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/MonadicInvariant01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:54:21,490 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:54:21,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:54:21,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:54:21,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:54:21,507 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:54:21,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:54:21,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:54:21,512 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:54:21,513 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:54:21,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:54:21,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:54:21,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:54:21,516 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:54:21,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:54:21,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:54:21,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:54:21,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:54:21,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:54:21,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:54:21,525 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:54:21,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:54:21,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:54:21,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:54:21,530 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:54:21,531 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:54:21,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:54:21,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:54:21,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:54:21,534 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:54:21,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:54:21,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:54:21,538 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 13:54:21,552 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:54:21,553 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:54:21,554 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:54:21,554 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:54:21,554 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:54:21,555 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:54:21,555 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:54:21,555 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:54:21,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:54:21,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:54:21,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:54:21,618 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:54:21,618 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:54:21,619 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/MonadicInvariant01.bpl [2018-07-23 13:54:21,619 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/MonadicInvariant01.bpl' [2018-07-23 13:54:21,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:54:21,676 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:54:21,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:54:21,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:54:21,677 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:54:21,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:54:21" (1/1) ... [2018-07-23 13:54:21,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:54:21" (1/1) ... [2018-07-23 13:54:21,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:54:21" (1/1) ... [2018-07-23 13:54:21,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:54:21" (1/1) ... [2018-07-23 13:54:21,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:54:21" (1/1) ... [2018-07-23 13:54:21,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:54:21" (1/1) ... [2018-07-23 13:54:21,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:54:21" (1/1) ... [2018-07-23 13:54:21,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:54:21,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:54:21,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:54:21,734 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:54:21,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:54:21" (1/1) ... [2018-07-23 13:54:21,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-23 13:54:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 13:54:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 13:54:21,918 INFO L258 CfgBuilder]: Using library mode [2018-07-23 13:54:21,919 INFO L202 PluginConnector]: Adding new model MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:54:21 BoogieIcfgContainer [2018-07-23 13:54:21,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:54:21,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:54:21,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:54:21,924 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:54:21,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:54:21" (1/2) ... [2018-07-23 13:54:21,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8d9c61 and model type MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:54:21, skipping insertion in model container [2018-07-23 13:54:21,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:54:21" (2/2) ... [2018-07-23 13:54:21,928 INFO L112 eAbstractionObserver]: Analyzing ICFG MonadicInvariant01.bpl [2018-07-23 13:54:21,938 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:54:21,946 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:54:21,994 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:54:21,995 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:54:21,995 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:54:21,995 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:54:21,996 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:54:21,996 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:54:21,996 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:54:21,996 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:54:21,997 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:54:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 13:54:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:54:22,021 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:22,022 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:54:22,022 INFO L414 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:22,028 INFO L82 PathProgramCache]: Analyzing trace with hash 29920, now seen corresponding path program 1 times [2018-07-23 13:54:22,035 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,137 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:54:22,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-23 13:54:22,140 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,141 INFO L185 omatonBuilderFactory]: Interpolants [8#true, 9#false, 10#(<= (+ main_offset 40000) main_length)] [2018-07-23 13:54:22,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,144 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:54:22,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:54:22,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:54:22,164 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 13:54:22,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:22,210 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:54:22,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:54:22,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 13:54:22,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:22,231 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:54:22,231 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 13:54:22,242 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 13:54:22,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 13:54:22,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-23 13:54:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-23 13:54:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-23 13:54:22,279 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 3 [2018-07-23 13:54:22,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:22,279 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-23 13:54:22,280 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:54:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-23 13:54:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 13:54:22,280 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:22,281 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-07-23 13:54:22,281 INFO L414 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:22,281 INFO L82 PathProgramCache]: Analyzing trace with hash 28754210, now seen corresponding path program 1 times [2018-07-23 13:54:22,282 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,311 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:22,312 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2018-07-23 13:54:22,312 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,312 INFO L185 omatonBuilderFactory]: Interpolants [41#true, 42#false, 43#(<= (+ main_offset 40000) main_length), 44#(<= (+ main_offset 39996) main_length)] [2018-07-23 13:54:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,315 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:54:22,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:54:22,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:54:22,316 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 4 states. [2018-07-23 13:54:22,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:22,340 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:54:22,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:54:22,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-07-23 13:54:22,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:22,343 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:54:22,343 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:54:22,344 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 13:54:22,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:54:22,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-23 13:54:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-23 13:54:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-07-23 13:54:22,348 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2018-07-23 13:54:22,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:22,349 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-07-23 13:54:22,349 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:54:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-07-23 13:54:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-23 13:54:22,350 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:22,350 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1] [2018-07-23 13:54:22,350 INFO L414 AbstractCegarLoop]: === Iteration 3 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:22,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1862993124, now seen corresponding path program 2 times [2018-07-23 13:54:22,351 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:22,411 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 13:54:22,411 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:22,411 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:54:22,412 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,412 INFO L185 omatonBuilderFactory]: Interpolants [80#false, 81#(<= (+ main_offset 40000) main_length), 82#(<= (+ main_offset 39996) main_length), 83#(<= (+ main_offset 39992) main_length), 79#true] [2018-07-23 13:54:22,412 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 13:54:22,413 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:54:22,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:54:22,413 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:54:22,414 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 5 states. [2018-07-23 13:54:22,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:22,438 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:54:22,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:54:22,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-07-23 13:54:22,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:22,440 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:54:22,440 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:54:22,441 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 13:54:22,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:54:22,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-07-23 13:54:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-07-23 13:54:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-07-23 13:54:22,445 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2018-07-23 13:54:22,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:22,445 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2018-07-23 13:54:22,445 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:54:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-07-23 13:54:22,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-23 13:54:22,446 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:22,446 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1] [2018-07-23 13:54:22,446 INFO L414 AbstractCegarLoop]: === Iteration 4 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:22,447 INFO L82 PathProgramCache]: Analyzing trace with hash -664969178, now seen corresponding path program 3 times [2018-07-23 13:54:22,447 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,502 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:22,502 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:54:22,502 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,503 INFO L185 omatonBuilderFactory]: Interpolants [128#(<= (+ main_offset 40000) main_length), 129#(<= (+ main_offset 39996) main_length), 130#(<= (+ main_offset 39992) main_length), 131#(<= (+ main_offset 39988) main_length), 126#true, 127#false] [2018-07-23 13:54:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,504 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:54:22,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:54:22,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:54:22,508 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 6 states. [2018-07-23 13:54:22,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:22,554 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:54:22,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:54:22,555 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-07-23 13:54:22,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:22,556 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:54:22,556 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 13:54:22,557 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 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 13:54:22,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 13:54:22,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 13:54:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 13:54:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-23 13:54:22,563 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2018-07-23 13:54:22,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:22,563 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-23 13:54:22,563 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:54:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-23 13:54:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 13:54:22,564 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:22,564 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1] [2018-07-23 13:54:22,564 INFO L414 AbstractCegarLoop]: === Iteration 5 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:22,565 INFO L82 PathProgramCache]: Analyzing trace with hash 914748136, now seen corresponding path program 4 times [2018-07-23 13:54:22,565 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,612 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:22,612 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:54:22,614 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,615 INFO L185 omatonBuilderFactory]: Interpolants [182#true, 183#false, 184#(<= (+ main_offset 40000) main_length), 185#(<= (+ main_offset 39996) main_length), 186#(<= (+ main_offset 39992) main_length), 187#(<= (+ main_offset 39988) main_length), 188#(<= (+ main_offset 39984) main_length)] [2018-07-23 13:54:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,616 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:54:22,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:54:22,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:54:22,619 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 7 states. [2018-07-23 13:54:22,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:22,644 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:54:22,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:54:22,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2018-07-23 13:54:22,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:22,645 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:54:22,645 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 13:54:22,646 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 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 13:54:22,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 13:54:22,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 13:54:22,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 13:54:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-23 13:54:22,651 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-07-23 13:54:22,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:22,651 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-23 13:54:22,651 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:54:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-23 13:54:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 13:54:22,652 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:22,652 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1] [2018-07-23 13:54:22,652 INFO L414 AbstractCegarLoop]: === Iteration 6 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:22,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1395335894, now seen corresponding path program 5 times [2018-07-23 13:54:22,653 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:22,697 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,697 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:22,698 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:54:22,698 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,698 INFO L185 omatonBuilderFactory]: Interpolants [247#true, 248#false, 249#(<= (+ main_offset 40000) main_length), 250#(<= (+ main_offset 39996) main_length), 251#(<= (+ main_offset 39992) main_length), 252#(<= (+ main_offset 39988) main_length), 253#(<= (+ main_offset 39984) main_length), 254#(<= (+ main_offset 39980) main_length)] [2018-07-23 13:54:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,699 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:54:22,699 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:54:22,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:54:22,700 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 8 states. [2018-07-23 13:54:22,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:22,726 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:54:22,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:54:22,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2018-07-23 13:54:22,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:22,729 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:54:22,729 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 13:54:22,731 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 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 13:54:22,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 13:54:22,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-23 13:54:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-23 13:54:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-23 13:54:22,739 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2018-07-23 13:54:22,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:22,740 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-23 13:54:22,740 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:54:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-23 13:54:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-23 13:54:22,741 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:22,741 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1] [2018-07-23 13:54:22,741 INFO L414 AbstractCegarLoop]: === Iteration 7 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:22,742 INFO L82 PathProgramCache]: Analyzing trace with hash -887996692, now seen corresponding path program 6 times [2018-07-23 13:54:22,742 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,814 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:22,814 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:54:22,814 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:22,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,815 INFO L185 omatonBuilderFactory]: Interpolants [321#true, 322#false, 323#(<= (+ main_offset 40000) main_length), 324#(<= (+ main_offset 39996) main_length), 325#(<= (+ main_offset 39992) main_length), 326#(<= (+ main_offset 39988) main_length), 327#(<= (+ main_offset 39984) main_length), 328#(<= (+ main_offset 39980) main_length), 329#(<= (+ main_offset 39976) main_length)] [2018-07-23 13:54:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,815 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:54:22,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:54:22,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:54:22,817 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 9 states. [2018-07-23 13:54:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:22,840 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:54:22,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:54:22,841 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-07-23 13:54:22,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:22,842 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:54:22,842 INFO L226 Difference]: Without dead ends: 18 [2018-07-23 13:54:22,843 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:54:22,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-23 13:54:22,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-23 13:54:22,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-23 13:54:22,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-07-23 13:54:22,848 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2018-07-23 13:54:22,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:22,849 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-07-23 13:54:22,849 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:54:22,849 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-07-23 13:54:22,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-23 13:54:22,850 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:22,850 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1] [2018-07-23 13:54:22,850 INFO L414 AbstractCegarLoop]: === Iteration 8 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:22,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1333671982, now seen corresponding path program 7 times [2018-07-23 13:54:22,851 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,899 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:22,899 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:54:22,900 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,900 INFO L185 omatonBuilderFactory]: Interpolants [404#true, 405#false, 406#(<= (+ main_offset 40000) main_length), 407#(<= (+ main_offset 39996) main_length), 408#(<= (+ main_offset 39992) main_length), 409#(<= (+ main_offset 39988) main_length), 410#(<= (+ main_offset 39984) main_length), 411#(<= (+ main_offset 39980) main_length), 412#(<= (+ main_offset 39976) main_length), 413#(<= (+ main_offset 39972) main_length)] [2018-07-23 13:54:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,901 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:54:22,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:54:22,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:54:22,902 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 10 states. [2018-07-23 13:54:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:22,941 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:54:22,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:54:22,941 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2018-07-23 13:54:22,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:22,945 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:54:22,945 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 13:54:22,946 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 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 13:54:22,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 13:54:22,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-07-23 13:54:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-07-23 13:54:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-07-23 13:54:22,955 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2018-07-23 13:54:22,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:22,955 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-07-23 13:54:22,956 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:54:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-07-23 13:54:22,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-07-23 13:54:22,961 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:22,962 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1] [2018-07-23 13:54:22,962 INFO L414 AbstractCegarLoop]: === Iteration 9 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:22,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1758521584, now seen corresponding path program 8 times [2018-07-23 13:54:22,962 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,062 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:23,063 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:54:23,063 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,066 INFO L185 omatonBuilderFactory]: Interpolants [496#true, 497#false, 498#(<= (+ main_offset 40000) main_length), 499#(<= (+ main_offset 39996) main_length), 500#(<= (+ main_offset 39992) main_length), 501#(<= (+ main_offset 39988) main_length), 502#(<= (+ main_offset 39984) main_length), 503#(<= (+ main_offset 39980) main_length), 504#(<= (+ main_offset 39976) main_length), 505#(<= (+ main_offset 39972) main_length), 506#(<= (+ main_offset 39968) main_length)] [2018-07-23 13:54:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,067 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:54:23,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:54:23,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:54:23,068 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 11 states. [2018-07-23 13:54:23,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:23,116 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:54:23,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:54:23,120 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2018-07-23 13:54:23,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:23,121 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:54:23,121 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 13:54:23,122 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 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 13:54:23,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 13:54:23,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-07-23 13:54:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-07-23 13:54:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-07-23 13:54:23,137 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 19 [2018-07-23 13:54:23,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:23,137 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-07-23 13:54:23,137 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:54:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-07-23 13:54:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-23 13:54:23,138 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:23,139 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1] [2018-07-23 13:54:23,139 INFO L414 AbstractCegarLoop]: === Iteration 10 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:23,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2017095986, now seen corresponding path program 9 times [2018-07-23 13:54:23,141 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,208 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:23,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:54:23,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,212 INFO L185 omatonBuilderFactory]: Interpolants [608#(<= (+ main_offset 39964) main_length), 597#true, 598#false, 599#(<= (+ main_offset 40000) main_length), 600#(<= (+ main_offset 39996) main_length), 601#(<= (+ main_offset 39992) main_length), 602#(<= (+ main_offset 39988) main_length), 603#(<= (+ main_offset 39984) main_length), 604#(<= (+ main_offset 39980) main_length), 605#(<= (+ main_offset 39976) main_length), 606#(<= (+ main_offset 39972) main_length), 607#(<= (+ main_offset 39968) main_length)] [2018-07-23 13:54:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,212 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:54:23,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:54:23,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:54:23,213 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 12 states. [2018-07-23 13:54:23,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:23,256 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:54:23,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:54:23,257 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 21 [2018-07-23 13:54:23,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:23,258 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:54:23,258 INFO L226 Difference]: Without dead ends: 24 [2018-07-23 13:54:23,258 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 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 13:54:23,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-07-23 13:54:23,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-07-23 13:54:23,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-07-23 13:54:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-07-23 13:54:23,273 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 21 [2018-07-23 13:54:23,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:23,274 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-07-23 13:54:23,274 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:54:23,274 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-07-23 13:54:23,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-23 13:54:23,275 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:23,275 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1] [2018-07-23 13:54:23,277 INFO L414 AbstractCegarLoop]: === Iteration 11 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:23,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1398993140, now seen corresponding path program 10 times [2018-07-23 13:54:23,277 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:23,345 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:54:23,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,346 INFO L185 omatonBuilderFactory]: Interpolants [707#true, 708#false, 709#(<= (+ main_offset 40000) main_length), 710#(<= (+ main_offset 39996) main_length), 711#(<= (+ main_offset 39992) main_length), 712#(<= (+ main_offset 39988) main_length), 713#(<= (+ main_offset 39984) main_length), 714#(<= (+ main_offset 39980) main_length), 715#(<= (+ main_offset 39976) main_length), 716#(<= (+ main_offset 39972) main_length), 717#(<= (+ main_offset 39968) main_length), 718#(<= (+ main_offset 39964) main_length), 719#(<= (+ main_offset 39960) main_length)] [2018-07-23 13:54:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,347 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:54:23,349 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:54:23,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:54:23,350 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 13 states. [2018-07-23 13:54:23,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:23,383 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:54:23,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:54:23,383 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2018-07-23 13:54:23,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:23,384 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:54:23,384 INFO L226 Difference]: Without dead ends: 26 [2018-07-23 13:54:23,385 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 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 13:54:23,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-07-23 13:54:23,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-07-23 13:54:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-07-23 13:54:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-07-23 13:54:23,397 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 23 [2018-07-23 13:54:23,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:23,397 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-07-23 13:54:23,397 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:54:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-07-23 13:54:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-07-23 13:54:23,398 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:23,399 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1] [2018-07-23 13:54:23,399 INFO L414 AbstractCegarLoop]: === Iteration 12 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:23,399 INFO L82 PathProgramCache]: Analyzing trace with hash 107644982, now seen corresponding path program 11 times [2018-07-23 13:54:23,399 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,480 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:23,480 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:54:23,480 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,481 INFO L185 omatonBuilderFactory]: Interpolants [832#(<= (+ main_offset 39984) main_length), 833#(<= (+ main_offset 39980) main_length), 834#(<= (+ main_offset 39976) main_length), 835#(<= (+ main_offset 39972) main_length), 836#(<= (+ main_offset 39968) main_length), 837#(<= (+ main_offset 39964) main_length), 838#(<= (+ main_offset 39960) main_length), 839#(<= (+ main_offset 39956) main_length), 826#true, 827#false, 828#(<= (+ main_offset 40000) main_length), 829#(<= (+ main_offset 39996) main_length), 830#(<= (+ main_offset 39992) main_length), 831#(<= (+ main_offset 39988) main_length)] [2018-07-23 13:54:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,482 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:54:23,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:54:23,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:54:23,483 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 14 states. [2018-07-23 13:54:23,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:23,521 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:54:23,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:54:23,522 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 25 [2018-07-23 13:54:23,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:23,525 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:54:23,525 INFO L226 Difference]: Without dead ends: 28 [2018-07-23 13:54:23,526 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 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 13:54:23,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-07-23 13:54:23,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-07-23 13:54:23,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-07-23 13:54:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-07-23 13:54:23,536 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 25 [2018-07-23 13:54:23,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:23,536 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-07-23 13:54:23,537 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:54:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-07-23 13:54:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-23 13:54:23,542 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:23,542 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1] [2018-07-23 13:54:23,544 INFO L414 AbstractCegarLoop]: === Iteration 13 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:23,544 INFO L82 PathProgramCache]: Analyzing trace with hash 367613688, now seen corresponding path program 12 times [2018-07-23 13:54:23,545 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,608 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:23,608 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:54:23,609 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,610 INFO L185 omatonBuilderFactory]: Interpolants [960#(<= (+ main_offset 39984) main_length), 961#(<= (+ main_offset 39980) main_length), 962#(<= (+ main_offset 39976) main_length), 963#(<= (+ main_offset 39972) main_length), 964#(<= (+ main_offset 39968) main_length), 965#(<= (+ main_offset 39964) main_length), 966#(<= (+ main_offset 39960) main_length), 967#(<= (+ main_offset 39956) main_length), 968#(<= (+ main_offset 39952) main_length), 954#true, 955#false, 956#(<= (+ main_offset 40000) main_length), 957#(<= (+ main_offset 39996) main_length), 958#(<= (+ main_offset 39992) main_length), 959#(<= (+ main_offset 39988) main_length)] [2018-07-23 13:54:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,610 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:54:23,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:54:23,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:54:23,612 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 15 states. [2018-07-23 13:54:23,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:23,640 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:54:23,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:54:23,640 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2018-07-23 13:54:23,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:23,641 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:54:23,641 INFO L226 Difference]: Without dead ends: 30 [2018-07-23 13:54:23,642 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 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 13:54:23,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-07-23 13:54:23,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-07-23 13:54:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-07-23 13:54:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-07-23 13:54:23,652 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 27 [2018-07-23 13:54:23,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:23,652 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-07-23 13:54:23,652 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:54:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-07-23 13:54:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-07-23 13:54:23,654 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:23,654 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1] [2018-07-23 13:54:23,654 INFO L414 AbstractCegarLoop]: === Iteration 14 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:23,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1089436986, now seen corresponding path program 13 times [2018-07-23 13:54:23,663 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,743 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:23,743 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:54:23,743 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,744 INFO L185 omatonBuilderFactory]: Interpolants [1091#true, 1092#false, 1093#(<= (+ main_offset 40000) main_length), 1094#(<= (+ main_offset 39996) main_length), 1095#(<= (+ main_offset 39992) main_length), 1096#(<= (+ main_offset 39988) main_length), 1097#(<= (+ main_offset 39984) main_length), 1098#(<= (+ main_offset 39980) main_length), 1099#(<= (+ main_offset 39976) main_length), 1100#(<= (+ main_offset 39972) main_length), 1101#(<= (+ main_offset 39968) main_length), 1102#(<= (+ main_offset 39964) main_length), 1103#(<= (+ main_offset 39960) main_length), 1104#(<= (+ main_offset 39956) main_length), 1105#(<= (+ main_offset 39952) main_length), 1106#(<= (+ main_offset 39948) main_length)] [2018-07-23 13:54:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,745 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:54:23,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:54:23,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:54:23,746 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 16 states. [2018-07-23 13:54:23,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:23,779 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:54:23,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:54:23,779 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 29 [2018-07-23 13:54:23,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:23,780 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:54:23,780 INFO L226 Difference]: Without dead ends: 32 [2018-07-23 13:54:23,781 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 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 13:54:23,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-23 13:54:23,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-07-23 13:54:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-23 13:54:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-07-23 13:54:23,791 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 29 [2018-07-23 13:54:23,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:23,791 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-07-23 13:54:23,792 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:54:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-07-23 13:54:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-23 13:54:23,793 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:23,794 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1] [2018-07-23 13:54:23,794 INFO L414 AbstractCegarLoop]: === Iteration 15 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:23,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1023075588, now seen corresponding path program 14 times [2018-07-23 13:54:23,794 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:23,875 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 13:54:23,875 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:23,875 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:54:23,876 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:23,877 INFO L185 omatonBuilderFactory]: Interpolants [1248#(<= (+ main_offset 39964) main_length), 1249#(<= (+ main_offset 39960) main_length), 1250#(<= (+ main_offset 39956) main_length), 1251#(<= (+ main_offset 39952) main_length), 1252#(<= (+ main_offset 39948) main_length), 1253#(<= (+ main_offset 39944) main_length), 1237#true, 1238#false, 1239#(<= (+ main_offset 40000) main_length), 1240#(<= (+ main_offset 39996) main_length), 1241#(<= (+ main_offset 39992) main_length), 1242#(<= (+ main_offset 39988) main_length), 1243#(<= (+ main_offset 39984) main_length), 1244#(<= (+ main_offset 39980) main_length), 1245#(<= (+ main_offset 39976) main_length), 1246#(<= (+ main_offset 39972) main_length), 1247#(<= (+ main_offset 39968) main_length)] [2018-07-23 13:54:23,877 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 13:54:23,878 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:54:23,878 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:54:23,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:54:23,879 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 17 states. [2018-07-23 13:54:23,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:23,917 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:54:23,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:54:23,918 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2018-07-23 13:54:23,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:23,921 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:54:23,921 INFO L226 Difference]: Without dead ends: 34 [2018-07-23 13:54:23,922 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:54:23,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-07-23 13:54:23,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-07-23 13:54:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-07-23 13:54:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-07-23 13:54:23,930 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 31 [2018-07-23 13:54:23,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:23,930 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-07-23 13:54:23,931 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:54:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-07-23 13:54:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-07-23 13:54:23,935 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:23,935 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1] [2018-07-23 13:54:23,935 INFO L414 AbstractCegarLoop]: === Iteration 16 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:23,936 INFO L82 PathProgramCache]: Analyzing trace with hash 371871806, now seen corresponding path program 15 times [2018-07-23 13:54:23,936 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:24,035 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,036 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:24,036 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:54:24,040 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,041 INFO L185 omatonBuilderFactory]: Interpolants [1408#(<= (+ main_offset 39944) main_length), 1409#(<= (+ main_offset 39940) main_length), 1392#true, 1393#false, 1394#(<= (+ main_offset 40000) main_length), 1395#(<= (+ main_offset 39996) main_length), 1396#(<= (+ main_offset 39992) main_length), 1397#(<= (+ main_offset 39988) main_length), 1398#(<= (+ main_offset 39984) main_length), 1399#(<= (+ main_offset 39980) main_length), 1400#(<= (+ main_offset 39976) main_length), 1401#(<= (+ main_offset 39972) main_length), 1402#(<= (+ main_offset 39968) main_length), 1403#(<= (+ main_offset 39964) main_length), 1404#(<= (+ main_offset 39960) main_length), 1405#(<= (+ main_offset 39956) main_length), 1406#(<= (+ main_offset 39952) main_length), 1407#(<= (+ main_offset 39948) main_length)] [2018-07-23 13:54:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,043 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:54:24,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:54:24,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:54:24,044 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 18 states. [2018-07-23 13:54:24,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:24,075 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:54:24,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:54:24,076 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 33 [2018-07-23 13:54:24,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:24,077 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:54:24,077 INFO L226 Difference]: Without dead ends: 36 [2018-07-23 13:54:24,078 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:54:24,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-23 13:54:24,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-07-23 13:54:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-07-23 13:54:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-07-23 13:54:24,097 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 33 [2018-07-23 13:54:24,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:24,097 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-07-23 13:54:24,097 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:54:24,098 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-07-23 13:54:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-23 13:54:24,098 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:24,099 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1] [2018-07-23 13:54:24,099 INFO L414 AbstractCegarLoop]: === Iteration 17 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:24,100 INFO L82 PathProgramCache]: Analyzing trace with hash 886521088, now seen corresponding path program 16 times [2018-07-23 13:54:24,100 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,189 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:24,189 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:54:24,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:24,190 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 13:54:24,190 INFO L185 omatonBuilderFactory]: Interpolants [1568#(<= (+ main_offset 39960) main_length), 1569#(<= (+ main_offset 39956) main_length), 1570#(<= (+ main_offset 39952) main_length), 1571#(<= (+ main_offset 39948) main_length), 1572#(<= (+ main_offset 39944) main_length), 1573#(<= (+ main_offset 39940) main_length), 1574#(<= (+ main_offset 39936) main_length), 1556#true, 1557#false, 1558#(<= (+ main_offset 40000) main_length), 1559#(<= (+ main_offset 39996) main_length), 1560#(<= (+ main_offset 39992) main_length), 1561#(<= (+ main_offset 39988) main_length), 1562#(<= (+ main_offset 39984) main_length), 1563#(<= (+ main_offset 39980) main_length), 1564#(<= (+ main_offset 39976) main_length), 1565#(<= (+ main_offset 39972) main_length), 1566#(<= (+ main_offset 39968) main_length), 1567#(<= (+ main_offset 39964) main_length)] [2018-07-23 13:54:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,191 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:54:24,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:54:24,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:54:24,193 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 19 states. [2018-07-23 13:54:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:24,224 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:54:24,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:54:24,224 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2018-07-23 13:54:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:24,225 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:54:24,225 INFO L226 Difference]: Without dead ends: 38 [2018-07-23 13:54:24,226 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:54:24,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-23 13:54:24,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-07-23 13:54:24,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-07-23 13:54:24,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-07-23 13:54:24,234 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 35 [2018-07-23 13:54:24,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:24,234 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-07-23 13:54:24,234 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:54:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-07-23 13:54:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-07-23 13:54:24,235 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:24,235 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1] [2018-07-23 13:54:24,236 INFO L414 AbstractCegarLoop]: === Iteration 18 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:24,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1543242050, now seen corresponding path program 17 times [2018-07-23 13:54:24,236 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,336 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:24,336 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:54:24,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,337 INFO L185 omatonBuilderFactory]: Interpolants [1729#true, 1730#false, 1731#(<= (+ main_offset 40000) main_length), 1732#(<= (+ main_offset 39996) main_length), 1733#(<= (+ main_offset 39992) main_length), 1734#(<= (+ main_offset 39988) main_length), 1735#(<= (+ main_offset 39984) main_length), 1736#(<= (+ main_offset 39980) main_length), 1737#(<= (+ main_offset 39976) main_length), 1738#(<= (+ main_offset 39972) main_length), 1739#(<= (+ main_offset 39968) main_length), 1740#(<= (+ main_offset 39964) main_length), 1741#(<= (+ main_offset 39960) main_length), 1742#(<= (+ main_offset 39956) main_length), 1743#(<= (+ main_offset 39952) main_length), 1744#(<= (+ main_offset 39948) main_length), 1745#(<= (+ main_offset 39944) main_length), 1746#(<= (+ main_offset 39940) main_length), 1747#(<= (+ main_offset 39936) main_length), 1748#(<= (+ main_offset 39932) main_length)] [2018-07-23 13:54:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,338 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:54:24,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:54:24,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:54:24,339 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 20 states. [2018-07-23 13:54:24,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:24,373 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:54:24,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:54:24,374 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 37 [2018-07-23 13:54:24,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:24,377 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:54:24,377 INFO L226 Difference]: Without dead ends: 40 [2018-07-23 13:54:24,378 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:54:24,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-07-23 13:54:24,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-07-23 13:54:24,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-07-23 13:54:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-07-23 13:54:24,390 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 37 [2018-07-23 13:54:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:24,390 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-07-23 13:54:24,390 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:54:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-07-23 13:54:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-07-23 13:54:24,392 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:24,392 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1] [2018-07-23 13:54:24,392 INFO L414 AbstractCegarLoop]: === Iteration 19 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:24,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1291894020, now seen corresponding path program 18 times [2018-07-23 13:54:24,394 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,527 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:24,528 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:54:24,528 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:24,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,529 INFO L185 omatonBuilderFactory]: Interpolants [1920#(<= (+ main_offset 39972) main_length), 1921#(<= (+ main_offset 39968) main_length), 1922#(<= (+ main_offset 39964) main_length), 1923#(<= (+ main_offset 39960) main_length), 1924#(<= (+ main_offset 39956) main_length), 1925#(<= (+ main_offset 39952) main_length), 1926#(<= (+ main_offset 39948) main_length), 1927#(<= (+ main_offset 39944) main_length), 1928#(<= (+ main_offset 39940) main_length), 1929#(<= (+ main_offset 39936) main_length), 1930#(<= (+ main_offset 39932) main_length), 1931#(<= (+ main_offset 39928) main_length), 1911#true, 1912#false, 1913#(<= (+ main_offset 40000) main_length), 1914#(<= (+ main_offset 39996) main_length), 1915#(<= (+ main_offset 39992) main_length), 1916#(<= (+ main_offset 39988) main_length), 1917#(<= (+ main_offset 39984) main_length), 1918#(<= (+ main_offset 39980) main_length), 1919#(<= (+ main_offset 39976) main_length)] [2018-07-23 13:54:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,530 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:54:24,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:54:24,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:54:24,531 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 21 states. [2018-07-23 13:54:24,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:24,560 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:54:24,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:54:24,560 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2018-07-23 13:54:24,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:24,562 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:54:24,562 INFO L226 Difference]: Without dead ends: 42 [2018-07-23 13:54:24,563 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:54:24,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-07-23 13:54:24,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-07-23 13:54:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-07-23 13:54:24,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-07-23 13:54:24,570 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 39 [2018-07-23 13:54:24,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:24,571 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-07-23 13:54:24,571 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:54:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-07-23 13:54:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-07-23 13:54:24,572 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:24,572 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1] [2018-07-23 13:54:24,572 INFO L414 AbstractCegarLoop]: === Iteration 20 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:24,573 INFO L82 PathProgramCache]: Analyzing trace with hash 264605766, now seen corresponding path program 19 times [2018-07-23 13:54:24,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,683 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:24,683 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:54:24,683 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,684 INFO L185 omatonBuilderFactory]: Interpolants [2112#(<= (+ main_offset 39968) main_length), 2113#(<= (+ main_offset 39964) main_length), 2114#(<= (+ main_offset 39960) main_length), 2115#(<= (+ main_offset 39956) main_length), 2116#(<= (+ main_offset 39952) main_length), 2117#(<= (+ main_offset 39948) main_length), 2118#(<= (+ main_offset 39944) main_length), 2119#(<= (+ main_offset 39940) main_length), 2120#(<= (+ main_offset 39936) main_length), 2121#(<= (+ main_offset 39932) main_length), 2122#(<= (+ main_offset 39928) main_length), 2123#(<= (+ main_offset 39924) main_length), 2102#true, 2103#false, 2104#(<= (+ main_offset 40000) main_length), 2105#(<= (+ main_offset 39996) main_length), 2106#(<= (+ main_offset 39992) main_length), 2107#(<= (+ main_offset 39988) main_length), 2108#(<= (+ main_offset 39984) main_length), 2109#(<= (+ main_offset 39980) main_length), 2110#(<= (+ main_offset 39976) main_length), 2111#(<= (+ main_offset 39972) main_length)] [2018-07-23 13:54:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,685 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:54:24,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:54:24,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:54:24,686 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 22 states. [2018-07-23 13:54:24,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:24,710 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:54:24,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:54:24,711 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 41 [2018-07-23 13:54:24,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:24,711 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:54:24,712 INFO L226 Difference]: Without dead ends: 44 [2018-07-23 13:54:24,712 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:54:24,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-23 13:54:24,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-07-23 13:54:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-23 13:54:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-07-23 13:54:24,718 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 41 [2018-07-23 13:54:24,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:24,718 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-07-23 13:54:24,718 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:54:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-07-23 13:54:24,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 13:54:24,719 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:24,719 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1] [2018-07-23 13:54:24,720 INFO L414 AbstractCegarLoop]: === Iteration 21 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:24,720 INFO L82 PathProgramCache]: Analyzing trace with hash 883071752, now seen corresponding path program 20 times [2018-07-23 13:54:24,720 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,826 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:24,826 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:54:24,827 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,827 INFO L185 omatonBuilderFactory]: Interpolants [2304#(<= (+ main_offset 40000) main_length), 2305#(<= (+ main_offset 39996) main_length), 2306#(<= (+ main_offset 39992) main_length), 2307#(<= (+ main_offset 39988) main_length), 2308#(<= (+ main_offset 39984) main_length), 2309#(<= (+ main_offset 39980) main_length), 2310#(<= (+ main_offset 39976) main_length), 2311#(<= (+ main_offset 39972) main_length), 2312#(<= (+ main_offset 39968) main_length), 2313#(<= (+ main_offset 39964) main_length), 2314#(<= (+ main_offset 39960) main_length), 2315#(<= (+ main_offset 39956) main_length), 2316#(<= (+ main_offset 39952) main_length), 2317#(<= (+ main_offset 39948) main_length), 2318#(<= (+ main_offset 39944) main_length), 2319#(<= (+ main_offset 39940) main_length), 2320#(<= (+ main_offset 39936) main_length), 2321#(<= (+ main_offset 39932) main_length), 2322#(<= (+ main_offset 39928) main_length), 2323#(<= (+ main_offset 39924) main_length), 2324#(<= (+ main_offset 39920) main_length), 2302#true, 2303#false] [2018-07-23 13:54:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,829 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:54:24,830 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:54:24,830 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:54:24,831 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 23 states. [2018-07-23 13:54:24,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:24,860 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:54:24,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:54:24,861 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2018-07-23 13:54:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:24,862 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:54:24,862 INFO L226 Difference]: Without dead ends: 46 [2018-07-23 13:54:24,863 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:54:24,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-07-23 13:54:24,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-07-23 13:54:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-07-23 13:54:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-07-23 13:54:24,873 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 43 [2018-07-23 13:54:24,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:24,873 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-07-23 13:54:24,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:54:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-07-23 13:54:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-07-23 13:54:24,874 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:24,877 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1] [2018-07-23 13:54:24,877 INFO L414 AbstractCegarLoop]: === Iteration 22 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:24,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1771569846, now seen corresponding path program 21 times [2018-07-23 13:54:24,878 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,994 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:24,995 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:54:24,995 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:24,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,996 INFO L185 omatonBuilderFactory]: Interpolants [2528#(<= (+ main_offset 39940) main_length), 2529#(<= (+ main_offset 39936) main_length), 2530#(<= (+ main_offset 39932) main_length), 2531#(<= (+ main_offset 39928) main_length), 2532#(<= (+ main_offset 39924) main_length), 2533#(<= (+ main_offset 39920) main_length), 2534#(<= (+ main_offset 39916) main_length), 2511#true, 2512#false, 2513#(<= (+ main_offset 40000) main_length), 2514#(<= (+ main_offset 39996) main_length), 2515#(<= (+ main_offset 39992) main_length), 2516#(<= (+ main_offset 39988) main_length), 2517#(<= (+ main_offset 39984) main_length), 2518#(<= (+ main_offset 39980) main_length), 2519#(<= (+ main_offset 39976) main_length), 2520#(<= (+ main_offset 39972) main_length), 2521#(<= (+ main_offset 39968) main_length), 2522#(<= (+ main_offset 39964) main_length), 2523#(<= (+ main_offset 39960) main_length), 2524#(<= (+ main_offset 39956) main_length), 2525#(<= (+ main_offset 39952) main_length), 2526#(<= (+ main_offset 39948) main_length), 2527#(<= (+ main_offset 39944) main_length)] [2018-07-23 13:54:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:24,997 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:54:24,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:54:24,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:54:24,998 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 24 states. [2018-07-23 13:54:25,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:25,025 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:54:25,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:54:25,026 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 45 [2018-07-23 13:54:25,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:25,028 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:54:25,028 INFO L226 Difference]: Without dead ends: 48 [2018-07-23 13:54:25,029 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:54:25,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-07-23 13:54:25,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-07-23 13:54:25,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-07-23 13:54:25,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-07-23 13:54:25,037 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 45 [2018-07-23 13:54:25,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:25,037 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-07-23 13:54:25,037 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:54:25,037 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-07-23 13:54:25,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-07-23 13:54:25,038 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:25,038 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1] [2018-07-23 13:54:25,039 INFO L414 AbstractCegarLoop]: === Iteration 23 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:25,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1671571700, now seen corresponding path program 22 times [2018-07-23 13:54:25,039 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,155 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:25,155 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:54:25,156 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:25,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,156 INFO L185 omatonBuilderFactory]: Interpolants [2752#(<= (+ main_offset 39916) main_length), 2753#(<= (+ main_offset 39912) main_length), 2729#true, 2730#false, 2731#(<= (+ main_offset 40000) main_length), 2732#(<= (+ main_offset 39996) main_length), 2733#(<= (+ main_offset 39992) main_length), 2734#(<= (+ main_offset 39988) main_length), 2735#(<= (+ main_offset 39984) main_length), 2736#(<= (+ main_offset 39980) main_length), 2737#(<= (+ main_offset 39976) main_length), 2738#(<= (+ main_offset 39972) main_length), 2739#(<= (+ main_offset 39968) main_length), 2740#(<= (+ main_offset 39964) main_length), 2741#(<= (+ main_offset 39960) main_length), 2742#(<= (+ main_offset 39956) main_length), 2743#(<= (+ main_offset 39952) main_length), 2744#(<= (+ main_offset 39948) main_length), 2745#(<= (+ main_offset 39944) main_length), 2746#(<= (+ main_offset 39940) main_length), 2747#(<= (+ main_offset 39936) main_length), 2748#(<= (+ main_offset 39932) main_length), 2749#(<= (+ main_offset 39928) main_length), 2750#(<= (+ main_offset 39924) main_length), 2751#(<= (+ main_offset 39920) main_length)] [2018-07-23 13:54:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,160 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:54:25,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:54:25,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:54:25,161 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 25 states. [2018-07-23 13:54:25,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:25,193 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:54:25,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:54:25,194 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2018-07-23 13:54:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:25,194 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:54:25,194 INFO L226 Difference]: Without dead ends: 50 [2018-07-23 13:54:25,195 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:54:25,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-07-23 13:54:25,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-07-23 13:54:25,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-07-23 13:54:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-07-23 13:54:25,209 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 47 [2018-07-23 13:54:25,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:25,209 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-07-23 13:54:25,209 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:54:25,209 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-07-23 13:54:25,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-23 13:54:25,210 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:25,210 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1] [2018-07-23 13:54:25,211 INFO L414 AbstractCegarLoop]: === Iteration 24 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:25,211 INFO L82 PathProgramCache]: Analyzing trace with hash -62633906, now seen corresponding path program 23 times [2018-07-23 13:54:25,211 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,346 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:25,346 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:54:25,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,347 INFO L185 omatonBuilderFactory]: Interpolants [2956#true, 2957#false, 2958#(<= (+ main_offset 40000) main_length), 2959#(<= (+ main_offset 39996) main_length), 2960#(<= (+ main_offset 39992) main_length), 2961#(<= (+ main_offset 39988) main_length), 2962#(<= (+ main_offset 39984) main_length), 2963#(<= (+ main_offset 39980) main_length), 2964#(<= (+ main_offset 39976) main_length), 2965#(<= (+ main_offset 39972) main_length), 2966#(<= (+ main_offset 39968) main_length), 2967#(<= (+ main_offset 39964) main_length), 2968#(<= (+ main_offset 39960) main_length), 2969#(<= (+ main_offset 39956) main_length), 2970#(<= (+ main_offset 39952) main_length), 2971#(<= (+ main_offset 39948) main_length), 2972#(<= (+ main_offset 39944) main_length), 2973#(<= (+ main_offset 39940) main_length), 2974#(<= (+ main_offset 39936) main_length), 2975#(<= (+ main_offset 39932) main_length), 2976#(<= (+ main_offset 39928) main_length), 2977#(<= (+ main_offset 39924) main_length), 2978#(<= (+ main_offset 39920) main_length), 2979#(<= (+ main_offset 39916) main_length), 2980#(<= (+ main_offset 39912) main_length), 2981#(<= (+ main_offset 39908) main_length)] [2018-07-23 13:54:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,348 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:54:25,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:54:25,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:54:25,349 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 26 states. [2018-07-23 13:54:25,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:25,382 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:54:25,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:54:25,383 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 49 [2018-07-23 13:54:25,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:25,383 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:54:25,383 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 13:54:25,384 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:54:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 13:54:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-07-23 13:54:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-07-23 13:54:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-07-23 13:54:25,389 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 49 [2018-07-23 13:54:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:25,390 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-07-23 13:54:25,390 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:54:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-07-23 13:54:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-07-23 13:54:25,391 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:25,391 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1] [2018-07-23 13:54:25,391 INFO L414 AbstractCegarLoop]: === Iteration 25 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:25,392 INFO L82 PathProgramCache]: Analyzing trace with hash -61640432, now seen corresponding path program 24 times [2018-07-23 13:54:25,392 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,518 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:25,518 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:54:25,518 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,519 INFO L185 omatonBuilderFactory]: Interpolants [3200#(<= (+ main_offset 39976) main_length), 3201#(<= (+ main_offset 39972) main_length), 3202#(<= (+ main_offset 39968) main_length), 3203#(<= (+ main_offset 39964) main_length), 3204#(<= (+ main_offset 39960) main_length), 3205#(<= (+ main_offset 39956) main_length), 3206#(<= (+ main_offset 39952) main_length), 3207#(<= (+ main_offset 39948) main_length), 3208#(<= (+ main_offset 39944) main_length), 3209#(<= (+ main_offset 39940) main_length), 3210#(<= (+ main_offset 39936) main_length), 3211#(<= (+ main_offset 39932) main_length), 3212#(<= (+ main_offset 39928) main_length), 3213#(<= (+ main_offset 39924) main_length), 3214#(<= (+ main_offset 39920) main_length), 3215#(<= (+ main_offset 39916) main_length), 3216#(<= (+ main_offset 39912) main_length), 3217#(<= (+ main_offset 39908) main_length), 3218#(<= (+ main_offset 39904) main_length), 3192#true, 3193#false, 3194#(<= (+ main_offset 40000) main_length), 3195#(<= (+ main_offset 39996) main_length), 3196#(<= (+ main_offset 39992) main_length), 3197#(<= (+ main_offset 39988) main_length), 3198#(<= (+ main_offset 39984) main_length), 3199#(<= (+ main_offset 39980) main_length)] [2018-07-23 13:54:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,520 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:54:25,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:54:25,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:54:25,521 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 27 states. [2018-07-23 13:54:25,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:25,559 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:54:25,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:54:25,559 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51 [2018-07-23 13:54:25,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:25,560 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:54:25,560 INFO L226 Difference]: Without dead ends: 54 [2018-07-23 13:54:25,561 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:54:25,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-07-23 13:54:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-07-23 13:54:25,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-07-23 13:54:25,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-07-23 13:54:25,565 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 51 [2018-07-23 13:54:25,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:25,566 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-07-23 13:54:25,566 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:54:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-07-23 13:54:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-23 13:54:25,567 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:25,567 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1] [2018-07-23 13:54:25,567 INFO L414 AbstractCegarLoop]: === Iteration 26 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:25,567 INFO L82 PathProgramCache]: Analyzing trace with hash 893088082, now seen corresponding path program 25 times [2018-07-23 13:54:25,567 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,704 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:25,704 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:54:25,704 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,705 INFO L185 omatonBuilderFactory]: Interpolants [3456#(<= (+ main_offset 39932) main_length), 3457#(<= (+ main_offset 39928) main_length), 3458#(<= (+ main_offset 39924) main_length), 3459#(<= (+ main_offset 39920) main_length), 3460#(<= (+ main_offset 39916) main_length), 3461#(<= (+ main_offset 39912) main_length), 3462#(<= (+ main_offset 39908) main_length), 3463#(<= (+ main_offset 39904) main_length), 3464#(<= (+ main_offset 39900) main_length), 3437#true, 3438#false, 3439#(<= (+ main_offset 40000) main_length), 3440#(<= (+ main_offset 39996) main_length), 3441#(<= (+ main_offset 39992) main_length), 3442#(<= (+ main_offset 39988) main_length), 3443#(<= (+ main_offset 39984) main_length), 3444#(<= (+ main_offset 39980) main_length), 3445#(<= (+ main_offset 39976) main_length), 3446#(<= (+ main_offset 39972) main_length), 3447#(<= (+ main_offset 39968) main_length), 3448#(<= (+ main_offset 39964) main_length), 3449#(<= (+ main_offset 39960) main_length), 3450#(<= (+ main_offset 39956) main_length), 3451#(<= (+ main_offset 39952) main_length), 3452#(<= (+ main_offset 39948) main_length), 3453#(<= (+ main_offset 39944) main_length), 3454#(<= (+ main_offset 39940) main_length), 3455#(<= (+ main_offset 39936) main_length)] [2018-07-23 13:54:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,706 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:54:25,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:54:25,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:54:25,707 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 28 states. [2018-07-23 13:54:25,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:25,741 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:54:25,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:54:25,741 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 53 [2018-07-23 13:54:25,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:25,742 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:54:25,742 INFO L226 Difference]: Without dead ends: 56 [2018-07-23 13:54:25,743 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:54:25,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-23 13:54:25,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-07-23 13:54:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-07-23 13:54:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2018-07-23 13:54:25,748 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 53 [2018-07-23 13:54:25,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:25,748 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2018-07-23 13:54:25,748 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:54:25,748 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2018-07-23 13:54:25,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-23 13:54:25,749 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:25,749 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1] [2018-07-23 13:54:25,750 INFO L414 AbstractCegarLoop]: === Iteration 27 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:25,750 INFO L82 PathProgramCache]: Analyzing trace with hash -735811308, now seen corresponding path program 26 times [2018-07-23 13:54:25,750 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:25,893 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,894 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:25,894 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:54:25,894 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,895 INFO L185 omatonBuilderFactory]: Interpolants [3712#(<= (+ main_offset 39924) main_length), 3713#(<= (+ main_offset 39920) main_length), 3714#(<= (+ main_offset 39916) main_length), 3715#(<= (+ main_offset 39912) main_length), 3716#(<= (+ main_offset 39908) main_length), 3717#(<= (+ main_offset 39904) main_length), 3718#(<= (+ main_offset 39900) main_length), 3719#(<= (+ main_offset 39896) main_length), 3691#true, 3692#false, 3693#(<= (+ main_offset 40000) main_length), 3694#(<= (+ main_offset 39996) main_length), 3695#(<= (+ main_offset 39992) main_length), 3696#(<= (+ main_offset 39988) main_length), 3697#(<= (+ main_offset 39984) main_length), 3698#(<= (+ main_offset 39980) main_length), 3699#(<= (+ main_offset 39976) main_length), 3700#(<= (+ main_offset 39972) main_length), 3701#(<= (+ main_offset 39968) main_length), 3702#(<= (+ main_offset 39964) main_length), 3703#(<= (+ main_offset 39960) main_length), 3704#(<= (+ main_offset 39956) main_length), 3705#(<= (+ main_offset 39952) main_length), 3706#(<= (+ main_offset 39948) main_length), 3707#(<= (+ main_offset 39944) main_length), 3708#(<= (+ main_offset 39940) main_length), 3709#(<= (+ main_offset 39936) main_length), 3710#(<= (+ main_offset 39932) main_length), 3711#(<= (+ main_offset 39928) main_length)] [2018-07-23 13:54:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,896 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:54:25,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:54:25,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:54:25,898 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 29 states. [2018-07-23 13:54:25,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:25,985 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:54:25,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:54:25,985 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2018-07-23 13:54:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:25,986 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:54:25,986 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 13:54:25,987 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 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 13:54:25,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 13:54:25,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-07-23 13:54:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-07-23 13:54:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-07-23 13:54:25,990 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 55 [2018-07-23 13:54:25,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:25,991 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-07-23 13:54:25,991 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:54:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-07-23 13:54:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-07-23 13:54:25,991 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:25,992 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1] [2018-07-23 13:54:25,992 INFO L414 AbstractCegarLoop]: === Iteration 28 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:25,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1554937942, now seen corresponding path program 27 times [2018-07-23 13:54:25,992 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,148 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:26,149 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:54:26,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:26,149 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 13:54:26,150 INFO L185 omatonBuilderFactory]: Interpolants [3968#(<= (+ main_offset 39952) main_length), 3969#(<= (+ main_offset 39948) main_length), 3970#(<= (+ main_offset 39944) main_length), 3971#(<= (+ main_offset 39940) main_length), 3972#(<= (+ main_offset 39936) main_length), 3973#(<= (+ main_offset 39932) main_length), 3974#(<= (+ main_offset 39928) main_length), 3975#(<= (+ main_offset 39924) main_length), 3976#(<= (+ main_offset 39920) main_length), 3977#(<= (+ main_offset 39916) main_length), 3978#(<= (+ main_offset 39912) main_length), 3979#(<= (+ main_offset 39908) main_length), 3980#(<= (+ main_offset 39904) main_length), 3981#(<= (+ main_offset 39900) main_length), 3982#(<= (+ main_offset 39896) main_length), 3983#(<= (+ main_offset 39892) main_length), 3954#true, 3955#false, 3956#(<= (+ main_offset 40000) main_length), 3957#(<= (+ main_offset 39996) main_length), 3958#(<= (+ main_offset 39992) main_length), 3959#(<= (+ main_offset 39988) main_length), 3960#(<= (+ main_offset 39984) main_length), 3961#(<= (+ main_offset 39980) main_length), 3962#(<= (+ main_offset 39976) main_length), 3963#(<= (+ main_offset 39972) main_length), 3964#(<= (+ main_offset 39968) main_length), 3965#(<= (+ main_offset 39964) main_length), 3966#(<= (+ main_offset 39960) main_length), 3967#(<= (+ main_offset 39956) main_length)] [2018-07-23 13:54:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,155 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:54:26,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:54:26,156 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:54:26,156 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 30 states. [2018-07-23 13:54:26,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:26,192 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:54:26,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:54:26,192 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 57 [2018-07-23 13:54:26,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:26,193 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:54:26,193 INFO L226 Difference]: Without dead ends: 60 [2018-07-23 13:54:26,194 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 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 13:54:26,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-07-23 13:54:26,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-07-23 13:54:26,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-07-23 13:54:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-07-23 13:54:26,198 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 57 [2018-07-23 13:54:26,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:26,198 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-07-23 13:54:26,198 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:54:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-07-23 13:54:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-23 13:54:26,199 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:26,199 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1] [2018-07-23 13:54:26,201 INFO L414 AbstractCegarLoop]: === Iteration 29 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:26,202 INFO L82 PathProgramCache]: Analyzing trace with hash -353255656, now seen corresponding path program 28 times [2018-07-23 13:54:26,202 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:26,356 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,357 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:26,357 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:54:26,357 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,358 INFO L185 omatonBuilderFactory]: Interpolants [4226#true, 4227#false, 4228#(<= (+ main_offset 40000) main_length), 4229#(<= (+ main_offset 39996) main_length), 4230#(<= (+ main_offset 39992) main_length), 4231#(<= (+ main_offset 39988) main_length), 4232#(<= (+ main_offset 39984) main_length), 4233#(<= (+ main_offset 39980) main_length), 4234#(<= (+ main_offset 39976) main_length), 4235#(<= (+ main_offset 39972) main_length), 4236#(<= (+ main_offset 39968) main_length), 4237#(<= (+ main_offset 39964) main_length), 4238#(<= (+ main_offset 39960) main_length), 4239#(<= (+ main_offset 39956) main_length), 4240#(<= (+ main_offset 39952) main_length), 4241#(<= (+ main_offset 39948) main_length), 4242#(<= (+ main_offset 39944) main_length), 4243#(<= (+ main_offset 39940) main_length), 4244#(<= (+ main_offset 39936) main_length), 4245#(<= (+ main_offset 39932) main_length), 4246#(<= (+ main_offset 39928) main_length), 4247#(<= (+ main_offset 39924) main_length), 4248#(<= (+ main_offset 39920) main_length), 4249#(<= (+ main_offset 39916) main_length), 4250#(<= (+ main_offset 39912) main_length), 4251#(<= (+ main_offset 39908) main_length), 4252#(<= (+ main_offset 39904) main_length), 4253#(<= (+ main_offset 39900) main_length), 4254#(<= (+ main_offset 39896) main_length), 4255#(<= (+ main_offset 39892) main_length), 4256#(<= (+ main_offset 39888) main_length)] [2018-07-23 13:54:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,359 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:54:26,359 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:54:26,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:54:26,360 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 31 states. [2018-07-23 13:54:26,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:26,395 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:54:26,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:54:26,396 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2018-07-23 13:54:26,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:26,396 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:54:26,396 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 13:54:26,397 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 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 13:54:26,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 13:54:26,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-07-23 13:54:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-07-23 13:54:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-07-23 13:54:26,402 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 59 [2018-07-23 13:54:26,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:26,402 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-07-23 13:54:26,402 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:54:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-07-23 13:54:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-23 13:54:26,403 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:26,403 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1] [2018-07-23 13:54:26,403 INFO L414 AbstractCegarLoop]: === Iteration 30 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:26,404 INFO L82 PathProgramCache]: Analyzing trace with hash -176267942, now seen corresponding path program 29 times [2018-07-23 13:54:26,404 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,554 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:26,555 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:54:26,555 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,555 INFO L185 omatonBuilderFactory]: Interpolants [4507#true, 4508#false, 4509#(<= (+ main_offset 40000) main_length), 4510#(<= (+ main_offset 39996) main_length), 4511#(<= (+ main_offset 39992) main_length), 4512#(<= (+ main_offset 39988) main_length), 4513#(<= (+ main_offset 39984) main_length), 4514#(<= (+ main_offset 39980) main_length), 4515#(<= (+ main_offset 39976) main_length), 4516#(<= (+ main_offset 39972) main_length), 4517#(<= (+ main_offset 39968) main_length), 4518#(<= (+ main_offset 39964) main_length), 4519#(<= (+ main_offset 39960) main_length), 4520#(<= (+ main_offset 39956) main_length), 4521#(<= (+ main_offset 39952) main_length), 4522#(<= (+ main_offset 39948) main_length), 4523#(<= (+ main_offset 39944) main_length), 4524#(<= (+ main_offset 39940) main_length), 4525#(<= (+ main_offset 39936) main_length), 4526#(<= (+ main_offset 39932) main_length), 4527#(<= (+ main_offset 39928) main_length), 4528#(<= (+ main_offset 39924) main_length), 4529#(<= (+ main_offset 39920) main_length), 4530#(<= (+ main_offset 39916) main_length), 4531#(<= (+ main_offset 39912) main_length), 4532#(<= (+ main_offset 39908) main_length), 4533#(<= (+ main_offset 39904) main_length), 4534#(<= (+ main_offset 39900) main_length), 4535#(<= (+ main_offset 39896) main_length), 4536#(<= (+ main_offset 39892) main_length), 4537#(<= (+ main_offset 39888) main_length), 4538#(<= (+ main_offset 39884) main_length)] [2018-07-23 13:54:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,556 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:54:26,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:54:26,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:54:26,558 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 32 states. [2018-07-23 13:54:26,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:26,591 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:54:26,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:54:26,591 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 61 [2018-07-23 13:54:26,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:26,592 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:54:26,592 INFO L226 Difference]: Without dead ends: 64 [2018-07-23 13:54:26,593 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 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 13:54:26,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-07-23 13:54:26,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-07-23 13:54:26,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-23 13:54:26,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-07-23 13:54:26,597 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 61 [2018-07-23 13:54:26,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:26,597 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-07-23 13:54:26,597 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:54:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-07-23 13:54:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-23 13:54:26,598 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:26,598 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1] [2018-07-23 13:54:26,598 INFO L414 AbstractCegarLoop]: === Iteration 31 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:26,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1889766628, now seen corresponding path program 30 times [2018-07-23 13:54:26,598 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,754 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:26,754 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:54:26,754 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,755 INFO L185 omatonBuilderFactory]: Interpolants [4800#(<= (+ main_offset 39996) main_length), 4801#(<= (+ main_offset 39992) main_length), 4802#(<= (+ main_offset 39988) main_length), 4803#(<= (+ main_offset 39984) main_length), 4804#(<= (+ main_offset 39980) main_length), 4805#(<= (+ main_offset 39976) main_length), 4806#(<= (+ main_offset 39972) main_length), 4807#(<= (+ main_offset 39968) main_length), 4808#(<= (+ main_offset 39964) main_length), 4809#(<= (+ main_offset 39960) main_length), 4810#(<= (+ main_offset 39956) main_length), 4811#(<= (+ main_offset 39952) main_length), 4812#(<= (+ main_offset 39948) main_length), 4813#(<= (+ main_offset 39944) main_length), 4814#(<= (+ main_offset 39940) main_length), 4815#(<= (+ main_offset 39936) main_length), 4816#(<= (+ main_offset 39932) main_length), 4817#(<= (+ main_offset 39928) main_length), 4818#(<= (+ main_offset 39924) main_length), 4819#(<= (+ main_offset 39920) main_length), 4820#(<= (+ main_offset 39916) main_length), 4821#(<= (+ main_offset 39912) main_length), 4822#(<= (+ main_offset 39908) main_length), 4823#(<= (+ main_offset 39904) main_length), 4824#(<= (+ main_offset 39900) main_length), 4825#(<= (+ main_offset 39896) main_length), 4826#(<= (+ main_offset 39892) main_length), 4827#(<= (+ main_offset 39888) main_length), 4828#(<= (+ main_offset 39884) main_length), 4829#(<= (+ main_offset 39880) main_length), 4797#true, 4798#false, 4799#(<= (+ main_offset 40000) main_length)] [2018-07-23 13:54:26,755 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,756 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:54:26,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:54:26,756 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:54:26,757 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 33 states. [2018-07-23 13:54:26,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:26,789 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:54:26,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:54:26,790 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 63 [2018-07-23 13:54:26,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:26,790 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:54:26,790 INFO L226 Difference]: Without dead ends: 66 [2018-07-23 13:54:26,791 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:54:26,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-07-23 13:54:26,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-07-23 13:54:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-07-23 13:54:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-07-23 13:54:26,795 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 63 [2018-07-23 13:54:26,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:26,795 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-07-23 13:54:26,795 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:54:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-07-23 13:54:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-23 13:54:26,796 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:26,796 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1] [2018-07-23 13:54:26,796 INFO L414 AbstractCegarLoop]: === Iteration 32 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:26,797 INFO L82 PathProgramCache]: Analyzing trace with hash 705437790, now seen corresponding path program 31 times [2018-07-23 13:54:26,797 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,965 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:26,965 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:54:26,965 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,966 INFO L185 omatonBuilderFactory]: Interpolants [5120#(<= (+ main_offset 39912) main_length), 5121#(<= (+ main_offset 39908) main_length), 5122#(<= (+ main_offset 39904) main_length), 5123#(<= (+ main_offset 39900) main_length), 5124#(<= (+ main_offset 39896) main_length), 5125#(<= (+ main_offset 39892) main_length), 5126#(<= (+ main_offset 39888) main_length), 5127#(<= (+ main_offset 39884) main_length), 5128#(<= (+ main_offset 39880) main_length), 5129#(<= (+ main_offset 39876) main_length), 5096#true, 5097#false, 5098#(<= (+ main_offset 40000) main_length), 5099#(<= (+ main_offset 39996) main_length), 5100#(<= (+ main_offset 39992) main_length), 5101#(<= (+ main_offset 39988) main_length), 5102#(<= (+ main_offset 39984) main_length), 5103#(<= (+ main_offset 39980) main_length), 5104#(<= (+ main_offset 39976) main_length), 5105#(<= (+ main_offset 39972) main_length), 5106#(<= (+ main_offset 39968) main_length), 5107#(<= (+ main_offset 39964) main_length), 5108#(<= (+ main_offset 39960) main_length), 5109#(<= (+ main_offset 39956) main_length), 5110#(<= (+ main_offset 39952) main_length), 5111#(<= (+ main_offset 39948) main_length), 5112#(<= (+ main_offset 39944) main_length), 5113#(<= (+ main_offset 39940) main_length), 5114#(<= (+ main_offset 39936) main_length), 5115#(<= (+ main_offset 39932) main_length), 5116#(<= (+ main_offset 39928) main_length), 5117#(<= (+ main_offset 39924) main_length), 5118#(<= (+ main_offset 39920) main_length), 5119#(<= (+ main_offset 39916) main_length)] [2018-07-23 13:54:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:26,967 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:54:26,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:54:26,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:54:26,968 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 34 states. [2018-07-23 13:54:26,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:26,998 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:54:26,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:54:26,998 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 65 [2018-07-23 13:54:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:26,999 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:54:26,999 INFO L226 Difference]: Without dead ends: 68 [2018-07-23 13:54:27,000 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:54:27,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-07-23 13:54:27,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-07-23 13:54:27,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-07-23 13:54:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-07-23 13:54:27,003 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 65 [2018-07-23 13:54:27,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:27,004 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-07-23 13:54:27,004 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:54:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-07-23 13:54:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-07-23 13:54:27,004 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:27,005 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1] [2018-07-23 13:54:27,005 INFO L414 AbstractCegarLoop]: === Iteration 33 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:27,005 INFO L82 PathProgramCache]: Analyzing trace with hash -679115488, now seen corresponding path program 32 times [2018-07-23 13:54:27,005 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,167 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:27,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:54:27,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:27,169 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 13:54:27,169 INFO L185 omatonBuilderFactory]: Interpolants [5404#true, 5405#false, 5406#(<= (+ main_offset 40000) main_length), 5407#(<= (+ main_offset 39996) main_length), 5408#(<= (+ main_offset 39992) main_length), 5409#(<= (+ main_offset 39988) main_length), 5410#(<= (+ main_offset 39984) main_length), 5411#(<= (+ main_offset 39980) main_length), 5412#(<= (+ main_offset 39976) main_length), 5413#(<= (+ main_offset 39972) main_length), 5414#(<= (+ main_offset 39968) main_length), 5415#(<= (+ main_offset 39964) main_length), 5416#(<= (+ main_offset 39960) main_length), 5417#(<= (+ main_offset 39956) main_length), 5418#(<= (+ main_offset 39952) main_length), 5419#(<= (+ main_offset 39948) main_length), 5420#(<= (+ main_offset 39944) main_length), 5421#(<= (+ main_offset 39940) main_length), 5422#(<= (+ main_offset 39936) main_length), 5423#(<= (+ main_offset 39932) main_length), 5424#(<= (+ main_offset 39928) main_length), 5425#(<= (+ main_offset 39924) main_length), 5426#(<= (+ main_offset 39920) main_length), 5427#(<= (+ main_offset 39916) main_length), 5428#(<= (+ main_offset 39912) main_length), 5429#(<= (+ main_offset 39908) main_length), 5430#(<= (+ main_offset 39904) main_length), 5431#(<= (+ main_offset 39900) main_length), 5432#(<= (+ main_offset 39896) main_length), 5433#(<= (+ main_offset 39892) main_length), 5434#(<= (+ main_offset 39888) main_length), 5435#(<= (+ main_offset 39884) main_length), 5436#(<= (+ main_offset 39880) main_length), 5437#(<= (+ main_offset 39876) main_length), 5438#(<= (+ main_offset 39872) main_length)] [2018-07-23 13:54:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,170 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:54:27,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:54:27,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:54:27,171 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 35 states. [2018-07-23 13:54:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:27,206 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:54:27,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:54:27,206 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2018-07-23 13:54:27,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:27,207 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:54:27,207 INFO L226 Difference]: Without dead ends: 70 [2018-07-23 13:54:27,208 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 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 13:54:27,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-07-23 13:54:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-07-23 13:54:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-07-23 13:54:27,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-07-23 13:54:27,213 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 67 [2018-07-23 13:54:27,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:27,214 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-07-23 13:54:27,214 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:54:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-07-23 13:54:27,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-23 13:54:27,214 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:27,214 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1] [2018-07-23 13:54:27,215 INFO L414 AbstractCegarLoop]: === Iteration 34 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:27,215 INFO L82 PathProgramCache]: Analyzing trace with hash 205046114, now seen corresponding path program 33 times [2018-07-23 13:54:27,215 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,390 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:27,390 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:54:27,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,391 INFO L185 omatonBuilderFactory]: Interpolants [5721#true, 5722#false, 5723#(<= (+ main_offset 40000) main_length), 5724#(<= (+ main_offset 39996) main_length), 5725#(<= (+ main_offset 39992) main_length), 5726#(<= (+ main_offset 39988) main_length), 5727#(<= (+ main_offset 39984) main_length), 5728#(<= (+ main_offset 39980) main_length), 5729#(<= (+ main_offset 39976) main_length), 5730#(<= (+ main_offset 39972) main_length), 5731#(<= (+ main_offset 39968) main_length), 5732#(<= (+ main_offset 39964) main_length), 5733#(<= (+ main_offset 39960) main_length), 5734#(<= (+ main_offset 39956) main_length), 5735#(<= (+ main_offset 39952) main_length), 5736#(<= (+ main_offset 39948) main_length), 5737#(<= (+ main_offset 39944) main_length), 5738#(<= (+ main_offset 39940) main_length), 5739#(<= (+ main_offset 39936) main_length), 5740#(<= (+ main_offset 39932) main_length), 5741#(<= (+ main_offset 39928) main_length), 5742#(<= (+ main_offset 39924) main_length), 5743#(<= (+ main_offset 39920) main_length), 5744#(<= (+ main_offset 39916) main_length), 5745#(<= (+ main_offset 39912) main_length), 5746#(<= (+ main_offset 39908) main_length), 5747#(<= (+ main_offset 39904) main_length), 5748#(<= (+ main_offset 39900) main_length), 5749#(<= (+ main_offset 39896) main_length), 5750#(<= (+ main_offset 39892) main_length), 5751#(<= (+ main_offset 39888) main_length), 5752#(<= (+ main_offset 39884) main_length), 5753#(<= (+ main_offset 39880) main_length), 5754#(<= (+ main_offset 39876) main_length), 5755#(<= (+ main_offset 39872) main_length), 5756#(<= (+ main_offset 39868) main_length)] [2018-07-23 13:54:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,393 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:54:27,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:54:27,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:54:27,394 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 36 states. [2018-07-23 13:54:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:27,431 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:54:27,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:54:27,431 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 69 [2018-07-23 13:54:27,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:27,432 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:54:27,432 INFO L226 Difference]: Without dead ends: 72 [2018-07-23 13:54:27,433 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:54:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-07-23 13:54:27,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-07-23 13:54:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-23 13:54:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-07-23 13:54:27,437 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 69 [2018-07-23 13:54:27,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:27,437 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-07-23 13:54:27,437 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:54:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-07-23 13:54:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-07-23 13:54:27,438 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:27,438 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1] [2018-07-23 13:54:27,438 INFO L414 AbstractCegarLoop]: === Iteration 35 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:27,438 INFO L82 PathProgramCache]: Analyzing trace with hash -519178972, now seen corresponding path program 34 times [2018-07-23 13:54:27,439 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,611 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:27,611 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:54:27,612 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:27,612 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 13:54:27,612 INFO L185 omatonBuilderFactory]: Interpolants [6080#(<= (+ main_offset 39876) main_length), 6081#(<= (+ main_offset 39872) main_length), 6082#(<= (+ main_offset 39868) main_length), 6083#(<= (+ main_offset 39864) main_length), 6047#true, 6048#false, 6049#(<= (+ main_offset 40000) main_length), 6050#(<= (+ main_offset 39996) main_length), 6051#(<= (+ main_offset 39992) main_length), 6052#(<= (+ main_offset 39988) main_length), 6053#(<= (+ main_offset 39984) main_length), 6054#(<= (+ main_offset 39980) main_length), 6055#(<= (+ main_offset 39976) main_length), 6056#(<= (+ main_offset 39972) main_length), 6057#(<= (+ main_offset 39968) main_length), 6058#(<= (+ main_offset 39964) main_length), 6059#(<= (+ main_offset 39960) main_length), 6060#(<= (+ main_offset 39956) main_length), 6061#(<= (+ main_offset 39952) main_length), 6062#(<= (+ main_offset 39948) main_length), 6063#(<= (+ main_offset 39944) main_length), 6064#(<= (+ main_offset 39940) main_length), 6065#(<= (+ main_offset 39936) main_length), 6066#(<= (+ main_offset 39932) main_length), 6067#(<= (+ main_offset 39928) main_length), 6068#(<= (+ main_offset 39924) main_length), 6069#(<= (+ main_offset 39920) main_length), 6070#(<= (+ main_offset 39916) main_length), 6071#(<= (+ main_offset 39912) main_length), 6072#(<= (+ main_offset 39908) main_length), 6073#(<= (+ main_offset 39904) main_length), 6074#(<= (+ main_offset 39900) main_length), 6075#(<= (+ main_offset 39896) main_length), 6076#(<= (+ main_offset 39892) main_length), 6077#(<= (+ main_offset 39888) main_length), 6078#(<= (+ main_offset 39884) main_length), 6079#(<= (+ main_offset 39880) main_length)] [2018-07-23 13:54:27,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,613 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:54:27,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:54:27,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:54:27,614 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 37 states. [2018-07-23 13:54:27,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:27,647 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:54:27,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:54:27,647 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 71 [2018-07-23 13:54:27,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:27,648 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:54:27,648 INFO L226 Difference]: Without dead ends: 74 [2018-07-23 13:54:27,649 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:54:27,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-07-23 13:54:27,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-07-23 13:54:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-07-23 13:54:27,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-07-23 13:54:27,653 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 71 [2018-07-23 13:54:27,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:27,653 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2018-07-23 13:54:27,654 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:54:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-07-23 13:54:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-07-23 13:54:27,654 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:27,654 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1] [2018-07-23 13:54:27,655 INFO L414 AbstractCegarLoop]: === Iteration 36 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:27,655 INFO L82 PathProgramCache]: Analyzing trace with hash -714784666, now seen corresponding path program 35 times [2018-07-23 13:54:27,655 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,825 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:27,825 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:54:27,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,825 INFO L185 omatonBuilderFactory]: Interpolants [6400#(<= (+ main_offset 39936) main_length), 6401#(<= (+ main_offset 39932) main_length), 6402#(<= (+ main_offset 39928) main_length), 6403#(<= (+ main_offset 39924) main_length), 6404#(<= (+ main_offset 39920) main_length), 6405#(<= (+ main_offset 39916) main_length), 6406#(<= (+ main_offset 39912) main_length), 6407#(<= (+ main_offset 39908) main_length), 6408#(<= (+ main_offset 39904) main_length), 6409#(<= (+ main_offset 39900) main_length), 6410#(<= (+ main_offset 39896) main_length), 6411#(<= (+ main_offset 39892) main_length), 6412#(<= (+ main_offset 39888) main_length), 6413#(<= (+ main_offset 39884) main_length), 6414#(<= (+ main_offset 39880) main_length), 6415#(<= (+ main_offset 39876) main_length), 6416#(<= (+ main_offset 39872) main_length), 6417#(<= (+ main_offset 39868) main_length), 6418#(<= (+ main_offset 39864) main_length), 6419#(<= (+ main_offset 39860) main_length), 6382#true, 6383#false, 6384#(<= (+ main_offset 40000) main_length), 6385#(<= (+ main_offset 39996) main_length), 6386#(<= (+ main_offset 39992) main_length), 6387#(<= (+ main_offset 39988) main_length), 6388#(<= (+ main_offset 39984) main_length), 6389#(<= (+ main_offset 39980) main_length), 6390#(<= (+ main_offset 39976) main_length), 6391#(<= (+ main_offset 39972) main_length), 6392#(<= (+ main_offset 39968) main_length), 6393#(<= (+ main_offset 39964) main_length), 6394#(<= (+ main_offset 39960) main_length), 6395#(<= (+ main_offset 39956) main_length), 6396#(<= (+ main_offset 39952) main_length), 6397#(<= (+ main_offset 39948) main_length), 6398#(<= (+ main_offset 39944) main_length), 6399#(<= (+ main_offset 39940) main_length)] [2018-07-23 13:54:27,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:27,826 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:54:27,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:54:27,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:54:27,827 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand 38 states. [2018-07-23 13:54:27,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:27,860 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:54:27,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:54:27,861 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 73 [2018-07-23 13:54:27,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:27,861 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:54:27,862 INFO L226 Difference]: Without dead ends: 76 [2018-07-23 13:54:27,863 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:54:27,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-07-23 13:54:27,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-07-23 13:54:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-07-23 13:54:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-07-23 13:54:27,867 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 73 [2018-07-23 13:54:27,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:27,867 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-07-23 13:54:27,867 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:54:27,867 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-07-23 13:54:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-07-23 13:54:27,868 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:27,868 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1] [2018-07-23 13:54:27,868 INFO L414 AbstractCegarLoop]: === Iteration 37 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:27,868 INFO L82 PathProgramCache]: Analyzing trace with hash 286704424, now seen corresponding path program 36 times [2018-07-23 13:54:27,869 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:28,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:54:28,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,055 INFO L185 omatonBuilderFactory]: Interpolants [6726#true, 6727#false, 6728#(<= (+ main_offset 40000) main_length), 6729#(<= (+ main_offset 39996) main_length), 6730#(<= (+ main_offset 39992) main_length), 6731#(<= (+ main_offset 39988) main_length), 6732#(<= (+ main_offset 39984) main_length), 6733#(<= (+ main_offset 39980) main_length), 6734#(<= (+ main_offset 39976) main_length), 6735#(<= (+ main_offset 39972) main_length), 6736#(<= (+ main_offset 39968) main_length), 6737#(<= (+ main_offset 39964) main_length), 6738#(<= (+ main_offset 39960) main_length), 6739#(<= (+ main_offset 39956) main_length), 6740#(<= (+ main_offset 39952) main_length), 6741#(<= (+ main_offset 39948) main_length), 6742#(<= (+ main_offset 39944) main_length), 6743#(<= (+ main_offset 39940) main_length), 6744#(<= (+ main_offset 39936) main_length), 6745#(<= (+ main_offset 39932) main_length), 6746#(<= (+ main_offset 39928) main_length), 6747#(<= (+ main_offset 39924) main_length), 6748#(<= (+ main_offset 39920) main_length), 6749#(<= (+ main_offset 39916) main_length), 6750#(<= (+ main_offset 39912) main_length), 6751#(<= (+ main_offset 39908) main_length), 6752#(<= (+ main_offset 39904) main_length), 6753#(<= (+ main_offset 39900) main_length), 6754#(<= (+ main_offset 39896) main_length), 6755#(<= (+ main_offset 39892) main_length), 6756#(<= (+ main_offset 39888) main_length), 6757#(<= (+ main_offset 39884) main_length), 6758#(<= (+ main_offset 39880) main_length), 6759#(<= (+ main_offset 39876) main_length), 6760#(<= (+ main_offset 39872) main_length), 6761#(<= (+ main_offset 39868) main_length), 6762#(<= (+ main_offset 39864) main_length), 6763#(<= (+ main_offset 39860) main_length), 6764#(<= (+ main_offset 39856) main_length)] [2018-07-23 13:54:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,056 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:54:28,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:54:28,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:54:28,057 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 39 states. [2018-07-23 13:54:28,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:28,103 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:54:28,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:54:28,103 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2018-07-23 13:54:28,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:28,104 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:54:28,104 INFO L226 Difference]: Without dead ends: 78 [2018-07-23 13:54:28,105 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:54:28,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-07-23 13:54:28,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-07-23 13:54:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-07-23 13:54:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-07-23 13:54:28,111 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 75 [2018-07-23 13:54:28,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:28,111 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-07-23 13:54:28,111 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:54:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-07-23 13:54:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-07-23 13:54:28,112 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:28,112 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1] [2018-07-23 13:54:28,112 INFO L414 AbstractCegarLoop]: === Iteration 38 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:28,113 INFO L82 PathProgramCache]: Analyzing trace with hash 645045610, now seen corresponding path program 37 times [2018-07-23 13:54:28,113 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:28,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,330 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:28,330 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:54:28,330 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,331 INFO L185 omatonBuilderFactory]: Interpolants [7104#(<= (+ main_offset 39908) main_length), 7105#(<= (+ main_offset 39904) main_length), 7106#(<= (+ main_offset 39900) main_length), 7107#(<= (+ main_offset 39896) main_length), 7108#(<= (+ main_offset 39892) main_length), 7109#(<= (+ main_offset 39888) main_length), 7110#(<= (+ main_offset 39884) main_length), 7111#(<= (+ main_offset 39880) main_length), 7112#(<= (+ main_offset 39876) main_length), 7113#(<= (+ main_offset 39872) main_length), 7114#(<= (+ main_offset 39868) main_length), 7115#(<= (+ main_offset 39864) main_length), 7116#(<= (+ main_offset 39860) main_length), 7117#(<= (+ main_offset 39856) main_length), 7118#(<= (+ main_offset 39852) main_length), 7079#true, 7080#false, 7081#(<= (+ main_offset 40000) main_length), 7082#(<= (+ main_offset 39996) main_length), 7083#(<= (+ main_offset 39992) main_length), 7084#(<= (+ main_offset 39988) main_length), 7085#(<= (+ main_offset 39984) main_length), 7086#(<= (+ main_offset 39980) main_length), 7087#(<= (+ main_offset 39976) main_length), 7088#(<= (+ main_offset 39972) main_length), 7089#(<= (+ main_offset 39968) main_length), 7090#(<= (+ main_offset 39964) main_length), 7091#(<= (+ main_offset 39960) main_length), 7092#(<= (+ main_offset 39956) main_length), 7093#(<= (+ main_offset 39952) main_length), 7094#(<= (+ main_offset 39948) main_length), 7095#(<= (+ main_offset 39944) main_length), 7096#(<= (+ main_offset 39940) main_length), 7097#(<= (+ main_offset 39936) main_length), 7098#(<= (+ main_offset 39932) main_length), 7099#(<= (+ main_offset 39928) main_length), 7100#(<= (+ main_offset 39924) main_length), 7101#(<= (+ main_offset 39920) main_length), 7102#(<= (+ main_offset 39916) main_length), 7103#(<= (+ main_offset 39912) main_length)] [2018-07-23 13:54:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,332 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:54:28,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:54:28,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:54:28,333 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 40 states. [2018-07-23 13:54:28,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:28,372 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:54:28,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:54:28,372 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 77 [2018-07-23 13:54:28,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:28,373 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:54:28,373 INFO L226 Difference]: Without dead ends: 80 [2018-07-23 13:54:28,374 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:54:28,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-07-23 13:54:28,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-07-23 13:54:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-23 13:54:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-07-23 13:54:28,379 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 77 [2018-07-23 13:54:28,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:28,379 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-07-23 13:54:28,380 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:54:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-07-23 13:54:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-07-23 13:54:28,380 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:28,381 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1] [2018-07-23 13:54:28,381 INFO L414 AbstractCegarLoop]: === Iteration 39 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:28,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1413541676, now seen corresponding path program 38 times [2018-07-23 13:54:28,381 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,601 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:28,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:54:28,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,602 INFO L185 omatonBuilderFactory]: Interpolants [7441#true, 7442#false, 7443#(<= (+ main_offset 40000) main_length), 7444#(<= (+ main_offset 39996) main_length), 7445#(<= (+ main_offset 39992) main_length), 7446#(<= (+ main_offset 39988) main_length), 7447#(<= (+ main_offset 39984) main_length), 7448#(<= (+ main_offset 39980) main_length), 7449#(<= (+ main_offset 39976) main_length), 7450#(<= (+ main_offset 39972) main_length), 7451#(<= (+ main_offset 39968) main_length), 7452#(<= (+ main_offset 39964) main_length), 7453#(<= (+ main_offset 39960) main_length), 7454#(<= (+ main_offset 39956) main_length), 7455#(<= (+ main_offset 39952) main_length), 7456#(<= (+ main_offset 39948) main_length), 7457#(<= (+ main_offset 39944) main_length), 7458#(<= (+ main_offset 39940) main_length), 7459#(<= (+ main_offset 39936) main_length), 7460#(<= (+ main_offset 39932) main_length), 7461#(<= (+ main_offset 39928) main_length), 7462#(<= (+ main_offset 39924) main_length), 7463#(<= (+ main_offset 39920) main_length), 7464#(<= (+ main_offset 39916) main_length), 7465#(<= (+ main_offset 39912) main_length), 7466#(<= (+ main_offset 39908) main_length), 7467#(<= (+ main_offset 39904) main_length), 7468#(<= (+ main_offset 39900) main_length), 7469#(<= (+ main_offset 39896) main_length), 7470#(<= (+ main_offset 39892) main_length), 7471#(<= (+ main_offset 39888) main_length), 7472#(<= (+ main_offset 39884) main_length), 7473#(<= (+ main_offset 39880) main_length), 7474#(<= (+ main_offset 39876) main_length), 7475#(<= (+ main_offset 39872) main_length), 7476#(<= (+ main_offset 39868) main_length), 7477#(<= (+ main_offset 39864) main_length), 7478#(<= (+ main_offset 39860) main_length), 7479#(<= (+ main_offset 39856) main_length), 7480#(<= (+ main_offset 39852) main_length), 7481#(<= (+ main_offset 39848) main_length)] [2018-07-23 13:54:28,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,602 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:54:28,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:54:28,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:54:28,604 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 41 states. [2018-07-23 13:54:28,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:28,643 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:54:28,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:54:28,643 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 79 [2018-07-23 13:54:28,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:28,644 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:54:28,644 INFO L226 Difference]: Without dead ends: 82 [2018-07-23 13:54:28,645 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:54:28,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-07-23 13:54:28,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-07-23 13:54:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-07-23 13:54:28,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-07-23 13:54:28,649 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 79 [2018-07-23 13:54:28,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:28,649 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-07-23 13:54:28,649 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:54:28,649 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-07-23 13:54:28,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-07-23 13:54:28,650 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:28,650 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1] [2018-07-23 13:54:28,650 INFO L414 AbstractCegarLoop]: === Iteration 40 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:28,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1203886190, now seen corresponding path program 39 times [2018-07-23 13:54:28,651 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,822 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:28,822 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:54:28,822 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,823 INFO L185 omatonBuilderFactory]: Interpolants [7812#true, 7813#false, 7814#(<= (+ main_offset 40000) main_length), 7815#(<= (+ main_offset 39996) main_length), 7816#(<= (+ main_offset 39992) main_length), 7817#(<= (+ main_offset 39988) main_length), 7818#(<= (+ main_offset 39984) main_length), 7819#(<= (+ main_offset 39980) main_length), 7820#(<= (+ main_offset 39976) main_length), 7821#(<= (+ main_offset 39972) main_length), 7822#(<= (+ main_offset 39968) main_length), 7823#(<= (+ main_offset 39964) main_length), 7824#(<= (+ main_offset 39960) main_length), 7825#(<= (+ main_offset 39956) main_length), 7826#(<= (+ main_offset 39952) main_length), 7827#(<= (+ main_offset 39948) main_length), 7828#(<= (+ main_offset 39944) main_length), 7829#(<= (+ main_offset 39940) main_length), 7830#(<= (+ main_offset 39936) main_length), 7831#(<= (+ main_offset 39932) main_length), 7832#(<= (+ main_offset 39928) main_length), 7833#(<= (+ main_offset 39924) main_length), 7834#(<= (+ main_offset 39920) main_length), 7835#(<= (+ main_offset 39916) main_length), 7836#(<= (+ main_offset 39912) main_length), 7837#(<= (+ main_offset 39908) main_length), 7838#(<= (+ main_offset 39904) main_length), 7839#(<= (+ main_offset 39900) main_length), 7840#(<= (+ main_offset 39896) main_length), 7841#(<= (+ main_offset 39892) main_length), 7842#(<= (+ main_offset 39888) main_length), 7843#(<= (+ main_offset 39884) main_length), 7844#(<= (+ main_offset 39880) main_length), 7845#(<= (+ main_offset 39876) main_length), 7846#(<= (+ main_offset 39872) main_length), 7847#(<= (+ main_offset 39868) main_length), 7848#(<= (+ main_offset 39864) main_length), 7849#(<= (+ main_offset 39860) main_length), 7850#(<= (+ main_offset 39856) main_length), 7851#(<= (+ main_offset 39852) main_length), 7852#(<= (+ main_offset 39848) main_length), 7853#(<= (+ main_offset 39844) main_length)] [2018-07-23 13:54:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:28,823 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:54:28,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:54:28,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:54:28,825 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 42 states. [2018-07-23 13:54:28,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:28,866 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:54:28,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:54:28,867 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 81 [2018-07-23 13:54:28,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:28,867 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:54:28,868 INFO L226 Difference]: Without dead ends: 84 [2018-07-23 13:54:28,869 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:54:28,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-07-23 13:54:28,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-07-23 13:54:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-07-23 13:54:28,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-07-23 13:54:28,873 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 81 [2018-07-23 13:54:28,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:28,873 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-07-23 13:54:28,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:54:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-07-23 13:54:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-07-23 13:54:28,874 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:28,874 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1] [2018-07-23 13:54:28,875 INFO L414 AbstractCegarLoop]: === Iteration 41 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:28,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1588427056, now seen corresponding path program 40 times [2018-07-23 13:54:28,875 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,065 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:29,066 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:54:29,066 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,066 INFO L185 omatonBuilderFactory]: Interpolants [8192#true, 8193#false, 8194#(<= (+ main_offset 40000) main_length), 8195#(<= (+ main_offset 39996) main_length), 8196#(<= (+ main_offset 39992) main_length), 8197#(<= (+ main_offset 39988) main_length), 8198#(<= (+ main_offset 39984) main_length), 8199#(<= (+ main_offset 39980) main_length), 8200#(<= (+ main_offset 39976) main_length), 8201#(<= (+ main_offset 39972) main_length), 8202#(<= (+ main_offset 39968) main_length), 8203#(<= (+ main_offset 39964) main_length), 8204#(<= (+ main_offset 39960) main_length), 8205#(<= (+ main_offset 39956) main_length), 8206#(<= (+ main_offset 39952) main_length), 8207#(<= (+ main_offset 39948) main_length), 8208#(<= (+ main_offset 39944) main_length), 8209#(<= (+ main_offset 39940) main_length), 8210#(<= (+ main_offset 39936) main_length), 8211#(<= (+ main_offset 39932) main_length), 8212#(<= (+ main_offset 39928) main_length), 8213#(<= (+ main_offset 39924) main_length), 8214#(<= (+ main_offset 39920) main_length), 8215#(<= (+ main_offset 39916) main_length), 8216#(<= (+ main_offset 39912) main_length), 8217#(<= (+ main_offset 39908) main_length), 8218#(<= (+ main_offset 39904) main_length), 8219#(<= (+ main_offset 39900) main_length), 8220#(<= (+ main_offset 39896) main_length), 8221#(<= (+ main_offset 39892) main_length), 8222#(<= (+ main_offset 39888) main_length), 8223#(<= (+ main_offset 39884) main_length), 8224#(<= (+ main_offset 39880) main_length), 8225#(<= (+ main_offset 39876) main_length), 8226#(<= (+ main_offset 39872) main_length), 8227#(<= (+ main_offset 39868) main_length), 8228#(<= (+ main_offset 39864) main_length), 8229#(<= (+ main_offset 39860) main_length), 8230#(<= (+ main_offset 39856) main_length), 8231#(<= (+ main_offset 39852) main_length), 8232#(<= (+ main_offset 39848) main_length), 8233#(<= (+ main_offset 39844) main_length), 8234#(<= (+ main_offset 39840) main_length)] [2018-07-23 13:54:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,067 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:54:29,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:54:29,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:54:29,069 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 43 states. [2018-07-23 13:54:29,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:29,114 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:54:29,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:54:29,115 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 83 [2018-07-23 13:54:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:29,115 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:54:29,116 INFO L226 Difference]: Without dead ends: 86 [2018-07-23 13:54:29,117 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:54:29,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-07-23 13:54:29,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-07-23 13:54:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-07-23 13:54:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-07-23 13:54:29,122 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 86 transitions. Word has length 83 [2018-07-23 13:54:29,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:29,122 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 86 transitions. [2018-07-23 13:54:29,122 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:54:29,122 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-07-23 13:54:29,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-07-23 13:54:29,123 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:29,123 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1] [2018-07-23 13:54:29,124 INFO L414 AbstractCegarLoop]: === Iteration 42 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:29,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1765011826, now seen corresponding path program 41 times [2018-07-23 13:54:29,124 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,314 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:29,314 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:54:29,315 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:29,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,315 INFO L185 omatonBuilderFactory]: Interpolants [8581#true, 8582#false, 8583#(<= (+ main_offset 40000) main_length), 8584#(<= (+ main_offset 39996) main_length), 8585#(<= (+ main_offset 39992) main_length), 8586#(<= (+ main_offset 39988) main_length), 8587#(<= (+ main_offset 39984) main_length), 8588#(<= (+ main_offset 39980) main_length), 8589#(<= (+ main_offset 39976) main_length), 8590#(<= (+ main_offset 39972) main_length), 8591#(<= (+ main_offset 39968) main_length), 8592#(<= (+ main_offset 39964) main_length), 8593#(<= (+ main_offset 39960) main_length), 8594#(<= (+ main_offset 39956) main_length), 8595#(<= (+ main_offset 39952) main_length), 8596#(<= (+ main_offset 39948) main_length), 8597#(<= (+ main_offset 39944) main_length), 8598#(<= (+ main_offset 39940) main_length), 8599#(<= (+ main_offset 39936) main_length), 8600#(<= (+ main_offset 39932) main_length), 8601#(<= (+ main_offset 39928) main_length), 8602#(<= (+ main_offset 39924) main_length), 8603#(<= (+ main_offset 39920) main_length), 8604#(<= (+ main_offset 39916) main_length), 8605#(<= (+ main_offset 39912) main_length), 8606#(<= (+ main_offset 39908) main_length), 8607#(<= (+ main_offset 39904) main_length), 8608#(<= (+ main_offset 39900) main_length), 8609#(<= (+ main_offset 39896) main_length), 8610#(<= (+ main_offset 39892) main_length), 8611#(<= (+ main_offset 39888) main_length), 8612#(<= (+ main_offset 39884) main_length), 8613#(<= (+ main_offset 39880) main_length), 8614#(<= (+ main_offset 39876) main_length), 8615#(<= (+ main_offset 39872) main_length), 8616#(<= (+ main_offset 39868) main_length), 8617#(<= (+ main_offset 39864) main_length), 8618#(<= (+ main_offset 39860) main_length), 8619#(<= (+ main_offset 39856) main_length), 8620#(<= (+ main_offset 39852) main_length), 8621#(<= (+ main_offset 39848) main_length), 8622#(<= (+ main_offset 39844) main_length), 8623#(<= (+ main_offset 39840) main_length), 8624#(<= (+ main_offset 39836) main_length)] [2018-07-23 13:54:29,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,316 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:54:29,317 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:54:29,318 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:54:29,318 INFO L87 Difference]: Start difference. First operand 86 states and 86 transitions. Second operand 44 states. [2018-07-23 13:54:29,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:29,366 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:54:29,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:54:29,367 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 85 [2018-07-23 13:54:29,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:29,367 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:54:29,368 INFO L226 Difference]: Without dead ends: 88 [2018-07-23 13:54:29,369 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:54:29,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-07-23 13:54:29,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-07-23 13:54:29,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-07-23 13:54:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-07-23 13:54:29,373 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 85 [2018-07-23 13:54:29,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:29,374 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-07-23 13:54:29,374 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:54:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-07-23 13:54:29,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-23 13:54:29,375 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:29,375 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1] [2018-07-23 13:54:29,375 INFO L414 AbstractCegarLoop]: === Iteration 43 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:29,375 INFO L82 PathProgramCache]: Analyzing trace with hash -335716044, now seen corresponding path program 42 times [2018-07-23 13:54:29,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,571 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:29,571 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:54:29,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:29,572 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 13:54:29,572 INFO L185 omatonBuilderFactory]: Interpolants [8979#true, 8980#false, 8981#(<= (+ main_offset 40000) main_length), 8982#(<= (+ main_offset 39996) main_length), 8983#(<= (+ main_offset 39992) main_length), 8984#(<= (+ main_offset 39988) main_length), 8985#(<= (+ main_offset 39984) main_length), 8986#(<= (+ main_offset 39980) main_length), 8987#(<= (+ main_offset 39976) main_length), 8988#(<= (+ main_offset 39972) main_length), 8989#(<= (+ main_offset 39968) main_length), 8990#(<= (+ main_offset 39964) main_length), 8991#(<= (+ main_offset 39960) main_length), 8992#(<= (+ main_offset 39956) main_length), 8993#(<= (+ main_offset 39952) main_length), 8994#(<= (+ main_offset 39948) main_length), 8995#(<= (+ main_offset 39944) main_length), 8996#(<= (+ main_offset 39940) main_length), 8997#(<= (+ main_offset 39936) main_length), 8998#(<= (+ main_offset 39932) main_length), 8999#(<= (+ main_offset 39928) main_length), 9000#(<= (+ main_offset 39924) main_length), 9001#(<= (+ main_offset 39920) main_length), 9002#(<= (+ main_offset 39916) main_length), 9003#(<= (+ main_offset 39912) main_length), 9004#(<= (+ main_offset 39908) main_length), 9005#(<= (+ main_offset 39904) main_length), 9006#(<= (+ main_offset 39900) main_length), 9007#(<= (+ main_offset 39896) main_length), 9008#(<= (+ main_offset 39892) main_length), 9009#(<= (+ main_offset 39888) main_length), 9010#(<= (+ main_offset 39884) main_length), 9011#(<= (+ main_offset 39880) main_length), 9012#(<= (+ main_offset 39876) main_length), 9013#(<= (+ main_offset 39872) main_length), 9014#(<= (+ main_offset 39868) main_length), 9015#(<= (+ main_offset 39864) main_length), 9016#(<= (+ main_offset 39860) main_length), 9017#(<= (+ main_offset 39856) main_length), 9018#(<= (+ main_offset 39852) main_length), 9019#(<= (+ main_offset 39848) main_length), 9020#(<= (+ main_offset 39844) main_length), 9021#(<= (+ main_offset 39840) main_length), 9022#(<= (+ main_offset 39836) main_length), 9023#(<= (+ main_offset 39832) main_length)] [2018-07-23 13:54:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,573 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:54:29,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:54:29,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:54:29,575 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 45 states. [2018-07-23 13:54:29,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:29,622 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:54:29,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:54:29,623 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 87 [2018-07-23 13:54:29,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:29,623 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:54:29,624 INFO L226 Difference]: Without dead ends: 90 [2018-07-23 13:54:29,625 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:54:29,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-07-23 13:54:29,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-07-23 13:54:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-07-23 13:54:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-07-23 13:54:29,631 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 87 [2018-07-23 13:54:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:29,632 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-07-23 13:54:29,632 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:54:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-07-23 13:54:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-07-23 13:54:29,633 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:29,633 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1] [2018-07-23 13:54:29,633 INFO L414 AbstractCegarLoop]: === Iteration 44 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:29,633 INFO L82 PathProgramCache]: Analyzing trace with hash -500569994, now seen corresponding path program 43 times [2018-07-23 13:54:29,633 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,821 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:29,821 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:54:29,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:29,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,822 INFO L185 omatonBuilderFactory]: Interpolants [9408#(<= (+ main_offset 39920) main_length), 9409#(<= (+ main_offset 39916) main_length), 9410#(<= (+ main_offset 39912) main_length), 9411#(<= (+ main_offset 39908) main_length), 9412#(<= (+ main_offset 39904) main_length), 9413#(<= (+ main_offset 39900) main_length), 9414#(<= (+ main_offset 39896) main_length), 9415#(<= (+ main_offset 39892) main_length), 9416#(<= (+ main_offset 39888) main_length), 9417#(<= (+ main_offset 39884) main_length), 9418#(<= (+ main_offset 39880) main_length), 9419#(<= (+ main_offset 39876) main_length), 9420#(<= (+ main_offset 39872) main_length), 9421#(<= (+ main_offset 39868) main_length), 9422#(<= (+ main_offset 39864) main_length), 9423#(<= (+ main_offset 39860) main_length), 9424#(<= (+ main_offset 39856) main_length), 9425#(<= (+ main_offset 39852) main_length), 9426#(<= (+ main_offset 39848) main_length), 9427#(<= (+ main_offset 39844) main_length), 9428#(<= (+ main_offset 39840) main_length), 9429#(<= (+ main_offset 39836) main_length), 9430#(<= (+ main_offset 39832) main_length), 9431#(<= (+ main_offset 39828) main_length), 9386#true, 9387#false, 9388#(<= (+ main_offset 40000) main_length), 9389#(<= (+ main_offset 39996) main_length), 9390#(<= (+ main_offset 39992) main_length), 9391#(<= (+ main_offset 39988) main_length), 9392#(<= (+ main_offset 39984) main_length), 9393#(<= (+ main_offset 39980) main_length), 9394#(<= (+ main_offset 39976) main_length), 9395#(<= (+ main_offset 39972) main_length), 9396#(<= (+ main_offset 39968) main_length), 9397#(<= (+ main_offset 39964) main_length), 9398#(<= (+ main_offset 39960) main_length), 9399#(<= (+ main_offset 39956) main_length), 9400#(<= (+ main_offset 39952) main_length), 9401#(<= (+ main_offset 39948) main_length), 9402#(<= (+ main_offset 39944) main_length), 9403#(<= (+ main_offset 39940) main_length), 9404#(<= (+ main_offset 39936) main_length), 9405#(<= (+ main_offset 39932) main_length), 9406#(<= (+ main_offset 39928) main_length), 9407#(<= (+ main_offset 39924) main_length)] [2018-07-23 13:54:29,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,823 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:54:29,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:54:29,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:54:29,825 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 46 states. [2018-07-23 13:54:29,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:29,866 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:54:29,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:54:29,866 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 89 [2018-07-23 13:54:29,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:29,867 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:54:29,867 INFO L226 Difference]: Without dead ends: 92 [2018-07-23 13:54:29,870 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:54:29,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-07-23 13:54:29,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-07-23 13:54:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-07-23 13:54:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-07-23 13:54:29,876 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 89 [2018-07-23 13:54:29,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:29,876 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-07-23 13:54:29,876 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:54:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-07-23 13:54:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-07-23 13:54:29,877 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:29,877 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1] [2018-07-23 13:54:29,878 INFO L414 AbstractCegarLoop]: === Iteration 45 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:29,878 INFO L82 PathProgramCache]: Analyzing trace with hash -11425992, now seen corresponding path program 44 times [2018-07-23 13:54:29,878 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:30,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:30,076 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:30,076 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:54:30,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:30,077 INFO L185 omatonBuilderFactory]: Interpolants [9802#true, 9803#false, 9804#(<= (+ main_offset 40000) main_length), 9805#(<= (+ main_offset 39996) main_length), 9806#(<= (+ main_offset 39992) main_length), 9807#(<= (+ main_offset 39988) main_length), 9808#(<= (+ main_offset 39984) main_length), 9809#(<= (+ main_offset 39980) main_length), 9810#(<= (+ main_offset 39976) main_length), 9811#(<= (+ main_offset 39972) main_length), 9812#(<= (+ main_offset 39968) main_length), 9813#(<= (+ main_offset 39964) main_length), 9814#(<= (+ main_offset 39960) main_length), 9815#(<= (+ main_offset 39956) main_length), 9816#(<= (+ main_offset 39952) main_length), 9817#(<= (+ main_offset 39948) main_length), 9818#(<= (+ main_offset 39944) main_length), 9819#(<= (+ main_offset 39940) main_length), 9820#(<= (+ main_offset 39936) main_length), 9821#(<= (+ main_offset 39932) main_length), 9822#(<= (+ main_offset 39928) main_length), 9823#(<= (+ main_offset 39924) main_length), 9824#(<= (+ main_offset 39920) main_length), 9825#(<= (+ main_offset 39916) main_length), 9826#(<= (+ main_offset 39912) main_length), 9827#(<= (+ main_offset 39908) main_length), 9828#(<= (+ main_offset 39904) main_length), 9829#(<= (+ main_offset 39900) main_length), 9830#(<= (+ main_offset 39896) main_length), 9831#(<= (+ main_offset 39892) main_length), 9832#(<= (+ main_offset 39888) main_length), 9833#(<= (+ main_offset 39884) main_length), 9834#(<= (+ main_offset 39880) main_length), 9835#(<= (+ main_offset 39876) main_length), 9836#(<= (+ main_offset 39872) main_length), 9837#(<= (+ main_offset 39868) main_length), 9838#(<= (+ main_offset 39864) main_length), 9839#(<= (+ main_offset 39860) main_length), 9840#(<= (+ main_offset 39856) main_length), 9841#(<= (+ main_offset 39852) main_length), 9842#(<= (+ main_offset 39848) main_length), 9843#(<= (+ main_offset 39844) main_length), 9844#(<= (+ main_offset 39840) main_length), 9845#(<= (+ main_offset 39836) main_length), 9846#(<= (+ main_offset 39832) main_length), 9847#(<= (+ main_offset 39828) main_length), 9848#(<= (+ main_offset 39824) main_length)] [2018-07-23 13:54:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:30,078 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:54:30,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:54:30,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:54:30,079 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 47 states. [2018-07-23 13:54:30,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:30,130 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:54:30,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:54:30,131 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 91 [2018-07-23 13:54:30,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:30,132 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:54:30,132 INFO L226 Difference]: Without dead ends: 94 [2018-07-23 13:54:30,133 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:54:30,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-07-23 13:54:30,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-07-23 13:54:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-07-23 13:54:30,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-07-23 13:54:30,138 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 91 [2018-07-23 13:54:30,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:30,138 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-07-23 13:54:30,138 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:54:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-07-23 13:54:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-07-23 13:54:30,139 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:30,139 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1] [2018-07-23 13:54:30,139 INFO L414 AbstractCegarLoop]: === Iteration 46 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:30,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1904524666, now seen corresponding path program 45 times [2018-07-23 13:54:30,140 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:30,369 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:30,369 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:54:30,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:30,370 INFO L185 omatonBuilderFactory]: Interpolants [10240#(<= (+ main_offset 39956) main_length), 10241#(<= (+ main_offset 39952) main_length), 10242#(<= (+ main_offset 39948) main_length), 10243#(<= (+ main_offset 39944) main_length), 10244#(<= (+ main_offset 39940) main_length), 10245#(<= (+ main_offset 39936) main_length), 10246#(<= (+ main_offset 39932) main_length), 10247#(<= (+ main_offset 39928) main_length), 10248#(<= (+ main_offset 39924) main_length), 10249#(<= (+ main_offset 39920) main_length), 10250#(<= (+ main_offset 39916) main_length), 10251#(<= (+ main_offset 39912) main_length), 10252#(<= (+ main_offset 39908) main_length), 10253#(<= (+ main_offset 39904) main_length), 10254#(<= (+ main_offset 39900) main_length), 10255#(<= (+ main_offset 39896) main_length), 10256#(<= (+ main_offset 39892) main_length), 10257#(<= (+ main_offset 39888) main_length), 10258#(<= (+ main_offset 39884) main_length), 10259#(<= (+ main_offset 39880) main_length), 10260#(<= (+ main_offset 39876) main_length), 10261#(<= (+ main_offset 39872) main_length), 10262#(<= (+ main_offset 39868) main_length), 10263#(<= (+ main_offset 39864) main_length), 10264#(<= (+ main_offset 39860) main_length), 10265#(<= (+ main_offset 39856) main_length), 10266#(<= (+ main_offset 39852) main_length), 10267#(<= (+ main_offset 39848) main_length), 10268#(<= (+ main_offset 39844) main_length), 10269#(<= (+ main_offset 39840) main_length), 10270#(<= (+ main_offset 39836) main_length), 10271#(<= (+ main_offset 39832) main_length), 10272#(<= (+ main_offset 39828) main_length), 10273#(<= (+ main_offset 39824) main_length), 10274#(<= (+ main_offset 39820) main_length), 10227#true, 10228#false, 10229#(<= (+ main_offset 40000) main_length), 10230#(<= (+ main_offset 39996) main_length), 10231#(<= (+ main_offset 39992) main_length), 10232#(<= (+ main_offset 39988) main_length), 10233#(<= (+ main_offset 39984) main_length), 10234#(<= (+ main_offset 39980) main_length), 10235#(<= (+ main_offset 39976) main_length), 10236#(<= (+ main_offset 39972) main_length), 10237#(<= (+ main_offset 39968) main_length), 10238#(<= (+ main_offset 39964) main_length), 10239#(<= (+ main_offset 39960) main_length)] [2018-07-23 13:54:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:30,371 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:54:30,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:54:30,372 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:54:30,373 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 48 states. [2018-07-23 13:54:30,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:30,425 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:54:30,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:54:30,425 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 93 [2018-07-23 13:54:30,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:30,426 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:54:30,426 INFO L226 Difference]: Without dead ends: 96 [2018-07-23 13:54:30,427 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:54:30,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-23 13:54:30,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-07-23 13:54:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-07-23 13:54:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-07-23 13:54:30,431 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 93 [2018-07-23 13:54:30,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:30,432 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-07-23 13:54:30,432 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:54:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-07-23 13:54:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-23 13:54:30,433 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:30,433 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1] [2018-07-23 13:54:30,433 INFO L414 AbstractCegarLoop]: === Iteration 47 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:30,433 INFO L82 PathProgramCache]: Analyzing trace with hash 592137020, now seen corresponding path program 46 times [2018-07-23 13:54:30,434 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:30,724 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:30,724 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:54:30,724 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:30,725 INFO L185 omatonBuilderFactory]: Interpolants [10661#true, 10662#false, 10663#(<= (+ main_offset 40000) main_length), 10664#(<= (+ main_offset 39996) main_length), 10665#(<= (+ main_offset 39992) main_length), 10666#(<= (+ main_offset 39988) main_length), 10667#(<= (+ main_offset 39984) main_length), 10668#(<= (+ main_offset 39980) main_length), 10669#(<= (+ main_offset 39976) main_length), 10670#(<= (+ main_offset 39972) main_length), 10671#(<= (+ main_offset 39968) main_length), 10672#(<= (+ main_offset 39964) main_length), 10673#(<= (+ main_offset 39960) main_length), 10674#(<= (+ main_offset 39956) main_length), 10675#(<= (+ main_offset 39952) main_length), 10676#(<= (+ main_offset 39948) main_length), 10677#(<= (+ main_offset 39944) main_length), 10678#(<= (+ main_offset 39940) main_length), 10679#(<= (+ main_offset 39936) main_length), 10680#(<= (+ main_offset 39932) main_length), 10681#(<= (+ main_offset 39928) main_length), 10682#(<= (+ main_offset 39924) main_length), 10683#(<= (+ main_offset 39920) main_length), 10684#(<= (+ main_offset 39916) main_length), 10685#(<= (+ main_offset 39912) main_length), 10686#(<= (+ main_offset 39908) main_length), 10687#(<= (+ main_offset 39904) main_length), 10688#(<= (+ main_offset 39900) main_length), 10689#(<= (+ main_offset 39896) main_length), 10690#(<= (+ main_offset 39892) main_length), 10691#(<= (+ main_offset 39888) main_length), 10692#(<= (+ main_offset 39884) main_length), 10693#(<= (+ main_offset 39880) main_length), 10694#(<= (+ main_offset 39876) main_length), 10695#(<= (+ main_offset 39872) main_length), 10696#(<= (+ main_offset 39868) main_length), 10697#(<= (+ main_offset 39864) main_length), 10698#(<= (+ main_offset 39860) main_length), 10699#(<= (+ main_offset 39856) main_length), 10700#(<= (+ main_offset 39852) main_length), 10701#(<= (+ main_offset 39848) main_length), 10702#(<= (+ main_offset 39844) main_length), 10703#(<= (+ main_offset 39840) main_length), 10704#(<= (+ main_offset 39836) main_length), 10705#(<= (+ main_offset 39832) main_length), 10706#(<= (+ main_offset 39828) main_length), 10707#(<= (+ main_offset 39824) main_length), 10708#(<= (+ main_offset 39820) main_length), 10709#(<= (+ main_offset 39816) main_length)] [2018-07-23 13:54:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:30,726 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:54:30,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:54:30,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:54:30,728 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 49 states. [2018-07-23 13:54:30,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:30,774 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:54:30,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:54:30,775 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 95 [2018-07-23 13:54:30,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:30,776 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:54:30,776 INFO L226 Difference]: Without dead ends: 98 [2018-07-23 13:54:30,777 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:54:30,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-07-23 13:54:30,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-07-23 13:54:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-23 13:54:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-07-23 13:54:30,785 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 95 [2018-07-23 13:54:30,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:30,785 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2018-07-23 13:54:30,785 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:54:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-07-23 13:54:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-07-23 13:54:30,786 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:30,787 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1] [2018-07-23 13:54:30,787 INFO L414 AbstractCegarLoop]: === Iteration 48 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:30,787 INFO L82 PathProgramCache]: Analyzing trace with hash 2107994238, now seen corresponding path program 47 times [2018-07-23 13:54:30,787 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,092 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:31,092 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:54:31,092 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,093 INFO L185 omatonBuilderFactory]: Interpolants [11136#(<= (+ main_offset 39880) main_length), 11137#(<= (+ main_offset 39876) main_length), 11138#(<= (+ main_offset 39872) main_length), 11139#(<= (+ main_offset 39868) main_length), 11140#(<= (+ main_offset 39864) main_length), 11141#(<= (+ main_offset 39860) main_length), 11142#(<= (+ main_offset 39856) main_length), 11143#(<= (+ main_offset 39852) main_length), 11144#(<= (+ main_offset 39848) main_length), 11145#(<= (+ main_offset 39844) main_length), 11146#(<= (+ main_offset 39840) main_length), 11147#(<= (+ main_offset 39836) main_length), 11148#(<= (+ main_offset 39832) main_length), 11149#(<= (+ main_offset 39828) main_length), 11150#(<= (+ main_offset 39824) main_length), 11151#(<= (+ main_offset 39820) main_length), 11152#(<= (+ main_offset 39816) main_length), 11153#(<= (+ main_offset 39812) main_length), 11104#true, 11105#false, 11106#(<= (+ main_offset 40000) main_length), 11107#(<= (+ main_offset 39996) main_length), 11108#(<= (+ main_offset 39992) main_length), 11109#(<= (+ main_offset 39988) main_length), 11110#(<= (+ main_offset 39984) main_length), 11111#(<= (+ main_offset 39980) main_length), 11112#(<= (+ main_offset 39976) main_length), 11113#(<= (+ main_offset 39972) main_length), 11114#(<= (+ main_offset 39968) main_length), 11115#(<= (+ main_offset 39964) main_length), 11116#(<= (+ main_offset 39960) main_length), 11117#(<= (+ main_offset 39956) main_length), 11118#(<= (+ main_offset 39952) main_length), 11119#(<= (+ main_offset 39948) main_length), 11120#(<= (+ main_offset 39944) main_length), 11121#(<= (+ main_offset 39940) main_length), 11122#(<= (+ main_offset 39936) main_length), 11123#(<= (+ main_offset 39932) main_length), 11124#(<= (+ main_offset 39928) main_length), 11125#(<= (+ main_offset 39924) main_length), 11126#(<= (+ main_offset 39920) main_length), 11127#(<= (+ main_offset 39916) main_length), 11128#(<= (+ main_offset 39912) main_length), 11129#(<= (+ main_offset 39908) main_length), 11130#(<= (+ main_offset 39904) main_length), 11131#(<= (+ main_offset 39900) main_length), 11132#(<= (+ main_offset 39896) main_length), 11133#(<= (+ main_offset 39892) main_length), 11134#(<= (+ main_offset 39888) main_length), 11135#(<= (+ main_offset 39884) main_length)] [2018-07-23 13:54:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,094 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:54:31,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:54:31,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:54:31,095 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand 50 states. [2018-07-23 13:54:31,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:31,136 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:54:31,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:54:31,137 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 97 [2018-07-23 13:54:31,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:31,138 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:54:31,138 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 13:54:31,139 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:54:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 13:54:31,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-07-23 13:54:31,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-07-23 13:54:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-07-23 13:54:31,145 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 97 [2018-07-23 13:54:31,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:31,146 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-07-23 13:54:31,146 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:54:31,146 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-07-23 13:54:31,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 13:54:31,147 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:31,147 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1] [2018-07-23 13:54:31,147 INFO L414 AbstractCegarLoop]: === Iteration 49 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:31,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1442099904, now seen corresponding path program 48 times [2018-07-23 13:54:31,148 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,359 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:31,359 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:54:31,359 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,360 INFO L185 omatonBuilderFactory]: Interpolants [11556#true, 11557#false, 11558#(<= (+ main_offset 40000) main_length), 11559#(<= (+ main_offset 39996) main_length), 11560#(<= (+ main_offset 39992) main_length), 11561#(<= (+ main_offset 39988) main_length), 11562#(<= (+ main_offset 39984) main_length), 11563#(<= (+ main_offset 39980) main_length), 11564#(<= (+ main_offset 39976) main_length), 11565#(<= (+ main_offset 39972) main_length), 11566#(<= (+ main_offset 39968) main_length), 11567#(<= (+ main_offset 39964) main_length), 11568#(<= (+ main_offset 39960) main_length), 11569#(<= (+ main_offset 39956) main_length), 11570#(<= (+ main_offset 39952) main_length), 11571#(<= (+ main_offset 39948) main_length), 11572#(<= (+ main_offset 39944) main_length), 11573#(<= (+ main_offset 39940) main_length), 11574#(<= (+ main_offset 39936) main_length), 11575#(<= (+ main_offset 39932) main_length), 11576#(<= (+ main_offset 39928) main_length), 11577#(<= (+ main_offset 39924) main_length), 11578#(<= (+ main_offset 39920) main_length), 11579#(<= (+ main_offset 39916) main_length), 11580#(<= (+ main_offset 39912) main_length), 11581#(<= (+ main_offset 39908) main_length), 11582#(<= (+ main_offset 39904) main_length), 11583#(<= (+ main_offset 39900) main_length), 11584#(<= (+ main_offset 39896) main_length), 11585#(<= (+ main_offset 39892) main_length), 11586#(<= (+ main_offset 39888) main_length), 11587#(<= (+ main_offset 39884) main_length), 11588#(<= (+ main_offset 39880) main_length), 11589#(<= (+ main_offset 39876) main_length), 11590#(<= (+ main_offset 39872) main_length), 11591#(<= (+ main_offset 39868) main_length), 11592#(<= (+ main_offset 39864) main_length), 11593#(<= (+ main_offset 39860) main_length), 11594#(<= (+ main_offset 39856) main_length), 11595#(<= (+ main_offset 39852) main_length), 11596#(<= (+ main_offset 39848) main_length), 11597#(<= (+ main_offset 39844) main_length), 11598#(<= (+ main_offset 39840) main_length), 11599#(<= (+ main_offset 39836) main_length), 11600#(<= (+ main_offset 39832) main_length), 11601#(<= (+ main_offset 39828) main_length), 11602#(<= (+ main_offset 39824) main_length), 11603#(<= (+ main_offset 39820) main_length), 11604#(<= (+ main_offset 39816) main_length), 11605#(<= (+ main_offset 39812) main_length), 11606#(<= (+ main_offset 39808) main_length)] [2018-07-23 13:54:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,360 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:54:31,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:54:31,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:54:31,362 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 51 states. [2018-07-23 13:54:31,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:31,406 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:54:31,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:54:31,406 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 99 [2018-07-23 13:54:31,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:31,407 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:54:31,407 INFO L226 Difference]: Without dead ends: 102 [2018-07-23 13:54:31,408 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:54:31,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-07-23 13:54:31,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-07-23 13:54:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-23 13:54:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-07-23 13:54:31,413 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 99 [2018-07-23 13:54:31,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:31,414 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-07-23 13:54:31,414 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:54:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-07-23 13:54:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-07-23 13:54:31,415 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:31,415 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1] [2018-07-23 13:54:31,415 INFO L414 AbstractCegarLoop]: === Iteration 50 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:31,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1416429954, now seen corresponding path program 49 times [2018-07-23 13:54:31,416 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,613 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:31,613 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:54:31,613 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:31,613 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 13:54:31,614 INFO L185 omatonBuilderFactory]: Interpolants [12032#(<= (+ main_offset 39948) main_length), 12033#(<= (+ main_offset 39944) main_length), 12034#(<= (+ main_offset 39940) main_length), 12035#(<= (+ main_offset 39936) main_length), 12036#(<= (+ main_offset 39932) main_length), 12037#(<= (+ main_offset 39928) main_length), 12038#(<= (+ main_offset 39924) main_length), 12039#(<= (+ main_offset 39920) main_length), 12040#(<= (+ main_offset 39916) main_length), 12041#(<= (+ main_offset 39912) main_length), 12042#(<= (+ main_offset 39908) main_length), 12043#(<= (+ main_offset 39904) main_length), 12044#(<= (+ main_offset 39900) main_length), 12045#(<= (+ main_offset 39896) main_length), 12046#(<= (+ main_offset 39892) main_length), 12047#(<= (+ main_offset 39888) main_length), 12048#(<= (+ main_offset 39884) main_length), 12049#(<= (+ main_offset 39880) main_length), 12050#(<= (+ main_offset 39876) main_length), 12051#(<= (+ main_offset 39872) main_length), 12052#(<= (+ main_offset 39868) main_length), 12053#(<= (+ main_offset 39864) main_length), 12054#(<= (+ main_offset 39860) main_length), 12055#(<= (+ main_offset 39856) main_length), 12056#(<= (+ main_offset 39852) main_length), 12057#(<= (+ main_offset 39848) main_length), 12058#(<= (+ main_offset 39844) main_length), 12059#(<= (+ main_offset 39840) main_length), 12060#(<= (+ main_offset 39836) main_length), 12061#(<= (+ main_offset 39832) main_length), 12062#(<= (+ main_offset 39828) main_length), 12063#(<= (+ main_offset 39824) main_length), 12064#(<= (+ main_offset 39820) main_length), 12065#(<= (+ main_offset 39816) main_length), 12066#(<= (+ main_offset 39812) main_length), 12067#(<= (+ main_offset 39808) main_length), 12068#(<= (+ main_offset 39804) main_length), 12017#true, 12018#false, 12019#(<= (+ main_offset 40000) main_length), 12020#(<= (+ main_offset 39996) main_length), 12021#(<= (+ main_offset 39992) main_length), 12022#(<= (+ main_offset 39988) main_length), 12023#(<= (+ main_offset 39984) main_length), 12024#(<= (+ main_offset 39980) main_length), 12025#(<= (+ main_offset 39976) main_length), 12026#(<= (+ main_offset 39972) main_length), 12027#(<= (+ main_offset 39968) main_length), 12028#(<= (+ main_offset 39964) main_length), 12029#(<= (+ main_offset 39960) main_length), 12030#(<= (+ main_offset 39956) main_length), 12031#(<= (+ main_offset 39952) main_length)] [2018-07-23 13:54:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,615 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:54:31,615 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:54:31,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:54:31,616 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 52 states. [2018-07-23 13:54:31,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:31,662 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:54:31,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:54:31,663 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 101 [2018-07-23 13:54:31,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:31,663 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:54:31,664 INFO L226 Difference]: Without dead ends: 104 [2018-07-23 13:54:31,664 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:54:31,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-07-23 13:54:31,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-07-23 13:54:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-07-23 13:54:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2018-07-23 13:54:31,670 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 101 [2018-07-23 13:54:31,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:31,670 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2018-07-23 13:54:31,670 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:54:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2018-07-23 13:54:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-23 13:54:31,671 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:31,671 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1] [2018-07-23 13:54:31,672 INFO L414 AbstractCegarLoop]: === Iteration 51 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:31,672 INFO L82 PathProgramCache]: Analyzing trace with hash -315445948, now seen corresponding path program 50 times [2018-07-23 13:54:31,672 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,881 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:31,881 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:54:31,881 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,882 INFO L185 omatonBuilderFactory]: Interpolants [12487#true, 12488#false, 12489#(<= (+ main_offset 40000) main_length), 12490#(<= (+ main_offset 39996) main_length), 12491#(<= (+ main_offset 39992) main_length), 12492#(<= (+ main_offset 39988) main_length), 12493#(<= (+ main_offset 39984) main_length), 12494#(<= (+ main_offset 39980) main_length), 12495#(<= (+ main_offset 39976) main_length), 12496#(<= (+ main_offset 39972) main_length), 12497#(<= (+ main_offset 39968) main_length), 12498#(<= (+ main_offset 39964) main_length), 12499#(<= (+ main_offset 39960) main_length), 12500#(<= (+ main_offset 39956) main_length), 12501#(<= (+ main_offset 39952) main_length), 12502#(<= (+ main_offset 39948) main_length), 12503#(<= (+ main_offset 39944) main_length), 12504#(<= (+ main_offset 39940) main_length), 12505#(<= (+ main_offset 39936) main_length), 12506#(<= (+ main_offset 39932) main_length), 12507#(<= (+ main_offset 39928) main_length), 12508#(<= (+ main_offset 39924) main_length), 12509#(<= (+ main_offset 39920) main_length), 12510#(<= (+ main_offset 39916) main_length), 12511#(<= (+ main_offset 39912) main_length), 12512#(<= (+ main_offset 39908) main_length), 12513#(<= (+ main_offset 39904) main_length), 12514#(<= (+ main_offset 39900) main_length), 12515#(<= (+ main_offset 39896) main_length), 12516#(<= (+ main_offset 39892) main_length), 12517#(<= (+ main_offset 39888) main_length), 12518#(<= (+ main_offset 39884) main_length), 12519#(<= (+ main_offset 39880) main_length), 12520#(<= (+ main_offset 39876) main_length), 12521#(<= (+ main_offset 39872) main_length), 12522#(<= (+ main_offset 39868) main_length), 12523#(<= (+ main_offset 39864) main_length), 12524#(<= (+ main_offset 39860) main_length), 12525#(<= (+ main_offset 39856) main_length), 12526#(<= (+ main_offset 39852) main_length), 12527#(<= (+ main_offset 39848) main_length), 12528#(<= (+ main_offset 39844) main_length), 12529#(<= (+ main_offset 39840) main_length), 12530#(<= (+ main_offset 39836) main_length), 12531#(<= (+ main_offset 39832) main_length), 12532#(<= (+ main_offset 39828) main_length), 12533#(<= (+ main_offset 39824) main_length), 12534#(<= (+ main_offset 39820) main_length), 12535#(<= (+ main_offset 39816) main_length), 12536#(<= (+ main_offset 39812) main_length), 12537#(<= (+ main_offset 39808) main_length), 12538#(<= (+ main_offset 39804) main_length), 12539#(<= (+ main_offset 39800) main_length)] [2018-07-23 13:54:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:31,883 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:54:31,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:54:31,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:54:31,884 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand 53 states. [2018-07-23 13:54:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:31,946 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:54:31,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:54:31,946 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 103 [2018-07-23 13:54:31,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:31,947 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:54:31,947 INFO L226 Difference]: Without dead ends: 106 [2018-07-23 13:54:31,948 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:54:31,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-07-23 13:54:31,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-07-23 13:54:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-07-23 13:54:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2018-07-23 13:54:31,953 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 103 [2018-07-23 13:54:31,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:31,954 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2018-07-23 13:54:31,954 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:54:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2018-07-23 13:54:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-23 13:54:31,955 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:31,955 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1] [2018-07-23 13:54:31,955 INFO L414 AbstractCegarLoop]: === Iteration 52 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:31,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1799123078, now seen corresponding path program 51 times [2018-07-23 13:54:31,956 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,175 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:32,175 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:54:32,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,176 INFO L185 omatonBuilderFactory]: Interpolants [12966#true, 12967#false, 12968#(<= (+ main_offset 40000) main_length), 12969#(<= (+ main_offset 39996) main_length), 12970#(<= (+ main_offset 39992) main_length), 12971#(<= (+ main_offset 39988) main_length), 12972#(<= (+ main_offset 39984) main_length), 12973#(<= (+ main_offset 39980) main_length), 12974#(<= (+ main_offset 39976) main_length), 12975#(<= (+ main_offset 39972) main_length), 12976#(<= (+ main_offset 39968) main_length), 12977#(<= (+ main_offset 39964) main_length), 12978#(<= (+ main_offset 39960) main_length), 12979#(<= (+ main_offset 39956) main_length), 12980#(<= (+ main_offset 39952) main_length), 12981#(<= (+ main_offset 39948) main_length), 12982#(<= (+ main_offset 39944) main_length), 12983#(<= (+ main_offset 39940) main_length), 12984#(<= (+ main_offset 39936) main_length), 12985#(<= (+ main_offset 39932) main_length), 12986#(<= (+ main_offset 39928) main_length), 12987#(<= (+ main_offset 39924) main_length), 12988#(<= (+ main_offset 39920) main_length), 12989#(<= (+ main_offset 39916) main_length), 12990#(<= (+ main_offset 39912) main_length), 12991#(<= (+ main_offset 39908) main_length), 12992#(<= (+ main_offset 39904) main_length), 12993#(<= (+ main_offset 39900) main_length), 12994#(<= (+ main_offset 39896) main_length), 12995#(<= (+ main_offset 39892) main_length), 12996#(<= (+ main_offset 39888) main_length), 12997#(<= (+ main_offset 39884) main_length), 12998#(<= (+ main_offset 39880) main_length), 12999#(<= (+ main_offset 39876) main_length), 13000#(<= (+ main_offset 39872) main_length), 13001#(<= (+ main_offset 39868) main_length), 13002#(<= (+ main_offset 39864) main_length), 13003#(<= (+ main_offset 39860) main_length), 13004#(<= (+ main_offset 39856) main_length), 13005#(<= (+ main_offset 39852) main_length), 13006#(<= (+ main_offset 39848) main_length), 13007#(<= (+ main_offset 39844) main_length), 13008#(<= (+ main_offset 39840) main_length), 13009#(<= (+ main_offset 39836) main_length), 13010#(<= (+ main_offset 39832) main_length), 13011#(<= (+ main_offset 39828) main_length), 13012#(<= (+ main_offset 39824) main_length), 13013#(<= (+ main_offset 39820) main_length), 13014#(<= (+ main_offset 39816) main_length), 13015#(<= (+ main_offset 39812) main_length), 13016#(<= (+ main_offset 39808) main_length), 13017#(<= (+ main_offset 39804) main_length), 13018#(<= (+ main_offset 39800) main_length), 13019#(<= (+ main_offset 39796) main_length)] [2018-07-23 13:54:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,177 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:54:32,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:54:32,178 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:54:32,178 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 54 states. [2018-07-23 13:54:32,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:32,228 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:54:32,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:54:32,228 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 105 [2018-07-23 13:54:32,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:32,229 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:54:32,229 INFO L226 Difference]: Without dead ends: 108 [2018-07-23 13:54:32,230 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:54:32,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-07-23 13:54:32,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-07-23 13:54:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-23 13:54:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-07-23 13:54:32,235 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 105 [2018-07-23 13:54:32,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:32,235 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-07-23 13:54:32,236 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:54:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-07-23 13:54:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-23 13:54:32,237 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:32,237 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1] [2018-07-23 13:54:32,237 INFO L414 AbstractCegarLoop]: === Iteration 53 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:32,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1914541240, now seen corresponding path program 52 times [2018-07-23 13:54:32,237 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,470 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:32,470 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:54:32,470 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,471 INFO L185 omatonBuilderFactory]: Interpolants [13454#true, 13455#false, 13456#(<= (+ main_offset 40000) main_length), 13457#(<= (+ main_offset 39996) main_length), 13458#(<= (+ main_offset 39992) main_length), 13459#(<= (+ main_offset 39988) main_length), 13460#(<= (+ main_offset 39984) main_length), 13461#(<= (+ main_offset 39980) main_length), 13462#(<= (+ main_offset 39976) main_length), 13463#(<= (+ main_offset 39972) main_length), 13464#(<= (+ main_offset 39968) main_length), 13465#(<= (+ main_offset 39964) main_length), 13466#(<= (+ main_offset 39960) main_length), 13467#(<= (+ main_offset 39956) main_length), 13468#(<= (+ main_offset 39952) main_length), 13469#(<= (+ main_offset 39948) main_length), 13470#(<= (+ main_offset 39944) main_length), 13471#(<= (+ main_offset 39940) main_length), 13472#(<= (+ main_offset 39936) main_length), 13473#(<= (+ main_offset 39932) main_length), 13474#(<= (+ main_offset 39928) main_length), 13475#(<= (+ main_offset 39924) main_length), 13476#(<= (+ main_offset 39920) main_length), 13477#(<= (+ main_offset 39916) main_length), 13478#(<= (+ main_offset 39912) main_length), 13479#(<= (+ main_offset 39908) main_length), 13480#(<= (+ main_offset 39904) main_length), 13481#(<= (+ main_offset 39900) main_length), 13482#(<= (+ main_offset 39896) main_length), 13483#(<= (+ main_offset 39892) main_length), 13484#(<= (+ main_offset 39888) main_length), 13485#(<= (+ main_offset 39884) main_length), 13486#(<= (+ main_offset 39880) main_length), 13487#(<= (+ main_offset 39876) main_length), 13488#(<= (+ main_offset 39872) main_length), 13489#(<= (+ main_offset 39868) main_length), 13490#(<= (+ main_offset 39864) main_length), 13491#(<= (+ main_offset 39860) main_length), 13492#(<= (+ main_offset 39856) main_length), 13493#(<= (+ main_offset 39852) main_length), 13494#(<= (+ main_offset 39848) main_length), 13495#(<= (+ main_offset 39844) main_length), 13496#(<= (+ main_offset 39840) main_length), 13497#(<= (+ main_offset 39836) main_length), 13498#(<= (+ main_offset 39832) main_length), 13499#(<= (+ main_offset 39828) main_length), 13500#(<= (+ main_offset 39824) main_length), 13501#(<= (+ main_offset 39820) main_length), 13502#(<= (+ main_offset 39816) main_length), 13503#(<= (+ main_offset 39812) main_length), 13504#(<= (+ main_offset 39808) main_length), 13505#(<= (+ main_offset 39804) main_length), 13506#(<= (+ main_offset 39800) main_length), 13507#(<= (+ main_offset 39796) main_length), 13508#(<= (+ main_offset 39792) main_length)] [2018-07-23 13:54:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,472 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:54:32,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:54:32,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:54:32,473 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 55 states. [2018-07-23 13:54:32,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:32,539 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:54:32,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:54:32,539 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 107 [2018-07-23 13:54:32,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:32,540 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:54:32,541 INFO L226 Difference]: Without dead ends: 110 [2018-07-23 13:54:32,541 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:54:32,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-07-23 13:54:32,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-07-23 13:54:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-23 13:54:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2018-07-23 13:54:32,547 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 107 [2018-07-23 13:54:32,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:32,547 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2018-07-23 13:54:32,547 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:54:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2018-07-23 13:54:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 13:54:32,548 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:32,549 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1] [2018-07-23 13:54:32,549 INFO L414 AbstractCegarLoop]: === Iteration 54 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:32,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1628127862, now seen corresponding path program 53 times [2018-07-23 13:54:32,549 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,787 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:32,787 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:54:32,787 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,788 INFO L185 omatonBuilderFactory]: Interpolants [13952#false, 13953#(<= (+ main_offset 40000) main_length), 13954#(<= (+ main_offset 39996) main_length), 13955#(<= (+ main_offset 39992) main_length), 13956#(<= (+ main_offset 39988) main_length), 13957#(<= (+ main_offset 39984) main_length), 13958#(<= (+ main_offset 39980) main_length), 13959#(<= (+ main_offset 39976) main_length), 13960#(<= (+ main_offset 39972) main_length), 13961#(<= (+ main_offset 39968) main_length), 13962#(<= (+ main_offset 39964) main_length), 13963#(<= (+ main_offset 39960) main_length), 13964#(<= (+ main_offset 39956) main_length), 13965#(<= (+ main_offset 39952) main_length), 13966#(<= (+ main_offset 39948) main_length), 13967#(<= (+ main_offset 39944) main_length), 13968#(<= (+ main_offset 39940) main_length), 13969#(<= (+ main_offset 39936) main_length), 13970#(<= (+ main_offset 39932) main_length), 13971#(<= (+ main_offset 39928) main_length), 13972#(<= (+ main_offset 39924) main_length), 13973#(<= (+ main_offset 39920) main_length), 13974#(<= (+ main_offset 39916) main_length), 13975#(<= (+ main_offset 39912) main_length), 13976#(<= (+ main_offset 39908) main_length), 13977#(<= (+ main_offset 39904) main_length), 13978#(<= (+ main_offset 39900) main_length), 13979#(<= (+ main_offset 39896) main_length), 13980#(<= (+ main_offset 39892) main_length), 13981#(<= (+ main_offset 39888) main_length), 13982#(<= (+ main_offset 39884) main_length), 13983#(<= (+ main_offset 39880) main_length), 13984#(<= (+ main_offset 39876) main_length), 13985#(<= (+ main_offset 39872) main_length), 13986#(<= (+ main_offset 39868) main_length), 13987#(<= (+ main_offset 39864) main_length), 13988#(<= (+ main_offset 39860) main_length), 13989#(<= (+ main_offset 39856) main_length), 13990#(<= (+ main_offset 39852) main_length), 13991#(<= (+ main_offset 39848) main_length), 13992#(<= (+ main_offset 39844) main_length), 13993#(<= (+ main_offset 39840) main_length), 13994#(<= (+ main_offset 39836) main_length), 13995#(<= (+ main_offset 39832) main_length), 13996#(<= (+ main_offset 39828) main_length), 13997#(<= (+ main_offset 39824) main_length), 13998#(<= (+ main_offset 39820) main_length), 13999#(<= (+ main_offset 39816) main_length), 14000#(<= (+ main_offset 39812) main_length), 14001#(<= (+ main_offset 39808) main_length), 14002#(<= (+ main_offset 39804) main_length), 14003#(<= (+ main_offset 39800) main_length), 14004#(<= (+ main_offset 39796) main_length), 14005#(<= (+ main_offset 39792) main_length), 14006#(<= (+ main_offset 39788) main_length), 13951#true] [2018-07-23 13:54:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,789 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:54:32,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:54:32,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:54:32,790 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 56 states. [2018-07-23 13:54:32,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:32,857 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:54:32,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:54:32,857 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 109 [2018-07-23 13:54:32,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:32,858 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:54:32,859 INFO L226 Difference]: Without dead ends: 112 [2018-07-23 13:54:32,859 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:54:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-07-23 13:54:32,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-07-23 13:54:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-23 13:54:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-07-23 13:54:32,866 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 109 [2018-07-23 13:54:32,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:32,866 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-07-23 13:54:32,866 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:54:32,866 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-07-23 13:54:32,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-07-23 13:54:32,867 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:32,868 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1] [2018-07-23 13:54:32,868 INFO L414 AbstractCegarLoop]: === Iteration 55 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:32,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1262778548, now seen corresponding path program 54 times [2018-07-23 13:54:32,868 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:33,151 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:33,151 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:54:33,152 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:33,152 INFO L185 omatonBuilderFactory]: Interpolants [14464#(<= (+ main_offset 39980) main_length), 14465#(<= (+ main_offset 39976) main_length), 14466#(<= (+ main_offset 39972) main_length), 14467#(<= (+ main_offset 39968) main_length), 14468#(<= (+ main_offset 39964) main_length), 14469#(<= (+ main_offset 39960) main_length), 14470#(<= (+ main_offset 39956) main_length), 14471#(<= (+ main_offset 39952) main_length), 14472#(<= (+ main_offset 39948) main_length), 14473#(<= (+ main_offset 39944) main_length), 14474#(<= (+ main_offset 39940) main_length), 14475#(<= (+ main_offset 39936) main_length), 14476#(<= (+ main_offset 39932) main_length), 14477#(<= (+ main_offset 39928) main_length), 14478#(<= (+ main_offset 39924) main_length), 14479#(<= (+ main_offset 39920) main_length), 14480#(<= (+ main_offset 39916) main_length), 14481#(<= (+ main_offset 39912) main_length), 14482#(<= (+ main_offset 39908) main_length), 14483#(<= (+ main_offset 39904) main_length), 14484#(<= (+ main_offset 39900) main_length), 14485#(<= (+ main_offset 39896) main_length), 14486#(<= (+ main_offset 39892) main_length), 14487#(<= (+ main_offset 39888) main_length), 14488#(<= (+ main_offset 39884) main_length), 14489#(<= (+ main_offset 39880) main_length), 14490#(<= (+ main_offset 39876) main_length), 14491#(<= (+ main_offset 39872) main_length), 14492#(<= (+ main_offset 39868) main_length), 14493#(<= (+ main_offset 39864) main_length), 14494#(<= (+ main_offset 39860) main_length), 14495#(<= (+ main_offset 39856) main_length), 14496#(<= (+ main_offset 39852) main_length), 14497#(<= (+ main_offset 39848) main_length), 14498#(<= (+ main_offset 39844) main_length), 14499#(<= (+ main_offset 39840) main_length), 14500#(<= (+ main_offset 39836) main_length), 14501#(<= (+ main_offset 39832) main_length), 14502#(<= (+ main_offset 39828) main_length), 14503#(<= (+ main_offset 39824) main_length), 14504#(<= (+ main_offset 39820) main_length), 14505#(<= (+ main_offset 39816) main_length), 14506#(<= (+ main_offset 39812) main_length), 14507#(<= (+ main_offset 39808) main_length), 14508#(<= (+ main_offset 39804) main_length), 14509#(<= (+ main_offset 39800) main_length), 14510#(<= (+ main_offset 39796) main_length), 14511#(<= (+ main_offset 39792) main_length), 14512#(<= (+ main_offset 39788) main_length), 14513#(<= (+ main_offset 39784) main_length), 14457#true, 14458#false, 14459#(<= (+ main_offset 40000) main_length), 14460#(<= (+ main_offset 39996) main_length), 14461#(<= (+ main_offset 39992) main_length), 14462#(<= (+ main_offset 39988) main_length), 14463#(<= (+ main_offset 39984) main_length)] [2018-07-23 13:54:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:33,153 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:54:33,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:54:33,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:54:33,155 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 57 states. [2018-07-23 13:54:33,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:33,229 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:54:33,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:54:33,229 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 111 [2018-07-23 13:54:33,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:33,230 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:54:33,230 INFO L226 Difference]: Without dead ends: 114 [2018-07-23 13:54:33,231 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 0 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 13:54:33,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-07-23 13:54:33,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-07-23 13:54:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-07-23 13:54:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-07-23 13:54:33,238 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 111 [2018-07-23 13:54:33,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:33,239 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-07-23 13:54:33,239 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:54:33,239 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-07-23 13:54:33,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 13:54:33,241 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:33,241 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1] [2018-07-23 13:54:33,241 INFO L414 AbstractCegarLoop]: === Iteration 56 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:33,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1945561230, now seen corresponding path program 55 times [2018-07-23 13:54:33,241 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:33,602 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:33,602 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:54:33,603 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:33,603 INFO L185 omatonBuilderFactory]: Interpolants [14976#(<= (+ main_offset 39992) main_length), 14977#(<= (+ main_offset 39988) main_length), 14978#(<= (+ main_offset 39984) main_length), 14979#(<= (+ main_offset 39980) main_length), 14980#(<= (+ main_offset 39976) main_length), 14981#(<= (+ main_offset 39972) main_length), 14982#(<= (+ main_offset 39968) main_length), 14983#(<= (+ main_offset 39964) main_length), 14984#(<= (+ main_offset 39960) main_length), 14985#(<= (+ main_offset 39956) main_length), 14986#(<= (+ main_offset 39952) main_length), 14987#(<= (+ main_offset 39948) main_length), 14988#(<= (+ main_offset 39944) main_length), 14989#(<= (+ main_offset 39940) main_length), 14990#(<= (+ main_offset 39936) main_length), 14991#(<= (+ main_offset 39932) main_length), 14992#(<= (+ main_offset 39928) main_length), 14993#(<= (+ main_offset 39924) main_length), 14994#(<= (+ main_offset 39920) main_length), 14995#(<= (+ main_offset 39916) main_length), 14996#(<= (+ main_offset 39912) main_length), 14997#(<= (+ main_offset 39908) main_length), 14998#(<= (+ main_offset 39904) main_length), 14999#(<= (+ main_offset 39900) main_length), 15000#(<= (+ main_offset 39896) main_length), 15001#(<= (+ main_offset 39892) main_length), 15002#(<= (+ main_offset 39888) main_length), 15003#(<= (+ main_offset 39884) main_length), 15004#(<= (+ main_offset 39880) main_length), 15005#(<= (+ main_offset 39876) main_length), 15006#(<= (+ main_offset 39872) main_length), 15007#(<= (+ main_offset 39868) main_length), 15008#(<= (+ main_offset 39864) main_length), 15009#(<= (+ main_offset 39860) main_length), 15010#(<= (+ main_offset 39856) main_length), 15011#(<= (+ main_offset 39852) main_length), 15012#(<= (+ main_offset 39848) main_length), 15013#(<= (+ main_offset 39844) main_length), 15014#(<= (+ main_offset 39840) main_length), 15015#(<= (+ main_offset 39836) main_length), 15016#(<= (+ main_offset 39832) main_length), 15017#(<= (+ main_offset 39828) main_length), 15018#(<= (+ main_offset 39824) main_length), 15019#(<= (+ main_offset 39820) main_length), 15020#(<= (+ main_offset 39816) main_length), 15021#(<= (+ main_offset 39812) main_length), 15022#(<= (+ main_offset 39808) main_length), 15023#(<= (+ main_offset 39804) main_length), 15024#(<= (+ main_offset 39800) main_length), 15025#(<= (+ main_offset 39796) main_length), 15026#(<= (+ main_offset 39792) main_length), 15027#(<= (+ main_offset 39788) main_length), 15028#(<= (+ main_offset 39784) main_length), 15029#(<= (+ main_offset 39780) main_length), 14972#true, 14973#false, 14974#(<= (+ main_offset 40000) main_length), 14975#(<= (+ main_offset 39996) main_length)] [2018-07-23 13:54:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:33,604 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:54:33,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:54:33,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:54:33,605 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 58 states. [2018-07-23 13:54:33,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:33,679 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:54:33,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:54:33,679 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 113 [2018-07-23 13:54:33,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:33,680 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:54:33,680 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 13:54:33,681 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:54:33,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 13:54:33,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-07-23 13:54:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-07-23 13:54:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2018-07-23 13:54:33,687 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 113 [2018-07-23 13:54:33,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:33,688 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2018-07-23 13:54:33,688 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:54:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2018-07-23 13:54:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-23 13:54:33,689 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:33,689 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1] [2018-07-23 13:54:33,690 INFO L414 AbstractCegarLoop]: === Iteration 57 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:33,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1373569360, now seen corresponding path program 56 times [2018-07-23 13:54:33,690 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:33,947 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:33,947 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:54:33,948 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:33,948 INFO L185 omatonBuilderFactory]: Interpolants [15496#true, 15497#false, 15498#(<= (+ main_offset 40000) main_length), 15499#(<= (+ main_offset 39996) main_length), 15500#(<= (+ main_offset 39992) main_length), 15501#(<= (+ main_offset 39988) main_length), 15502#(<= (+ main_offset 39984) main_length), 15503#(<= (+ main_offset 39980) main_length), 15504#(<= (+ main_offset 39976) main_length), 15505#(<= (+ main_offset 39972) main_length), 15506#(<= (+ main_offset 39968) main_length), 15507#(<= (+ main_offset 39964) main_length), 15508#(<= (+ main_offset 39960) main_length), 15509#(<= (+ main_offset 39956) main_length), 15510#(<= (+ main_offset 39952) main_length), 15511#(<= (+ main_offset 39948) main_length), 15512#(<= (+ main_offset 39944) main_length), 15513#(<= (+ main_offset 39940) main_length), 15514#(<= (+ main_offset 39936) main_length), 15515#(<= (+ main_offset 39932) main_length), 15516#(<= (+ main_offset 39928) main_length), 15517#(<= (+ main_offset 39924) main_length), 15518#(<= (+ main_offset 39920) main_length), 15519#(<= (+ main_offset 39916) main_length), 15520#(<= (+ main_offset 39912) main_length), 15521#(<= (+ main_offset 39908) main_length), 15522#(<= (+ main_offset 39904) main_length), 15523#(<= (+ main_offset 39900) main_length), 15524#(<= (+ main_offset 39896) main_length), 15525#(<= (+ main_offset 39892) main_length), 15526#(<= (+ main_offset 39888) main_length), 15527#(<= (+ main_offset 39884) main_length), 15528#(<= (+ main_offset 39880) main_length), 15529#(<= (+ main_offset 39876) main_length), 15530#(<= (+ main_offset 39872) main_length), 15531#(<= (+ main_offset 39868) main_length), 15532#(<= (+ main_offset 39864) main_length), 15533#(<= (+ main_offset 39860) main_length), 15534#(<= (+ main_offset 39856) main_length), 15535#(<= (+ main_offset 39852) main_length), 15536#(<= (+ main_offset 39848) main_length), 15537#(<= (+ main_offset 39844) main_length), 15538#(<= (+ main_offset 39840) main_length), 15539#(<= (+ main_offset 39836) main_length), 15540#(<= (+ main_offset 39832) main_length), 15541#(<= (+ main_offset 39828) main_length), 15542#(<= (+ main_offset 39824) main_length), 15543#(<= (+ main_offset 39820) main_length), 15544#(<= (+ main_offset 39816) main_length), 15545#(<= (+ main_offset 39812) main_length), 15546#(<= (+ main_offset 39808) main_length), 15547#(<= (+ main_offset 39804) main_length), 15548#(<= (+ main_offset 39800) main_length), 15549#(<= (+ main_offset 39796) main_length), 15550#(<= (+ main_offset 39792) main_length), 15551#(<= (+ main_offset 39788) main_length), 15552#(<= (+ main_offset 39784) main_length), 15553#(<= (+ main_offset 39780) main_length), 15554#(<= (+ main_offset 39776) main_length)] [2018-07-23 13:54:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:33,949 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:54:33,950 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:54:33,950 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:54:33,951 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand 59 states. [2018-07-23 13:54:34,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:34,026 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:54:34,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:54:34,026 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 115 [2018-07-23 13:54:34,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:34,027 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:54:34,027 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 13:54:34,028 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:54:34,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 13:54:34,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-07-23 13:54:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-07-23 13:54:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2018-07-23 13:54:34,033 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 115 [2018-07-23 13:54:34,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:34,034 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2018-07-23 13:54:34,034 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:54:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2018-07-23 13:54:34,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-07-23 13:54:34,035 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:34,035 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1] [2018-07-23 13:54:34,035 INFO L414 AbstractCegarLoop]: === Iteration 58 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:34,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1445196178, now seen corresponding path program 57 times [2018-07-23 13:54:34,036 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:34,281 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:34,281 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:54:34,281 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:34,282 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 13:54:34,282 INFO L185 omatonBuilderFactory]: Interpolants [16029#true, 16030#false, 16031#(<= (+ main_offset 40000) main_length), 16032#(<= (+ main_offset 39996) main_length), 16033#(<= (+ main_offset 39992) main_length), 16034#(<= (+ main_offset 39988) main_length), 16035#(<= (+ main_offset 39984) main_length), 16036#(<= (+ main_offset 39980) main_length), 16037#(<= (+ main_offset 39976) main_length), 16038#(<= (+ main_offset 39972) main_length), 16039#(<= (+ main_offset 39968) main_length), 16040#(<= (+ main_offset 39964) main_length), 16041#(<= (+ main_offset 39960) main_length), 16042#(<= (+ main_offset 39956) main_length), 16043#(<= (+ main_offset 39952) main_length), 16044#(<= (+ main_offset 39948) main_length), 16045#(<= (+ main_offset 39944) main_length), 16046#(<= (+ main_offset 39940) main_length), 16047#(<= (+ main_offset 39936) main_length), 16048#(<= (+ main_offset 39932) main_length), 16049#(<= (+ main_offset 39928) main_length), 16050#(<= (+ main_offset 39924) main_length), 16051#(<= (+ main_offset 39920) main_length), 16052#(<= (+ main_offset 39916) main_length), 16053#(<= (+ main_offset 39912) main_length), 16054#(<= (+ main_offset 39908) main_length), 16055#(<= (+ main_offset 39904) main_length), 16056#(<= (+ main_offset 39900) main_length), 16057#(<= (+ main_offset 39896) main_length), 16058#(<= (+ main_offset 39892) main_length), 16059#(<= (+ main_offset 39888) main_length), 16060#(<= (+ main_offset 39884) main_length), 16061#(<= (+ main_offset 39880) main_length), 16062#(<= (+ main_offset 39876) main_length), 16063#(<= (+ main_offset 39872) main_length), 16064#(<= (+ main_offset 39868) main_length), 16065#(<= (+ main_offset 39864) main_length), 16066#(<= (+ main_offset 39860) main_length), 16067#(<= (+ main_offset 39856) main_length), 16068#(<= (+ main_offset 39852) main_length), 16069#(<= (+ main_offset 39848) main_length), 16070#(<= (+ main_offset 39844) main_length), 16071#(<= (+ main_offset 39840) main_length), 16072#(<= (+ main_offset 39836) main_length), 16073#(<= (+ main_offset 39832) main_length), 16074#(<= (+ main_offset 39828) main_length), 16075#(<= (+ main_offset 39824) main_length), 16076#(<= (+ main_offset 39820) main_length), 16077#(<= (+ main_offset 39816) main_length), 16078#(<= (+ main_offset 39812) main_length), 16079#(<= (+ main_offset 39808) main_length), 16080#(<= (+ main_offset 39804) main_length), 16081#(<= (+ main_offset 39800) main_length), 16082#(<= (+ main_offset 39796) main_length), 16083#(<= (+ main_offset 39792) main_length), 16084#(<= (+ main_offset 39788) main_length), 16085#(<= (+ main_offset 39784) main_length), 16086#(<= (+ main_offset 39780) main_length), 16087#(<= (+ main_offset 39776) main_length), 16088#(<= (+ main_offset 39772) main_length)] [2018-07-23 13:54:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:34,283 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:54:34,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:54:34,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:54:34,284 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand 60 states. [2018-07-23 13:54:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:34,346 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:54:34,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:54:34,346 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 117 [2018-07-23 13:54:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:34,347 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:54:34,347 INFO L226 Difference]: Without dead ends: 120 [2018-07-23 13:54:34,348 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:54:34,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-07-23 13:54:34,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-07-23 13:54:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-07-23 13:54:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-07-23 13:54:34,353 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 117 [2018-07-23 13:54:34,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:34,354 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-07-23 13:54:34,354 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:54:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-07-23 13:54:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-23 13:54:34,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:34,355 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1] [2018-07-23 13:54:34,355 INFO L414 AbstractCegarLoop]: === Iteration 59 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:34,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1559091540, now seen corresponding path program 58 times [2018-07-23 13:54:34,355 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:34,608 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:34,609 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:54:34,609 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:34,609 INFO L185 omatonBuilderFactory]: Interpolants [16571#true, 16572#false, 16573#(<= (+ main_offset 40000) main_length), 16574#(<= (+ main_offset 39996) main_length), 16575#(<= (+ main_offset 39992) main_length), 16576#(<= (+ main_offset 39988) main_length), 16577#(<= (+ main_offset 39984) main_length), 16578#(<= (+ main_offset 39980) main_length), 16579#(<= (+ main_offset 39976) main_length), 16580#(<= (+ main_offset 39972) main_length), 16581#(<= (+ main_offset 39968) main_length), 16582#(<= (+ main_offset 39964) main_length), 16583#(<= (+ main_offset 39960) main_length), 16584#(<= (+ main_offset 39956) main_length), 16585#(<= (+ main_offset 39952) main_length), 16586#(<= (+ main_offset 39948) main_length), 16587#(<= (+ main_offset 39944) main_length), 16588#(<= (+ main_offset 39940) main_length), 16589#(<= (+ main_offset 39936) main_length), 16590#(<= (+ main_offset 39932) main_length), 16591#(<= (+ main_offset 39928) main_length), 16592#(<= (+ main_offset 39924) main_length), 16593#(<= (+ main_offset 39920) main_length), 16594#(<= (+ main_offset 39916) main_length), 16595#(<= (+ main_offset 39912) main_length), 16596#(<= (+ main_offset 39908) main_length), 16597#(<= (+ main_offset 39904) main_length), 16598#(<= (+ main_offset 39900) main_length), 16599#(<= (+ main_offset 39896) main_length), 16600#(<= (+ main_offset 39892) main_length), 16601#(<= (+ main_offset 39888) main_length), 16602#(<= (+ main_offset 39884) main_length), 16603#(<= (+ main_offset 39880) main_length), 16604#(<= (+ main_offset 39876) main_length), 16605#(<= (+ main_offset 39872) main_length), 16606#(<= (+ main_offset 39868) main_length), 16607#(<= (+ main_offset 39864) main_length), 16608#(<= (+ main_offset 39860) main_length), 16609#(<= (+ main_offset 39856) main_length), 16610#(<= (+ main_offset 39852) main_length), 16611#(<= (+ main_offset 39848) main_length), 16612#(<= (+ main_offset 39844) main_length), 16613#(<= (+ main_offset 39840) main_length), 16614#(<= (+ main_offset 39836) main_length), 16615#(<= (+ main_offset 39832) main_length), 16616#(<= (+ main_offset 39828) main_length), 16617#(<= (+ main_offset 39824) main_length), 16618#(<= (+ main_offset 39820) main_length), 16619#(<= (+ main_offset 39816) main_length), 16620#(<= (+ main_offset 39812) main_length), 16621#(<= (+ main_offset 39808) main_length), 16622#(<= (+ main_offset 39804) main_length), 16623#(<= (+ main_offset 39800) main_length), 16624#(<= (+ main_offset 39796) main_length), 16625#(<= (+ main_offset 39792) main_length), 16626#(<= (+ main_offset 39788) main_length), 16627#(<= (+ main_offset 39784) main_length), 16628#(<= (+ main_offset 39780) main_length), 16629#(<= (+ main_offset 39776) main_length), 16630#(<= (+ main_offset 39772) main_length), 16631#(<= (+ main_offset 39768) main_length)] [2018-07-23 13:54:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:34,610 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:54:34,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:54:34,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:54:34,612 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 61 states. [2018-07-23 13:54:34,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:34,684 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:54:34,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:54:34,684 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 119 [2018-07-23 13:54:34,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:34,685 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:54:34,685 INFO L226 Difference]: Without dead ends: 122 [2018-07-23 13:54:34,686 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:54:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-07-23 13:54:34,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-07-23 13:54:34,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-07-23 13:54:34,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 122 transitions. [2018-07-23 13:54:34,692 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 122 transitions. Word has length 119 [2018-07-23 13:54:34,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:34,692 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 122 transitions. [2018-07-23 13:54:34,692 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:54:34,692 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 122 transitions. [2018-07-23 13:54:34,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-23 13:54:34,693 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:34,693 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1] [2018-07-23 13:54:34,693 INFO L414 AbstractCegarLoop]: === Iteration 60 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:34,694 INFO L82 PathProgramCache]: Analyzing trace with hash -656615274, now seen corresponding path program 59 times [2018-07-23 13:54:34,694 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:34,951 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:34,951 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:54:34,951 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:34,951 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 13:54:34,952 INFO L185 omatonBuilderFactory]: Interpolants [17152#(<= (+ main_offset 39888) main_length), 17153#(<= (+ main_offset 39884) main_length), 17154#(<= (+ main_offset 39880) main_length), 17155#(<= (+ main_offset 39876) main_length), 17156#(<= (+ main_offset 39872) main_length), 17157#(<= (+ main_offset 39868) main_length), 17158#(<= (+ main_offset 39864) main_length), 17159#(<= (+ main_offset 39860) main_length), 17160#(<= (+ main_offset 39856) main_length), 17161#(<= (+ main_offset 39852) main_length), 17162#(<= (+ main_offset 39848) main_length), 17163#(<= (+ main_offset 39844) main_length), 17164#(<= (+ main_offset 39840) main_length), 17165#(<= (+ main_offset 39836) main_length), 17166#(<= (+ main_offset 39832) main_length), 17167#(<= (+ main_offset 39828) main_length), 17168#(<= (+ main_offset 39824) main_length), 17169#(<= (+ main_offset 39820) main_length), 17170#(<= (+ main_offset 39816) main_length), 17171#(<= (+ main_offset 39812) main_length), 17172#(<= (+ main_offset 39808) main_length), 17173#(<= (+ main_offset 39804) main_length), 17174#(<= (+ main_offset 39800) main_length), 17175#(<= (+ main_offset 39796) main_length), 17176#(<= (+ main_offset 39792) main_length), 17177#(<= (+ main_offset 39788) main_length), 17178#(<= (+ main_offset 39784) main_length), 17179#(<= (+ main_offset 39780) main_length), 17180#(<= (+ main_offset 39776) main_length), 17181#(<= (+ main_offset 39772) main_length), 17182#(<= (+ main_offset 39768) main_length), 17183#(<= (+ main_offset 39764) main_length), 17122#true, 17123#false, 17124#(<= (+ main_offset 40000) main_length), 17125#(<= (+ main_offset 39996) main_length), 17126#(<= (+ main_offset 39992) main_length), 17127#(<= (+ main_offset 39988) main_length), 17128#(<= (+ main_offset 39984) main_length), 17129#(<= (+ main_offset 39980) main_length), 17130#(<= (+ main_offset 39976) main_length), 17131#(<= (+ main_offset 39972) main_length), 17132#(<= (+ main_offset 39968) main_length), 17133#(<= (+ main_offset 39964) main_length), 17134#(<= (+ main_offset 39960) main_length), 17135#(<= (+ main_offset 39956) main_length), 17136#(<= (+ main_offset 39952) main_length), 17137#(<= (+ main_offset 39948) main_length), 17138#(<= (+ main_offset 39944) main_length), 17139#(<= (+ main_offset 39940) main_length), 17140#(<= (+ main_offset 39936) main_length), 17141#(<= (+ main_offset 39932) main_length), 17142#(<= (+ main_offset 39928) main_length), 17143#(<= (+ main_offset 39924) main_length), 17144#(<= (+ main_offset 39920) main_length), 17145#(<= (+ main_offset 39916) main_length), 17146#(<= (+ main_offset 39912) main_length), 17147#(<= (+ main_offset 39908) main_length), 17148#(<= (+ main_offset 39904) main_length), 17149#(<= (+ main_offset 39900) main_length), 17150#(<= (+ main_offset 39896) main_length), 17151#(<= (+ main_offset 39892) main_length)] [2018-07-23 13:54:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:34,953 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:54:34,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:54:34,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:54:34,954 INFO L87 Difference]: Start difference. First operand 122 states and 122 transitions. Second operand 62 states. [2018-07-23 13:54:35,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:35,005 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:54:35,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:54:35,005 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 121 [2018-07-23 13:54:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:35,006 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:54:35,007 INFO L226 Difference]: Without dead ends: 124 [2018-07-23 13:54:35,007 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:54:35,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-07-23 13:54:35,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-07-23 13:54:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-07-23 13:54:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-07-23 13:54:35,013 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 121 [2018-07-23 13:54:35,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:35,013 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-07-23 13:54:35,013 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:54:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-07-23 13:54:35,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-07-23 13:54:35,014 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:35,014 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1] [2018-07-23 13:54:35,015 INFO L414 AbstractCegarLoop]: === Iteration 61 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:35,015 INFO L82 PathProgramCache]: Analyzing trace with hash 352915288, now seen corresponding path program 60 times [2018-07-23 13:54:35,015 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:35,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:35,286 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:35,286 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:54:35,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:35,287 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 13:54:35,287 INFO L185 omatonBuilderFactory]: Interpolants [17682#true, 17683#false, 17684#(<= (+ main_offset 40000) main_length), 17685#(<= (+ main_offset 39996) main_length), 17686#(<= (+ main_offset 39992) main_length), 17687#(<= (+ main_offset 39988) main_length), 17688#(<= (+ main_offset 39984) main_length), 17689#(<= (+ main_offset 39980) main_length), 17690#(<= (+ main_offset 39976) main_length), 17691#(<= (+ main_offset 39972) main_length), 17692#(<= (+ main_offset 39968) main_length), 17693#(<= (+ main_offset 39964) main_length), 17694#(<= (+ main_offset 39960) main_length), 17695#(<= (+ main_offset 39956) main_length), 17696#(<= (+ main_offset 39952) main_length), 17697#(<= (+ main_offset 39948) main_length), 17698#(<= (+ main_offset 39944) main_length), 17699#(<= (+ main_offset 39940) main_length), 17700#(<= (+ main_offset 39936) main_length), 17701#(<= (+ main_offset 39932) main_length), 17702#(<= (+ main_offset 39928) main_length), 17703#(<= (+ main_offset 39924) main_length), 17704#(<= (+ main_offset 39920) main_length), 17705#(<= (+ main_offset 39916) main_length), 17706#(<= (+ main_offset 39912) main_length), 17707#(<= (+ main_offset 39908) main_length), 17708#(<= (+ main_offset 39904) main_length), 17709#(<= (+ main_offset 39900) main_length), 17710#(<= (+ main_offset 39896) main_length), 17711#(<= (+ main_offset 39892) main_length), 17712#(<= (+ main_offset 39888) main_length), 17713#(<= (+ main_offset 39884) main_length), 17714#(<= (+ main_offset 39880) main_length), 17715#(<= (+ main_offset 39876) main_length), 17716#(<= (+ main_offset 39872) main_length), 17717#(<= (+ main_offset 39868) main_length), 17718#(<= (+ main_offset 39864) main_length), 17719#(<= (+ main_offset 39860) main_length), 17720#(<= (+ main_offset 39856) main_length), 17721#(<= (+ main_offset 39852) main_length), 17722#(<= (+ main_offset 39848) main_length), 17723#(<= (+ main_offset 39844) main_length), 17724#(<= (+ main_offset 39840) main_length), 17725#(<= (+ main_offset 39836) main_length), 17726#(<= (+ main_offset 39832) main_length), 17727#(<= (+ main_offset 39828) main_length), 17728#(<= (+ main_offset 39824) main_length), 17729#(<= (+ main_offset 39820) main_length), 17730#(<= (+ main_offset 39816) main_length), 17731#(<= (+ main_offset 39812) main_length), 17732#(<= (+ main_offset 39808) main_length), 17733#(<= (+ main_offset 39804) main_length), 17734#(<= (+ main_offset 39800) main_length), 17735#(<= (+ main_offset 39796) main_length), 17736#(<= (+ main_offset 39792) main_length), 17737#(<= (+ main_offset 39788) main_length), 17738#(<= (+ main_offset 39784) main_length), 17739#(<= (+ main_offset 39780) main_length), 17740#(<= (+ main_offset 39776) main_length), 17741#(<= (+ main_offset 39772) main_length), 17742#(<= (+ main_offset 39768) main_length), 17743#(<= (+ main_offset 39764) main_length), 17744#(<= (+ main_offset 39760) main_length)] [2018-07-23 13:54:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:35,288 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:54:35,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:54:35,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:54:35,289 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 63 states. [2018-07-23 13:54:35,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:35,365 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:54:35,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:54:35,366 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 123 [2018-07-23 13:54:35,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:35,367 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:54:35,367 INFO L226 Difference]: Without dead ends: 126 [2018-07-23 13:54:35,368 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:54:35,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-07-23 13:54:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-07-23 13:54:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-07-23 13:54:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-07-23 13:54:35,374 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 123 [2018-07-23 13:54:35,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:35,375 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-07-23 13:54:35,375 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:54:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-07-23 13:54:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 13:54:35,376 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:35,376 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1] [2018-07-23 13:54:35,376 INFO L414 AbstractCegarLoop]: === Iteration 62 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:35,376 INFO L82 PathProgramCache]: Analyzing trace with hash -150823526, now seen corresponding path program 61 times [2018-07-23 13:54:35,377 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:35,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:35,642 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:35,642 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:54:35,642 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:35,643 INFO L185 omatonBuilderFactory]: Interpolants [18304#(<= (+ main_offset 39796) main_length), 18305#(<= (+ main_offset 39792) main_length), 18306#(<= (+ main_offset 39788) main_length), 18307#(<= (+ main_offset 39784) main_length), 18308#(<= (+ main_offset 39780) main_length), 18309#(<= (+ main_offset 39776) main_length), 18310#(<= (+ main_offset 39772) main_length), 18311#(<= (+ main_offset 39768) main_length), 18312#(<= (+ main_offset 39764) main_length), 18313#(<= (+ main_offset 39760) main_length), 18314#(<= (+ main_offset 39756) main_length), 18251#true, 18252#false, 18253#(<= (+ main_offset 40000) main_length), 18254#(<= (+ main_offset 39996) main_length), 18255#(<= (+ main_offset 39992) main_length), 18256#(<= (+ main_offset 39988) main_length), 18257#(<= (+ main_offset 39984) main_length), 18258#(<= (+ main_offset 39980) main_length), 18259#(<= (+ main_offset 39976) main_length), 18260#(<= (+ main_offset 39972) main_length), 18261#(<= (+ main_offset 39968) main_length), 18262#(<= (+ main_offset 39964) main_length), 18263#(<= (+ main_offset 39960) main_length), 18264#(<= (+ main_offset 39956) main_length), 18265#(<= (+ main_offset 39952) main_length), 18266#(<= (+ main_offset 39948) main_length), 18267#(<= (+ main_offset 39944) main_length), 18268#(<= (+ main_offset 39940) main_length), 18269#(<= (+ main_offset 39936) main_length), 18270#(<= (+ main_offset 39932) main_length), 18271#(<= (+ main_offset 39928) main_length), 18272#(<= (+ main_offset 39924) main_length), 18273#(<= (+ main_offset 39920) main_length), 18274#(<= (+ main_offset 39916) main_length), 18275#(<= (+ main_offset 39912) main_length), 18276#(<= (+ main_offset 39908) main_length), 18277#(<= (+ main_offset 39904) main_length), 18278#(<= (+ main_offset 39900) main_length), 18279#(<= (+ main_offset 39896) main_length), 18280#(<= (+ main_offset 39892) main_length), 18281#(<= (+ main_offset 39888) main_length), 18282#(<= (+ main_offset 39884) main_length), 18283#(<= (+ main_offset 39880) main_length), 18284#(<= (+ main_offset 39876) main_length), 18285#(<= (+ main_offset 39872) main_length), 18286#(<= (+ main_offset 39868) main_length), 18287#(<= (+ main_offset 39864) main_length), 18288#(<= (+ main_offset 39860) main_length), 18289#(<= (+ main_offset 39856) main_length), 18290#(<= (+ main_offset 39852) main_length), 18291#(<= (+ main_offset 39848) main_length), 18292#(<= (+ main_offset 39844) main_length), 18293#(<= (+ main_offset 39840) main_length), 18294#(<= (+ main_offset 39836) main_length), 18295#(<= (+ main_offset 39832) main_length), 18296#(<= (+ main_offset 39828) main_length), 18297#(<= (+ main_offset 39824) main_length), 18298#(<= (+ main_offset 39820) main_length), 18299#(<= (+ main_offset 39816) main_length), 18300#(<= (+ main_offset 39812) main_length), 18301#(<= (+ main_offset 39808) main_length), 18302#(<= (+ main_offset 39804) main_length), 18303#(<= (+ main_offset 39800) main_length)] [2018-07-23 13:54:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:35,645 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:54:35,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:54:35,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:54:35,647 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 64 states. [2018-07-23 13:54:35,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:35,707 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:54:35,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:54:35,707 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 125 [2018-07-23 13:54:35,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:35,708 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:54:35,708 INFO L226 Difference]: Without dead ends: 128 [2018-07-23 13:54:35,709 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:54:35,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-07-23 13:54:35,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-07-23 13:54:35,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-07-23 13:54:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 128 transitions. [2018-07-23 13:54:35,714 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 128 transitions. Word has length 125 [2018-07-23 13:54:35,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:35,715 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 128 transitions. [2018-07-23 13:54:35,715 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:54:35,715 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 128 transitions. [2018-07-23 13:54:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-23 13:54:35,716 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:35,716 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1] [2018-07-23 13:54:35,716 INFO L414 AbstractCegarLoop]: === Iteration 63 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:35,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1087480668, now seen corresponding path program 62 times [2018-07-23 13:54:35,717 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:35,992 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:35,993 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:54:35,993 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:35,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:35,994 INFO L185 omatonBuilderFactory]: Interpolants [18829#true, 18830#false, 18831#(<= (+ main_offset 40000) main_length), 18832#(<= (+ main_offset 39996) main_length), 18833#(<= (+ main_offset 39992) main_length), 18834#(<= (+ main_offset 39988) main_length), 18835#(<= (+ main_offset 39984) main_length), 18836#(<= (+ main_offset 39980) main_length), 18837#(<= (+ main_offset 39976) main_length), 18838#(<= (+ main_offset 39972) main_length), 18839#(<= (+ main_offset 39968) main_length), 18840#(<= (+ main_offset 39964) main_length), 18841#(<= (+ main_offset 39960) main_length), 18842#(<= (+ main_offset 39956) main_length), 18843#(<= (+ main_offset 39952) main_length), 18844#(<= (+ main_offset 39948) main_length), 18845#(<= (+ main_offset 39944) main_length), 18846#(<= (+ main_offset 39940) main_length), 18847#(<= (+ main_offset 39936) main_length), 18848#(<= (+ main_offset 39932) main_length), 18849#(<= (+ main_offset 39928) main_length), 18850#(<= (+ main_offset 39924) main_length), 18851#(<= (+ main_offset 39920) main_length), 18852#(<= (+ main_offset 39916) main_length), 18853#(<= (+ main_offset 39912) main_length), 18854#(<= (+ main_offset 39908) main_length), 18855#(<= (+ main_offset 39904) main_length), 18856#(<= (+ main_offset 39900) main_length), 18857#(<= (+ main_offset 39896) main_length), 18858#(<= (+ main_offset 39892) main_length), 18859#(<= (+ main_offset 39888) main_length), 18860#(<= (+ main_offset 39884) main_length), 18861#(<= (+ main_offset 39880) main_length), 18862#(<= (+ main_offset 39876) main_length), 18863#(<= (+ main_offset 39872) main_length), 18864#(<= (+ main_offset 39868) main_length), 18865#(<= (+ main_offset 39864) main_length), 18866#(<= (+ main_offset 39860) main_length), 18867#(<= (+ main_offset 39856) main_length), 18868#(<= (+ main_offset 39852) main_length), 18869#(<= (+ main_offset 39848) main_length), 18870#(<= (+ main_offset 39844) main_length), 18871#(<= (+ main_offset 39840) main_length), 18872#(<= (+ main_offset 39836) main_length), 18873#(<= (+ main_offset 39832) main_length), 18874#(<= (+ main_offset 39828) main_length), 18875#(<= (+ main_offset 39824) main_length), 18876#(<= (+ main_offset 39820) main_length), 18877#(<= (+ main_offset 39816) main_length), 18878#(<= (+ main_offset 39812) main_length), 18879#(<= (+ main_offset 39808) main_length), 18880#(<= (+ main_offset 39804) main_length), 18881#(<= (+ main_offset 39800) main_length), 18882#(<= (+ main_offset 39796) main_length), 18883#(<= (+ main_offset 39792) main_length), 18884#(<= (+ main_offset 39788) main_length), 18885#(<= (+ main_offset 39784) main_length), 18886#(<= (+ main_offset 39780) main_length), 18887#(<= (+ main_offset 39776) main_length), 18888#(<= (+ main_offset 39772) main_length), 18889#(<= (+ main_offset 39768) main_length), 18890#(<= (+ main_offset 39764) main_length), 18891#(<= (+ main_offset 39760) main_length), 18892#(<= (+ main_offset 39756) main_length), 18893#(<= (+ main_offset 39752) main_length)] [2018-07-23 13:54:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:35,994 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:54:35,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:54:35,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:54:35,996 INFO L87 Difference]: Start difference. First operand 128 states and 128 transitions. Second operand 65 states. [2018-07-23 13:54:36,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:36,076 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:54:36,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:54:36,076 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 127 [2018-07-23 13:54:36,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:36,077 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:54:36,077 INFO L226 Difference]: Without dead ends: 130 [2018-07-23 13:54:36,078 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:54:36,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-07-23 13:54:36,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-07-23 13:54:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-07-23 13:54:36,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-07-23 13:54:36,083 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 127 [2018-07-23 13:54:36,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:36,083 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-07-23 13:54:36,083 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:54:36,084 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-07-23 13:54:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-23 13:54:36,085 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:36,085 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1] [2018-07-23 13:54:36,085 INFO L414 AbstractCegarLoop]: === Iteration 64 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:36,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1391870110, now seen corresponding path program 63 times [2018-07-23 13:54:36,085 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:36,321 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:36,322 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:54:36,322 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:36,323 INFO L185 omatonBuilderFactory]: Interpolants [19456#(<= (+ main_offset 39848) main_length), 19457#(<= (+ main_offset 39844) main_length), 19458#(<= (+ main_offset 39840) main_length), 19459#(<= (+ main_offset 39836) main_length), 19460#(<= (+ main_offset 39832) main_length), 19461#(<= (+ main_offset 39828) main_length), 19462#(<= (+ main_offset 39824) main_length), 19463#(<= (+ main_offset 39820) main_length), 19464#(<= (+ main_offset 39816) main_length), 19465#(<= (+ main_offset 39812) main_length), 19466#(<= (+ main_offset 39808) main_length), 19467#(<= (+ main_offset 39804) main_length), 19468#(<= (+ main_offset 39800) main_length), 19469#(<= (+ main_offset 39796) main_length), 19470#(<= (+ main_offset 39792) main_length), 19471#(<= (+ main_offset 39788) main_length), 19472#(<= (+ main_offset 39784) main_length), 19473#(<= (+ main_offset 39780) main_length), 19474#(<= (+ main_offset 39776) main_length), 19475#(<= (+ main_offset 39772) main_length), 19476#(<= (+ main_offset 39768) main_length), 19477#(<= (+ main_offset 39764) main_length), 19478#(<= (+ main_offset 39760) main_length), 19479#(<= (+ main_offset 39756) main_length), 19480#(<= (+ main_offset 39752) main_length), 19481#(<= (+ main_offset 39748) main_length), 19416#true, 19417#false, 19418#(<= (+ main_offset 40000) main_length), 19419#(<= (+ main_offset 39996) main_length), 19420#(<= (+ main_offset 39992) main_length), 19421#(<= (+ main_offset 39988) main_length), 19422#(<= (+ main_offset 39984) main_length), 19423#(<= (+ main_offset 39980) main_length), 19424#(<= (+ main_offset 39976) main_length), 19425#(<= (+ main_offset 39972) main_length), 19426#(<= (+ main_offset 39968) main_length), 19427#(<= (+ main_offset 39964) main_length), 19428#(<= (+ main_offset 39960) main_length), 19429#(<= (+ main_offset 39956) main_length), 19430#(<= (+ main_offset 39952) main_length), 19431#(<= (+ main_offset 39948) main_length), 19432#(<= (+ main_offset 39944) main_length), 19433#(<= (+ main_offset 39940) main_length), 19434#(<= (+ main_offset 39936) main_length), 19435#(<= (+ main_offset 39932) main_length), 19436#(<= (+ main_offset 39928) main_length), 19437#(<= (+ main_offset 39924) main_length), 19438#(<= (+ main_offset 39920) main_length), 19439#(<= (+ main_offset 39916) main_length), 19440#(<= (+ main_offset 39912) main_length), 19441#(<= (+ main_offset 39908) main_length), 19442#(<= (+ main_offset 39904) main_length), 19443#(<= (+ main_offset 39900) main_length), 19444#(<= (+ main_offset 39896) main_length), 19445#(<= (+ main_offset 39892) main_length), 19446#(<= (+ main_offset 39888) main_length), 19447#(<= (+ main_offset 39884) main_length), 19448#(<= (+ main_offset 39880) main_length), 19449#(<= (+ main_offset 39876) main_length), 19450#(<= (+ main_offset 39872) main_length), 19451#(<= (+ main_offset 39868) main_length), 19452#(<= (+ main_offset 39864) main_length), 19453#(<= (+ main_offset 39860) main_length), 19454#(<= (+ main_offset 39856) main_length), 19455#(<= (+ main_offset 39852) main_length)] [2018-07-23 13:54:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:36,324 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:54:36,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:54:36,325 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:54:36,325 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 66 states. [2018-07-23 13:54:36,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:36,376 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:54:36,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:54:36,376 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 129 [2018-07-23 13:54:36,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:36,377 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:54:36,378 INFO L226 Difference]: Without dead ends: 132 [2018-07-23 13:54:36,379 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:54:36,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-23 13:54:36,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-07-23 13:54:36,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-07-23 13:54:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-07-23 13:54:36,385 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 129 [2018-07-23 13:54:36,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:36,385 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-07-23 13:54:36,385 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:54:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-07-23 13:54:36,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 13:54:36,386 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:36,387 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1] [2018-07-23 13:54:36,387 INFO L414 AbstractCegarLoop]: === Iteration 65 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:36,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1852347744, now seen corresponding path program 64 times [2018-07-23 13:54:36,387 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:36,654 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:36,654 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:54:36,654 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:36,655 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 13:54:36,655 INFO L185 omatonBuilderFactory]: Interpolants [20012#true, 20013#false, 20014#(<= (+ main_offset 40000) main_length), 20015#(<= (+ main_offset 39996) main_length), 20016#(<= (+ main_offset 39992) main_length), 20017#(<= (+ main_offset 39988) main_length), 20018#(<= (+ main_offset 39984) main_length), 20019#(<= (+ main_offset 39980) main_length), 20020#(<= (+ main_offset 39976) main_length), 20021#(<= (+ main_offset 39972) main_length), 20022#(<= (+ main_offset 39968) main_length), 20023#(<= (+ main_offset 39964) main_length), 20024#(<= (+ main_offset 39960) main_length), 20025#(<= (+ main_offset 39956) main_length), 20026#(<= (+ main_offset 39952) main_length), 20027#(<= (+ main_offset 39948) main_length), 20028#(<= (+ main_offset 39944) main_length), 20029#(<= (+ main_offset 39940) main_length), 20030#(<= (+ main_offset 39936) main_length), 20031#(<= (+ main_offset 39932) main_length), 20032#(<= (+ main_offset 39928) main_length), 20033#(<= (+ main_offset 39924) main_length), 20034#(<= (+ main_offset 39920) main_length), 20035#(<= (+ main_offset 39916) main_length), 20036#(<= (+ main_offset 39912) main_length), 20037#(<= (+ main_offset 39908) main_length), 20038#(<= (+ main_offset 39904) main_length), 20039#(<= (+ main_offset 39900) main_length), 20040#(<= (+ main_offset 39896) main_length), 20041#(<= (+ main_offset 39892) main_length), 20042#(<= (+ main_offset 39888) main_length), 20043#(<= (+ main_offset 39884) main_length), 20044#(<= (+ main_offset 39880) main_length), 20045#(<= (+ main_offset 39876) main_length), 20046#(<= (+ main_offset 39872) main_length), 20047#(<= (+ main_offset 39868) main_length), 20048#(<= (+ main_offset 39864) main_length), 20049#(<= (+ main_offset 39860) main_length), 20050#(<= (+ main_offset 39856) main_length), 20051#(<= (+ main_offset 39852) main_length), 20052#(<= (+ main_offset 39848) main_length), 20053#(<= (+ main_offset 39844) main_length), 20054#(<= (+ main_offset 39840) main_length), 20055#(<= (+ main_offset 39836) main_length), 20056#(<= (+ main_offset 39832) main_length), 20057#(<= (+ main_offset 39828) main_length), 20058#(<= (+ main_offset 39824) main_length), 20059#(<= (+ main_offset 39820) main_length), 20060#(<= (+ main_offset 39816) main_length), 20061#(<= (+ main_offset 39812) main_length), 20062#(<= (+ main_offset 39808) main_length), 20063#(<= (+ main_offset 39804) main_length), 20064#(<= (+ main_offset 39800) main_length), 20065#(<= (+ main_offset 39796) main_length), 20066#(<= (+ main_offset 39792) main_length), 20067#(<= (+ main_offset 39788) main_length), 20068#(<= (+ main_offset 39784) main_length), 20069#(<= (+ main_offset 39780) main_length), 20070#(<= (+ main_offset 39776) main_length), 20071#(<= (+ main_offset 39772) main_length), 20072#(<= (+ main_offset 39768) main_length), 20073#(<= (+ main_offset 39764) main_length), 20074#(<= (+ main_offset 39760) main_length), 20075#(<= (+ main_offset 39756) main_length), 20076#(<= (+ main_offset 39752) main_length), 20077#(<= (+ main_offset 39748) main_length), 20078#(<= (+ main_offset 39744) main_length)] [2018-07-23 13:54:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:36,656 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:54:36,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:54:36,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:54:36,658 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 67 states. [2018-07-23 13:54:36,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:36,739 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:54:36,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:54:36,739 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 131 [2018-07-23 13:54:36,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:36,740 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:54:36,741 INFO L226 Difference]: Without dead ends: 134 [2018-07-23 13:54:36,741 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:54:36,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-23 13:54:36,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-07-23 13:54:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-07-23 13:54:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 134 transitions. [2018-07-23 13:54:36,748 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 134 transitions. Word has length 131 [2018-07-23 13:54:36,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:36,749 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 134 transitions. [2018-07-23 13:54:36,749 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:54:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 134 transitions. [2018-07-23 13:54:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-23 13:54:36,750 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:36,751 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1] [2018-07-23 13:54:36,751 INFO L414 AbstractCegarLoop]: === Iteration 66 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:36,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1989722530, now seen corresponding path program 65 times [2018-07-23 13:54:36,751 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:37,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:37,025 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:37,025 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:54:37,025 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:37,026 INFO L185 omatonBuilderFactory]: Interpolants [20617#true, 20618#false, 20619#(<= (+ main_offset 40000) main_length), 20620#(<= (+ main_offset 39996) main_length), 20621#(<= (+ main_offset 39992) main_length), 20622#(<= (+ main_offset 39988) main_length), 20623#(<= (+ main_offset 39984) main_length), 20624#(<= (+ main_offset 39980) main_length), 20625#(<= (+ main_offset 39976) main_length), 20626#(<= (+ main_offset 39972) main_length), 20627#(<= (+ main_offset 39968) main_length), 20628#(<= (+ main_offset 39964) main_length), 20629#(<= (+ main_offset 39960) main_length), 20630#(<= (+ main_offset 39956) main_length), 20631#(<= (+ main_offset 39952) main_length), 20632#(<= (+ main_offset 39948) main_length), 20633#(<= (+ main_offset 39944) main_length), 20634#(<= (+ main_offset 39940) main_length), 20635#(<= (+ main_offset 39936) main_length), 20636#(<= (+ main_offset 39932) main_length), 20637#(<= (+ main_offset 39928) main_length), 20638#(<= (+ main_offset 39924) main_length), 20639#(<= (+ main_offset 39920) main_length), 20640#(<= (+ main_offset 39916) main_length), 20641#(<= (+ main_offset 39912) main_length), 20642#(<= (+ main_offset 39908) main_length), 20643#(<= (+ main_offset 39904) main_length), 20644#(<= (+ main_offset 39900) main_length), 20645#(<= (+ main_offset 39896) main_length), 20646#(<= (+ main_offset 39892) main_length), 20647#(<= (+ main_offset 39888) main_length), 20648#(<= (+ main_offset 39884) main_length), 20649#(<= (+ main_offset 39880) main_length), 20650#(<= (+ main_offset 39876) main_length), 20651#(<= (+ main_offset 39872) main_length), 20652#(<= (+ main_offset 39868) main_length), 20653#(<= (+ main_offset 39864) main_length), 20654#(<= (+ main_offset 39860) main_length), 20655#(<= (+ main_offset 39856) main_length), 20656#(<= (+ main_offset 39852) main_length), 20657#(<= (+ main_offset 39848) main_length), 20658#(<= (+ main_offset 39844) main_length), 20659#(<= (+ main_offset 39840) main_length), 20660#(<= (+ main_offset 39836) main_length), 20661#(<= (+ main_offset 39832) main_length), 20662#(<= (+ main_offset 39828) main_length), 20663#(<= (+ main_offset 39824) main_length), 20664#(<= (+ main_offset 39820) main_length), 20665#(<= (+ main_offset 39816) main_length), 20666#(<= (+ main_offset 39812) main_length), 20667#(<= (+ main_offset 39808) main_length), 20668#(<= (+ main_offset 39804) main_length), 20669#(<= (+ main_offset 39800) main_length), 20670#(<= (+ main_offset 39796) main_length), 20671#(<= (+ main_offset 39792) main_length), 20672#(<= (+ main_offset 39788) main_length), 20673#(<= (+ main_offset 39784) main_length), 20674#(<= (+ main_offset 39780) main_length), 20675#(<= (+ main_offset 39776) main_length), 20676#(<= (+ main_offset 39772) main_length), 20677#(<= (+ main_offset 39768) main_length), 20678#(<= (+ main_offset 39764) main_length), 20679#(<= (+ main_offset 39760) main_length), 20680#(<= (+ main_offset 39756) main_length), 20681#(<= (+ main_offset 39752) main_length), 20682#(<= (+ main_offset 39748) main_length), 20683#(<= (+ main_offset 39744) main_length), 20684#(<= (+ main_offset 39740) main_length)] [2018-07-23 13:54:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:37,027 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:54:37,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:54:37,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:54:37,028 INFO L87 Difference]: Start difference. First operand 134 states and 134 transitions. Second operand 68 states. [2018-07-23 13:54:37,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:37,119 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:54:37,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:54:37,119 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 133 [2018-07-23 13:54:37,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:37,120 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:54:37,120 INFO L226 Difference]: Without dead ends: 136 [2018-07-23 13:54:37,121 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:54:37,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-07-23 13:54:37,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-07-23 13:54:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-07-23 13:54:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2018-07-23 13:54:37,126 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 133 [2018-07-23 13:54:37,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:37,127 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2018-07-23 13:54:37,127 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:54:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2018-07-23 13:54:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-23 13:54:37,128 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:37,128 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1] [2018-07-23 13:54:37,128 INFO L414 AbstractCegarLoop]: === Iteration 67 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:37,128 INFO L82 PathProgramCache]: Analyzing trace with hash 862905700, now seen corresponding path program 66 times [2018-07-23 13:54:37,129 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:37,379 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:37,379 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:54:37,379 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:37,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:37,380 INFO L185 omatonBuilderFactory]: Interpolants [21248#(<= (+ main_offset 39940) main_length), 21249#(<= (+ main_offset 39936) main_length), 21250#(<= (+ main_offset 39932) main_length), 21251#(<= (+ main_offset 39928) main_length), 21252#(<= (+ main_offset 39924) main_length), 21253#(<= (+ main_offset 39920) main_length), 21254#(<= (+ main_offset 39916) main_length), 21255#(<= (+ main_offset 39912) main_length), 21256#(<= (+ main_offset 39908) main_length), 21257#(<= (+ main_offset 39904) main_length), 21258#(<= (+ main_offset 39900) main_length), 21259#(<= (+ main_offset 39896) main_length), 21260#(<= (+ main_offset 39892) main_length), 21261#(<= (+ main_offset 39888) main_length), 21262#(<= (+ main_offset 39884) main_length), 21263#(<= (+ main_offset 39880) main_length), 21264#(<= (+ main_offset 39876) main_length), 21265#(<= (+ main_offset 39872) main_length), 21266#(<= (+ main_offset 39868) main_length), 21267#(<= (+ main_offset 39864) main_length), 21268#(<= (+ main_offset 39860) main_length), 21269#(<= (+ main_offset 39856) main_length), 21270#(<= (+ main_offset 39852) main_length), 21271#(<= (+ main_offset 39848) main_length), 21272#(<= (+ main_offset 39844) main_length), 21273#(<= (+ main_offset 39840) main_length), 21274#(<= (+ main_offset 39836) main_length), 21275#(<= (+ main_offset 39832) main_length), 21276#(<= (+ main_offset 39828) main_length), 21277#(<= (+ main_offset 39824) main_length), 21278#(<= (+ main_offset 39820) main_length), 21279#(<= (+ main_offset 39816) main_length), 21280#(<= (+ main_offset 39812) main_length), 21281#(<= (+ main_offset 39808) main_length), 21282#(<= (+ main_offset 39804) main_length), 21283#(<= (+ main_offset 39800) main_length), 21284#(<= (+ main_offset 39796) main_length), 21285#(<= (+ main_offset 39792) main_length), 21286#(<= (+ main_offset 39788) main_length), 21287#(<= (+ main_offset 39784) main_length), 21288#(<= (+ main_offset 39780) main_length), 21289#(<= (+ main_offset 39776) main_length), 21290#(<= (+ main_offset 39772) main_length), 21291#(<= (+ main_offset 39768) main_length), 21292#(<= (+ main_offset 39764) main_length), 21293#(<= (+ main_offset 39760) main_length), 21294#(<= (+ main_offset 39756) main_length), 21295#(<= (+ main_offset 39752) main_length), 21296#(<= (+ main_offset 39748) main_length), 21297#(<= (+ main_offset 39744) main_length), 21298#(<= (+ main_offset 39740) main_length), 21299#(<= (+ main_offset 39736) main_length), 21231#true, 21232#false, 21233#(<= (+ main_offset 40000) main_length), 21234#(<= (+ main_offset 39996) main_length), 21235#(<= (+ main_offset 39992) main_length), 21236#(<= (+ main_offset 39988) main_length), 21237#(<= (+ main_offset 39984) main_length), 21238#(<= (+ main_offset 39980) main_length), 21239#(<= (+ main_offset 39976) main_length), 21240#(<= (+ main_offset 39972) main_length), 21241#(<= (+ main_offset 39968) main_length), 21242#(<= (+ main_offset 39964) main_length), 21243#(<= (+ main_offset 39960) main_length), 21244#(<= (+ main_offset 39956) main_length), 21245#(<= (+ main_offset 39952) main_length), 21246#(<= (+ main_offset 39948) main_length), 21247#(<= (+ main_offset 39944) main_length)] [2018-07-23 13:54:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:37,380 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:54:37,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:54:37,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:54:37,382 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 69 states. [2018-07-23 13:54:37,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:37,455 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:54:37,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:54:37,455 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 135 [2018-07-23 13:54:37,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:37,456 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:54:37,456 INFO L226 Difference]: Without dead ends: 138 [2018-07-23 13:54:37,457 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:54:37,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-07-23 13:54:37,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-07-23 13:54:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-07-23 13:54:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2018-07-23 13:54:37,462 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 135 [2018-07-23 13:54:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:37,462 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2018-07-23 13:54:37,462 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:54:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2018-07-23 13:54:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-07-23 13:54:37,463 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:37,464 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1] [2018-07-23 13:54:37,464 INFO L414 AbstractCegarLoop]: === Iteration 68 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:37,464 INFO L82 PathProgramCache]: Analyzing trace with hash 323690662, now seen corresponding path program 67 times [2018-07-23 13:54:37,464 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:37,730 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:37,731 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:54:37,731 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:37,732 INFO L185 omatonBuilderFactory]: Interpolants [21888#(<= (+ main_offset 39872) main_length), 21889#(<= (+ main_offset 39868) main_length), 21890#(<= (+ main_offset 39864) main_length), 21891#(<= (+ main_offset 39860) main_length), 21892#(<= (+ main_offset 39856) main_length), 21893#(<= (+ main_offset 39852) main_length), 21894#(<= (+ main_offset 39848) main_length), 21895#(<= (+ main_offset 39844) main_length), 21896#(<= (+ main_offset 39840) main_length), 21897#(<= (+ main_offset 39836) main_length), 21898#(<= (+ main_offset 39832) main_length), 21899#(<= (+ main_offset 39828) main_length), 21900#(<= (+ main_offset 39824) main_length), 21901#(<= (+ main_offset 39820) main_length), 21902#(<= (+ main_offset 39816) main_length), 21903#(<= (+ main_offset 39812) main_length), 21904#(<= (+ main_offset 39808) main_length), 21905#(<= (+ main_offset 39804) main_length), 21906#(<= (+ main_offset 39800) main_length), 21907#(<= (+ main_offset 39796) main_length), 21908#(<= (+ main_offset 39792) main_length), 21909#(<= (+ main_offset 39788) main_length), 21910#(<= (+ main_offset 39784) main_length), 21911#(<= (+ main_offset 39780) main_length), 21912#(<= (+ main_offset 39776) main_length), 21913#(<= (+ main_offset 39772) main_length), 21914#(<= (+ main_offset 39768) main_length), 21915#(<= (+ main_offset 39764) main_length), 21916#(<= (+ main_offset 39760) main_length), 21917#(<= (+ main_offset 39756) main_length), 21918#(<= (+ main_offset 39752) main_length), 21919#(<= (+ main_offset 39748) main_length), 21920#(<= (+ main_offset 39744) main_length), 21921#(<= (+ main_offset 39740) main_length), 21922#(<= (+ main_offset 39736) main_length), 21923#(<= (+ main_offset 39732) main_length), 21854#true, 21855#false, 21856#(<= (+ main_offset 40000) main_length), 21857#(<= (+ main_offset 39996) main_length), 21858#(<= (+ main_offset 39992) main_length), 21859#(<= (+ main_offset 39988) main_length), 21860#(<= (+ main_offset 39984) main_length), 21861#(<= (+ main_offset 39980) main_length), 21862#(<= (+ main_offset 39976) main_length), 21863#(<= (+ main_offset 39972) main_length), 21864#(<= (+ main_offset 39968) main_length), 21865#(<= (+ main_offset 39964) main_length), 21866#(<= (+ main_offset 39960) main_length), 21867#(<= (+ main_offset 39956) main_length), 21868#(<= (+ main_offset 39952) main_length), 21869#(<= (+ main_offset 39948) main_length), 21870#(<= (+ main_offset 39944) main_length), 21871#(<= (+ main_offset 39940) main_length), 21872#(<= (+ main_offset 39936) main_length), 21873#(<= (+ main_offset 39932) main_length), 21874#(<= (+ main_offset 39928) main_length), 21875#(<= (+ main_offset 39924) main_length), 21876#(<= (+ main_offset 39920) main_length), 21877#(<= (+ main_offset 39916) main_length), 21878#(<= (+ main_offset 39912) main_length), 21879#(<= (+ main_offset 39908) main_length), 21880#(<= (+ main_offset 39904) main_length), 21881#(<= (+ main_offset 39900) main_length), 21882#(<= (+ main_offset 39896) main_length), 21883#(<= (+ main_offset 39892) main_length), 21884#(<= (+ main_offset 39888) main_length), 21885#(<= (+ main_offset 39884) main_length), 21886#(<= (+ main_offset 39880) main_length), 21887#(<= (+ main_offset 39876) main_length)] [2018-07-23 13:54:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:37,732 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:54:37,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:54:37,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:54:37,734 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand 70 states. [2018-07-23 13:54:37,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:37,798 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:54:37,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:54:37,798 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 137 [2018-07-23 13:54:37,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:37,799 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:54:37,799 INFO L226 Difference]: Without dead ends: 140 [2018-07-23 13:54:37,800 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:54:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-07-23 13:54:37,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-07-23 13:54:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-07-23 13:54:37,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 140 transitions. [2018-07-23 13:54:37,806 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 140 transitions. Word has length 137 [2018-07-23 13:54:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:37,807 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 140 transitions. [2018-07-23 13:54:37,807 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:54:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 140 transitions. [2018-07-23 13:54:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-07-23 13:54:37,808 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:37,808 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1] [2018-07-23 13:54:37,808 INFO L414 AbstractCegarLoop]: === Iteration 69 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:37,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1829081960, now seen corresponding path program 68 times [2018-07-23 13:54:37,809 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:38,189 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:38,189 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:54:38,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:38,189 INFO L185 omatonBuilderFactory]: Interpolants [22528#(<= (+ main_offset 39840) main_length), 22529#(<= (+ main_offset 39836) main_length), 22530#(<= (+ main_offset 39832) main_length), 22531#(<= (+ main_offset 39828) main_length), 22532#(<= (+ main_offset 39824) main_length), 22533#(<= (+ main_offset 39820) main_length), 22534#(<= (+ main_offset 39816) main_length), 22535#(<= (+ main_offset 39812) main_length), 22536#(<= (+ main_offset 39808) main_length), 22537#(<= (+ main_offset 39804) main_length), 22538#(<= (+ main_offset 39800) main_length), 22539#(<= (+ main_offset 39796) main_length), 22540#(<= (+ main_offset 39792) main_length), 22541#(<= (+ main_offset 39788) main_length), 22542#(<= (+ main_offset 39784) main_length), 22543#(<= (+ main_offset 39780) main_length), 22544#(<= (+ main_offset 39776) main_length), 22545#(<= (+ main_offset 39772) main_length), 22546#(<= (+ main_offset 39768) main_length), 22547#(<= (+ main_offset 39764) main_length), 22548#(<= (+ main_offset 39760) main_length), 22549#(<= (+ main_offset 39756) main_length), 22550#(<= (+ main_offset 39752) main_length), 22551#(<= (+ main_offset 39748) main_length), 22552#(<= (+ main_offset 39744) main_length), 22553#(<= (+ main_offset 39740) main_length), 22554#(<= (+ main_offset 39736) main_length), 22555#(<= (+ main_offset 39732) main_length), 22556#(<= (+ main_offset 39728) main_length), 22486#true, 22487#false, 22488#(<= (+ main_offset 40000) main_length), 22489#(<= (+ main_offset 39996) main_length), 22490#(<= (+ main_offset 39992) main_length), 22491#(<= (+ main_offset 39988) main_length), 22492#(<= (+ main_offset 39984) main_length), 22493#(<= (+ main_offset 39980) main_length), 22494#(<= (+ main_offset 39976) main_length), 22495#(<= (+ main_offset 39972) main_length), 22496#(<= (+ main_offset 39968) main_length), 22497#(<= (+ main_offset 39964) main_length), 22498#(<= (+ main_offset 39960) main_length), 22499#(<= (+ main_offset 39956) main_length), 22500#(<= (+ main_offset 39952) main_length), 22501#(<= (+ main_offset 39948) main_length), 22502#(<= (+ main_offset 39944) main_length), 22503#(<= (+ main_offset 39940) main_length), 22504#(<= (+ main_offset 39936) main_length), 22505#(<= (+ main_offset 39932) main_length), 22506#(<= (+ main_offset 39928) main_length), 22507#(<= (+ main_offset 39924) main_length), 22508#(<= (+ main_offset 39920) main_length), 22509#(<= (+ main_offset 39916) main_length), 22510#(<= (+ main_offset 39912) main_length), 22511#(<= (+ main_offset 39908) main_length), 22512#(<= (+ main_offset 39904) main_length), 22513#(<= (+ main_offset 39900) main_length), 22514#(<= (+ main_offset 39896) main_length), 22515#(<= (+ main_offset 39892) main_length), 22516#(<= (+ main_offset 39888) main_length), 22517#(<= (+ main_offset 39884) main_length), 22518#(<= (+ main_offset 39880) main_length), 22519#(<= (+ main_offset 39876) main_length), 22520#(<= (+ main_offset 39872) main_length), 22521#(<= (+ main_offset 39868) main_length), 22522#(<= (+ main_offset 39864) main_length), 22523#(<= (+ main_offset 39860) main_length), 22524#(<= (+ main_offset 39856) main_length), 22525#(<= (+ main_offset 39852) main_length), 22526#(<= (+ main_offset 39848) main_length), 22527#(<= (+ main_offset 39844) main_length)] [2018-07-23 13:54:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:38,190 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:54:38,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:54:38,190 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:54:38,191 INFO L87 Difference]: Start difference. First operand 140 states and 140 transitions. Second operand 71 states. [2018-07-23 13:54:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:38,246 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:54:38,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:54:38,246 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 139 [2018-07-23 13:54:38,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:38,247 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:54:38,248 INFO L226 Difference]: Without dead ends: 142 [2018-07-23 13:54:38,248 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:54:38,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-07-23 13:54:38,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-07-23 13:54:38,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-07-23 13:54:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-07-23 13:54:38,252 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 139 [2018-07-23 13:54:38,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:38,253 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-07-23 13:54:38,253 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:54:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-07-23 13:54:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 13:54:38,254 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:38,254 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1] [2018-07-23 13:54:38,254 INFO L414 AbstractCegarLoop]: === Iteration 70 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:38,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1106140586, now seen corresponding path program 69 times [2018-07-23 13:54:38,254 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:38,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:38,525 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:38,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:54:38,526 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:38,526 INFO L185 omatonBuilderFactory]: Interpolants [23168#(<= (+ main_offset 39844) main_length), 23169#(<= (+ main_offset 39840) main_length), 23170#(<= (+ main_offset 39836) main_length), 23171#(<= (+ main_offset 39832) main_length), 23172#(<= (+ main_offset 39828) main_length), 23173#(<= (+ main_offset 39824) main_length), 23174#(<= (+ main_offset 39820) main_length), 23175#(<= (+ main_offset 39816) main_length), 23176#(<= (+ main_offset 39812) main_length), 23177#(<= (+ main_offset 39808) main_length), 23178#(<= (+ main_offset 39804) main_length), 23179#(<= (+ main_offset 39800) main_length), 23180#(<= (+ main_offset 39796) main_length), 23181#(<= (+ main_offset 39792) main_length), 23182#(<= (+ main_offset 39788) main_length), 23183#(<= (+ main_offset 39784) main_length), 23184#(<= (+ main_offset 39780) main_length), 23185#(<= (+ main_offset 39776) main_length), 23186#(<= (+ main_offset 39772) main_length), 23187#(<= (+ main_offset 39768) main_length), 23188#(<= (+ main_offset 39764) main_length), 23189#(<= (+ main_offset 39760) main_length), 23190#(<= (+ main_offset 39756) main_length), 23191#(<= (+ main_offset 39752) main_length), 23192#(<= (+ main_offset 39748) main_length), 23193#(<= (+ main_offset 39744) main_length), 23194#(<= (+ main_offset 39740) main_length), 23195#(<= (+ main_offset 39736) main_length), 23196#(<= (+ main_offset 39732) main_length), 23197#(<= (+ main_offset 39728) main_length), 23198#(<= (+ main_offset 39724) main_length), 23127#true, 23128#false, 23129#(<= (+ main_offset 40000) main_length), 23130#(<= (+ main_offset 39996) main_length), 23131#(<= (+ main_offset 39992) main_length), 23132#(<= (+ main_offset 39988) main_length), 23133#(<= (+ main_offset 39984) main_length), 23134#(<= (+ main_offset 39980) main_length), 23135#(<= (+ main_offset 39976) main_length), 23136#(<= (+ main_offset 39972) main_length), 23137#(<= (+ main_offset 39968) main_length), 23138#(<= (+ main_offset 39964) main_length), 23139#(<= (+ main_offset 39960) main_length), 23140#(<= (+ main_offset 39956) main_length), 23141#(<= (+ main_offset 39952) main_length), 23142#(<= (+ main_offset 39948) main_length), 23143#(<= (+ main_offset 39944) main_length), 23144#(<= (+ main_offset 39940) main_length), 23145#(<= (+ main_offset 39936) main_length), 23146#(<= (+ main_offset 39932) main_length), 23147#(<= (+ main_offset 39928) main_length), 23148#(<= (+ main_offset 39924) main_length), 23149#(<= (+ main_offset 39920) main_length), 23150#(<= (+ main_offset 39916) main_length), 23151#(<= (+ main_offset 39912) main_length), 23152#(<= (+ main_offset 39908) main_length), 23153#(<= (+ main_offset 39904) main_length), 23154#(<= (+ main_offset 39900) main_length), 23155#(<= (+ main_offset 39896) main_length), 23156#(<= (+ main_offset 39892) main_length), 23157#(<= (+ main_offset 39888) main_length), 23158#(<= (+ main_offset 39884) main_length), 23159#(<= (+ main_offset 39880) main_length), 23160#(<= (+ main_offset 39876) main_length), 23161#(<= (+ main_offset 39872) main_length), 23162#(<= (+ main_offset 39868) main_length), 23163#(<= (+ main_offset 39864) main_length), 23164#(<= (+ main_offset 39860) main_length), 23165#(<= (+ main_offset 39856) main_length), 23166#(<= (+ main_offset 39852) main_length), 23167#(<= (+ main_offset 39848) main_length)] [2018-07-23 13:54:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:38,527 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:54:38,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:54:38,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:54:38,528 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 72 states. [2018-07-23 13:54:38,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:38,584 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:54:38,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:54:38,584 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 141 [2018-07-23 13:54:38,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:38,585 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:54:38,586 INFO L226 Difference]: Without dead ends: 144 [2018-07-23 13:54:38,586 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:54:38,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-07-23 13:54:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-07-23 13:54:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-07-23 13:54:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2018-07-23 13:54:38,591 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 141 [2018-07-23 13:54:38,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:38,591 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2018-07-23 13:54:38,591 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:54:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2018-07-23 13:54:38,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-23 13:54:38,592 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:38,592 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1] [2018-07-23 13:54:38,593 INFO L414 AbstractCegarLoop]: === Iteration 71 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:38,593 INFO L82 PathProgramCache]: Analyzing trace with hash 2144182124, now seen corresponding path program 70 times [2018-07-23 13:54:38,593 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:38,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:38,864 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:38,864 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:54:38,864 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:38,865 INFO L185 omatonBuilderFactory]: Interpolants [23808#(<= (+ main_offset 39884) main_length), 23809#(<= (+ main_offset 39880) main_length), 23810#(<= (+ main_offset 39876) main_length), 23811#(<= (+ main_offset 39872) main_length), 23812#(<= (+ main_offset 39868) main_length), 23813#(<= (+ main_offset 39864) main_length), 23814#(<= (+ main_offset 39860) main_length), 23815#(<= (+ main_offset 39856) main_length), 23816#(<= (+ main_offset 39852) main_length), 23817#(<= (+ main_offset 39848) main_length), 23818#(<= (+ main_offset 39844) main_length), 23819#(<= (+ main_offset 39840) main_length), 23820#(<= (+ main_offset 39836) main_length), 23821#(<= (+ main_offset 39832) main_length), 23822#(<= (+ main_offset 39828) main_length), 23823#(<= (+ main_offset 39824) main_length), 23824#(<= (+ main_offset 39820) main_length), 23825#(<= (+ main_offset 39816) main_length), 23826#(<= (+ main_offset 39812) main_length), 23827#(<= (+ main_offset 39808) main_length), 23828#(<= (+ main_offset 39804) main_length), 23829#(<= (+ main_offset 39800) main_length), 23830#(<= (+ main_offset 39796) main_length), 23831#(<= (+ main_offset 39792) main_length), 23832#(<= (+ main_offset 39788) main_length), 23833#(<= (+ main_offset 39784) main_length), 23834#(<= (+ main_offset 39780) main_length), 23835#(<= (+ main_offset 39776) main_length), 23836#(<= (+ main_offset 39772) main_length), 23837#(<= (+ main_offset 39768) main_length), 23838#(<= (+ main_offset 39764) main_length), 23839#(<= (+ main_offset 39760) main_length), 23840#(<= (+ main_offset 39756) main_length), 23841#(<= (+ main_offset 39752) main_length), 23842#(<= (+ main_offset 39748) main_length), 23843#(<= (+ main_offset 39744) main_length), 23844#(<= (+ main_offset 39740) main_length), 23845#(<= (+ main_offset 39736) main_length), 23846#(<= (+ main_offset 39732) main_length), 23847#(<= (+ main_offset 39728) main_length), 23848#(<= (+ main_offset 39724) main_length), 23849#(<= (+ main_offset 39720) main_length), 23777#true, 23778#false, 23779#(<= (+ main_offset 40000) main_length), 23780#(<= (+ main_offset 39996) main_length), 23781#(<= (+ main_offset 39992) main_length), 23782#(<= (+ main_offset 39988) main_length), 23783#(<= (+ main_offset 39984) main_length), 23784#(<= (+ main_offset 39980) main_length), 23785#(<= (+ main_offset 39976) main_length), 23786#(<= (+ main_offset 39972) main_length), 23787#(<= (+ main_offset 39968) main_length), 23788#(<= (+ main_offset 39964) main_length), 23789#(<= (+ main_offset 39960) main_length), 23790#(<= (+ main_offset 39956) main_length), 23791#(<= (+ main_offset 39952) main_length), 23792#(<= (+ main_offset 39948) main_length), 23793#(<= (+ main_offset 39944) main_length), 23794#(<= (+ main_offset 39940) main_length), 23795#(<= (+ main_offset 39936) main_length), 23796#(<= (+ main_offset 39932) main_length), 23797#(<= (+ main_offset 39928) main_length), 23798#(<= (+ main_offset 39924) main_length), 23799#(<= (+ main_offset 39920) main_length), 23800#(<= (+ main_offset 39916) main_length), 23801#(<= (+ main_offset 39912) main_length), 23802#(<= (+ main_offset 39908) main_length), 23803#(<= (+ main_offset 39904) main_length), 23804#(<= (+ main_offset 39900) main_length), 23805#(<= (+ main_offset 39896) main_length), 23806#(<= (+ main_offset 39892) main_length), 23807#(<= (+ main_offset 39888) main_length)] [2018-07-23 13:54:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:38,866 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:54:38,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:54:38,866 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:54:38,867 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand 73 states. [2018-07-23 13:54:38,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:38,932 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:54:38,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:54:38,932 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 143 [2018-07-23 13:54:38,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:38,933 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:54:38,933 INFO L226 Difference]: Without dead ends: 146 [2018-07-23 13:54:38,934 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:54:38,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-07-23 13:54:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-07-23 13:54:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-07-23 13:54:38,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 146 transitions. [2018-07-23 13:54:38,938 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 146 transitions. Word has length 143 [2018-07-23 13:54:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:38,939 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 146 transitions. [2018-07-23 13:54:38,939 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:54:38,939 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 146 transitions. [2018-07-23 13:54:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-23 13:54:38,940 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:38,940 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1] [2018-07-23 13:54:38,940 INFO L414 AbstractCegarLoop]: === Iteration 72 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:38,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1025279826, now seen corresponding path program 71 times [2018-07-23 13:54:38,940 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:39,260 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:39,260 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:54:39,260 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:39,260 INFO L185 omatonBuilderFactory]: Interpolants [24448#(<= (+ main_offset 39960) main_length), 24449#(<= (+ main_offset 39956) main_length), 24450#(<= (+ main_offset 39952) main_length), 24451#(<= (+ main_offset 39948) main_length), 24452#(<= (+ main_offset 39944) main_length), 24453#(<= (+ main_offset 39940) main_length), 24454#(<= (+ main_offset 39936) main_length), 24455#(<= (+ main_offset 39932) main_length), 24456#(<= (+ main_offset 39928) main_length), 24457#(<= (+ main_offset 39924) main_length), 24458#(<= (+ main_offset 39920) main_length), 24459#(<= (+ main_offset 39916) main_length), 24460#(<= (+ main_offset 39912) main_length), 24461#(<= (+ main_offset 39908) main_length), 24462#(<= (+ main_offset 39904) main_length), 24463#(<= (+ main_offset 39900) main_length), 24464#(<= (+ main_offset 39896) main_length), 24465#(<= (+ main_offset 39892) main_length), 24466#(<= (+ main_offset 39888) main_length), 24467#(<= (+ main_offset 39884) main_length), 24468#(<= (+ main_offset 39880) main_length), 24469#(<= (+ main_offset 39876) main_length), 24470#(<= (+ main_offset 39872) main_length), 24471#(<= (+ main_offset 39868) main_length), 24472#(<= (+ main_offset 39864) main_length), 24473#(<= (+ main_offset 39860) main_length), 24474#(<= (+ main_offset 39856) main_length), 24475#(<= (+ main_offset 39852) main_length), 24476#(<= (+ main_offset 39848) main_length), 24477#(<= (+ main_offset 39844) main_length), 24478#(<= (+ main_offset 39840) main_length), 24479#(<= (+ main_offset 39836) main_length), 24480#(<= (+ main_offset 39832) main_length), 24481#(<= (+ main_offset 39828) main_length), 24482#(<= (+ main_offset 39824) main_length), 24483#(<= (+ main_offset 39820) main_length), 24484#(<= (+ main_offset 39816) main_length), 24485#(<= (+ main_offset 39812) main_length), 24486#(<= (+ main_offset 39808) main_length), 24487#(<= (+ main_offset 39804) main_length), 24488#(<= (+ main_offset 39800) main_length), 24489#(<= (+ main_offset 39796) main_length), 24490#(<= (+ main_offset 39792) main_length), 24491#(<= (+ main_offset 39788) main_length), 24492#(<= (+ main_offset 39784) main_length), 24493#(<= (+ main_offset 39780) main_length), 24494#(<= (+ main_offset 39776) main_length), 24495#(<= (+ main_offset 39772) main_length), 24496#(<= (+ main_offset 39768) main_length), 24497#(<= (+ main_offset 39764) main_length), 24498#(<= (+ main_offset 39760) main_length), 24499#(<= (+ main_offset 39756) main_length), 24500#(<= (+ main_offset 39752) main_length), 24501#(<= (+ main_offset 39748) main_length), 24502#(<= (+ main_offset 39744) main_length), 24503#(<= (+ main_offset 39740) main_length), 24504#(<= (+ main_offset 39736) main_length), 24505#(<= (+ main_offset 39732) main_length), 24506#(<= (+ main_offset 39728) main_length), 24507#(<= (+ main_offset 39724) main_length), 24508#(<= (+ main_offset 39720) main_length), 24509#(<= (+ main_offset 39716) main_length), 24436#true, 24437#false, 24438#(<= (+ main_offset 40000) main_length), 24439#(<= (+ main_offset 39996) main_length), 24440#(<= (+ main_offset 39992) main_length), 24441#(<= (+ main_offset 39988) main_length), 24442#(<= (+ main_offset 39984) main_length), 24443#(<= (+ main_offset 39980) main_length), 24444#(<= (+ main_offset 39976) main_length), 24445#(<= (+ main_offset 39972) main_length), 24446#(<= (+ main_offset 39968) main_length), 24447#(<= (+ main_offset 39964) main_length)] [2018-07-23 13:54:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:39,261 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:54:39,261 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:54:39,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:54:39,262 INFO L87 Difference]: Start difference. First operand 146 states and 146 transitions. Second operand 74 states. [2018-07-23 13:54:39,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:39,337 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:54:39,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:54:39,337 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 145 [2018-07-23 13:54:39,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:39,338 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:54:39,338 INFO L226 Difference]: Without dead ends: 148 [2018-07-23 13:54:39,339 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:54:39,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-07-23 13:54:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-07-23 13:54:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-07-23 13:54:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 148 transitions. [2018-07-23 13:54:39,343 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 148 transitions. Word has length 145 [2018-07-23 13:54:39,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:39,344 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 148 transitions. [2018-07-23 13:54:39,344 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:54:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 148 transitions. [2018-07-23 13:54:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-23 13:54:39,345 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:39,345 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1] [2018-07-23 13:54:39,345 INFO L414 AbstractCegarLoop]: === Iteration 73 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:39,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1746400912, now seen corresponding path program 72 times [2018-07-23 13:54:39,346 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:39,645 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:39,645 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:54:39,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:39,645 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 13:54:39,646 INFO L185 omatonBuilderFactory]: Interpolants [25104#true, 25105#false, 25106#(<= (+ main_offset 40000) main_length), 25107#(<= (+ main_offset 39996) main_length), 25108#(<= (+ main_offset 39992) main_length), 25109#(<= (+ main_offset 39988) main_length), 25110#(<= (+ main_offset 39984) main_length), 25111#(<= (+ main_offset 39980) main_length), 25112#(<= (+ main_offset 39976) main_length), 25113#(<= (+ main_offset 39972) main_length), 25114#(<= (+ main_offset 39968) main_length), 25115#(<= (+ main_offset 39964) main_length), 25116#(<= (+ main_offset 39960) main_length), 25117#(<= (+ main_offset 39956) main_length), 25118#(<= (+ main_offset 39952) main_length), 25119#(<= (+ main_offset 39948) main_length), 25120#(<= (+ main_offset 39944) main_length), 25121#(<= (+ main_offset 39940) main_length), 25122#(<= (+ main_offset 39936) main_length), 25123#(<= (+ main_offset 39932) main_length), 25124#(<= (+ main_offset 39928) main_length), 25125#(<= (+ main_offset 39924) main_length), 25126#(<= (+ main_offset 39920) main_length), 25127#(<= (+ main_offset 39916) main_length), 25128#(<= (+ main_offset 39912) main_length), 25129#(<= (+ main_offset 39908) main_length), 25130#(<= (+ main_offset 39904) main_length), 25131#(<= (+ main_offset 39900) main_length), 25132#(<= (+ main_offset 39896) main_length), 25133#(<= (+ main_offset 39892) main_length), 25134#(<= (+ main_offset 39888) main_length), 25135#(<= (+ main_offset 39884) main_length), 25136#(<= (+ main_offset 39880) main_length), 25137#(<= (+ main_offset 39876) main_length), 25138#(<= (+ main_offset 39872) main_length), 25139#(<= (+ main_offset 39868) main_length), 25140#(<= (+ main_offset 39864) main_length), 25141#(<= (+ main_offset 39860) main_length), 25142#(<= (+ main_offset 39856) main_length), 25143#(<= (+ main_offset 39852) main_length), 25144#(<= (+ main_offset 39848) main_length), 25145#(<= (+ main_offset 39844) main_length), 25146#(<= (+ main_offset 39840) main_length), 25147#(<= (+ main_offset 39836) main_length), 25148#(<= (+ main_offset 39832) main_length), 25149#(<= (+ main_offset 39828) main_length), 25150#(<= (+ main_offset 39824) main_length), 25151#(<= (+ main_offset 39820) main_length), 25152#(<= (+ main_offset 39816) main_length), 25153#(<= (+ main_offset 39812) main_length), 25154#(<= (+ main_offset 39808) main_length), 25155#(<= (+ main_offset 39804) main_length), 25156#(<= (+ main_offset 39800) main_length), 25157#(<= (+ main_offset 39796) main_length), 25158#(<= (+ main_offset 39792) main_length), 25159#(<= (+ main_offset 39788) main_length), 25160#(<= (+ main_offset 39784) main_length), 25161#(<= (+ main_offset 39780) main_length), 25162#(<= (+ main_offset 39776) main_length), 25163#(<= (+ main_offset 39772) main_length), 25164#(<= (+ main_offset 39768) main_length), 25165#(<= (+ main_offset 39764) main_length), 25166#(<= (+ main_offset 39760) main_length), 25167#(<= (+ main_offset 39756) main_length), 25168#(<= (+ main_offset 39752) main_length), 25169#(<= (+ main_offset 39748) main_length), 25170#(<= (+ main_offset 39744) main_length), 25171#(<= (+ main_offset 39740) main_length), 25172#(<= (+ main_offset 39736) main_length), 25173#(<= (+ main_offset 39732) main_length), 25174#(<= (+ main_offset 39728) main_length), 25175#(<= (+ main_offset 39724) main_length), 25176#(<= (+ main_offset 39720) main_length), 25177#(<= (+ main_offset 39716) main_length), 25178#(<= (+ main_offset 39712) main_length)] [2018-07-23 13:54:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:39,646 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:54:39,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:54:39,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:54:39,648 INFO L87 Difference]: Start difference. First operand 148 states and 148 transitions. Second operand 75 states. [2018-07-23 13:54:39,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:39,740 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:54:39,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:54:39,741 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 147 [2018-07-23 13:54:39,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:39,742 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:54:39,742 INFO L226 Difference]: Without dead ends: 150 [2018-07-23 13:54:39,742 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:54:39,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-07-23 13:54:39,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-07-23 13:54:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-07-23 13:54:39,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 150 transitions. [2018-07-23 13:54:39,747 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 150 transitions. Word has length 147 [2018-07-23 13:54:39,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:39,747 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 150 transitions. [2018-07-23 13:54:39,747 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:54:39,747 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 150 transitions. [2018-07-23 13:54:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-23 13:54:39,748 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:39,748 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1] [2018-07-23 13:54:39,749 INFO L414 AbstractCegarLoop]: === Iteration 74 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:39,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1040937394, now seen corresponding path program 73 times [2018-07-23 13:54:39,749 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:40,066 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:40,066 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:54:40,066 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:40,067 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 13:54:40,067 INFO L185 omatonBuilderFactory]: Interpolants [25856#(<= (+ main_offset 39708) main_length), 25781#true, 25782#false, 25783#(<= (+ main_offset 40000) main_length), 25784#(<= (+ main_offset 39996) main_length), 25785#(<= (+ main_offset 39992) main_length), 25786#(<= (+ main_offset 39988) main_length), 25787#(<= (+ main_offset 39984) main_length), 25788#(<= (+ main_offset 39980) main_length), 25789#(<= (+ main_offset 39976) main_length), 25790#(<= (+ main_offset 39972) main_length), 25791#(<= (+ main_offset 39968) main_length), 25792#(<= (+ main_offset 39964) main_length), 25793#(<= (+ main_offset 39960) main_length), 25794#(<= (+ main_offset 39956) main_length), 25795#(<= (+ main_offset 39952) main_length), 25796#(<= (+ main_offset 39948) main_length), 25797#(<= (+ main_offset 39944) main_length), 25798#(<= (+ main_offset 39940) main_length), 25799#(<= (+ main_offset 39936) main_length), 25800#(<= (+ main_offset 39932) main_length), 25801#(<= (+ main_offset 39928) main_length), 25802#(<= (+ main_offset 39924) main_length), 25803#(<= (+ main_offset 39920) main_length), 25804#(<= (+ main_offset 39916) main_length), 25805#(<= (+ main_offset 39912) main_length), 25806#(<= (+ main_offset 39908) main_length), 25807#(<= (+ main_offset 39904) main_length), 25808#(<= (+ main_offset 39900) main_length), 25809#(<= (+ main_offset 39896) main_length), 25810#(<= (+ main_offset 39892) main_length), 25811#(<= (+ main_offset 39888) main_length), 25812#(<= (+ main_offset 39884) main_length), 25813#(<= (+ main_offset 39880) main_length), 25814#(<= (+ main_offset 39876) main_length), 25815#(<= (+ main_offset 39872) main_length), 25816#(<= (+ main_offset 39868) main_length), 25817#(<= (+ main_offset 39864) main_length), 25818#(<= (+ main_offset 39860) main_length), 25819#(<= (+ main_offset 39856) main_length), 25820#(<= (+ main_offset 39852) main_length), 25821#(<= (+ main_offset 39848) main_length), 25822#(<= (+ main_offset 39844) main_length), 25823#(<= (+ main_offset 39840) main_length), 25824#(<= (+ main_offset 39836) main_length), 25825#(<= (+ main_offset 39832) main_length), 25826#(<= (+ main_offset 39828) main_length), 25827#(<= (+ main_offset 39824) main_length), 25828#(<= (+ main_offset 39820) main_length), 25829#(<= (+ main_offset 39816) main_length), 25830#(<= (+ main_offset 39812) main_length), 25831#(<= (+ main_offset 39808) main_length), 25832#(<= (+ main_offset 39804) main_length), 25833#(<= (+ main_offset 39800) main_length), 25834#(<= (+ main_offset 39796) main_length), 25835#(<= (+ main_offset 39792) main_length), 25836#(<= (+ main_offset 39788) main_length), 25837#(<= (+ main_offset 39784) main_length), 25838#(<= (+ main_offset 39780) main_length), 25839#(<= (+ main_offset 39776) main_length), 25840#(<= (+ main_offset 39772) main_length), 25841#(<= (+ main_offset 39768) main_length), 25842#(<= (+ main_offset 39764) main_length), 25843#(<= (+ main_offset 39760) main_length), 25844#(<= (+ main_offset 39756) main_length), 25845#(<= (+ main_offset 39752) main_length), 25846#(<= (+ main_offset 39748) main_length), 25847#(<= (+ main_offset 39744) main_length), 25848#(<= (+ main_offset 39740) main_length), 25849#(<= (+ main_offset 39736) main_length), 25850#(<= (+ main_offset 39732) main_length), 25851#(<= (+ main_offset 39728) main_length), 25852#(<= (+ main_offset 39724) main_length), 25853#(<= (+ main_offset 39720) main_length), 25854#(<= (+ main_offset 39716) main_length), 25855#(<= (+ main_offset 39712) main_length)] [2018-07-23 13:54:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:40,068 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:54:40,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:54:40,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:54:40,069 INFO L87 Difference]: Start difference. First operand 150 states and 150 transitions. Second operand 76 states. [2018-07-23 13:54:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:40,149 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:54:40,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:54:40,149 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 149 [2018-07-23 13:54:40,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:40,150 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:54:40,150 INFO L226 Difference]: Without dead ends: 152 [2018-07-23 13:54:40,151 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:54:40,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-07-23 13:54:40,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-07-23 13:54:40,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-07-23 13:54:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-07-23 13:54:40,155 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 149 [2018-07-23 13:54:40,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:40,155 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-07-23 13:54:40,156 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:54:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-07-23 13:54:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-07-23 13:54:40,156 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:40,157 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1] [2018-07-23 13:54:40,157 INFO L414 AbstractCegarLoop]: === Iteration 75 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:40,157 INFO L82 PathProgramCache]: Analyzing trace with hash -386543244, now seen corresponding path program 74 times [2018-07-23 13:54:40,157 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:40,554 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:40,554 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:54:40,555 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:40,555 INFO L185 omatonBuilderFactory]: Interpolants [26496#(<= (+ main_offset 39892) main_length), 26497#(<= (+ main_offset 39888) main_length), 26498#(<= (+ main_offset 39884) main_length), 26499#(<= (+ main_offset 39880) main_length), 26500#(<= (+ main_offset 39876) main_length), 26501#(<= (+ main_offset 39872) main_length), 26502#(<= (+ main_offset 39868) main_length), 26503#(<= (+ main_offset 39864) main_length), 26504#(<= (+ main_offset 39860) main_length), 26505#(<= (+ main_offset 39856) main_length), 26506#(<= (+ main_offset 39852) main_length), 26507#(<= (+ main_offset 39848) main_length), 26508#(<= (+ main_offset 39844) main_length), 26509#(<= (+ main_offset 39840) main_length), 26510#(<= (+ main_offset 39836) main_length), 26511#(<= (+ main_offset 39832) main_length), 26512#(<= (+ main_offset 39828) main_length), 26513#(<= (+ main_offset 39824) main_length), 26514#(<= (+ main_offset 39820) main_length), 26515#(<= (+ main_offset 39816) main_length), 26516#(<= (+ main_offset 39812) main_length), 26517#(<= (+ main_offset 39808) main_length), 26518#(<= (+ main_offset 39804) main_length), 26519#(<= (+ main_offset 39800) main_length), 26520#(<= (+ main_offset 39796) main_length), 26521#(<= (+ main_offset 39792) main_length), 26522#(<= (+ main_offset 39788) main_length), 26523#(<= (+ main_offset 39784) main_length), 26524#(<= (+ main_offset 39780) main_length), 26525#(<= (+ main_offset 39776) main_length), 26526#(<= (+ main_offset 39772) main_length), 26527#(<= (+ main_offset 39768) main_length), 26528#(<= (+ main_offset 39764) main_length), 26529#(<= (+ main_offset 39760) main_length), 26530#(<= (+ main_offset 39756) main_length), 26531#(<= (+ main_offset 39752) main_length), 26532#(<= (+ main_offset 39748) main_length), 26533#(<= (+ main_offset 39744) main_length), 26534#(<= (+ main_offset 39740) main_length), 26535#(<= (+ main_offset 39736) main_length), 26536#(<= (+ main_offset 39732) main_length), 26537#(<= (+ main_offset 39728) main_length), 26538#(<= (+ main_offset 39724) main_length), 26539#(<= (+ main_offset 39720) main_length), 26540#(<= (+ main_offset 39716) main_length), 26541#(<= (+ main_offset 39712) main_length), 26542#(<= (+ main_offset 39708) main_length), 26543#(<= (+ main_offset 39704) main_length), 26467#true, 26468#false, 26469#(<= (+ main_offset 40000) main_length), 26470#(<= (+ main_offset 39996) main_length), 26471#(<= (+ main_offset 39992) main_length), 26472#(<= (+ main_offset 39988) main_length), 26473#(<= (+ main_offset 39984) main_length), 26474#(<= (+ main_offset 39980) main_length), 26475#(<= (+ main_offset 39976) main_length), 26476#(<= (+ main_offset 39972) main_length), 26477#(<= (+ main_offset 39968) main_length), 26478#(<= (+ main_offset 39964) main_length), 26479#(<= (+ main_offset 39960) main_length), 26480#(<= (+ main_offset 39956) main_length), 26481#(<= (+ main_offset 39952) main_length), 26482#(<= (+ main_offset 39948) main_length), 26483#(<= (+ main_offset 39944) main_length), 26484#(<= (+ main_offset 39940) main_length), 26485#(<= (+ main_offset 39936) main_length), 26486#(<= (+ main_offset 39932) main_length), 26487#(<= (+ main_offset 39928) main_length), 26488#(<= (+ main_offset 39924) main_length), 26489#(<= (+ main_offset 39920) main_length), 26490#(<= (+ main_offset 39916) main_length), 26491#(<= (+ main_offset 39912) main_length), 26492#(<= (+ main_offset 39908) main_length), 26493#(<= (+ main_offset 39904) main_length), 26494#(<= (+ main_offset 39900) main_length), 26495#(<= (+ main_offset 39896) main_length)] [2018-07-23 13:54:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:40,556 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:54:40,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:54:40,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:54:40,557 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 77 states. [2018-07-23 13:54:40,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:40,644 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:54:40,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:54:40,645 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 151 [2018-07-23 13:54:40,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:40,646 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:54:40,646 INFO L226 Difference]: Without dead ends: 154 [2018-07-23 13:54:40,646 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 0 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 13:54:40,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-07-23 13:54:40,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-07-23 13:54:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-07-23 13:54:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2018-07-23 13:54:40,651 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 151 [2018-07-23 13:54:40,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:40,652 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2018-07-23 13:54:40,652 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:54:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2018-07-23 13:54:40,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-07-23 13:54:40,653 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:40,653 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1] [2018-07-23 13:54:40,653 INFO L414 AbstractCegarLoop]: === Iteration 76 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:40,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2100868938, now seen corresponding path program 75 times [2018-07-23 13:54:40,654 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:40,995 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:40,995 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:54:40,995 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:40,996 INFO L185 omatonBuilderFactory]: Interpolants [27162#true, 27163#false, 27164#(<= (+ main_offset 40000) main_length), 27165#(<= (+ main_offset 39996) main_length), 27166#(<= (+ main_offset 39992) main_length), 27167#(<= (+ main_offset 39988) main_length), 27168#(<= (+ main_offset 39984) main_length), 27169#(<= (+ main_offset 39980) main_length), 27170#(<= (+ main_offset 39976) main_length), 27171#(<= (+ main_offset 39972) main_length), 27172#(<= (+ main_offset 39968) main_length), 27173#(<= (+ main_offset 39964) main_length), 27174#(<= (+ main_offset 39960) main_length), 27175#(<= (+ main_offset 39956) main_length), 27176#(<= (+ main_offset 39952) main_length), 27177#(<= (+ main_offset 39948) main_length), 27178#(<= (+ main_offset 39944) main_length), 27179#(<= (+ main_offset 39940) main_length), 27180#(<= (+ main_offset 39936) main_length), 27181#(<= (+ main_offset 39932) main_length), 27182#(<= (+ main_offset 39928) main_length), 27183#(<= (+ main_offset 39924) main_length), 27184#(<= (+ main_offset 39920) main_length), 27185#(<= (+ main_offset 39916) main_length), 27186#(<= (+ main_offset 39912) main_length), 27187#(<= (+ main_offset 39908) main_length), 27188#(<= (+ main_offset 39904) main_length), 27189#(<= (+ main_offset 39900) main_length), 27190#(<= (+ main_offset 39896) main_length), 27191#(<= (+ main_offset 39892) main_length), 27192#(<= (+ main_offset 39888) main_length), 27193#(<= (+ main_offset 39884) main_length), 27194#(<= (+ main_offset 39880) main_length), 27195#(<= (+ main_offset 39876) main_length), 27196#(<= (+ main_offset 39872) main_length), 27197#(<= (+ main_offset 39868) main_length), 27198#(<= (+ main_offset 39864) main_length), 27199#(<= (+ main_offset 39860) main_length), 27200#(<= (+ main_offset 39856) main_length), 27201#(<= (+ main_offset 39852) main_length), 27202#(<= (+ main_offset 39848) main_length), 27203#(<= (+ main_offset 39844) main_length), 27204#(<= (+ main_offset 39840) main_length), 27205#(<= (+ main_offset 39836) main_length), 27206#(<= (+ main_offset 39832) main_length), 27207#(<= (+ main_offset 39828) main_length), 27208#(<= (+ main_offset 39824) main_length), 27209#(<= (+ main_offset 39820) main_length), 27210#(<= (+ main_offset 39816) main_length), 27211#(<= (+ main_offset 39812) main_length), 27212#(<= (+ main_offset 39808) main_length), 27213#(<= (+ main_offset 39804) main_length), 27214#(<= (+ main_offset 39800) main_length), 27215#(<= (+ main_offset 39796) main_length), 27216#(<= (+ main_offset 39792) main_length), 27217#(<= (+ main_offset 39788) main_length), 27218#(<= (+ main_offset 39784) main_length), 27219#(<= (+ main_offset 39780) main_length), 27220#(<= (+ main_offset 39776) main_length), 27221#(<= (+ main_offset 39772) main_length), 27222#(<= (+ main_offset 39768) main_length), 27223#(<= (+ main_offset 39764) main_length), 27224#(<= (+ main_offset 39760) main_length), 27225#(<= (+ main_offset 39756) main_length), 27226#(<= (+ main_offset 39752) main_length), 27227#(<= (+ main_offset 39748) main_length), 27228#(<= (+ main_offset 39744) main_length), 27229#(<= (+ main_offset 39740) main_length), 27230#(<= (+ main_offset 39736) main_length), 27231#(<= (+ main_offset 39732) main_length), 27232#(<= (+ main_offset 39728) main_length), 27233#(<= (+ main_offset 39724) main_length), 27234#(<= (+ main_offset 39720) main_length), 27235#(<= (+ main_offset 39716) main_length), 27236#(<= (+ main_offset 39712) main_length), 27237#(<= (+ main_offset 39708) main_length), 27238#(<= (+ main_offset 39704) main_length), 27239#(<= (+ main_offset 39700) main_length)] [2018-07-23 13:54:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:40,997 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:54:40,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:54:40,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:54:40,998 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand 78 states. [2018-07-23 13:54:41,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:41,090 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:54:41,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:54:41,090 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 153 [2018-07-23 13:54:41,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:41,091 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:54:41,091 INFO L226 Difference]: Without dead ends: 156 [2018-07-23 13:54:41,092 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:54:41,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-07-23 13:54:41,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-07-23 13:54:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-07-23 13:54:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 156 transitions. [2018-07-23 13:54:41,096 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 156 transitions. Word has length 153 [2018-07-23 13:54:41,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:41,097 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 156 transitions. [2018-07-23 13:54:41,097 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:54:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 156 transitions. [2018-07-23 13:54:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-23 13:54:41,098 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:41,098 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1] [2018-07-23 13:54:41,098 INFO L414 AbstractCegarLoop]: === Iteration 77 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:41,098 INFO L82 PathProgramCache]: Analyzing trace with hash -300419208, now seen corresponding path program 76 times [2018-07-23 13:54:41,098 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:41,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:41,345 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:54:41,345 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:41,346 INFO L185 omatonBuilderFactory]: Interpolants [27904#(<= (+ main_offset 39856) main_length), 27905#(<= (+ main_offset 39852) main_length), 27906#(<= (+ main_offset 39848) main_length), 27907#(<= (+ main_offset 39844) main_length), 27908#(<= (+ main_offset 39840) main_length), 27909#(<= (+ main_offset 39836) main_length), 27910#(<= (+ main_offset 39832) main_length), 27911#(<= (+ main_offset 39828) main_length), 27912#(<= (+ main_offset 39824) main_length), 27913#(<= (+ main_offset 39820) main_length), 27914#(<= (+ main_offset 39816) main_length), 27915#(<= (+ main_offset 39812) main_length), 27916#(<= (+ main_offset 39808) main_length), 27917#(<= (+ main_offset 39804) main_length), 27918#(<= (+ main_offset 39800) main_length), 27919#(<= (+ main_offset 39796) main_length), 27920#(<= (+ main_offset 39792) main_length), 27921#(<= (+ main_offset 39788) main_length), 27922#(<= (+ main_offset 39784) main_length), 27923#(<= (+ main_offset 39780) main_length), 27924#(<= (+ main_offset 39776) main_length), 27925#(<= (+ main_offset 39772) main_length), 27926#(<= (+ main_offset 39768) main_length), 27927#(<= (+ main_offset 39764) main_length), 27928#(<= (+ main_offset 39760) main_length), 27929#(<= (+ main_offset 39756) main_length), 27930#(<= (+ main_offset 39752) main_length), 27931#(<= (+ main_offset 39748) main_length), 27932#(<= (+ main_offset 39744) main_length), 27933#(<= (+ main_offset 39740) main_length), 27934#(<= (+ main_offset 39736) main_length), 27935#(<= (+ main_offset 39732) main_length), 27936#(<= (+ main_offset 39728) main_length), 27937#(<= (+ main_offset 39724) main_length), 27938#(<= (+ main_offset 39720) main_length), 27939#(<= (+ main_offset 39716) main_length), 27940#(<= (+ main_offset 39712) main_length), 27941#(<= (+ main_offset 39708) main_length), 27942#(<= (+ main_offset 39704) main_length), 27943#(<= (+ main_offset 39700) main_length), 27944#(<= (+ main_offset 39696) main_length), 27866#true, 27867#false, 27868#(<= (+ main_offset 40000) main_length), 27869#(<= (+ main_offset 39996) main_length), 27870#(<= (+ main_offset 39992) main_length), 27871#(<= (+ main_offset 39988) main_length), 27872#(<= (+ main_offset 39984) main_length), 27873#(<= (+ main_offset 39980) main_length), 27874#(<= (+ main_offset 39976) main_length), 27875#(<= (+ main_offset 39972) main_length), 27876#(<= (+ main_offset 39968) main_length), 27877#(<= (+ main_offset 39964) main_length), 27878#(<= (+ main_offset 39960) main_length), 27879#(<= (+ main_offset 39956) main_length), 27880#(<= (+ main_offset 39952) main_length), 27881#(<= (+ main_offset 39948) main_length), 27882#(<= (+ main_offset 39944) main_length), 27883#(<= (+ main_offset 39940) main_length), 27884#(<= (+ main_offset 39936) main_length), 27885#(<= (+ main_offset 39932) main_length), 27886#(<= (+ main_offset 39928) main_length), 27887#(<= (+ main_offset 39924) main_length), 27888#(<= (+ main_offset 39920) main_length), 27889#(<= (+ main_offset 39916) main_length), 27890#(<= (+ main_offset 39912) main_length), 27891#(<= (+ main_offset 39908) main_length), 27892#(<= (+ main_offset 39904) main_length), 27893#(<= (+ main_offset 39900) main_length), 27894#(<= (+ main_offset 39896) main_length), 27895#(<= (+ main_offset 39892) main_length), 27896#(<= (+ main_offset 39888) main_length), 27897#(<= (+ main_offset 39884) main_length), 27898#(<= (+ main_offset 39880) main_length), 27899#(<= (+ main_offset 39876) main_length), 27900#(<= (+ main_offset 39872) main_length), 27901#(<= (+ main_offset 39868) main_length), 27902#(<= (+ main_offset 39864) main_length), 27903#(<= (+ main_offset 39860) main_length)] [2018-07-23 13:54:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:41,347 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:54:41,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:54:41,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:54:41,349 INFO L87 Difference]: Start difference. First operand 156 states and 156 transitions. Second operand 79 states. [2018-07-23 13:54:41,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:41,416 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:54:41,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:54:41,416 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 155 [2018-07-23 13:54:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:41,417 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:54:41,417 INFO L226 Difference]: Without dead ends: 158 [2018-07-23 13:54:41,418 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:54:41,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-07-23 13:54:41,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-07-23 13:54:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-07-23 13:54:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2018-07-23 13:54:41,426 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 155 [2018-07-23 13:54:41,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:41,426 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2018-07-23 13:54:41,426 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:54:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2018-07-23 13:54:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-07-23 13:54:41,427 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:41,427 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1] [2018-07-23 13:54:41,427 INFO L414 AbstractCegarLoop]: === Iteration 78 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:41,428 INFO L82 PathProgramCache]: Analyzing trace with hash -940048966, now seen corresponding path program 77 times [2018-07-23 13:54:41,428 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:41,701 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:41,701 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:54:41,702 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:41,702 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 13:54:41,702 INFO L185 omatonBuilderFactory]: Interpolants [28579#true, 28580#false, 28581#(<= (+ main_offset 40000) main_length), 28582#(<= (+ main_offset 39996) main_length), 28583#(<= (+ main_offset 39992) main_length), 28584#(<= (+ main_offset 39988) main_length), 28585#(<= (+ main_offset 39984) main_length), 28586#(<= (+ main_offset 39980) main_length), 28587#(<= (+ main_offset 39976) main_length), 28588#(<= (+ main_offset 39972) main_length), 28589#(<= (+ main_offset 39968) main_length), 28590#(<= (+ main_offset 39964) main_length), 28591#(<= (+ main_offset 39960) main_length), 28592#(<= (+ main_offset 39956) main_length), 28593#(<= (+ main_offset 39952) main_length), 28594#(<= (+ main_offset 39948) main_length), 28595#(<= (+ main_offset 39944) main_length), 28596#(<= (+ main_offset 39940) main_length), 28597#(<= (+ main_offset 39936) main_length), 28598#(<= (+ main_offset 39932) main_length), 28599#(<= (+ main_offset 39928) main_length), 28600#(<= (+ main_offset 39924) main_length), 28601#(<= (+ main_offset 39920) main_length), 28602#(<= (+ main_offset 39916) main_length), 28603#(<= (+ main_offset 39912) main_length), 28604#(<= (+ main_offset 39908) main_length), 28605#(<= (+ main_offset 39904) main_length), 28606#(<= (+ main_offset 39900) main_length), 28607#(<= (+ main_offset 39896) main_length), 28608#(<= (+ main_offset 39892) main_length), 28609#(<= (+ main_offset 39888) main_length), 28610#(<= (+ main_offset 39884) main_length), 28611#(<= (+ main_offset 39880) main_length), 28612#(<= (+ main_offset 39876) main_length), 28613#(<= (+ main_offset 39872) main_length), 28614#(<= (+ main_offset 39868) main_length), 28615#(<= (+ main_offset 39864) main_length), 28616#(<= (+ main_offset 39860) main_length), 28617#(<= (+ main_offset 39856) main_length), 28618#(<= (+ main_offset 39852) main_length), 28619#(<= (+ main_offset 39848) main_length), 28620#(<= (+ main_offset 39844) main_length), 28621#(<= (+ main_offset 39840) main_length), 28622#(<= (+ main_offset 39836) main_length), 28623#(<= (+ main_offset 39832) main_length), 28624#(<= (+ main_offset 39828) main_length), 28625#(<= (+ main_offset 39824) main_length), 28626#(<= (+ main_offset 39820) main_length), 28627#(<= (+ main_offset 39816) main_length), 28628#(<= (+ main_offset 39812) main_length), 28629#(<= (+ main_offset 39808) main_length), 28630#(<= (+ main_offset 39804) main_length), 28631#(<= (+ main_offset 39800) main_length), 28632#(<= (+ main_offset 39796) main_length), 28633#(<= (+ main_offset 39792) main_length), 28634#(<= (+ main_offset 39788) main_length), 28635#(<= (+ main_offset 39784) main_length), 28636#(<= (+ main_offset 39780) main_length), 28637#(<= (+ main_offset 39776) main_length), 28638#(<= (+ main_offset 39772) main_length), 28639#(<= (+ main_offset 39768) main_length), 28640#(<= (+ main_offset 39764) main_length), 28641#(<= (+ main_offset 39760) main_length), 28642#(<= (+ main_offset 39756) main_length), 28643#(<= (+ main_offset 39752) main_length), 28644#(<= (+ main_offset 39748) main_length), 28645#(<= (+ main_offset 39744) main_length), 28646#(<= (+ main_offset 39740) main_length), 28647#(<= (+ main_offset 39736) main_length), 28648#(<= (+ main_offset 39732) main_length), 28649#(<= (+ main_offset 39728) main_length), 28650#(<= (+ main_offset 39724) main_length), 28651#(<= (+ main_offset 39720) main_length), 28652#(<= (+ main_offset 39716) main_length), 28653#(<= (+ main_offset 39712) main_length), 28654#(<= (+ main_offset 39708) main_length), 28655#(<= (+ main_offset 39704) main_length), 28656#(<= (+ main_offset 39700) main_length), 28657#(<= (+ main_offset 39696) main_length), 28658#(<= (+ main_offset 39692) main_length)] [2018-07-23 13:54:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:41,703 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:54:41,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:54:41,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:54:41,704 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand 80 states. [2018-07-23 13:54:41,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:41,807 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:54:41,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:54:41,808 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 157 [2018-07-23 13:54:41,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:41,809 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:54:41,809 INFO L226 Difference]: Without dead ends: 160 [2018-07-23 13:54:41,809 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:54:41,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-07-23 13:54:41,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-07-23 13:54:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-07-23 13:54:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 160 transitions. [2018-07-23 13:54:41,814 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 160 transitions. Word has length 157 [2018-07-23 13:54:41,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:41,815 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 160 transitions. [2018-07-23 13:54:41,815 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:54:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 160 transitions. [2018-07-23 13:54:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-23 13:54:41,816 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:41,816 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1] [2018-07-23 13:54:41,816 INFO L414 AbstractCegarLoop]: === Iteration 79 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:41,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1443923076, now seen corresponding path program 78 times [2018-07-23 13:54:41,817 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:42,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:42,094 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:42,094 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:54:42,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:42,095 INFO L185 omatonBuilderFactory]: Interpolants [29312#(<= (+ main_offset 39964) main_length), 29313#(<= (+ main_offset 39960) main_length), 29314#(<= (+ main_offset 39956) main_length), 29315#(<= (+ main_offset 39952) main_length), 29316#(<= (+ main_offset 39948) main_length), 29317#(<= (+ main_offset 39944) main_length), 29318#(<= (+ main_offset 39940) main_length), 29319#(<= (+ main_offset 39936) main_length), 29320#(<= (+ main_offset 39932) main_length), 29321#(<= (+ main_offset 39928) main_length), 29322#(<= (+ main_offset 39924) main_length), 29323#(<= (+ main_offset 39920) main_length), 29324#(<= (+ main_offset 39916) main_length), 29325#(<= (+ main_offset 39912) main_length), 29326#(<= (+ main_offset 39908) main_length), 29327#(<= (+ main_offset 39904) main_length), 29328#(<= (+ main_offset 39900) main_length), 29329#(<= (+ main_offset 39896) main_length), 29330#(<= (+ main_offset 39892) main_length), 29331#(<= (+ main_offset 39888) main_length), 29332#(<= (+ main_offset 39884) main_length), 29333#(<= (+ main_offset 39880) main_length), 29334#(<= (+ main_offset 39876) main_length), 29335#(<= (+ main_offset 39872) main_length), 29336#(<= (+ main_offset 39868) main_length), 29337#(<= (+ main_offset 39864) main_length), 29338#(<= (+ main_offset 39860) main_length), 29339#(<= (+ main_offset 39856) main_length), 29340#(<= (+ main_offset 39852) main_length), 29341#(<= (+ main_offset 39848) main_length), 29342#(<= (+ main_offset 39844) main_length), 29343#(<= (+ main_offset 39840) main_length), 29344#(<= (+ main_offset 39836) main_length), 29345#(<= (+ main_offset 39832) main_length), 29346#(<= (+ main_offset 39828) main_length), 29347#(<= (+ main_offset 39824) main_length), 29348#(<= (+ main_offset 39820) main_length), 29349#(<= (+ main_offset 39816) main_length), 29350#(<= (+ main_offset 39812) main_length), 29351#(<= (+ main_offset 39808) main_length), 29352#(<= (+ main_offset 39804) main_length), 29353#(<= (+ main_offset 39800) main_length), 29354#(<= (+ main_offset 39796) main_length), 29355#(<= (+ main_offset 39792) main_length), 29356#(<= (+ main_offset 39788) main_length), 29357#(<= (+ main_offset 39784) main_length), 29358#(<= (+ main_offset 39780) main_length), 29359#(<= (+ main_offset 39776) main_length), 29360#(<= (+ main_offset 39772) main_length), 29361#(<= (+ main_offset 39768) main_length), 29362#(<= (+ main_offset 39764) main_length), 29363#(<= (+ main_offset 39760) main_length), 29364#(<= (+ main_offset 39756) main_length), 29365#(<= (+ main_offset 39752) main_length), 29366#(<= (+ main_offset 39748) main_length), 29367#(<= (+ main_offset 39744) main_length), 29368#(<= (+ main_offset 39740) main_length), 29369#(<= (+ main_offset 39736) main_length), 29370#(<= (+ main_offset 39732) main_length), 29371#(<= (+ main_offset 39728) main_length), 29372#(<= (+ main_offset 39724) main_length), 29373#(<= (+ main_offset 39720) main_length), 29374#(<= (+ main_offset 39716) main_length), 29375#(<= (+ main_offset 39712) main_length), 29376#(<= (+ main_offset 39708) main_length), 29377#(<= (+ main_offset 39704) main_length), 29378#(<= (+ main_offset 39700) main_length), 29379#(<= (+ main_offset 39696) main_length), 29380#(<= (+ main_offset 39692) main_length), 29381#(<= (+ main_offset 39688) main_length), 29301#true, 29302#false, 29303#(<= (+ main_offset 40000) main_length), 29304#(<= (+ main_offset 39996) main_length), 29305#(<= (+ main_offset 39992) main_length), 29306#(<= (+ main_offset 39988) main_length), 29307#(<= (+ main_offset 39984) main_length), 29308#(<= (+ main_offset 39980) main_length), 29309#(<= (+ main_offset 39976) main_length), 29310#(<= (+ main_offset 39972) main_length), 29311#(<= (+ main_offset 39968) main_length)] [2018-07-23 13:54:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:42,095 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:54:42,096 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:54:42,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:54:42,096 INFO L87 Difference]: Start difference. First operand 160 states and 160 transitions. Second operand 81 states. [2018-07-23 13:54:42,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:42,185 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:54:42,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:54:42,186 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 159 [2018-07-23 13:54:42,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:42,186 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:54:42,186 INFO L226 Difference]: Without dead ends: 162 [2018-07-23 13:54:42,187 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:54:42,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-07-23 13:54:42,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-07-23 13:54:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-07-23 13:54:42,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2018-07-23 13:54:42,191 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 159 [2018-07-23 13:54:42,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:42,191 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2018-07-23 13:54:42,191 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:54:42,191 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2018-07-23 13:54:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-07-23 13:54:42,192 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:42,192 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1] [2018-07-23 13:54:42,192 INFO L414 AbstractCegarLoop]: === Iteration 80 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:42,192 INFO L82 PathProgramCache]: Analyzing trace with hash -335638338, now seen corresponding path program 79 times [2018-07-23 13:54:42,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:42,503 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:42,503 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:54:42,503 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:42,504 INFO L185 omatonBuilderFactory]: Interpolants [30080#(<= (+ main_offset 39816) main_length), 30081#(<= (+ main_offset 39812) main_length), 30082#(<= (+ main_offset 39808) main_length), 30083#(<= (+ main_offset 39804) main_length), 30084#(<= (+ main_offset 39800) main_length), 30085#(<= (+ main_offset 39796) main_length), 30086#(<= (+ main_offset 39792) main_length), 30087#(<= (+ main_offset 39788) main_length), 30088#(<= (+ main_offset 39784) main_length), 30089#(<= (+ main_offset 39780) main_length), 30090#(<= (+ main_offset 39776) main_length), 30091#(<= (+ main_offset 39772) main_length), 30092#(<= (+ main_offset 39768) main_length), 30093#(<= (+ main_offset 39764) main_length), 30094#(<= (+ main_offset 39760) main_length), 30095#(<= (+ main_offset 39756) main_length), 30096#(<= (+ main_offset 39752) main_length), 30097#(<= (+ main_offset 39748) main_length), 30098#(<= (+ main_offset 39744) main_length), 30099#(<= (+ main_offset 39740) main_length), 30100#(<= (+ main_offset 39736) main_length), 30101#(<= (+ main_offset 39732) main_length), 30102#(<= (+ main_offset 39728) main_length), 30103#(<= (+ main_offset 39724) main_length), 30104#(<= (+ main_offset 39720) main_length), 30105#(<= (+ main_offset 39716) main_length), 30106#(<= (+ main_offset 39712) main_length), 30107#(<= (+ main_offset 39708) main_length), 30108#(<= (+ main_offset 39704) main_length), 30109#(<= (+ main_offset 39700) main_length), 30110#(<= (+ main_offset 39696) main_length), 30111#(<= (+ main_offset 39692) main_length), 30112#(<= (+ main_offset 39688) main_length), 30113#(<= (+ main_offset 39684) main_length), 30032#true, 30033#false, 30034#(<= (+ main_offset 40000) main_length), 30035#(<= (+ main_offset 39996) main_length), 30036#(<= (+ main_offset 39992) main_length), 30037#(<= (+ main_offset 39988) main_length), 30038#(<= (+ main_offset 39984) main_length), 30039#(<= (+ main_offset 39980) main_length), 30040#(<= (+ main_offset 39976) main_length), 30041#(<= (+ main_offset 39972) main_length), 30042#(<= (+ main_offset 39968) main_length), 30043#(<= (+ main_offset 39964) main_length), 30044#(<= (+ main_offset 39960) main_length), 30045#(<= (+ main_offset 39956) main_length), 30046#(<= (+ main_offset 39952) main_length), 30047#(<= (+ main_offset 39948) main_length), 30048#(<= (+ main_offset 39944) main_length), 30049#(<= (+ main_offset 39940) main_length), 30050#(<= (+ main_offset 39936) main_length), 30051#(<= (+ main_offset 39932) main_length), 30052#(<= (+ main_offset 39928) main_length), 30053#(<= (+ main_offset 39924) main_length), 30054#(<= (+ main_offset 39920) main_length), 30055#(<= (+ main_offset 39916) main_length), 30056#(<= (+ main_offset 39912) main_length), 30057#(<= (+ main_offset 39908) main_length), 30058#(<= (+ main_offset 39904) main_length), 30059#(<= (+ main_offset 39900) main_length), 30060#(<= (+ main_offset 39896) main_length), 30061#(<= (+ main_offset 39892) main_length), 30062#(<= (+ main_offset 39888) main_length), 30063#(<= (+ main_offset 39884) main_length), 30064#(<= (+ main_offset 39880) main_length), 30065#(<= (+ main_offset 39876) main_length), 30066#(<= (+ main_offset 39872) main_length), 30067#(<= (+ main_offset 39868) main_length), 30068#(<= (+ main_offset 39864) main_length), 30069#(<= (+ main_offset 39860) main_length), 30070#(<= (+ main_offset 39856) main_length), 30071#(<= (+ main_offset 39852) main_length), 30072#(<= (+ main_offset 39848) main_length), 30073#(<= (+ main_offset 39844) main_length), 30074#(<= (+ main_offset 39840) main_length), 30075#(<= (+ main_offset 39836) main_length), 30076#(<= (+ main_offset 39832) main_length), 30077#(<= (+ main_offset 39828) main_length), 30078#(<= (+ main_offset 39824) main_length), 30079#(<= (+ main_offset 39820) main_length)] [2018-07-23 13:54:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:42,504 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:54:42,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:54:42,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:54:42,506 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand 82 states. [2018-07-23 13:54:42,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:42,562 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:54:42,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:54:42,562 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 161 [2018-07-23 13:54:42,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:42,563 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:54:42,563 INFO L226 Difference]: Without dead ends: 164 [2018-07-23 13:54:42,564 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:54:42,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-07-23 13:54:42,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-07-23 13:54:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-07-23 13:54:42,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2018-07-23 13:54:42,570 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 161 [2018-07-23 13:54:42,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:42,571 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2018-07-23 13:54:42,571 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:54:42,571 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2018-07-23 13:54:42,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-07-23 13:54:42,572 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:42,572 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1] [2018-07-23 13:54:42,572 INFO L414 AbstractCegarLoop]: === Iteration 81 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:42,572 INFO L82 PathProgramCache]: Analyzing trace with hash -425894528, now seen corresponding path program 80 times [2018-07-23 13:54:42,572 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:42,879 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:42,879 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:54:42,879 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:42,880 INFO L185 omatonBuilderFactory]: Interpolants [30848#(<= (+ main_offset 39704) main_length), 30849#(<= (+ main_offset 39700) main_length), 30850#(<= (+ main_offset 39696) main_length), 30851#(<= (+ main_offset 39692) main_length), 30852#(<= (+ main_offset 39688) main_length), 30853#(<= (+ main_offset 39684) main_length), 30854#(<= (+ main_offset 39680) main_length), 30772#true, 30773#false, 30774#(<= (+ main_offset 40000) main_length), 30775#(<= (+ main_offset 39996) main_length), 30776#(<= (+ main_offset 39992) main_length), 30777#(<= (+ main_offset 39988) main_length), 30778#(<= (+ main_offset 39984) main_length), 30779#(<= (+ main_offset 39980) main_length), 30780#(<= (+ main_offset 39976) main_length), 30781#(<= (+ main_offset 39972) main_length), 30782#(<= (+ main_offset 39968) main_length), 30783#(<= (+ main_offset 39964) main_length), 30784#(<= (+ main_offset 39960) main_length), 30785#(<= (+ main_offset 39956) main_length), 30786#(<= (+ main_offset 39952) main_length), 30787#(<= (+ main_offset 39948) main_length), 30788#(<= (+ main_offset 39944) main_length), 30789#(<= (+ main_offset 39940) main_length), 30790#(<= (+ main_offset 39936) main_length), 30791#(<= (+ main_offset 39932) main_length), 30792#(<= (+ main_offset 39928) main_length), 30793#(<= (+ main_offset 39924) main_length), 30794#(<= (+ main_offset 39920) main_length), 30795#(<= (+ main_offset 39916) main_length), 30796#(<= (+ main_offset 39912) main_length), 30797#(<= (+ main_offset 39908) main_length), 30798#(<= (+ main_offset 39904) main_length), 30799#(<= (+ main_offset 39900) main_length), 30800#(<= (+ main_offset 39896) main_length), 30801#(<= (+ main_offset 39892) main_length), 30802#(<= (+ main_offset 39888) main_length), 30803#(<= (+ main_offset 39884) main_length), 30804#(<= (+ main_offset 39880) main_length), 30805#(<= (+ main_offset 39876) main_length), 30806#(<= (+ main_offset 39872) main_length), 30807#(<= (+ main_offset 39868) main_length), 30808#(<= (+ main_offset 39864) main_length), 30809#(<= (+ main_offset 39860) main_length), 30810#(<= (+ main_offset 39856) main_length), 30811#(<= (+ main_offset 39852) main_length), 30812#(<= (+ main_offset 39848) main_length), 30813#(<= (+ main_offset 39844) main_length), 30814#(<= (+ main_offset 39840) main_length), 30815#(<= (+ main_offset 39836) main_length), 30816#(<= (+ main_offset 39832) main_length), 30817#(<= (+ main_offset 39828) main_length), 30818#(<= (+ main_offset 39824) main_length), 30819#(<= (+ main_offset 39820) main_length), 30820#(<= (+ main_offset 39816) main_length), 30821#(<= (+ main_offset 39812) main_length), 30822#(<= (+ main_offset 39808) main_length), 30823#(<= (+ main_offset 39804) main_length), 30824#(<= (+ main_offset 39800) main_length), 30825#(<= (+ main_offset 39796) main_length), 30826#(<= (+ main_offset 39792) main_length), 30827#(<= (+ main_offset 39788) main_length), 30828#(<= (+ main_offset 39784) main_length), 30829#(<= (+ main_offset 39780) main_length), 30830#(<= (+ main_offset 39776) main_length), 30831#(<= (+ main_offset 39772) main_length), 30832#(<= (+ main_offset 39768) main_length), 30833#(<= (+ main_offset 39764) main_length), 30834#(<= (+ main_offset 39760) main_length), 30835#(<= (+ main_offset 39756) main_length), 30836#(<= (+ main_offset 39752) main_length), 30837#(<= (+ main_offset 39748) main_length), 30838#(<= (+ main_offset 39744) main_length), 30839#(<= (+ main_offset 39740) main_length), 30840#(<= (+ main_offset 39736) main_length), 30841#(<= (+ main_offset 39732) main_length), 30842#(<= (+ main_offset 39728) main_length), 30843#(<= (+ main_offset 39724) main_length), 30844#(<= (+ main_offset 39720) main_length), 30845#(<= (+ main_offset 39716) main_length), 30846#(<= (+ main_offset 39712) main_length), 30847#(<= (+ main_offset 39708) main_length)] [2018-07-23 13:54:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:42,880 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:54:42,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:54:42,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:54:42,881 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand 83 states. [2018-07-23 13:54:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:42,975 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:54:42,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:54:42,975 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 163 [2018-07-23 13:54:42,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:42,976 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:54:42,976 INFO L226 Difference]: Without dead ends: 166 [2018-07-23 13:54:42,977 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:54:42,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-07-23 13:54:42,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-07-23 13:54:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-07-23 13:54:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 166 transitions. [2018-07-23 13:54:42,982 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 166 transitions. Word has length 163 [2018-07-23 13:54:42,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:42,982 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 166 transitions. [2018-07-23 13:54:42,982 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:54:42,983 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 166 transitions. [2018-07-23 13:54:42,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-07-23 13:54:42,983 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:42,984 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1] [2018-07-23 13:54:42,984 INFO L414 AbstractCegarLoop]: === Iteration 82 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:42,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1262747198, now seen corresponding path program 81 times [2018-07-23 13:54:42,984 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,224 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:43,225 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:54:43,225 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,225 INFO L185 omatonBuilderFactory]: Interpolants [31521#true, 31522#false, 31523#(<= (+ main_offset 40000) main_length), 31524#(<= (+ main_offset 39996) main_length), 31525#(<= (+ main_offset 39992) main_length), 31526#(<= (+ main_offset 39988) main_length), 31527#(<= (+ main_offset 39984) main_length), 31528#(<= (+ main_offset 39980) main_length), 31529#(<= (+ main_offset 39976) main_length), 31530#(<= (+ main_offset 39972) main_length), 31531#(<= (+ main_offset 39968) main_length), 31532#(<= (+ main_offset 39964) main_length), 31533#(<= (+ main_offset 39960) main_length), 31534#(<= (+ main_offset 39956) main_length), 31535#(<= (+ main_offset 39952) main_length), 31536#(<= (+ main_offset 39948) main_length), 31537#(<= (+ main_offset 39944) main_length), 31538#(<= (+ main_offset 39940) main_length), 31539#(<= (+ main_offset 39936) main_length), 31540#(<= (+ main_offset 39932) main_length), 31541#(<= (+ main_offset 39928) main_length), 31542#(<= (+ main_offset 39924) main_length), 31543#(<= (+ main_offset 39920) main_length), 31544#(<= (+ main_offset 39916) main_length), 31545#(<= (+ main_offset 39912) main_length), 31546#(<= (+ main_offset 39908) main_length), 31547#(<= (+ main_offset 39904) main_length), 31548#(<= (+ main_offset 39900) main_length), 31549#(<= (+ main_offset 39896) main_length), 31550#(<= (+ main_offset 39892) main_length), 31551#(<= (+ main_offset 39888) main_length), 31552#(<= (+ main_offset 39884) main_length), 31553#(<= (+ main_offset 39880) main_length), 31554#(<= (+ main_offset 39876) main_length), 31555#(<= (+ main_offset 39872) main_length), 31556#(<= (+ main_offset 39868) main_length), 31557#(<= (+ main_offset 39864) main_length), 31558#(<= (+ main_offset 39860) main_length), 31559#(<= (+ main_offset 39856) main_length), 31560#(<= (+ main_offset 39852) main_length), 31561#(<= (+ main_offset 39848) main_length), 31562#(<= (+ main_offset 39844) main_length), 31563#(<= (+ main_offset 39840) main_length), 31564#(<= (+ main_offset 39836) main_length), 31565#(<= (+ main_offset 39832) main_length), 31566#(<= (+ main_offset 39828) main_length), 31567#(<= (+ main_offset 39824) main_length), 31568#(<= (+ main_offset 39820) main_length), 31569#(<= (+ main_offset 39816) main_length), 31570#(<= (+ main_offset 39812) main_length), 31571#(<= (+ main_offset 39808) main_length), 31572#(<= (+ main_offset 39804) main_length), 31573#(<= (+ main_offset 39800) main_length), 31574#(<= (+ main_offset 39796) main_length), 31575#(<= (+ main_offset 39792) main_length), 31576#(<= (+ main_offset 39788) main_length), 31577#(<= (+ main_offset 39784) main_length), 31578#(<= (+ main_offset 39780) main_length), 31579#(<= (+ main_offset 39776) main_length), 31580#(<= (+ main_offset 39772) main_length), 31581#(<= (+ main_offset 39768) main_length), 31582#(<= (+ main_offset 39764) main_length), 31583#(<= (+ main_offset 39760) main_length), 31584#(<= (+ main_offset 39756) main_length), 31585#(<= (+ main_offset 39752) main_length), 31586#(<= (+ main_offset 39748) main_length), 31587#(<= (+ main_offset 39744) main_length), 31588#(<= (+ main_offset 39740) main_length), 31589#(<= (+ main_offset 39736) main_length), 31590#(<= (+ main_offset 39732) main_length), 31591#(<= (+ main_offset 39728) main_length), 31592#(<= (+ main_offset 39724) main_length), 31593#(<= (+ main_offset 39720) main_length), 31594#(<= (+ main_offset 39716) main_length), 31595#(<= (+ main_offset 39712) main_length), 31596#(<= (+ main_offset 39708) main_length), 31597#(<= (+ main_offset 39704) main_length), 31598#(<= (+ main_offset 39700) main_length), 31599#(<= (+ main_offset 39696) main_length), 31600#(<= (+ main_offset 39692) main_length), 31601#(<= (+ main_offset 39688) main_length), 31602#(<= (+ main_offset 39684) main_length), 31603#(<= (+ main_offset 39680) main_length), 31604#(<= (+ main_offset 39676) main_length)] [2018-07-23 13:54:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,226 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:54:43,226 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:54:43,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:54:43,227 INFO L87 Difference]: Start difference. First operand 166 states and 166 transitions. Second operand 84 states. [2018-07-23 13:54:43,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:43,318 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:54:43,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:54:43,318 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 165 [2018-07-23 13:54:43,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:43,319 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:54:43,319 INFO L226 Difference]: Without dead ends: 168 [2018-07-23 13:54:43,319 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:54:43,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-23 13:54:43,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-07-23 13:54:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-07-23 13:54:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 168 transitions. [2018-07-23 13:54:43,323 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 168 transitions. Word has length 165 [2018-07-23 13:54:43,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:43,323 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 168 transitions. [2018-07-23 13:54:43,323 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:54:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 168 transitions. [2018-07-23 13:54:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-07-23 13:54:43,324 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:43,324 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1] [2018-07-23 13:54:43,324 INFO L414 AbstractCegarLoop]: === Iteration 83 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:43,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1975688580, now seen corresponding path program 82 times [2018-07-23 13:54:43,324 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,568 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:43,568 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:54:43,569 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,569 INFO L185 omatonBuilderFactory]: Interpolants [32279#true, 32280#false, 32281#(<= (+ main_offset 40000) main_length), 32282#(<= (+ main_offset 39996) main_length), 32283#(<= (+ main_offset 39992) main_length), 32284#(<= (+ main_offset 39988) main_length), 32285#(<= (+ main_offset 39984) main_length), 32286#(<= (+ main_offset 39980) main_length), 32287#(<= (+ main_offset 39976) main_length), 32288#(<= (+ main_offset 39972) main_length), 32289#(<= (+ main_offset 39968) main_length), 32290#(<= (+ main_offset 39964) main_length), 32291#(<= (+ main_offset 39960) main_length), 32292#(<= (+ main_offset 39956) main_length), 32293#(<= (+ main_offset 39952) main_length), 32294#(<= (+ main_offset 39948) main_length), 32295#(<= (+ main_offset 39944) main_length), 32296#(<= (+ main_offset 39940) main_length), 32297#(<= (+ main_offset 39936) main_length), 32298#(<= (+ main_offset 39932) main_length), 32299#(<= (+ main_offset 39928) main_length), 32300#(<= (+ main_offset 39924) main_length), 32301#(<= (+ main_offset 39920) main_length), 32302#(<= (+ main_offset 39916) main_length), 32303#(<= (+ main_offset 39912) main_length), 32304#(<= (+ main_offset 39908) main_length), 32305#(<= (+ main_offset 39904) main_length), 32306#(<= (+ main_offset 39900) main_length), 32307#(<= (+ main_offset 39896) main_length), 32308#(<= (+ main_offset 39892) main_length), 32309#(<= (+ main_offset 39888) main_length), 32310#(<= (+ main_offset 39884) main_length), 32311#(<= (+ main_offset 39880) main_length), 32312#(<= (+ main_offset 39876) main_length), 32313#(<= (+ main_offset 39872) main_length), 32314#(<= (+ main_offset 39868) main_length), 32315#(<= (+ main_offset 39864) main_length), 32316#(<= (+ main_offset 39860) main_length), 32317#(<= (+ main_offset 39856) main_length), 32318#(<= (+ main_offset 39852) main_length), 32319#(<= (+ main_offset 39848) main_length), 32320#(<= (+ main_offset 39844) main_length), 32321#(<= (+ main_offset 39840) main_length), 32322#(<= (+ main_offset 39836) main_length), 32323#(<= (+ main_offset 39832) main_length), 32324#(<= (+ main_offset 39828) main_length), 32325#(<= (+ main_offset 39824) main_length), 32326#(<= (+ main_offset 39820) main_length), 32327#(<= (+ main_offset 39816) main_length), 32328#(<= (+ main_offset 39812) main_length), 32329#(<= (+ main_offset 39808) main_length), 32330#(<= (+ main_offset 39804) main_length), 32331#(<= (+ main_offset 39800) main_length), 32332#(<= (+ main_offset 39796) main_length), 32333#(<= (+ main_offset 39792) main_length), 32334#(<= (+ main_offset 39788) main_length), 32335#(<= (+ main_offset 39784) main_length), 32336#(<= (+ main_offset 39780) main_length), 32337#(<= (+ main_offset 39776) main_length), 32338#(<= (+ main_offset 39772) main_length), 32339#(<= (+ main_offset 39768) main_length), 32340#(<= (+ main_offset 39764) main_length), 32341#(<= (+ main_offset 39760) main_length), 32342#(<= (+ main_offset 39756) main_length), 32343#(<= (+ main_offset 39752) main_length), 32344#(<= (+ main_offset 39748) main_length), 32345#(<= (+ main_offset 39744) main_length), 32346#(<= (+ main_offset 39740) main_length), 32347#(<= (+ main_offset 39736) main_length), 32348#(<= (+ main_offset 39732) main_length), 32349#(<= (+ main_offset 39728) main_length), 32350#(<= (+ main_offset 39724) main_length), 32351#(<= (+ main_offset 39720) main_length), 32352#(<= (+ main_offset 39716) main_length), 32353#(<= (+ main_offset 39712) main_length), 32354#(<= (+ main_offset 39708) main_length), 32355#(<= (+ main_offset 39704) main_length), 32356#(<= (+ main_offset 39700) main_length), 32357#(<= (+ main_offset 39696) main_length), 32358#(<= (+ main_offset 39692) main_length), 32359#(<= (+ main_offset 39688) main_length), 32360#(<= (+ main_offset 39684) main_length), 32361#(<= (+ main_offset 39680) main_length), 32362#(<= (+ main_offset 39676) main_length), 32363#(<= (+ main_offset 39672) main_length)] [2018-07-23 13:54:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,570 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:54:43,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:54:43,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:54:43,571 INFO L87 Difference]: Start difference. First operand 168 states and 168 transitions. Second operand 85 states. [2018-07-23 13:54:43,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:43,666 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:54:43,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:54:43,666 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 167 [2018-07-23 13:54:43,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:43,667 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:54:43,667 INFO L226 Difference]: Without dead ends: 170 [2018-07-23 13:54:43,667 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:54:43,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-07-23 13:54:43,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-07-23 13:54:43,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-07-23 13:54:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-07-23 13:54:43,671 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 170 transitions. Word has length 167 [2018-07-23 13:54:43,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:43,671 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 170 transitions. [2018-07-23 13:54:43,671 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:54:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-07-23 13:54:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-07-23 13:54:43,672 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:43,672 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1] [2018-07-23 13:54:43,672 INFO L414 AbstractCegarLoop]: === Iteration 84 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:43,672 INFO L82 PathProgramCache]: Analyzing trace with hash 261181638, now seen corresponding path program 83 times [2018-07-23 13:54:43,672 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,921 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:43,921 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:54:43,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,922 INFO L185 omatonBuilderFactory]: Interpolants [33046#true, 33047#false, 33048#(<= (+ main_offset 40000) main_length), 33049#(<= (+ main_offset 39996) main_length), 33050#(<= (+ main_offset 39992) main_length), 33051#(<= (+ main_offset 39988) main_length), 33052#(<= (+ main_offset 39984) main_length), 33053#(<= (+ main_offset 39980) main_length), 33054#(<= (+ main_offset 39976) main_length), 33055#(<= (+ main_offset 39972) main_length), 33056#(<= (+ main_offset 39968) main_length), 33057#(<= (+ main_offset 39964) main_length), 33058#(<= (+ main_offset 39960) main_length), 33059#(<= (+ main_offset 39956) main_length), 33060#(<= (+ main_offset 39952) main_length), 33061#(<= (+ main_offset 39948) main_length), 33062#(<= (+ main_offset 39944) main_length), 33063#(<= (+ main_offset 39940) main_length), 33064#(<= (+ main_offset 39936) main_length), 33065#(<= (+ main_offset 39932) main_length), 33066#(<= (+ main_offset 39928) main_length), 33067#(<= (+ main_offset 39924) main_length), 33068#(<= (+ main_offset 39920) main_length), 33069#(<= (+ main_offset 39916) main_length), 33070#(<= (+ main_offset 39912) main_length), 33071#(<= (+ main_offset 39908) main_length), 33072#(<= (+ main_offset 39904) main_length), 33073#(<= (+ main_offset 39900) main_length), 33074#(<= (+ main_offset 39896) main_length), 33075#(<= (+ main_offset 39892) main_length), 33076#(<= (+ main_offset 39888) main_length), 33077#(<= (+ main_offset 39884) main_length), 33078#(<= (+ main_offset 39880) main_length), 33079#(<= (+ main_offset 39876) main_length), 33080#(<= (+ main_offset 39872) main_length), 33081#(<= (+ main_offset 39868) main_length), 33082#(<= (+ main_offset 39864) main_length), 33083#(<= (+ main_offset 39860) main_length), 33084#(<= (+ main_offset 39856) main_length), 33085#(<= (+ main_offset 39852) main_length), 33086#(<= (+ main_offset 39848) main_length), 33087#(<= (+ main_offset 39844) main_length), 33088#(<= (+ main_offset 39840) main_length), 33089#(<= (+ main_offset 39836) main_length), 33090#(<= (+ main_offset 39832) main_length), 33091#(<= (+ main_offset 39828) main_length), 33092#(<= (+ main_offset 39824) main_length), 33093#(<= (+ main_offset 39820) main_length), 33094#(<= (+ main_offset 39816) main_length), 33095#(<= (+ main_offset 39812) main_length), 33096#(<= (+ main_offset 39808) main_length), 33097#(<= (+ main_offset 39804) main_length), 33098#(<= (+ main_offset 39800) main_length), 33099#(<= (+ main_offset 39796) main_length), 33100#(<= (+ main_offset 39792) main_length), 33101#(<= (+ main_offset 39788) main_length), 33102#(<= (+ main_offset 39784) main_length), 33103#(<= (+ main_offset 39780) main_length), 33104#(<= (+ main_offset 39776) main_length), 33105#(<= (+ main_offset 39772) main_length), 33106#(<= (+ main_offset 39768) main_length), 33107#(<= (+ main_offset 39764) main_length), 33108#(<= (+ main_offset 39760) main_length), 33109#(<= (+ main_offset 39756) main_length), 33110#(<= (+ main_offset 39752) main_length), 33111#(<= (+ main_offset 39748) main_length), 33112#(<= (+ main_offset 39744) main_length), 33113#(<= (+ main_offset 39740) main_length), 33114#(<= (+ main_offset 39736) main_length), 33115#(<= (+ main_offset 39732) main_length), 33116#(<= (+ main_offset 39728) main_length), 33117#(<= (+ main_offset 39724) main_length), 33118#(<= (+ main_offset 39720) main_length), 33119#(<= (+ main_offset 39716) main_length), 33120#(<= (+ main_offset 39712) main_length), 33121#(<= (+ main_offset 39708) main_length), 33122#(<= (+ main_offset 39704) main_length), 33123#(<= (+ main_offset 39700) main_length), 33124#(<= (+ main_offset 39696) main_length), 33125#(<= (+ main_offset 39692) main_length), 33126#(<= (+ main_offset 39688) main_length), 33127#(<= (+ main_offset 39684) main_length), 33128#(<= (+ main_offset 39680) main_length), 33129#(<= (+ main_offset 39676) main_length), 33130#(<= (+ main_offset 39672) main_length), 33131#(<= (+ main_offset 39668) main_length)] [2018-07-23 13:54:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,922 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:54:43,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:54:43,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:54:43,923 INFO L87 Difference]: Start difference. First operand 170 states and 170 transitions. Second operand 86 states. [2018-07-23 13:54:44,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:44,025 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:54:44,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:54:44,025 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 169 [2018-07-23 13:54:44,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:44,026 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:54:44,026 INFO L226 Difference]: Without dead ends: 172 [2018-07-23 13:54:44,026 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:54:44,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-07-23 13:54:44,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-07-23 13:54:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-07-23 13:54:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 172 transitions. [2018-07-23 13:54:44,030 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 172 transitions. Word has length 169 [2018-07-23 13:54:44,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:44,031 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 172 transitions. [2018-07-23 13:54:44,031 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:54:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 172 transitions. [2018-07-23 13:54:44,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-07-23 13:54:44,031 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:44,031 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1] [2018-07-23 13:54:44,032 INFO L414 AbstractCegarLoop]: === Iteration 85 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:44,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1887452040, now seen corresponding path program 84 times [2018-07-23 13:54:44,032 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:44,346 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 13:54:44,346 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:44,346 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:54:44,347 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:44,347 INFO L185 omatonBuilderFactory]: Interpolants [33822#true, 33823#false, 33824#(<= (+ main_offset 40000) main_length), 33825#(<= (+ main_offset 39996) main_length), 33826#(<= (+ main_offset 39992) main_length), 33827#(<= (+ main_offset 39988) main_length), 33828#(<= (+ main_offset 39984) main_length), 33829#(<= (+ main_offset 39980) main_length), 33830#(<= (+ main_offset 39976) main_length), 33831#(<= (+ main_offset 39972) main_length), 33832#(<= (+ main_offset 39968) main_length), 33833#(<= (+ main_offset 39964) main_length), 33834#(<= (+ main_offset 39960) main_length), 33835#(<= (+ main_offset 39956) main_length), 33836#(<= (+ main_offset 39952) main_length), 33837#(<= (+ main_offset 39948) main_length), 33838#(<= (+ main_offset 39944) main_length), 33839#(<= (+ main_offset 39940) main_length), 33840#(<= (+ main_offset 39936) main_length), 33841#(<= (+ main_offset 39932) main_length), 33842#(<= (+ main_offset 39928) main_length), 33843#(<= (+ main_offset 39924) main_length), 33844#(<= (+ main_offset 39920) main_length), 33845#(<= (+ main_offset 39916) main_length), 33846#(<= (+ main_offset 39912) main_length), 33847#(<= (+ main_offset 39908) main_length), 33848#(<= (+ main_offset 39904) main_length), 33849#(<= (+ main_offset 39900) main_length), 33850#(<= (+ main_offset 39896) main_length), 33851#(<= (+ main_offset 39892) main_length), 33852#(<= (+ main_offset 39888) main_length), 33853#(<= (+ main_offset 39884) main_length), 33854#(<= (+ main_offset 39880) main_length), 33855#(<= (+ main_offset 39876) main_length), 33856#(<= (+ main_offset 39872) main_length), 33857#(<= (+ main_offset 39868) main_length), 33858#(<= (+ main_offset 39864) main_length), 33859#(<= (+ main_offset 39860) main_length), 33860#(<= (+ main_offset 39856) main_length), 33861#(<= (+ main_offset 39852) main_length), 33862#(<= (+ main_offset 39848) main_length), 33863#(<= (+ main_offset 39844) main_length), 33864#(<= (+ main_offset 39840) main_length), 33865#(<= (+ main_offset 39836) main_length), 33866#(<= (+ main_offset 39832) main_length), 33867#(<= (+ main_offset 39828) main_length), 33868#(<= (+ main_offset 39824) main_length), 33869#(<= (+ main_offset 39820) main_length), 33870#(<= (+ main_offset 39816) main_length), 33871#(<= (+ main_offset 39812) main_length), 33872#(<= (+ main_offset 39808) main_length), 33873#(<= (+ main_offset 39804) main_length), 33874#(<= (+ main_offset 39800) main_length), 33875#(<= (+ main_offset 39796) main_length), 33876#(<= (+ main_offset 39792) main_length), 33877#(<= (+ main_offset 39788) main_length), 33878#(<= (+ main_offset 39784) main_length), 33879#(<= (+ main_offset 39780) main_length), 33880#(<= (+ main_offset 39776) main_length), 33881#(<= (+ main_offset 39772) main_length), 33882#(<= (+ main_offset 39768) main_length), 33883#(<= (+ main_offset 39764) main_length), 33884#(<= (+ main_offset 39760) main_length), 33885#(<= (+ main_offset 39756) main_length), 33886#(<= (+ main_offset 39752) main_length), 33887#(<= (+ main_offset 39748) main_length), 33888#(<= (+ main_offset 39744) main_length), 33889#(<= (+ main_offset 39740) main_length), 33890#(<= (+ main_offset 39736) main_length), 33891#(<= (+ main_offset 39732) main_length), 33892#(<= (+ main_offset 39728) main_length), 33893#(<= (+ main_offset 39724) main_length), 33894#(<= (+ main_offset 39720) main_length), 33895#(<= (+ main_offset 39716) main_length), 33896#(<= (+ main_offset 39712) main_length), 33897#(<= (+ main_offset 39708) main_length), 33898#(<= (+ main_offset 39704) main_length), 33899#(<= (+ main_offset 39700) main_length), 33900#(<= (+ main_offset 39696) main_length), 33901#(<= (+ main_offset 39692) main_length), 33902#(<= (+ main_offset 39688) main_length), 33903#(<= (+ main_offset 39684) main_length), 33904#(<= (+ main_offset 39680) main_length), 33905#(<= (+ main_offset 39676) main_length), 33906#(<= (+ main_offset 39672) main_length), 33907#(<= (+ main_offset 39668) main_length), 33908#(<= (+ main_offset 39664) main_length)] [2018-07-23 13:54:44,348 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 13:54:44,348 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:54:44,349 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:54:44,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:54:44,349 INFO L87 Difference]: Start difference. First operand 172 states and 172 transitions. Second operand 87 states. [2018-07-23 13:54:44,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:44,458 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:54:44,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:54:44,458 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 171 [2018-07-23 13:54:44,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:44,460 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:54:44,460 INFO L226 Difference]: Without dead ends: 174 [2018-07-23 13:54:44,460 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:54:44,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-23 13:54:44,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-07-23 13:54:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-07-23 13:54:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 174 transitions. [2018-07-23 13:54:44,466 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 174 transitions. Word has length 171 [2018-07-23 13:54:44,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:44,466 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 174 transitions. [2018-07-23 13:54:44,466 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:54:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 174 transitions. [2018-07-23 13:54:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-07-23 13:54:44,467 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:44,467 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1] [2018-07-23 13:54:44,467 INFO L414 AbstractCegarLoop]: === Iteration 86 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:44,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1365212618, now seen corresponding path program 85 times [2018-07-23 13:54:44,468 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:44,780 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:44,780 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:54:44,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:44,781 INFO L185 omatonBuilderFactory]: Interpolants [34688#(<= (+ main_offset 39684) main_length), 34689#(<= (+ main_offset 39680) main_length), 34690#(<= (+ main_offset 39676) main_length), 34691#(<= (+ main_offset 39672) main_length), 34692#(<= (+ main_offset 39668) main_length), 34693#(<= (+ main_offset 39664) main_length), 34694#(<= (+ main_offset 39660) main_length), 34607#true, 34608#false, 34609#(<= (+ main_offset 40000) main_length), 34610#(<= (+ main_offset 39996) main_length), 34611#(<= (+ main_offset 39992) main_length), 34612#(<= (+ main_offset 39988) main_length), 34613#(<= (+ main_offset 39984) main_length), 34614#(<= (+ main_offset 39980) main_length), 34615#(<= (+ main_offset 39976) main_length), 34616#(<= (+ main_offset 39972) main_length), 34617#(<= (+ main_offset 39968) main_length), 34618#(<= (+ main_offset 39964) main_length), 34619#(<= (+ main_offset 39960) main_length), 34620#(<= (+ main_offset 39956) main_length), 34621#(<= (+ main_offset 39952) main_length), 34622#(<= (+ main_offset 39948) main_length), 34623#(<= (+ main_offset 39944) main_length), 34624#(<= (+ main_offset 39940) main_length), 34625#(<= (+ main_offset 39936) main_length), 34626#(<= (+ main_offset 39932) main_length), 34627#(<= (+ main_offset 39928) main_length), 34628#(<= (+ main_offset 39924) main_length), 34629#(<= (+ main_offset 39920) main_length), 34630#(<= (+ main_offset 39916) main_length), 34631#(<= (+ main_offset 39912) main_length), 34632#(<= (+ main_offset 39908) main_length), 34633#(<= (+ main_offset 39904) main_length), 34634#(<= (+ main_offset 39900) main_length), 34635#(<= (+ main_offset 39896) main_length), 34636#(<= (+ main_offset 39892) main_length), 34637#(<= (+ main_offset 39888) main_length), 34638#(<= (+ main_offset 39884) main_length), 34639#(<= (+ main_offset 39880) main_length), 34640#(<= (+ main_offset 39876) main_length), 34641#(<= (+ main_offset 39872) main_length), 34642#(<= (+ main_offset 39868) main_length), 34643#(<= (+ main_offset 39864) main_length), 34644#(<= (+ main_offset 39860) main_length), 34645#(<= (+ main_offset 39856) main_length), 34646#(<= (+ main_offset 39852) main_length), 34647#(<= (+ main_offset 39848) main_length), 34648#(<= (+ main_offset 39844) main_length), 34649#(<= (+ main_offset 39840) main_length), 34650#(<= (+ main_offset 39836) main_length), 34651#(<= (+ main_offset 39832) main_length), 34652#(<= (+ main_offset 39828) main_length), 34653#(<= (+ main_offset 39824) main_length), 34654#(<= (+ main_offset 39820) main_length), 34655#(<= (+ main_offset 39816) main_length), 34656#(<= (+ main_offset 39812) main_length), 34657#(<= (+ main_offset 39808) main_length), 34658#(<= (+ main_offset 39804) main_length), 34659#(<= (+ main_offset 39800) main_length), 34660#(<= (+ main_offset 39796) main_length), 34661#(<= (+ main_offset 39792) main_length), 34662#(<= (+ main_offset 39788) main_length), 34663#(<= (+ main_offset 39784) main_length), 34664#(<= (+ main_offset 39780) main_length), 34665#(<= (+ main_offset 39776) main_length), 34666#(<= (+ main_offset 39772) main_length), 34667#(<= (+ main_offset 39768) main_length), 34668#(<= (+ main_offset 39764) main_length), 34669#(<= (+ main_offset 39760) main_length), 34670#(<= (+ main_offset 39756) main_length), 34671#(<= (+ main_offset 39752) main_length), 34672#(<= (+ main_offset 39748) main_length), 34673#(<= (+ main_offset 39744) main_length), 34674#(<= (+ main_offset 39740) main_length), 34675#(<= (+ main_offset 39736) main_length), 34676#(<= (+ main_offset 39732) main_length), 34677#(<= (+ main_offset 39728) main_length), 34678#(<= (+ main_offset 39724) main_length), 34679#(<= (+ main_offset 39720) main_length), 34680#(<= (+ main_offset 39716) main_length), 34681#(<= (+ main_offset 39712) main_length), 34682#(<= (+ main_offset 39708) main_length), 34683#(<= (+ main_offset 39704) main_length), 34684#(<= (+ main_offset 39700) main_length), 34685#(<= (+ main_offset 39696) main_length), 34686#(<= (+ main_offset 39692) main_length), 34687#(<= (+ main_offset 39688) main_length)] [2018-07-23 13:54:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:44,781 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:54:44,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:54:44,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:54:44,782 INFO L87 Difference]: Start difference. First operand 174 states and 174 transitions. Second operand 88 states. [2018-07-23 13:54:44,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:44,929 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:54:44,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:54:44,929 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 173 [2018-07-23 13:54:44,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:44,930 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:54:44,931 INFO L226 Difference]: Without dead ends: 176 [2018-07-23 13:54:44,931 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:54:44,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-07-23 13:54:44,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-07-23 13:54:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-07-23 13:54:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2018-07-23 13:54:44,937 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 176 transitions. Word has length 173 [2018-07-23 13:54:44,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:44,937 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 176 transitions. [2018-07-23 13:54:44,937 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:54:44,937 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2018-07-23 13:54:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-07-23 13:54:44,938 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:44,938 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1] [2018-07-23 13:54:44,939 INFO L414 AbstractCegarLoop]: === Iteration 87 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:44,939 INFO L82 PathProgramCache]: Analyzing trace with hash 2004301708, now seen corresponding path program 86 times [2018-07-23 13:54:44,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:45,385 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:45,385 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:54:45,385 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:45,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:45,385 INFO L185 omatonBuilderFactory]: Interpolants [35456#(<= (+ main_offset 39788) main_length), 35457#(<= (+ main_offset 39784) main_length), 35458#(<= (+ main_offset 39780) main_length), 35459#(<= (+ main_offset 39776) main_length), 35460#(<= (+ main_offset 39772) main_length), 35461#(<= (+ main_offset 39768) main_length), 35462#(<= (+ main_offset 39764) main_length), 35463#(<= (+ main_offset 39760) main_length), 35464#(<= (+ main_offset 39756) main_length), 35465#(<= (+ main_offset 39752) main_length), 35466#(<= (+ main_offset 39748) main_length), 35467#(<= (+ main_offset 39744) main_length), 35468#(<= (+ main_offset 39740) main_length), 35469#(<= (+ main_offset 39736) main_length), 35470#(<= (+ main_offset 39732) main_length), 35471#(<= (+ main_offset 39728) main_length), 35472#(<= (+ main_offset 39724) main_length), 35473#(<= (+ main_offset 39720) main_length), 35474#(<= (+ main_offset 39716) main_length), 35475#(<= (+ main_offset 39712) main_length), 35476#(<= (+ main_offset 39708) main_length), 35477#(<= (+ main_offset 39704) main_length), 35478#(<= (+ main_offset 39700) main_length), 35479#(<= (+ main_offset 39696) main_length), 35480#(<= (+ main_offset 39692) main_length), 35481#(<= (+ main_offset 39688) main_length), 35482#(<= (+ main_offset 39684) main_length), 35483#(<= (+ main_offset 39680) main_length), 35484#(<= (+ main_offset 39676) main_length), 35485#(<= (+ main_offset 39672) main_length), 35486#(<= (+ main_offset 39668) main_length), 35487#(<= (+ main_offset 39664) main_length), 35488#(<= (+ main_offset 39660) main_length), 35489#(<= (+ main_offset 39656) main_length), 35401#true, 35402#false, 35403#(<= (+ main_offset 40000) main_length), 35404#(<= (+ main_offset 39996) main_length), 35405#(<= (+ main_offset 39992) main_length), 35406#(<= (+ main_offset 39988) main_length), 35407#(<= (+ main_offset 39984) main_length), 35408#(<= (+ main_offset 39980) main_length), 35409#(<= (+ main_offset 39976) main_length), 35410#(<= (+ main_offset 39972) main_length), 35411#(<= (+ main_offset 39968) main_length), 35412#(<= (+ main_offset 39964) main_length), 35413#(<= (+ main_offset 39960) main_length), 35414#(<= (+ main_offset 39956) main_length), 35415#(<= (+ main_offset 39952) main_length), 35416#(<= (+ main_offset 39948) main_length), 35417#(<= (+ main_offset 39944) main_length), 35418#(<= (+ main_offset 39940) main_length), 35419#(<= (+ main_offset 39936) main_length), 35420#(<= (+ main_offset 39932) main_length), 35421#(<= (+ main_offset 39928) main_length), 35422#(<= (+ main_offset 39924) main_length), 35423#(<= (+ main_offset 39920) main_length), 35424#(<= (+ main_offset 39916) main_length), 35425#(<= (+ main_offset 39912) main_length), 35426#(<= (+ main_offset 39908) main_length), 35427#(<= (+ main_offset 39904) main_length), 35428#(<= (+ main_offset 39900) main_length), 35429#(<= (+ main_offset 39896) main_length), 35430#(<= (+ main_offset 39892) main_length), 35431#(<= (+ main_offset 39888) main_length), 35432#(<= (+ main_offset 39884) main_length), 35433#(<= (+ main_offset 39880) main_length), 35434#(<= (+ main_offset 39876) main_length), 35435#(<= (+ main_offset 39872) main_length), 35436#(<= (+ main_offset 39868) main_length), 35437#(<= (+ main_offset 39864) main_length), 35438#(<= (+ main_offset 39860) main_length), 35439#(<= (+ main_offset 39856) main_length), 35440#(<= (+ main_offset 39852) main_length), 35441#(<= (+ main_offset 39848) main_length), 35442#(<= (+ main_offset 39844) main_length), 35443#(<= (+ main_offset 39840) main_length), 35444#(<= (+ main_offset 39836) main_length), 35445#(<= (+ main_offset 39832) main_length), 35446#(<= (+ main_offset 39828) main_length), 35447#(<= (+ main_offset 39824) main_length), 35448#(<= (+ main_offset 39820) main_length), 35449#(<= (+ main_offset 39816) main_length), 35450#(<= (+ main_offset 39812) main_length), 35451#(<= (+ main_offset 39808) main_length), 35452#(<= (+ main_offset 39804) main_length), 35453#(<= (+ main_offset 39800) main_length), 35454#(<= (+ main_offset 39796) main_length), 35455#(<= (+ main_offset 39792) main_length)] [2018-07-23 13:54:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:45,386 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:54:45,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:54:45,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:54:45,387 INFO L87 Difference]: Start difference. First operand 176 states and 176 transitions. Second operand 89 states. [2018-07-23 13:54:45,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:45,475 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:54:45,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:54:45,476 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 175 [2018-07-23 13:54:45,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:45,477 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:54:45,477 INFO L226 Difference]: Without dead ends: 178 [2018-07-23 13:54:45,477 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:54:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-07-23 13:54:45,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2018-07-23 13:54:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-07-23 13:54:45,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 178 transitions. [2018-07-23 13:54:45,483 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 178 transitions. Word has length 175 [2018-07-23 13:54:45,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:45,483 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 178 transitions. [2018-07-23 13:54:45,483 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:54:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 178 transitions. [2018-07-23 13:54:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-23 13:54:45,484 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:45,485 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1] [2018-07-23 13:54:45,485 INFO L414 AbstractCegarLoop]: === Iteration 88 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:45,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1988593870, now seen corresponding path program 87 times [2018-07-23 13:54:45,485 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:45,963 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:45,963 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:54:45,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:45,964 INFO L185 omatonBuilderFactory]: Interpolants [36224#(<= (+ main_offset 39928) main_length), 36225#(<= (+ main_offset 39924) main_length), 36226#(<= (+ main_offset 39920) main_length), 36227#(<= (+ main_offset 39916) main_length), 36228#(<= (+ main_offset 39912) main_length), 36229#(<= (+ main_offset 39908) main_length), 36230#(<= (+ main_offset 39904) main_length), 36231#(<= (+ main_offset 39900) main_length), 36232#(<= (+ main_offset 39896) main_length), 36233#(<= (+ main_offset 39892) main_length), 36234#(<= (+ main_offset 39888) main_length), 36235#(<= (+ main_offset 39884) main_length), 36236#(<= (+ main_offset 39880) main_length), 36237#(<= (+ main_offset 39876) main_length), 36238#(<= (+ main_offset 39872) main_length), 36239#(<= (+ main_offset 39868) main_length), 36240#(<= (+ main_offset 39864) main_length), 36241#(<= (+ main_offset 39860) main_length), 36242#(<= (+ main_offset 39856) main_length), 36243#(<= (+ main_offset 39852) main_length), 36244#(<= (+ main_offset 39848) main_length), 36245#(<= (+ main_offset 39844) main_length), 36246#(<= (+ main_offset 39840) main_length), 36247#(<= (+ main_offset 39836) main_length), 36248#(<= (+ main_offset 39832) main_length), 36249#(<= (+ main_offset 39828) main_length), 36250#(<= (+ main_offset 39824) main_length), 36251#(<= (+ main_offset 39820) main_length), 36252#(<= (+ main_offset 39816) main_length), 36253#(<= (+ main_offset 39812) main_length), 36254#(<= (+ main_offset 39808) main_length), 36255#(<= (+ main_offset 39804) main_length), 36256#(<= (+ main_offset 39800) main_length), 36257#(<= (+ main_offset 39796) main_length), 36258#(<= (+ main_offset 39792) main_length), 36259#(<= (+ main_offset 39788) main_length), 36260#(<= (+ main_offset 39784) main_length), 36261#(<= (+ main_offset 39780) main_length), 36262#(<= (+ main_offset 39776) main_length), 36263#(<= (+ main_offset 39772) main_length), 36264#(<= (+ main_offset 39768) main_length), 36265#(<= (+ main_offset 39764) main_length), 36266#(<= (+ main_offset 39760) main_length), 36267#(<= (+ main_offset 39756) main_length), 36268#(<= (+ main_offset 39752) main_length), 36269#(<= (+ main_offset 39748) main_length), 36270#(<= (+ main_offset 39744) main_length), 36271#(<= (+ main_offset 39740) main_length), 36272#(<= (+ main_offset 39736) main_length), 36273#(<= (+ main_offset 39732) main_length), 36274#(<= (+ main_offset 39728) main_length), 36275#(<= (+ main_offset 39724) main_length), 36276#(<= (+ main_offset 39720) main_length), 36277#(<= (+ main_offset 39716) main_length), 36278#(<= (+ main_offset 39712) main_length), 36279#(<= (+ main_offset 39708) main_length), 36280#(<= (+ main_offset 39704) main_length), 36281#(<= (+ main_offset 39700) main_length), 36282#(<= (+ main_offset 39696) main_length), 36283#(<= (+ main_offset 39692) main_length), 36284#(<= (+ main_offset 39688) main_length), 36285#(<= (+ main_offset 39684) main_length), 36286#(<= (+ main_offset 39680) main_length), 36287#(<= (+ main_offset 39676) main_length), 36288#(<= (+ main_offset 39672) main_length), 36289#(<= (+ main_offset 39668) main_length), 36290#(<= (+ main_offset 39664) main_length), 36291#(<= (+ main_offset 39660) main_length), 36292#(<= (+ main_offset 39656) main_length), 36293#(<= (+ main_offset 39652) main_length), 36204#true, 36205#false, 36206#(<= (+ main_offset 40000) main_length), 36207#(<= (+ main_offset 39996) main_length), 36208#(<= (+ main_offset 39992) main_length), 36209#(<= (+ main_offset 39988) main_length), 36210#(<= (+ main_offset 39984) main_length), 36211#(<= (+ main_offset 39980) main_length), 36212#(<= (+ main_offset 39976) main_length), 36213#(<= (+ main_offset 39972) main_length), 36214#(<= (+ main_offset 39968) main_length), 36215#(<= (+ main_offset 39964) main_length), 36216#(<= (+ main_offset 39960) main_length), 36217#(<= (+ main_offset 39956) main_length), 36218#(<= (+ main_offset 39952) main_length), 36219#(<= (+ main_offset 39948) main_length), 36220#(<= (+ main_offset 39944) main_length), 36221#(<= (+ main_offset 39940) main_length), 36222#(<= (+ main_offset 39936) main_length), 36223#(<= (+ main_offset 39932) main_length)] [2018-07-23 13:54:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:45,965 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:54:45,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:54:45,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:54:45,966 INFO L87 Difference]: Start difference. First operand 178 states and 178 transitions. Second operand 90 states. [2018-07-23 13:54:46,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:46,093 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:54:46,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:54:46,093 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 177 [2018-07-23 13:54:46,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:46,094 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:54:46,094 INFO L226 Difference]: Without dead ends: 180 [2018-07-23 13:54:46,095 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:54:46,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-07-23 13:54:46,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-07-23 13:54:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-07-23 13:54:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 180 transitions. [2018-07-23 13:54:46,100 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 180 transitions. Word has length 177 [2018-07-23 13:54:46,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:46,101 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 180 transitions. [2018-07-23 13:54:46,101 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:54:46,101 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 180 transitions. [2018-07-23 13:54:46,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 13:54:46,102 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:46,102 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1] [2018-07-23 13:54:46,102 INFO L414 AbstractCegarLoop]: === Iteration 89 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:46,102 INFO L82 PathProgramCache]: Analyzing trace with hash -221736560, now seen corresponding path program 88 times [2018-07-23 13:54:46,102 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:46,404 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:46,404 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:54:46,404 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:46,405 INFO L185 omatonBuilderFactory]: Interpolants [37016#true, 37017#false, 37018#(<= (+ main_offset 40000) main_length), 37019#(<= (+ main_offset 39996) main_length), 37020#(<= (+ main_offset 39992) main_length), 37021#(<= (+ main_offset 39988) main_length), 37022#(<= (+ main_offset 39984) main_length), 37023#(<= (+ main_offset 39980) main_length), 37024#(<= (+ main_offset 39976) main_length), 37025#(<= (+ main_offset 39972) main_length), 37026#(<= (+ main_offset 39968) main_length), 37027#(<= (+ main_offset 39964) main_length), 37028#(<= (+ main_offset 39960) main_length), 37029#(<= (+ main_offset 39956) main_length), 37030#(<= (+ main_offset 39952) main_length), 37031#(<= (+ main_offset 39948) main_length), 37032#(<= (+ main_offset 39944) main_length), 37033#(<= (+ main_offset 39940) main_length), 37034#(<= (+ main_offset 39936) main_length), 37035#(<= (+ main_offset 39932) main_length), 37036#(<= (+ main_offset 39928) main_length), 37037#(<= (+ main_offset 39924) main_length), 37038#(<= (+ main_offset 39920) main_length), 37039#(<= (+ main_offset 39916) main_length), 37040#(<= (+ main_offset 39912) main_length), 37041#(<= (+ main_offset 39908) main_length), 37042#(<= (+ main_offset 39904) main_length), 37043#(<= (+ main_offset 39900) main_length), 37044#(<= (+ main_offset 39896) main_length), 37045#(<= (+ main_offset 39892) main_length), 37046#(<= (+ main_offset 39888) main_length), 37047#(<= (+ main_offset 39884) main_length), 37048#(<= (+ main_offset 39880) main_length), 37049#(<= (+ main_offset 39876) main_length), 37050#(<= (+ main_offset 39872) main_length), 37051#(<= (+ main_offset 39868) main_length), 37052#(<= (+ main_offset 39864) main_length), 37053#(<= (+ main_offset 39860) main_length), 37054#(<= (+ main_offset 39856) main_length), 37055#(<= (+ main_offset 39852) main_length), 37056#(<= (+ main_offset 39848) main_length), 37057#(<= (+ main_offset 39844) main_length), 37058#(<= (+ main_offset 39840) main_length), 37059#(<= (+ main_offset 39836) main_length), 37060#(<= (+ main_offset 39832) main_length), 37061#(<= (+ main_offset 39828) main_length), 37062#(<= (+ main_offset 39824) main_length), 37063#(<= (+ main_offset 39820) main_length), 37064#(<= (+ main_offset 39816) main_length), 37065#(<= (+ main_offset 39812) main_length), 37066#(<= (+ main_offset 39808) main_length), 37067#(<= (+ main_offset 39804) main_length), 37068#(<= (+ main_offset 39800) main_length), 37069#(<= (+ main_offset 39796) main_length), 37070#(<= (+ main_offset 39792) main_length), 37071#(<= (+ main_offset 39788) main_length), 37072#(<= (+ main_offset 39784) main_length), 37073#(<= (+ main_offset 39780) main_length), 37074#(<= (+ main_offset 39776) main_length), 37075#(<= (+ main_offset 39772) main_length), 37076#(<= (+ main_offset 39768) main_length), 37077#(<= (+ main_offset 39764) main_length), 37078#(<= (+ main_offset 39760) main_length), 37079#(<= (+ main_offset 39756) main_length), 37080#(<= (+ main_offset 39752) main_length), 37081#(<= (+ main_offset 39748) main_length), 37082#(<= (+ main_offset 39744) main_length), 37083#(<= (+ main_offset 39740) main_length), 37084#(<= (+ main_offset 39736) main_length), 37085#(<= (+ main_offset 39732) main_length), 37086#(<= (+ main_offset 39728) main_length), 37087#(<= (+ main_offset 39724) main_length), 37088#(<= (+ main_offset 39720) main_length), 37089#(<= (+ main_offset 39716) main_length), 37090#(<= (+ main_offset 39712) main_length), 37091#(<= (+ main_offset 39708) main_length), 37092#(<= (+ main_offset 39704) main_length), 37093#(<= (+ main_offset 39700) main_length), 37094#(<= (+ main_offset 39696) main_length), 37095#(<= (+ main_offset 39692) main_length), 37096#(<= (+ main_offset 39688) main_length), 37097#(<= (+ main_offset 39684) main_length), 37098#(<= (+ main_offset 39680) main_length), 37099#(<= (+ main_offset 39676) main_length), 37100#(<= (+ main_offset 39672) main_length), 37101#(<= (+ main_offset 39668) main_length), 37102#(<= (+ main_offset 39664) main_length), 37103#(<= (+ main_offset 39660) main_length), 37104#(<= (+ main_offset 39656) main_length), 37105#(<= (+ main_offset 39652) main_length), 37106#(<= (+ main_offset 39648) main_length)] [2018-07-23 13:54:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:46,406 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:54:46,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:54:46,407 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:54:46,407 INFO L87 Difference]: Start difference. First operand 180 states and 180 transitions. Second operand 91 states. [2018-07-23 13:54:46,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:46,537 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:54:46,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:54:46,537 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 179 [2018-07-23 13:54:46,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:46,538 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:54:46,538 INFO L226 Difference]: Without dead ends: 182 [2018-07-23 13:54:46,539 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:54:46,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-07-23 13:54:46,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-07-23 13:54:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-07-23 13:54:46,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-07-23 13:54:46,542 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 182 transitions. Word has length 179 [2018-07-23 13:54:46,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:46,542 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 182 transitions. [2018-07-23 13:54:46,542 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:54:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-07-23 13:54:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-07-23 13:54:46,543 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:46,543 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1] [2018-07-23 13:54:46,543 INFO L414 AbstractCegarLoop]: === Iteration 90 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:46,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1659531730, now seen corresponding path program 89 times [2018-07-23 13:54:46,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:46,837 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:46,837 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:54:46,837 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:46,838 INFO L185 omatonBuilderFactory]: Interpolants [37888#(<= (+ main_offset 39804) main_length), 37889#(<= (+ main_offset 39800) main_length), 37890#(<= (+ main_offset 39796) main_length), 37891#(<= (+ main_offset 39792) main_length), 37892#(<= (+ main_offset 39788) main_length), 37893#(<= (+ main_offset 39784) main_length), 37894#(<= (+ main_offset 39780) main_length), 37895#(<= (+ main_offset 39776) main_length), 37896#(<= (+ main_offset 39772) main_length), 37897#(<= (+ main_offset 39768) main_length), 37898#(<= (+ main_offset 39764) main_length), 37899#(<= (+ main_offset 39760) main_length), 37900#(<= (+ main_offset 39756) main_length), 37901#(<= (+ main_offset 39752) main_length), 37902#(<= (+ main_offset 39748) main_length), 37903#(<= (+ main_offset 39744) main_length), 37904#(<= (+ main_offset 39740) main_length), 37905#(<= (+ main_offset 39736) main_length), 37906#(<= (+ main_offset 39732) main_length), 37907#(<= (+ main_offset 39728) main_length), 37908#(<= (+ main_offset 39724) main_length), 37909#(<= (+ main_offset 39720) main_length), 37910#(<= (+ main_offset 39716) main_length), 37911#(<= (+ main_offset 39712) main_length), 37912#(<= (+ main_offset 39708) main_length), 37913#(<= (+ main_offset 39704) main_length), 37914#(<= (+ main_offset 39700) main_length), 37915#(<= (+ main_offset 39696) main_length), 37916#(<= (+ main_offset 39692) main_length), 37917#(<= (+ main_offset 39688) main_length), 37918#(<= (+ main_offset 39684) main_length), 37919#(<= (+ main_offset 39680) main_length), 37920#(<= (+ main_offset 39676) main_length), 37921#(<= (+ main_offset 39672) main_length), 37922#(<= (+ main_offset 39668) main_length), 37923#(<= (+ main_offset 39664) main_length), 37924#(<= (+ main_offset 39660) main_length), 37925#(<= (+ main_offset 39656) main_length), 37926#(<= (+ main_offset 39652) main_length), 37927#(<= (+ main_offset 39648) main_length), 37928#(<= (+ main_offset 39644) main_length), 37837#true, 37838#false, 37839#(<= (+ main_offset 40000) main_length), 37840#(<= (+ main_offset 39996) main_length), 37841#(<= (+ main_offset 39992) main_length), 37842#(<= (+ main_offset 39988) main_length), 37843#(<= (+ main_offset 39984) main_length), 37844#(<= (+ main_offset 39980) main_length), 37845#(<= (+ main_offset 39976) main_length), 37846#(<= (+ main_offset 39972) main_length), 37847#(<= (+ main_offset 39968) main_length), 37848#(<= (+ main_offset 39964) main_length), 37849#(<= (+ main_offset 39960) main_length), 37850#(<= (+ main_offset 39956) main_length), 37851#(<= (+ main_offset 39952) main_length), 37852#(<= (+ main_offset 39948) main_length), 37853#(<= (+ main_offset 39944) main_length), 37854#(<= (+ main_offset 39940) main_length), 37855#(<= (+ main_offset 39936) main_length), 37856#(<= (+ main_offset 39932) main_length), 37857#(<= (+ main_offset 39928) main_length), 37858#(<= (+ main_offset 39924) main_length), 37859#(<= (+ main_offset 39920) main_length), 37860#(<= (+ main_offset 39916) main_length), 37861#(<= (+ main_offset 39912) main_length), 37862#(<= (+ main_offset 39908) main_length), 37863#(<= (+ main_offset 39904) main_length), 37864#(<= (+ main_offset 39900) main_length), 37865#(<= (+ main_offset 39896) main_length), 37866#(<= (+ main_offset 39892) main_length), 37867#(<= (+ main_offset 39888) main_length), 37868#(<= (+ main_offset 39884) main_length), 37869#(<= (+ main_offset 39880) main_length), 37870#(<= (+ main_offset 39876) main_length), 37871#(<= (+ main_offset 39872) main_length), 37872#(<= (+ main_offset 39868) main_length), 37873#(<= (+ main_offset 39864) main_length), 37874#(<= (+ main_offset 39860) main_length), 37875#(<= (+ main_offset 39856) main_length), 37876#(<= (+ main_offset 39852) main_length), 37877#(<= (+ main_offset 39848) main_length), 37878#(<= (+ main_offset 39844) main_length), 37879#(<= (+ main_offset 39840) main_length), 37880#(<= (+ main_offset 39836) main_length), 37881#(<= (+ main_offset 39832) main_length), 37882#(<= (+ main_offset 39828) main_length), 37883#(<= (+ main_offset 39824) main_length), 37884#(<= (+ main_offset 39820) main_length), 37885#(<= (+ main_offset 39816) main_length), 37886#(<= (+ main_offset 39812) main_length), 37887#(<= (+ main_offset 39808) main_length)] [2018-07-23 13:54:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:46,839 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:54:46,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:54:46,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:54:46,840 INFO L87 Difference]: Start difference. First operand 182 states and 182 transitions. Second operand 92 states. [2018-07-23 13:54:46,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:46,917 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:54:46,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:54:46,917 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 181 [2018-07-23 13:54:46,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:46,918 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:54:46,918 INFO L226 Difference]: Without dead ends: 184 [2018-07-23 13:54:46,919 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:54:46,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-07-23 13:54:46,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-07-23 13:54:46,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-07-23 13:54:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2018-07-23 13:54:46,922 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 181 [2018-07-23 13:54:46,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:46,922 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2018-07-23 13:54:46,922 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:54:46,922 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2018-07-23 13:54:46,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-07-23 13:54:46,923 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:46,923 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1] [2018-07-23 13:54:46,923 INFO L414 AbstractCegarLoop]: === Iteration 91 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:46,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1377126804, now seen corresponding path program 90 times [2018-07-23 13:54:46,924 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:47,440 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:47,440 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:54:47,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:47,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:47,441 INFO L185 omatonBuilderFactory]: Interpolants [38667#true, 38668#false, 38669#(<= (+ main_offset 40000) main_length), 38670#(<= (+ main_offset 39996) main_length), 38671#(<= (+ main_offset 39992) main_length), 38672#(<= (+ main_offset 39988) main_length), 38673#(<= (+ main_offset 39984) main_length), 38674#(<= (+ main_offset 39980) main_length), 38675#(<= (+ main_offset 39976) main_length), 38676#(<= (+ main_offset 39972) main_length), 38677#(<= (+ main_offset 39968) main_length), 38678#(<= (+ main_offset 39964) main_length), 38679#(<= (+ main_offset 39960) main_length), 38680#(<= (+ main_offset 39956) main_length), 38681#(<= (+ main_offset 39952) main_length), 38682#(<= (+ main_offset 39948) main_length), 38683#(<= (+ main_offset 39944) main_length), 38684#(<= (+ main_offset 39940) main_length), 38685#(<= (+ main_offset 39936) main_length), 38686#(<= (+ main_offset 39932) main_length), 38687#(<= (+ main_offset 39928) main_length), 38688#(<= (+ main_offset 39924) main_length), 38689#(<= (+ main_offset 39920) main_length), 38690#(<= (+ main_offset 39916) main_length), 38691#(<= (+ main_offset 39912) main_length), 38692#(<= (+ main_offset 39908) main_length), 38693#(<= (+ main_offset 39904) main_length), 38694#(<= (+ main_offset 39900) main_length), 38695#(<= (+ main_offset 39896) main_length), 38696#(<= (+ main_offset 39892) main_length), 38697#(<= (+ main_offset 39888) main_length), 38698#(<= (+ main_offset 39884) main_length), 38699#(<= (+ main_offset 39880) main_length), 38700#(<= (+ main_offset 39876) main_length), 38701#(<= (+ main_offset 39872) main_length), 38702#(<= (+ main_offset 39868) main_length), 38703#(<= (+ main_offset 39864) main_length), 38704#(<= (+ main_offset 39860) main_length), 38705#(<= (+ main_offset 39856) main_length), 38706#(<= (+ main_offset 39852) main_length), 38707#(<= (+ main_offset 39848) main_length), 38708#(<= (+ main_offset 39844) main_length), 38709#(<= (+ main_offset 39840) main_length), 38710#(<= (+ main_offset 39836) main_length), 38711#(<= (+ main_offset 39832) main_length), 38712#(<= (+ main_offset 39828) main_length), 38713#(<= (+ main_offset 39824) main_length), 38714#(<= (+ main_offset 39820) main_length), 38715#(<= (+ main_offset 39816) main_length), 38716#(<= (+ main_offset 39812) main_length), 38717#(<= (+ main_offset 39808) main_length), 38718#(<= (+ main_offset 39804) main_length), 38719#(<= (+ main_offset 39800) main_length), 38720#(<= (+ main_offset 39796) main_length), 38721#(<= (+ main_offset 39792) main_length), 38722#(<= (+ main_offset 39788) main_length), 38723#(<= (+ main_offset 39784) main_length), 38724#(<= (+ main_offset 39780) main_length), 38725#(<= (+ main_offset 39776) main_length), 38726#(<= (+ main_offset 39772) main_length), 38727#(<= (+ main_offset 39768) main_length), 38728#(<= (+ main_offset 39764) main_length), 38729#(<= (+ main_offset 39760) main_length), 38730#(<= (+ main_offset 39756) main_length), 38731#(<= (+ main_offset 39752) main_length), 38732#(<= (+ main_offset 39748) main_length), 38733#(<= (+ main_offset 39744) main_length), 38734#(<= (+ main_offset 39740) main_length), 38735#(<= (+ main_offset 39736) main_length), 38736#(<= (+ main_offset 39732) main_length), 38737#(<= (+ main_offset 39728) main_length), 38738#(<= (+ main_offset 39724) main_length), 38739#(<= (+ main_offset 39720) main_length), 38740#(<= (+ main_offset 39716) main_length), 38741#(<= (+ main_offset 39712) main_length), 38742#(<= (+ main_offset 39708) main_length), 38743#(<= (+ main_offset 39704) main_length), 38744#(<= (+ main_offset 39700) main_length), 38745#(<= (+ main_offset 39696) main_length), 38746#(<= (+ main_offset 39692) main_length), 38747#(<= (+ main_offset 39688) main_length), 38748#(<= (+ main_offset 39684) main_length), 38749#(<= (+ main_offset 39680) main_length), 38750#(<= (+ main_offset 39676) main_length), 38751#(<= (+ main_offset 39672) main_length), 38752#(<= (+ main_offset 39668) main_length), 38753#(<= (+ main_offset 39664) main_length), 38754#(<= (+ main_offset 39660) main_length), 38755#(<= (+ main_offset 39656) main_length), 38756#(<= (+ main_offset 39652) main_length), 38757#(<= (+ main_offset 39648) main_length), 38758#(<= (+ main_offset 39644) main_length), 38759#(<= (+ main_offset 39640) main_length)] [2018-07-23 13:54:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:47,441 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:54:47,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:54:47,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:54:47,443 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 93 states. [2018-07-23 13:54:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:47,620 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:54:47,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:54:47,620 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 183 [2018-07-23 13:54:47,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:47,621 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:54:47,621 INFO L226 Difference]: Without dead ends: 186 [2018-07-23 13:54:47,621 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:54:47,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-07-23 13:54:47,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2018-07-23 13:54:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-07-23 13:54:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 186 transitions. [2018-07-23 13:54:47,626 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 186 transitions. Word has length 183 [2018-07-23 13:54:47,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:47,626 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 186 transitions. [2018-07-23 13:54:47,626 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:54:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 186 transitions. [2018-07-23 13:54:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-07-23 13:54:47,628 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:47,628 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1] [2018-07-23 13:54:47,628 INFO L414 AbstractCegarLoop]: === Iteration 92 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:47,628 INFO L82 PathProgramCache]: Analyzing trace with hash 568932566, now seen corresponding path program 91 times [2018-07-23 13:54:47,628 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:47,990 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:47,990 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:54:47,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:47,991 INFO L185 omatonBuilderFactory]: Interpolants [39552#(<= (+ main_offset 39824) main_length), 39553#(<= (+ main_offset 39820) main_length), 39554#(<= (+ main_offset 39816) main_length), 39555#(<= (+ main_offset 39812) main_length), 39556#(<= (+ main_offset 39808) main_length), 39557#(<= (+ main_offset 39804) main_length), 39558#(<= (+ main_offset 39800) main_length), 39559#(<= (+ main_offset 39796) main_length), 39560#(<= (+ main_offset 39792) main_length), 39561#(<= (+ main_offset 39788) main_length), 39562#(<= (+ main_offset 39784) main_length), 39563#(<= (+ main_offset 39780) main_length), 39564#(<= (+ main_offset 39776) main_length), 39565#(<= (+ main_offset 39772) main_length), 39566#(<= (+ main_offset 39768) main_length), 39567#(<= (+ main_offset 39764) main_length), 39568#(<= (+ main_offset 39760) main_length), 39569#(<= (+ main_offset 39756) main_length), 39570#(<= (+ main_offset 39752) main_length), 39571#(<= (+ main_offset 39748) main_length), 39572#(<= (+ main_offset 39744) main_length), 39573#(<= (+ main_offset 39740) main_length), 39574#(<= (+ main_offset 39736) main_length), 39575#(<= (+ main_offset 39732) main_length), 39576#(<= (+ main_offset 39728) main_length), 39577#(<= (+ main_offset 39724) main_length), 39578#(<= (+ main_offset 39720) main_length), 39579#(<= (+ main_offset 39716) main_length), 39580#(<= (+ main_offset 39712) main_length), 39581#(<= (+ main_offset 39708) main_length), 39582#(<= (+ main_offset 39704) main_length), 39583#(<= (+ main_offset 39700) main_length), 39584#(<= (+ main_offset 39696) main_length), 39585#(<= (+ main_offset 39692) main_length), 39586#(<= (+ main_offset 39688) main_length), 39587#(<= (+ main_offset 39684) main_length), 39588#(<= (+ main_offset 39680) main_length), 39589#(<= (+ main_offset 39676) main_length), 39590#(<= (+ main_offset 39672) main_length), 39591#(<= (+ main_offset 39668) main_length), 39592#(<= (+ main_offset 39664) main_length), 39593#(<= (+ main_offset 39660) main_length), 39594#(<= (+ main_offset 39656) main_length), 39595#(<= (+ main_offset 39652) main_length), 39596#(<= (+ main_offset 39648) main_length), 39597#(<= (+ main_offset 39644) main_length), 39598#(<= (+ main_offset 39640) main_length), 39599#(<= (+ main_offset 39636) main_length), 39506#true, 39507#false, 39508#(<= (+ main_offset 40000) main_length), 39509#(<= (+ main_offset 39996) main_length), 39510#(<= (+ main_offset 39992) main_length), 39511#(<= (+ main_offset 39988) main_length), 39512#(<= (+ main_offset 39984) main_length), 39513#(<= (+ main_offset 39980) main_length), 39514#(<= (+ main_offset 39976) main_length), 39515#(<= (+ main_offset 39972) main_length), 39516#(<= (+ main_offset 39968) main_length), 39517#(<= (+ main_offset 39964) main_length), 39518#(<= (+ main_offset 39960) main_length), 39519#(<= (+ main_offset 39956) main_length), 39520#(<= (+ main_offset 39952) main_length), 39521#(<= (+ main_offset 39948) main_length), 39522#(<= (+ main_offset 39944) main_length), 39523#(<= (+ main_offset 39940) main_length), 39524#(<= (+ main_offset 39936) main_length), 39525#(<= (+ main_offset 39932) main_length), 39526#(<= (+ main_offset 39928) main_length), 39527#(<= (+ main_offset 39924) main_length), 39528#(<= (+ main_offset 39920) main_length), 39529#(<= (+ main_offset 39916) main_length), 39530#(<= (+ main_offset 39912) main_length), 39531#(<= (+ main_offset 39908) main_length), 39532#(<= (+ main_offset 39904) main_length), 39533#(<= (+ main_offset 39900) main_length), 39534#(<= (+ main_offset 39896) main_length), 39535#(<= (+ main_offset 39892) main_length), 39536#(<= (+ main_offset 39888) main_length), 39537#(<= (+ main_offset 39884) main_length), 39538#(<= (+ main_offset 39880) main_length), 39539#(<= (+ main_offset 39876) main_length), 39540#(<= (+ main_offset 39872) main_length), 39541#(<= (+ main_offset 39868) main_length), 39542#(<= (+ main_offset 39864) main_length), 39543#(<= (+ main_offset 39860) main_length), 39544#(<= (+ main_offset 39856) main_length), 39545#(<= (+ main_offset 39852) main_length), 39546#(<= (+ main_offset 39848) main_length), 39547#(<= (+ main_offset 39844) main_length), 39548#(<= (+ main_offset 39840) main_length), 39549#(<= (+ main_offset 39836) main_length), 39550#(<= (+ main_offset 39832) main_length), 39551#(<= (+ main_offset 39828) main_length)] [2018-07-23 13:54:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:47,992 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:54:47,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:54:47,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:54:47,993 INFO L87 Difference]: Start difference. First operand 186 states and 186 transitions. Second operand 94 states. [2018-07-23 13:54:48,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:48,063 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:54:48,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:54:48,063 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 185 [2018-07-23 13:54:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:48,064 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:54:48,064 INFO L226 Difference]: Without dead ends: 188 [2018-07-23 13:54:48,065 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:54:48,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-07-23 13:54:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-07-23 13:54:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-07-23 13:54:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2018-07-23 13:54:48,070 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 185 [2018-07-23 13:54:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:48,070 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2018-07-23 13:54:48,071 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:54:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2018-07-23 13:54:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-07-23 13:54:48,072 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:48,072 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1] [2018-07-23 13:54:48,072 INFO L414 AbstractCegarLoop]: === Iteration 93 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:48,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1283350424, now seen corresponding path program 92 times [2018-07-23 13:54:48,072 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:48,419 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:48,419 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:54:48,419 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:48,420 INFO L185 omatonBuilderFactory]: Interpolants [40448#(<= (+ main_offset 39632) main_length), 40354#true, 40355#false, 40356#(<= (+ main_offset 40000) main_length), 40357#(<= (+ main_offset 39996) main_length), 40358#(<= (+ main_offset 39992) main_length), 40359#(<= (+ main_offset 39988) main_length), 40360#(<= (+ main_offset 39984) main_length), 40361#(<= (+ main_offset 39980) main_length), 40362#(<= (+ main_offset 39976) main_length), 40363#(<= (+ main_offset 39972) main_length), 40364#(<= (+ main_offset 39968) main_length), 40365#(<= (+ main_offset 39964) main_length), 40366#(<= (+ main_offset 39960) main_length), 40367#(<= (+ main_offset 39956) main_length), 40368#(<= (+ main_offset 39952) main_length), 40369#(<= (+ main_offset 39948) main_length), 40370#(<= (+ main_offset 39944) main_length), 40371#(<= (+ main_offset 39940) main_length), 40372#(<= (+ main_offset 39936) main_length), 40373#(<= (+ main_offset 39932) main_length), 40374#(<= (+ main_offset 39928) main_length), 40375#(<= (+ main_offset 39924) main_length), 40376#(<= (+ main_offset 39920) main_length), 40377#(<= (+ main_offset 39916) main_length), 40378#(<= (+ main_offset 39912) main_length), 40379#(<= (+ main_offset 39908) main_length), 40380#(<= (+ main_offset 39904) main_length), 40381#(<= (+ main_offset 39900) main_length), 40382#(<= (+ main_offset 39896) main_length), 40383#(<= (+ main_offset 39892) main_length), 40384#(<= (+ main_offset 39888) main_length), 40385#(<= (+ main_offset 39884) main_length), 40386#(<= (+ main_offset 39880) main_length), 40387#(<= (+ main_offset 39876) main_length), 40388#(<= (+ main_offset 39872) main_length), 40389#(<= (+ main_offset 39868) main_length), 40390#(<= (+ main_offset 39864) main_length), 40391#(<= (+ main_offset 39860) main_length), 40392#(<= (+ main_offset 39856) main_length), 40393#(<= (+ main_offset 39852) main_length), 40394#(<= (+ main_offset 39848) main_length), 40395#(<= (+ main_offset 39844) main_length), 40396#(<= (+ main_offset 39840) main_length), 40397#(<= (+ main_offset 39836) main_length), 40398#(<= (+ main_offset 39832) main_length), 40399#(<= (+ main_offset 39828) main_length), 40400#(<= (+ main_offset 39824) main_length), 40401#(<= (+ main_offset 39820) main_length), 40402#(<= (+ main_offset 39816) main_length), 40403#(<= (+ main_offset 39812) main_length), 40404#(<= (+ main_offset 39808) main_length), 40405#(<= (+ main_offset 39804) main_length), 40406#(<= (+ main_offset 39800) main_length), 40407#(<= (+ main_offset 39796) main_length), 40408#(<= (+ main_offset 39792) main_length), 40409#(<= (+ main_offset 39788) main_length), 40410#(<= (+ main_offset 39784) main_length), 40411#(<= (+ main_offset 39780) main_length), 40412#(<= (+ main_offset 39776) main_length), 40413#(<= (+ main_offset 39772) main_length), 40414#(<= (+ main_offset 39768) main_length), 40415#(<= (+ main_offset 39764) main_length), 40416#(<= (+ main_offset 39760) main_length), 40417#(<= (+ main_offset 39756) main_length), 40418#(<= (+ main_offset 39752) main_length), 40419#(<= (+ main_offset 39748) main_length), 40420#(<= (+ main_offset 39744) main_length), 40421#(<= (+ main_offset 39740) main_length), 40422#(<= (+ main_offset 39736) main_length), 40423#(<= (+ main_offset 39732) main_length), 40424#(<= (+ main_offset 39728) main_length), 40425#(<= (+ main_offset 39724) main_length), 40426#(<= (+ main_offset 39720) main_length), 40427#(<= (+ main_offset 39716) main_length), 40428#(<= (+ main_offset 39712) main_length), 40429#(<= (+ main_offset 39708) main_length), 40430#(<= (+ main_offset 39704) main_length), 40431#(<= (+ main_offset 39700) main_length), 40432#(<= (+ main_offset 39696) main_length), 40433#(<= (+ main_offset 39692) main_length), 40434#(<= (+ main_offset 39688) main_length), 40435#(<= (+ main_offset 39684) main_length), 40436#(<= (+ main_offset 39680) main_length), 40437#(<= (+ main_offset 39676) main_length), 40438#(<= (+ main_offset 39672) main_length), 40439#(<= (+ main_offset 39668) main_length), 40440#(<= (+ main_offset 39664) main_length), 40441#(<= (+ main_offset 39660) main_length), 40442#(<= (+ main_offset 39656) main_length), 40443#(<= (+ main_offset 39652) main_length), 40444#(<= (+ main_offset 39648) main_length), 40445#(<= (+ main_offset 39644) main_length), 40446#(<= (+ main_offset 39640) main_length), 40447#(<= (+ main_offset 39636) main_length)] [2018-07-23 13:54:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:48,420 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:54:48,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:54:48,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:54:48,421 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand 95 states. [2018-07-23 13:54:48,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:48,550 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:54:48,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:54:48,550 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 187 [2018-07-23 13:54:48,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:48,551 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:54:48,551 INFO L226 Difference]: Without dead ends: 190 [2018-07-23 13:54:48,552 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:54:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-07-23 13:54:48,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-07-23 13:54:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-07-23 13:54:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 190 transitions. [2018-07-23 13:54:48,555 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 190 transitions. Word has length 187 [2018-07-23 13:54:48,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:48,556 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 190 transitions. [2018-07-23 13:54:48,556 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:54:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 190 transitions. [2018-07-23 13:54:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-07-23 13:54:48,556 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:48,556 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1] [2018-07-23 13:54:48,557 INFO L414 AbstractCegarLoop]: === Iteration 94 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:48,557 INFO L82 PathProgramCache]: Analyzing trace with hash 644144602, now seen corresponding path program 93 times [2018-07-23 13:54:48,557 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:48,877 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:48,877 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:54:48,877 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:48,877 INFO L185 omatonBuilderFactory]: Interpolants [41216#(<= (+ main_offset 39988) main_length), 41217#(<= (+ main_offset 39984) main_length), 41218#(<= (+ main_offset 39980) main_length), 41219#(<= (+ main_offset 39976) main_length), 41220#(<= (+ main_offset 39972) main_length), 41221#(<= (+ main_offset 39968) main_length), 41222#(<= (+ main_offset 39964) main_length), 41223#(<= (+ main_offset 39960) main_length), 41224#(<= (+ main_offset 39956) main_length), 41225#(<= (+ main_offset 39952) main_length), 41226#(<= (+ main_offset 39948) main_length), 41227#(<= (+ main_offset 39944) main_length), 41228#(<= (+ main_offset 39940) main_length), 41229#(<= (+ main_offset 39936) main_length), 41230#(<= (+ main_offset 39932) main_length), 41231#(<= (+ main_offset 39928) main_length), 41232#(<= (+ main_offset 39924) main_length), 41233#(<= (+ main_offset 39920) main_length), 41234#(<= (+ main_offset 39916) main_length), 41235#(<= (+ main_offset 39912) main_length), 41236#(<= (+ main_offset 39908) main_length), 41237#(<= (+ main_offset 39904) main_length), 41238#(<= (+ main_offset 39900) main_length), 41239#(<= (+ main_offset 39896) main_length), 41240#(<= (+ main_offset 39892) main_length), 41241#(<= (+ main_offset 39888) main_length), 41242#(<= (+ main_offset 39884) main_length), 41243#(<= (+ main_offset 39880) main_length), 41244#(<= (+ main_offset 39876) main_length), 41245#(<= (+ main_offset 39872) main_length), 41246#(<= (+ main_offset 39868) main_length), 41247#(<= (+ main_offset 39864) main_length), 41248#(<= (+ main_offset 39860) main_length), 41249#(<= (+ main_offset 39856) main_length), 41250#(<= (+ main_offset 39852) main_length), 41251#(<= (+ main_offset 39848) main_length), 41252#(<= (+ main_offset 39844) main_length), 41253#(<= (+ main_offset 39840) main_length), 41254#(<= (+ main_offset 39836) main_length), 41255#(<= (+ main_offset 39832) main_length), 41256#(<= (+ main_offset 39828) main_length), 41257#(<= (+ main_offset 39824) main_length), 41258#(<= (+ main_offset 39820) main_length), 41259#(<= (+ main_offset 39816) main_length), 41260#(<= (+ main_offset 39812) main_length), 41261#(<= (+ main_offset 39808) main_length), 41262#(<= (+ main_offset 39804) main_length), 41263#(<= (+ main_offset 39800) main_length), 41264#(<= (+ main_offset 39796) main_length), 41265#(<= (+ main_offset 39792) main_length), 41266#(<= (+ main_offset 39788) main_length), 41267#(<= (+ main_offset 39784) main_length), 41268#(<= (+ main_offset 39780) main_length), 41269#(<= (+ main_offset 39776) main_length), 41270#(<= (+ main_offset 39772) main_length), 41271#(<= (+ main_offset 39768) main_length), 41272#(<= (+ main_offset 39764) main_length), 41273#(<= (+ main_offset 39760) main_length), 41274#(<= (+ main_offset 39756) main_length), 41275#(<= (+ main_offset 39752) main_length), 41276#(<= (+ main_offset 39748) main_length), 41277#(<= (+ main_offset 39744) main_length), 41278#(<= (+ main_offset 39740) main_length), 41279#(<= (+ main_offset 39736) main_length), 41280#(<= (+ main_offset 39732) main_length), 41281#(<= (+ main_offset 39728) main_length), 41282#(<= (+ main_offset 39724) main_length), 41283#(<= (+ main_offset 39720) main_length), 41284#(<= (+ main_offset 39716) main_length), 41285#(<= (+ main_offset 39712) main_length), 41286#(<= (+ main_offset 39708) main_length), 41287#(<= (+ main_offset 39704) main_length), 41288#(<= (+ main_offset 39700) main_length), 41289#(<= (+ main_offset 39696) main_length), 41290#(<= (+ main_offset 39692) main_length), 41291#(<= (+ main_offset 39688) main_length), 41292#(<= (+ main_offset 39684) main_length), 41293#(<= (+ main_offset 39680) main_length), 41294#(<= (+ main_offset 39676) main_length), 41295#(<= (+ main_offset 39672) main_length), 41296#(<= (+ main_offset 39668) main_length), 41297#(<= (+ main_offset 39664) main_length), 41298#(<= (+ main_offset 39660) main_length), 41299#(<= (+ main_offset 39656) main_length), 41300#(<= (+ main_offset 39652) main_length), 41301#(<= (+ main_offset 39648) main_length), 41302#(<= (+ main_offset 39644) main_length), 41303#(<= (+ main_offset 39640) main_length), 41304#(<= (+ main_offset 39636) main_length), 41305#(<= (+ main_offset 39632) main_length), 41306#(<= (+ main_offset 39628) main_length), 41211#true, 41212#false, 41213#(<= (+ main_offset 40000) main_length), 41214#(<= (+ main_offset 39996) main_length), 41215#(<= (+ main_offset 39992) main_length)] [2018-07-23 13:54:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:48,878 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:54:48,878 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:54:48,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:54:48,879 INFO L87 Difference]: Start difference. First operand 190 states and 190 transitions. Second operand 96 states. [2018-07-23 13:54:49,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:49,014 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:54:49,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:54:49,014 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 189 [2018-07-23 13:54:49,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:49,015 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:54:49,015 INFO L226 Difference]: Without dead ends: 192 [2018-07-23 13:54:49,016 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:54:49,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-07-23 13:54:49,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2018-07-23 13:54:49,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-07-23 13:54:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 192 transitions. [2018-07-23 13:54:49,021 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 192 transitions. Word has length 189 [2018-07-23 13:54:49,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:49,021 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 192 transitions. [2018-07-23 13:54:49,021 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:54:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 192 transitions. [2018-07-23 13:54:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-07-23 13:54:49,022 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:49,023 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1] [2018-07-23 13:54:49,023 INFO L414 AbstractCegarLoop]: === Iteration 95 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:49,023 INFO L82 PathProgramCache]: Analyzing trace with hash 547672988, now seen corresponding path program 94 times [2018-07-23 13:54:49,023 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:49,561 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:49,561 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:54:49,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:49,562 INFO L185 omatonBuilderFactory]: Interpolants [42077#true, 42078#false, 42079#(<= (+ main_offset 40000) main_length), 42080#(<= (+ main_offset 39996) main_length), 42081#(<= (+ main_offset 39992) main_length), 42082#(<= (+ main_offset 39988) main_length), 42083#(<= (+ main_offset 39984) main_length), 42084#(<= (+ main_offset 39980) main_length), 42085#(<= (+ main_offset 39976) main_length), 42086#(<= (+ main_offset 39972) main_length), 42087#(<= (+ main_offset 39968) main_length), 42088#(<= (+ main_offset 39964) main_length), 42089#(<= (+ main_offset 39960) main_length), 42090#(<= (+ main_offset 39956) main_length), 42091#(<= (+ main_offset 39952) main_length), 42092#(<= (+ main_offset 39948) main_length), 42093#(<= (+ main_offset 39944) main_length), 42094#(<= (+ main_offset 39940) main_length), 42095#(<= (+ main_offset 39936) main_length), 42096#(<= (+ main_offset 39932) main_length), 42097#(<= (+ main_offset 39928) main_length), 42098#(<= (+ main_offset 39924) main_length), 42099#(<= (+ main_offset 39920) main_length), 42100#(<= (+ main_offset 39916) main_length), 42101#(<= (+ main_offset 39912) main_length), 42102#(<= (+ main_offset 39908) main_length), 42103#(<= (+ main_offset 39904) main_length), 42104#(<= (+ main_offset 39900) main_length), 42105#(<= (+ main_offset 39896) main_length), 42106#(<= (+ main_offset 39892) main_length), 42107#(<= (+ main_offset 39888) main_length), 42108#(<= (+ main_offset 39884) main_length), 42109#(<= (+ main_offset 39880) main_length), 42110#(<= (+ main_offset 39876) main_length), 42111#(<= (+ main_offset 39872) main_length), 42112#(<= (+ main_offset 39868) main_length), 42113#(<= (+ main_offset 39864) main_length), 42114#(<= (+ main_offset 39860) main_length), 42115#(<= (+ main_offset 39856) main_length), 42116#(<= (+ main_offset 39852) main_length), 42117#(<= (+ main_offset 39848) main_length), 42118#(<= (+ main_offset 39844) main_length), 42119#(<= (+ main_offset 39840) main_length), 42120#(<= (+ main_offset 39836) main_length), 42121#(<= (+ main_offset 39832) main_length), 42122#(<= (+ main_offset 39828) main_length), 42123#(<= (+ main_offset 39824) main_length), 42124#(<= (+ main_offset 39820) main_length), 42125#(<= (+ main_offset 39816) main_length), 42126#(<= (+ main_offset 39812) main_length), 42127#(<= (+ main_offset 39808) main_length), 42128#(<= (+ main_offset 39804) main_length), 42129#(<= (+ main_offset 39800) main_length), 42130#(<= (+ main_offset 39796) main_length), 42131#(<= (+ main_offset 39792) main_length), 42132#(<= (+ main_offset 39788) main_length), 42133#(<= (+ main_offset 39784) main_length), 42134#(<= (+ main_offset 39780) main_length), 42135#(<= (+ main_offset 39776) main_length), 42136#(<= (+ main_offset 39772) main_length), 42137#(<= (+ main_offset 39768) main_length), 42138#(<= (+ main_offset 39764) main_length), 42139#(<= (+ main_offset 39760) main_length), 42140#(<= (+ main_offset 39756) main_length), 42141#(<= (+ main_offset 39752) main_length), 42142#(<= (+ main_offset 39748) main_length), 42143#(<= (+ main_offset 39744) main_length), 42144#(<= (+ main_offset 39740) main_length), 42145#(<= (+ main_offset 39736) main_length), 42146#(<= (+ main_offset 39732) main_length), 42147#(<= (+ main_offset 39728) main_length), 42148#(<= (+ main_offset 39724) main_length), 42149#(<= (+ main_offset 39720) main_length), 42150#(<= (+ main_offset 39716) main_length), 42151#(<= (+ main_offset 39712) main_length), 42152#(<= (+ main_offset 39708) main_length), 42153#(<= (+ main_offset 39704) main_length), 42154#(<= (+ main_offset 39700) main_length), 42155#(<= (+ main_offset 39696) main_length), 42156#(<= (+ main_offset 39692) main_length), 42157#(<= (+ main_offset 39688) main_length), 42158#(<= (+ main_offset 39684) main_length), 42159#(<= (+ main_offset 39680) main_length), 42160#(<= (+ main_offset 39676) main_length), 42161#(<= (+ main_offset 39672) main_length), 42162#(<= (+ main_offset 39668) main_length), 42163#(<= (+ main_offset 39664) main_length), 42164#(<= (+ main_offset 39660) main_length), 42165#(<= (+ main_offset 39656) main_length), 42166#(<= (+ main_offset 39652) main_length), 42167#(<= (+ main_offset 39648) main_length), 42168#(<= (+ main_offset 39644) main_length), 42169#(<= (+ main_offset 39640) main_length), 42170#(<= (+ main_offset 39636) main_length), 42171#(<= (+ main_offset 39632) main_length), 42172#(<= (+ main_offset 39628) main_length), 42173#(<= (+ main_offset 39624) main_length)] [2018-07-23 13:54:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:49,562 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:54:49,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:54:49,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:54:49,564 INFO L87 Difference]: Start difference. First operand 192 states and 192 transitions. Second operand 97 states. [2018-07-23 13:54:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:49,651 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:54:49,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:54:49,651 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 191 [2018-07-23 13:54:49,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:49,652 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:54:49,652 INFO L226 Difference]: Without dead ends: 194 [2018-07-23 13:54:49,653 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:54:49,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-07-23 13:54:49,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2018-07-23 13:54:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-07-23 13:54:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2018-07-23 13:54:49,657 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 191 [2018-07-23 13:54:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:49,657 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2018-07-23 13:54:49,657 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:54:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2018-07-23 13:54:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-07-23 13:54:49,658 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:49,658 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1] [2018-07-23 13:54:49,658 INFO L414 AbstractCegarLoop]: === Iteration 96 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:49,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1967234850, now seen corresponding path program 95 times [2018-07-23 13:54:49,658 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,017 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:50,017 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:54:50,017 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,018 INFO L185 omatonBuilderFactory]: Interpolants [43008#(<= (+ main_offset 39784) main_length), 43009#(<= (+ main_offset 39780) main_length), 43010#(<= (+ main_offset 39776) main_length), 43011#(<= (+ main_offset 39772) main_length), 43012#(<= (+ main_offset 39768) main_length), 43013#(<= (+ main_offset 39764) main_length), 43014#(<= (+ main_offset 39760) main_length), 43015#(<= (+ main_offset 39756) main_length), 43016#(<= (+ main_offset 39752) main_length), 43017#(<= (+ main_offset 39748) main_length), 43018#(<= (+ main_offset 39744) main_length), 43019#(<= (+ main_offset 39740) main_length), 43020#(<= (+ main_offset 39736) main_length), 43021#(<= (+ main_offset 39732) main_length), 43022#(<= (+ main_offset 39728) main_length), 43023#(<= (+ main_offset 39724) main_length), 43024#(<= (+ main_offset 39720) main_length), 43025#(<= (+ main_offset 39716) main_length), 43026#(<= (+ main_offset 39712) main_length), 43027#(<= (+ main_offset 39708) main_length), 43028#(<= (+ main_offset 39704) main_length), 43029#(<= (+ main_offset 39700) main_length), 43030#(<= (+ main_offset 39696) main_length), 43031#(<= (+ main_offset 39692) main_length), 43032#(<= (+ main_offset 39688) main_length), 43033#(<= (+ main_offset 39684) main_length), 43034#(<= (+ main_offset 39680) main_length), 43035#(<= (+ main_offset 39676) main_length), 43036#(<= (+ main_offset 39672) main_length), 43037#(<= (+ main_offset 39668) main_length), 43038#(<= (+ main_offset 39664) main_length), 43039#(<= (+ main_offset 39660) main_length), 43040#(<= (+ main_offset 39656) main_length), 43041#(<= (+ main_offset 39652) main_length), 43042#(<= (+ main_offset 39648) main_length), 43043#(<= (+ main_offset 39644) main_length), 43044#(<= (+ main_offset 39640) main_length), 43045#(<= (+ main_offset 39636) main_length), 43046#(<= (+ main_offset 39632) main_length), 43047#(<= (+ main_offset 39628) main_length), 43048#(<= (+ main_offset 39624) main_length), 43049#(<= (+ main_offset 39620) main_length), 42952#true, 42953#false, 42954#(<= (+ main_offset 40000) main_length), 42955#(<= (+ main_offset 39996) main_length), 42956#(<= (+ main_offset 39992) main_length), 42957#(<= (+ main_offset 39988) main_length), 42958#(<= (+ main_offset 39984) main_length), 42959#(<= (+ main_offset 39980) main_length), 42960#(<= (+ main_offset 39976) main_length), 42961#(<= (+ main_offset 39972) main_length), 42962#(<= (+ main_offset 39968) main_length), 42963#(<= (+ main_offset 39964) main_length), 42964#(<= (+ main_offset 39960) main_length), 42965#(<= (+ main_offset 39956) main_length), 42966#(<= (+ main_offset 39952) main_length), 42967#(<= (+ main_offset 39948) main_length), 42968#(<= (+ main_offset 39944) main_length), 42969#(<= (+ main_offset 39940) main_length), 42970#(<= (+ main_offset 39936) main_length), 42971#(<= (+ main_offset 39932) main_length), 42972#(<= (+ main_offset 39928) main_length), 42973#(<= (+ main_offset 39924) main_length), 42974#(<= (+ main_offset 39920) main_length), 42975#(<= (+ main_offset 39916) main_length), 42976#(<= (+ main_offset 39912) main_length), 42977#(<= (+ main_offset 39908) main_length), 42978#(<= (+ main_offset 39904) main_length), 42979#(<= (+ main_offset 39900) main_length), 42980#(<= (+ main_offset 39896) main_length), 42981#(<= (+ main_offset 39892) main_length), 42982#(<= (+ main_offset 39888) main_length), 42983#(<= (+ main_offset 39884) main_length), 42984#(<= (+ main_offset 39880) main_length), 42985#(<= (+ main_offset 39876) main_length), 42986#(<= (+ main_offset 39872) main_length), 42987#(<= (+ main_offset 39868) main_length), 42988#(<= (+ main_offset 39864) main_length), 42989#(<= (+ main_offset 39860) main_length), 42990#(<= (+ main_offset 39856) main_length), 42991#(<= (+ main_offset 39852) main_length), 42992#(<= (+ main_offset 39848) main_length), 42993#(<= (+ main_offset 39844) main_length), 42994#(<= (+ main_offset 39840) main_length), 42995#(<= (+ main_offset 39836) main_length), 42996#(<= (+ main_offset 39832) main_length), 42997#(<= (+ main_offset 39828) main_length), 42998#(<= (+ main_offset 39824) main_length), 42999#(<= (+ main_offset 39820) main_length), 43000#(<= (+ main_offset 39816) main_length), 43001#(<= (+ main_offset 39812) main_length), 43002#(<= (+ main_offset 39808) main_length), 43003#(<= (+ main_offset 39804) main_length), 43004#(<= (+ main_offset 39800) main_length), 43005#(<= (+ main_offset 39796) main_length), 43006#(<= (+ main_offset 39792) main_length), 43007#(<= (+ main_offset 39788) main_length)] [2018-07-23 13:54:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,019 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:54:50,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:54:50,020 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:54:50,020 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand 98 states. [2018-07-23 13:54:50,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:50,094 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:54:50,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:54:50,094 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 193 [2018-07-23 13:54:50,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:50,095 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:54:50,095 INFO L226 Difference]: Without dead ends: 196 [2018-07-23 13:54:50,096 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:54:50,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-07-23 13:54:50,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-07-23 13:54:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-07-23 13:54:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 196 transitions. [2018-07-23 13:54:50,101 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 196 transitions. Word has length 193 [2018-07-23 13:54:50,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:50,101 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 196 transitions. [2018-07-23 13:54:50,101 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:54:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 196 transitions. [2018-07-23 13:54:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-23 13:54:50,102 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:50,102 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1] [2018-07-23 13:54:50,103 INFO L414 AbstractCegarLoop]: === Iteration 97 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:50,103 INFO L82 PathProgramCache]: Analyzing trace with hash -727079520, now seen corresponding path program 96 times [2018-07-23 13:54:50,103 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,435 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:50,435 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:54:50,435 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,436 INFO L185 omatonBuilderFactory]: Interpolants [43836#true, 43837#false, 43838#(<= (+ main_offset 40000) main_length), 43839#(<= (+ main_offset 39996) main_length), 43840#(<= (+ main_offset 39992) main_length), 43841#(<= (+ main_offset 39988) main_length), 43842#(<= (+ main_offset 39984) main_length), 43843#(<= (+ main_offset 39980) main_length), 43844#(<= (+ main_offset 39976) main_length), 43845#(<= (+ main_offset 39972) main_length), 43846#(<= (+ main_offset 39968) main_length), 43847#(<= (+ main_offset 39964) main_length), 43848#(<= (+ main_offset 39960) main_length), 43849#(<= (+ main_offset 39956) main_length), 43850#(<= (+ main_offset 39952) main_length), 43851#(<= (+ main_offset 39948) main_length), 43852#(<= (+ main_offset 39944) main_length), 43853#(<= (+ main_offset 39940) main_length), 43854#(<= (+ main_offset 39936) main_length), 43855#(<= (+ main_offset 39932) main_length), 43856#(<= (+ main_offset 39928) main_length), 43857#(<= (+ main_offset 39924) main_length), 43858#(<= (+ main_offset 39920) main_length), 43859#(<= (+ main_offset 39916) main_length), 43860#(<= (+ main_offset 39912) main_length), 43861#(<= (+ main_offset 39908) main_length), 43862#(<= (+ main_offset 39904) main_length), 43863#(<= (+ main_offset 39900) main_length), 43864#(<= (+ main_offset 39896) main_length), 43865#(<= (+ main_offset 39892) main_length), 43866#(<= (+ main_offset 39888) main_length), 43867#(<= (+ main_offset 39884) main_length), 43868#(<= (+ main_offset 39880) main_length), 43869#(<= (+ main_offset 39876) main_length), 43870#(<= (+ main_offset 39872) main_length), 43871#(<= (+ main_offset 39868) main_length), 43872#(<= (+ main_offset 39864) main_length), 43873#(<= (+ main_offset 39860) main_length), 43874#(<= (+ main_offset 39856) main_length), 43875#(<= (+ main_offset 39852) main_length), 43876#(<= (+ main_offset 39848) main_length), 43877#(<= (+ main_offset 39844) main_length), 43878#(<= (+ main_offset 39840) main_length), 43879#(<= (+ main_offset 39836) main_length), 43880#(<= (+ main_offset 39832) main_length), 43881#(<= (+ main_offset 39828) main_length), 43882#(<= (+ main_offset 39824) main_length), 43883#(<= (+ main_offset 39820) main_length), 43884#(<= (+ main_offset 39816) main_length), 43885#(<= (+ main_offset 39812) main_length), 43886#(<= (+ main_offset 39808) main_length), 43887#(<= (+ main_offset 39804) main_length), 43888#(<= (+ main_offset 39800) main_length), 43889#(<= (+ main_offset 39796) main_length), 43890#(<= (+ main_offset 39792) main_length), 43891#(<= (+ main_offset 39788) main_length), 43892#(<= (+ main_offset 39784) main_length), 43893#(<= (+ main_offset 39780) main_length), 43894#(<= (+ main_offset 39776) main_length), 43895#(<= (+ main_offset 39772) main_length), 43896#(<= (+ main_offset 39768) main_length), 43897#(<= (+ main_offset 39764) main_length), 43898#(<= (+ main_offset 39760) main_length), 43899#(<= (+ main_offset 39756) main_length), 43900#(<= (+ main_offset 39752) main_length), 43901#(<= (+ main_offset 39748) main_length), 43902#(<= (+ main_offset 39744) main_length), 43903#(<= (+ main_offset 39740) main_length), 43904#(<= (+ main_offset 39736) main_length), 43905#(<= (+ main_offset 39732) main_length), 43906#(<= (+ main_offset 39728) main_length), 43907#(<= (+ main_offset 39724) main_length), 43908#(<= (+ main_offset 39720) main_length), 43909#(<= (+ main_offset 39716) main_length), 43910#(<= (+ main_offset 39712) main_length), 43911#(<= (+ main_offset 39708) main_length), 43912#(<= (+ main_offset 39704) main_length), 43913#(<= (+ main_offset 39700) main_length), 43914#(<= (+ main_offset 39696) main_length), 43915#(<= (+ main_offset 39692) main_length), 43916#(<= (+ main_offset 39688) main_length), 43917#(<= (+ main_offset 39684) main_length), 43918#(<= (+ main_offset 39680) main_length), 43919#(<= (+ main_offset 39676) main_length), 43920#(<= (+ main_offset 39672) main_length), 43921#(<= (+ main_offset 39668) main_length), 43922#(<= (+ main_offset 39664) main_length), 43923#(<= (+ main_offset 39660) main_length), 43924#(<= (+ main_offset 39656) main_length), 43925#(<= (+ main_offset 39652) main_length), 43926#(<= (+ main_offset 39648) main_length), 43927#(<= (+ main_offset 39644) main_length), 43928#(<= (+ main_offset 39640) main_length), 43929#(<= (+ main_offset 39636) main_length), 43930#(<= (+ main_offset 39632) main_length), 43931#(<= (+ main_offset 39628) main_length), 43932#(<= (+ main_offset 39624) main_length), 43933#(<= (+ main_offset 39620) main_length), 43934#(<= (+ main_offset 39616) main_length)] [2018-07-23 13:54:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,436 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:54:50,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:54:50,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:54:50,437 INFO L87 Difference]: Start difference. First operand 196 states and 196 transitions. Second operand 99 states. [2018-07-23 13:54:50,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:50,522 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:54:50,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:54:50,522 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 195 [2018-07-23 13:54:50,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:50,523 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:54:50,523 INFO L226 Difference]: Without dead ends: 198 [2018-07-23 13:54:50,524 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:54:50,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-07-23 13:54:50,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-07-23 13:54:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-07-23 13:54:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 198 transitions. [2018-07-23 13:54:50,528 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 198 transitions. Word has length 195 [2018-07-23 13:54:50,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:50,528 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 198 transitions. [2018-07-23 13:54:50,529 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:54:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 198 transitions. [2018-07-23 13:54:50,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-23 13:54:50,530 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:50,530 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1] [2018-07-23 13:54:50,530 INFO L414 AbstractCegarLoop]: === Iteration 98 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:50,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1356251618, now seen corresponding path program 97 times [2018-07-23 13:54:50,530 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,887 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:50,887 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:54:50,887 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,888 INFO L185 omatonBuilderFactory]: Interpolants [44800#(<= (+ main_offset 39724) main_length), 44801#(<= (+ main_offset 39720) main_length), 44802#(<= (+ main_offset 39716) main_length), 44803#(<= (+ main_offset 39712) main_length), 44804#(<= (+ main_offset 39708) main_length), 44805#(<= (+ main_offset 39704) main_length), 44806#(<= (+ main_offset 39700) main_length), 44807#(<= (+ main_offset 39696) main_length), 44808#(<= (+ main_offset 39692) main_length), 44809#(<= (+ main_offset 39688) main_length), 44810#(<= (+ main_offset 39684) main_length), 44811#(<= (+ main_offset 39680) main_length), 44812#(<= (+ main_offset 39676) main_length), 44813#(<= (+ main_offset 39672) main_length), 44814#(<= (+ main_offset 39668) main_length), 44815#(<= (+ main_offset 39664) main_length), 44816#(<= (+ main_offset 39660) main_length), 44817#(<= (+ main_offset 39656) main_length), 44818#(<= (+ main_offset 39652) main_length), 44819#(<= (+ main_offset 39648) main_length), 44820#(<= (+ main_offset 39644) main_length), 44821#(<= (+ main_offset 39640) main_length), 44822#(<= (+ main_offset 39636) main_length), 44823#(<= (+ main_offset 39632) main_length), 44824#(<= (+ main_offset 39628) main_length), 44825#(<= (+ main_offset 39624) main_length), 44826#(<= (+ main_offset 39620) main_length), 44827#(<= (+ main_offset 39616) main_length), 44828#(<= (+ main_offset 39612) main_length), 44729#true, 44730#false, 44731#(<= (+ main_offset 40000) main_length), 44732#(<= (+ main_offset 39996) main_length), 44733#(<= (+ main_offset 39992) main_length), 44734#(<= (+ main_offset 39988) main_length), 44735#(<= (+ main_offset 39984) main_length), 44736#(<= (+ main_offset 39980) main_length), 44737#(<= (+ main_offset 39976) main_length), 44738#(<= (+ main_offset 39972) main_length), 44739#(<= (+ main_offset 39968) main_length), 44740#(<= (+ main_offset 39964) main_length), 44741#(<= (+ main_offset 39960) main_length), 44742#(<= (+ main_offset 39956) main_length), 44743#(<= (+ main_offset 39952) main_length), 44744#(<= (+ main_offset 39948) main_length), 44745#(<= (+ main_offset 39944) main_length), 44746#(<= (+ main_offset 39940) main_length), 44747#(<= (+ main_offset 39936) main_length), 44748#(<= (+ main_offset 39932) main_length), 44749#(<= (+ main_offset 39928) main_length), 44750#(<= (+ main_offset 39924) main_length), 44751#(<= (+ main_offset 39920) main_length), 44752#(<= (+ main_offset 39916) main_length), 44753#(<= (+ main_offset 39912) main_length), 44754#(<= (+ main_offset 39908) main_length), 44755#(<= (+ main_offset 39904) main_length), 44756#(<= (+ main_offset 39900) main_length), 44757#(<= (+ main_offset 39896) main_length), 44758#(<= (+ main_offset 39892) main_length), 44759#(<= (+ main_offset 39888) main_length), 44760#(<= (+ main_offset 39884) main_length), 44761#(<= (+ main_offset 39880) main_length), 44762#(<= (+ main_offset 39876) main_length), 44763#(<= (+ main_offset 39872) main_length), 44764#(<= (+ main_offset 39868) main_length), 44765#(<= (+ main_offset 39864) main_length), 44766#(<= (+ main_offset 39860) main_length), 44767#(<= (+ main_offset 39856) main_length), 44768#(<= (+ main_offset 39852) main_length), 44769#(<= (+ main_offset 39848) main_length), 44770#(<= (+ main_offset 39844) main_length), 44771#(<= (+ main_offset 39840) main_length), 44772#(<= (+ main_offset 39836) main_length), 44773#(<= (+ main_offset 39832) main_length), 44774#(<= (+ main_offset 39828) main_length), 44775#(<= (+ main_offset 39824) main_length), 44776#(<= (+ main_offset 39820) main_length), 44777#(<= (+ main_offset 39816) main_length), 44778#(<= (+ main_offset 39812) main_length), 44779#(<= (+ main_offset 39808) main_length), 44780#(<= (+ main_offset 39804) main_length), 44781#(<= (+ main_offset 39800) main_length), 44782#(<= (+ main_offset 39796) main_length), 44783#(<= (+ main_offset 39792) main_length), 44784#(<= (+ main_offset 39788) main_length), 44785#(<= (+ main_offset 39784) main_length), 44786#(<= (+ main_offset 39780) main_length), 44787#(<= (+ main_offset 39776) main_length), 44788#(<= (+ main_offset 39772) main_length), 44789#(<= (+ main_offset 39768) main_length), 44790#(<= (+ main_offset 39764) main_length), 44791#(<= (+ main_offset 39760) main_length), 44792#(<= (+ main_offset 39756) main_length), 44793#(<= (+ main_offset 39752) main_length), 44794#(<= (+ main_offset 39748) main_length), 44795#(<= (+ main_offset 39744) main_length), 44796#(<= (+ main_offset 39740) main_length), 44797#(<= (+ main_offset 39736) main_length), 44798#(<= (+ main_offset 39732) main_length), 44799#(<= (+ main_offset 39728) main_length)] [2018-07-23 13:54:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,888 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:54:50,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:54:50,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:54:50,890 INFO L87 Difference]: Start difference. First operand 198 states and 198 transitions. Second operand 100 states. [2018-07-23 13:54:51,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:51,021 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:54:51,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:54:51,022 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 197 [2018-07-23 13:54:51,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:51,023 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:54:51,023 INFO L226 Difference]: Without dead ends: 200 [2018-07-23 13:54:51,024 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:54:51,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-07-23 13:54:51,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2018-07-23 13:54:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-07-23 13:54:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-07-23 13:54:51,029 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 200 transitions. Word has length 197 [2018-07-23 13:54:51,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:51,030 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 200 transitions. [2018-07-23 13:54:51,030 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:54:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-07-23 13:54:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-23 13:54:51,031 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:51,031 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1] [2018-07-23 13:54:51,032 INFO L414 AbstractCegarLoop]: === Iteration 99 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:51,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1982715300, now seen corresponding path program 98 times [2018-07-23 13:54:51,032 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:51,674 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:51,674 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:51,674 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:54:51,674 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:51,675 INFO L185 omatonBuilderFactory]: Interpolants [45631#true, 45632#false, 45633#(<= (+ main_offset 40000) main_length), 45634#(<= (+ main_offset 39996) main_length), 45635#(<= (+ main_offset 39992) main_length), 45636#(<= (+ main_offset 39988) main_length), 45637#(<= (+ main_offset 39984) main_length), 45638#(<= (+ main_offset 39980) main_length), 45639#(<= (+ main_offset 39976) main_length), 45640#(<= (+ main_offset 39972) main_length), 45641#(<= (+ main_offset 39968) main_length), 45642#(<= (+ main_offset 39964) main_length), 45643#(<= (+ main_offset 39960) main_length), 45644#(<= (+ main_offset 39956) main_length), 45645#(<= (+ main_offset 39952) main_length), 45646#(<= (+ main_offset 39948) main_length), 45647#(<= (+ main_offset 39944) main_length), 45648#(<= (+ main_offset 39940) main_length), 45649#(<= (+ main_offset 39936) main_length), 45650#(<= (+ main_offset 39932) main_length), 45651#(<= (+ main_offset 39928) main_length), 45652#(<= (+ main_offset 39924) main_length), 45653#(<= (+ main_offset 39920) main_length), 45654#(<= (+ main_offset 39916) main_length), 45655#(<= (+ main_offset 39912) main_length), 45656#(<= (+ main_offset 39908) main_length), 45657#(<= (+ main_offset 39904) main_length), 45658#(<= (+ main_offset 39900) main_length), 45659#(<= (+ main_offset 39896) main_length), 45660#(<= (+ main_offset 39892) main_length), 45661#(<= (+ main_offset 39888) main_length), 45662#(<= (+ main_offset 39884) main_length), 45663#(<= (+ main_offset 39880) main_length), 45664#(<= (+ main_offset 39876) main_length), 45665#(<= (+ main_offset 39872) main_length), 45666#(<= (+ main_offset 39868) main_length), 45667#(<= (+ main_offset 39864) main_length), 45668#(<= (+ main_offset 39860) main_length), 45669#(<= (+ main_offset 39856) main_length), 45670#(<= (+ main_offset 39852) main_length), 45671#(<= (+ main_offset 39848) main_length), 45672#(<= (+ main_offset 39844) main_length), 45673#(<= (+ main_offset 39840) main_length), 45674#(<= (+ main_offset 39836) main_length), 45675#(<= (+ main_offset 39832) main_length), 45676#(<= (+ main_offset 39828) main_length), 45677#(<= (+ main_offset 39824) main_length), 45678#(<= (+ main_offset 39820) main_length), 45679#(<= (+ main_offset 39816) main_length), 45680#(<= (+ main_offset 39812) main_length), 45681#(<= (+ main_offset 39808) main_length), 45682#(<= (+ main_offset 39804) main_length), 45683#(<= (+ main_offset 39800) main_length), 45684#(<= (+ main_offset 39796) main_length), 45685#(<= (+ main_offset 39792) main_length), 45686#(<= (+ main_offset 39788) main_length), 45687#(<= (+ main_offset 39784) main_length), 45688#(<= (+ main_offset 39780) main_length), 45689#(<= (+ main_offset 39776) main_length), 45690#(<= (+ main_offset 39772) main_length), 45691#(<= (+ main_offset 39768) main_length), 45692#(<= (+ main_offset 39764) main_length), 45693#(<= (+ main_offset 39760) main_length), 45694#(<= (+ main_offset 39756) main_length), 45695#(<= (+ main_offset 39752) main_length), 45696#(<= (+ main_offset 39748) main_length), 45697#(<= (+ main_offset 39744) main_length), 45698#(<= (+ main_offset 39740) main_length), 45699#(<= (+ main_offset 39736) main_length), 45700#(<= (+ main_offset 39732) main_length), 45701#(<= (+ main_offset 39728) main_length), 45702#(<= (+ main_offset 39724) main_length), 45703#(<= (+ main_offset 39720) main_length), 45704#(<= (+ main_offset 39716) main_length), 45705#(<= (+ main_offset 39712) main_length), 45706#(<= (+ main_offset 39708) main_length), 45707#(<= (+ main_offset 39704) main_length), 45708#(<= (+ main_offset 39700) main_length), 45709#(<= (+ main_offset 39696) main_length), 45710#(<= (+ main_offset 39692) main_length), 45711#(<= (+ main_offset 39688) main_length), 45712#(<= (+ main_offset 39684) main_length), 45713#(<= (+ main_offset 39680) main_length), 45714#(<= (+ main_offset 39676) main_length), 45715#(<= (+ main_offset 39672) main_length), 45716#(<= (+ main_offset 39668) main_length), 45717#(<= (+ main_offset 39664) main_length), 45718#(<= (+ main_offset 39660) main_length), 45719#(<= (+ main_offset 39656) main_length), 45720#(<= (+ main_offset 39652) main_length), 45721#(<= (+ main_offset 39648) main_length), 45722#(<= (+ main_offset 39644) main_length), 45723#(<= (+ main_offset 39640) main_length), 45724#(<= (+ main_offset 39636) main_length), 45725#(<= (+ main_offset 39632) main_length), 45726#(<= (+ main_offset 39628) main_length), 45727#(<= (+ main_offset 39624) main_length), 45728#(<= (+ main_offset 39620) main_length), 45729#(<= (+ main_offset 39616) main_length), 45730#(<= (+ main_offset 39612) main_length), 45731#(<= (+ main_offset 39608) main_length)] [2018-07-23 13:54:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:51,676 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:54:51,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:54:51,678 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:54:51,678 INFO L87 Difference]: Start difference. First operand 200 states and 200 transitions. Second operand 101 states. [2018-07-23 13:54:51,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:51,848 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:54:51,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:54:51,849 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 199 [2018-07-23 13:54:51,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:51,850 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:54:51,850 INFO L226 Difference]: Without dead ends: 202 [2018-07-23 13:54:51,851 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:54:51,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-07-23 13:54:51,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-07-23 13:54:51,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-07-23 13:54:51,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 202 transitions. [2018-07-23 13:54:51,856 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 202 transitions. Word has length 199 [2018-07-23 13:54:51,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:51,856 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 202 transitions. [2018-07-23 13:54:51,856 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:54:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 202 transitions. [2018-07-23 13:54:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-07-23 13:54:51,858 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:51,858 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1] [2018-07-23 13:54:51,858 INFO L414 AbstractCegarLoop]: === Iteration 100 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:51,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1576075034, now seen corresponding path program 99 times [2018-07-23 13:54:51,858 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:52,323 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:52,323 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:54:52,323 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:52,324 INFO L185 omatonBuilderFactory]: Interpolants [46592#(<= (+ main_offset 39808) main_length), 46593#(<= (+ main_offset 39804) main_length), 46594#(<= (+ main_offset 39800) main_length), 46595#(<= (+ main_offset 39796) main_length), 46596#(<= (+ main_offset 39792) main_length), 46597#(<= (+ main_offset 39788) main_length), 46598#(<= (+ main_offset 39784) main_length), 46599#(<= (+ main_offset 39780) main_length), 46600#(<= (+ main_offset 39776) main_length), 46601#(<= (+ main_offset 39772) main_length), 46602#(<= (+ main_offset 39768) main_length), 46603#(<= (+ main_offset 39764) main_length), 46604#(<= (+ main_offset 39760) main_length), 46605#(<= (+ main_offset 39756) main_length), 46606#(<= (+ main_offset 39752) main_length), 46607#(<= (+ main_offset 39748) main_length), 46608#(<= (+ main_offset 39744) main_length), 46609#(<= (+ main_offset 39740) main_length), 46610#(<= (+ main_offset 39736) main_length), 46611#(<= (+ main_offset 39732) main_length), 46612#(<= (+ main_offset 39728) main_length), 46613#(<= (+ main_offset 39724) main_length), 46614#(<= (+ main_offset 39720) main_length), 46615#(<= (+ main_offset 39716) main_length), 46616#(<= (+ main_offset 39712) main_length), 46617#(<= (+ main_offset 39708) main_length), 46618#(<= (+ main_offset 39704) main_length), 46619#(<= (+ main_offset 39700) main_length), 46620#(<= (+ main_offset 39696) main_length), 46621#(<= (+ main_offset 39692) main_length), 46622#(<= (+ main_offset 39688) main_length), 46623#(<= (+ main_offset 39684) main_length), 46624#(<= (+ main_offset 39680) main_length), 46625#(<= (+ main_offset 39676) main_length), 46626#(<= (+ main_offset 39672) main_length), 46627#(<= (+ main_offset 39668) main_length), 46628#(<= (+ main_offset 39664) main_length), 46629#(<= (+ main_offset 39660) main_length), 46630#(<= (+ main_offset 39656) main_length), 46631#(<= (+ main_offset 39652) main_length), 46632#(<= (+ main_offset 39648) main_length), 46633#(<= (+ main_offset 39644) main_length), 46634#(<= (+ main_offset 39640) main_length), 46635#(<= (+ main_offset 39636) main_length), 46636#(<= (+ main_offset 39632) main_length), 46637#(<= (+ main_offset 39628) main_length), 46638#(<= (+ main_offset 39624) main_length), 46639#(<= (+ main_offset 39620) main_length), 46640#(<= (+ main_offset 39616) main_length), 46641#(<= (+ main_offset 39612) main_length), 46642#(<= (+ main_offset 39608) main_length), 46643#(<= (+ main_offset 39604) main_length), 46542#true, 46543#false, 46544#(<= (+ main_offset 40000) main_length), 46545#(<= (+ main_offset 39996) main_length), 46546#(<= (+ main_offset 39992) main_length), 46547#(<= (+ main_offset 39988) main_length), 46548#(<= (+ main_offset 39984) main_length), 46549#(<= (+ main_offset 39980) main_length), 46550#(<= (+ main_offset 39976) main_length), 46551#(<= (+ main_offset 39972) main_length), 46552#(<= (+ main_offset 39968) main_length), 46553#(<= (+ main_offset 39964) main_length), 46554#(<= (+ main_offset 39960) main_length), 46555#(<= (+ main_offset 39956) main_length), 46556#(<= (+ main_offset 39952) main_length), 46557#(<= (+ main_offset 39948) main_length), 46558#(<= (+ main_offset 39944) main_length), 46559#(<= (+ main_offset 39940) main_length), 46560#(<= (+ main_offset 39936) main_length), 46561#(<= (+ main_offset 39932) main_length), 46562#(<= (+ main_offset 39928) main_length), 46563#(<= (+ main_offset 39924) main_length), 46564#(<= (+ main_offset 39920) main_length), 46565#(<= (+ main_offset 39916) main_length), 46566#(<= (+ main_offset 39912) main_length), 46567#(<= (+ main_offset 39908) main_length), 46568#(<= (+ main_offset 39904) main_length), 46569#(<= (+ main_offset 39900) main_length), 46570#(<= (+ main_offset 39896) main_length), 46571#(<= (+ main_offset 39892) main_length), 46572#(<= (+ main_offset 39888) main_length), 46573#(<= (+ main_offset 39884) main_length), 46574#(<= (+ main_offset 39880) main_length), 46575#(<= (+ main_offset 39876) main_length), 46576#(<= (+ main_offset 39872) main_length), 46577#(<= (+ main_offset 39868) main_length), 46578#(<= (+ main_offset 39864) main_length), 46579#(<= (+ main_offset 39860) main_length), 46580#(<= (+ main_offset 39856) main_length), 46581#(<= (+ main_offset 39852) main_length), 46582#(<= (+ main_offset 39848) main_length), 46583#(<= (+ main_offset 39844) main_length), 46584#(<= (+ main_offset 39840) main_length), 46585#(<= (+ main_offset 39836) main_length), 46586#(<= (+ main_offset 39832) main_length), 46587#(<= (+ main_offset 39828) main_length), 46588#(<= (+ main_offset 39824) main_length), 46589#(<= (+ main_offset 39820) main_length), 46590#(<= (+ main_offset 39816) main_length), 46591#(<= (+ main_offset 39812) main_length)] [2018-07-23 13:54:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:52,325 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:54:52,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:54:52,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:54:52,327 INFO L87 Difference]: Start difference. First operand 202 states and 202 transitions. Second operand 102 states. [2018-07-23 13:54:52,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:52,421 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:54:52,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:54:52,421 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 201 [2018-07-23 13:54:52,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:52,422 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:54:52,422 INFO L226 Difference]: Without dead ends: 204 [2018-07-23 13:54:52,423 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:54:52,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-07-23 13:54:52,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-07-23 13:54:52,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-07-23 13:54:52,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 204 transitions. [2018-07-23 13:54:52,427 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 204 transitions. Word has length 201 [2018-07-23 13:54:52,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:52,428 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 204 transitions. [2018-07-23 13:54:52,428 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:54:52,428 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 204 transitions. [2018-07-23 13:54:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-07-23 13:54:52,429 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:52,429 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1] [2018-07-23 13:54:52,430 INFO L414 AbstractCegarLoop]: === Iteration 101 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:52,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1515348904, now seen corresponding path program 100 times [2018-07-23 13:54:52,430 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:52,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:52,932 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:52,932 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:54:52,933 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:52,933 INFO L185 omatonBuilderFactory]: Interpolants [47462#true, 47463#false, 47464#(<= (+ main_offset 40000) main_length), 47465#(<= (+ main_offset 39996) main_length), 47466#(<= (+ main_offset 39992) main_length), 47467#(<= (+ main_offset 39988) main_length), 47468#(<= (+ main_offset 39984) main_length), 47469#(<= (+ main_offset 39980) main_length), 47470#(<= (+ main_offset 39976) main_length), 47471#(<= (+ main_offset 39972) main_length), 47472#(<= (+ main_offset 39968) main_length), 47473#(<= (+ main_offset 39964) main_length), 47474#(<= (+ main_offset 39960) main_length), 47475#(<= (+ main_offset 39956) main_length), 47476#(<= (+ main_offset 39952) main_length), 47477#(<= (+ main_offset 39948) main_length), 47478#(<= (+ main_offset 39944) main_length), 47479#(<= (+ main_offset 39940) main_length), 47480#(<= (+ main_offset 39936) main_length), 47481#(<= (+ main_offset 39932) main_length), 47482#(<= (+ main_offset 39928) main_length), 47483#(<= (+ main_offset 39924) main_length), 47484#(<= (+ main_offset 39920) main_length), 47485#(<= (+ main_offset 39916) main_length), 47486#(<= (+ main_offset 39912) main_length), 47487#(<= (+ main_offset 39908) main_length), 47488#(<= (+ main_offset 39904) main_length), 47489#(<= (+ main_offset 39900) main_length), 47490#(<= (+ main_offset 39896) main_length), 47491#(<= (+ main_offset 39892) main_length), 47492#(<= (+ main_offset 39888) main_length), 47493#(<= (+ main_offset 39884) main_length), 47494#(<= (+ main_offset 39880) main_length), 47495#(<= (+ main_offset 39876) main_length), 47496#(<= (+ main_offset 39872) main_length), 47497#(<= (+ main_offset 39868) main_length), 47498#(<= (+ main_offset 39864) main_length), 47499#(<= (+ main_offset 39860) main_length), 47500#(<= (+ main_offset 39856) main_length), 47501#(<= (+ main_offset 39852) main_length), 47502#(<= (+ main_offset 39848) main_length), 47503#(<= (+ main_offset 39844) main_length), 47504#(<= (+ main_offset 39840) main_length), 47505#(<= (+ main_offset 39836) main_length), 47506#(<= (+ main_offset 39832) main_length), 47507#(<= (+ main_offset 39828) main_length), 47508#(<= (+ main_offset 39824) main_length), 47509#(<= (+ main_offset 39820) main_length), 47510#(<= (+ main_offset 39816) main_length), 47511#(<= (+ main_offset 39812) main_length), 47512#(<= (+ main_offset 39808) main_length), 47513#(<= (+ main_offset 39804) main_length), 47514#(<= (+ main_offset 39800) main_length), 47515#(<= (+ main_offset 39796) main_length), 47516#(<= (+ main_offset 39792) main_length), 47517#(<= (+ main_offset 39788) main_length), 47518#(<= (+ main_offset 39784) main_length), 47519#(<= (+ main_offset 39780) main_length), 47520#(<= (+ main_offset 39776) main_length), 47521#(<= (+ main_offset 39772) main_length), 47522#(<= (+ main_offset 39768) main_length), 47523#(<= (+ main_offset 39764) main_length), 47524#(<= (+ main_offset 39760) main_length), 47525#(<= (+ main_offset 39756) main_length), 47526#(<= (+ main_offset 39752) main_length), 47527#(<= (+ main_offset 39748) main_length), 47528#(<= (+ main_offset 39744) main_length), 47529#(<= (+ main_offset 39740) main_length), 47530#(<= (+ main_offset 39736) main_length), 47531#(<= (+ main_offset 39732) main_length), 47532#(<= (+ main_offset 39728) main_length), 47533#(<= (+ main_offset 39724) main_length), 47534#(<= (+ main_offset 39720) main_length), 47535#(<= (+ main_offset 39716) main_length), 47536#(<= (+ main_offset 39712) main_length), 47537#(<= (+ main_offset 39708) main_length), 47538#(<= (+ main_offset 39704) main_length), 47539#(<= (+ main_offset 39700) main_length), 47540#(<= (+ main_offset 39696) main_length), 47541#(<= (+ main_offset 39692) main_length), 47542#(<= (+ main_offset 39688) main_length), 47543#(<= (+ main_offset 39684) main_length), 47544#(<= (+ main_offset 39680) main_length), 47545#(<= (+ main_offset 39676) main_length), 47546#(<= (+ main_offset 39672) main_length), 47547#(<= (+ main_offset 39668) main_length), 47548#(<= (+ main_offset 39664) main_length), 47549#(<= (+ main_offset 39660) main_length), 47550#(<= (+ main_offset 39656) main_length), 47551#(<= (+ main_offset 39652) main_length), 47552#(<= (+ main_offset 39648) main_length), 47553#(<= (+ main_offset 39644) main_length), 47554#(<= (+ main_offset 39640) main_length), 47555#(<= (+ main_offset 39636) main_length), 47556#(<= (+ main_offset 39632) main_length), 47557#(<= (+ main_offset 39628) main_length), 47558#(<= (+ main_offset 39624) main_length), 47559#(<= (+ main_offset 39620) main_length), 47560#(<= (+ main_offset 39616) main_length), 47561#(<= (+ main_offset 39612) main_length), 47562#(<= (+ main_offset 39608) main_length), 47563#(<= (+ main_offset 39604) main_length), 47564#(<= (+ main_offset 39600) main_length)] [2018-07-23 13:54:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:52,934 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:54:52,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:54:52,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:54:52,935 INFO L87 Difference]: Start difference. First operand 204 states and 204 transitions. Second operand 103 states. [2018-07-23 13:54:53,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:53,070 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:54:53,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:54:53,070 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 203 [2018-07-23 13:54:53,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:53,071 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:54:53,072 INFO L226 Difference]: Without dead ends: 206 [2018-07-23 13:54:53,072 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:54:53,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-07-23 13:54:53,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2018-07-23 13:54:53,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-07-23 13:54:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 206 transitions. [2018-07-23 13:54:53,078 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 206 transitions. Word has length 203 [2018-07-23 13:54:53,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:53,078 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 206 transitions. [2018-07-23 13:54:53,078 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:54:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 206 transitions. [2018-07-23 13:54:53,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-07-23 13:54:53,079 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:53,079 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1] [2018-07-23 13:54:53,079 INFO L414 AbstractCegarLoop]: === Iteration 102 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:53,080 INFO L82 PathProgramCache]: Analyzing trace with hash 256384490, now seen corresponding path program 101 times [2018-07-23 13:54:53,080 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:53,440 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:53,440 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:54:53,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:53,441 INFO L185 omatonBuilderFactory]: Interpolants [48391#true, 48392#false, 48393#(<= (+ main_offset 40000) main_length), 48394#(<= (+ main_offset 39996) main_length), 48395#(<= (+ main_offset 39992) main_length), 48396#(<= (+ main_offset 39988) main_length), 48397#(<= (+ main_offset 39984) main_length), 48398#(<= (+ main_offset 39980) main_length), 48399#(<= (+ main_offset 39976) main_length), 48400#(<= (+ main_offset 39972) main_length), 48401#(<= (+ main_offset 39968) main_length), 48402#(<= (+ main_offset 39964) main_length), 48403#(<= (+ main_offset 39960) main_length), 48404#(<= (+ main_offset 39956) main_length), 48405#(<= (+ main_offset 39952) main_length), 48406#(<= (+ main_offset 39948) main_length), 48407#(<= (+ main_offset 39944) main_length), 48408#(<= (+ main_offset 39940) main_length), 48409#(<= (+ main_offset 39936) main_length), 48410#(<= (+ main_offset 39932) main_length), 48411#(<= (+ main_offset 39928) main_length), 48412#(<= (+ main_offset 39924) main_length), 48413#(<= (+ main_offset 39920) main_length), 48414#(<= (+ main_offset 39916) main_length), 48415#(<= (+ main_offset 39912) main_length), 48416#(<= (+ main_offset 39908) main_length), 48417#(<= (+ main_offset 39904) main_length), 48418#(<= (+ main_offset 39900) main_length), 48419#(<= (+ main_offset 39896) main_length), 48420#(<= (+ main_offset 39892) main_length), 48421#(<= (+ main_offset 39888) main_length), 48422#(<= (+ main_offset 39884) main_length), 48423#(<= (+ main_offset 39880) main_length), 48424#(<= (+ main_offset 39876) main_length), 48425#(<= (+ main_offset 39872) main_length), 48426#(<= (+ main_offset 39868) main_length), 48427#(<= (+ main_offset 39864) main_length), 48428#(<= (+ main_offset 39860) main_length), 48429#(<= (+ main_offset 39856) main_length), 48430#(<= (+ main_offset 39852) main_length), 48431#(<= (+ main_offset 39848) main_length), 48432#(<= (+ main_offset 39844) main_length), 48433#(<= (+ main_offset 39840) main_length), 48434#(<= (+ main_offset 39836) main_length), 48435#(<= (+ main_offset 39832) main_length), 48436#(<= (+ main_offset 39828) main_length), 48437#(<= (+ main_offset 39824) main_length), 48438#(<= (+ main_offset 39820) main_length), 48439#(<= (+ main_offset 39816) main_length), 48440#(<= (+ main_offset 39812) main_length), 48441#(<= (+ main_offset 39808) main_length), 48442#(<= (+ main_offset 39804) main_length), 48443#(<= (+ main_offset 39800) main_length), 48444#(<= (+ main_offset 39796) main_length), 48445#(<= (+ main_offset 39792) main_length), 48446#(<= (+ main_offset 39788) main_length), 48447#(<= (+ main_offset 39784) main_length), 48448#(<= (+ main_offset 39780) main_length), 48449#(<= (+ main_offset 39776) main_length), 48450#(<= (+ main_offset 39772) main_length), 48451#(<= (+ main_offset 39768) main_length), 48452#(<= (+ main_offset 39764) main_length), 48453#(<= (+ main_offset 39760) main_length), 48454#(<= (+ main_offset 39756) main_length), 48455#(<= (+ main_offset 39752) main_length), 48456#(<= (+ main_offset 39748) main_length), 48457#(<= (+ main_offset 39744) main_length), 48458#(<= (+ main_offset 39740) main_length), 48459#(<= (+ main_offset 39736) main_length), 48460#(<= (+ main_offset 39732) main_length), 48461#(<= (+ main_offset 39728) main_length), 48462#(<= (+ main_offset 39724) main_length), 48463#(<= (+ main_offset 39720) main_length), 48464#(<= (+ main_offset 39716) main_length), 48465#(<= (+ main_offset 39712) main_length), 48466#(<= (+ main_offset 39708) main_length), 48467#(<= (+ main_offset 39704) main_length), 48468#(<= (+ main_offset 39700) main_length), 48469#(<= (+ main_offset 39696) main_length), 48470#(<= (+ main_offset 39692) main_length), 48471#(<= (+ main_offset 39688) main_length), 48472#(<= (+ main_offset 39684) main_length), 48473#(<= (+ main_offset 39680) main_length), 48474#(<= (+ main_offset 39676) main_length), 48475#(<= (+ main_offset 39672) main_length), 48476#(<= (+ main_offset 39668) main_length), 48477#(<= (+ main_offset 39664) main_length), 48478#(<= (+ main_offset 39660) main_length), 48479#(<= (+ main_offset 39656) main_length), 48480#(<= (+ main_offset 39652) main_length), 48481#(<= (+ main_offset 39648) main_length), 48482#(<= (+ main_offset 39644) main_length), 48483#(<= (+ main_offset 39640) main_length), 48484#(<= (+ main_offset 39636) main_length), 48485#(<= (+ main_offset 39632) main_length), 48486#(<= (+ main_offset 39628) main_length), 48487#(<= (+ main_offset 39624) main_length), 48488#(<= (+ main_offset 39620) main_length), 48489#(<= (+ main_offset 39616) main_length), 48490#(<= (+ main_offset 39612) main_length), 48491#(<= (+ main_offset 39608) main_length), 48492#(<= (+ main_offset 39604) main_length), 48493#(<= (+ main_offset 39600) main_length), 48494#(<= (+ main_offset 39596) main_length)] [2018-07-23 13:54:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:53,441 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:54:53,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:54:53,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:54:53,443 INFO L87 Difference]: Start difference. First operand 206 states and 206 transitions. Second operand 104 states. [2018-07-23 13:54:53,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:53,630 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:54:53,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:54:53,630 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 205 [2018-07-23 13:54:53,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:53,631 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:54:53,631 INFO L226 Difference]: Without dead ends: 208 [2018-07-23 13:54:53,632 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:54:53,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-07-23 13:54:53,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2018-07-23 13:54:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-07-23 13:54:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 208 transitions. [2018-07-23 13:54:53,638 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 208 transitions. Word has length 205 [2018-07-23 13:54:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:53,638 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 208 transitions. [2018-07-23 13:54:53,638 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:54:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 208 transitions. [2018-07-23 13:54:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-07-23 13:54:53,639 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:53,640 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 1, 1] [2018-07-23 13:54:53,640 INFO L414 AbstractCegarLoop]: === Iteration 103 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:53,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1572360108, now seen corresponding path program 102 times [2018-07-23 13:54:53,640 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:54,039 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:54,039 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:54:54,039 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:54,040 INFO L185 omatonBuilderFactory]: Interpolants [49408#(<= (+ main_offset 39692) main_length), 49409#(<= (+ main_offset 39688) main_length), 49410#(<= (+ main_offset 39684) main_length), 49411#(<= (+ main_offset 39680) main_length), 49412#(<= (+ main_offset 39676) main_length), 49413#(<= (+ main_offset 39672) main_length), 49414#(<= (+ main_offset 39668) main_length), 49415#(<= (+ main_offset 39664) main_length), 49416#(<= (+ main_offset 39660) main_length), 49417#(<= (+ main_offset 39656) main_length), 49418#(<= (+ main_offset 39652) main_length), 49419#(<= (+ main_offset 39648) main_length), 49420#(<= (+ main_offset 39644) main_length), 49421#(<= (+ main_offset 39640) main_length), 49422#(<= (+ main_offset 39636) main_length), 49423#(<= (+ main_offset 39632) main_length), 49424#(<= (+ main_offset 39628) main_length), 49425#(<= (+ main_offset 39624) main_length), 49426#(<= (+ main_offset 39620) main_length), 49427#(<= (+ main_offset 39616) main_length), 49428#(<= (+ main_offset 39612) main_length), 49429#(<= (+ main_offset 39608) main_length), 49430#(<= (+ main_offset 39604) main_length), 49431#(<= (+ main_offset 39600) main_length), 49432#(<= (+ main_offset 39596) main_length), 49433#(<= (+ main_offset 39592) main_length), 49329#true, 49330#false, 49331#(<= (+ main_offset 40000) main_length), 49332#(<= (+ main_offset 39996) main_length), 49333#(<= (+ main_offset 39992) main_length), 49334#(<= (+ main_offset 39988) main_length), 49335#(<= (+ main_offset 39984) main_length), 49336#(<= (+ main_offset 39980) main_length), 49337#(<= (+ main_offset 39976) main_length), 49338#(<= (+ main_offset 39972) main_length), 49339#(<= (+ main_offset 39968) main_length), 49340#(<= (+ main_offset 39964) main_length), 49341#(<= (+ main_offset 39960) main_length), 49342#(<= (+ main_offset 39956) main_length), 49343#(<= (+ main_offset 39952) main_length), 49344#(<= (+ main_offset 39948) main_length), 49345#(<= (+ main_offset 39944) main_length), 49346#(<= (+ main_offset 39940) main_length), 49347#(<= (+ main_offset 39936) main_length), 49348#(<= (+ main_offset 39932) main_length), 49349#(<= (+ main_offset 39928) main_length), 49350#(<= (+ main_offset 39924) main_length), 49351#(<= (+ main_offset 39920) main_length), 49352#(<= (+ main_offset 39916) main_length), 49353#(<= (+ main_offset 39912) main_length), 49354#(<= (+ main_offset 39908) main_length), 49355#(<= (+ main_offset 39904) main_length), 49356#(<= (+ main_offset 39900) main_length), 49357#(<= (+ main_offset 39896) main_length), 49358#(<= (+ main_offset 39892) main_length), 49359#(<= (+ main_offset 39888) main_length), 49360#(<= (+ main_offset 39884) main_length), 49361#(<= (+ main_offset 39880) main_length), 49362#(<= (+ main_offset 39876) main_length), 49363#(<= (+ main_offset 39872) main_length), 49364#(<= (+ main_offset 39868) main_length), 49365#(<= (+ main_offset 39864) main_length), 49366#(<= (+ main_offset 39860) main_length), 49367#(<= (+ main_offset 39856) main_length), 49368#(<= (+ main_offset 39852) main_length), 49369#(<= (+ main_offset 39848) main_length), 49370#(<= (+ main_offset 39844) main_length), 49371#(<= (+ main_offset 39840) main_length), 49372#(<= (+ main_offset 39836) main_length), 49373#(<= (+ main_offset 39832) main_length), 49374#(<= (+ main_offset 39828) main_length), 49375#(<= (+ main_offset 39824) main_length), 49376#(<= (+ main_offset 39820) main_length), 49377#(<= (+ main_offset 39816) main_length), 49378#(<= (+ main_offset 39812) main_length), 49379#(<= (+ main_offset 39808) main_length), 49380#(<= (+ main_offset 39804) main_length), 49381#(<= (+ main_offset 39800) main_length), 49382#(<= (+ main_offset 39796) main_length), 49383#(<= (+ main_offset 39792) main_length), 49384#(<= (+ main_offset 39788) main_length), 49385#(<= (+ main_offset 39784) main_length), 49386#(<= (+ main_offset 39780) main_length), 49387#(<= (+ main_offset 39776) main_length), 49388#(<= (+ main_offset 39772) main_length), 49389#(<= (+ main_offset 39768) main_length), 49390#(<= (+ main_offset 39764) main_length), 49391#(<= (+ main_offset 39760) main_length), 49392#(<= (+ main_offset 39756) main_length), 49393#(<= (+ main_offset 39752) main_length), 49394#(<= (+ main_offset 39748) main_length), 49395#(<= (+ main_offset 39744) main_length), 49396#(<= (+ main_offset 39740) main_length), 49397#(<= (+ main_offset 39736) main_length), 49398#(<= (+ main_offset 39732) main_length), 49399#(<= (+ main_offset 39728) main_length), 49400#(<= (+ main_offset 39724) main_length), 49401#(<= (+ main_offset 39720) main_length), 49402#(<= (+ main_offset 39716) main_length), 49403#(<= (+ main_offset 39712) main_length), 49404#(<= (+ main_offset 39708) main_length), 49405#(<= (+ main_offset 39704) main_length), 49406#(<= (+ main_offset 39700) main_length), 49407#(<= (+ main_offset 39696) main_length)] [2018-07-23 13:54:54,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:54,040 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:54:54,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:54:54,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:54:54,042 INFO L87 Difference]: Start difference. First operand 208 states and 208 transitions. Second operand 105 states. [2018-07-23 13:54:54,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:54,201 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:54:54,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:54:54,202 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 207 [2018-07-23 13:54:54,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:54,203 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:54:54,203 INFO L226 Difference]: Without dead ends: 210 [2018-07-23 13:54:54,204 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:54:54,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-07-23 13:54:54,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2018-07-23 13:54:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-07-23 13:54:54,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 210 transitions. [2018-07-23 13:54:54,209 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 210 transitions. Word has length 207 [2018-07-23 13:54:54,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:54,210 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 210 transitions. [2018-07-23 13:54:54,210 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:54:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 210 transitions. [2018-07-23 13:54:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-07-23 13:54:54,211 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:54,211 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 1, 1] [2018-07-23 13:54:54,211 INFO L414 AbstractCegarLoop]: === Iteration 104 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:54,212 INFO L82 PathProgramCache]: Analyzing trace with hash -790423314, now seen corresponding path program 103 times [2018-07-23 13:54:54,212 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:54,608 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:54,608 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:54:54,608 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:54,608 INFO L185 omatonBuilderFactory]: Interpolants [50276#true, 50277#false, 50278#(<= (+ main_offset 40000) main_length), 50279#(<= (+ main_offset 39996) main_length), 50280#(<= (+ main_offset 39992) main_length), 50281#(<= (+ main_offset 39988) main_length), 50282#(<= (+ main_offset 39984) main_length), 50283#(<= (+ main_offset 39980) main_length), 50284#(<= (+ main_offset 39976) main_length), 50285#(<= (+ main_offset 39972) main_length), 50286#(<= (+ main_offset 39968) main_length), 50287#(<= (+ main_offset 39964) main_length), 50288#(<= (+ main_offset 39960) main_length), 50289#(<= (+ main_offset 39956) main_length), 50290#(<= (+ main_offset 39952) main_length), 50291#(<= (+ main_offset 39948) main_length), 50292#(<= (+ main_offset 39944) main_length), 50293#(<= (+ main_offset 39940) main_length), 50294#(<= (+ main_offset 39936) main_length), 50295#(<= (+ main_offset 39932) main_length), 50296#(<= (+ main_offset 39928) main_length), 50297#(<= (+ main_offset 39924) main_length), 50298#(<= (+ main_offset 39920) main_length), 50299#(<= (+ main_offset 39916) main_length), 50300#(<= (+ main_offset 39912) main_length), 50301#(<= (+ main_offset 39908) main_length), 50302#(<= (+ main_offset 39904) main_length), 50303#(<= (+ main_offset 39900) main_length), 50304#(<= (+ main_offset 39896) main_length), 50305#(<= (+ main_offset 39892) main_length), 50306#(<= (+ main_offset 39888) main_length), 50307#(<= (+ main_offset 39884) main_length), 50308#(<= (+ main_offset 39880) main_length), 50309#(<= (+ main_offset 39876) main_length), 50310#(<= (+ main_offset 39872) main_length), 50311#(<= (+ main_offset 39868) main_length), 50312#(<= (+ main_offset 39864) main_length), 50313#(<= (+ main_offset 39860) main_length), 50314#(<= (+ main_offset 39856) main_length), 50315#(<= (+ main_offset 39852) main_length), 50316#(<= (+ main_offset 39848) main_length), 50317#(<= (+ main_offset 39844) main_length), 50318#(<= (+ main_offset 39840) main_length), 50319#(<= (+ main_offset 39836) main_length), 50320#(<= (+ main_offset 39832) main_length), 50321#(<= (+ main_offset 39828) main_length), 50322#(<= (+ main_offset 39824) main_length), 50323#(<= (+ main_offset 39820) main_length), 50324#(<= (+ main_offset 39816) main_length), 50325#(<= (+ main_offset 39812) main_length), 50326#(<= (+ main_offset 39808) main_length), 50327#(<= (+ main_offset 39804) main_length), 50328#(<= (+ main_offset 39800) main_length), 50329#(<= (+ main_offset 39796) main_length), 50330#(<= (+ main_offset 39792) main_length), 50331#(<= (+ main_offset 39788) main_length), 50332#(<= (+ main_offset 39784) main_length), 50333#(<= (+ main_offset 39780) main_length), 50334#(<= (+ main_offset 39776) main_length), 50335#(<= (+ main_offset 39772) main_length), 50336#(<= (+ main_offset 39768) main_length), 50337#(<= (+ main_offset 39764) main_length), 50338#(<= (+ main_offset 39760) main_length), 50339#(<= (+ main_offset 39756) main_length), 50340#(<= (+ main_offset 39752) main_length), 50341#(<= (+ main_offset 39748) main_length), 50342#(<= (+ main_offset 39744) main_length), 50343#(<= (+ main_offset 39740) main_length), 50344#(<= (+ main_offset 39736) main_length), 50345#(<= (+ main_offset 39732) main_length), 50346#(<= (+ main_offset 39728) main_length), 50347#(<= (+ main_offset 39724) main_length), 50348#(<= (+ main_offset 39720) main_length), 50349#(<= (+ main_offset 39716) main_length), 50350#(<= (+ main_offset 39712) main_length), 50351#(<= (+ main_offset 39708) main_length), 50352#(<= (+ main_offset 39704) main_length), 50353#(<= (+ main_offset 39700) main_length), 50354#(<= (+ main_offset 39696) main_length), 50355#(<= (+ main_offset 39692) main_length), 50356#(<= (+ main_offset 39688) main_length), 50357#(<= (+ main_offset 39684) main_length), 50358#(<= (+ main_offset 39680) main_length), 50359#(<= (+ main_offset 39676) main_length), 50360#(<= (+ main_offset 39672) main_length), 50361#(<= (+ main_offset 39668) main_length), 50362#(<= (+ main_offset 39664) main_length), 50363#(<= (+ main_offset 39660) main_length), 50364#(<= (+ main_offset 39656) main_length), 50365#(<= (+ main_offset 39652) main_length), 50366#(<= (+ main_offset 39648) main_length), 50367#(<= (+ main_offset 39644) main_length), 50368#(<= (+ main_offset 39640) main_length), 50369#(<= (+ main_offset 39636) main_length), 50370#(<= (+ main_offset 39632) main_length), 50371#(<= (+ main_offset 39628) main_length), 50372#(<= (+ main_offset 39624) main_length), 50373#(<= (+ main_offset 39620) main_length), 50374#(<= (+ main_offset 39616) main_length), 50375#(<= (+ main_offset 39612) main_length), 50376#(<= (+ main_offset 39608) main_length), 50377#(<= (+ main_offset 39604) main_length), 50378#(<= (+ main_offset 39600) main_length), 50379#(<= (+ main_offset 39596) main_length), 50380#(<= (+ main_offset 39592) main_length), 50381#(<= (+ main_offset 39588) main_length)] [2018-07-23 13:54:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:54,609 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:54:54,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:54:54,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:54:54,611 INFO L87 Difference]: Start difference. First operand 210 states and 210 transitions. Second operand 106 states. [2018-07-23 13:54:54,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:54,775 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:54:54,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:54:54,775 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 209 [2018-07-23 13:54:54,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:54,776 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:54:54,776 INFO L226 Difference]: Without dead ends: 212 [2018-07-23 13:54:54,777 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:54:54,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-07-23 13:54:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-07-23 13:54:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-07-23 13:54:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 212 transitions. [2018-07-23 13:54:54,782 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 212 transitions. Word has length 209 [2018-07-23 13:54:54,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:54,783 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 212 transitions. [2018-07-23 13:54:54,783 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:54:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 212 transitions. [2018-07-23 13:54:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-07-23 13:54:54,784 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:54,784 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 1, 1] [2018-07-23 13:54:54,784 INFO L414 AbstractCegarLoop]: === Iteration 105 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:54,784 INFO L82 PathProgramCache]: Analyzing trace with hash 612407728, now seen corresponding path program 104 times [2018-07-23 13:54:54,784 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:55,237 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:55,237 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:54:55,237 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:55,238 INFO L185 omatonBuilderFactory]: Interpolants [51232#true, 51233#false, 51234#(<= (+ main_offset 40000) main_length), 51235#(<= (+ main_offset 39996) main_length), 51236#(<= (+ main_offset 39992) main_length), 51237#(<= (+ main_offset 39988) main_length), 51238#(<= (+ main_offset 39984) main_length), 51239#(<= (+ main_offset 39980) main_length), 51240#(<= (+ main_offset 39976) main_length), 51241#(<= (+ main_offset 39972) main_length), 51242#(<= (+ main_offset 39968) main_length), 51243#(<= (+ main_offset 39964) main_length), 51244#(<= (+ main_offset 39960) main_length), 51245#(<= (+ main_offset 39956) main_length), 51246#(<= (+ main_offset 39952) main_length), 51247#(<= (+ main_offset 39948) main_length), 51248#(<= (+ main_offset 39944) main_length), 51249#(<= (+ main_offset 39940) main_length), 51250#(<= (+ main_offset 39936) main_length), 51251#(<= (+ main_offset 39932) main_length), 51252#(<= (+ main_offset 39928) main_length), 51253#(<= (+ main_offset 39924) main_length), 51254#(<= (+ main_offset 39920) main_length), 51255#(<= (+ main_offset 39916) main_length), 51256#(<= (+ main_offset 39912) main_length), 51257#(<= (+ main_offset 39908) main_length), 51258#(<= (+ main_offset 39904) main_length), 51259#(<= (+ main_offset 39900) main_length), 51260#(<= (+ main_offset 39896) main_length), 51261#(<= (+ main_offset 39892) main_length), 51262#(<= (+ main_offset 39888) main_length), 51263#(<= (+ main_offset 39884) main_length), 51264#(<= (+ main_offset 39880) main_length), 51265#(<= (+ main_offset 39876) main_length), 51266#(<= (+ main_offset 39872) main_length), 51267#(<= (+ main_offset 39868) main_length), 51268#(<= (+ main_offset 39864) main_length), 51269#(<= (+ main_offset 39860) main_length), 51270#(<= (+ main_offset 39856) main_length), 51271#(<= (+ main_offset 39852) main_length), 51272#(<= (+ main_offset 39848) main_length), 51273#(<= (+ main_offset 39844) main_length), 51274#(<= (+ main_offset 39840) main_length), 51275#(<= (+ main_offset 39836) main_length), 51276#(<= (+ main_offset 39832) main_length), 51277#(<= (+ main_offset 39828) main_length), 51278#(<= (+ main_offset 39824) main_length), 51279#(<= (+ main_offset 39820) main_length), 51280#(<= (+ main_offset 39816) main_length), 51281#(<= (+ main_offset 39812) main_length), 51282#(<= (+ main_offset 39808) main_length), 51283#(<= (+ main_offset 39804) main_length), 51284#(<= (+ main_offset 39800) main_length), 51285#(<= (+ main_offset 39796) main_length), 51286#(<= (+ main_offset 39792) main_length), 51287#(<= (+ main_offset 39788) main_length), 51288#(<= (+ main_offset 39784) main_length), 51289#(<= (+ main_offset 39780) main_length), 51290#(<= (+ main_offset 39776) main_length), 51291#(<= (+ main_offset 39772) main_length), 51292#(<= (+ main_offset 39768) main_length), 51293#(<= (+ main_offset 39764) main_length), 51294#(<= (+ main_offset 39760) main_length), 51295#(<= (+ main_offset 39756) main_length), 51296#(<= (+ main_offset 39752) main_length), 51297#(<= (+ main_offset 39748) main_length), 51298#(<= (+ main_offset 39744) main_length), 51299#(<= (+ main_offset 39740) main_length), 51300#(<= (+ main_offset 39736) main_length), 51301#(<= (+ main_offset 39732) main_length), 51302#(<= (+ main_offset 39728) main_length), 51303#(<= (+ main_offset 39724) main_length), 51304#(<= (+ main_offset 39720) main_length), 51305#(<= (+ main_offset 39716) main_length), 51306#(<= (+ main_offset 39712) main_length), 51307#(<= (+ main_offset 39708) main_length), 51308#(<= (+ main_offset 39704) main_length), 51309#(<= (+ main_offset 39700) main_length), 51310#(<= (+ main_offset 39696) main_length), 51311#(<= (+ main_offset 39692) main_length), 51312#(<= (+ main_offset 39688) main_length), 51313#(<= (+ main_offset 39684) main_length), 51314#(<= (+ main_offset 39680) main_length), 51315#(<= (+ main_offset 39676) main_length), 51316#(<= (+ main_offset 39672) main_length), 51317#(<= (+ main_offset 39668) main_length), 51318#(<= (+ main_offset 39664) main_length), 51319#(<= (+ main_offset 39660) main_length), 51320#(<= (+ main_offset 39656) main_length), 51321#(<= (+ main_offset 39652) main_length), 51322#(<= (+ main_offset 39648) main_length), 51323#(<= (+ main_offset 39644) main_length), 51324#(<= (+ main_offset 39640) main_length), 51325#(<= (+ main_offset 39636) main_length), 51326#(<= (+ main_offset 39632) main_length), 51327#(<= (+ main_offset 39628) main_length), 51328#(<= (+ main_offset 39624) main_length), 51329#(<= (+ main_offset 39620) main_length), 51330#(<= (+ main_offset 39616) main_length), 51331#(<= (+ main_offset 39612) main_length), 51332#(<= (+ main_offset 39608) main_length), 51333#(<= (+ main_offset 39604) main_length), 51334#(<= (+ main_offset 39600) main_length), 51335#(<= (+ main_offset 39596) main_length), 51336#(<= (+ main_offset 39592) main_length), 51337#(<= (+ main_offset 39588) main_length), 51338#(<= (+ main_offset 39584) main_length)] [2018-07-23 13:54:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:55,238 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:54:55,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:54:55,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:54:55,239 INFO L87 Difference]: Start difference. First operand 212 states and 212 transitions. Second operand 107 states. [2018-07-23 13:54:55,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:55,440 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:54:55,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:54:55,441 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 211 [2018-07-23 13:54:55,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:55,441 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:54:55,442 INFO L226 Difference]: Without dead ends: 214 [2018-07-23 13:54:55,442 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:54:55,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-07-23 13:54:55,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-07-23 13:54:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-07-23 13:54:55,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2018-07-23 13:54:55,447 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 211 [2018-07-23 13:54:55,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:55,447 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2018-07-23 13:54:55,447 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:54:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2018-07-23 13:54:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-07-23 13:54:55,449 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:55,449 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 1, 1] [2018-07-23 13:54:55,449 INFO L414 AbstractCegarLoop]: === Iteration 106 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:55,449 INFO L82 PathProgramCache]: Analyzing trace with hash 113308146, now seen corresponding path program 105 times [2018-07-23 13:54:55,449 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:55,896 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:55,896 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:54:55,896 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:55,896 INFO L185 omatonBuilderFactory]: Interpolants [52224#(<= (+ main_offset 39900) main_length), 52225#(<= (+ main_offset 39896) main_length), 52226#(<= (+ main_offset 39892) main_length), 52227#(<= (+ main_offset 39888) main_length), 52228#(<= (+ main_offset 39884) main_length), 52229#(<= (+ main_offset 39880) main_length), 52230#(<= (+ main_offset 39876) main_length), 52231#(<= (+ main_offset 39872) main_length), 52232#(<= (+ main_offset 39868) main_length), 52233#(<= (+ main_offset 39864) main_length), 52234#(<= (+ main_offset 39860) main_length), 52235#(<= (+ main_offset 39856) main_length), 52236#(<= (+ main_offset 39852) main_length), 52237#(<= (+ main_offset 39848) main_length), 52238#(<= (+ main_offset 39844) main_length), 52239#(<= (+ main_offset 39840) main_length), 52240#(<= (+ main_offset 39836) main_length), 52241#(<= (+ main_offset 39832) main_length), 52242#(<= (+ main_offset 39828) main_length), 52243#(<= (+ main_offset 39824) main_length), 52244#(<= (+ main_offset 39820) main_length), 52245#(<= (+ main_offset 39816) main_length), 52246#(<= (+ main_offset 39812) main_length), 52247#(<= (+ main_offset 39808) main_length), 52248#(<= (+ main_offset 39804) main_length), 52249#(<= (+ main_offset 39800) main_length), 52250#(<= (+ main_offset 39796) main_length), 52251#(<= (+ main_offset 39792) main_length), 52252#(<= (+ main_offset 39788) main_length), 52253#(<= (+ main_offset 39784) main_length), 52254#(<= (+ main_offset 39780) main_length), 52255#(<= (+ main_offset 39776) main_length), 52256#(<= (+ main_offset 39772) main_length), 52257#(<= (+ main_offset 39768) main_length), 52258#(<= (+ main_offset 39764) main_length), 52259#(<= (+ main_offset 39760) main_length), 52260#(<= (+ main_offset 39756) main_length), 52261#(<= (+ main_offset 39752) main_length), 52262#(<= (+ main_offset 39748) main_length), 52263#(<= (+ main_offset 39744) main_length), 52264#(<= (+ main_offset 39740) main_length), 52265#(<= (+ main_offset 39736) main_length), 52266#(<= (+ main_offset 39732) main_length), 52267#(<= (+ main_offset 39728) main_length), 52268#(<= (+ main_offset 39724) main_length), 52269#(<= (+ main_offset 39720) main_length), 52270#(<= (+ main_offset 39716) main_length), 52271#(<= (+ main_offset 39712) main_length), 52272#(<= (+ main_offset 39708) main_length), 52273#(<= (+ main_offset 39704) main_length), 52274#(<= (+ main_offset 39700) main_length), 52275#(<= (+ main_offset 39696) main_length), 52276#(<= (+ main_offset 39692) main_length), 52277#(<= (+ main_offset 39688) main_length), 52278#(<= (+ main_offset 39684) main_length), 52279#(<= (+ main_offset 39680) main_length), 52280#(<= (+ main_offset 39676) main_length), 52281#(<= (+ main_offset 39672) main_length), 52282#(<= (+ main_offset 39668) main_length), 52283#(<= (+ main_offset 39664) main_length), 52284#(<= (+ main_offset 39660) main_length), 52285#(<= (+ main_offset 39656) main_length), 52286#(<= (+ main_offset 39652) main_length), 52287#(<= (+ main_offset 39648) main_length), 52288#(<= (+ main_offset 39644) main_length), 52289#(<= (+ main_offset 39640) main_length), 52290#(<= (+ main_offset 39636) main_length), 52291#(<= (+ main_offset 39632) main_length), 52292#(<= (+ main_offset 39628) main_length), 52293#(<= (+ main_offset 39624) main_length), 52294#(<= (+ main_offset 39620) main_length), 52295#(<= (+ main_offset 39616) main_length), 52296#(<= (+ main_offset 39612) main_length), 52297#(<= (+ main_offset 39608) main_length), 52298#(<= (+ main_offset 39604) main_length), 52299#(<= (+ main_offset 39600) main_length), 52300#(<= (+ main_offset 39596) main_length), 52301#(<= (+ main_offset 39592) main_length), 52302#(<= (+ main_offset 39588) main_length), 52303#(<= (+ main_offset 39584) main_length), 52304#(<= (+ main_offset 39580) main_length), 52197#true, 52198#false, 52199#(<= (+ main_offset 40000) main_length), 52200#(<= (+ main_offset 39996) main_length), 52201#(<= (+ main_offset 39992) main_length), 52202#(<= (+ main_offset 39988) main_length), 52203#(<= (+ main_offset 39984) main_length), 52204#(<= (+ main_offset 39980) main_length), 52205#(<= (+ main_offset 39976) main_length), 52206#(<= (+ main_offset 39972) main_length), 52207#(<= (+ main_offset 39968) main_length), 52208#(<= (+ main_offset 39964) main_length), 52209#(<= (+ main_offset 39960) main_length), 52210#(<= (+ main_offset 39956) main_length), 52211#(<= (+ main_offset 39952) main_length), 52212#(<= (+ main_offset 39948) main_length), 52213#(<= (+ main_offset 39944) main_length), 52214#(<= (+ main_offset 39940) main_length), 52215#(<= (+ main_offset 39936) main_length), 52216#(<= (+ main_offset 39932) main_length), 52217#(<= (+ main_offset 39928) main_length), 52218#(<= (+ main_offset 39924) main_length), 52219#(<= (+ main_offset 39920) main_length), 52220#(<= (+ main_offset 39916) main_length), 52221#(<= (+ main_offset 39912) main_length), 52222#(<= (+ main_offset 39908) main_length), 52223#(<= (+ main_offset 39904) main_length)] [2018-07-23 13:54:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:55,897 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:54:55,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:54:55,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:54:55,899 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand 108 states. [2018-07-23 13:54:56,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:56,044 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:54:56,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:54:56,045 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 213 [2018-07-23 13:54:56,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:56,045 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:54:56,045 INFO L226 Difference]: Without dead ends: 216 [2018-07-23 13:54:56,046 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:54:56,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-07-23 13:54:56,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-07-23 13:54:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-07-23 13:54:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 216 transitions. [2018-07-23 13:54:56,051 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 216 transitions. Word has length 213 [2018-07-23 13:54:56,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:56,051 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 216 transitions. [2018-07-23 13:54:56,051 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:54:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 216 transitions. [2018-07-23 13:54:56,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-07-23 13:54:56,053 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:56,053 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 1, 1] [2018-07-23 13:54:56,053 INFO L414 AbstractCegarLoop]: === Iteration 107 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:56,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1514946996, now seen corresponding path program 106 times [2018-07-23 13:54:56,053 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:56,466 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:56,466 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:54:56,467 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:56,467 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 13:54:56,467 INFO L185 omatonBuilderFactory]: Interpolants [53248#(<= (+ main_offset 39700) main_length), 53249#(<= (+ main_offset 39696) main_length), 53250#(<= (+ main_offset 39692) main_length), 53251#(<= (+ main_offset 39688) main_length), 53252#(<= (+ main_offset 39684) main_length), 53253#(<= (+ main_offset 39680) main_length), 53254#(<= (+ main_offset 39676) main_length), 53255#(<= (+ main_offset 39672) main_length), 53256#(<= (+ main_offset 39668) main_length), 53257#(<= (+ main_offset 39664) main_length), 53258#(<= (+ main_offset 39660) main_length), 53259#(<= (+ main_offset 39656) main_length), 53260#(<= (+ main_offset 39652) main_length), 53261#(<= (+ main_offset 39648) main_length), 53262#(<= (+ main_offset 39644) main_length), 53263#(<= (+ main_offset 39640) main_length), 53264#(<= (+ main_offset 39636) main_length), 53265#(<= (+ main_offset 39632) main_length), 53266#(<= (+ main_offset 39628) main_length), 53267#(<= (+ main_offset 39624) main_length), 53268#(<= (+ main_offset 39620) main_length), 53269#(<= (+ main_offset 39616) main_length), 53270#(<= (+ main_offset 39612) main_length), 53271#(<= (+ main_offset 39608) main_length), 53272#(<= (+ main_offset 39604) main_length), 53273#(<= (+ main_offset 39600) main_length), 53274#(<= (+ main_offset 39596) main_length), 53275#(<= (+ main_offset 39592) main_length), 53276#(<= (+ main_offset 39588) main_length), 53277#(<= (+ main_offset 39584) main_length), 53278#(<= (+ main_offset 39580) main_length), 53279#(<= (+ main_offset 39576) main_length), 53171#true, 53172#false, 53173#(<= (+ main_offset 40000) main_length), 53174#(<= (+ main_offset 39996) main_length), 53175#(<= (+ main_offset 39992) main_length), 53176#(<= (+ main_offset 39988) main_length), 53177#(<= (+ main_offset 39984) main_length), 53178#(<= (+ main_offset 39980) main_length), 53179#(<= (+ main_offset 39976) main_length), 53180#(<= (+ main_offset 39972) main_length), 53181#(<= (+ main_offset 39968) main_length), 53182#(<= (+ main_offset 39964) main_length), 53183#(<= (+ main_offset 39960) main_length), 53184#(<= (+ main_offset 39956) main_length), 53185#(<= (+ main_offset 39952) main_length), 53186#(<= (+ main_offset 39948) main_length), 53187#(<= (+ main_offset 39944) main_length), 53188#(<= (+ main_offset 39940) main_length), 53189#(<= (+ main_offset 39936) main_length), 53190#(<= (+ main_offset 39932) main_length), 53191#(<= (+ main_offset 39928) main_length), 53192#(<= (+ main_offset 39924) main_length), 53193#(<= (+ main_offset 39920) main_length), 53194#(<= (+ main_offset 39916) main_length), 53195#(<= (+ main_offset 39912) main_length), 53196#(<= (+ main_offset 39908) main_length), 53197#(<= (+ main_offset 39904) main_length), 53198#(<= (+ main_offset 39900) main_length), 53199#(<= (+ main_offset 39896) main_length), 53200#(<= (+ main_offset 39892) main_length), 53201#(<= (+ main_offset 39888) main_length), 53202#(<= (+ main_offset 39884) main_length), 53203#(<= (+ main_offset 39880) main_length), 53204#(<= (+ main_offset 39876) main_length), 53205#(<= (+ main_offset 39872) main_length), 53206#(<= (+ main_offset 39868) main_length), 53207#(<= (+ main_offset 39864) main_length), 53208#(<= (+ main_offset 39860) main_length), 53209#(<= (+ main_offset 39856) main_length), 53210#(<= (+ main_offset 39852) main_length), 53211#(<= (+ main_offset 39848) main_length), 53212#(<= (+ main_offset 39844) main_length), 53213#(<= (+ main_offset 39840) main_length), 53214#(<= (+ main_offset 39836) main_length), 53215#(<= (+ main_offset 39832) main_length), 53216#(<= (+ main_offset 39828) main_length), 53217#(<= (+ main_offset 39824) main_length), 53218#(<= (+ main_offset 39820) main_length), 53219#(<= (+ main_offset 39816) main_length), 53220#(<= (+ main_offset 39812) main_length), 53221#(<= (+ main_offset 39808) main_length), 53222#(<= (+ main_offset 39804) main_length), 53223#(<= (+ main_offset 39800) main_length), 53224#(<= (+ main_offset 39796) main_length), 53225#(<= (+ main_offset 39792) main_length), 53226#(<= (+ main_offset 39788) main_length), 53227#(<= (+ main_offset 39784) main_length), 53228#(<= (+ main_offset 39780) main_length), 53229#(<= (+ main_offset 39776) main_length), 53230#(<= (+ main_offset 39772) main_length), 53231#(<= (+ main_offset 39768) main_length), 53232#(<= (+ main_offset 39764) main_length), 53233#(<= (+ main_offset 39760) main_length), 53234#(<= (+ main_offset 39756) main_length), 53235#(<= (+ main_offset 39752) main_length), 53236#(<= (+ main_offset 39748) main_length), 53237#(<= (+ main_offset 39744) main_length), 53238#(<= (+ main_offset 39740) main_length), 53239#(<= (+ main_offset 39736) main_length), 53240#(<= (+ main_offset 39732) main_length), 53241#(<= (+ main_offset 39728) main_length), 53242#(<= (+ main_offset 39724) main_length), 53243#(<= (+ main_offset 39720) main_length), 53244#(<= (+ main_offset 39716) main_length), 53245#(<= (+ main_offset 39712) main_length), 53246#(<= (+ main_offset 39708) main_length), 53247#(<= (+ main_offset 39704) main_length)] [2018-07-23 13:54:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:56,468 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:54:56,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:54:56,469 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:54:56,469 INFO L87 Difference]: Start difference. First operand 216 states and 216 transitions. Second operand 109 states. [2018-07-23 13:54:56,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:56,563 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:54:56,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:54:56,564 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 215 [2018-07-23 13:54:56,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:56,564 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:54:56,564 INFO L226 Difference]: Without dead ends: 218 [2018-07-23 13:54:56,565 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:54:56,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-07-23 13:54:56,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-07-23 13:54:56,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-07-23 13:54:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 218 transitions. [2018-07-23 13:54:56,569 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 218 transitions. Word has length 215 [2018-07-23 13:54:56,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:56,569 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 218 transitions. [2018-07-23 13:54:56,569 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:54:56,569 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 218 transitions. [2018-07-23 13:54:56,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-07-23 13:54:56,570 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:56,570 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 1, 1] [2018-07-23 13:54:56,570 INFO L414 AbstractCegarLoop]: === Iteration 108 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:56,570 INFO L82 PathProgramCache]: Analyzing trace with hash -129849098, now seen corresponding path program 107 times [2018-07-23 13:54:56,570 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:57,076 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:57,076 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:54:57,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:57,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:57,077 INFO L185 omatonBuilderFactory]: Interpolants [54154#true, 54155#false, 54156#(<= (+ main_offset 40000) main_length), 54157#(<= (+ main_offset 39996) main_length), 54158#(<= (+ main_offset 39992) main_length), 54159#(<= (+ main_offset 39988) main_length), 54160#(<= (+ main_offset 39984) main_length), 54161#(<= (+ main_offset 39980) main_length), 54162#(<= (+ main_offset 39976) main_length), 54163#(<= (+ main_offset 39972) main_length), 54164#(<= (+ main_offset 39968) main_length), 54165#(<= (+ main_offset 39964) main_length), 54166#(<= (+ main_offset 39960) main_length), 54167#(<= (+ main_offset 39956) main_length), 54168#(<= (+ main_offset 39952) main_length), 54169#(<= (+ main_offset 39948) main_length), 54170#(<= (+ main_offset 39944) main_length), 54171#(<= (+ main_offset 39940) main_length), 54172#(<= (+ main_offset 39936) main_length), 54173#(<= (+ main_offset 39932) main_length), 54174#(<= (+ main_offset 39928) main_length), 54175#(<= (+ main_offset 39924) main_length), 54176#(<= (+ main_offset 39920) main_length), 54177#(<= (+ main_offset 39916) main_length), 54178#(<= (+ main_offset 39912) main_length), 54179#(<= (+ main_offset 39908) main_length), 54180#(<= (+ main_offset 39904) main_length), 54181#(<= (+ main_offset 39900) main_length), 54182#(<= (+ main_offset 39896) main_length), 54183#(<= (+ main_offset 39892) main_length), 54184#(<= (+ main_offset 39888) main_length), 54185#(<= (+ main_offset 39884) main_length), 54186#(<= (+ main_offset 39880) main_length), 54187#(<= (+ main_offset 39876) main_length), 54188#(<= (+ main_offset 39872) main_length), 54189#(<= (+ main_offset 39868) main_length), 54190#(<= (+ main_offset 39864) main_length), 54191#(<= (+ main_offset 39860) main_length), 54192#(<= (+ main_offset 39856) main_length), 54193#(<= (+ main_offset 39852) main_length), 54194#(<= (+ main_offset 39848) main_length), 54195#(<= (+ main_offset 39844) main_length), 54196#(<= (+ main_offset 39840) main_length), 54197#(<= (+ main_offset 39836) main_length), 54198#(<= (+ main_offset 39832) main_length), 54199#(<= (+ main_offset 39828) main_length), 54200#(<= (+ main_offset 39824) main_length), 54201#(<= (+ main_offset 39820) main_length), 54202#(<= (+ main_offset 39816) main_length), 54203#(<= (+ main_offset 39812) main_length), 54204#(<= (+ main_offset 39808) main_length), 54205#(<= (+ main_offset 39804) main_length), 54206#(<= (+ main_offset 39800) main_length), 54207#(<= (+ main_offset 39796) main_length), 54208#(<= (+ main_offset 39792) main_length), 54209#(<= (+ main_offset 39788) main_length), 54210#(<= (+ main_offset 39784) main_length), 54211#(<= (+ main_offset 39780) main_length), 54212#(<= (+ main_offset 39776) main_length), 54213#(<= (+ main_offset 39772) main_length), 54214#(<= (+ main_offset 39768) main_length), 54215#(<= (+ main_offset 39764) main_length), 54216#(<= (+ main_offset 39760) main_length), 54217#(<= (+ main_offset 39756) main_length), 54218#(<= (+ main_offset 39752) main_length), 54219#(<= (+ main_offset 39748) main_length), 54220#(<= (+ main_offset 39744) main_length), 54221#(<= (+ main_offset 39740) main_length), 54222#(<= (+ main_offset 39736) main_length), 54223#(<= (+ main_offset 39732) main_length), 54224#(<= (+ main_offset 39728) main_length), 54225#(<= (+ main_offset 39724) main_length), 54226#(<= (+ main_offset 39720) main_length), 54227#(<= (+ main_offset 39716) main_length), 54228#(<= (+ main_offset 39712) main_length), 54229#(<= (+ main_offset 39708) main_length), 54230#(<= (+ main_offset 39704) main_length), 54231#(<= (+ main_offset 39700) main_length), 54232#(<= (+ main_offset 39696) main_length), 54233#(<= (+ main_offset 39692) main_length), 54234#(<= (+ main_offset 39688) main_length), 54235#(<= (+ main_offset 39684) main_length), 54236#(<= (+ main_offset 39680) main_length), 54237#(<= (+ main_offset 39676) main_length), 54238#(<= (+ main_offset 39672) main_length), 54239#(<= (+ main_offset 39668) main_length), 54240#(<= (+ main_offset 39664) main_length), 54241#(<= (+ main_offset 39660) main_length), 54242#(<= (+ main_offset 39656) main_length), 54243#(<= (+ main_offset 39652) main_length), 54244#(<= (+ main_offset 39648) main_length), 54245#(<= (+ main_offset 39644) main_length), 54246#(<= (+ main_offset 39640) main_length), 54247#(<= (+ main_offset 39636) main_length), 54248#(<= (+ main_offset 39632) main_length), 54249#(<= (+ main_offset 39628) main_length), 54250#(<= (+ main_offset 39624) main_length), 54251#(<= (+ main_offset 39620) main_length), 54252#(<= (+ main_offset 39616) main_length), 54253#(<= (+ main_offset 39612) main_length), 54254#(<= (+ main_offset 39608) main_length), 54255#(<= (+ main_offset 39604) main_length), 54256#(<= (+ main_offset 39600) main_length), 54257#(<= (+ main_offset 39596) main_length), 54258#(<= (+ main_offset 39592) main_length), 54259#(<= (+ main_offset 39588) main_length), 54260#(<= (+ main_offset 39584) main_length), 54261#(<= (+ main_offset 39580) main_length), 54262#(<= (+ main_offset 39576) main_length), 54263#(<= (+ main_offset 39572) main_length)] [2018-07-23 13:54:57,077 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:57,078 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:54:57,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:54:57,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:54:57,079 INFO L87 Difference]: Start difference. First operand 218 states and 218 transitions. Second operand 110 states. [2018-07-23 13:54:57,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:57,317 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:54:57,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:54:57,317 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 217 [2018-07-23 13:54:57,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:57,317 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:54:57,317 INFO L226 Difference]: Without dead ends: 220 [2018-07-23 13:54:57,318 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:54:57,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-07-23 13:54:57,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2018-07-23 13:54:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-07-23 13:54:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 220 transitions. [2018-07-23 13:54:57,321 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 220 transitions. Word has length 217 [2018-07-23 13:54:57,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:57,322 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 220 transitions. [2018-07-23 13:54:57,322 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:54:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 220 transitions. [2018-07-23 13:54:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-07-23 13:54:57,323 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:57,323 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 1, 1] [2018-07-23 13:54:57,323 INFO L414 AbstractCegarLoop]: === Iteration 109 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:57,323 INFO L82 PathProgramCache]: Analyzing trace with hash -230930504, now seen corresponding path program 108 times [2018-07-23 13:54:57,323 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:57,771 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:57,771 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:54:57,771 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:57,772 INFO L185 omatonBuilderFactory]: Interpolants [55146#true, 55147#false, 55148#(<= (+ main_offset 40000) main_length), 55149#(<= (+ main_offset 39996) main_length), 55150#(<= (+ main_offset 39992) main_length), 55151#(<= (+ main_offset 39988) main_length), 55152#(<= (+ main_offset 39984) main_length), 55153#(<= (+ main_offset 39980) main_length), 55154#(<= (+ main_offset 39976) main_length), 55155#(<= (+ main_offset 39972) main_length), 55156#(<= (+ main_offset 39968) main_length), 55157#(<= (+ main_offset 39964) main_length), 55158#(<= (+ main_offset 39960) main_length), 55159#(<= (+ main_offset 39956) main_length), 55160#(<= (+ main_offset 39952) main_length), 55161#(<= (+ main_offset 39948) main_length), 55162#(<= (+ main_offset 39944) main_length), 55163#(<= (+ main_offset 39940) main_length), 55164#(<= (+ main_offset 39936) main_length), 55165#(<= (+ main_offset 39932) main_length), 55166#(<= (+ main_offset 39928) main_length), 55167#(<= (+ main_offset 39924) main_length), 55168#(<= (+ main_offset 39920) main_length), 55169#(<= (+ main_offset 39916) main_length), 55170#(<= (+ main_offset 39912) main_length), 55171#(<= (+ main_offset 39908) main_length), 55172#(<= (+ main_offset 39904) main_length), 55173#(<= (+ main_offset 39900) main_length), 55174#(<= (+ main_offset 39896) main_length), 55175#(<= (+ main_offset 39892) main_length), 55176#(<= (+ main_offset 39888) main_length), 55177#(<= (+ main_offset 39884) main_length), 55178#(<= (+ main_offset 39880) main_length), 55179#(<= (+ main_offset 39876) main_length), 55180#(<= (+ main_offset 39872) main_length), 55181#(<= (+ main_offset 39868) main_length), 55182#(<= (+ main_offset 39864) main_length), 55183#(<= (+ main_offset 39860) main_length), 55184#(<= (+ main_offset 39856) main_length), 55185#(<= (+ main_offset 39852) main_length), 55186#(<= (+ main_offset 39848) main_length), 55187#(<= (+ main_offset 39844) main_length), 55188#(<= (+ main_offset 39840) main_length), 55189#(<= (+ main_offset 39836) main_length), 55190#(<= (+ main_offset 39832) main_length), 55191#(<= (+ main_offset 39828) main_length), 55192#(<= (+ main_offset 39824) main_length), 55193#(<= (+ main_offset 39820) main_length), 55194#(<= (+ main_offset 39816) main_length), 55195#(<= (+ main_offset 39812) main_length), 55196#(<= (+ main_offset 39808) main_length), 55197#(<= (+ main_offset 39804) main_length), 55198#(<= (+ main_offset 39800) main_length), 55199#(<= (+ main_offset 39796) main_length), 55200#(<= (+ main_offset 39792) main_length), 55201#(<= (+ main_offset 39788) main_length), 55202#(<= (+ main_offset 39784) main_length), 55203#(<= (+ main_offset 39780) main_length), 55204#(<= (+ main_offset 39776) main_length), 55205#(<= (+ main_offset 39772) main_length), 55206#(<= (+ main_offset 39768) main_length), 55207#(<= (+ main_offset 39764) main_length), 55208#(<= (+ main_offset 39760) main_length), 55209#(<= (+ main_offset 39756) main_length), 55210#(<= (+ main_offset 39752) main_length), 55211#(<= (+ main_offset 39748) main_length), 55212#(<= (+ main_offset 39744) main_length), 55213#(<= (+ main_offset 39740) main_length), 55214#(<= (+ main_offset 39736) main_length), 55215#(<= (+ main_offset 39732) main_length), 55216#(<= (+ main_offset 39728) main_length), 55217#(<= (+ main_offset 39724) main_length), 55218#(<= (+ main_offset 39720) main_length), 55219#(<= (+ main_offset 39716) main_length), 55220#(<= (+ main_offset 39712) main_length), 55221#(<= (+ main_offset 39708) main_length), 55222#(<= (+ main_offset 39704) main_length), 55223#(<= (+ main_offset 39700) main_length), 55224#(<= (+ main_offset 39696) main_length), 55225#(<= (+ main_offset 39692) main_length), 55226#(<= (+ main_offset 39688) main_length), 55227#(<= (+ main_offset 39684) main_length), 55228#(<= (+ main_offset 39680) main_length), 55229#(<= (+ main_offset 39676) main_length), 55230#(<= (+ main_offset 39672) main_length), 55231#(<= (+ main_offset 39668) main_length), 55232#(<= (+ main_offset 39664) main_length), 55233#(<= (+ main_offset 39660) main_length), 55234#(<= (+ main_offset 39656) main_length), 55235#(<= (+ main_offset 39652) main_length), 55236#(<= (+ main_offset 39648) main_length), 55237#(<= (+ main_offset 39644) main_length), 55238#(<= (+ main_offset 39640) main_length), 55239#(<= (+ main_offset 39636) main_length), 55240#(<= (+ main_offset 39632) main_length), 55241#(<= (+ main_offset 39628) main_length), 55242#(<= (+ main_offset 39624) main_length), 55243#(<= (+ main_offset 39620) main_length), 55244#(<= (+ main_offset 39616) main_length), 55245#(<= (+ main_offset 39612) main_length), 55246#(<= (+ main_offset 39608) main_length), 55247#(<= (+ main_offset 39604) main_length), 55248#(<= (+ main_offset 39600) main_length), 55249#(<= (+ main_offset 39596) main_length), 55250#(<= (+ main_offset 39592) main_length), 55251#(<= (+ main_offset 39588) main_length), 55252#(<= (+ main_offset 39584) main_length), 55253#(<= (+ main_offset 39580) main_length), 55254#(<= (+ main_offset 39576) main_length), 55255#(<= (+ main_offset 39572) main_length), 55256#(<= (+ main_offset 39568) main_length)] [2018-07-23 13:54:57,773 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:57,773 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:54:57,775 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:54:57,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:54:57,776 INFO L87 Difference]: Start difference. First operand 220 states and 220 transitions. Second operand 111 states. [2018-07-23 13:54:57,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:57,986 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:54:57,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:54:57,986 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 219 [2018-07-23 13:54:57,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:57,987 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:54:57,987 INFO L226 Difference]: Without dead ends: 222 [2018-07-23 13:54:57,988 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:54:57,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-07-23 13:54:57,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-07-23 13:54:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-07-23 13:54:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 222 transitions. [2018-07-23 13:54:57,995 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 222 transitions. Word has length 219 [2018-07-23 13:54:57,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:57,996 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 222 transitions. [2018-07-23 13:54:57,996 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:54:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 222 transitions. [2018-07-23 13:54:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-07-23 13:54:57,997 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:57,997 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 1, 1] [2018-07-23 13:54:57,997 INFO L414 AbstractCegarLoop]: === Iteration 110 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:57,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1414086138, now seen corresponding path program 109 times [2018-07-23 13:54:57,998 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:58,527 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:58,527 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:54:58,527 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:58,528 INFO L185 omatonBuilderFactory]: Interpolants [56147#true, 56148#false, 56149#(<= (+ main_offset 40000) main_length), 56150#(<= (+ main_offset 39996) main_length), 56151#(<= (+ main_offset 39992) main_length), 56152#(<= (+ main_offset 39988) main_length), 56153#(<= (+ main_offset 39984) main_length), 56154#(<= (+ main_offset 39980) main_length), 56155#(<= (+ main_offset 39976) main_length), 56156#(<= (+ main_offset 39972) main_length), 56157#(<= (+ main_offset 39968) main_length), 56158#(<= (+ main_offset 39964) main_length), 56159#(<= (+ main_offset 39960) main_length), 56160#(<= (+ main_offset 39956) main_length), 56161#(<= (+ main_offset 39952) main_length), 56162#(<= (+ main_offset 39948) main_length), 56163#(<= (+ main_offset 39944) main_length), 56164#(<= (+ main_offset 39940) main_length), 56165#(<= (+ main_offset 39936) main_length), 56166#(<= (+ main_offset 39932) main_length), 56167#(<= (+ main_offset 39928) main_length), 56168#(<= (+ main_offset 39924) main_length), 56169#(<= (+ main_offset 39920) main_length), 56170#(<= (+ main_offset 39916) main_length), 56171#(<= (+ main_offset 39912) main_length), 56172#(<= (+ main_offset 39908) main_length), 56173#(<= (+ main_offset 39904) main_length), 56174#(<= (+ main_offset 39900) main_length), 56175#(<= (+ main_offset 39896) main_length), 56176#(<= (+ main_offset 39892) main_length), 56177#(<= (+ main_offset 39888) main_length), 56178#(<= (+ main_offset 39884) main_length), 56179#(<= (+ main_offset 39880) main_length), 56180#(<= (+ main_offset 39876) main_length), 56181#(<= (+ main_offset 39872) main_length), 56182#(<= (+ main_offset 39868) main_length), 56183#(<= (+ main_offset 39864) main_length), 56184#(<= (+ main_offset 39860) main_length), 56185#(<= (+ main_offset 39856) main_length), 56186#(<= (+ main_offset 39852) main_length), 56187#(<= (+ main_offset 39848) main_length), 56188#(<= (+ main_offset 39844) main_length), 56189#(<= (+ main_offset 39840) main_length), 56190#(<= (+ main_offset 39836) main_length), 56191#(<= (+ main_offset 39832) main_length), 56192#(<= (+ main_offset 39828) main_length), 56193#(<= (+ main_offset 39824) main_length), 56194#(<= (+ main_offset 39820) main_length), 56195#(<= (+ main_offset 39816) main_length), 56196#(<= (+ main_offset 39812) main_length), 56197#(<= (+ main_offset 39808) main_length), 56198#(<= (+ main_offset 39804) main_length), 56199#(<= (+ main_offset 39800) main_length), 56200#(<= (+ main_offset 39796) main_length), 56201#(<= (+ main_offset 39792) main_length), 56202#(<= (+ main_offset 39788) main_length), 56203#(<= (+ main_offset 39784) main_length), 56204#(<= (+ main_offset 39780) main_length), 56205#(<= (+ main_offset 39776) main_length), 56206#(<= (+ main_offset 39772) main_length), 56207#(<= (+ main_offset 39768) main_length), 56208#(<= (+ main_offset 39764) main_length), 56209#(<= (+ main_offset 39760) main_length), 56210#(<= (+ main_offset 39756) main_length), 56211#(<= (+ main_offset 39752) main_length), 56212#(<= (+ main_offset 39748) main_length), 56213#(<= (+ main_offset 39744) main_length), 56214#(<= (+ main_offset 39740) main_length), 56215#(<= (+ main_offset 39736) main_length), 56216#(<= (+ main_offset 39732) main_length), 56217#(<= (+ main_offset 39728) main_length), 56218#(<= (+ main_offset 39724) main_length), 56219#(<= (+ main_offset 39720) main_length), 56220#(<= (+ main_offset 39716) main_length), 56221#(<= (+ main_offset 39712) main_length), 56222#(<= (+ main_offset 39708) main_length), 56223#(<= (+ main_offset 39704) main_length), 56224#(<= (+ main_offset 39700) main_length), 56225#(<= (+ main_offset 39696) main_length), 56226#(<= (+ main_offset 39692) main_length), 56227#(<= (+ main_offset 39688) main_length), 56228#(<= (+ main_offset 39684) main_length), 56229#(<= (+ main_offset 39680) main_length), 56230#(<= (+ main_offset 39676) main_length), 56231#(<= (+ main_offset 39672) main_length), 56232#(<= (+ main_offset 39668) main_length), 56233#(<= (+ main_offset 39664) main_length), 56234#(<= (+ main_offset 39660) main_length), 56235#(<= (+ main_offset 39656) main_length), 56236#(<= (+ main_offset 39652) main_length), 56237#(<= (+ main_offset 39648) main_length), 56238#(<= (+ main_offset 39644) main_length), 56239#(<= (+ main_offset 39640) main_length), 56240#(<= (+ main_offset 39636) main_length), 56241#(<= (+ main_offset 39632) main_length), 56242#(<= (+ main_offset 39628) main_length), 56243#(<= (+ main_offset 39624) main_length), 56244#(<= (+ main_offset 39620) main_length), 56245#(<= (+ main_offset 39616) main_length), 56246#(<= (+ main_offset 39612) main_length), 56247#(<= (+ main_offset 39608) main_length), 56248#(<= (+ main_offset 39604) main_length), 56249#(<= (+ main_offset 39600) main_length), 56250#(<= (+ main_offset 39596) main_length), 56251#(<= (+ main_offset 39592) main_length), 56252#(<= (+ main_offset 39588) main_length), 56253#(<= (+ main_offset 39584) main_length), 56254#(<= (+ main_offset 39580) main_length), 56255#(<= (+ main_offset 39576) main_length), 56256#(<= (+ main_offset 39572) main_length), 56257#(<= (+ main_offset 39568) main_length), 56258#(<= (+ main_offset 39564) main_length)] [2018-07-23 13:54:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:58,529 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:54:58,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:54:58,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:54:58,530 INFO L87 Difference]: Start difference. First operand 222 states and 222 transitions. Second operand 112 states. [2018-07-23 13:54:58,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:58,683 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:54:58,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:54:58,684 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 221 [2018-07-23 13:54:58,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:58,684 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:54:58,685 INFO L226 Difference]: Without dead ends: 224 [2018-07-23 13:54:58,686 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:54:58,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-07-23 13:54:58,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2018-07-23 13:54:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-07-23 13:54:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 224 transitions. [2018-07-23 13:54:58,691 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 224 transitions. Word has length 221 [2018-07-23 13:54:58,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:58,691 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 224 transitions. [2018-07-23 13:54:58,691 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:54:58,691 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 224 transitions. [2018-07-23 13:54:58,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-07-23 13:54:58,692 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:58,692 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 1, 1] [2018-07-23 13:54:58,692 INFO L414 AbstractCegarLoop]: === Iteration 111 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:58,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1727114172, now seen corresponding path program 110 times [2018-07-23 13:54:58,693 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:59,137 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:59,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:54:59,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:59,138 INFO L185 omatonBuilderFactory]: Interpolants [57157#true, 57158#false, 57159#(<= (+ main_offset 40000) main_length), 57160#(<= (+ main_offset 39996) main_length), 57161#(<= (+ main_offset 39992) main_length), 57162#(<= (+ main_offset 39988) main_length), 57163#(<= (+ main_offset 39984) main_length), 57164#(<= (+ main_offset 39980) main_length), 57165#(<= (+ main_offset 39976) main_length), 57166#(<= (+ main_offset 39972) main_length), 57167#(<= (+ main_offset 39968) main_length), 57168#(<= (+ main_offset 39964) main_length), 57169#(<= (+ main_offset 39960) main_length), 57170#(<= (+ main_offset 39956) main_length), 57171#(<= (+ main_offset 39952) main_length), 57172#(<= (+ main_offset 39948) main_length), 57173#(<= (+ main_offset 39944) main_length), 57174#(<= (+ main_offset 39940) main_length), 57175#(<= (+ main_offset 39936) main_length), 57176#(<= (+ main_offset 39932) main_length), 57177#(<= (+ main_offset 39928) main_length), 57178#(<= (+ main_offset 39924) main_length), 57179#(<= (+ main_offset 39920) main_length), 57180#(<= (+ main_offset 39916) main_length), 57181#(<= (+ main_offset 39912) main_length), 57182#(<= (+ main_offset 39908) main_length), 57183#(<= (+ main_offset 39904) main_length), 57184#(<= (+ main_offset 39900) main_length), 57185#(<= (+ main_offset 39896) main_length), 57186#(<= (+ main_offset 39892) main_length), 57187#(<= (+ main_offset 39888) main_length), 57188#(<= (+ main_offset 39884) main_length), 57189#(<= (+ main_offset 39880) main_length), 57190#(<= (+ main_offset 39876) main_length), 57191#(<= (+ main_offset 39872) main_length), 57192#(<= (+ main_offset 39868) main_length), 57193#(<= (+ main_offset 39864) main_length), 57194#(<= (+ main_offset 39860) main_length), 57195#(<= (+ main_offset 39856) main_length), 57196#(<= (+ main_offset 39852) main_length), 57197#(<= (+ main_offset 39848) main_length), 57198#(<= (+ main_offset 39844) main_length), 57199#(<= (+ main_offset 39840) main_length), 57200#(<= (+ main_offset 39836) main_length), 57201#(<= (+ main_offset 39832) main_length), 57202#(<= (+ main_offset 39828) main_length), 57203#(<= (+ main_offset 39824) main_length), 57204#(<= (+ main_offset 39820) main_length), 57205#(<= (+ main_offset 39816) main_length), 57206#(<= (+ main_offset 39812) main_length), 57207#(<= (+ main_offset 39808) main_length), 57208#(<= (+ main_offset 39804) main_length), 57209#(<= (+ main_offset 39800) main_length), 57210#(<= (+ main_offset 39796) main_length), 57211#(<= (+ main_offset 39792) main_length), 57212#(<= (+ main_offset 39788) main_length), 57213#(<= (+ main_offset 39784) main_length), 57214#(<= (+ main_offset 39780) main_length), 57215#(<= (+ main_offset 39776) main_length), 57216#(<= (+ main_offset 39772) main_length), 57217#(<= (+ main_offset 39768) main_length), 57218#(<= (+ main_offset 39764) main_length), 57219#(<= (+ main_offset 39760) main_length), 57220#(<= (+ main_offset 39756) main_length), 57221#(<= (+ main_offset 39752) main_length), 57222#(<= (+ main_offset 39748) main_length), 57223#(<= (+ main_offset 39744) main_length), 57224#(<= (+ main_offset 39740) main_length), 57225#(<= (+ main_offset 39736) main_length), 57226#(<= (+ main_offset 39732) main_length), 57227#(<= (+ main_offset 39728) main_length), 57228#(<= (+ main_offset 39724) main_length), 57229#(<= (+ main_offset 39720) main_length), 57230#(<= (+ main_offset 39716) main_length), 57231#(<= (+ main_offset 39712) main_length), 57232#(<= (+ main_offset 39708) main_length), 57233#(<= (+ main_offset 39704) main_length), 57234#(<= (+ main_offset 39700) main_length), 57235#(<= (+ main_offset 39696) main_length), 57236#(<= (+ main_offset 39692) main_length), 57237#(<= (+ main_offset 39688) main_length), 57238#(<= (+ main_offset 39684) main_length), 57239#(<= (+ main_offset 39680) main_length), 57240#(<= (+ main_offset 39676) main_length), 57241#(<= (+ main_offset 39672) main_length), 57242#(<= (+ main_offset 39668) main_length), 57243#(<= (+ main_offset 39664) main_length), 57244#(<= (+ main_offset 39660) main_length), 57245#(<= (+ main_offset 39656) main_length), 57246#(<= (+ main_offset 39652) main_length), 57247#(<= (+ main_offset 39648) main_length), 57248#(<= (+ main_offset 39644) main_length), 57249#(<= (+ main_offset 39640) main_length), 57250#(<= (+ main_offset 39636) main_length), 57251#(<= (+ main_offset 39632) main_length), 57252#(<= (+ main_offset 39628) main_length), 57253#(<= (+ main_offset 39624) main_length), 57254#(<= (+ main_offset 39620) main_length), 57255#(<= (+ main_offset 39616) main_length), 57256#(<= (+ main_offset 39612) main_length), 57257#(<= (+ main_offset 39608) main_length), 57258#(<= (+ main_offset 39604) main_length), 57259#(<= (+ main_offset 39600) main_length), 57260#(<= (+ main_offset 39596) main_length), 57261#(<= (+ main_offset 39592) main_length), 57262#(<= (+ main_offset 39588) main_length), 57263#(<= (+ main_offset 39584) main_length), 57264#(<= (+ main_offset 39580) main_length), 57265#(<= (+ main_offset 39576) main_length), 57266#(<= (+ main_offset 39572) main_length), 57267#(<= (+ main_offset 39568) main_length), 57268#(<= (+ main_offset 39564) main_length), 57269#(<= (+ main_offset 39560) main_length)] [2018-07-23 13:54:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:59,139 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:54:59,139 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:54:59,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:54:59,140 INFO L87 Difference]: Start difference. First operand 224 states and 224 transitions. Second operand 113 states. [2018-07-23 13:54:59,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:59,299 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:54:59,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:54:59,299 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 223 [2018-07-23 13:54:59,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:59,299 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:54:59,299 INFO L226 Difference]: Without dead ends: 226 [2018-07-23 13:54:59,300 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:54:59,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-07-23 13:54:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-07-23 13:54:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-07-23 13:54:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 226 transitions. [2018-07-23 13:54:59,305 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 226 transitions. Word has length 223 [2018-07-23 13:54:59,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:59,305 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 226 transitions. [2018-07-23 13:54:59,305 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:54:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 226 transitions. [2018-07-23 13:54:59,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-07-23 13:54:59,306 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:59,307 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 1, 1] [2018-07-23 13:54:59,307 INFO L414 AbstractCegarLoop]: === Iteration 112 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:59,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1899344126, now seen corresponding path program 111 times [2018-07-23 13:54:59,307 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:59,752 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:59,752 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:54:59,752 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:59,752 INFO L185 omatonBuilderFactory]: Interpolants [58176#true, 58177#false, 58178#(<= (+ main_offset 40000) main_length), 58179#(<= (+ main_offset 39996) main_length), 58180#(<= (+ main_offset 39992) main_length), 58181#(<= (+ main_offset 39988) main_length), 58182#(<= (+ main_offset 39984) main_length), 58183#(<= (+ main_offset 39980) main_length), 58184#(<= (+ main_offset 39976) main_length), 58185#(<= (+ main_offset 39972) main_length), 58186#(<= (+ main_offset 39968) main_length), 58187#(<= (+ main_offset 39964) main_length), 58188#(<= (+ main_offset 39960) main_length), 58189#(<= (+ main_offset 39956) main_length), 58190#(<= (+ main_offset 39952) main_length), 58191#(<= (+ main_offset 39948) main_length), 58192#(<= (+ main_offset 39944) main_length), 58193#(<= (+ main_offset 39940) main_length), 58194#(<= (+ main_offset 39936) main_length), 58195#(<= (+ main_offset 39932) main_length), 58196#(<= (+ main_offset 39928) main_length), 58197#(<= (+ main_offset 39924) main_length), 58198#(<= (+ main_offset 39920) main_length), 58199#(<= (+ main_offset 39916) main_length), 58200#(<= (+ main_offset 39912) main_length), 58201#(<= (+ main_offset 39908) main_length), 58202#(<= (+ main_offset 39904) main_length), 58203#(<= (+ main_offset 39900) main_length), 58204#(<= (+ main_offset 39896) main_length), 58205#(<= (+ main_offset 39892) main_length), 58206#(<= (+ main_offset 39888) main_length), 58207#(<= (+ main_offset 39884) main_length), 58208#(<= (+ main_offset 39880) main_length), 58209#(<= (+ main_offset 39876) main_length), 58210#(<= (+ main_offset 39872) main_length), 58211#(<= (+ main_offset 39868) main_length), 58212#(<= (+ main_offset 39864) main_length), 58213#(<= (+ main_offset 39860) main_length), 58214#(<= (+ main_offset 39856) main_length), 58215#(<= (+ main_offset 39852) main_length), 58216#(<= (+ main_offset 39848) main_length), 58217#(<= (+ main_offset 39844) main_length), 58218#(<= (+ main_offset 39840) main_length), 58219#(<= (+ main_offset 39836) main_length), 58220#(<= (+ main_offset 39832) main_length), 58221#(<= (+ main_offset 39828) main_length), 58222#(<= (+ main_offset 39824) main_length), 58223#(<= (+ main_offset 39820) main_length), 58224#(<= (+ main_offset 39816) main_length), 58225#(<= (+ main_offset 39812) main_length), 58226#(<= (+ main_offset 39808) main_length), 58227#(<= (+ main_offset 39804) main_length), 58228#(<= (+ main_offset 39800) main_length), 58229#(<= (+ main_offset 39796) main_length), 58230#(<= (+ main_offset 39792) main_length), 58231#(<= (+ main_offset 39788) main_length), 58232#(<= (+ main_offset 39784) main_length), 58233#(<= (+ main_offset 39780) main_length), 58234#(<= (+ main_offset 39776) main_length), 58235#(<= (+ main_offset 39772) main_length), 58236#(<= (+ main_offset 39768) main_length), 58237#(<= (+ main_offset 39764) main_length), 58238#(<= (+ main_offset 39760) main_length), 58239#(<= (+ main_offset 39756) main_length), 58240#(<= (+ main_offset 39752) main_length), 58241#(<= (+ main_offset 39748) main_length), 58242#(<= (+ main_offset 39744) main_length), 58243#(<= (+ main_offset 39740) main_length), 58244#(<= (+ main_offset 39736) main_length), 58245#(<= (+ main_offset 39732) main_length), 58246#(<= (+ main_offset 39728) main_length), 58247#(<= (+ main_offset 39724) main_length), 58248#(<= (+ main_offset 39720) main_length), 58249#(<= (+ main_offset 39716) main_length), 58250#(<= (+ main_offset 39712) main_length), 58251#(<= (+ main_offset 39708) main_length), 58252#(<= (+ main_offset 39704) main_length), 58253#(<= (+ main_offset 39700) main_length), 58254#(<= (+ main_offset 39696) main_length), 58255#(<= (+ main_offset 39692) main_length), 58256#(<= (+ main_offset 39688) main_length), 58257#(<= (+ main_offset 39684) main_length), 58258#(<= (+ main_offset 39680) main_length), 58259#(<= (+ main_offset 39676) main_length), 58260#(<= (+ main_offset 39672) main_length), 58261#(<= (+ main_offset 39668) main_length), 58262#(<= (+ main_offset 39664) main_length), 58263#(<= (+ main_offset 39660) main_length), 58264#(<= (+ main_offset 39656) main_length), 58265#(<= (+ main_offset 39652) main_length), 58266#(<= (+ main_offset 39648) main_length), 58267#(<= (+ main_offset 39644) main_length), 58268#(<= (+ main_offset 39640) main_length), 58269#(<= (+ main_offset 39636) main_length), 58270#(<= (+ main_offset 39632) main_length), 58271#(<= (+ main_offset 39628) main_length), 58272#(<= (+ main_offset 39624) main_length), 58273#(<= (+ main_offset 39620) main_length), 58274#(<= (+ main_offset 39616) main_length), 58275#(<= (+ main_offset 39612) main_length), 58276#(<= (+ main_offset 39608) main_length), 58277#(<= (+ main_offset 39604) main_length), 58278#(<= (+ main_offset 39600) main_length), 58279#(<= (+ main_offset 39596) main_length), 58280#(<= (+ main_offset 39592) main_length), 58281#(<= (+ main_offset 39588) main_length), 58282#(<= (+ main_offset 39584) main_length), 58283#(<= (+ main_offset 39580) main_length), 58284#(<= (+ main_offset 39576) main_length), 58285#(<= (+ main_offset 39572) main_length), 58286#(<= (+ main_offset 39568) main_length), 58287#(<= (+ main_offset 39564) main_length), 58288#(<= (+ main_offset 39560) main_length), 58289#(<= (+ main_offset 39556) main_length)] [2018-07-23 13:54:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:59,753 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:54:59,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:54:59,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:54:59,755 INFO L87 Difference]: Start difference. First operand 226 states and 226 transitions. Second operand 114 states. [2018-07-23 13:54:59,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:59,916 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:54:59,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:54:59,916 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 225 [2018-07-23 13:54:59,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:59,916 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:54:59,917 INFO L226 Difference]: Without dead ends: 228 [2018-07-23 13:54:59,917 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:54:59,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-07-23 13:54:59,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-07-23 13:54:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-07-23 13:54:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 228 transitions. [2018-07-23 13:54:59,921 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 228 transitions. Word has length 225 [2018-07-23 13:54:59,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:59,921 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 228 transitions. [2018-07-23 13:54:59,921 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:54:59,921 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 228 transitions. [2018-07-23 13:54:59,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-07-23 13:54:59,922 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:59,922 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 1, 1] [2018-07-23 13:54:59,922 INFO L414 AbstractCegarLoop]: === Iteration 113 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:54:59,922 INFO L82 PathProgramCache]: Analyzing trace with hash -91394624, now seen corresponding path program 112 times [2018-07-23 13:54:59,922 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:00,381 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:00,381 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:55:00,381 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:00,382 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 13:55:00,382 INFO L185 omatonBuilderFactory]: Interpolants [59204#true, 59205#false, 59206#(<= (+ main_offset 40000) main_length), 59207#(<= (+ main_offset 39996) main_length), 59208#(<= (+ main_offset 39992) main_length), 59209#(<= (+ main_offset 39988) main_length), 59210#(<= (+ main_offset 39984) main_length), 59211#(<= (+ main_offset 39980) main_length), 59212#(<= (+ main_offset 39976) main_length), 59213#(<= (+ main_offset 39972) main_length), 59214#(<= (+ main_offset 39968) main_length), 59215#(<= (+ main_offset 39964) main_length), 59216#(<= (+ main_offset 39960) main_length), 59217#(<= (+ main_offset 39956) main_length), 59218#(<= (+ main_offset 39952) main_length), 59219#(<= (+ main_offset 39948) main_length), 59220#(<= (+ main_offset 39944) main_length), 59221#(<= (+ main_offset 39940) main_length), 59222#(<= (+ main_offset 39936) main_length), 59223#(<= (+ main_offset 39932) main_length), 59224#(<= (+ main_offset 39928) main_length), 59225#(<= (+ main_offset 39924) main_length), 59226#(<= (+ main_offset 39920) main_length), 59227#(<= (+ main_offset 39916) main_length), 59228#(<= (+ main_offset 39912) main_length), 59229#(<= (+ main_offset 39908) main_length), 59230#(<= (+ main_offset 39904) main_length), 59231#(<= (+ main_offset 39900) main_length), 59232#(<= (+ main_offset 39896) main_length), 59233#(<= (+ main_offset 39892) main_length), 59234#(<= (+ main_offset 39888) main_length), 59235#(<= (+ main_offset 39884) main_length), 59236#(<= (+ main_offset 39880) main_length), 59237#(<= (+ main_offset 39876) main_length), 59238#(<= (+ main_offset 39872) main_length), 59239#(<= (+ main_offset 39868) main_length), 59240#(<= (+ main_offset 39864) main_length), 59241#(<= (+ main_offset 39860) main_length), 59242#(<= (+ main_offset 39856) main_length), 59243#(<= (+ main_offset 39852) main_length), 59244#(<= (+ main_offset 39848) main_length), 59245#(<= (+ main_offset 39844) main_length), 59246#(<= (+ main_offset 39840) main_length), 59247#(<= (+ main_offset 39836) main_length), 59248#(<= (+ main_offset 39832) main_length), 59249#(<= (+ main_offset 39828) main_length), 59250#(<= (+ main_offset 39824) main_length), 59251#(<= (+ main_offset 39820) main_length), 59252#(<= (+ main_offset 39816) main_length), 59253#(<= (+ main_offset 39812) main_length), 59254#(<= (+ main_offset 39808) main_length), 59255#(<= (+ main_offset 39804) main_length), 59256#(<= (+ main_offset 39800) main_length), 59257#(<= (+ main_offset 39796) main_length), 59258#(<= (+ main_offset 39792) main_length), 59259#(<= (+ main_offset 39788) main_length), 59260#(<= (+ main_offset 39784) main_length), 59261#(<= (+ main_offset 39780) main_length), 59262#(<= (+ main_offset 39776) main_length), 59263#(<= (+ main_offset 39772) main_length), 59264#(<= (+ main_offset 39768) main_length), 59265#(<= (+ main_offset 39764) main_length), 59266#(<= (+ main_offset 39760) main_length), 59267#(<= (+ main_offset 39756) main_length), 59268#(<= (+ main_offset 39752) main_length), 59269#(<= (+ main_offset 39748) main_length), 59270#(<= (+ main_offset 39744) main_length), 59271#(<= (+ main_offset 39740) main_length), 59272#(<= (+ main_offset 39736) main_length), 59273#(<= (+ main_offset 39732) main_length), 59274#(<= (+ main_offset 39728) main_length), 59275#(<= (+ main_offset 39724) main_length), 59276#(<= (+ main_offset 39720) main_length), 59277#(<= (+ main_offset 39716) main_length), 59278#(<= (+ main_offset 39712) main_length), 59279#(<= (+ main_offset 39708) main_length), 59280#(<= (+ main_offset 39704) main_length), 59281#(<= (+ main_offset 39700) main_length), 59282#(<= (+ main_offset 39696) main_length), 59283#(<= (+ main_offset 39692) main_length), 59284#(<= (+ main_offset 39688) main_length), 59285#(<= (+ main_offset 39684) main_length), 59286#(<= (+ main_offset 39680) main_length), 59287#(<= (+ main_offset 39676) main_length), 59288#(<= (+ main_offset 39672) main_length), 59289#(<= (+ main_offset 39668) main_length), 59290#(<= (+ main_offset 39664) main_length), 59291#(<= (+ main_offset 39660) main_length), 59292#(<= (+ main_offset 39656) main_length), 59293#(<= (+ main_offset 39652) main_length), 59294#(<= (+ main_offset 39648) main_length), 59295#(<= (+ main_offset 39644) main_length), 59296#(<= (+ main_offset 39640) main_length), 59297#(<= (+ main_offset 39636) main_length), 59298#(<= (+ main_offset 39632) main_length), 59299#(<= (+ main_offset 39628) main_length), 59300#(<= (+ main_offset 39624) main_length), 59301#(<= (+ main_offset 39620) main_length), 59302#(<= (+ main_offset 39616) main_length), 59303#(<= (+ main_offset 39612) main_length), 59304#(<= (+ main_offset 39608) main_length), 59305#(<= (+ main_offset 39604) main_length), 59306#(<= (+ main_offset 39600) main_length), 59307#(<= (+ main_offset 39596) main_length), 59308#(<= (+ main_offset 39592) main_length), 59309#(<= (+ main_offset 39588) main_length), 59310#(<= (+ main_offset 39584) main_length), 59311#(<= (+ main_offset 39580) main_length), 59312#(<= (+ main_offset 39576) main_length), 59313#(<= (+ main_offset 39572) main_length), 59314#(<= (+ main_offset 39568) main_length), 59315#(<= (+ main_offset 39564) main_length), 59316#(<= (+ main_offset 39560) main_length), 59317#(<= (+ main_offset 39556) main_length), 59318#(<= (+ main_offset 39552) main_length)] [2018-07-23 13:55:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:00,383 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:55:00,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:55:00,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:55:00,384 INFO L87 Difference]: Start difference. First operand 228 states and 228 transitions. Second operand 115 states. [2018-07-23 13:55:00,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:00,567 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:55:00,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:55:00,568 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 227 [2018-07-23 13:55:00,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:00,568 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:55:00,568 INFO L226 Difference]: Without dead ends: 230 [2018-07-23 13:55:00,569 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:55:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-07-23 13:55:00,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2018-07-23 13:55:00,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-07-23 13:55:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 230 transitions. [2018-07-23 13:55:00,574 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 230 transitions. Word has length 227 [2018-07-23 13:55:00,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:00,574 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 230 transitions. [2018-07-23 13:55:00,574 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:55:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 230 transitions. [2018-07-23 13:55:00,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-07-23 13:55:00,576 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:00,576 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 1, 1] [2018-07-23 13:55:00,576 INFO L414 AbstractCegarLoop]: === Iteration 114 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:00,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1930886654, now seen corresponding path program 113 times [2018-07-23 13:55:00,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:01,086 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:01,086 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:55:01,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:01,086 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 13:55:01,087 INFO L185 omatonBuilderFactory]: Interpolants [60241#true, 60242#false, 60243#(<= (+ main_offset 40000) main_length), 60244#(<= (+ main_offset 39996) main_length), 60245#(<= (+ main_offset 39992) main_length), 60246#(<= (+ main_offset 39988) main_length), 60247#(<= (+ main_offset 39984) main_length), 60248#(<= (+ main_offset 39980) main_length), 60249#(<= (+ main_offset 39976) main_length), 60250#(<= (+ main_offset 39972) main_length), 60251#(<= (+ main_offset 39968) main_length), 60252#(<= (+ main_offset 39964) main_length), 60253#(<= (+ main_offset 39960) main_length), 60254#(<= (+ main_offset 39956) main_length), 60255#(<= (+ main_offset 39952) main_length), 60256#(<= (+ main_offset 39948) main_length), 60257#(<= (+ main_offset 39944) main_length), 60258#(<= (+ main_offset 39940) main_length), 60259#(<= (+ main_offset 39936) main_length), 60260#(<= (+ main_offset 39932) main_length), 60261#(<= (+ main_offset 39928) main_length), 60262#(<= (+ main_offset 39924) main_length), 60263#(<= (+ main_offset 39920) main_length), 60264#(<= (+ main_offset 39916) main_length), 60265#(<= (+ main_offset 39912) main_length), 60266#(<= (+ main_offset 39908) main_length), 60267#(<= (+ main_offset 39904) main_length), 60268#(<= (+ main_offset 39900) main_length), 60269#(<= (+ main_offset 39896) main_length), 60270#(<= (+ main_offset 39892) main_length), 60271#(<= (+ main_offset 39888) main_length), 60272#(<= (+ main_offset 39884) main_length), 60273#(<= (+ main_offset 39880) main_length), 60274#(<= (+ main_offset 39876) main_length), 60275#(<= (+ main_offset 39872) main_length), 60276#(<= (+ main_offset 39868) main_length), 60277#(<= (+ main_offset 39864) main_length), 60278#(<= (+ main_offset 39860) main_length), 60279#(<= (+ main_offset 39856) main_length), 60280#(<= (+ main_offset 39852) main_length), 60281#(<= (+ main_offset 39848) main_length), 60282#(<= (+ main_offset 39844) main_length), 60283#(<= (+ main_offset 39840) main_length), 60284#(<= (+ main_offset 39836) main_length), 60285#(<= (+ main_offset 39832) main_length), 60286#(<= (+ main_offset 39828) main_length), 60287#(<= (+ main_offset 39824) main_length), 60288#(<= (+ main_offset 39820) main_length), 60289#(<= (+ main_offset 39816) main_length), 60290#(<= (+ main_offset 39812) main_length), 60291#(<= (+ main_offset 39808) main_length), 60292#(<= (+ main_offset 39804) main_length), 60293#(<= (+ main_offset 39800) main_length), 60294#(<= (+ main_offset 39796) main_length), 60295#(<= (+ main_offset 39792) main_length), 60296#(<= (+ main_offset 39788) main_length), 60297#(<= (+ main_offset 39784) main_length), 60298#(<= (+ main_offset 39780) main_length), 60299#(<= (+ main_offset 39776) main_length), 60300#(<= (+ main_offset 39772) main_length), 60301#(<= (+ main_offset 39768) main_length), 60302#(<= (+ main_offset 39764) main_length), 60303#(<= (+ main_offset 39760) main_length), 60304#(<= (+ main_offset 39756) main_length), 60305#(<= (+ main_offset 39752) main_length), 60306#(<= (+ main_offset 39748) main_length), 60307#(<= (+ main_offset 39744) main_length), 60308#(<= (+ main_offset 39740) main_length), 60309#(<= (+ main_offset 39736) main_length), 60310#(<= (+ main_offset 39732) main_length), 60311#(<= (+ main_offset 39728) main_length), 60312#(<= (+ main_offset 39724) main_length), 60313#(<= (+ main_offset 39720) main_length), 60314#(<= (+ main_offset 39716) main_length), 60315#(<= (+ main_offset 39712) main_length), 60316#(<= (+ main_offset 39708) main_length), 60317#(<= (+ main_offset 39704) main_length), 60318#(<= (+ main_offset 39700) main_length), 60319#(<= (+ main_offset 39696) main_length), 60320#(<= (+ main_offset 39692) main_length), 60321#(<= (+ main_offset 39688) main_length), 60322#(<= (+ main_offset 39684) main_length), 60323#(<= (+ main_offset 39680) main_length), 60324#(<= (+ main_offset 39676) main_length), 60325#(<= (+ main_offset 39672) main_length), 60326#(<= (+ main_offset 39668) main_length), 60327#(<= (+ main_offset 39664) main_length), 60328#(<= (+ main_offset 39660) main_length), 60329#(<= (+ main_offset 39656) main_length), 60330#(<= (+ main_offset 39652) main_length), 60331#(<= (+ main_offset 39648) main_length), 60332#(<= (+ main_offset 39644) main_length), 60333#(<= (+ main_offset 39640) main_length), 60334#(<= (+ main_offset 39636) main_length), 60335#(<= (+ main_offset 39632) main_length), 60336#(<= (+ main_offset 39628) main_length), 60337#(<= (+ main_offset 39624) main_length), 60338#(<= (+ main_offset 39620) main_length), 60339#(<= (+ main_offset 39616) main_length), 60340#(<= (+ main_offset 39612) main_length), 60341#(<= (+ main_offset 39608) main_length), 60342#(<= (+ main_offset 39604) main_length), 60343#(<= (+ main_offset 39600) main_length), 60344#(<= (+ main_offset 39596) main_length), 60345#(<= (+ main_offset 39592) main_length), 60346#(<= (+ main_offset 39588) main_length), 60347#(<= (+ main_offset 39584) main_length), 60348#(<= (+ main_offset 39580) main_length), 60349#(<= (+ main_offset 39576) main_length), 60350#(<= (+ main_offset 39572) main_length), 60351#(<= (+ main_offset 39568) main_length), 60352#(<= (+ main_offset 39564) main_length), 60353#(<= (+ main_offset 39560) main_length), 60354#(<= (+ main_offset 39556) main_length), 60355#(<= (+ main_offset 39552) main_length), 60356#(<= (+ main_offset 39548) main_length)] [2018-07-23 13:55:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:01,087 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:55:01,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:55:01,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:55:01,089 INFO L87 Difference]: Start difference. First operand 230 states and 230 transitions. Second operand 116 states. [2018-07-23 13:55:01,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:01,266 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:55:01,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:55:01,266 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 229 [2018-07-23 13:55:01,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:01,266 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:55:01,266 INFO L226 Difference]: Without dead ends: 232 [2018-07-23 13:55:01,267 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:55:01,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-07-23 13:55:01,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2018-07-23 13:55:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-07-23 13:55:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 232 transitions. [2018-07-23 13:55:01,272 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 232 transitions. Word has length 229 [2018-07-23 13:55:01,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:01,273 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 232 transitions. [2018-07-23 13:55:01,273 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:55:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 232 transitions. [2018-07-23 13:55:01,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-07-23 13:55:01,274 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:01,274 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 1, 1] [2018-07-23 13:55:01,274 INFO L414 AbstractCegarLoop]: === Iteration 115 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:01,274 INFO L82 PathProgramCache]: Analyzing trace with hash -156201532, now seen corresponding path program 114 times [2018-07-23 13:55:01,275 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:01,831 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:01,831 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:55:01,831 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:01,832 INFO L185 omatonBuilderFactory]: Interpolants [61287#true, 61288#false, 61289#(<= (+ main_offset 40000) main_length), 61290#(<= (+ main_offset 39996) main_length), 61291#(<= (+ main_offset 39992) main_length), 61292#(<= (+ main_offset 39988) main_length), 61293#(<= (+ main_offset 39984) main_length), 61294#(<= (+ main_offset 39980) main_length), 61295#(<= (+ main_offset 39976) main_length), 61296#(<= (+ main_offset 39972) main_length), 61297#(<= (+ main_offset 39968) main_length), 61298#(<= (+ main_offset 39964) main_length), 61299#(<= (+ main_offset 39960) main_length), 61300#(<= (+ main_offset 39956) main_length), 61301#(<= (+ main_offset 39952) main_length), 61302#(<= (+ main_offset 39948) main_length), 61303#(<= (+ main_offset 39944) main_length), 61304#(<= (+ main_offset 39940) main_length), 61305#(<= (+ main_offset 39936) main_length), 61306#(<= (+ main_offset 39932) main_length), 61307#(<= (+ main_offset 39928) main_length), 61308#(<= (+ main_offset 39924) main_length), 61309#(<= (+ main_offset 39920) main_length), 61310#(<= (+ main_offset 39916) main_length), 61311#(<= (+ main_offset 39912) main_length), 61312#(<= (+ main_offset 39908) main_length), 61313#(<= (+ main_offset 39904) main_length), 61314#(<= (+ main_offset 39900) main_length), 61315#(<= (+ main_offset 39896) main_length), 61316#(<= (+ main_offset 39892) main_length), 61317#(<= (+ main_offset 39888) main_length), 61318#(<= (+ main_offset 39884) main_length), 61319#(<= (+ main_offset 39880) main_length), 61320#(<= (+ main_offset 39876) main_length), 61321#(<= (+ main_offset 39872) main_length), 61322#(<= (+ main_offset 39868) main_length), 61323#(<= (+ main_offset 39864) main_length), 61324#(<= (+ main_offset 39860) main_length), 61325#(<= (+ main_offset 39856) main_length), 61326#(<= (+ main_offset 39852) main_length), 61327#(<= (+ main_offset 39848) main_length), 61328#(<= (+ main_offset 39844) main_length), 61329#(<= (+ main_offset 39840) main_length), 61330#(<= (+ main_offset 39836) main_length), 61331#(<= (+ main_offset 39832) main_length), 61332#(<= (+ main_offset 39828) main_length), 61333#(<= (+ main_offset 39824) main_length), 61334#(<= (+ main_offset 39820) main_length), 61335#(<= (+ main_offset 39816) main_length), 61336#(<= (+ main_offset 39812) main_length), 61337#(<= (+ main_offset 39808) main_length), 61338#(<= (+ main_offset 39804) main_length), 61339#(<= (+ main_offset 39800) main_length), 61340#(<= (+ main_offset 39796) main_length), 61341#(<= (+ main_offset 39792) main_length), 61342#(<= (+ main_offset 39788) main_length), 61343#(<= (+ main_offset 39784) main_length), 61344#(<= (+ main_offset 39780) main_length), 61345#(<= (+ main_offset 39776) main_length), 61346#(<= (+ main_offset 39772) main_length), 61347#(<= (+ main_offset 39768) main_length), 61348#(<= (+ main_offset 39764) main_length), 61349#(<= (+ main_offset 39760) main_length), 61350#(<= (+ main_offset 39756) main_length), 61351#(<= (+ main_offset 39752) main_length), 61352#(<= (+ main_offset 39748) main_length), 61353#(<= (+ main_offset 39744) main_length), 61354#(<= (+ main_offset 39740) main_length), 61355#(<= (+ main_offset 39736) main_length), 61356#(<= (+ main_offset 39732) main_length), 61357#(<= (+ main_offset 39728) main_length), 61358#(<= (+ main_offset 39724) main_length), 61359#(<= (+ main_offset 39720) main_length), 61360#(<= (+ main_offset 39716) main_length), 61361#(<= (+ main_offset 39712) main_length), 61362#(<= (+ main_offset 39708) main_length), 61363#(<= (+ main_offset 39704) main_length), 61364#(<= (+ main_offset 39700) main_length), 61365#(<= (+ main_offset 39696) main_length), 61366#(<= (+ main_offset 39692) main_length), 61367#(<= (+ main_offset 39688) main_length), 61368#(<= (+ main_offset 39684) main_length), 61369#(<= (+ main_offset 39680) main_length), 61370#(<= (+ main_offset 39676) main_length), 61371#(<= (+ main_offset 39672) main_length), 61372#(<= (+ main_offset 39668) main_length), 61373#(<= (+ main_offset 39664) main_length), 61374#(<= (+ main_offset 39660) main_length), 61375#(<= (+ main_offset 39656) main_length), 61376#(<= (+ main_offset 39652) main_length), 61377#(<= (+ main_offset 39648) main_length), 61378#(<= (+ main_offset 39644) main_length), 61379#(<= (+ main_offset 39640) main_length), 61380#(<= (+ main_offset 39636) main_length), 61381#(<= (+ main_offset 39632) main_length), 61382#(<= (+ main_offset 39628) main_length), 61383#(<= (+ main_offset 39624) main_length), 61384#(<= (+ main_offset 39620) main_length), 61385#(<= (+ main_offset 39616) main_length), 61386#(<= (+ main_offset 39612) main_length), 61387#(<= (+ main_offset 39608) main_length), 61388#(<= (+ main_offset 39604) main_length), 61389#(<= (+ main_offset 39600) main_length), 61390#(<= (+ main_offset 39596) main_length), 61391#(<= (+ main_offset 39592) main_length), 61392#(<= (+ main_offset 39588) main_length), 61393#(<= (+ main_offset 39584) main_length), 61394#(<= (+ main_offset 39580) main_length), 61395#(<= (+ main_offset 39576) main_length), 61396#(<= (+ main_offset 39572) main_length), 61397#(<= (+ main_offset 39568) main_length), 61398#(<= (+ main_offset 39564) main_length), 61399#(<= (+ main_offset 39560) main_length), 61400#(<= (+ main_offset 39556) main_length), 61401#(<= (+ main_offset 39552) main_length), 61402#(<= (+ main_offset 39548) main_length), 61403#(<= (+ main_offset 39544) main_length)] [2018-07-23 13:55:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:01,833 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:55:01,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:55:01,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:55:01,835 INFO L87 Difference]: Start difference. First operand 232 states and 232 transitions. Second operand 117 states. [2018-07-23 13:55:02,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:02,066 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:55:02,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:55:02,066 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 231 [2018-07-23 13:55:02,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:02,067 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:55:02,067 INFO L226 Difference]: Without dead ends: 234 [2018-07-23 13:55:02,068 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:55:02,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-07-23 13:55:02,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2018-07-23 13:55:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-07-23 13:55:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 234 transitions. [2018-07-23 13:55:02,071 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 234 transitions. Word has length 231 [2018-07-23 13:55:02,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:02,071 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 234 transitions. [2018-07-23 13:55:02,071 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:55:02,071 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 234 transitions. [2018-07-23 13:55:02,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-07-23 13:55:02,072 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:02,072 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 1, 1] [2018-07-23 13:55:02,072 INFO L414 AbstractCegarLoop]: === Iteration 116 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:02,072 INFO L82 PathProgramCache]: Analyzing trace with hash 214184198, now seen corresponding path program 115 times [2018-07-23 13:55:02,072 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:02,661 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:02,661 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:02,662 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:55:02,662 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:02,662 INFO L185 omatonBuilderFactory]: Interpolants [62342#true, 62343#false, 62344#(<= (+ main_offset 40000) main_length), 62345#(<= (+ main_offset 39996) main_length), 62346#(<= (+ main_offset 39992) main_length), 62347#(<= (+ main_offset 39988) main_length), 62348#(<= (+ main_offset 39984) main_length), 62349#(<= (+ main_offset 39980) main_length), 62350#(<= (+ main_offset 39976) main_length), 62351#(<= (+ main_offset 39972) main_length), 62352#(<= (+ main_offset 39968) main_length), 62353#(<= (+ main_offset 39964) main_length), 62354#(<= (+ main_offset 39960) main_length), 62355#(<= (+ main_offset 39956) main_length), 62356#(<= (+ main_offset 39952) main_length), 62357#(<= (+ main_offset 39948) main_length), 62358#(<= (+ main_offset 39944) main_length), 62359#(<= (+ main_offset 39940) main_length), 62360#(<= (+ main_offset 39936) main_length), 62361#(<= (+ main_offset 39932) main_length), 62362#(<= (+ main_offset 39928) main_length), 62363#(<= (+ main_offset 39924) main_length), 62364#(<= (+ main_offset 39920) main_length), 62365#(<= (+ main_offset 39916) main_length), 62366#(<= (+ main_offset 39912) main_length), 62367#(<= (+ main_offset 39908) main_length), 62368#(<= (+ main_offset 39904) main_length), 62369#(<= (+ main_offset 39900) main_length), 62370#(<= (+ main_offset 39896) main_length), 62371#(<= (+ main_offset 39892) main_length), 62372#(<= (+ main_offset 39888) main_length), 62373#(<= (+ main_offset 39884) main_length), 62374#(<= (+ main_offset 39880) main_length), 62375#(<= (+ main_offset 39876) main_length), 62376#(<= (+ main_offset 39872) main_length), 62377#(<= (+ main_offset 39868) main_length), 62378#(<= (+ main_offset 39864) main_length), 62379#(<= (+ main_offset 39860) main_length), 62380#(<= (+ main_offset 39856) main_length), 62381#(<= (+ main_offset 39852) main_length), 62382#(<= (+ main_offset 39848) main_length), 62383#(<= (+ main_offset 39844) main_length), 62384#(<= (+ main_offset 39840) main_length), 62385#(<= (+ main_offset 39836) main_length), 62386#(<= (+ main_offset 39832) main_length), 62387#(<= (+ main_offset 39828) main_length), 62388#(<= (+ main_offset 39824) main_length), 62389#(<= (+ main_offset 39820) main_length), 62390#(<= (+ main_offset 39816) main_length), 62391#(<= (+ main_offset 39812) main_length), 62392#(<= (+ main_offset 39808) main_length), 62393#(<= (+ main_offset 39804) main_length), 62394#(<= (+ main_offset 39800) main_length), 62395#(<= (+ main_offset 39796) main_length), 62396#(<= (+ main_offset 39792) main_length), 62397#(<= (+ main_offset 39788) main_length), 62398#(<= (+ main_offset 39784) main_length), 62399#(<= (+ main_offset 39780) main_length), 62400#(<= (+ main_offset 39776) main_length), 62401#(<= (+ main_offset 39772) main_length), 62402#(<= (+ main_offset 39768) main_length), 62403#(<= (+ main_offset 39764) main_length), 62404#(<= (+ main_offset 39760) main_length), 62405#(<= (+ main_offset 39756) main_length), 62406#(<= (+ main_offset 39752) main_length), 62407#(<= (+ main_offset 39748) main_length), 62408#(<= (+ main_offset 39744) main_length), 62409#(<= (+ main_offset 39740) main_length), 62410#(<= (+ main_offset 39736) main_length), 62411#(<= (+ main_offset 39732) main_length), 62412#(<= (+ main_offset 39728) main_length), 62413#(<= (+ main_offset 39724) main_length), 62414#(<= (+ main_offset 39720) main_length), 62415#(<= (+ main_offset 39716) main_length), 62416#(<= (+ main_offset 39712) main_length), 62417#(<= (+ main_offset 39708) main_length), 62418#(<= (+ main_offset 39704) main_length), 62419#(<= (+ main_offset 39700) main_length), 62420#(<= (+ main_offset 39696) main_length), 62421#(<= (+ main_offset 39692) main_length), 62422#(<= (+ main_offset 39688) main_length), 62423#(<= (+ main_offset 39684) main_length), 62424#(<= (+ main_offset 39680) main_length), 62425#(<= (+ main_offset 39676) main_length), 62426#(<= (+ main_offset 39672) main_length), 62427#(<= (+ main_offset 39668) main_length), 62428#(<= (+ main_offset 39664) main_length), 62429#(<= (+ main_offset 39660) main_length), 62430#(<= (+ main_offset 39656) main_length), 62431#(<= (+ main_offset 39652) main_length), 62432#(<= (+ main_offset 39648) main_length), 62433#(<= (+ main_offset 39644) main_length), 62434#(<= (+ main_offset 39640) main_length), 62435#(<= (+ main_offset 39636) main_length), 62436#(<= (+ main_offset 39632) main_length), 62437#(<= (+ main_offset 39628) main_length), 62438#(<= (+ main_offset 39624) main_length), 62439#(<= (+ main_offset 39620) main_length), 62440#(<= (+ main_offset 39616) main_length), 62441#(<= (+ main_offset 39612) main_length), 62442#(<= (+ main_offset 39608) main_length), 62443#(<= (+ main_offset 39604) main_length), 62444#(<= (+ main_offset 39600) main_length), 62445#(<= (+ main_offset 39596) main_length), 62446#(<= (+ main_offset 39592) main_length), 62447#(<= (+ main_offset 39588) main_length), 62448#(<= (+ main_offset 39584) main_length), 62449#(<= (+ main_offset 39580) main_length), 62450#(<= (+ main_offset 39576) main_length), 62451#(<= (+ main_offset 39572) main_length), 62452#(<= (+ main_offset 39568) main_length), 62453#(<= (+ main_offset 39564) main_length), 62454#(<= (+ main_offset 39560) main_length), 62455#(<= (+ main_offset 39556) main_length), 62456#(<= (+ main_offset 39552) main_length), 62457#(<= (+ main_offset 39548) main_length), 62458#(<= (+ main_offset 39544) main_length), 62459#(<= (+ main_offset 39540) main_length)] [2018-07-23 13:55:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:02,663 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:55:02,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:55:02,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:55:02,665 INFO L87 Difference]: Start difference. First operand 234 states and 234 transitions. Second operand 118 states. [2018-07-23 13:55:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:02,969 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:55:02,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:55:02,969 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 233 [2018-07-23 13:55:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:02,970 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:55:02,970 INFO L226 Difference]: Without dead ends: 236 [2018-07-23 13:55:02,971 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:55:02,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-07-23 13:55:02,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2018-07-23 13:55:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-07-23 13:55:02,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 236 transitions. [2018-07-23 13:55:02,977 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 236 transitions. Word has length 233 [2018-07-23 13:55:02,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:02,977 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 236 transitions. [2018-07-23 13:55:02,977 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:55:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 236 transitions. [2018-07-23 13:55:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-07-23 13:55:02,978 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:02,978 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 1, 1] [2018-07-23 13:55:02,978 INFO L414 AbstractCegarLoop]: === Iteration 117 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:02,978 INFO L82 PathProgramCache]: Analyzing trace with hash -327414840, now seen corresponding path program 116 times [2018-07-23 13:55:02,979 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:03,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:03,505 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:03,505 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:55:03,505 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:03,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:03,506 INFO L185 omatonBuilderFactory]: Interpolants [63488#(<= (+ main_offset 39680) main_length), 63489#(<= (+ main_offset 39676) main_length), 63490#(<= (+ main_offset 39672) main_length), 63491#(<= (+ main_offset 39668) main_length), 63492#(<= (+ main_offset 39664) main_length), 63493#(<= (+ main_offset 39660) main_length), 63494#(<= (+ main_offset 39656) main_length), 63495#(<= (+ main_offset 39652) main_length), 63496#(<= (+ main_offset 39648) main_length), 63497#(<= (+ main_offset 39644) main_length), 63498#(<= (+ main_offset 39640) main_length), 63499#(<= (+ main_offset 39636) main_length), 63500#(<= (+ main_offset 39632) main_length), 63501#(<= (+ main_offset 39628) main_length), 63502#(<= (+ main_offset 39624) main_length), 63503#(<= (+ main_offset 39620) main_length), 63504#(<= (+ main_offset 39616) main_length), 63505#(<= (+ main_offset 39612) main_length), 63506#(<= (+ main_offset 39608) main_length), 63507#(<= (+ main_offset 39604) main_length), 63508#(<= (+ main_offset 39600) main_length), 63509#(<= (+ main_offset 39596) main_length), 63510#(<= (+ main_offset 39592) main_length), 63511#(<= (+ main_offset 39588) main_length), 63512#(<= (+ main_offset 39584) main_length), 63513#(<= (+ main_offset 39580) main_length), 63514#(<= (+ main_offset 39576) main_length), 63515#(<= (+ main_offset 39572) main_length), 63516#(<= (+ main_offset 39568) main_length), 63517#(<= (+ main_offset 39564) main_length), 63518#(<= (+ main_offset 39560) main_length), 63519#(<= (+ main_offset 39556) main_length), 63520#(<= (+ main_offset 39552) main_length), 63521#(<= (+ main_offset 39548) main_length), 63522#(<= (+ main_offset 39544) main_length), 63523#(<= (+ main_offset 39540) main_length), 63524#(<= (+ main_offset 39536) main_length), 63406#true, 63407#false, 63408#(<= (+ main_offset 40000) main_length), 63409#(<= (+ main_offset 39996) main_length), 63410#(<= (+ main_offset 39992) main_length), 63411#(<= (+ main_offset 39988) main_length), 63412#(<= (+ main_offset 39984) main_length), 63413#(<= (+ main_offset 39980) main_length), 63414#(<= (+ main_offset 39976) main_length), 63415#(<= (+ main_offset 39972) main_length), 63416#(<= (+ main_offset 39968) main_length), 63417#(<= (+ main_offset 39964) main_length), 63418#(<= (+ main_offset 39960) main_length), 63419#(<= (+ main_offset 39956) main_length), 63420#(<= (+ main_offset 39952) main_length), 63421#(<= (+ main_offset 39948) main_length), 63422#(<= (+ main_offset 39944) main_length), 63423#(<= (+ main_offset 39940) main_length), 63424#(<= (+ main_offset 39936) main_length), 63425#(<= (+ main_offset 39932) main_length), 63426#(<= (+ main_offset 39928) main_length), 63427#(<= (+ main_offset 39924) main_length), 63428#(<= (+ main_offset 39920) main_length), 63429#(<= (+ main_offset 39916) main_length), 63430#(<= (+ main_offset 39912) main_length), 63431#(<= (+ main_offset 39908) main_length), 63432#(<= (+ main_offset 39904) main_length), 63433#(<= (+ main_offset 39900) main_length), 63434#(<= (+ main_offset 39896) main_length), 63435#(<= (+ main_offset 39892) main_length), 63436#(<= (+ main_offset 39888) main_length), 63437#(<= (+ main_offset 39884) main_length), 63438#(<= (+ main_offset 39880) main_length), 63439#(<= (+ main_offset 39876) main_length), 63440#(<= (+ main_offset 39872) main_length), 63441#(<= (+ main_offset 39868) main_length), 63442#(<= (+ main_offset 39864) main_length), 63443#(<= (+ main_offset 39860) main_length), 63444#(<= (+ main_offset 39856) main_length), 63445#(<= (+ main_offset 39852) main_length), 63446#(<= (+ main_offset 39848) main_length), 63447#(<= (+ main_offset 39844) main_length), 63448#(<= (+ main_offset 39840) main_length), 63449#(<= (+ main_offset 39836) main_length), 63450#(<= (+ main_offset 39832) main_length), 63451#(<= (+ main_offset 39828) main_length), 63452#(<= (+ main_offset 39824) main_length), 63453#(<= (+ main_offset 39820) main_length), 63454#(<= (+ main_offset 39816) main_length), 63455#(<= (+ main_offset 39812) main_length), 63456#(<= (+ main_offset 39808) main_length), 63457#(<= (+ main_offset 39804) main_length), 63458#(<= (+ main_offset 39800) main_length), 63459#(<= (+ main_offset 39796) main_length), 63460#(<= (+ main_offset 39792) main_length), 63461#(<= (+ main_offset 39788) main_length), 63462#(<= (+ main_offset 39784) main_length), 63463#(<= (+ main_offset 39780) main_length), 63464#(<= (+ main_offset 39776) main_length), 63465#(<= (+ main_offset 39772) main_length), 63466#(<= (+ main_offset 39768) main_length), 63467#(<= (+ main_offset 39764) main_length), 63468#(<= (+ main_offset 39760) main_length), 63469#(<= (+ main_offset 39756) main_length), 63470#(<= (+ main_offset 39752) main_length), 63471#(<= (+ main_offset 39748) main_length), 63472#(<= (+ main_offset 39744) main_length), 63473#(<= (+ main_offset 39740) main_length), 63474#(<= (+ main_offset 39736) main_length), 63475#(<= (+ main_offset 39732) main_length), 63476#(<= (+ main_offset 39728) main_length), 63477#(<= (+ main_offset 39724) main_length), 63478#(<= (+ main_offset 39720) main_length), 63479#(<= (+ main_offset 39716) main_length), 63480#(<= (+ main_offset 39712) main_length), 63481#(<= (+ main_offset 39708) main_length), 63482#(<= (+ main_offset 39704) main_length), 63483#(<= (+ main_offset 39700) main_length), 63484#(<= (+ main_offset 39696) main_length), 63485#(<= (+ main_offset 39692) main_length), 63486#(<= (+ main_offset 39688) main_length), 63487#(<= (+ main_offset 39684) main_length)] [2018-07-23 13:55:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:03,507 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:55:03,508 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:55:03,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:55:03,508 INFO L87 Difference]: Start difference. First operand 236 states and 236 transitions. Second operand 119 states. [2018-07-23 13:55:03,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:03,628 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:55:03,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:55:03,628 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 235 [2018-07-23 13:55:03,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:03,629 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:55:03,629 INFO L226 Difference]: Without dead ends: 238 [2018-07-23 13:55:03,630 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:55:03,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-07-23 13:55:03,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-07-23 13:55:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-07-23 13:55:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 238 transitions. [2018-07-23 13:55:03,633 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 238 transitions. Word has length 235 [2018-07-23 13:55:03,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:03,634 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 238 transitions. [2018-07-23 13:55:03,634 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:55:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 238 transitions. [2018-07-23 13:55:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-07-23 13:55:03,635 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:03,635 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 1, 1] [2018-07-23 13:55:03,635 INFO L414 AbstractCegarLoop]: === Iteration 118 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:03,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1113047542, now seen corresponding path program 117 times [2018-07-23 13:55:03,635 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:04,271 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:04,271 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:55:04,272 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:04,272 INFO L185 omatonBuilderFactory]: Interpolants [64512#(<= (+ main_offset 39876) main_length), 64513#(<= (+ main_offset 39872) main_length), 64514#(<= (+ main_offset 39868) main_length), 64515#(<= (+ main_offset 39864) main_length), 64516#(<= (+ main_offset 39860) main_length), 64517#(<= (+ main_offset 39856) main_length), 64518#(<= (+ main_offset 39852) main_length), 64519#(<= (+ main_offset 39848) main_length), 64520#(<= (+ main_offset 39844) main_length), 64521#(<= (+ main_offset 39840) main_length), 64522#(<= (+ main_offset 39836) main_length), 64523#(<= (+ main_offset 39832) main_length), 64524#(<= (+ main_offset 39828) main_length), 64525#(<= (+ main_offset 39824) main_length), 64526#(<= (+ main_offset 39820) main_length), 64527#(<= (+ main_offset 39816) main_length), 64528#(<= (+ main_offset 39812) main_length), 64529#(<= (+ main_offset 39808) main_length), 64530#(<= (+ main_offset 39804) main_length), 64531#(<= (+ main_offset 39800) main_length), 64532#(<= (+ main_offset 39796) main_length), 64533#(<= (+ main_offset 39792) main_length), 64534#(<= (+ main_offset 39788) main_length), 64535#(<= (+ main_offset 39784) main_length), 64536#(<= (+ main_offset 39780) main_length), 64537#(<= (+ main_offset 39776) main_length), 64538#(<= (+ main_offset 39772) main_length), 64539#(<= (+ main_offset 39768) main_length), 64540#(<= (+ main_offset 39764) main_length), 64541#(<= (+ main_offset 39760) main_length), 64542#(<= (+ main_offset 39756) main_length), 64543#(<= (+ main_offset 39752) main_length), 64544#(<= (+ main_offset 39748) main_length), 64545#(<= (+ main_offset 39744) main_length), 64546#(<= (+ main_offset 39740) main_length), 64547#(<= (+ main_offset 39736) main_length), 64548#(<= (+ main_offset 39732) main_length), 64549#(<= (+ main_offset 39728) main_length), 64550#(<= (+ main_offset 39724) main_length), 64551#(<= (+ main_offset 39720) main_length), 64552#(<= (+ main_offset 39716) main_length), 64553#(<= (+ main_offset 39712) main_length), 64554#(<= (+ main_offset 39708) main_length), 64555#(<= (+ main_offset 39704) main_length), 64556#(<= (+ main_offset 39700) main_length), 64557#(<= (+ main_offset 39696) main_length), 64558#(<= (+ main_offset 39692) main_length), 64559#(<= (+ main_offset 39688) main_length), 64560#(<= (+ main_offset 39684) main_length), 64561#(<= (+ main_offset 39680) main_length), 64562#(<= (+ main_offset 39676) main_length), 64563#(<= (+ main_offset 39672) main_length), 64564#(<= (+ main_offset 39668) main_length), 64565#(<= (+ main_offset 39664) main_length), 64566#(<= (+ main_offset 39660) main_length), 64567#(<= (+ main_offset 39656) main_length), 64568#(<= (+ main_offset 39652) main_length), 64569#(<= (+ main_offset 39648) main_length), 64570#(<= (+ main_offset 39644) main_length), 64571#(<= (+ main_offset 39640) main_length), 64572#(<= (+ main_offset 39636) main_length), 64573#(<= (+ main_offset 39632) main_length), 64574#(<= (+ main_offset 39628) main_length), 64575#(<= (+ main_offset 39624) main_length), 64576#(<= (+ main_offset 39620) main_length), 64577#(<= (+ main_offset 39616) main_length), 64578#(<= (+ main_offset 39612) main_length), 64579#(<= (+ main_offset 39608) main_length), 64580#(<= (+ main_offset 39604) main_length), 64581#(<= (+ main_offset 39600) main_length), 64582#(<= (+ main_offset 39596) main_length), 64583#(<= (+ main_offset 39592) main_length), 64584#(<= (+ main_offset 39588) main_length), 64585#(<= (+ main_offset 39584) main_length), 64586#(<= (+ main_offset 39580) main_length), 64587#(<= (+ main_offset 39576) main_length), 64588#(<= (+ main_offset 39572) main_length), 64589#(<= (+ main_offset 39568) main_length), 64590#(<= (+ main_offset 39564) main_length), 64591#(<= (+ main_offset 39560) main_length), 64592#(<= (+ main_offset 39556) main_length), 64593#(<= (+ main_offset 39552) main_length), 64594#(<= (+ main_offset 39548) main_length), 64595#(<= (+ main_offset 39544) main_length), 64596#(<= (+ main_offset 39540) main_length), 64597#(<= (+ main_offset 39536) main_length), 64598#(<= (+ main_offset 39532) main_length), 64479#true, 64480#false, 64481#(<= (+ main_offset 40000) main_length), 64482#(<= (+ main_offset 39996) main_length), 64483#(<= (+ main_offset 39992) main_length), 64484#(<= (+ main_offset 39988) main_length), 64485#(<= (+ main_offset 39984) main_length), 64486#(<= (+ main_offset 39980) main_length), 64487#(<= (+ main_offset 39976) main_length), 64488#(<= (+ main_offset 39972) main_length), 64489#(<= (+ main_offset 39968) main_length), 64490#(<= (+ main_offset 39964) main_length), 64491#(<= (+ main_offset 39960) main_length), 64492#(<= (+ main_offset 39956) main_length), 64493#(<= (+ main_offset 39952) main_length), 64494#(<= (+ main_offset 39948) main_length), 64495#(<= (+ main_offset 39944) main_length), 64496#(<= (+ main_offset 39940) main_length), 64497#(<= (+ main_offset 39936) main_length), 64498#(<= (+ main_offset 39932) main_length), 64499#(<= (+ main_offset 39928) main_length), 64500#(<= (+ main_offset 39924) main_length), 64501#(<= (+ main_offset 39920) main_length), 64502#(<= (+ main_offset 39916) main_length), 64503#(<= (+ main_offset 39912) main_length), 64504#(<= (+ main_offset 39908) main_length), 64505#(<= (+ main_offset 39904) main_length), 64506#(<= (+ main_offset 39900) main_length), 64507#(<= (+ main_offset 39896) main_length), 64508#(<= (+ main_offset 39892) main_length), 64509#(<= (+ main_offset 39888) main_length), 64510#(<= (+ main_offset 39884) main_length), 64511#(<= (+ main_offset 39880) main_length)] [2018-07-23 13:55:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:04,274 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:55:04,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:55:04,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:55:04,277 INFO L87 Difference]: Start difference. First operand 238 states and 238 transitions. Second operand 120 states. [2018-07-23 13:55:04,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:04,496 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:55:04,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:55:04,496 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 237 [2018-07-23 13:55:04,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:04,497 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:55:04,497 INFO L226 Difference]: Without dead ends: 240 [2018-07-23 13:55:04,498 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:55:04,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-07-23 13:55:04,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2018-07-23 13:55:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-07-23 13:55:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 240 transitions. [2018-07-23 13:55:04,506 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 240 transitions. Word has length 237 [2018-07-23 13:55:04,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:04,506 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 240 transitions. [2018-07-23 13:55:04,506 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:55:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 240 transitions. [2018-07-23 13:55:04,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-07-23 13:55:04,507 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:04,508 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 1, 1] [2018-07-23 13:55:04,508 INFO L414 AbstractCegarLoop]: === Iteration 119 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:04,508 INFO L82 PathProgramCache]: Analyzing trace with hash -191830068, now seen corresponding path program 118 times [2018-07-23 13:55:04,508 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:05,077 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:05,077 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:55:05,077 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:05,078 INFO L185 omatonBuilderFactory]: Interpolants [65561#true, 65563#(<= (+ main_offset 40000) main_length), 65562#false, 65565#(<= (+ main_offset 39992) main_length), 65564#(<= (+ main_offset 39996) main_length), 65567#(<= (+ main_offset 39984) main_length), 65566#(<= (+ main_offset 39988) main_length), 65569#(<= (+ main_offset 39976) main_length), 65568#(<= (+ main_offset 39980) main_length), 65571#(<= (+ main_offset 39968) main_length), 65570#(<= (+ main_offset 39972) main_length), 65573#(<= (+ main_offset 39960) main_length), 65572#(<= (+ main_offset 39964) main_length), 65575#(<= (+ main_offset 39952) main_length), 65574#(<= (+ main_offset 39956) main_length), 65577#(<= (+ main_offset 39944) main_length), 65576#(<= (+ main_offset 39948) main_length), 65579#(<= (+ main_offset 39936) main_length), 65578#(<= (+ main_offset 39940) main_length), 65581#(<= (+ main_offset 39928) main_length), 65580#(<= (+ main_offset 39932) main_length), 65583#(<= (+ main_offset 39920) main_length), 65582#(<= (+ main_offset 39924) main_length), 65585#(<= (+ main_offset 39912) main_length), 65584#(<= (+ main_offset 39916) main_length), 65587#(<= (+ main_offset 39904) main_length), 65586#(<= (+ main_offset 39908) main_length), 65589#(<= (+ main_offset 39896) main_length), 65588#(<= (+ main_offset 39900) main_length), 65591#(<= (+ main_offset 39888) main_length), 65590#(<= (+ main_offset 39892) main_length), 65593#(<= (+ main_offset 39880) main_length), 65592#(<= (+ main_offset 39884) main_length), 65595#(<= (+ main_offset 39872) main_length), 65594#(<= (+ main_offset 39876) main_length), 65597#(<= (+ main_offset 39864) main_length), 65596#(<= (+ main_offset 39868) main_length), 65599#(<= (+ main_offset 39856) main_length), 65598#(<= (+ main_offset 39860) main_length), 65601#(<= (+ main_offset 39848) main_length), 65600#(<= (+ main_offset 39852) main_length), 65603#(<= (+ main_offset 39840) main_length), 65602#(<= (+ main_offset 39844) main_length), 65605#(<= (+ main_offset 39832) main_length), 65604#(<= (+ main_offset 39836) main_length), 65607#(<= (+ main_offset 39824) main_length), 65606#(<= (+ main_offset 39828) main_length), 65609#(<= (+ main_offset 39816) main_length), 65608#(<= (+ main_offset 39820) main_length), 65611#(<= (+ main_offset 39808) main_length), 65610#(<= (+ main_offset 39812) main_length), 65613#(<= (+ main_offset 39800) main_length), 65612#(<= (+ main_offset 39804) main_length), 65615#(<= (+ main_offset 39792) main_length), 65614#(<= (+ main_offset 39796) main_length), 65617#(<= (+ main_offset 39784) main_length), 65616#(<= (+ main_offset 39788) main_length), 65619#(<= (+ main_offset 39776) main_length), 65618#(<= (+ main_offset 39780) main_length), 65621#(<= (+ main_offset 39768) main_length), 65620#(<= (+ main_offset 39772) main_length), 65623#(<= (+ main_offset 39760) main_length), 65622#(<= (+ main_offset 39764) main_length), 65625#(<= (+ main_offset 39752) main_length), 65624#(<= (+ main_offset 39756) main_length), 65627#(<= (+ main_offset 39744) main_length), 65626#(<= (+ main_offset 39748) main_length), 65629#(<= (+ main_offset 39736) main_length), 65628#(<= (+ main_offset 39740) main_length), 65631#(<= (+ main_offset 39728) main_length), 65630#(<= (+ main_offset 39732) main_length), 65633#(<= (+ main_offset 39720) main_length), 65632#(<= (+ main_offset 39724) main_length), 65635#(<= (+ main_offset 39712) main_length), 65634#(<= (+ main_offset 39716) main_length), 65637#(<= (+ main_offset 39704) main_length), 65636#(<= (+ main_offset 39708) main_length), 65639#(<= (+ main_offset 39696) main_length), 65638#(<= (+ main_offset 39700) main_length), 65641#(<= (+ main_offset 39688) main_length), 65640#(<= (+ main_offset 39692) main_length), 65643#(<= (+ main_offset 39680) main_length), 65642#(<= (+ main_offset 39684) main_length), 65645#(<= (+ main_offset 39672) main_length), 65644#(<= (+ main_offset 39676) main_length), 65647#(<= (+ main_offset 39664) main_length), 65646#(<= (+ main_offset 39668) main_length), 65649#(<= (+ main_offset 39656) main_length), 65648#(<= (+ main_offset 39660) main_length), 65651#(<= (+ main_offset 39648) main_length), 65650#(<= (+ main_offset 39652) main_length), 65653#(<= (+ main_offset 39640) main_length), 65652#(<= (+ main_offset 39644) main_length), 65655#(<= (+ main_offset 39632) main_length), 65654#(<= (+ main_offset 39636) main_length), 65657#(<= (+ main_offset 39624) main_length), 65656#(<= (+ main_offset 39628) main_length), 65659#(<= (+ main_offset 39616) main_length), 65658#(<= (+ main_offset 39620) main_length), 65661#(<= (+ main_offset 39608) main_length), 65660#(<= (+ main_offset 39612) main_length), 65663#(<= (+ main_offset 39600) main_length), 65662#(<= (+ main_offset 39604) main_length), 65665#(<= (+ main_offset 39592) main_length), 65664#(<= (+ main_offset 39596) main_length), 65667#(<= (+ main_offset 39584) main_length), 65666#(<= (+ main_offset 39588) main_length), 65669#(<= (+ main_offset 39576) main_length), 65668#(<= (+ main_offset 39580) main_length), 65671#(<= (+ main_offset 39568) main_length), 65670#(<= (+ main_offset 39572) main_length), 65673#(<= (+ main_offset 39560) main_length), 65672#(<= (+ main_offset 39564) main_length), 65675#(<= (+ main_offset 39552) main_length), 65674#(<= (+ main_offset 39556) main_length), 65677#(<= (+ main_offset 39544) main_length), 65676#(<= (+ main_offset 39548) main_length), 65679#(<= (+ main_offset 39536) main_length), 65678#(<= (+ main_offset 39540) main_length), 65681#(<= (+ main_offset 39528) main_length), 65680#(<= (+ main_offset 39532) main_length)] [2018-07-23 13:55:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:05,079 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:55:05,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:55:05,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:55:05,080 INFO L87 Difference]: Start difference. First operand 240 states and 240 transitions. Second operand 121 states. [2018-07-23 13:55:05,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:05,390 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:55:05,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:55:05,391 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 239 [2018-07-23 13:55:05,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:05,392 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:55:05,392 INFO L226 Difference]: Without dead ends: 242 [2018-07-23 13:55:05,393 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:55:05,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-07-23 13:55:05,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2018-07-23 13:55:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-07-23 13:55:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 242 transitions. [2018-07-23 13:55:05,396 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 242 transitions. Word has length 239 [2018-07-23 13:55:05,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:05,396 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 242 transitions. [2018-07-23 13:55:05,397 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:55:05,397 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 242 transitions. [2018-07-23 13:55:05,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-07-23 13:55:05,398 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:05,398 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 1, 1] [2018-07-23 13:55:05,398 INFO L414 AbstractCegarLoop]: === Iteration 120 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:05,398 INFO L82 PathProgramCache]: Analyzing trace with hash 334899470, now seen corresponding path program 119 times [2018-07-23 13:55:05,398 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:06,186 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:06,186 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:55:06,186 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:06,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:06,187 INFO L185 omatonBuilderFactory]: Interpolants [66653#false, 66652#true, 66655#(<= (+ main_offset 39996) main_length), 66654#(<= (+ main_offset 40000) main_length), 66657#(<= (+ main_offset 39988) main_length), 66656#(<= (+ main_offset 39992) main_length), 66659#(<= (+ main_offset 39980) main_length), 66658#(<= (+ main_offset 39984) main_length), 66661#(<= (+ main_offset 39972) main_length), 66660#(<= (+ main_offset 39976) main_length), 66663#(<= (+ main_offset 39964) main_length), 66662#(<= (+ main_offset 39968) main_length), 66665#(<= (+ main_offset 39956) main_length), 66664#(<= (+ main_offset 39960) main_length), 66667#(<= (+ main_offset 39948) main_length), 66666#(<= (+ main_offset 39952) main_length), 66669#(<= (+ main_offset 39940) main_length), 66668#(<= (+ main_offset 39944) main_length), 66671#(<= (+ main_offset 39932) main_length), 66670#(<= (+ main_offset 39936) main_length), 66673#(<= (+ main_offset 39924) main_length), 66672#(<= (+ main_offset 39928) main_length), 66675#(<= (+ main_offset 39916) main_length), 66674#(<= (+ main_offset 39920) main_length), 66677#(<= (+ main_offset 39908) main_length), 66676#(<= (+ main_offset 39912) main_length), 66679#(<= (+ main_offset 39900) main_length), 66678#(<= (+ main_offset 39904) main_length), 66681#(<= (+ main_offset 39892) main_length), 66680#(<= (+ main_offset 39896) main_length), 66683#(<= (+ main_offset 39884) main_length), 66682#(<= (+ main_offset 39888) main_length), 66685#(<= (+ main_offset 39876) main_length), 66684#(<= (+ main_offset 39880) main_length), 66687#(<= (+ main_offset 39868) main_length), 66686#(<= (+ main_offset 39872) main_length), 66689#(<= (+ main_offset 39860) main_length), 66688#(<= (+ main_offset 39864) main_length), 66691#(<= (+ main_offset 39852) main_length), 66690#(<= (+ main_offset 39856) main_length), 66693#(<= (+ main_offset 39844) main_length), 66692#(<= (+ main_offset 39848) main_length), 66695#(<= (+ main_offset 39836) main_length), 66694#(<= (+ main_offset 39840) main_length), 66697#(<= (+ main_offset 39828) main_length), 66696#(<= (+ main_offset 39832) main_length), 66699#(<= (+ main_offset 39820) main_length), 66698#(<= (+ main_offset 39824) main_length), 66701#(<= (+ main_offset 39812) main_length), 66700#(<= (+ main_offset 39816) main_length), 66703#(<= (+ main_offset 39804) main_length), 66702#(<= (+ main_offset 39808) main_length), 66705#(<= (+ main_offset 39796) main_length), 66704#(<= (+ main_offset 39800) main_length), 66707#(<= (+ main_offset 39788) main_length), 66706#(<= (+ main_offset 39792) main_length), 66709#(<= (+ main_offset 39780) main_length), 66708#(<= (+ main_offset 39784) main_length), 66711#(<= (+ main_offset 39772) main_length), 66710#(<= (+ main_offset 39776) main_length), 66713#(<= (+ main_offset 39764) main_length), 66712#(<= (+ main_offset 39768) main_length), 66715#(<= (+ main_offset 39756) main_length), 66714#(<= (+ main_offset 39760) main_length), 66717#(<= (+ main_offset 39748) main_length), 66716#(<= (+ main_offset 39752) main_length), 66719#(<= (+ main_offset 39740) main_length), 66718#(<= (+ main_offset 39744) main_length), 66721#(<= (+ main_offset 39732) main_length), 66720#(<= (+ main_offset 39736) main_length), 66723#(<= (+ main_offset 39724) main_length), 66722#(<= (+ main_offset 39728) main_length), 66725#(<= (+ main_offset 39716) main_length), 66724#(<= (+ main_offset 39720) main_length), 66727#(<= (+ main_offset 39708) main_length), 66726#(<= (+ main_offset 39712) main_length), 66729#(<= (+ main_offset 39700) main_length), 66728#(<= (+ main_offset 39704) main_length), 66731#(<= (+ main_offset 39692) main_length), 66730#(<= (+ main_offset 39696) main_length), 66733#(<= (+ main_offset 39684) main_length), 66732#(<= (+ main_offset 39688) main_length), 66735#(<= (+ main_offset 39676) main_length), 66734#(<= (+ main_offset 39680) main_length), 66737#(<= (+ main_offset 39668) main_length), 66736#(<= (+ main_offset 39672) main_length), 66739#(<= (+ main_offset 39660) main_length), 66738#(<= (+ main_offset 39664) main_length), 66741#(<= (+ main_offset 39652) main_length), 66740#(<= (+ main_offset 39656) main_length), 66743#(<= (+ main_offset 39644) main_length), 66742#(<= (+ main_offset 39648) main_length), 66745#(<= (+ main_offset 39636) main_length), 66744#(<= (+ main_offset 39640) main_length), 66747#(<= (+ main_offset 39628) main_length), 66746#(<= (+ main_offset 39632) main_length), 66749#(<= (+ main_offset 39620) main_length), 66748#(<= (+ main_offset 39624) main_length), 66751#(<= (+ main_offset 39612) main_length), 66750#(<= (+ main_offset 39616) main_length), 66753#(<= (+ main_offset 39604) main_length), 66752#(<= (+ main_offset 39608) main_length), 66755#(<= (+ main_offset 39596) main_length), 66754#(<= (+ main_offset 39600) main_length), 66757#(<= (+ main_offset 39588) main_length), 66756#(<= (+ main_offset 39592) main_length), 66759#(<= (+ main_offset 39580) main_length), 66758#(<= (+ main_offset 39584) main_length), 66761#(<= (+ main_offset 39572) main_length), 66760#(<= (+ main_offset 39576) main_length), 66763#(<= (+ main_offset 39564) main_length), 66762#(<= (+ main_offset 39568) main_length), 66765#(<= (+ main_offset 39556) main_length), 66764#(<= (+ main_offset 39560) main_length), 66767#(<= (+ main_offset 39548) main_length), 66766#(<= (+ main_offset 39552) main_length), 66769#(<= (+ main_offset 39540) main_length), 66768#(<= (+ main_offset 39544) main_length), 66771#(<= (+ main_offset 39532) main_length), 66770#(<= (+ main_offset 39536) main_length), 66773#(<= (+ main_offset 39524) main_length), 66772#(<= (+ main_offset 39528) main_length)] [2018-07-23 13:55:06,188 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:06,188 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:55:06,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:55:06,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:55:06,191 INFO L87 Difference]: Start difference. First operand 242 states and 242 transitions. Second operand 122 states. [2018-07-23 13:55:06,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:06,558 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:55:06,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:55:06,558 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 241 [2018-07-23 13:55:06,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:06,559 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:55:06,559 INFO L226 Difference]: Without dead ends: 244 [2018-07-23 13:55:06,560 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:55:06,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-07-23 13:55:06,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2018-07-23 13:55:06,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-07-23 13:55:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 244 transitions. [2018-07-23 13:55:06,564 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 244 transitions. Word has length 241 [2018-07-23 13:55:06,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:06,564 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 244 transitions. [2018-07-23 13:55:06,564 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:55:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 244 transitions. [2018-07-23 13:55:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-07-23 13:55:06,565 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:06,565 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 1, 1] [2018-07-23 13:55:06,565 INFO L414 AbstractCegarLoop]: === Iteration 121 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:06,565 INFO L82 PathProgramCache]: Analyzing trace with hash -284155440, now seen corresponding path program 120 times [2018-07-23 13:55:06,565 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:07,130 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:07,131 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:55:07,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:07,131 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 13:55:07,131 INFO L185 omatonBuilderFactory]: Interpolants [67841#(<= (+ main_offset 39652) main_length), 67840#(<= (+ main_offset 39656) main_length), 67843#(<= (+ main_offset 39644) main_length), 67842#(<= (+ main_offset 39648) main_length), 67845#(<= (+ main_offset 39636) main_length), 67844#(<= (+ main_offset 39640) main_length), 67847#(<= (+ main_offset 39628) main_length), 67846#(<= (+ main_offset 39632) main_length), 67849#(<= (+ main_offset 39620) main_length), 67848#(<= (+ main_offset 39624) main_length), 67851#(<= (+ main_offset 39612) main_length), 67850#(<= (+ main_offset 39616) main_length), 67853#(<= (+ main_offset 39604) main_length), 67852#(<= (+ main_offset 39608) main_length), 67855#(<= (+ main_offset 39596) main_length), 67854#(<= (+ main_offset 39600) main_length), 67857#(<= (+ main_offset 39588) main_length), 67856#(<= (+ main_offset 39592) main_length), 67859#(<= (+ main_offset 39580) main_length), 67858#(<= (+ main_offset 39584) main_length), 67861#(<= (+ main_offset 39572) main_length), 67860#(<= (+ main_offset 39576) main_length), 67863#(<= (+ main_offset 39564) main_length), 67862#(<= (+ main_offset 39568) main_length), 67865#(<= (+ main_offset 39556) main_length), 67864#(<= (+ main_offset 39560) main_length), 67867#(<= (+ main_offset 39548) main_length), 67866#(<= (+ main_offset 39552) main_length), 67869#(<= (+ main_offset 39540) main_length), 67868#(<= (+ main_offset 39544) main_length), 67871#(<= (+ main_offset 39532) main_length), 67870#(<= (+ main_offset 39536) main_length), 67873#(<= (+ main_offset 39524) main_length), 67872#(<= (+ main_offset 39528) main_length), 67874#(<= (+ main_offset 39520) main_length), 67753#false, 67752#true, 67755#(<= (+ main_offset 39996) main_length), 67754#(<= (+ main_offset 40000) main_length), 67757#(<= (+ main_offset 39988) main_length), 67756#(<= (+ main_offset 39992) main_length), 67759#(<= (+ main_offset 39980) main_length), 67758#(<= (+ main_offset 39984) main_length), 67761#(<= (+ main_offset 39972) main_length), 67760#(<= (+ main_offset 39976) main_length), 67763#(<= (+ main_offset 39964) main_length), 67762#(<= (+ main_offset 39968) main_length), 67765#(<= (+ main_offset 39956) main_length), 67764#(<= (+ main_offset 39960) main_length), 67767#(<= (+ main_offset 39948) main_length), 67766#(<= (+ main_offset 39952) main_length), 67769#(<= (+ main_offset 39940) main_length), 67768#(<= (+ main_offset 39944) main_length), 67771#(<= (+ main_offset 39932) main_length), 67770#(<= (+ main_offset 39936) main_length), 67773#(<= (+ main_offset 39924) main_length), 67772#(<= (+ main_offset 39928) main_length), 67775#(<= (+ main_offset 39916) main_length), 67774#(<= (+ main_offset 39920) main_length), 67777#(<= (+ main_offset 39908) main_length), 67776#(<= (+ main_offset 39912) main_length), 67779#(<= (+ main_offset 39900) main_length), 67778#(<= (+ main_offset 39904) main_length), 67781#(<= (+ main_offset 39892) main_length), 67780#(<= (+ main_offset 39896) main_length), 67783#(<= (+ main_offset 39884) main_length), 67782#(<= (+ main_offset 39888) main_length), 67785#(<= (+ main_offset 39876) main_length), 67784#(<= (+ main_offset 39880) main_length), 67787#(<= (+ main_offset 39868) main_length), 67786#(<= (+ main_offset 39872) main_length), 67789#(<= (+ main_offset 39860) main_length), 67788#(<= (+ main_offset 39864) main_length), 67791#(<= (+ main_offset 39852) main_length), 67790#(<= (+ main_offset 39856) main_length), 67793#(<= (+ main_offset 39844) main_length), 67792#(<= (+ main_offset 39848) main_length), 67795#(<= (+ main_offset 39836) main_length), 67794#(<= (+ main_offset 39840) main_length), 67797#(<= (+ main_offset 39828) main_length), 67796#(<= (+ main_offset 39832) main_length), 67799#(<= (+ main_offset 39820) main_length), 67798#(<= (+ main_offset 39824) main_length), 67801#(<= (+ main_offset 39812) main_length), 67800#(<= (+ main_offset 39816) main_length), 67803#(<= (+ main_offset 39804) main_length), 67802#(<= (+ main_offset 39808) main_length), 67805#(<= (+ main_offset 39796) main_length), 67804#(<= (+ main_offset 39800) main_length), 67807#(<= (+ main_offset 39788) main_length), 67806#(<= (+ main_offset 39792) main_length), 67809#(<= (+ main_offset 39780) main_length), 67808#(<= (+ main_offset 39784) main_length), 67811#(<= (+ main_offset 39772) main_length), 67810#(<= (+ main_offset 39776) main_length), 67813#(<= (+ main_offset 39764) main_length), 67812#(<= (+ main_offset 39768) main_length), 67815#(<= (+ main_offset 39756) main_length), 67814#(<= (+ main_offset 39760) main_length), 67817#(<= (+ main_offset 39748) main_length), 67816#(<= (+ main_offset 39752) main_length), 67819#(<= (+ main_offset 39740) main_length), 67818#(<= (+ main_offset 39744) main_length), 67821#(<= (+ main_offset 39732) main_length), 67820#(<= (+ main_offset 39736) main_length), 67823#(<= (+ main_offset 39724) main_length), 67822#(<= (+ main_offset 39728) main_length), 67825#(<= (+ main_offset 39716) main_length), 67824#(<= (+ main_offset 39720) main_length), 67827#(<= (+ main_offset 39708) main_length), 67826#(<= (+ main_offset 39712) main_length), 67829#(<= (+ main_offset 39700) main_length), 67828#(<= (+ main_offset 39704) main_length), 67831#(<= (+ main_offset 39692) main_length), 67830#(<= (+ main_offset 39696) main_length), 67833#(<= (+ main_offset 39684) main_length), 67832#(<= (+ main_offset 39688) main_length), 67835#(<= (+ main_offset 39676) main_length), 67834#(<= (+ main_offset 39680) main_length), 67837#(<= (+ main_offset 39668) main_length), 67836#(<= (+ main_offset 39672) main_length), 67839#(<= (+ main_offset 39660) main_length), 67838#(<= (+ main_offset 39664) main_length)] [2018-07-23 13:55:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:07,132 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:55:07,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:55:07,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:55:07,134 INFO L87 Difference]: Start difference. First operand 244 states and 244 transitions. Second operand 123 states. [2018-07-23 13:55:07,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:07,274 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:55:07,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:55:07,274 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 243 [2018-07-23 13:55:07,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:07,275 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:55:07,275 INFO L226 Difference]: Without dead ends: 246 [2018-07-23 13:55:07,276 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:55:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-07-23 13:55:07,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2018-07-23 13:55:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-07-23 13:55:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 246 transitions. [2018-07-23 13:55:07,280 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 246 transitions. Word has length 243 [2018-07-23 13:55:07,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:07,280 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 246 transitions. [2018-07-23 13:55:07,280 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:55:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 246 transitions. [2018-07-23 13:55:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-07-23 13:55:07,281 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:07,281 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 1, 1] [2018-07-23 13:55:07,281 INFO L414 AbstractCegarLoop]: === Iteration 122 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:07,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1804530194, now seen corresponding path program 121 times [2018-07-23 13:55:07,281 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:07,886 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:07,886 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:55:07,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:07,887 INFO L185 omatonBuilderFactory]: Interpolants [68865#(<= (+ main_offset 39992) main_length), 68864#(<= (+ main_offset 39996) main_length), 68867#(<= (+ main_offset 39984) main_length), 68866#(<= (+ main_offset 39988) main_length), 68869#(<= (+ main_offset 39976) main_length), 68868#(<= (+ main_offset 39980) main_length), 68871#(<= (+ main_offset 39968) main_length), 68870#(<= (+ main_offset 39972) main_length), 68873#(<= (+ main_offset 39960) main_length), 68872#(<= (+ main_offset 39964) main_length), 68875#(<= (+ main_offset 39952) main_length), 68874#(<= (+ main_offset 39956) main_length), 68877#(<= (+ main_offset 39944) main_length), 68876#(<= (+ main_offset 39948) main_length), 68879#(<= (+ main_offset 39936) main_length), 68878#(<= (+ main_offset 39940) main_length), 68881#(<= (+ main_offset 39928) main_length), 68880#(<= (+ main_offset 39932) main_length), 68883#(<= (+ main_offset 39920) main_length), 68882#(<= (+ main_offset 39924) main_length), 68885#(<= (+ main_offset 39912) main_length), 68884#(<= (+ main_offset 39916) main_length), 68887#(<= (+ main_offset 39904) main_length), 68886#(<= (+ main_offset 39908) main_length), 68889#(<= (+ main_offset 39896) main_length), 68888#(<= (+ main_offset 39900) main_length), 68891#(<= (+ main_offset 39888) main_length), 68890#(<= (+ main_offset 39892) main_length), 68893#(<= (+ main_offset 39880) main_length), 68892#(<= (+ main_offset 39884) main_length), 68895#(<= (+ main_offset 39872) main_length), 68894#(<= (+ main_offset 39876) main_length), 68897#(<= (+ main_offset 39864) main_length), 68896#(<= (+ main_offset 39868) main_length), 68899#(<= (+ main_offset 39856) main_length), 68898#(<= (+ main_offset 39860) main_length), 68901#(<= (+ main_offset 39848) main_length), 68900#(<= (+ main_offset 39852) main_length), 68903#(<= (+ main_offset 39840) main_length), 68902#(<= (+ main_offset 39844) main_length), 68905#(<= (+ main_offset 39832) main_length), 68904#(<= (+ main_offset 39836) main_length), 68907#(<= (+ main_offset 39824) main_length), 68906#(<= (+ main_offset 39828) main_length), 68909#(<= (+ main_offset 39816) main_length), 68908#(<= (+ main_offset 39820) main_length), 68911#(<= (+ main_offset 39808) main_length), 68910#(<= (+ main_offset 39812) main_length), 68913#(<= (+ main_offset 39800) main_length), 68912#(<= (+ main_offset 39804) main_length), 68915#(<= (+ main_offset 39792) main_length), 68914#(<= (+ main_offset 39796) main_length), 68917#(<= (+ main_offset 39784) main_length), 68916#(<= (+ main_offset 39788) main_length), 68919#(<= (+ main_offset 39776) main_length), 68918#(<= (+ main_offset 39780) main_length), 68921#(<= (+ main_offset 39768) main_length), 68920#(<= (+ main_offset 39772) main_length), 68923#(<= (+ main_offset 39760) main_length), 68922#(<= (+ main_offset 39764) main_length), 68925#(<= (+ main_offset 39752) main_length), 68924#(<= (+ main_offset 39756) main_length), 68927#(<= (+ main_offset 39744) main_length), 68926#(<= (+ main_offset 39748) main_length), 68929#(<= (+ main_offset 39736) main_length), 68928#(<= (+ main_offset 39740) main_length), 68931#(<= (+ main_offset 39728) main_length), 68930#(<= (+ main_offset 39732) main_length), 68933#(<= (+ main_offset 39720) main_length), 68932#(<= (+ main_offset 39724) main_length), 68935#(<= (+ main_offset 39712) main_length), 68934#(<= (+ main_offset 39716) main_length), 68937#(<= (+ main_offset 39704) main_length), 68936#(<= (+ main_offset 39708) main_length), 68939#(<= (+ main_offset 39696) main_length), 68938#(<= (+ main_offset 39700) main_length), 68941#(<= (+ main_offset 39688) main_length), 68940#(<= (+ main_offset 39692) main_length), 68943#(<= (+ main_offset 39680) main_length), 68942#(<= (+ main_offset 39684) main_length), 68945#(<= (+ main_offset 39672) main_length), 68944#(<= (+ main_offset 39676) main_length), 68947#(<= (+ main_offset 39664) main_length), 68946#(<= (+ main_offset 39668) main_length), 68949#(<= (+ main_offset 39656) main_length), 68948#(<= (+ main_offset 39660) main_length), 68951#(<= (+ main_offset 39648) main_length), 68950#(<= (+ main_offset 39652) main_length), 68953#(<= (+ main_offset 39640) main_length), 68952#(<= (+ main_offset 39644) main_length), 68955#(<= (+ main_offset 39632) main_length), 68954#(<= (+ main_offset 39636) main_length), 68957#(<= (+ main_offset 39624) main_length), 68956#(<= (+ main_offset 39628) main_length), 68959#(<= (+ main_offset 39616) main_length), 68958#(<= (+ main_offset 39620) main_length), 68961#(<= (+ main_offset 39608) main_length), 68960#(<= (+ main_offset 39612) main_length), 68963#(<= (+ main_offset 39600) main_length), 68962#(<= (+ main_offset 39604) main_length), 68965#(<= (+ main_offset 39592) main_length), 68964#(<= (+ main_offset 39596) main_length), 68967#(<= (+ main_offset 39584) main_length), 68966#(<= (+ main_offset 39588) main_length), 68969#(<= (+ main_offset 39576) main_length), 68968#(<= (+ main_offset 39580) main_length), 68971#(<= (+ main_offset 39568) main_length), 68970#(<= (+ main_offset 39572) main_length), 68973#(<= (+ main_offset 39560) main_length), 68972#(<= (+ main_offset 39564) main_length), 68975#(<= (+ main_offset 39552) main_length), 68974#(<= (+ main_offset 39556) main_length), 68977#(<= (+ main_offset 39544) main_length), 68976#(<= (+ main_offset 39548) main_length), 68979#(<= (+ main_offset 39536) main_length), 68978#(<= (+ main_offset 39540) main_length), 68981#(<= (+ main_offset 39528) main_length), 68980#(<= (+ main_offset 39532) main_length), 68983#(<= (+ main_offset 39520) main_length), 68982#(<= (+ main_offset 39524) main_length), 68984#(<= (+ main_offset 39516) main_length), 68861#true, 68863#(<= (+ main_offset 40000) main_length), 68862#false] [2018-07-23 13:55:07,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:07,888 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:55:07,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:55:07,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:55:07,890 INFO L87 Difference]: Start difference. First operand 246 states and 246 transitions. Second operand 124 states. [2018-07-23 13:55:08,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:08,224 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:55:08,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:55:08,224 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 245 [2018-07-23 13:55:08,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:08,224 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:55:08,225 INFO L226 Difference]: Without dead ends: 248 [2018-07-23 13:55:08,226 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:55:08,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-07-23 13:55:08,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2018-07-23 13:55:08,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-07-23 13:55:08,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2018-07-23 13:55:08,231 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 245 [2018-07-23 13:55:08,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:08,231 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2018-07-23 13:55:08,231 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:55:08,231 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2018-07-23 13:55:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-07-23 13:55:08,232 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:08,232 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 1, 1] [2018-07-23 13:55:08,233 INFO L414 AbstractCegarLoop]: === Iteration 123 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:08,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1013270060, now seen corresponding path program 122 times [2018-07-23 13:55:08,233 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:08,850 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:08,850 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:55:08,850 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:08,851 INFO L185 omatonBuilderFactory]: Interpolants [69979#true, 69981#(<= (+ main_offset 40000) main_length), 69980#false, 69983#(<= (+ main_offset 39992) main_length), 69982#(<= (+ main_offset 39996) main_length), 69985#(<= (+ main_offset 39984) main_length), 69984#(<= (+ main_offset 39988) main_length), 69987#(<= (+ main_offset 39976) main_length), 69986#(<= (+ main_offset 39980) main_length), 69989#(<= (+ main_offset 39968) main_length), 69988#(<= (+ main_offset 39972) main_length), 69991#(<= (+ main_offset 39960) main_length), 69990#(<= (+ main_offset 39964) main_length), 69993#(<= (+ main_offset 39952) main_length), 69992#(<= (+ main_offset 39956) main_length), 69995#(<= (+ main_offset 39944) main_length), 69994#(<= (+ main_offset 39948) main_length), 69997#(<= (+ main_offset 39936) main_length), 69996#(<= (+ main_offset 39940) main_length), 69999#(<= (+ main_offset 39928) main_length), 69998#(<= (+ main_offset 39932) main_length), 70001#(<= (+ main_offset 39920) main_length), 70000#(<= (+ main_offset 39924) main_length), 70003#(<= (+ main_offset 39912) main_length), 70002#(<= (+ main_offset 39916) main_length), 70005#(<= (+ main_offset 39904) main_length), 70004#(<= (+ main_offset 39908) main_length), 70007#(<= (+ main_offset 39896) main_length), 70006#(<= (+ main_offset 39900) main_length), 70009#(<= (+ main_offset 39888) main_length), 70008#(<= (+ main_offset 39892) main_length), 70011#(<= (+ main_offset 39880) main_length), 70010#(<= (+ main_offset 39884) main_length), 70013#(<= (+ main_offset 39872) main_length), 70012#(<= (+ main_offset 39876) main_length), 70015#(<= (+ main_offset 39864) main_length), 70014#(<= (+ main_offset 39868) main_length), 70017#(<= (+ main_offset 39856) main_length), 70016#(<= (+ main_offset 39860) main_length), 70019#(<= (+ main_offset 39848) main_length), 70018#(<= (+ main_offset 39852) main_length), 70021#(<= (+ main_offset 39840) main_length), 70020#(<= (+ main_offset 39844) main_length), 70023#(<= (+ main_offset 39832) main_length), 70022#(<= (+ main_offset 39836) main_length), 70025#(<= (+ main_offset 39824) main_length), 70024#(<= (+ main_offset 39828) main_length), 70027#(<= (+ main_offset 39816) main_length), 70026#(<= (+ main_offset 39820) main_length), 70029#(<= (+ main_offset 39808) main_length), 70028#(<= (+ main_offset 39812) main_length), 70031#(<= (+ main_offset 39800) main_length), 70030#(<= (+ main_offset 39804) main_length), 70033#(<= (+ main_offset 39792) main_length), 70032#(<= (+ main_offset 39796) main_length), 70035#(<= (+ main_offset 39784) main_length), 70034#(<= (+ main_offset 39788) main_length), 70037#(<= (+ main_offset 39776) main_length), 70036#(<= (+ main_offset 39780) main_length), 70039#(<= (+ main_offset 39768) main_length), 70038#(<= (+ main_offset 39772) main_length), 70041#(<= (+ main_offset 39760) main_length), 70040#(<= (+ main_offset 39764) main_length), 70043#(<= (+ main_offset 39752) main_length), 70042#(<= (+ main_offset 39756) main_length), 70045#(<= (+ main_offset 39744) main_length), 70044#(<= (+ main_offset 39748) main_length), 70047#(<= (+ main_offset 39736) main_length), 70046#(<= (+ main_offset 39740) main_length), 70049#(<= (+ main_offset 39728) main_length), 70048#(<= (+ main_offset 39732) main_length), 70051#(<= (+ main_offset 39720) main_length), 70050#(<= (+ main_offset 39724) main_length), 70053#(<= (+ main_offset 39712) main_length), 70052#(<= (+ main_offset 39716) main_length), 70055#(<= (+ main_offset 39704) main_length), 70054#(<= (+ main_offset 39708) main_length), 70057#(<= (+ main_offset 39696) main_length), 70056#(<= (+ main_offset 39700) main_length), 70059#(<= (+ main_offset 39688) main_length), 70058#(<= (+ main_offset 39692) main_length), 70061#(<= (+ main_offset 39680) main_length), 70060#(<= (+ main_offset 39684) main_length), 70063#(<= (+ main_offset 39672) main_length), 70062#(<= (+ main_offset 39676) main_length), 70065#(<= (+ main_offset 39664) main_length), 70064#(<= (+ main_offset 39668) main_length), 70067#(<= (+ main_offset 39656) main_length), 70066#(<= (+ main_offset 39660) main_length), 70069#(<= (+ main_offset 39648) main_length), 70068#(<= (+ main_offset 39652) main_length), 70071#(<= (+ main_offset 39640) main_length), 70070#(<= (+ main_offset 39644) main_length), 70073#(<= (+ main_offset 39632) main_length), 70072#(<= (+ main_offset 39636) main_length), 70075#(<= (+ main_offset 39624) main_length), 70074#(<= (+ main_offset 39628) main_length), 70077#(<= (+ main_offset 39616) main_length), 70076#(<= (+ main_offset 39620) main_length), 70079#(<= (+ main_offset 39608) main_length), 70078#(<= (+ main_offset 39612) main_length), 70081#(<= (+ main_offset 39600) main_length), 70080#(<= (+ main_offset 39604) main_length), 70083#(<= (+ main_offset 39592) main_length), 70082#(<= (+ main_offset 39596) main_length), 70085#(<= (+ main_offset 39584) main_length), 70084#(<= (+ main_offset 39588) main_length), 70087#(<= (+ main_offset 39576) main_length), 70086#(<= (+ main_offset 39580) main_length), 70089#(<= (+ main_offset 39568) main_length), 70088#(<= (+ main_offset 39572) main_length), 70091#(<= (+ main_offset 39560) main_length), 70090#(<= (+ main_offset 39564) main_length), 70093#(<= (+ main_offset 39552) main_length), 70092#(<= (+ main_offset 39556) main_length), 70095#(<= (+ main_offset 39544) main_length), 70094#(<= (+ main_offset 39548) main_length), 70097#(<= (+ main_offset 39536) main_length), 70096#(<= (+ main_offset 39540) main_length), 70099#(<= (+ main_offset 39528) main_length), 70098#(<= (+ main_offset 39532) main_length), 70101#(<= (+ main_offset 39520) main_length), 70100#(<= (+ main_offset 39524) main_length), 70103#(<= (+ main_offset 39512) main_length), 70102#(<= (+ main_offset 39516) main_length)] [2018-07-23 13:55:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:08,852 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:55:08,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:55:08,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:55:08,854 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand 125 states. [2018-07-23 13:55:09,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:09,136 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:55:09,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:55:09,136 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 247 [2018-07-23 13:55:09,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:09,137 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:55:09,137 INFO L226 Difference]: Without dead ends: 250 [2018-07-23 13:55:09,138 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:55:09,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-07-23 13:55:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2018-07-23 13:55:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-07-23 13:55:09,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2018-07-23 13:55:09,141 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 247 [2018-07-23 13:55:09,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:09,142 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2018-07-23 13:55:09,142 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:55:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2018-07-23 13:55:09,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-07-23 13:55:09,143 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:09,143 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 1, 1] [2018-07-23 13:55:09,143 INFO L414 AbstractCegarLoop]: === Iteration 124 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:09,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1205049622, now seen corresponding path program 123 times [2018-07-23 13:55:09,143 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:09,711 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:09,711 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:55:09,712 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:09,712 INFO L185 omatonBuilderFactory]: Interpolants [71169#(<= (+ main_offset 39756) main_length), 71168#(<= (+ main_offset 39760) main_length), 71171#(<= (+ main_offset 39748) main_length), 71170#(<= (+ main_offset 39752) main_length), 71173#(<= (+ main_offset 39740) main_length), 71172#(<= (+ main_offset 39744) main_length), 71175#(<= (+ main_offset 39732) main_length), 71174#(<= (+ main_offset 39736) main_length), 71177#(<= (+ main_offset 39724) main_length), 71176#(<= (+ main_offset 39728) main_length), 71179#(<= (+ main_offset 39716) main_length), 71178#(<= (+ main_offset 39720) main_length), 71181#(<= (+ main_offset 39708) main_length), 71180#(<= (+ main_offset 39712) main_length), 71183#(<= (+ main_offset 39700) main_length), 71182#(<= (+ main_offset 39704) main_length), 71185#(<= (+ main_offset 39692) main_length), 71184#(<= (+ main_offset 39696) main_length), 71187#(<= (+ main_offset 39684) main_length), 71186#(<= (+ main_offset 39688) main_length), 71189#(<= (+ main_offset 39676) main_length), 71188#(<= (+ main_offset 39680) main_length), 71191#(<= (+ main_offset 39668) main_length), 71190#(<= (+ main_offset 39672) main_length), 71193#(<= (+ main_offset 39660) main_length), 71192#(<= (+ main_offset 39664) main_length), 71195#(<= (+ main_offset 39652) main_length), 71194#(<= (+ main_offset 39656) main_length), 71197#(<= (+ main_offset 39644) main_length), 71196#(<= (+ main_offset 39648) main_length), 71199#(<= (+ main_offset 39636) main_length), 71198#(<= (+ main_offset 39640) main_length), 71201#(<= (+ main_offset 39628) main_length), 71200#(<= (+ main_offset 39632) main_length), 71203#(<= (+ main_offset 39620) main_length), 71202#(<= (+ main_offset 39624) main_length), 71205#(<= (+ main_offset 39612) main_length), 71204#(<= (+ main_offset 39616) main_length), 71207#(<= (+ main_offset 39604) main_length), 71206#(<= (+ main_offset 39608) main_length), 71209#(<= (+ main_offset 39596) main_length), 71208#(<= (+ main_offset 39600) main_length), 71211#(<= (+ main_offset 39588) main_length), 71210#(<= (+ main_offset 39592) main_length), 71213#(<= (+ main_offset 39580) main_length), 71212#(<= (+ main_offset 39584) main_length), 71215#(<= (+ main_offset 39572) main_length), 71214#(<= (+ main_offset 39576) main_length), 71217#(<= (+ main_offset 39564) main_length), 71216#(<= (+ main_offset 39568) main_length), 71219#(<= (+ main_offset 39556) main_length), 71218#(<= (+ main_offset 39560) main_length), 71221#(<= (+ main_offset 39548) main_length), 71220#(<= (+ main_offset 39552) main_length), 71223#(<= (+ main_offset 39540) main_length), 71222#(<= (+ main_offset 39544) main_length), 71225#(<= (+ main_offset 39532) main_length), 71224#(<= (+ main_offset 39536) main_length), 71227#(<= (+ main_offset 39524) main_length), 71226#(<= (+ main_offset 39528) main_length), 71229#(<= (+ main_offset 39516) main_length), 71228#(<= (+ main_offset 39520) main_length), 71231#(<= (+ main_offset 39508) main_length), 71230#(<= (+ main_offset 39512) main_length), 71107#false, 71106#true, 71109#(<= (+ main_offset 39996) main_length), 71108#(<= (+ main_offset 40000) main_length), 71111#(<= (+ main_offset 39988) main_length), 71110#(<= (+ main_offset 39992) main_length), 71113#(<= (+ main_offset 39980) main_length), 71112#(<= (+ main_offset 39984) main_length), 71115#(<= (+ main_offset 39972) main_length), 71114#(<= (+ main_offset 39976) main_length), 71117#(<= (+ main_offset 39964) main_length), 71116#(<= (+ main_offset 39968) main_length), 71119#(<= (+ main_offset 39956) main_length), 71118#(<= (+ main_offset 39960) main_length), 71121#(<= (+ main_offset 39948) main_length), 71120#(<= (+ main_offset 39952) main_length), 71123#(<= (+ main_offset 39940) main_length), 71122#(<= (+ main_offset 39944) main_length), 71125#(<= (+ main_offset 39932) main_length), 71124#(<= (+ main_offset 39936) main_length), 71127#(<= (+ main_offset 39924) main_length), 71126#(<= (+ main_offset 39928) main_length), 71129#(<= (+ main_offset 39916) main_length), 71128#(<= (+ main_offset 39920) main_length), 71131#(<= (+ main_offset 39908) main_length), 71130#(<= (+ main_offset 39912) main_length), 71133#(<= (+ main_offset 39900) main_length), 71132#(<= (+ main_offset 39904) main_length), 71135#(<= (+ main_offset 39892) main_length), 71134#(<= (+ main_offset 39896) main_length), 71137#(<= (+ main_offset 39884) main_length), 71136#(<= (+ main_offset 39888) main_length), 71139#(<= (+ main_offset 39876) main_length), 71138#(<= (+ main_offset 39880) main_length), 71141#(<= (+ main_offset 39868) main_length), 71140#(<= (+ main_offset 39872) main_length), 71143#(<= (+ main_offset 39860) main_length), 71142#(<= (+ main_offset 39864) main_length), 71145#(<= (+ main_offset 39852) main_length), 71144#(<= (+ main_offset 39856) main_length), 71147#(<= (+ main_offset 39844) main_length), 71146#(<= (+ main_offset 39848) main_length), 71149#(<= (+ main_offset 39836) main_length), 71148#(<= (+ main_offset 39840) main_length), 71151#(<= (+ main_offset 39828) main_length), 71150#(<= (+ main_offset 39832) main_length), 71153#(<= (+ main_offset 39820) main_length), 71152#(<= (+ main_offset 39824) main_length), 71155#(<= (+ main_offset 39812) main_length), 71154#(<= (+ main_offset 39816) main_length), 71157#(<= (+ main_offset 39804) main_length), 71156#(<= (+ main_offset 39808) main_length), 71159#(<= (+ main_offset 39796) main_length), 71158#(<= (+ main_offset 39800) main_length), 71161#(<= (+ main_offset 39788) main_length), 71160#(<= (+ main_offset 39792) main_length), 71163#(<= (+ main_offset 39780) main_length), 71162#(<= (+ main_offset 39784) main_length), 71165#(<= (+ main_offset 39772) main_length), 71164#(<= (+ main_offset 39776) main_length), 71167#(<= (+ main_offset 39764) main_length), 71166#(<= (+ main_offset 39768) main_length)] [2018-07-23 13:55:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:09,713 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:55:09,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:55:09,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:55:09,715 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand 126 states. [2018-07-23 13:55:09,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:09,855 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:55:09,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:55:09,855 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 249 [2018-07-23 13:55:09,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:09,856 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:55:09,856 INFO L226 Difference]: Without dead ends: 252 [2018-07-23 13:55:09,857 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:55:09,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-07-23 13:55:09,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2018-07-23 13:55:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-07-23 13:55:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 252 transitions. [2018-07-23 13:55:09,861 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 252 transitions. Word has length 249 [2018-07-23 13:55:09,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:09,861 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 252 transitions. [2018-07-23 13:55:09,861 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:55:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 252 transitions. [2018-07-23 13:55:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-07-23 13:55:09,862 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:09,862 INFO L357 BasicCegarLoop]: trace histogram [125, 124, 1, 1] [2018-07-23 13:55:09,862 INFO L414 AbstractCegarLoop]: === Iteration 125 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:09,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1588482088, now seen corresponding path program 124 times [2018-07-23 13:55:09,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:10,462 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:10,462 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:55:10,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:10,463 INFO L185 omatonBuilderFactory]: Interpolants [72243#false, 72242#true, 72245#(<= (+ main_offset 39996) main_length), 72244#(<= (+ main_offset 40000) main_length), 72247#(<= (+ main_offset 39988) main_length), 72246#(<= (+ main_offset 39992) main_length), 72249#(<= (+ main_offset 39980) main_length), 72248#(<= (+ main_offset 39984) main_length), 72251#(<= (+ main_offset 39972) main_length), 72250#(<= (+ main_offset 39976) main_length), 72253#(<= (+ main_offset 39964) main_length), 72252#(<= (+ main_offset 39968) main_length), 72255#(<= (+ main_offset 39956) main_length), 72254#(<= (+ main_offset 39960) main_length), 72257#(<= (+ main_offset 39948) main_length), 72256#(<= (+ main_offset 39952) main_length), 72259#(<= (+ main_offset 39940) main_length), 72258#(<= (+ main_offset 39944) main_length), 72261#(<= (+ main_offset 39932) main_length), 72260#(<= (+ main_offset 39936) main_length), 72263#(<= (+ main_offset 39924) main_length), 72262#(<= (+ main_offset 39928) main_length), 72265#(<= (+ main_offset 39916) main_length), 72264#(<= (+ main_offset 39920) main_length), 72267#(<= (+ main_offset 39908) main_length), 72266#(<= (+ main_offset 39912) main_length), 72269#(<= (+ main_offset 39900) main_length), 72268#(<= (+ main_offset 39904) main_length), 72271#(<= (+ main_offset 39892) main_length), 72270#(<= (+ main_offset 39896) main_length), 72273#(<= (+ main_offset 39884) main_length), 72272#(<= (+ main_offset 39888) main_length), 72275#(<= (+ main_offset 39876) main_length), 72274#(<= (+ main_offset 39880) main_length), 72277#(<= (+ main_offset 39868) main_length), 72276#(<= (+ main_offset 39872) main_length), 72279#(<= (+ main_offset 39860) main_length), 72278#(<= (+ main_offset 39864) main_length), 72281#(<= (+ main_offset 39852) main_length), 72280#(<= (+ main_offset 39856) main_length), 72283#(<= (+ main_offset 39844) main_length), 72282#(<= (+ main_offset 39848) main_length), 72285#(<= (+ main_offset 39836) main_length), 72284#(<= (+ main_offset 39840) main_length), 72287#(<= (+ main_offset 39828) main_length), 72286#(<= (+ main_offset 39832) main_length), 72289#(<= (+ main_offset 39820) main_length), 72288#(<= (+ main_offset 39824) main_length), 72291#(<= (+ main_offset 39812) main_length), 72290#(<= (+ main_offset 39816) main_length), 72293#(<= (+ main_offset 39804) main_length), 72292#(<= (+ main_offset 39808) main_length), 72295#(<= (+ main_offset 39796) main_length), 72294#(<= (+ main_offset 39800) main_length), 72297#(<= (+ main_offset 39788) main_length), 72296#(<= (+ main_offset 39792) main_length), 72299#(<= (+ main_offset 39780) main_length), 72298#(<= (+ main_offset 39784) main_length), 72301#(<= (+ main_offset 39772) main_length), 72300#(<= (+ main_offset 39776) main_length), 72303#(<= (+ main_offset 39764) main_length), 72302#(<= (+ main_offset 39768) main_length), 72305#(<= (+ main_offset 39756) main_length), 72304#(<= (+ main_offset 39760) main_length), 72307#(<= (+ main_offset 39748) main_length), 72306#(<= (+ main_offset 39752) main_length), 72309#(<= (+ main_offset 39740) main_length), 72308#(<= (+ main_offset 39744) main_length), 72311#(<= (+ main_offset 39732) main_length), 72310#(<= (+ main_offset 39736) main_length), 72313#(<= (+ main_offset 39724) main_length), 72312#(<= (+ main_offset 39728) main_length), 72315#(<= (+ main_offset 39716) main_length), 72314#(<= (+ main_offset 39720) main_length), 72317#(<= (+ main_offset 39708) main_length), 72316#(<= (+ main_offset 39712) main_length), 72319#(<= (+ main_offset 39700) main_length), 72318#(<= (+ main_offset 39704) main_length), 72321#(<= (+ main_offset 39692) main_length), 72320#(<= (+ main_offset 39696) main_length), 72323#(<= (+ main_offset 39684) main_length), 72322#(<= (+ main_offset 39688) main_length), 72325#(<= (+ main_offset 39676) main_length), 72324#(<= (+ main_offset 39680) main_length), 72327#(<= (+ main_offset 39668) main_length), 72326#(<= (+ main_offset 39672) main_length), 72329#(<= (+ main_offset 39660) main_length), 72328#(<= (+ main_offset 39664) main_length), 72331#(<= (+ main_offset 39652) main_length), 72330#(<= (+ main_offset 39656) main_length), 72333#(<= (+ main_offset 39644) main_length), 72332#(<= (+ main_offset 39648) main_length), 72335#(<= (+ main_offset 39636) main_length), 72334#(<= (+ main_offset 39640) main_length), 72337#(<= (+ main_offset 39628) main_length), 72336#(<= (+ main_offset 39632) main_length), 72339#(<= (+ main_offset 39620) main_length), 72338#(<= (+ main_offset 39624) main_length), 72341#(<= (+ main_offset 39612) main_length), 72340#(<= (+ main_offset 39616) main_length), 72343#(<= (+ main_offset 39604) main_length), 72342#(<= (+ main_offset 39608) main_length), 72345#(<= (+ main_offset 39596) main_length), 72344#(<= (+ main_offset 39600) main_length), 72347#(<= (+ main_offset 39588) main_length), 72346#(<= (+ main_offset 39592) main_length), 72349#(<= (+ main_offset 39580) main_length), 72348#(<= (+ main_offset 39584) main_length), 72351#(<= (+ main_offset 39572) main_length), 72350#(<= (+ main_offset 39576) main_length), 72353#(<= (+ main_offset 39564) main_length), 72352#(<= (+ main_offset 39568) main_length), 72355#(<= (+ main_offset 39556) main_length), 72354#(<= (+ main_offset 39560) main_length), 72357#(<= (+ main_offset 39548) main_length), 72356#(<= (+ main_offset 39552) main_length), 72359#(<= (+ main_offset 39540) main_length), 72358#(<= (+ main_offset 39544) main_length), 72361#(<= (+ main_offset 39532) main_length), 72360#(<= (+ main_offset 39536) main_length), 72363#(<= (+ main_offset 39524) main_length), 72362#(<= (+ main_offset 39528) main_length), 72365#(<= (+ main_offset 39516) main_length), 72364#(<= (+ main_offset 39520) main_length), 72367#(<= (+ main_offset 39508) main_length), 72366#(<= (+ main_offset 39512) main_length), 72368#(<= (+ main_offset 39504) main_length)] [2018-07-23 13:55:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:10,464 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:55:10,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:55:10,467 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:55:10,467 INFO L87 Difference]: Start difference. First operand 252 states and 252 transitions. Second operand 127 states. [2018-07-23 13:55:10,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:10,754 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:55:10,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:55:10,754 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 251 [2018-07-23 13:55:10,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:10,755 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:55:10,755 INFO L226 Difference]: Without dead ends: 254 [2018-07-23 13:55:10,756 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:55:10,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-07-23 13:55:10,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2018-07-23 13:55:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-07-23 13:55:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 254 transitions. [2018-07-23 13:55:10,762 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 254 transitions. Word has length 251 [2018-07-23 13:55:10,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:10,763 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 254 transitions. [2018-07-23 13:55:10,763 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:55:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 254 transitions. [2018-07-23 13:55:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-07-23 13:55:10,764 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:10,764 INFO L357 BasicCegarLoop]: trace histogram [126, 125, 1, 1] [2018-07-23 13:55:10,764 INFO L414 AbstractCegarLoop]: === Iteration 126 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:10,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1817895398, now seen corresponding path program 125 times [2018-07-23 13:55:10,765 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:11,417 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:11,418 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:55:11,418 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:11,418 INFO L185 omatonBuilderFactory]: Interpolants [73473#(<= (+ main_offset 39664) main_length), 73472#(<= (+ main_offset 39668) main_length), 73475#(<= (+ main_offset 39656) main_length), 73474#(<= (+ main_offset 39660) main_length), 73477#(<= (+ main_offset 39648) main_length), 73476#(<= (+ main_offset 39652) main_length), 73479#(<= (+ main_offset 39640) main_length), 73478#(<= (+ main_offset 39644) main_length), 73481#(<= (+ main_offset 39632) main_length), 73480#(<= (+ main_offset 39636) main_length), 73483#(<= (+ main_offset 39624) main_length), 73482#(<= (+ main_offset 39628) main_length), 73485#(<= (+ main_offset 39616) main_length), 73484#(<= (+ main_offset 39620) main_length), 73487#(<= (+ main_offset 39608) main_length), 73486#(<= (+ main_offset 39612) main_length), 73489#(<= (+ main_offset 39600) main_length), 73488#(<= (+ main_offset 39604) main_length), 73491#(<= (+ main_offset 39592) main_length), 73490#(<= (+ main_offset 39596) main_length), 73493#(<= (+ main_offset 39584) main_length), 73492#(<= (+ main_offset 39588) main_length), 73495#(<= (+ main_offset 39576) main_length), 73494#(<= (+ main_offset 39580) main_length), 73497#(<= (+ main_offset 39568) main_length), 73496#(<= (+ main_offset 39572) main_length), 73499#(<= (+ main_offset 39560) main_length), 73498#(<= (+ main_offset 39564) main_length), 73501#(<= (+ main_offset 39552) main_length), 73500#(<= (+ main_offset 39556) main_length), 73503#(<= (+ main_offset 39544) main_length), 73502#(<= (+ main_offset 39548) main_length), 73505#(<= (+ main_offset 39536) main_length), 73504#(<= (+ main_offset 39540) main_length), 73507#(<= (+ main_offset 39528) main_length), 73506#(<= (+ main_offset 39532) main_length), 73509#(<= (+ main_offset 39520) main_length), 73508#(<= (+ main_offset 39524) main_length), 73511#(<= (+ main_offset 39512) main_length), 73510#(<= (+ main_offset 39516) main_length), 73513#(<= (+ main_offset 39504) main_length), 73512#(<= (+ main_offset 39508) main_length), 73514#(<= (+ main_offset 39500) main_length), 73387#true, 73389#(<= (+ main_offset 40000) main_length), 73388#false, 73391#(<= (+ main_offset 39992) main_length), 73390#(<= (+ main_offset 39996) main_length), 73393#(<= (+ main_offset 39984) main_length), 73392#(<= (+ main_offset 39988) main_length), 73395#(<= (+ main_offset 39976) main_length), 73394#(<= (+ main_offset 39980) main_length), 73397#(<= (+ main_offset 39968) main_length), 73396#(<= (+ main_offset 39972) main_length), 73399#(<= (+ main_offset 39960) main_length), 73398#(<= (+ main_offset 39964) main_length), 73401#(<= (+ main_offset 39952) main_length), 73400#(<= (+ main_offset 39956) main_length), 73403#(<= (+ main_offset 39944) main_length), 73402#(<= (+ main_offset 39948) main_length), 73405#(<= (+ main_offset 39936) main_length), 73404#(<= (+ main_offset 39940) main_length), 73407#(<= (+ main_offset 39928) main_length), 73406#(<= (+ main_offset 39932) main_length), 73409#(<= (+ main_offset 39920) main_length), 73408#(<= (+ main_offset 39924) main_length), 73411#(<= (+ main_offset 39912) main_length), 73410#(<= (+ main_offset 39916) main_length), 73413#(<= (+ main_offset 39904) main_length), 73412#(<= (+ main_offset 39908) main_length), 73415#(<= (+ main_offset 39896) main_length), 73414#(<= (+ main_offset 39900) main_length), 73417#(<= (+ main_offset 39888) main_length), 73416#(<= (+ main_offset 39892) main_length), 73419#(<= (+ main_offset 39880) main_length), 73418#(<= (+ main_offset 39884) main_length), 73421#(<= (+ main_offset 39872) main_length), 73420#(<= (+ main_offset 39876) main_length), 73423#(<= (+ main_offset 39864) main_length), 73422#(<= (+ main_offset 39868) main_length), 73425#(<= (+ main_offset 39856) main_length), 73424#(<= (+ main_offset 39860) main_length), 73427#(<= (+ main_offset 39848) main_length), 73426#(<= (+ main_offset 39852) main_length), 73429#(<= (+ main_offset 39840) main_length), 73428#(<= (+ main_offset 39844) main_length), 73431#(<= (+ main_offset 39832) main_length), 73430#(<= (+ main_offset 39836) main_length), 73433#(<= (+ main_offset 39824) main_length), 73432#(<= (+ main_offset 39828) main_length), 73435#(<= (+ main_offset 39816) main_length), 73434#(<= (+ main_offset 39820) main_length), 73437#(<= (+ main_offset 39808) main_length), 73436#(<= (+ main_offset 39812) main_length), 73439#(<= (+ main_offset 39800) main_length), 73438#(<= (+ main_offset 39804) main_length), 73441#(<= (+ main_offset 39792) main_length), 73440#(<= (+ main_offset 39796) main_length), 73443#(<= (+ main_offset 39784) main_length), 73442#(<= (+ main_offset 39788) main_length), 73445#(<= (+ main_offset 39776) main_length), 73444#(<= (+ main_offset 39780) main_length), 73447#(<= (+ main_offset 39768) main_length), 73446#(<= (+ main_offset 39772) main_length), 73449#(<= (+ main_offset 39760) main_length), 73448#(<= (+ main_offset 39764) main_length), 73451#(<= (+ main_offset 39752) main_length), 73450#(<= (+ main_offset 39756) main_length), 73453#(<= (+ main_offset 39744) main_length), 73452#(<= (+ main_offset 39748) main_length), 73455#(<= (+ main_offset 39736) main_length), 73454#(<= (+ main_offset 39740) main_length), 73457#(<= (+ main_offset 39728) main_length), 73456#(<= (+ main_offset 39732) main_length), 73459#(<= (+ main_offset 39720) main_length), 73458#(<= (+ main_offset 39724) main_length), 73461#(<= (+ main_offset 39712) main_length), 73460#(<= (+ main_offset 39716) main_length), 73463#(<= (+ main_offset 39704) main_length), 73462#(<= (+ main_offset 39708) main_length), 73465#(<= (+ main_offset 39696) main_length), 73464#(<= (+ main_offset 39700) main_length), 73467#(<= (+ main_offset 39688) main_length), 73466#(<= (+ main_offset 39692) main_length), 73469#(<= (+ main_offset 39680) main_length), 73468#(<= (+ main_offset 39684) main_length), 73471#(<= (+ main_offset 39672) main_length), 73470#(<= (+ main_offset 39676) main_length)] [2018-07-23 13:55:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:11,419 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:55:11,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:55:11,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:55:11,422 INFO L87 Difference]: Start difference. First operand 254 states and 254 transitions. Second operand 128 states. [2018-07-23 13:55:11,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:11,565 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:55:11,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:55:11,565 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 253 [2018-07-23 13:55:11,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:11,566 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:55:11,566 INFO L226 Difference]: Without dead ends: 256 [2018-07-23 13:55:11,567 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:55:11,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-07-23 13:55:11,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2018-07-23 13:55:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-07-23 13:55:11,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 256 transitions. [2018-07-23 13:55:11,572 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 256 transitions. Word has length 253 [2018-07-23 13:55:11,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:11,573 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 256 transitions. [2018-07-23 13:55:11,573 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:55:11,573 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 256 transitions. [2018-07-23 13:55:11,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-07-23 13:55:11,574 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:11,574 INFO L357 BasicCegarLoop]: trace histogram [127, 126, 1, 1] [2018-07-23 13:55:11,574 INFO L414 AbstractCegarLoop]: === Iteration 127 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:11,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1054213084, now seen corresponding path program 126 times [2018-07-23 13:55:11,575 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:12,360 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:12,360 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:55:12,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:12,361 INFO L185 omatonBuilderFactory]: Interpolants [74541#true, 74543#(<= (+ main_offset 40000) main_length), 74542#false, 74545#(<= (+ main_offset 39992) main_length), 74544#(<= (+ main_offset 39996) main_length), 74547#(<= (+ main_offset 39984) main_length), 74546#(<= (+ main_offset 39988) main_length), 74549#(<= (+ main_offset 39976) main_length), 74548#(<= (+ main_offset 39980) main_length), 74551#(<= (+ main_offset 39968) main_length), 74550#(<= (+ main_offset 39972) main_length), 74553#(<= (+ main_offset 39960) main_length), 74552#(<= (+ main_offset 39964) main_length), 74555#(<= (+ main_offset 39952) main_length), 74554#(<= (+ main_offset 39956) main_length), 74557#(<= (+ main_offset 39944) main_length), 74556#(<= (+ main_offset 39948) main_length), 74559#(<= (+ main_offset 39936) main_length), 74558#(<= (+ main_offset 39940) main_length), 74561#(<= (+ main_offset 39928) main_length), 74560#(<= (+ main_offset 39932) main_length), 74563#(<= (+ main_offset 39920) main_length), 74562#(<= (+ main_offset 39924) main_length), 74565#(<= (+ main_offset 39912) main_length), 74564#(<= (+ main_offset 39916) main_length), 74567#(<= (+ main_offset 39904) main_length), 74566#(<= (+ main_offset 39908) main_length), 74569#(<= (+ main_offset 39896) main_length), 74568#(<= (+ main_offset 39900) main_length), 74571#(<= (+ main_offset 39888) main_length), 74570#(<= (+ main_offset 39892) main_length), 74573#(<= (+ main_offset 39880) main_length), 74572#(<= (+ main_offset 39884) main_length), 74575#(<= (+ main_offset 39872) main_length), 74574#(<= (+ main_offset 39876) main_length), 74577#(<= (+ main_offset 39864) main_length), 74576#(<= (+ main_offset 39868) main_length), 74579#(<= (+ main_offset 39856) main_length), 74578#(<= (+ main_offset 39860) main_length), 74581#(<= (+ main_offset 39848) main_length), 74580#(<= (+ main_offset 39852) main_length), 74583#(<= (+ main_offset 39840) main_length), 74582#(<= (+ main_offset 39844) main_length), 74585#(<= (+ main_offset 39832) main_length), 74584#(<= (+ main_offset 39836) main_length), 74587#(<= (+ main_offset 39824) main_length), 74586#(<= (+ main_offset 39828) main_length), 74589#(<= (+ main_offset 39816) main_length), 74588#(<= (+ main_offset 39820) main_length), 74591#(<= (+ main_offset 39808) main_length), 74590#(<= (+ main_offset 39812) main_length), 74593#(<= (+ main_offset 39800) main_length), 74592#(<= (+ main_offset 39804) main_length), 74595#(<= (+ main_offset 39792) main_length), 74594#(<= (+ main_offset 39796) main_length), 74597#(<= (+ main_offset 39784) main_length), 74596#(<= (+ main_offset 39788) main_length), 74599#(<= (+ main_offset 39776) main_length), 74598#(<= (+ main_offset 39780) main_length), 74601#(<= (+ main_offset 39768) main_length), 74600#(<= (+ main_offset 39772) main_length), 74603#(<= (+ main_offset 39760) main_length), 74602#(<= (+ main_offset 39764) main_length), 74605#(<= (+ main_offset 39752) main_length), 74604#(<= (+ main_offset 39756) main_length), 74607#(<= (+ main_offset 39744) main_length), 74606#(<= (+ main_offset 39748) main_length), 74609#(<= (+ main_offset 39736) main_length), 74608#(<= (+ main_offset 39740) main_length), 74611#(<= (+ main_offset 39728) main_length), 74610#(<= (+ main_offset 39732) main_length), 74613#(<= (+ main_offset 39720) main_length), 74612#(<= (+ main_offset 39724) main_length), 74615#(<= (+ main_offset 39712) main_length), 74614#(<= (+ main_offset 39716) main_length), 74617#(<= (+ main_offset 39704) main_length), 74616#(<= (+ main_offset 39708) main_length), 74619#(<= (+ main_offset 39696) main_length), 74618#(<= (+ main_offset 39700) main_length), 74621#(<= (+ main_offset 39688) main_length), 74620#(<= (+ main_offset 39692) main_length), 74623#(<= (+ main_offset 39680) main_length), 74622#(<= (+ main_offset 39684) main_length), 74625#(<= (+ main_offset 39672) main_length), 74624#(<= (+ main_offset 39676) main_length), 74627#(<= (+ main_offset 39664) main_length), 74626#(<= (+ main_offset 39668) main_length), 74629#(<= (+ main_offset 39656) main_length), 74628#(<= (+ main_offset 39660) main_length), 74631#(<= (+ main_offset 39648) main_length), 74630#(<= (+ main_offset 39652) main_length), 74633#(<= (+ main_offset 39640) main_length), 74632#(<= (+ main_offset 39644) main_length), 74635#(<= (+ main_offset 39632) main_length), 74634#(<= (+ main_offset 39636) main_length), 74637#(<= (+ main_offset 39624) main_length), 74636#(<= (+ main_offset 39628) main_length), 74639#(<= (+ main_offset 39616) main_length), 74638#(<= (+ main_offset 39620) main_length), 74641#(<= (+ main_offset 39608) main_length), 74640#(<= (+ main_offset 39612) main_length), 74643#(<= (+ main_offset 39600) main_length), 74642#(<= (+ main_offset 39604) main_length), 74645#(<= (+ main_offset 39592) main_length), 74644#(<= (+ main_offset 39596) main_length), 74647#(<= (+ main_offset 39584) main_length), 74646#(<= (+ main_offset 39588) main_length), 74649#(<= (+ main_offset 39576) main_length), 74648#(<= (+ main_offset 39580) main_length), 74651#(<= (+ main_offset 39568) main_length), 74650#(<= (+ main_offset 39572) main_length), 74653#(<= (+ main_offset 39560) main_length), 74652#(<= (+ main_offset 39564) main_length), 74655#(<= (+ main_offset 39552) main_length), 74654#(<= (+ main_offset 39556) main_length), 74657#(<= (+ main_offset 39544) main_length), 74656#(<= (+ main_offset 39548) main_length), 74659#(<= (+ main_offset 39536) main_length), 74658#(<= (+ main_offset 39540) main_length), 74661#(<= (+ main_offset 39528) main_length), 74660#(<= (+ main_offset 39532) main_length), 74663#(<= (+ main_offset 39520) main_length), 74662#(<= (+ main_offset 39524) main_length), 74665#(<= (+ main_offset 39512) main_length), 74664#(<= (+ main_offset 39516) main_length), 74667#(<= (+ main_offset 39504) main_length), 74666#(<= (+ main_offset 39508) main_length), 74669#(<= (+ main_offset 39496) main_length), 74668#(<= (+ main_offset 39500) main_length)] [2018-07-23 13:55:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:12,362 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:55:12,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:55:12,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:55:12,365 INFO L87 Difference]: Start difference. First operand 256 states and 256 transitions. Second operand 129 states. [2018-07-23 13:55:12,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:12,687 INFO L93 Difference]: Finished difference Result 259 states and 259 transitions. [2018-07-23 13:55:12,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:55:12,688 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 255 [2018-07-23 13:55:12,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:12,688 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:55:12,688 INFO L226 Difference]: Without dead ends: 258 [2018-07-23 13:55:12,689 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:55:12,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-07-23 13:55:12,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2018-07-23 13:55:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-07-23 13:55:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 258 transitions. [2018-07-23 13:55:12,693 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 258 transitions. Word has length 255 [2018-07-23 13:55:12,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:12,693 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 258 transitions. [2018-07-23 13:55:12,693 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:55:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 258 transitions. [2018-07-23 13:55:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-07-23 13:55:12,694 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:12,694 INFO L357 BasicCegarLoop]: trace histogram [128, 127, 1, 1] [2018-07-23 13:55:12,695 INFO L414 AbstractCegarLoop]: === Iteration 128 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:12,695 INFO L82 PathProgramCache]: Analyzing trace with hash -513507042, now seen corresponding path program 127 times [2018-07-23 13:55:12,695 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:13,311 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:13,312 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:55:13,312 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:13,313 INFO L185 omatonBuilderFactory]: Interpolants [75777#(<= (+ main_offset 39716) main_length), 75776#(<= (+ main_offset 39720) main_length), 75779#(<= (+ main_offset 39708) main_length), 75778#(<= (+ main_offset 39712) main_length), 75781#(<= (+ main_offset 39700) main_length), 75780#(<= (+ main_offset 39704) main_length), 75783#(<= (+ main_offset 39692) main_length), 75782#(<= (+ main_offset 39696) main_length), 75785#(<= (+ main_offset 39684) main_length), 75784#(<= (+ main_offset 39688) main_length), 75787#(<= (+ main_offset 39676) main_length), 75786#(<= (+ main_offset 39680) main_length), 75789#(<= (+ main_offset 39668) main_length), 75788#(<= (+ main_offset 39672) main_length), 75791#(<= (+ main_offset 39660) main_length), 75790#(<= (+ main_offset 39664) main_length), 75793#(<= (+ main_offset 39652) main_length), 75792#(<= (+ main_offset 39656) main_length), 75795#(<= (+ main_offset 39644) main_length), 75794#(<= (+ main_offset 39648) main_length), 75797#(<= (+ main_offset 39636) main_length), 75796#(<= (+ main_offset 39640) main_length), 75799#(<= (+ main_offset 39628) main_length), 75798#(<= (+ main_offset 39632) main_length), 75801#(<= (+ main_offset 39620) main_length), 75800#(<= (+ main_offset 39624) main_length), 75803#(<= (+ main_offset 39612) main_length), 75802#(<= (+ main_offset 39616) main_length), 75805#(<= (+ main_offset 39604) main_length), 75804#(<= (+ main_offset 39608) main_length), 75807#(<= (+ main_offset 39596) main_length), 75806#(<= (+ main_offset 39600) main_length), 75809#(<= (+ main_offset 39588) main_length), 75808#(<= (+ main_offset 39592) main_length), 75811#(<= (+ main_offset 39580) main_length), 75810#(<= (+ main_offset 39584) main_length), 75813#(<= (+ main_offset 39572) main_length), 75812#(<= (+ main_offset 39576) main_length), 75815#(<= (+ main_offset 39564) main_length), 75814#(<= (+ main_offset 39568) main_length), 75817#(<= (+ main_offset 39556) main_length), 75816#(<= (+ main_offset 39560) main_length), 75819#(<= (+ main_offset 39548) main_length), 75818#(<= (+ main_offset 39552) main_length), 75821#(<= (+ main_offset 39540) main_length), 75820#(<= (+ main_offset 39544) main_length), 75823#(<= (+ main_offset 39532) main_length), 75822#(<= (+ main_offset 39536) main_length), 75825#(<= (+ main_offset 39524) main_length), 75824#(<= (+ main_offset 39528) main_length), 75827#(<= (+ main_offset 39516) main_length), 75826#(<= (+ main_offset 39520) main_length), 75829#(<= (+ main_offset 39508) main_length), 75828#(<= (+ main_offset 39512) main_length), 75831#(<= (+ main_offset 39500) main_length), 75830#(<= (+ main_offset 39504) main_length), 75833#(<= (+ main_offset 39492) main_length), 75832#(<= (+ main_offset 39496) main_length), 75705#false, 75704#true, 75707#(<= (+ main_offset 39996) main_length), 75706#(<= (+ main_offset 40000) main_length), 75709#(<= (+ main_offset 39988) main_length), 75708#(<= (+ main_offset 39992) main_length), 75711#(<= (+ main_offset 39980) main_length), 75710#(<= (+ main_offset 39984) main_length), 75713#(<= (+ main_offset 39972) main_length), 75712#(<= (+ main_offset 39976) main_length), 75715#(<= (+ main_offset 39964) main_length), 75714#(<= (+ main_offset 39968) main_length), 75717#(<= (+ main_offset 39956) main_length), 75716#(<= (+ main_offset 39960) main_length), 75719#(<= (+ main_offset 39948) main_length), 75718#(<= (+ main_offset 39952) main_length), 75721#(<= (+ main_offset 39940) main_length), 75720#(<= (+ main_offset 39944) main_length), 75723#(<= (+ main_offset 39932) main_length), 75722#(<= (+ main_offset 39936) main_length), 75725#(<= (+ main_offset 39924) main_length), 75724#(<= (+ main_offset 39928) main_length), 75727#(<= (+ main_offset 39916) main_length), 75726#(<= (+ main_offset 39920) main_length), 75729#(<= (+ main_offset 39908) main_length), 75728#(<= (+ main_offset 39912) main_length), 75731#(<= (+ main_offset 39900) main_length), 75730#(<= (+ main_offset 39904) main_length), 75733#(<= (+ main_offset 39892) main_length), 75732#(<= (+ main_offset 39896) main_length), 75735#(<= (+ main_offset 39884) main_length), 75734#(<= (+ main_offset 39888) main_length), 75737#(<= (+ main_offset 39876) main_length), 75736#(<= (+ main_offset 39880) main_length), 75739#(<= (+ main_offset 39868) main_length), 75738#(<= (+ main_offset 39872) main_length), 75741#(<= (+ main_offset 39860) main_length), 75740#(<= (+ main_offset 39864) main_length), 75743#(<= (+ main_offset 39852) main_length), 75742#(<= (+ main_offset 39856) main_length), 75745#(<= (+ main_offset 39844) main_length), 75744#(<= (+ main_offset 39848) main_length), 75747#(<= (+ main_offset 39836) main_length), 75746#(<= (+ main_offset 39840) main_length), 75749#(<= (+ main_offset 39828) main_length), 75748#(<= (+ main_offset 39832) main_length), 75751#(<= (+ main_offset 39820) main_length), 75750#(<= (+ main_offset 39824) main_length), 75753#(<= (+ main_offset 39812) main_length), 75752#(<= (+ main_offset 39816) main_length), 75755#(<= (+ main_offset 39804) main_length), 75754#(<= (+ main_offset 39808) main_length), 75757#(<= (+ main_offset 39796) main_length), 75756#(<= (+ main_offset 39800) main_length), 75759#(<= (+ main_offset 39788) main_length), 75758#(<= (+ main_offset 39792) main_length), 75761#(<= (+ main_offset 39780) main_length), 75760#(<= (+ main_offset 39784) main_length), 75763#(<= (+ main_offset 39772) main_length), 75762#(<= (+ main_offset 39776) main_length), 75765#(<= (+ main_offset 39764) main_length), 75764#(<= (+ main_offset 39768) main_length), 75767#(<= (+ main_offset 39756) main_length), 75766#(<= (+ main_offset 39760) main_length), 75769#(<= (+ main_offset 39748) main_length), 75768#(<= (+ main_offset 39752) main_length), 75771#(<= (+ main_offset 39740) main_length), 75770#(<= (+ main_offset 39744) main_length), 75773#(<= (+ main_offset 39732) main_length), 75772#(<= (+ main_offset 39736) main_length), 75775#(<= (+ main_offset 39724) main_length), 75774#(<= (+ main_offset 39728) main_length)] [2018-07-23 13:55:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:13,314 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:55:13,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:55:13,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:55:13,317 INFO L87 Difference]: Start difference. First operand 258 states and 258 transitions. Second operand 130 states. [2018-07-23 13:55:13,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:13,457 INFO L93 Difference]: Finished difference Result 261 states and 261 transitions. [2018-07-23 13:55:13,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:55:13,458 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 257 [2018-07-23 13:55:13,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:13,459 INFO L225 Difference]: With dead ends: 261 [2018-07-23 13:55:13,459 INFO L226 Difference]: Without dead ends: 260 [2018-07-23 13:55:13,460 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:55:13,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-07-23 13:55:13,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2018-07-23 13:55:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-07-23 13:55:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 260 transitions. [2018-07-23 13:55:13,466 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 260 transitions. Word has length 257 [2018-07-23 13:55:13,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:13,466 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 260 transitions. [2018-07-23 13:55:13,467 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:55:13,467 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 260 transitions. [2018-07-23 13:55:13,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-07-23 13:55:13,468 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:13,468 INFO L357 BasicCegarLoop]: trace histogram [129, 128, 1, 1] [2018-07-23 13:55:13,468 INFO L414 AbstractCegarLoop]: === Iteration 129 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:13,468 INFO L82 PathProgramCache]: Analyzing trace with hash 440972768, now seen corresponding path program 128 times [2018-07-23 13:55:13,468 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:14,107 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:14,107 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:55:14,108 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:14,108 INFO L185 omatonBuilderFactory]: Interpolants [76877#false, 76876#true, 76879#(<= (+ main_offset 39996) main_length), 76878#(<= (+ main_offset 40000) main_length), 76881#(<= (+ main_offset 39988) main_length), 76880#(<= (+ main_offset 39992) main_length), 76883#(<= (+ main_offset 39980) main_length), 76882#(<= (+ main_offset 39984) main_length), 76885#(<= (+ main_offset 39972) main_length), 76884#(<= (+ main_offset 39976) main_length), 76887#(<= (+ main_offset 39964) main_length), 76886#(<= (+ main_offset 39968) main_length), 76889#(<= (+ main_offset 39956) main_length), 76888#(<= (+ main_offset 39960) main_length), 76891#(<= (+ main_offset 39948) main_length), 76890#(<= (+ main_offset 39952) main_length), 76893#(<= (+ main_offset 39940) main_length), 76892#(<= (+ main_offset 39944) main_length), 76895#(<= (+ main_offset 39932) main_length), 76894#(<= (+ main_offset 39936) main_length), 76897#(<= (+ main_offset 39924) main_length), 76896#(<= (+ main_offset 39928) main_length), 76899#(<= (+ main_offset 39916) main_length), 76898#(<= (+ main_offset 39920) main_length), 76901#(<= (+ main_offset 39908) main_length), 76900#(<= (+ main_offset 39912) main_length), 76903#(<= (+ main_offset 39900) main_length), 76902#(<= (+ main_offset 39904) main_length), 76905#(<= (+ main_offset 39892) main_length), 76904#(<= (+ main_offset 39896) main_length), 76907#(<= (+ main_offset 39884) main_length), 76906#(<= (+ main_offset 39888) main_length), 76909#(<= (+ main_offset 39876) main_length), 76908#(<= (+ main_offset 39880) main_length), 76911#(<= (+ main_offset 39868) main_length), 76910#(<= (+ main_offset 39872) main_length), 76913#(<= (+ main_offset 39860) main_length), 76912#(<= (+ main_offset 39864) main_length), 76915#(<= (+ main_offset 39852) main_length), 76914#(<= (+ main_offset 39856) main_length), 76917#(<= (+ main_offset 39844) main_length), 76916#(<= (+ main_offset 39848) main_length), 76919#(<= (+ main_offset 39836) main_length), 76918#(<= (+ main_offset 39840) main_length), 76921#(<= (+ main_offset 39828) main_length), 76920#(<= (+ main_offset 39832) main_length), 76923#(<= (+ main_offset 39820) main_length), 76922#(<= (+ main_offset 39824) main_length), 76925#(<= (+ main_offset 39812) main_length), 76924#(<= (+ main_offset 39816) main_length), 76927#(<= (+ main_offset 39804) main_length), 76926#(<= (+ main_offset 39808) main_length), 76929#(<= (+ main_offset 39796) main_length), 76928#(<= (+ main_offset 39800) main_length), 76931#(<= (+ main_offset 39788) main_length), 76930#(<= (+ main_offset 39792) main_length), 76933#(<= (+ main_offset 39780) main_length), 76932#(<= (+ main_offset 39784) main_length), 76935#(<= (+ main_offset 39772) main_length), 76934#(<= (+ main_offset 39776) main_length), 76937#(<= (+ main_offset 39764) main_length), 76936#(<= (+ main_offset 39768) main_length), 76939#(<= (+ main_offset 39756) main_length), 76938#(<= (+ main_offset 39760) main_length), 76941#(<= (+ main_offset 39748) main_length), 76940#(<= (+ main_offset 39752) main_length), 76943#(<= (+ main_offset 39740) main_length), 76942#(<= (+ main_offset 39744) main_length), 76945#(<= (+ main_offset 39732) main_length), 76944#(<= (+ main_offset 39736) main_length), 76947#(<= (+ main_offset 39724) main_length), 76946#(<= (+ main_offset 39728) main_length), 76949#(<= (+ main_offset 39716) main_length), 76948#(<= (+ main_offset 39720) main_length), 76951#(<= (+ main_offset 39708) main_length), 76950#(<= (+ main_offset 39712) main_length), 76953#(<= (+ main_offset 39700) main_length), 76952#(<= (+ main_offset 39704) main_length), 76955#(<= (+ main_offset 39692) main_length), 76954#(<= (+ main_offset 39696) main_length), 76957#(<= (+ main_offset 39684) main_length), 76956#(<= (+ main_offset 39688) main_length), 76959#(<= (+ main_offset 39676) main_length), 76958#(<= (+ main_offset 39680) main_length), 76961#(<= (+ main_offset 39668) main_length), 76960#(<= (+ main_offset 39672) main_length), 76963#(<= (+ main_offset 39660) main_length), 76962#(<= (+ main_offset 39664) main_length), 76965#(<= (+ main_offset 39652) main_length), 76964#(<= (+ main_offset 39656) main_length), 76967#(<= (+ main_offset 39644) main_length), 76966#(<= (+ main_offset 39648) main_length), 76969#(<= (+ main_offset 39636) main_length), 76968#(<= (+ main_offset 39640) main_length), 76971#(<= (+ main_offset 39628) main_length), 76970#(<= (+ main_offset 39632) main_length), 76973#(<= (+ main_offset 39620) main_length), 76972#(<= (+ main_offset 39624) main_length), 76975#(<= (+ main_offset 39612) main_length), 76974#(<= (+ main_offset 39616) main_length), 76977#(<= (+ main_offset 39604) main_length), 76976#(<= (+ main_offset 39608) main_length), 76979#(<= (+ main_offset 39596) main_length), 76978#(<= (+ main_offset 39600) main_length), 76981#(<= (+ main_offset 39588) main_length), 76980#(<= (+ main_offset 39592) main_length), 76983#(<= (+ main_offset 39580) main_length), 76982#(<= (+ main_offset 39584) main_length), 76985#(<= (+ main_offset 39572) main_length), 76984#(<= (+ main_offset 39576) main_length), 76987#(<= (+ main_offset 39564) main_length), 76986#(<= (+ main_offset 39568) main_length), 76989#(<= (+ main_offset 39556) main_length), 76988#(<= (+ main_offset 39560) main_length), 76991#(<= (+ main_offset 39548) main_length), 76990#(<= (+ main_offset 39552) main_length), 76993#(<= (+ main_offset 39540) main_length), 76992#(<= (+ main_offset 39544) main_length), 76995#(<= (+ main_offset 39532) main_length), 76994#(<= (+ main_offset 39536) main_length), 76997#(<= (+ main_offset 39524) main_length), 76996#(<= (+ main_offset 39528) main_length), 76999#(<= (+ main_offset 39516) main_length), 76998#(<= (+ main_offset 39520) main_length), 77001#(<= (+ main_offset 39508) main_length), 77000#(<= (+ main_offset 39512) main_length), 77003#(<= (+ main_offset 39500) main_length), 77002#(<= (+ main_offset 39504) main_length), 77005#(<= (+ main_offset 39492) main_length), 77004#(<= (+ main_offset 39496) main_length), 77006#(<= (+ main_offset 39488) main_length)] [2018-07-23 13:55:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:14,109 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:55:14,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:55:14,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:55:14,112 INFO L87 Difference]: Start difference. First operand 260 states and 260 transitions. Second operand 131 states. [2018-07-23 13:55:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:14,434 INFO L93 Difference]: Finished difference Result 263 states and 263 transitions. [2018-07-23 13:55:14,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:55:14,434 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 259 [2018-07-23 13:55:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:14,435 INFO L225 Difference]: With dead ends: 263 [2018-07-23 13:55:14,435 INFO L226 Difference]: Without dead ends: 262 [2018-07-23 13:55:14,436 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:55:14,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2018-07-23 13:55:14,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2018-07-23 13:55:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-07-23 13:55:14,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 262 transitions. [2018-07-23 13:55:14,440 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 262 transitions. Word has length 259 [2018-07-23 13:55:14,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:14,440 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 262 transitions. [2018-07-23 13:55:14,440 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:55:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 262 transitions. [2018-07-23 13:55:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-07-23 13:55:14,441 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:14,441 INFO L357 BasicCegarLoop]: trace histogram [130, 129, 1, 1] [2018-07-23 13:55:14,441 INFO L414 AbstractCegarLoop]: === Iteration 130 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:14,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1426931166, now seen corresponding path program 129 times [2018-07-23 13:55:14,442 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:15,094 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:15,094 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:55:15,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:15,095 INFO L185 omatonBuilderFactory]: Interpolants [78081#(<= (+ main_offset 39912) main_length), 78080#(<= (+ main_offset 39916) main_length), 78083#(<= (+ main_offset 39904) main_length), 78082#(<= (+ main_offset 39908) main_length), 78085#(<= (+ main_offset 39896) main_length), 78084#(<= (+ main_offset 39900) main_length), 78087#(<= (+ main_offset 39888) main_length), 78086#(<= (+ main_offset 39892) main_length), 78089#(<= (+ main_offset 39880) main_length), 78088#(<= (+ main_offset 39884) main_length), 78091#(<= (+ main_offset 39872) main_length), 78090#(<= (+ main_offset 39876) main_length), 78093#(<= (+ main_offset 39864) main_length), 78092#(<= (+ main_offset 39868) main_length), 78095#(<= (+ main_offset 39856) main_length), 78094#(<= (+ main_offset 39860) main_length), 78097#(<= (+ main_offset 39848) main_length), 78096#(<= (+ main_offset 39852) main_length), 78099#(<= (+ main_offset 39840) main_length), 78098#(<= (+ main_offset 39844) main_length), 78101#(<= (+ main_offset 39832) main_length), 78100#(<= (+ main_offset 39836) main_length), 78103#(<= (+ main_offset 39824) main_length), 78102#(<= (+ main_offset 39828) main_length), 78105#(<= (+ main_offset 39816) main_length), 78104#(<= (+ main_offset 39820) main_length), 78107#(<= (+ main_offset 39808) main_length), 78106#(<= (+ main_offset 39812) main_length), 78109#(<= (+ main_offset 39800) main_length), 78108#(<= (+ main_offset 39804) main_length), 78111#(<= (+ main_offset 39792) main_length), 78110#(<= (+ main_offset 39796) main_length), 78113#(<= (+ main_offset 39784) main_length), 78112#(<= (+ main_offset 39788) main_length), 78115#(<= (+ main_offset 39776) main_length), 78114#(<= (+ main_offset 39780) main_length), 78117#(<= (+ main_offset 39768) main_length), 78116#(<= (+ main_offset 39772) main_length), 78119#(<= (+ main_offset 39760) main_length), 78118#(<= (+ main_offset 39764) main_length), 78121#(<= (+ main_offset 39752) main_length), 78120#(<= (+ main_offset 39756) main_length), 78123#(<= (+ main_offset 39744) main_length), 78122#(<= (+ main_offset 39748) main_length), 78125#(<= (+ main_offset 39736) main_length), 78124#(<= (+ main_offset 39740) main_length), 78127#(<= (+ main_offset 39728) main_length), 78126#(<= (+ main_offset 39732) main_length), 78129#(<= (+ main_offset 39720) main_length), 78128#(<= (+ main_offset 39724) main_length), 78131#(<= (+ main_offset 39712) main_length), 78130#(<= (+ main_offset 39716) main_length), 78133#(<= (+ main_offset 39704) main_length), 78132#(<= (+ main_offset 39708) main_length), 78135#(<= (+ main_offset 39696) main_length), 78134#(<= (+ main_offset 39700) main_length), 78137#(<= (+ main_offset 39688) main_length), 78136#(<= (+ main_offset 39692) main_length), 78139#(<= (+ main_offset 39680) main_length), 78138#(<= (+ main_offset 39684) main_length), 78141#(<= (+ main_offset 39672) main_length), 78140#(<= (+ main_offset 39676) main_length), 78143#(<= (+ main_offset 39664) main_length), 78142#(<= (+ main_offset 39668) main_length), 78145#(<= (+ main_offset 39656) main_length), 78144#(<= (+ main_offset 39660) main_length), 78147#(<= (+ main_offset 39648) main_length), 78146#(<= (+ main_offset 39652) main_length), 78149#(<= (+ main_offset 39640) main_length), 78148#(<= (+ main_offset 39644) main_length), 78151#(<= (+ main_offset 39632) main_length), 78150#(<= (+ main_offset 39636) main_length), 78153#(<= (+ main_offset 39624) main_length), 78152#(<= (+ main_offset 39628) main_length), 78155#(<= (+ main_offset 39616) main_length), 78154#(<= (+ main_offset 39620) main_length), 78157#(<= (+ main_offset 39608) main_length), 78156#(<= (+ main_offset 39612) main_length), 78159#(<= (+ main_offset 39600) main_length), 78158#(<= (+ main_offset 39604) main_length), 78161#(<= (+ main_offset 39592) main_length), 78160#(<= (+ main_offset 39596) main_length), 78163#(<= (+ main_offset 39584) main_length), 78162#(<= (+ main_offset 39588) main_length), 78165#(<= (+ main_offset 39576) main_length), 78164#(<= (+ main_offset 39580) main_length), 78167#(<= (+ main_offset 39568) main_length), 78166#(<= (+ main_offset 39572) main_length), 78169#(<= (+ main_offset 39560) main_length), 78168#(<= (+ main_offset 39564) main_length), 78171#(<= (+ main_offset 39552) main_length), 78170#(<= (+ main_offset 39556) main_length), 78173#(<= (+ main_offset 39544) main_length), 78172#(<= (+ main_offset 39548) main_length), 78175#(<= (+ main_offset 39536) main_length), 78174#(<= (+ main_offset 39540) main_length), 78177#(<= (+ main_offset 39528) main_length), 78176#(<= (+ main_offset 39532) main_length), 78179#(<= (+ main_offset 39520) main_length), 78178#(<= (+ main_offset 39524) main_length), 78181#(<= (+ main_offset 39512) main_length), 78180#(<= (+ main_offset 39516) main_length), 78183#(<= (+ main_offset 39504) main_length), 78182#(<= (+ main_offset 39508) main_length), 78185#(<= (+ main_offset 39496) main_length), 78184#(<= (+ main_offset 39500) main_length), 78187#(<= (+ main_offset 39488) main_length), 78186#(<= (+ main_offset 39492) main_length), 78188#(<= (+ main_offset 39484) main_length), 78057#true, 78059#(<= (+ main_offset 40000) main_length), 78058#false, 78061#(<= (+ main_offset 39992) main_length), 78060#(<= (+ main_offset 39996) main_length), 78063#(<= (+ main_offset 39984) main_length), 78062#(<= (+ main_offset 39988) main_length), 78065#(<= (+ main_offset 39976) main_length), 78064#(<= (+ main_offset 39980) main_length), 78067#(<= (+ main_offset 39968) main_length), 78066#(<= (+ main_offset 39972) main_length), 78069#(<= (+ main_offset 39960) main_length), 78068#(<= (+ main_offset 39964) main_length), 78071#(<= (+ main_offset 39952) main_length), 78070#(<= (+ main_offset 39956) main_length), 78073#(<= (+ main_offset 39944) main_length), 78072#(<= (+ main_offset 39948) main_length), 78075#(<= (+ main_offset 39936) main_length), 78074#(<= (+ main_offset 39940) main_length), 78077#(<= (+ main_offset 39928) main_length), 78076#(<= (+ main_offset 39932) main_length), 78079#(<= (+ main_offset 39920) main_length), 78078#(<= (+ main_offset 39924) main_length)] [2018-07-23 13:55:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:15,096 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:55:15,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:55:15,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:55:15,098 INFO L87 Difference]: Start difference. First operand 262 states and 262 transitions. Second operand 132 states. [2018-07-23 13:55:15,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:15,429 INFO L93 Difference]: Finished difference Result 265 states and 265 transitions. [2018-07-23 13:55:15,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:55:15,430 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 261 [2018-07-23 13:55:15,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:15,430 INFO L225 Difference]: With dead ends: 265 [2018-07-23 13:55:15,430 INFO L226 Difference]: Without dead ends: 264 [2018-07-23 13:55:15,432 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:55:15,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-07-23 13:55:15,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2018-07-23 13:55:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-07-23 13:55:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 264 transitions. [2018-07-23 13:55:15,437 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 264 transitions. Word has length 261 [2018-07-23 13:55:15,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:15,437 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 264 transitions. [2018-07-23 13:55:15,437 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:55:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 264 transitions. [2018-07-23 13:55:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-07-23 13:55:15,438 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:15,439 INFO L357 BasicCegarLoop]: trace histogram [131, 130, 1, 1] [2018-07-23 13:55:15,439 INFO L414 AbstractCegarLoop]: === Iteration 131 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:15,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1186282012, now seen corresponding path program 130 times [2018-07-23 13:55:15,439 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:16,131 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:16,131 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:55:16,132 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:16,132 INFO L185 omatonBuilderFactory]: Interpolants [79361#(<= (+ main_offset 39552) main_length), 79360#(<= (+ main_offset 39556) main_length), 79363#(<= (+ main_offset 39544) main_length), 79362#(<= (+ main_offset 39548) main_length), 79365#(<= (+ main_offset 39536) main_length), 79364#(<= (+ main_offset 39540) main_length), 79367#(<= (+ main_offset 39528) main_length), 79366#(<= (+ main_offset 39532) main_length), 79369#(<= (+ main_offset 39520) main_length), 79368#(<= (+ main_offset 39524) main_length), 79371#(<= (+ main_offset 39512) main_length), 79370#(<= (+ main_offset 39516) main_length), 79373#(<= (+ main_offset 39504) main_length), 79372#(<= (+ main_offset 39508) main_length), 79375#(<= (+ main_offset 39496) main_length), 79374#(<= (+ main_offset 39500) main_length), 79377#(<= (+ main_offset 39488) main_length), 79376#(<= (+ main_offset 39492) main_length), 79379#(<= (+ main_offset 39480) main_length), 79378#(<= (+ main_offset 39484) main_length), 79247#true, 79249#(<= (+ main_offset 40000) main_length), 79248#false, 79251#(<= (+ main_offset 39992) main_length), 79250#(<= (+ main_offset 39996) main_length), 79253#(<= (+ main_offset 39984) main_length), 79252#(<= (+ main_offset 39988) main_length), 79255#(<= (+ main_offset 39976) main_length), 79254#(<= (+ main_offset 39980) main_length), 79257#(<= (+ main_offset 39968) main_length), 79256#(<= (+ main_offset 39972) main_length), 79259#(<= (+ main_offset 39960) main_length), 79258#(<= (+ main_offset 39964) main_length), 79261#(<= (+ main_offset 39952) main_length), 79260#(<= (+ main_offset 39956) main_length), 79263#(<= (+ main_offset 39944) main_length), 79262#(<= (+ main_offset 39948) main_length), 79265#(<= (+ main_offset 39936) main_length), 79264#(<= (+ main_offset 39940) main_length), 79267#(<= (+ main_offset 39928) main_length), 79266#(<= (+ main_offset 39932) main_length), 79269#(<= (+ main_offset 39920) main_length), 79268#(<= (+ main_offset 39924) main_length), 79271#(<= (+ main_offset 39912) main_length), 79270#(<= (+ main_offset 39916) main_length), 79273#(<= (+ main_offset 39904) main_length), 79272#(<= (+ main_offset 39908) main_length), 79275#(<= (+ main_offset 39896) main_length), 79274#(<= (+ main_offset 39900) main_length), 79277#(<= (+ main_offset 39888) main_length), 79276#(<= (+ main_offset 39892) main_length), 79279#(<= (+ main_offset 39880) main_length), 79278#(<= (+ main_offset 39884) main_length), 79281#(<= (+ main_offset 39872) main_length), 79280#(<= (+ main_offset 39876) main_length), 79283#(<= (+ main_offset 39864) main_length), 79282#(<= (+ main_offset 39868) main_length), 79285#(<= (+ main_offset 39856) main_length), 79284#(<= (+ main_offset 39860) main_length), 79287#(<= (+ main_offset 39848) main_length), 79286#(<= (+ main_offset 39852) main_length), 79289#(<= (+ main_offset 39840) main_length), 79288#(<= (+ main_offset 39844) main_length), 79291#(<= (+ main_offset 39832) main_length), 79290#(<= (+ main_offset 39836) main_length), 79293#(<= (+ main_offset 39824) main_length), 79292#(<= (+ main_offset 39828) main_length), 79295#(<= (+ main_offset 39816) main_length), 79294#(<= (+ main_offset 39820) main_length), 79297#(<= (+ main_offset 39808) main_length), 79296#(<= (+ main_offset 39812) main_length), 79299#(<= (+ main_offset 39800) main_length), 79298#(<= (+ main_offset 39804) main_length), 79301#(<= (+ main_offset 39792) main_length), 79300#(<= (+ main_offset 39796) main_length), 79303#(<= (+ main_offset 39784) main_length), 79302#(<= (+ main_offset 39788) main_length), 79305#(<= (+ main_offset 39776) main_length), 79304#(<= (+ main_offset 39780) main_length), 79307#(<= (+ main_offset 39768) main_length), 79306#(<= (+ main_offset 39772) main_length), 79309#(<= (+ main_offset 39760) main_length), 79308#(<= (+ main_offset 39764) main_length), 79311#(<= (+ main_offset 39752) main_length), 79310#(<= (+ main_offset 39756) main_length), 79313#(<= (+ main_offset 39744) main_length), 79312#(<= (+ main_offset 39748) main_length), 79315#(<= (+ main_offset 39736) main_length), 79314#(<= (+ main_offset 39740) main_length), 79317#(<= (+ main_offset 39728) main_length), 79316#(<= (+ main_offset 39732) main_length), 79319#(<= (+ main_offset 39720) main_length), 79318#(<= (+ main_offset 39724) main_length), 79321#(<= (+ main_offset 39712) main_length), 79320#(<= (+ main_offset 39716) main_length), 79323#(<= (+ main_offset 39704) main_length), 79322#(<= (+ main_offset 39708) main_length), 79325#(<= (+ main_offset 39696) main_length), 79324#(<= (+ main_offset 39700) main_length), 79327#(<= (+ main_offset 39688) main_length), 79326#(<= (+ main_offset 39692) main_length), 79329#(<= (+ main_offset 39680) main_length), 79328#(<= (+ main_offset 39684) main_length), 79331#(<= (+ main_offset 39672) main_length), 79330#(<= (+ main_offset 39676) main_length), 79333#(<= (+ main_offset 39664) main_length), 79332#(<= (+ main_offset 39668) main_length), 79335#(<= (+ main_offset 39656) main_length), 79334#(<= (+ main_offset 39660) main_length), 79337#(<= (+ main_offset 39648) main_length), 79336#(<= (+ main_offset 39652) main_length), 79339#(<= (+ main_offset 39640) main_length), 79338#(<= (+ main_offset 39644) main_length), 79341#(<= (+ main_offset 39632) main_length), 79340#(<= (+ main_offset 39636) main_length), 79343#(<= (+ main_offset 39624) main_length), 79342#(<= (+ main_offset 39628) main_length), 79345#(<= (+ main_offset 39616) main_length), 79344#(<= (+ main_offset 39620) main_length), 79347#(<= (+ main_offset 39608) main_length), 79346#(<= (+ main_offset 39612) main_length), 79349#(<= (+ main_offset 39600) main_length), 79348#(<= (+ main_offset 39604) main_length), 79351#(<= (+ main_offset 39592) main_length), 79350#(<= (+ main_offset 39596) main_length), 79353#(<= (+ main_offset 39584) main_length), 79352#(<= (+ main_offset 39588) main_length), 79355#(<= (+ main_offset 39576) main_length), 79354#(<= (+ main_offset 39580) main_length), 79357#(<= (+ main_offset 39568) main_length), 79356#(<= (+ main_offset 39572) main_length), 79359#(<= (+ main_offset 39560) main_length), 79358#(<= (+ main_offset 39564) main_length)] [2018-07-23 13:55:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:16,133 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:55:16,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:55:16,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:55:16,135 INFO L87 Difference]: Start difference. First operand 264 states and 264 transitions. Second operand 133 states. [2018-07-23 13:55:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:16,417 INFO L93 Difference]: Finished difference Result 267 states and 267 transitions. [2018-07-23 13:55:16,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:55:16,418 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 263 [2018-07-23 13:55:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:16,418 INFO L225 Difference]: With dead ends: 267 [2018-07-23 13:55:16,418 INFO L226 Difference]: Without dead ends: 266 [2018-07-23 13:55:16,419 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:55:16,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-07-23 13:55:16,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2018-07-23 13:55:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-07-23 13:55:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 266 transitions. [2018-07-23 13:55:16,423 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 266 transitions. Word has length 263 [2018-07-23 13:55:16,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:16,423 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 266 transitions. [2018-07-23 13:55:16,423 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:55:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 266 transitions. [2018-07-23 13:55:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-07-23 13:55:16,424 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:16,424 INFO L357 BasicCegarLoop]: trace histogram [132, 131, 1, 1] [2018-07-23 13:55:16,424 INFO L414 AbstractCegarLoop]: === Iteration 132 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:16,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1850679002, now seen corresponding path program 131 times [2018-07-23 13:55:16,424 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:17,107 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:17,107 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:55:17,107 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:17,108 INFO L185 omatonBuilderFactory]: Interpolants [80447#false, 80446#true, 80449#(<= (+ main_offset 39996) main_length), 80448#(<= (+ main_offset 40000) main_length), 80451#(<= (+ main_offset 39988) main_length), 80450#(<= (+ main_offset 39992) main_length), 80453#(<= (+ main_offset 39980) main_length), 80452#(<= (+ main_offset 39984) main_length), 80455#(<= (+ main_offset 39972) main_length), 80454#(<= (+ main_offset 39976) main_length), 80457#(<= (+ main_offset 39964) main_length), 80456#(<= (+ main_offset 39968) main_length), 80459#(<= (+ main_offset 39956) main_length), 80458#(<= (+ main_offset 39960) main_length), 80461#(<= (+ main_offset 39948) main_length), 80460#(<= (+ main_offset 39952) main_length), 80463#(<= (+ main_offset 39940) main_length), 80462#(<= (+ main_offset 39944) main_length), 80465#(<= (+ main_offset 39932) main_length), 80464#(<= (+ main_offset 39936) main_length), 80467#(<= (+ main_offset 39924) main_length), 80466#(<= (+ main_offset 39928) main_length), 80469#(<= (+ main_offset 39916) main_length), 80468#(<= (+ main_offset 39920) main_length), 80471#(<= (+ main_offset 39908) main_length), 80470#(<= (+ main_offset 39912) main_length), 80473#(<= (+ main_offset 39900) main_length), 80472#(<= (+ main_offset 39904) main_length), 80475#(<= (+ main_offset 39892) main_length), 80474#(<= (+ main_offset 39896) main_length), 80477#(<= (+ main_offset 39884) main_length), 80476#(<= (+ main_offset 39888) main_length), 80479#(<= (+ main_offset 39876) main_length), 80478#(<= (+ main_offset 39880) main_length), 80481#(<= (+ main_offset 39868) main_length), 80480#(<= (+ main_offset 39872) main_length), 80483#(<= (+ main_offset 39860) main_length), 80482#(<= (+ main_offset 39864) main_length), 80485#(<= (+ main_offset 39852) main_length), 80484#(<= (+ main_offset 39856) main_length), 80487#(<= (+ main_offset 39844) main_length), 80486#(<= (+ main_offset 39848) main_length), 80489#(<= (+ main_offset 39836) main_length), 80488#(<= (+ main_offset 39840) main_length), 80491#(<= (+ main_offset 39828) main_length), 80490#(<= (+ main_offset 39832) main_length), 80493#(<= (+ main_offset 39820) main_length), 80492#(<= (+ main_offset 39824) main_length), 80495#(<= (+ main_offset 39812) main_length), 80494#(<= (+ main_offset 39816) main_length), 80497#(<= (+ main_offset 39804) main_length), 80496#(<= (+ main_offset 39808) main_length), 80499#(<= (+ main_offset 39796) main_length), 80498#(<= (+ main_offset 39800) main_length), 80501#(<= (+ main_offset 39788) main_length), 80500#(<= (+ main_offset 39792) main_length), 80503#(<= (+ main_offset 39780) main_length), 80502#(<= (+ main_offset 39784) main_length), 80505#(<= (+ main_offset 39772) main_length), 80504#(<= (+ main_offset 39776) main_length), 80507#(<= (+ main_offset 39764) main_length), 80506#(<= (+ main_offset 39768) main_length), 80509#(<= (+ main_offset 39756) main_length), 80508#(<= (+ main_offset 39760) main_length), 80511#(<= (+ main_offset 39748) main_length), 80510#(<= (+ main_offset 39752) main_length), 80513#(<= (+ main_offset 39740) main_length), 80512#(<= (+ main_offset 39744) main_length), 80515#(<= (+ main_offset 39732) main_length), 80514#(<= (+ main_offset 39736) main_length), 80517#(<= (+ main_offset 39724) main_length), 80516#(<= (+ main_offset 39728) main_length), 80519#(<= (+ main_offset 39716) main_length), 80518#(<= (+ main_offset 39720) main_length), 80521#(<= (+ main_offset 39708) main_length), 80520#(<= (+ main_offset 39712) main_length), 80523#(<= (+ main_offset 39700) main_length), 80522#(<= (+ main_offset 39704) main_length), 80525#(<= (+ main_offset 39692) main_length), 80524#(<= (+ main_offset 39696) main_length), 80527#(<= (+ main_offset 39684) main_length), 80526#(<= (+ main_offset 39688) main_length), 80529#(<= (+ main_offset 39676) main_length), 80528#(<= (+ main_offset 39680) main_length), 80531#(<= (+ main_offset 39668) main_length), 80530#(<= (+ main_offset 39672) main_length), 80533#(<= (+ main_offset 39660) main_length), 80532#(<= (+ main_offset 39664) main_length), 80535#(<= (+ main_offset 39652) main_length), 80534#(<= (+ main_offset 39656) main_length), 80537#(<= (+ main_offset 39644) main_length), 80536#(<= (+ main_offset 39648) main_length), 80539#(<= (+ main_offset 39636) main_length), 80538#(<= (+ main_offset 39640) main_length), 80541#(<= (+ main_offset 39628) main_length), 80540#(<= (+ main_offset 39632) main_length), 80543#(<= (+ main_offset 39620) main_length), 80542#(<= (+ main_offset 39624) main_length), 80545#(<= (+ main_offset 39612) main_length), 80544#(<= (+ main_offset 39616) main_length), 80547#(<= (+ main_offset 39604) main_length), 80546#(<= (+ main_offset 39608) main_length), 80549#(<= (+ main_offset 39596) main_length), 80548#(<= (+ main_offset 39600) main_length), 80551#(<= (+ main_offset 39588) main_length), 80550#(<= (+ main_offset 39592) main_length), 80553#(<= (+ main_offset 39580) main_length), 80552#(<= (+ main_offset 39584) main_length), 80555#(<= (+ main_offset 39572) main_length), 80554#(<= (+ main_offset 39576) main_length), 80557#(<= (+ main_offset 39564) main_length), 80556#(<= (+ main_offset 39568) main_length), 80559#(<= (+ main_offset 39556) main_length), 80558#(<= (+ main_offset 39560) main_length), 80561#(<= (+ main_offset 39548) main_length), 80560#(<= (+ main_offset 39552) main_length), 80563#(<= (+ main_offset 39540) main_length), 80562#(<= (+ main_offset 39544) main_length), 80565#(<= (+ main_offset 39532) main_length), 80564#(<= (+ main_offset 39536) main_length), 80567#(<= (+ main_offset 39524) main_length), 80566#(<= (+ main_offset 39528) main_length), 80569#(<= (+ main_offset 39516) main_length), 80568#(<= (+ main_offset 39520) main_length), 80571#(<= (+ main_offset 39508) main_length), 80570#(<= (+ main_offset 39512) main_length), 80573#(<= (+ main_offset 39500) main_length), 80572#(<= (+ main_offset 39504) main_length), 80575#(<= (+ main_offset 39492) main_length), 80574#(<= (+ main_offset 39496) main_length), 80577#(<= (+ main_offset 39484) main_length), 80576#(<= (+ main_offset 39488) main_length), 80579#(<= (+ main_offset 39476) main_length), 80578#(<= (+ main_offset 39480) main_length)] [2018-07-23 13:55:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:17,109 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:55:17,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:55:17,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:55:17,111 INFO L87 Difference]: Start difference. First operand 266 states and 266 transitions. Second operand 134 states. [2018-07-23 13:55:17,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:17,475 INFO L93 Difference]: Finished difference Result 269 states and 269 transitions. [2018-07-23 13:55:17,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:55:17,475 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 265 [2018-07-23 13:55:17,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:17,476 INFO L225 Difference]: With dead ends: 269 [2018-07-23 13:55:17,476 INFO L226 Difference]: Without dead ends: 268 [2018-07-23 13:55:17,477 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:55:17,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-07-23 13:55:17,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2018-07-23 13:55:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-07-23 13:55:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 268 transitions. [2018-07-23 13:55:17,480 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 268 transitions. Word has length 265 [2018-07-23 13:55:17,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:17,481 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 268 transitions. [2018-07-23 13:55:17,481 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:55:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 268 transitions. [2018-07-23 13:55:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-07-23 13:55:17,481 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:17,482 INFO L357 BasicCegarLoop]: trace histogram [133, 132, 1, 1] [2018-07-23 13:55:17,482 INFO L414 AbstractCegarLoop]: === Iteration 133 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:17,482 INFO L82 PathProgramCache]: Analyzing trace with hash -386059288, now seen corresponding path program 132 times [2018-07-23 13:55:17,482 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:18,189 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:18,189 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:55:18,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:18,189 INFO L185 omatonBuilderFactory]: Interpolants [81665#(<= (+ main_offset 39964) main_length), 81664#(<= (+ main_offset 39968) main_length), 81667#(<= (+ main_offset 39956) main_length), 81666#(<= (+ main_offset 39960) main_length), 81669#(<= (+ main_offset 39948) main_length), 81668#(<= (+ main_offset 39952) main_length), 81671#(<= (+ main_offset 39940) main_length), 81670#(<= (+ main_offset 39944) main_length), 81673#(<= (+ main_offset 39932) main_length), 81672#(<= (+ main_offset 39936) main_length), 81675#(<= (+ main_offset 39924) main_length), 81674#(<= (+ main_offset 39928) main_length), 81677#(<= (+ main_offset 39916) main_length), 81676#(<= (+ main_offset 39920) main_length), 81679#(<= (+ main_offset 39908) main_length), 81678#(<= (+ main_offset 39912) main_length), 81681#(<= (+ main_offset 39900) main_length), 81680#(<= (+ main_offset 39904) main_length), 81683#(<= (+ main_offset 39892) main_length), 81682#(<= (+ main_offset 39896) main_length), 81685#(<= (+ main_offset 39884) main_length), 81684#(<= (+ main_offset 39888) main_length), 81687#(<= (+ main_offset 39876) main_length), 81686#(<= (+ main_offset 39880) main_length), 81689#(<= (+ main_offset 39868) main_length), 81688#(<= (+ main_offset 39872) main_length), 81691#(<= (+ main_offset 39860) main_length), 81690#(<= (+ main_offset 39864) main_length), 81693#(<= (+ main_offset 39852) main_length), 81692#(<= (+ main_offset 39856) main_length), 81695#(<= (+ main_offset 39844) main_length), 81694#(<= (+ main_offset 39848) main_length), 81697#(<= (+ main_offset 39836) main_length), 81696#(<= (+ main_offset 39840) main_length), 81699#(<= (+ main_offset 39828) main_length), 81698#(<= (+ main_offset 39832) main_length), 81701#(<= (+ main_offset 39820) main_length), 81700#(<= (+ main_offset 39824) main_length), 81703#(<= (+ main_offset 39812) main_length), 81702#(<= (+ main_offset 39816) main_length), 81705#(<= (+ main_offset 39804) main_length), 81704#(<= (+ main_offset 39808) main_length), 81707#(<= (+ main_offset 39796) main_length), 81706#(<= (+ main_offset 39800) main_length), 81709#(<= (+ main_offset 39788) main_length), 81708#(<= (+ main_offset 39792) main_length), 81711#(<= (+ main_offset 39780) main_length), 81710#(<= (+ main_offset 39784) main_length), 81713#(<= (+ main_offset 39772) main_length), 81712#(<= (+ main_offset 39776) main_length), 81715#(<= (+ main_offset 39764) main_length), 81714#(<= (+ main_offset 39768) main_length), 81717#(<= (+ main_offset 39756) main_length), 81716#(<= (+ main_offset 39760) main_length), 81719#(<= (+ main_offset 39748) main_length), 81718#(<= (+ main_offset 39752) main_length), 81721#(<= (+ main_offset 39740) main_length), 81720#(<= (+ main_offset 39744) main_length), 81723#(<= (+ main_offset 39732) main_length), 81722#(<= (+ main_offset 39736) main_length), 81725#(<= (+ main_offset 39724) main_length), 81724#(<= (+ main_offset 39728) main_length), 81727#(<= (+ main_offset 39716) main_length), 81726#(<= (+ main_offset 39720) main_length), 81729#(<= (+ main_offset 39708) main_length), 81728#(<= (+ main_offset 39712) main_length), 81731#(<= (+ main_offset 39700) main_length), 81730#(<= (+ main_offset 39704) main_length), 81733#(<= (+ main_offset 39692) main_length), 81732#(<= (+ main_offset 39696) main_length), 81735#(<= (+ main_offset 39684) main_length), 81734#(<= (+ main_offset 39688) main_length), 81737#(<= (+ main_offset 39676) main_length), 81736#(<= (+ main_offset 39680) main_length), 81739#(<= (+ main_offset 39668) main_length), 81738#(<= (+ main_offset 39672) main_length), 81741#(<= (+ main_offset 39660) main_length), 81740#(<= (+ main_offset 39664) main_length), 81743#(<= (+ main_offset 39652) main_length), 81742#(<= (+ main_offset 39656) main_length), 81745#(<= (+ main_offset 39644) main_length), 81744#(<= (+ main_offset 39648) main_length), 81747#(<= (+ main_offset 39636) main_length), 81746#(<= (+ main_offset 39640) main_length), 81749#(<= (+ main_offset 39628) main_length), 81748#(<= (+ main_offset 39632) main_length), 81751#(<= (+ main_offset 39620) main_length), 81750#(<= (+ main_offset 39624) main_length), 81753#(<= (+ main_offset 39612) main_length), 81752#(<= (+ main_offset 39616) main_length), 81755#(<= (+ main_offset 39604) main_length), 81754#(<= (+ main_offset 39608) main_length), 81757#(<= (+ main_offset 39596) main_length), 81756#(<= (+ main_offset 39600) main_length), 81759#(<= (+ main_offset 39588) main_length), 81758#(<= (+ main_offset 39592) main_length), 81761#(<= (+ main_offset 39580) main_length), 81760#(<= (+ main_offset 39584) main_length), 81763#(<= (+ main_offset 39572) main_length), 81762#(<= (+ main_offset 39576) main_length), 81765#(<= (+ main_offset 39564) main_length), 81764#(<= (+ main_offset 39568) main_length), 81767#(<= (+ main_offset 39556) main_length), 81766#(<= (+ main_offset 39560) main_length), 81769#(<= (+ main_offset 39548) main_length), 81768#(<= (+ main_offset 39552) main_length), 81771#(<= (+ main_offset 39540) main_length), 81770#(<= (+ main_offset 39544) main_length), 81773#(<= (+ main_offset 39532) main_length), 81772#(<= (+ main_offset 39536) main_length), 81775#(<= (+ main_offset 39524) main_length), 81774#(<= (+ main_offset 39528) main_length), 81777#(<= (+ main_offset 39516) main_length), 81776#(<= (+ main_offset 39520) main_length), 81779#(<= (+ main_offset 39508) main_length), 81778#(<= (+ main_offset 39512) main_length), 81781#(<= (+ main_offset 39500) main_length), 81780#(<= (+ main_offset 39504) main_length), 81783#(<= (+ main_offset 39492) main_length), 81782#(<= (+ main_offset 39496) main_length), 81785#(<= (+ main_offset 39484) main_length), 81784#(<= (+ main_offset 39488) main_length), 81787#(<= (+ main_offset 39476) main_length), 81786#(<= (+ main_offset 39480) main_length), 81788#(<= (+ main_offset 39472) main_length), 81655#false, 81654#true, 81657#(<= (+ main_offset 39996) main_length), 81656#(<= (+ main_offset 40000) main_length), 81659#(<= (+ main_offset 39988) main_length), 81658#(<= (+ main_offset 39992) main_length), 81661#(<= (+ main_offset 39980) main_length), 81660#(<= (+ main_offset 39984) main_length), 81663#(<= (+ main_offset 39972) main_length), 81662#(<= (+ main_offset 39976) main_length)] [2018-07-23 13:55:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:18,190 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:55:18,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:55:18,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:55:18,193 INFO L87 Difference]: Start difference. First operand 268 states and 268 transitions. Second operand 135 states. [2018-07-23 13:55:18,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:18,626 INFO L93 Difference]: Finished difference Result 271 states and 271 transitions. [2018-07-23 13:55:18,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:55:18,626 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 267 [2018-07-23 13:55:18,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:18,627 INFO L225 Difference]: With dead ends: 271 [2018-07-23 13:55:18,627 INFO L226 Difference]: Without dead ends: 270 [2018-07-23 13:55:18,628 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:55:18,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-07-23 13:55:18,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2018-07-23 13:55:18,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-07-23 13:55:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 270 transitions. [2018-07-23 13:55:18,632 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 270 transitions. Word has length 267 [2018-07-23 13:55:18,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:18,632 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 270 transitions. [2018-07-23 13:55:18,632 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:55:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 270 transitions. [2018-07-23 13:55:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-07-23 13:55:18,633 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:18,633 INFO L357 BasicCegarLoop]: trace histogram [134, 133, 1, 1] [2018-07-23 13:55:18,633 INFO L414 AbstractCegarLoop]: === Iteration 134 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:18,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1635787222, now seen corresponding path program 133 times [2018-07-23 13:55:18,633 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:19,360 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:19,360 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:55:19,361 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:19,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:19,361 INFO L185 omatonBuilderFactory]: Interpolants [82945#(<= (+ main_offset 39712) main_length), 82944#(<= (+ main_offset 39716) main_length), 82947#(<= (+ main_offset 39704) main_length), 82946#(<= (+ main_offset 39708) main_length), 82949#(<= (+ main_offset 39696) main_length), 82948#(<= (+ main_offset 39700) main_length), 82951#(<= (+ main_offset 39688) main_length), 82950#(<= (+ main_offset 39692) main_length), 82953#(<= (+ main_offset 39680) main_length), 82952#(<= (+ main_offset 39684) main_length), 82955#(<= (+ main_offset 39672) main_length), 82954#(<= (+ main_offset 39676) main_length), 82957#(<= (+ main_offset 39664) main_length), 82956#(<= (+ main_offset 39668) main_length), 82959#(<= (+ main_offset 39656) main_length), 82958#(<= (+ main_offset 39660) main_length), 82961#(<= (+ main_offset 39648) main_length), 82960#(<= (+ main_offset 39652) main_length), 82963#(<= (+ main_offset 39640) main_length), 82962#(<= (+ main_offset 39644) main_length), 82965#(<= (+ main_offset 39632) main_length), 82964#(<= (+ main_offset 39636) main_length), 82967#(<= (+ main_offset 39624) main_length), 82966#(<= (+ main_offset 39628) main_length), 82969#(<= (+ main_offset 39616) main_length), 82968#(<= (+ main_offset 39620) main_length), 82971#(<= (+ main_offset 39608) main_length), 82970#(<= (+ main_offset 39612) main_length), 82973#(<= (+ main_offset 39600) main_length), 82972#(<= (+ main_offset 39604) main_length), 82975#(<= (+ main_offset 39592) main_length), 82974#(<= (+ main_offset 39596) main_length), 82977#(<= (+ main_offset 39584) main_length), 82976#(<= (+ main_offset 39588) main_length), 82979#(<= (+ main_offset 39576) main_length), 82978#(<= (+ main_offset 39580) main_length), 82981#(<= (+ main_offset 39568) main_length), 82980#(<= (+ main_offset 39572) main_length), 82983#(<= (+ main_offset 39560) main_length), 82982#(<= (+ main_offset 39564) main_length), 82985#(<= (+ main_offset 39552) main_length), 82984#(<= (+ main_offset 39556) main_length), 82987#(<= (+ main_offset 39544) main_length), 82986#(<= (+ main_offset 39548) main_length), 82989#(<= (+ main_offset 39536) main_length), 82988#(<= (+ main_offset 39540) main_length), 82991#(<= (+ main_offset 39528) main_length), 82990#(<= (+ main_offset 39532) main_length), 82993#(<= (+ main_offset 39520) main_length), 82992#(<= (+ main_offset 39524) main_length), 82995#(<= (+ main_offset 39512) main_length), 82994#(<= (+ main_offset 39516) main_length), 82997#(<= (+ main_offset 39504) main_length), 82996#(<= (+ main_offset 39508) main_length), 82999#(<= (+ main_offset 39496) main_length), 82998#(<= (+ main_offset 39500) main_length), 83001#(<= (+ main_offset 39488) main_length), 83000#(<= (+ main_offset 39492) main_length), 83003#(<= (+ main_offset 39480) main_length), 83002#(<= (+ main_offset 39484) main_length), 83005#(<= (+ main_offset 39472) main_length), 83004#(<= (+ main_offset 39476) main_length), 83006#(<= (+ main_offset 39468) main_length), 82871#true, 82873#(<= (+ main_offset 40000) main_length), 82872#false, 82875#(<= (+ main_offset 39992) main_length), 82874#(<= (+ main_offset 39996) main_length), 82877#(<= (+ main_offset 39984) main_length), 82876#(<= (+ main_offset 39988) main_length), 82879#(<= (+ main_offset 39976) main_length), 82878#(<= (+ main_offset 39980) main_length), 82881#(<= (+ main_offset 39968) main_length), 82880#(<= (+ main_offset 39972) main_length), 82883#(<= (+ main_offset 39960) main_length), 82882#(<= (+ main_offset 39964) main_length), 82885#(<= (+ main_offset 39952) main_length), 82884#(<= (+ main_offset 39956) main_length), 82887#(<= (+ main_offset 39944) main_length), 82886#(<= (+ main_offset 39948) main_length), 82889#(<= (+ main_offset 39936) main_length), 82888#(<= (+ main_offset 39940) main_length), 82891#(<= (+ main_offset 39928) main_length), 82890#(<= (+ main_offset 39932) main_length), 82893#(<= (+ main_offset 39920) main_length), 82892#(<= (+ main_offset 39924) main_length), 82895#(<= (+ main_offset 39912) main_length), 82894#(<= (+ main_offset 39916) main_length), 82897#(<= (+ main_offset 39904) main_length), 82896#(<= (+ main_offset 39908) main_length), 82899#(<= (+ main_offset 39896) main_length), 82898#(<= (+ main_offset 39900) main_length), 82901#(<= (+ main_offset 39888) main_length), 82900#(<= (+ main_offset 39892) main_length), 82903#(<= (+ main_offset 39880) main_length), 82902#(<= (+ main_offset 39884) main_length), 82905#(<= (+ main_offset 39872) main_length), 82904#(<= (+ main_offset 39876) main_length), 82907#(<= (+ main_offset 39864) main_length), 82906#(<= (+ main_offset 39868) main_length), 82909#(<= (+ main_offset 39856) main_length), 82908#(<= (+ main_offset 39860) main_length), 82911#(<= (+ main_offset 39848) main_length), 82910#(<= (+ main_offset 39852) main_length), 82913#(<= (+ main_offset 39840) main_length), 82912#(<= (+ main_offset 39844) main_length), 82915#(<= (+ main_offset 39832) main_length), 82914#(<= (+ main_offset 39836) main_length), 82917#(<= (+ main_offset 39824) main_length), 82916#(<= (+ main_offset 39828) main_length), 82919#(<= (+ main_offset 39816) main_length), 82918#(<= (+ main_offset 39820) main_length), 82921#(<= (+ main_offset 39808) main_length), 82920#(<= (+ main_offset 39812) main_length), 82923#(<= (+ main_offset 39800) main_length), 82922#(<= (+ main_offset 39804) main_length), 82925#(<= (+ main_offset 39792) main_length), 82924#(<= (+ main_offset 39796) main_length), 82927#(<= (+ main_offset 39784) main_length), 82926#(<= (+ main_offset 39788) main_length), 82929#(<= (+ main_offset 39776) main_length), 82928#(<= (+ main_offset 39780) main_length), 82931#(<= (+ main_offset 39768) main_length), 82930#(<= (+ main_offset 39772) main_length), 82933#(<= (+ main_offset 39760) main_length), 82932#(<= (+ main_offset 39764) main_length), 82935#(<= (+ main_offset 39752) main_length), 82934#(<= (+ main_offset 39756) main_length), 82937#(<= (+ main_offset 39744) main_length), 82936#(<= (+ main_offset 39748) main_length), 82939#(<= (+ main_offset 39736) main_length), 82938#(<= (+ main_offset 39740) main_length), 82941#(<= (+ main_offset 39728) main_length), 82940#(<= (+ main_offset 39732) main_length), 82943#(<= (+ main_offset 39720) main_length), 82942#(<= (+ main_offset 39724) main_length)] [2018-07-23 13:55:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:19,363 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:55:19,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:55:19,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:55:19,366 INFO L87 Difference]: Start difference. First operand 270 states and 270 transitions. Second operand 136 states. [2018-07-23 13:55:19,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:19,556 INFO L93 Difference]: Finished difference Result 273 states and 273 transitions. [2018-07-23 13:55:19,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:55:19,556 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 269 [2018-07-23 13:55:19,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:19,557 INFO L225 Difference]: With dead ends: 273 [2018-07-23 13:55:19,557 INFO L226 Difference]: Without dead ends: 272 [2018-07-23 13:55:19,558 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:55:19,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-07-23 13:55:19,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2018-07-23 13:55:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-07-23 13:55:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 272 transitions. [2018-07-23 13:55:19,561 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 272 transitions. Word has length 269 [2018-07-23 13:55:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:19,562 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 272 transitions. [2018-07-23 13:55:19,562 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:55:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 272 transitions. [2018-07-23 13:55:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-07-23 13:55:19,562 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:19,563 INFO L357 BasicCegarLoop]: trace histogram [135, 134, 1, 1] [2018-07-23 13:55:19,563 INFO L414 AbstractCegarLoop]: === Iteration 135 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:19,563 INFO L82 PathProgramCache]: Analyzing trace with hash -33488916, now seen corresponding path program 134 times [2018-07-23 13:55:19,563 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:20,272 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:20,273 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:20,273 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:55:20,273 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:20,273 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 13:55:20,273 INFO L185 omatonBuilderFactory]: Interpolants [84225#(<= (+ main_offset 39496) main_length), 84224#(<= (+ main_offset 39500) main_length), 84227#(<= (+ main_offset 39488) main_length), 84226#(<= (+ main_offset 39492) main_length), 84229#(<= (+ main_offset 39480) main_length), 84228#(<= (+ main_offset 39484) main_length), 84231#(<= (+ main_offset 39472) main_length), 84230#(<= (+ main_offset 39476) main_length), 84233#(<= (+ main_offset 39464) main_length), 84232#(<= (+ main_offset 39468) main_length), 84097#true, 84099#(<= (+ main_offset 40000) main_length), 84098#false, 84101#(<= (+ main_offset 39992) main_length), 84100#(<= (+ main_offset 39996) main_length), 84103#(<= (+ main_offset 39984) main_length), 84102#(<= (+ main_offset 39988) main_length), 84105#(<= (+ main_offset 39976) main_length), 84104#(<= (+ main_offset 39980) main_length), 84107#(<= (+ main_offset 39968) main_length), 84106#(<= (+ main_offset 39972) main_length), 84109#(<= (+ main_offset 39960) main_length), 84108#(<= (+ main_offset 39964) main_length), 84111#(<= (+ main_offset 39952) main_length), 84110#(<= (+ main_offset 39956) main_length), 84113#(<= (+ main_offset 39944) main_length), 84112#(<= (+ main_offset 39948) main_length), 84115#(<= (+ main_offset 39936) main_length), 84114#(<= (+ main_offset 39940) main_length), 84117#(<= (+ main_offset 39928) main_length), 84116#(<= (+ main_offset 39932) main_length), 84119#(<= (+ main_offset 39920) main_length), 84118#(<= (+ main_offset 39924) main_length), 84121#(<= (+ main_offset 39912) main_length), 84120#(<= (+ main_offset 39916) main_length), 84123#(<= (+ main_offset 39904) main_length), 84122#(<= (+ main_offset 39908) main_length), 84125#(<= (+ main_offset 39896) main_length), 84124#(<= (+ main_offset 39900) main_length), 84127#(<= (+ main_offset 39888) main_length), 84126#(<= (+ main_offset 39892) main_length), 84129#(<= (+ main_offset 39880) main_length), 84128#(<= (+ main_offset 39884) main_length), 84131#(<= (+ main_offset 39872) main_length), 84130#(<= (+ main_offset 39876) main_length), 84133#(<= (+ main_offset 39864) main_length), 84132#(<= (+ main_offset 39868) main_length), 84135#(<= (+ main_offset 39856) main_length), 84134#(<= (+ main_offset 39860) main_length), 84137#(<= (+ main_offset 39848) main_length), 84136#(<= (+ main_offset 39852) main_length), 84139#(<= (+ main_offset 39840) main_length), 84138#(<= (+ main_offset 39844) main_length), 84141#(<= (+ main_offset 39832) main_length), 84140#(<= (+ main_offset 39836) main_length), 84143#(<= (+ main_offset 39824) main_length), 84142#(<= (+ main_offset 39828) main_length), 84145#(<= (+ main_offset 39816) main_length), 84144#(<= (+ main_offset 39820) main_length), 84147#(<= (+ main_offset 39808) main_length), 84146#(<= (+ main_offset 39812) main_length), 84149#(<= (+ main_offset 39800) main_length), 84148#(<= (+ main_offset 39804) main_length), 84151#(<= (+ main_offset 39792) main_length), 84150#(<= (+ main_offset 39796) main_length), 84153#(<= (+ main_offset 39784) main_length), 84152#(<= (+ main_offset 39788) main_length), 84155#(<= (+ main_offset 39776) main_length), 84154#(<= (+ main_offset 39780) main_length), 84157#(<= (+ main_offset 39768) main_length), 84156#(<= (+ main_offset 39772) main_length), 84159#(<= (+ main_offset 39760) main_length), 84158#(<= (+ main_offset 39764) main_length), 84161#(<= (+ main_offset 39752) main_length), 84160#(<= (+ main_offset 39756) main_length), 84163#(<= (+ main_offset 39744) main_length), 84162#(<= (+ main_offset 39748) main_length), 84165#(<= (+ main_offset 39736) main_length), 84164#(<= (+ main_offset 39740) main_length), 84167#(<= (+ main_offset 39728) main_length), 84166#(<= (+ main_offset 39732) main_length), 84169#(<= (+ main_offset 39720) main_length), 84168#(<= (+ main_offset 39724) main_length), 84171#(<= (+ main_offset 39712) main_length), 84170#(<= (+ main_offset 39716) main_length), 84173#(<= (+ main_offset 39704) main_length), 84172#(<= (+ main_offset 39708) main_length), 84175#(<= (+ main_offset 39696) main_length), 84174#(<= (+ main_offset 39700) main_length), 84177#(<= (+ main_offset 39688) main_length), 84176#(<= (+ main_offset 39692) main_length), 84179#(<= (+ main_offset 39680) main_length), 84178#(<= (+ main_offset 39684) main_length), 84181#(<= (+ main_offset 39672) main_length), 84180#(<= (+ main_offset 39676) main_length), 84183#(<= (+ main_offset 39664) main_length), 84182#(<= (+ main_offset 39668) main_length), 84185#(<= (+ main_offset 39656) main_length), 84184#(<= (+ main_offset 39660) main_length), 84187#(<= (+ main_offset 39648) main_length), 84186#(<= (+ main_offset 39652) main_length), 84189#(<= (+ main_offset 39640) main_length), 84188#(<= (+ main_offset 39644) main_length), 84191#(<= (+ main_offset 39632) main_length), 84190#(<= (+ main_offset 39636) main_length), 84193#(<= (+ main_offset 39624) main_length), 84192#(<= (+ main_offset 39628) main_length), 84195#(<= (+ main_offset 39616) main_length), 84194#(<= (+ main_offset 39620) main_length), 84197#(<= (+ main_offset 39608) main_length), 84196#(<= (+ main_offset 39612) main_length), 84199#(<= (+ main_offset 39600) main_length), 84198#(<= (+ main_offset 39604) main_length), 84201#(<= (+ main_offset 39592) main_length), 84200#(<= (+ main_offset 39596) main_length), 84203#(<= (+ main_offset 39584) main_length), 84202#(<= (+ main_offset 39588) main_length), 84205#(<= (+ main_offset 39576) main_length), 84204#(<= (+ main_offset 39580) main_length), 84207#(<= (+ main_offset 39568) main_length), 84206#(<= (+ main_offset 39572) main_length), 84209#(<= (+ main_offset 39560) main_length), 84208#(<= (+ main_offset 39564) main_length), 84211#(<= (+ main_offset 39552) main_length), 84210#(<= (+ main_offset 39556) main_length), 84213#(<= (+ main_offset 39544) main_length), 84212#(<= (+ main_offset 39548) main_length), 84215#(<= (+ main_offset 39536) main_length), 84214#(<= (+ main_offset 39540) main_length), 84217#(<= (+ main_offset 39528) main_length), 84216#(<= (+ main_offset 39532) main_length), 84219#(<= (+ main_offset 39520) main_length), 84218#(<= (+ main_offset 39524) main_length), 84221#(<= (+ main_offset 39512) main_length), 84220#(<= (+ main_offset 39516) main_length), 84223#(<= (+ main_offset 39504) main_length), 84222#(<= (+ main_offset 39508) main_length)] [2018-07-23 13:55:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:20,274 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:55:20,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:55:20,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:55:20,277 INFO L87 Difference]: Start difference. First operand 272 states and 272 transitions. Second operand 137 states. [2018-07-23 13:55:20,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:20,675 INFO L93 Difference]: Finished difference Result 275 states and 275 transitions. [2018-07-23 13:55:20,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:55:20,676 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 271 [2018-07-23 13:55:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:20,676 INFO L225 Difference]: With dead ends: 275 [2018-07-23 13:55:20,677 INFO L226 Difference]: Without dead ends: 274 [2018-07-23 13:55:20,678 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:55:20,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-07-23 13:55:20,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2018-07-23 13:55:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-07-23 13:55:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 274 transitions. [2018-07-23 13:55:20,684 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 274 transitions. Word has length 271 [2018-07-23 13:55:20,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:20,685 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 274 transitions. [2018-07-23 13:55:20,685 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:55:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 274 transitions. [2018-07-23 13:55:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-07-23 13:55:20,686 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:20,686 INFO L357 BasicCegarLoop]: trace histogram [136, 135, 1, 1] [2018-07-23 13:55:20,686 INFO L414 AbstractCegarLoop]: === Iteration 136 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:20,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2118076114, now seen corresponding path program 135 times [2018-07-23 13:55:20,687 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:21,580 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:21,580 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:55:21,580 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:21,581 INFO L185 omatonBuilderFactory]: Interpolants [85333#false, 85332#true, 85335#(<= (+ main_offset 39996) main_length), 85334#(<= (+ main_offset 40000) main_length), 85337#(<= (+ main_offset 39988) main_length), 85336#(<= (+ main_offset 39992) main_length), 85339#(<= (+ main_offset 39980) main_length), 85338#(<= (+ main_offset 39984) main_length), 85341#(<= (+ main_offset 39972) main_length), 85340#(<= (+ main_offset 39976) main_length), 85343#(<= (+ main_offset 39964) main_length), 85342#(<= (+ main_offset 39968) main_length), 85345#(<= (+ main_offset 39956) main_length), 85344#(<= (+ main_offset 39960) main_length), 85347#(<= (+ main_offset 39948) main_length), 85346#(<= (+ main_offset 39952) main_length), 85349#(<= (+ main_offset 39940) main_length), 85348#(<= (+ main_offset 39944) main_length), 85351#(<= (+ main_offset 39932) main_length), 85350#(<= (+ main_offset 39936) main_length), 85353#(<= (+ main_offset 39924) main_length), 85352#(<= (+ main_offset 39928) main_length), 85355#(<= (+ main_offset 39916) main_length), 85354#(<= (+ main_offset 39920) main_length), 85357#(<= (+ main_offset 39908) main_length), 85356#(<= (+ main_offset 39912) main_length), 85359#(<= (+ main_offset 39900) main_length), 85358#(<= (+ main_offset 39904) main_length), 85361#(<= (+ main_offset 39892) main_length), 85360#(<= (+ main_offset 39896) main_length), 85363#(<= (+ main_offset 39884) main_length), 85362#(<= (+ main_offset 39888) main_length), 85365#(<= (+ main_offset 39876) main_length), 85364#(<= (+ main_offset 39880) main_length), 85367#(<= (+ main_offset 39868) main_length), 85366#(<= (+ main_offset 39872) main_length), 85369#(<= (+ main_offset 39860) main_length), 85368#(<= (+ main_offset 39864) main_length), 85371#(<= (+ main_offset 39852) main_length), 85370#(<= (+ main_offset 39856) main_length), 85373#(<= (+ main_offset 39844) main_length), 85372#(<= (+ main_offset 39848) main_length), 85375#(<= (+ main_offset 39836) main_length), 85374#(<= (+ main_offset 39840) main_length), 85377#(<= (+ main_offset 39828) main_length), 85376#(<= (+ main_offset 39832) main_length), 85379#(<= (+ main_offset 39820) main_length), 85378#(<= (+ main_offset 39824) main_length), 85381#(<= (+ main_offset 39812) main_length), 85380#(<= (+ main_offset 39816) main_length), 85383#(<= (+ main_offset 39804) main_length), 85382#(<= (+ main_offset 39808) main_length), 85385#(<= (+ main_offset 39796) main_length), 85384#(<= (+ main_offset 39800) main_length), 85387#(<= (+ main_offset 39788) main_length), 85386#(<= (+ main_offset 39792) main_length), 85389#(<= (+ main_offset 39780) main_length), 85388#(<= (+ main_offset 39784) main_length), 85391#(<= (+ main_offset 39772) main_length), 85390#(<= (+ main_offset 39776) main_length), 85393#(<= (+ main_offset 39764) main_length), 85392#(<= (+ main_offset 39768) main_length), 85395#(<= (+ main_offset 39756) main_length), 85394#(<= (+ main_offset 39760) main_length), 85397#(<= (+ main_offset 39748) main_length), 85396#(<= (+ main_offset 39752) main_length), 85399#(<= (+ main_offset 39740) main_length), 85398#(<= (+ main_offset 39744) main_length), 85401#(<= (+ main_offset 39732) main_length), 85400#(<= (+ main_offset 39736) main_length), 85403#(<= (+ main_offset 39724) main_length), 85402#(<= (+ main_offset 39728) main_length), 85405#(<= (+ main_offset 39716) main_length), 85404#(<= (+ main_offset 39720) main_length), 85407#(<= (+ main_offset 39708) main_length), 85406#(<= (+ main_offset 39712) main_length), 85409#(<= (+ main_offset 39700) main_length), 85408#(<= (+ main_offset 39704) main_length), 85411#(<= (+ main_offset 39692) main_length), 85410#(<= (+ main_offset 39696) main_length), 85413#(<= (+ main_offset 39684) main_length), 85412#(<= (+ main_offset 39688) main_length), 85415#(<= (+ main_offset 39676) main_length), 85414#(<= (+ main_offset 39680) main_length), 85417#(<= (+ main_offset 39668) main_length), 85416#(<= (+ main_offset 39672) main_length), 85419#(<= (+ main_offset 39660) main_length), 85418#(<= (+ main_offset 39664) main_length), 85421#(<= (+ main_offset 39652) main_length), 85420#(<= (+ main_offset 39656) main_length), 85423#(<= (+ main_offset 39644) main_length), 85422#(<= (+ main_offset 39648) main_length), 85425#(<= (+ main_offset 39636) main_length), 85424#(<= (+ main_offset 39640) main_length), 85427#(<= (+ main_offset 39628) main_length), 85426#(<= (+ main_offset 39632) main_length), 85429#(<= (+ main_offset 39620) main_length), 85428#(<= (+ main_offset 39624) main_length), 85431#(<= (+ main_offset 39612) main_length), 85430#(<= (+ main_offset 39616) main_length), 85433#(<= (+ main_offset 39604) main_length), 85432#(<= (+ main_offset 39608) main_length), 85435#(<= (+ main_offset 39596) main_length), 85434#(<= (+ main_offset 39600) main_length), 85437#(<= (+ main_offset 39588) main_length), 85436#(<= (+ main_offset 39592) main_length), 85439#(<= (+ main_offset 39580) main_length), 85438#(<= (+ main_offset 39584) main_length), 85441#(<= (+ main_offset 39572) main_length), 85440#(<= (+ main_offset 39576) main_length), 85443#(<= (+ main_offset 39564) main_length), 85442#(<= (+ main_offset 39568) main_length), 85445#(<= (+ main_offset 39556) main_length), 85444#(<= (+ main_offset 39560) main_length), 85447#(<= (+ main_offset 39548) main_length), 85446#(<= (+ main_offset 39552) main_length), 85449#(<= (+ main_offset 39540) main_length), 85448#(<= (+ main_offset 39544) main_length), 85451#(<= (+ main_offset 39532) main_length), 85450#(<= (+ main_offset 39536) main_length), 85453#(<= (+ main_offset 39524) main_length), 85452#(<= (+ main_offset 39528) main_length), 85455#(<= (+ main_offset 39516) main_length), 85454#(<= (+ main_offset 39520) main_length), 85457#(<= (+ main_offset 39508) main_length), 85456#(<= (+ main_offset 39512) main_length), 85459#(<= (+ main_offset 39500) main_length), 85458#(<= (+ main_offset 39504) main_length), 85461#(<= (+ main_offset 39492) main_length), 85460#(<= (+ main_offset 39496) main_length), 85463#(<= (+ main_offset 39484) main_length), 85462#(<= (+ main_offset 39488) main_length), 85465#(<= (+ main_offset 39476) main_length), 85464#(<= (+ main_offset 39480) main_length), 85467#(<= (+ main_offset 39468) main_length), 85466#(<= (+ main_offset 39472) main_length), 85469#(<= (+ main_offset 39460) main_length), 85468#(<= (+ main_offset 39464) main_length)] [2018-07-23 13:55:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:21,582 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:55:21,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:55:21,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:55:21,584 INFO L87 Difference]: Start difference. First operand 274 states and 274 transitions. Second operand 138 states. [2018-07-23 13:55:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:22,022 INFO L93 Difference]: Finished difference Result 277 states and 277 transitions. [2018-07-23 13:55:22,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:55:22,023 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 273 [2018-07-23 13:55:22,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:22,023 INFO L225 Difference]: With dead ends: 277 [2018-07-23 13:55:22,023 INFO L226 Difference]: Without dead ends: 276 [2018-07-23 13:55:22,024 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:55:22,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-07-23 13:55:22,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2018-07-23 13:55:22,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-07-23 13:55:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 276 transitions. [2018-07-23 13:55:22,028 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 276 transitions. Word has length 273 [2018-07-23 13:55:22,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:22,028 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 276 transitions. [2018-07-23 13:55:22,028 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:55:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 276 transitions. [2018-07-23 13:55:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-07-23 13:55:22,029 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:22,029 INFO L357 BasicCegarLoop]: trace histogram [137, 136, 1, 1] [2018-07-23 13:55:22,029 INFO L414 AbstractCegarLoop]: === Iteration 137 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:22,029 INFO L82 PathProgramCache]: Analyzing trace with hash 343353840, now seen corresponding path program 136 times [2018-07-23 13:55:22,030 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:22,753 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:22,753 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:22,753 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:55:22,754 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:22,754 INFO L185 omatonBuilderFactory]: Interpolants [86577#false, 86576#true, 86579#(<= (+ main_offset 39996) main_length), 86578#(<= (+ main_offset 40000) main_length), 86581#(<= (+ main_offset 39988) main_length), 86580#(<= (+ main_offset 39992) main_length), 86583#(<= (+ main_offset 39980) main_length), 86582#(<= (+ main_offset 39984) main_length), 86585#(<= (+ main_offset 39972) main_length), 86584#(<= (+ main_offset 39976) main_length), 86587#(<= (+ main_offset 39964) main_length), 86586#(<= (+ main_offset 39968) main_length), 86589#(<= (+ main_offset 39956) main_length), 86588#(<= (+ main_offset 39960) main_length), 86591#(<= (+ main_offset 39948) main_length), 86590#(<= (+ main_offset 39952) main_length), 86593#(<= (+ main_offset 39940) main_length), 86592#(<= (+ main_offset 39944) main_length), 86595#(<= (+ main_offset 39932) main_length), 86594#(<= (+ main_offset 39936) main_length), 86597#(<= (+ main_offset 39924) main_length), 86596#(<= (+ main_offset 39928) main_length), 86599#(<= (+ main_offset 39916) main_length), 86598#(<= (+ main_offset 39920) main_length), 86601#(<= (+ main_offset 39908) main_length), 86600#(<= (+ main_offset 39912) main_length), 86603#(<= (+ main_offset 39900) main_length), 86602#(<= (+ main_offset 39904) main_length), 86605#(<= (+ main_offset 39892) main_length), 86604#(<= (+ main_offset 39896) main_length), 86607#(<= (+ main_offset 39884) main_length), 86606#(<= (+ main_offset 39888) main_length), 86609#(<= (+ main_offset 39876) main_length), 86608#(<= (+ main_offset 39880) main_length), 86611#(<= (+ main_offset 39868) main_length), 86610#(<= (+ main_offset 39872) main_length), 86613#(<= (+ main_offset 39860) main_length), 86612#(<= (+ main_offset 39864) main_length), 86615#(<= (+ main_offset 39852) main_length), 86614#(<= (+ main_offset 39856) main_length), 86617#(<= (+ main_offset 39844) main_length), 86616#(<= (+ main_offset 39848) main_length), 86619#(<= (+ main_offset 39836) main_length), 86618#(<= (+ main_offset 39840) main_length), 86621#(<= (+ main_offset 39828) main_length), 86620#(<= (+ main_offset 39832) main_length), 86623#(<= (+ main_offset 39820) main_length), 86622#(<= (+ main_offset 39824) main_length), 86625#(<= (+ main_offset 39812) main_length), 86624#(<= (+ main_offset 39816) main_length), 86627#(<= (+ main_offset 39804) main_length), 86626#(<= (+ main_offset 39808) main_length), 86629#(<= (+ main_offset 39796) main_length), 86628#(<= (+ main_offset 39800) main_length), 86631#(<= (+ main_offset 39788) main_length), 86630#(<= (+ main_offset 39792) main_length), 86633#(<= (+ main_offset 39780) main_length), 86632#(<= (+ main_offset 39784) main_length), 86635#(<= (+ main_offset 39772) main_length), 86634#(<= (+ main_offset 39776) main_length), 86637#(<= (+ main_offset 39764) main_length), 86636#(<= (+ main_offset 39768) main_length), 86639#(<= (+ main_offset 39756) main_length), 86638#(<= (+ main_offset 39760) main_length), 86641#(<= (+ main_offset 39748) main_length), 86640#(<= (+ main_offset 39752) main_length), 86643#(<= (+ main_offset 39740) main_length), 86642#(<= (+ main_offset 39744) main_length), 86645#(<= (+ main_offset 39732) main_length), 86644#(<= (+ main_offset 39736) main_length), 86647#(<= (+ main_offset 39724) main_length), 86646#(<= (+ main_offset 39728) main_length), 86649#(<= (+ main_offset 39716) main_length), 86648#(<= (+ main_offset 39720) main_length), 86651#(<= (+ main_offset 39708) main_length), 86650#(<= (+ main_offset 39712) main_length), 86653#(<= (+ main_offset 39700) main_length), 86652#(<= (+ main_offset 39704) main_length), 86655#(<= (+ main_offset 39692) main_length), 86654#(<= (+ main_offset 39696) main_length), 86657#(<= (+ main_offset 39684) main_length), 86656#(<= (+ main_offset 39688) main_length), 86659#(<= (+ main_offset 39676) main_length), 86658#(<= (+ main_offset 39680) main_length), 86661#(<= (+ main_offset 39668) main_length), 86660#(<= (+ main_offset 39672) main_length), 86663#(<= (+ main_offset 39660) main_length), 86662#(<= (+ main_offset 39664) main_length), 86665#(<= (+ main_offset 39652) main_length), 86664#(<= (+ main_offset 39656) main_length), 86667#(<= (+ main_offset 39644) main_length), 86666#(<= (+ main_offset 39648) main_length), 86669#(<= (+ main_offset 39636) main_length), 86668#(<= (+ main_offset 39640) main_length), 86671#(<= (+ main_offset 39628) main_length), 86670#(<= (+ main_offset 39632) main_length), 86673#(<= (+ main_offset 39620) main_length), 86672#(<= (+ main_offset 39624) main_length), 86675#(<= (+ main_offset 39612) main_length), 86674#(<= (+ main_offset 39616) main_length), 86677#(<= (+ main_offset 39604) main_length), 86676#(<= (+ main_offset 39608) main_length), 86679#(<= (+ main_offset 39596) main_length), 86678#(<= (+ main_offset 39600) main_length), 86681#(<= (+ main_offset 39588) main_length), 86680#(<= (+ main_offset 39592) main_length), 86683#(<= (+ main_offset 39580) main_length), 86682#(<= (+ main_offset 39584) main_length), 86685#(<= (+ main_offset 39572) main_length), 86684#(<= (+ main_offset 39576) main_length), 86687#(<= (+ main_offset 39564) main_length), 86686#(<= (+ main_offset 39568) main_length), 86689#(<= (+ main_offset 39556) main_length), 86688#(<= (+ main_offset 39560) main_length), 86691#(<= (+ main_offset 39548) main_length), 86690#(<= (+ main_offset 39552) main_length), 86693#(<= (+ main_offset 39540) main_length), 86692#(<= (+ main_offset 39544) main_length), 86695#(<= (+ main_offset 39532) main_length), 86694#(<= (+ main_offset 39536) main_length), 86697#(<= (+ main_offset 39524) main_length), 86696#(<= (+ main_offset 39528) main_length), 86699#(<= (+ main_offset 39516) main_length), 86698#(<= (+ main_offset 39520) main_length), 86701#(<= (+ main_offset 39508) main_length), 86700#(<= (+ main_offset 39512) main_length), 86703#(<= (+ main_offset 39500) main_length), 86702#(<= (+ main_offset 39504) main_length), 86705#(<= (+ main_offset 39492) main_length), 86704#(<= (+ main_offset 39496) main_length), 86707#(<= (+ main_offset 39484) main_length), 86706#(<= (+ main_offset 39488) main_length), 86709#(<= (+ main_offset 39476) main_length), 86708#(<= (+ main_offset 39480) main_length), 86711#(<= (+ main_offset 39468) main_length), 86710#(<= (+ main_offset 39472) main_length), 86713#(<= (+ main_offset 39460) main_length), 86712#(<= (+ main_offset 39464) main_length), 86714#(<= (+ main_offset 39456) main_length)] [2018-07-23 13:55:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:22,755 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:55:22,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:55:22,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:55:22,757 INFO L87 Difference]: Start difference. First operand 276 states and 276 transitions. Second operand 139 states. [2018-07-23 13:55:23,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:23,208 INFO L93 Difference]: Finished difference Result 279 states and 279 transitions. [2018-07-23 13:55:23,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:55:23,209 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 275 [2018-07-23 13:55:23,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:23,209 INFO L225 Difference]: With dead ends: 279 [2018-07-23 13:55:23,209 INFO L226 Difference]: Without dead ends: 278 [2018-07-23 13:55:23,211 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:55:23,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-07-23 13:55:23,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-07-23 13:55:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-07-23 13:55:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 278 transitions. [2018-07-23 13:55:23,215 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 278 transitions. Word has length 275 [2018-07-23 13:55:23,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:23,215 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 278 transitions. [2018-07-23 13:55:23,215 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:55:23,215 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 278 transitions. [2018-07-23 13:55:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-07-23 13:55:23,216 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:23,216 INFO L357 BasicCegarLoop]: trace histogram [138, 137, 1, 1] [2018-07-23 13:55:23,216 INFO L414 AbstractCegarLoop]: === Iteration 138 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:23,216 INFO L82 PathProgramCache]: Analyzing trace with hash -749440462, now seen corresponding path program 137 times [2018-07-23 13:55:23,216 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:23,999 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:23,999 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:55:23,999 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:24,000 INFO L185 omatonBuilderFactory]: Interpolants [87829#true, 87831#(<= (+ main_offset 40000) main_length), 87830#false, 87833#(<= (+ main_offset 39992) main_length), 87832#(<= (+ main_offset 39996) main_length), 87835#(<= (+ main_offset 39984) main_length), 87834#(<= (+ main_offset 39988) main_length), 87837#(<= (+ main_offset 39976) main_length), 87836#(<= (+ main_offset 39980) main_length), 87839#(<= (+ main_offset 39968) main_length), 87838#(<= (+ main_offset 39972) main_length), 87841#(<= (+ main_offset 39960) main_length), 87840#(<= (+ main_offset 39964) main_length), 87843#(<= (+ main_offset 39952) main_length), 87842#(<= (+ main_offset 39956) main_length), 87845#(<= (+ main_offset 39944) main_length), 87844#(<= (+ main_offset 39948) main_length), 87847#(<= (+ main_offset 39936) main_length), 87846#(<= (+ main_offset 39940) main_length), 87849#(<= (+ main_offset 39928) main_length), 87848#(<= (+ main_offset 39932) main_length), 87851#(<= (+ main_offset 39920) main_length), 87850#(<= (+ main_offset 39924) main_length), 87853#(<= (+ main_offset 39912) main_length), 87852#(<= (+ main_offset 39916) main_length), 87855#(<= (+ main_offset 39904) main_length), 87854#(<= (+ main_offset 39908) main_length), 87857#(<= (+ main_offset 39896) main_length), 87856#(<= (+ main_offset 39900) main_length), 87859#(<= (+ main_offset 39888) main_length), 87858#(<= (+ main_offset 39892) main_length), 87861#(<= (+ main_offset 39880) main_length), 87860#(<= (+ main_offset 39884) main_length), 87863#(<= (+ main_offset 39872) main_length), 87862#(<= (+ main_offset 39876) main_length), 87865#(<= (+ main_offset 39864) main_length), 87864#(<= (+ main_offset 39868) main_length), 87867#(<= (+ main_offset 39856) main_length), 87866#(<= (+ main_offset 39860) main_length), 87869#(<= (+ main_offset 39848) main_length), 87868#(<= (+ main_offset 39852) main_length), 87871#(<= (+ main_offset 39840) main_length), 87870#(<= (+ main_offset 39844) main_length), 87873#(<= (+ main_offset 39832) main_length), 87872#(<= (+ main_offset 39836) main_length), 87875#(<= (+ main_offset 39824) main_length), 87874#(<= (+ main_offset 39828) main_length), 87877#(<= (+ main_offset 39816) main_length), 87876#(<= (+ main_offset 39820) main_length), 87879#(<= (+ main_offset 39808) main_length), 87878#(<= (+ main_offset 39812) main_length), 87881#(<= (+ main_offset 39800) main_length), 87880#(<= (+ main_offset 39804) main_length), 87883#(<= (+ main_offset 39792) main_length), 87882#(<= (+ main_offset 39796) main_length), 87885#(<= (+ main_offset 39784) main_length), 87884#(<= (+ main_offset 39788) main_length), 87887#(<= (+ main_offset 39776) main_length), 87886#(<= (+ main_offset 39780) main_length), 87889#(<= (+ main_offset 39768) main_length), 87888#(<= (+ main_offset 39772) main_length), 87891#(<= (+ main_offset 39760) main_length), 87890#(<= (+ main_offset 39764) main_length), 87893#(<= (+ main_offset 39752) main_length), 87892#(<= (+ main_offset 39756) main_length), 87895#(<= (+ main_offset 39744) main_length), 87894#(<= (+ main_offset 39748) main_length), 87897#(<= (+ main_offset 39736) main_length), 87896#(<= (+ main_offset 39740) main_length), 87899#(<= (+ main_offset 39728) main_length), 87898#(<= (+ main_offset 39732) main_length), 87901#(<= (+ main_offset 39720) main_length), 87900#(<= (+ main_offset 39724) main_length), 87903#(<= (+ main_offset 39712) main_length), 87902#(<= (+ main_offset 39716) main_length), 87905#(<= (+ main_offset 39704) main_length), 87904#(<= (+ main_offset 39708) main_length), 87907#(<= (+ main_offset 39696) main_length), 87906#(<= (+ main_offset 39700) main_length), 87909#(<= (+ main_offset 39688) main_length), 87908#(<= (+ main_offset 39692) main_length), 87911#(<= (+ main_offset 39680) main_length), 87910#(<= (+ main_offset 39684) main_length), 87913#(<= (+ main_offset 39672) main_length), 87912#(<= (+ main_offset 39676) main_length), 87915#(<= (+ main_offset 39664) main_length), 87914#(<= (+ main_offset 39668) main_length), 87917#(<= (+ main_offset 39656) main_length), 87916#(<= (+ main_offset 39660) main_length), 87919#(<= (+ main_offset 39648) main_length), 87918#(<= (+ main_offset 39652) main_length), 87921#(<= (+ main_offset 39640) main_length), 87920#(<= (+ main_offset 39644) main_length), 87923#(<= (+ main_offset 39632) main_length), 87922#(<= (+ main_offset 39636) main_length), 87925#(<= (+ main_offset 39624) main_length), 87924#(<= (+ main_offset 39628) main_length), 87927#(<= (+ main_offset 39616) main_length), 87926#(<= (+ main_offset 39620) main_length), 87929#(<= (+ main_offset 39608) main_length), 87928#(<= (+ main_offset 39612) main_length), 87931#(<= (+ main_offset 39600) main_length), 87930#(<= (+ main_offset 39604) main_length), 87933#(<= (+ main_offset 39592) main_length), 87932#(<= (+ main_offset 39596) main_length), 87935#(<= (+ main_offset 39584) main_length), 87934#(<= (+ main_offset 39588) main_length), 87937#(<= (+ main_offset 39576) main_length), 87936#(<= (+ main_offset 39580) main_length), 87939#(<= (+ main_offset 39568) main_length), 87938#(<= (+ main_offset 39572) main_length), 87941#(<= (+ main_offset 39560) main_length), 87940#(<= (+ main_offset 39564) main_length), 87943#(<= (+ main_offset 39552) main_length), 87942#(<= (+ main_offset 39556) main_length), 87945#(<= (+ main_offset 39544) main_length), 87944#(<= (+ main_offset 39548) main_length), 87947#(<= (+ main_offset 39536) main_length), 87946#(<= (+ main_offset 39540) main_length), 87949#(<= (+ main_offset 39528) main_length), 87948#(<= (+ main_offset 39532) main_length), 87951#(<= (+ main_offset 39520) main_length), 87950#(<= (+ main_offset 39524) main_length), 87953#(<= (+ main_offset 39512) main_length), 87952#(<= (+ main_offset 39516) main_length), 87955#(<= (+ main_offset 39504) main_length), 87954#(<= (+ main_offset 39508) main_length), 87957#(<= (+ main_offset 39496) main_length), 87956#(<= (+ main_offset 39500) main_length), 87959#(<= (+ main_offset 39488) main_length), 87958#(<= (+ main_offset 39492) main_length), 87961#(<= (+ main_offset 39480) main_length), 87960#(<= (+ main_offset 39484) main_length), 87963#(<= (+ main_offset 39472) main_length), 87962#(<= (+ main_offset 39476) main_length), 87965#(<= (+ main_offset 39464) main_length), 87964#(<= (+ main_offset 39468) main_length), 87967#(<= (+ main_offset 39456) main_length), 87966#(<= (+ main_offset 39460) main_length), 87968#(<= (+ main_offset 39452) main_length)] [2018-07-23 13:55:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:24,000 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:55:24,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:55:24,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:55:24,002 INFO L87 Difference]: Start difference. First operand 278 states and 278 transitions. Second operand 140 states. [2018-07-23 13:55:24,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:24,511 INFO L93 Difference]: Finished difference Result 281 states and 281 transitions. [2018-07-23 13:55:24,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:55:24,512 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 277 [2018-07-23 13:55:24,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:24,512 INFO L225 Difference]: With dead ends: 281 [2018-07-23 13:55:24,512 INFO L226 Difference]: Without dead ends: 280 [2018-07-23 13:55:24,513 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:55:24,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-07-23 13:55:24,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2018-07-23 13:55:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-07-23 13:55:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 280 transitions. [2018-07-23 13:55:24,516 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 280 transitions. Word has length 277 [2018-07-23 13:55:24,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:24,517 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 280 transitions. [2018-07-23 13:55:24,517 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:55:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 280 transitions. [2018-07-23 13:55:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-07-23 13:55:24,517 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:24,518 INFO L357 BasicCegarLoop]: trace histogram [139, 138, 1, 1] [2018-07-23 13:55:24,518 INFO L414 AbstractCegarLoop]: === Iteration 139 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:24,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1342222836, now seen corresponding path program 138 times [2018-07-23 13:55:24,518 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:25,260 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:25,260 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:55:25,261 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:25,261 INFO L185 omatonBuilderFactory]: Interpolants [89091#true, 89093#(<= (+ main_offset 40000) main_length), 89092#false, 89095#(<= (+ main_offset 39992) main_length), 89094#(<= (+ main_offset 39996) main_length), 89097#(<= (+ main_offset 39984) main_length), 89096#(<= (+ main_offset 39988) main_length), 89099#(<= (+ main_offset 39976) main_length), 89098#(<= (+ main_offset 39980) main_length), 89101#(<= (+ main_offset 39968) main_length), 89100#(<= (+ main_offset 39972) main_length), 89103#(<= (+ main_offset 39960) main_length), 89102#(<= (+ main_offset 39964) main_length), 89105#(<= (+ main_offset 39952) main_length), 89104#(<= (+ main_offset 39956) main_length), 89107#(<= (+ main_offset 39944) main_length), 89106#(<= (+ main_offset 39948) main_length), 89109#(<= (+ main_offset 39936) main_length), 89108#(<= (+ main_offset 39940) main_length), 89111#(<= (+ main_offset 39928) main_length), 89110#(<= (+ main_offset 39932) main_length), 89113#(<= (+ main_offset 39920) main_length), 89112#(<= (+ main_offset 39924) main_length), 89115#(<= (+ main_offset 39912) main_length), 89114#(<= (+ main_offset 39916) main_length), 89117#(<= (+ main_offset 39904) main_length), 89116#(<= (+ main_offset 39908) main_length), 89119#(<= (+ main_offset 39896) main_length), 89118#(<= (+ main_offset 39900) main_length), 89121#(<= (+ main_offset 39888) main_length), 89120#(<= (+ main_offset 39892) main_length), 89123#(<= (+ main_offset 39880) main_length), 89122#(<= (+ main_offset 39884) main_length), 89125#(<= (+ main_offset 39872) main_length), 89124#(<= (+ main_offset 39876) main_length), 89127#(<= (+ main_offset 39864) main_length), 89126#(<= (+ main_offset 39868) main_length), 89129#(<= (+ main_offset 39856) main_length), 89128#(<= (+ main_offset 39860) main_length), 89131#(<= (+ main_offset 39848) main_length), 89130#(<= (+ main_offset 39852) main_length), 89133#(<= (+ main_offset 39840) main_length), 89132#(<= (+ main_offset 39844) main_length), 89135#(<= (+ main_offset 39832) main_length), 89134#(<= (+ main_offset 39836) main_length), 89137#(<= (+ main_offset 39824) main_length), 89136#(<= (+ main_offset 39828) main_length), 89139#(<= (+ main_offset 39816) main_length), 89138#(<= (+ main_offset 39820) main_length), 89141#(<= (+ main_offset 39808) main_length), 89140#(<= (+ main_offset 39812) main_length), 89143#(<= (+ main_offset 39800) main_length), 89142#(<= (+ main_offset 39804) main_length), 89145#(<= (+ main_offset 39792) main_length), 89144#(<= (+ main_offset 39796) main_length), 89147#(<= (+ main_offset 39784) main_length), 89146#(<= (+ main_offset 39788) main_length), 89149#(<= (+ main_offset 39776) main_length), 89148#(<= (+ main_offset 39780) main_length), 89151#(<= (+ main_offset 39768) main_length), 89150#(<= (+ main_offset 39772) main_length), 89153#(<= (+ main_offset 39760) main_length), 89152#(<= (+ main_offset 39764) main_length), 89155#(<= (+ main_offset 39752) main_length), 89154#(<= (+ main_offset 39756) main_length), 89157#(<= (+ main_offset 39744) main_length), 89156#(<= (+ main_offset 39748) main_length), 89159#(<= (+ main_offset 39736) main_length), 89158#(<= (+ main_offset 39740) main_length), 89161#(<= (+ main_offset 39728) main_length), 89160#(<= (+ main_offset 39732) main_length), 89163#(<= (+ main_offset 39720) main_length), 89162#(<= (+ main_offset 39724) main_length), 89165#(<= (+ main_offset 39712) main_length), 89164#(<= (+ main_offset 39716) main_length), 89167#(<= (+ main_offset 39704) main_length), 89166#(<= (+ main_offset 39708) main_length), 89169#(<= (+ main_offset 39696) main_length), 89168#(<= (+ main_offset 39700) main_length), 89171#(<= (+ main_offset 39688) main_length), 89170#(<= (+ main_offset 39692) main_length), 89173#(<= (+ main_offset 39680) main_length), 89172#(<= (+ main_offset 39684) main_length), 89175#(<= (+ main_offset 39672) main_length), 89174#(<= (+ main_offset 39676) main_length), 89177#(<= (+ main_offset 39664) main_length), 89176#(<= (+ main_offset 39668) main_length), 89179#(<= (+ main_offset 39656) main_length), 89178#(<= (+ main_offset 39660) main_length), 89181#(<= (+ main_offset 39648) main_length), 89180#(<= (+ main_offset 39652) main_length), 89183#(<= (+ main_offset 39640) main_length), 89182#(<= (+ main_offset 39644) main_length), 89185#(<= (+ main_offset 39632) main_length), 89184#(<= (+ main_offset 39636) main_length), 89187#(<= (+ main_offset 39624) main_length), 89186#(<= (+ main_offset 39628) main_length), 89189#(<= (+ main_offset 39616) main_length), 89188#(<= (+ main_offset 39620) main_length), 89191#(<= (+ main_offset 39608) main_length), 89190#(<= (+ main_offset 39612) main_length), 89193#(<= (+ main_offset 39600) main_length), 89192#(<= (+ main_offset 39604) main_length), 89195#(<= (+ main_offset 39592) main_length), 89194#(<= (+ main_offset 39596) main_length), 89197#(<= (+ main_offset 39584) main_length), 89196#(<= (+ main_offset 39588) main_length), 89199#(<= (+ main_offset 39576) main_length), 89198#(<= (+ main_offset 39580) main_length), 89201#(<= (+ main_offset 39568) main_length), 89200#(<= (+ main_offset 39572) main_length), 89203#(<= (+ main_offset 39560) main_length), 89202#(<= (+ main_offset 39564) main_length), 89205#(<= (+ main_offset 39552) main_length), 89204#(<= (+ main_offset 39556) main_length), 89207#(<= (+ main_offset 39544) main_length), 89206#(<= (+ main_offset 39548) main_length), 89209#(<= (+ main_offset 39536) main_length), 89208#(<= (+ main_offset 39540) main_length), 89211#(<= (+ main_offset 39528) main_length), 89210#(<= (+ main_offset 39532) main_length), 89213#(<= (+ main_offset 39520) main_length), 89212#(<= (+ main_offset 39524) main_length), 89215#(<= (+ main_offset 39512) main_length), 89214#(<= (+ main_offset 39516) main_length), 89217#(<= (+ main_offset 39504) main_length), 89216#(<= (+ main_offset 39508) main_length), 89219#(<= (+ main_offset 39496) main_length), 89218#(<= (+ main_offset 39500) main_length), 89221#(<= (+ main_offset 39488) main_length), 89220#(<= (+ main_offset 39492) main_length), 89223#(<= (+ main_offset 39480) main_length), 89222#(<= (+ main_offset 39484) main_length), 89225#(<= (+ main_offset 39472) main_length), 89224#(<= (+ main_offset 39476) main_length), 89227#(<= (+ main_offset 39464) main_length), 89226#(<= (+ main_offset 39468) main_length), 89229#(<= (+ main_offset 39456) main_length), 89228#(<= (+ main_offset 39460) main_length), 89231#(<= (+ main_offset 39448) main_length), 89230#(<= (+ main_offset 39452) main_length)] [2018-07-23 13:55:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:25,262 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:55:25,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:55:25,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:55:25,265 INFO L87 Difference]: Start difference. First operand 280 states and 280 transitions. Second operand 141 states. [2018-07-23 13:55:25,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:25,822 INFO L93 Difference]: Finished difference Result 283 states and 283 transitions. [2018-07-23 13:55:25,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:55:25,822 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 279 [2018-07-23 13:55:25,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:25,823 INFO L225 Difference]: With dead ends: 283 [2018-07-23 13:55:25,823 INFO L226 Difference]: Without dead ends: 282 [2018-07-23 13:55:25,824 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:55:25,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-07-23 13:55:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2018-07-23 13:55:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-07-23 13:55:25,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 282 transitions. [2018-07-23 13:55:25,828 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 282 transitions. Word has length 279 [2018-07-23 13:55:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:25,828 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 282 transitions. [2018-07-23 13:55:25,828 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:55:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 282 transitions. [2018-07-23 13:55:25,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-07-23 13:55:25,829 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:25,829 INFO L357 BasicCegarLoop]: trace histogram [140, 139, 1, 1] [2018-07-23 13:55:25,829 INFO L414 AbstractCegarLoop]: === Iteration 140 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:25,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1385957686, now seen corresponding path program 139 times [2018-07-23 13:55:25,830 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:26,590 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:26,590 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:55:26,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:26,591 INFO L185 omatonBuilderFactory]: Interpolants [90369#(<= (+ main_offset 39980) main_length), 90368#(<= (+ main_offset 39984) main_length), 90371#(<= (+ main_offset 39972) main_length), 90370#(<= (+ main_offset 39976) main_length), 90373#(<= (+ main_offset 39964) main_length), 90372#(<= (+ main_offset 39968) main_length), 90375#(<= (+ main_offset 39956) main_length), 90374#(<= (+ main_offset 39960) main_length), 90377#(<= (+ main_offset 39948) main_length), 90376#(<= (+ main_offset 39952) main_length), 90379#(<= (+ main_offset 39940) main_length), 90378#(<= (+ main_offset 39944) main_length), 90381#(<= (+ main_offset 39932) main_length), 90380#(<= (+ main_offset 39936) main_length), 90383#(<= (+ main_offset 39924) main_length), 90382#(<= (+ main_offset 39928) main_length), 90385#(<= (+ main_offset 39916) main_length), 90384#(<= (+ main_offset 39920) main_length), 90387#(<= (+ main_offset 39908) main_length), 90386#(<= (+ main_offset 39912) main_length), 90389#(<= (+ main_offset 39900) main_length), 90388#(<= (+ main_offset 39904) main_length), 90391#(<= (+ main_offset 39892) main_length), 90390#(<= (+ main_offset 39896) main_length), 90393#(<= (+ main_offset 39884) main_length), 90392#(<= (+ main_offset 39888) main_length), 90395#(<= (+ main_offset 39876) main_length), 90394#(<= (+ main_offset 39880) main_length), 90397#(<= (+ main_offset 39868) main_length), 90396#(<= (+ main_offset 39872) main_length), 90399#(<= (+ main_offset 39860) main_length), 90398#(<= (+ main_offset 39864) main_length), 90401#(<= (+ main_offset 39852) main_length), 90400#(<= (+ main_offset 39856) main_length), 90403#(<= (+ main_offset 39844) main_length), 90402#(<= (+ main_offset 39848) main_length), 90405#(<= (+ main_offset 39836) main_length), 90404#(<= (+ main_offset 39840) main_length), 90407#(<= (+ main_offset 39828) main_length), 90406#(<= (+ main_offset 39832) main_length), 90409#(<= (+ main_offset 39820) main_length), 90408#(<= (+ main_offset 39824) main_length), 90411#(<= (+ main_offset 39812) main_length), 90410#(<= (+ main_offset 39816) main_length), 90413#(<= (+ main_offset 39804) main_length), 90412#(<= (+ main_offset 39808) main_length), 90415#(<= (+ main_offset 39796) main_length), 90414#(<= (+ main_offset 39800) main_length), 90417#(<= (+ main_offset 39788) main_length), 90416#(<= (+ main_offset 39792) main_length), 90419#(<= (+ main_offset 39780) main_length), 90418#(<= (+ main_offset 39784) main_length), 90421#(<= (+ main_offset 39772) main_length), 90420#(<= (+ main_offset 39776) main_length), 90423#(<= (+ main_offset 39764) main_length), 90422#(<= (+ main_offset 39768) main_length), 90425#(<= (+ main_offset 39756) main_length), 90424#(<= (+ main_offset 39760) main_length), 90427#(<= (+ main_offset 39748) main_length), 90426#(<= (+ main_offset 39752) main_length), 90429#(<= (+ main_offset 39740) main_length), 90428#(<= (+ main_offset 39744) main_length), 90431#(<= (+ main_offset 39732) main_length), 90430#(<= (+ main_offset 39736) main_length), 90433#(<= (+ main_offset 39724) main_length), 90432#(<= (+ main_offset 39728) main_length), 90435#(<= (+ main_offset 39716) main_length), 90434#(<= (+ main_offset 39720) main_length), 90437#(<= (+ main_offset 39708) main_length), 90436#(<= (+ main_offset 39712) main_length), 90439#(<= (+ main_offset 39700) main_length), 90438#(<= (+ main_offset 39704) main_length), 90441#(<= (+ main_offset 39692) main_length), 90440#(<= (+ main_offset 39696) main_length), 90443#(<= (+ main_offset 39684) main_length), 90442#(<= (+ main_offset 39688) main_length), 90445#(<= (+ main_offset 39676) main_length), 90444#(<= (+ main_offset 39680) main_length), 90447#(<= (+ main_offset 39668) main_length), 90446#(<= (+ main_offset 39672) main_length), 90449#(<= (+ main_offset 39660) main_length), 90448#(<= (+ main_offset 39664) main_length), 90451#(<= (+ main_offset 39652) main_length), 90450#(<= (+ main_offset 39656) main_length), 90453#(<= (+ main_offset 39644) main_length), 90452#(<= (+ main_offset 39648) main_length), 90455#(<= (+ main_offset 39636) main_length), 90454#(<= (+ main_offset 39640) main_length), 90457#(<= (+ main_offset 39628) main_length), 90456#(<= (+ main_offset 39632) main_length), 90459#(<= (+ main_offset 39620) main_length), 90458#(<= (+ main_offset 39624) main_length), 90461#(<= (+ main_offset 39612) main_length), 90460#(<= (+ main_offset 39616) main_length), 90463#(<= (+ main_offset 39604) main_length), 90462#(<= (+ main_offset 39608) main_length), 90465#(<= (+ main_offset 39596) main_length), 90464#(<= (+ main_offset 39600) main_length), 90467#(<= (+ main_offset 39588) main_length), 90466#(<= (+ main_offset 39592) main_length), 90469#(<= (+ main_offset 39580) main_length), 90468#(<= (+ main_offset 39584) main_length), 90471#(<= (+ main_offset 39572) main_length), 90470#(<= (+ main_offset 39576) main_length), 90473#(<= (+ main_offset 39564) main_length), 90472#(<= (+ main_offset 39568) main_length), 90475#(<= (+ main_offset 39556) main_length), 90474#(<= (+ main_offset 39560) main_length), 90477#(<= (+ main_offset 39548) main_length), 90476#(<= (+ main_offset 39552) main_length), 90479#(<= (+ main_offset 39540) main_length), 90478#(<= (+ main_offset 39544) main_length), 90481#(<= (+ main_offset 39532) main_length), 90480#(<= (+ main_offset 39536) main_length), 90483#(<= (+ main_offset 39524) main_length), 90482#(<= (+ main_offset 39528) main_length), 90485#(<= (+ main_offset 39516) main_length), 90484#(<= (+ main_offset 39520) main_length), 90487#(<= (+ main_offset 39508) main_length), 90486#(<= (+ main_offset 39512) main_length), 90489#(<= (+ main_offset 39500) main_length), 90488#(<= (+ main_offset 39504) main_length), 90491#(<= (+ main_offset 39492) main_length), 90490#(<= (+ main_offset 39496) main_length), 90493#(<= (+ main_offset 39484) main_length), 90492#(<= (+ main_offset 39488) main_length), 90495#(<= (+ main_offset 39476) main_length), 90494#(<= (+ main_offset 39480) main_length), 90497#(<= (+ main_offset 39468) main_length), 90496#(<= (+ main_offset 39472) main_length), 90499#(<= (+ main_offset 39460) main_length), 90498#(<= (+ main_offset 39464) main_length), 90501#(<= (+ main_offset 39452) main_length), 90500#(<= (+ main_offset 39456) main_length), 90503#(<= (+ main_offset 39444) main_length), 90502#(<= (+ main_offset 39448) main_length), 90363#false, 90362#true, 90365#(<= (+ main_offset 39996) main_length), 90364#(<= (+ main_offset 40000) main_length), 90367#(<= (+ main_offset 39988) main_length), 90366#(<= (+ main_offset 39992) main_length)] [2018-07-23 13:55:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:26,592 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:55:26,594 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:55:26,594 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:55:26,594 INFO L87 Difference]: Start difference. First operand 282 states and 282 transitions. Second operand 142 states. [2018-07-23 13:55:27,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:27,157 INFO L93 Difference]: Finished difference Result 285 states and 285 transitions. [2018-07-23 13:55:27,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:55:27,157 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 281 [2018-07-23 13:55:27,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:27,158 INFO L225 Difference]: With dead ends: 285 [2018-07-23 13:55:27,158 INFO L226 Difference]: Without dead ends: 284 [2018-07-23 13:55:27,159 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:55:27,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-07-23 13:55:27,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2018-07-23 13:55:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-07-23 13:55:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 284 transitions. [2018-07-23 13:55:27,163 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 284 transitions. Word has length 281 [2018-07-23 13:55:27,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:27,163 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 284 transitions. [2018-07-23 13:55:27,163 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:55:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 284 transitions. [2018-07-23 13:55:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-07-23 13:55:27,164 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:27,164 INFO L357 BasicCegarLoop]: trace histogram [141, 140, 1, 1] [2018-07-23 13:55:27,164 INFO L414 AbstractCegarLoop]: === Iteration 141 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:27,164 INFO L82 PathProgramCache]: Analyzing trace with hash 465475576, now seen corresponding path program 140 times [2018-07-23 13:55:27,164 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:27,937 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:27,937 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:55:27,938 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:27,938 INFO L185 omatonBuilderFactory]: Interpolants [91649#(<= (+ main_offset 39980) main_length), 91648#(<= (+ main_offset 39984) main_length), 91651#(<= (+ main_offset 39972) main_length), 91650#(<= (+ main_offset 39976) main_length), 91653#(<= (+ main_offset 39964) main_length), 91652#(<= (+ main_offset 39968) main_length), 91655#(<= (+ main_offset 39956) main_length), 91654#(<= (+ main_offset 39960) main_length), 91657#(<= (+ main_offset 39948) main_length), 91656#(<= (+ main_offset 39952) main_length), 91659#(<= (+ main_offset 39940) main_length), 91658#(<= (+ main_offset 39944) main_length), 91661#(<= (+ main_offset 39932) main_length), 91660#(<= (+ main_offset 39936) main_length), 91663#(<= (+ main_offset 39924) main_length), 91662#(<= (+ main_offset 39928) main_length), 91665#(<= (+ main_offset 39916) main_length), 91664#(<= (+ main_offset 39920) main_length), 91667#(<= (+ main_offset 39908) main_length), 91666#(<= (+ main_offset 39912) main_length), 91669#(<= (+ main_offset 39900) main_length), 91668#(<= (+ main_offset 39904) main_length), 91671#(<= (+ main_offset 39892) main_length), 91670#(<= (+ main_offset 39896) main_length), 91673#(<= (+ main_offset 39884) main_length), 91672#(<= (+ main_offset 39888) main_length), 91675#(<= (+ main_offset 39876) main_length), 91674#(<= (+ main_offset 39880) main_length), 91677#(<= (+ main_offset 39868) main_length), 91676#(<= (+ main_offset 39872) main_length), 91679#(<= (+ main_offset 39860) main_length), 91678#(<= (+ main_offset 39864) main_length), 91681#(<= (+ main_offset 39852) main_length), 91680#(<= (+ main_offset 39856) main_length), 91683#(<= (+ main_offset 39844) main_length), 91682#(<= (+ main_offset 39848) main_length), 91685#(<= (+ main_offset 39836) main_length), 91684#(<= (+ main_offset 39840) main_length), 91687#(<= (+ main_offset 39828) main_length), 91686#(<= (+ main_offset 39832) main_length), 91689#(<= (+ main_offset 39820) main_length), 91688#(<= (+ main_offset 39824) main_length), 91691#(<= (+ main_offset 39812) main_length), 91690#(<= (+ main_offset 39816) main_length), 91693#(<= (+ main_offset 39804) main_length), 91692#(<= (+ main_offset 39808) main_length), 91695#(<= (+ main_offset 39796) main_length), 91694#(<= (+ main_offset 39800) main_length), 91697#(<= (+ main_offset 39788) main_length), 91696#(<= (+ main_offset 39792) main_length), 91699#(<= (+ main_offset 39780) main_length), 91698#(<= (+ main_offset 39784) main_length), 91701#(<= (+ main_offset 39772) main_length), 91700#(<= (+ main_offset 39776) main_length), 91703#(<= (+ main_offset 39764) main_length), 91702#(<= (+ main_offset 39768) main_length), 91705#(<= (+ main_offset 39756) main_length), 91704#(<= (+ main_offset 39760) main_length), 91707#(<= (+ main_offset 39748) main_length), 91706#(<= (+ main_offset 39752) main_length), 91709#(<= (+ main_offset 39740) main_length), 91708#(<= (+ main_offset 39744) main_length), 91711#(<= (+ main_offset 39732) main_length), 91710#(<= (+ main_offset 39736) main_length), 91713#(<= (+ main_offset 39724) main_length), 91712#(<= (+ main_offset 39728) main_length), 91715#(<= (+ main_offset 39716) main_length), 91714#(<= (+ main_offset 39720) main_length), 91717#(<= (+ main_offset 39708) main_length), 91716#(<= (+ main_offset 39712) main_length), 91719#(<= (+ main_offset 39700) main_length), 91718#(<= (+ main_offset 39704) main_length), 91721#(<= (+ main_offset 39692) main_length), 91720#(<= (+ main_offset 39696) main_length), 91723#(<= (+ main_offset 39684) main_length), 91722#(<= (+ main_offset 39688) main_length), 91725#(<= (+ main_offset 39676) main_length), 91724#(<= (+ main_offset 39680) main_length), 91727#(<= (+ main_offset 39668) main_length), 91726#(<= (+ main_offset 39672) main_length), 91729#(<= (+ main_offset 39660) main_length), 91728#(<= (+ main_offset 39664) main_length), 91731#(<= (+ main_offset 39652) main_length), 91730#(<= (+ main_offset 39656) main_length), 91733#(<= (+ main_offset 39644) main_length), 91732#(<= (+ main_offset 39648) main_length), 91735#(<= (+ main_offset 39636) main_length), 91734#(<= (+ main_offset 39640) main_length), 91737#(<= (+ main_offset 39628) main_length), 91736#(<= (+ main_offset 39632) main_length), 91739#(<= (+ main_offset 39620) main_length), 91738#(<= (+ main_offset 39624) main_length), 91741#(<= (+ main_offset 39612) main_length), 91740#(<= (+ main_offset 39616) main_length), 91743#(<= (+ main_offset 39604) main_length), 91742#(<= (+ main_offset 39608) main_length), 91745#(<= (+ main_offset 39596) main_length), 91744#(<= (+ main_offset 39600) main_length), 91747#(<= (+ main_offset 39588) main_length), 91746#(<= (+ main_offset 39592) main_length), 91749#(<= (+ main_offset 39580) main_length), 91748#(<= (+ main_offset 39584) main_length), 91751#(<= (+ main_offset 39572) main_length), 91750#(<= (+ main_offset 39576) main_length), 91753#(<= (+ main_offset 39564) main_length), 91752#(<= (+ main_offset 39568) main_length), 91755#(<= (+ main_offset 39556) main_length), 91754#(<= (+ main_offset 39560) main_length), 91757#(<= (+ main_offset 39548) main_length), 91756#(<= (+ main_offset 39552) main_length), 91759#(<= (+ main_offset 39540) main_length), 91758#(<= (+ main_offset 39544) main_length), 91761#(<= (+ main_offset 39532) main_length), 91760#(<= (+ main_offset 39536) main_length), 91763#(<= (+ main_offset 39524) main_length), 91762#(<= (+ main_offset 39528) main_length), 91765#(<= (+ main_offset 39516) main_length), 91764#(<= (+ main_offset 39520) main_length), 91767#(<= (+ main_offset 39508) main_length), 91766#(<= (+ main_offset 39512) main_length), 91769#(<= (+ main_offset 39500) main_length), 91768#(<= (+ main_offset 39504) main_length), 91771#(<= (+ main_offset 39492) main_length), 91770#(<= (+ main_offset 39496) main_length), 91773#(<= (+ main_offset 39484) main_length), 91772#(<= (+ main_offset 39488) main_length), 91775#(<= (+ main_offset 39476) main_length), 91774#(<= (+ main_offset 39480) main_length), 91777#(<= (+ main_offset 39468) main_length), 91776#(<= (+ main_offset 39472) main_length), 91779#(<= (+ main_offset 39460) main_length), 91778#(<= (+ main_offset 39464) main_length), 91781#(<= (+ main_offset 39452) main_length), 91780#(<= (+ main_offset 39456) main_length), 91783#(<= (+ main_offset 39444) main_length), 91782#(<= (+ main_offset 39448) main_length), 91784#(<= (+ main_offset 39440) main_length), 91643#false, 91642#true, 91645#(<= (+ main_offset 39996) main_length), 91644#(<= (+ main_offset 40000) main_length), 91647#(<= (+ main_offset 39988) main_length), 91646#(<= (+ main_offset 39992) main_length)] [2018-07-23 13:55:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:27,939 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:55:27,941 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:55:27,941 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:55:27,942 INFO L87 Difference]: Start difference. First operand 284 states and 284 transitions. Second operand 143 states. [2018-07-23 13:55:28,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:28,518 INFO L93 Difference]: Finished difference Result 287 states and 287 transitions. [2018-07-23 13:55:28,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:55:28,518 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 283 [2018-07-23 13:55:28,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:28,519 INFO L225 Difference]: With dead ends: 287 [2018-07-23 13:55:28,519 INFO L226 Difference]: Without dead ends: 286 [2018-07-23 13:55:28,521 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:55:28,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-07-23 13:55:28,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2018-07-23 13:55:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-07-23 13:55:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 286 transitions. [2018-07-23 13:55:28,526 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 286 transitions. Word has length 283 [2018-07-23 13:55:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:28,527 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 286 transitions. [2018-07-23 13:55:28,527 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:55:28,527 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 286 transitions. [2018-07-23 13:55:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-07-23 13:55:28,528 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:28,528 INFO L357 BasicCegarLoop]: trace histogram [142, 141, 1, 1] [2018-07-23 13:55:28,528 INFO L414 AbstractCegarLoop]: === Iteration 142 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:28,528 INFO L82 PathProgramCache]: Analyzing trace with hash 645430842, now seen corresponding path program 141 times [2018-07-23 13:55:28,528 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:29,301 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:29,301 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:55:29,301 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:29,302 INFO L185 omatonBuilderFactory]: Interpolants [92931#true, 92933#(<= (+ main_offset 40000) main_length), 92932#false, 92935#(<= (+ main_offset 39992) main_length), 92934#(<= (+ main_offset 39996) main_length), 92937#(<= (+ main_offset 39984) main_length), 92936#(<= (+ main_offset 39988) main_length), 92939#(<= (+ main_offset 39976) main_length), 92938#(<= (+ main_offset 39980) main_length), 92941#(<= (+ main_offset 39968) main_length), 92940#(<= (+ main_offset 39972) main_length), 92943#(<= (+ main_offset 39960) main_length), 92942#(<= (+ main_offset 39964) main_length), 92945#(<= (+ main_offset 39952) main_length), 92944#(<= (+ main_offset 39956) main_length), 92947#(<= (+ main_offset 39944) main_length), 92946#(<= (+ main_offset 39948) main_length), 92949#(<= (+ main_offset 39936) main_length), 92948#(<= (+ main_offset 39940) main_length), 92951#(<= (+ main_offset 39928) main_length), 92950#(<= (+ main_offset 39932) main_length), 92953#(<= (+ main_offset 39920) main_length), 92952#(<= (+ main_offset 39924) main_length), 92955#(<= (+ main_offset 39912) main_length), 92954#(<= (+ main_offset 39916) main_length), 92957#(<= (+ main_offset 39904) main_length), 92956#(<= (+ main_offset 39908) main_length), 92959#(<= (+ main_offset 39896) main_length), 92958#(<= (+ main_offset 39900) main_length), 92961#(<= (+ main_offset 39888) main_length), 92960#(<= (+ main_offset 39892) main_length), 92963#(<= (+ main_offset 39880) main_length), 92962#(<= (+ main_offset 39884) main_length), 92965#(<= (+ main_offset 39872) main_length), 92964#(<= (+ main_offset 39876) main_length), 92967#(<= (+ main_offset 39864) main_length), 92966#(<= (+ main_offset 39868) main_length), 92969#(<= (+ main_offset 39856) main_length), 92968#(<= (+ main_offset 39860) main_length), 92971#(<= (+ main_offset 39848) main_length), 92970#(<= (+ main_offset 39852) main_length), 92973#(<= (+ main_offset 39840) main_length), 92972#(<= (+ main_offset 39844) main_length), 92975#(<= (+ main_offset 39832) main_length), 92974#(<= (+ main_offset 39836) main_length), 92977#(<= (+ main_offset 39824) main_length), 92976#(<= (+ main_offset 39828) main_length), 92979#(<= (+ main_offset 39816) main_length), 92978#(<= (+ main_offset 39820) main_length), 92981#(<= (+ main_offset 39808) main_length), 92980#(<= (+ main_offset 39812) main_length), 92983#(<= (+ main_offset 39800) main_length), 92982#(<= (+ main_offset 39804) main_length), 92985#(<= (+ main_offset 39792) main_length), 92984#(<= (+ main_offset 39796) main_length), 92987#(<= (+ main_offset 39784) main_length), 92986#(<= (+ main_offset 39788) main_length), 92989#(<= (+ main_offset 39776) main_length), 92988#(<= (+ main_offset 39780) main_length), 92991#(<= (+ main_offset 39768) main_length), 92990#(<= (+ main_offset 39772) main_length), 92993#(<= (+ main_offset 39760) main_length), 92992#(<= (+ main_offset 39764) main_length), 92995#(<= (+ main_offset 39752) main_length), 92994#(<= (+ main_offset 39756) main_length), 92997#(<= (+ main_offset 39744) main_length), 92996#(<= (+ main_offset 39748) main_length), 92999#(<= (+ main_offset 39736) main_length), 92998#(<= (+ main_offset 39740) main_length), 93001#(<= (+ main_offset 39728) main_length), 93000#(<= (+ main_offset 39732) main_length), 93003#(<= (+ main_offset 39720) main_length), 93002#(<= (+ main_offset 39724) main_length), 93005#(<= (+ main_offset 39712) main_length), 93004#(<= (+ main_offset 39716) main_length), 93007#(<= (+ main_offset 39704) main_length), 93006#(<= (+ main_offset 39708) main_length), 93009#(<= (+ main_offset 39696) main_length), 93008#(<= (+ main_offset 39700) main_length), 93011#(<= (+ main_offset 39688) main_length), 93010#(<= (+ main_offset 39692) main_length), 93013#(<= (+ main_offset 39680) main_length), 93012#(<= (+ main_offset 39684) main_length), 93015#(<= (+ main_offset 39672) main_length), 93014#(<= (+ main_offset 39676) main_length), 93017#(<= (+ main_offset 39664) main_length), 93016#(<= (+ main_offset 39668) main_length), 93019#(<= (+ main_offset 39656) main_length), 93018#(<= (+ main_offset 39660) main_length), 93021#(<= (+ main_offset 39648) main_length), 93020#(<= (+ main_offset 39652) main_length), 93023#(<= (+ main_offset 39640) main_length), 93022#(<= (+ main_offset 39644) main_length), 93025#(<= (+ main_offset 39632) main_length), 93024#(<= (+ main_offset 39636) main_length), 93027#(<= (+ main_offset 39624) main_length), 93026#(<= (+ main_offset 39628) main_length), 93029#(<= (+ main_offset 39616) main_length), 93028#(<= (+ main_offset 39620) main_length), 93031#(<= (+ main_offset 39608) main_length), 93030#(<= (+ main_offset 39612) main_length), 93033#(<= (+ main_offset 39600) main_length), 93032#(<= (+ main_offset 39604) main_length), 93035#(<= (+ main_offset 39592) main_length), 93034#(<= (+ main_offset 39596) main_length), 93037#(<= (+ main_offset 39584) main_length), 93036#(<= (+ main_offset 39588) main_length), 93039#(<= (+ main_offset 39576) main_length), 93038#(<= (+ main_offset 39580) main_length), 93041#(<= (+ main_offset 39568) main_length), 93040#(<= (+ main_offset 39572) main_length), 93043#(<= (+ main_offset 39560) main_length), 93042#(<= (+ main_offset 39564) main_length), 93045#(<= (+ main_offset 39552) main_length), 93044#(<= (+ main_offset 39556) main_length), 93047#(<= (+ main_offset 39544) main_length), 93046#(<= (+ main_offset 39548) main_length), 93049#(<= (+ main_offset 39536) main_length), 93048#(<= (+ main_offset 39540) main_length), 93051#(<= (+ main_offset 39528) main_length), 93050#(<= (+ main_offset 39532) main_length), 93053#(<= (+ main_offset 39520) main_length), 93052#(<= (+ main_offset 39524) main_length), 93055#(<= (+ main_offset 39512) main_length), 93054#(<= (+ main_offset 39516) main_length), 93057#(<= (+ main_offset 39504) main_length), 93056#(<= (+ main_offset 39508) main_length), 93059#(<= (+ main_offset 39496) main_length), 93058#(<= (+ main_offset 39500) main_length), 93061#(<= (+ main_offset 39488) main_length), 93060#(<= (+ main_offset 39492) main_length), 93063#(<= (+ main_offset 39480) main_length), 93062#(<= (+ main_offset 39484) main_length), 93065#(<= (+ main_offset 39472) main_length), 93064#(<= (+ main_offset 39476) main_length), 93067#(<= (+ main_offset 39464) main_length), 93066#(<= (+ main_offset 39468) main_length), 93069#(<= (+ main_offset 39456) main_length), 93068#(<= (+ main_offset 39460) main_length), 93071#(<= (+ main_offset 39448) main_length), 93070#(<= (+ main_offset 39452) main_length), 93073#(<= (+ main_offset 39440) main_length), 93072#(<= (+ main_offset 39444) main_length), 93074#(<= (+ main_offset 39436) main_length)] [2018-07-23 13:55:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:29,303 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:55:29,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:55:29,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:55:29,305 INFO L87 Difference]: Start difference. First operand 286 states and 286 transitions. Second operand 144 states. [2018-07-23 13:55:29,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:29,914 INFO L93 Difference]: Finished difference Result 289 states and 289 transitions. [2018-07-23 13:55:29,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:55:29,914 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 285 [2018-07-23 13:55:29,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:29,915 INFO L225 Difference]: With dead ends: 289 [2018-07-23 13:55:29,915 INFO L226 Difference]: Without dead ends: 288 [2018-07-23 13:55:29,916 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:55:29,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-07-23 13:55:29,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2018-07-23 13:55:29,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-07-23 13:55:29,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 288 transitions. [2018-07-23 13:55:29,920 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 288 transitions. Word has length 285 [2018-07-23 13:55:29,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:29,920 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 288 transitions. [2018-07-23 13:55:29,920 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:55:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 288 transitions. [2018-07-23 13:55:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-07-23 13:55:29,921 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:29,921 INFO L357 BasicCegarLoop]: trace histogram [143, 142, 1, 1] [2018-07-23 13:55:29,921 INFO L414 AbstractCegarLoop]: === Iteration 143 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:29,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1783749628, now seen corresponding path program 142 times [2018-07-23 13:55:29,921 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:30,759 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:30,760 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:30,760 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:55:30,760 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:30,760 INFO L185 omatonBuilderFactory]: Interpolants [94229#true, 94231#(<= (+ main_offset 40000) main_length), 94230#false, 94233#(<= (+ main_offset 39992) main_length), 94232#(<= (+ main_offset 39996) main_length), 94235#(<= (+ main_offset 39984) main_length), 94234#(<= (+ main_offset 39988) main_length), 94237#(<= (+ main_offset 39976) main_length), 94236#(<= (+ main_offset 39980) main_length), 94239#(<= (+ main_offset 39968) main_length), 94238#(<= (+ main_offset 39972) main_length), 94241#(<= (+ main_offset 39960) main_length), 94240#(<= (+ main_offset 39964) main_length), 94243#(<= (+ main_offset 39952) main_length), 94242#(<= (+ main_offset 39956) main_length), 94245#(<= (+ main_offset 39944) main_length), 94244#(<= (+ main_offset 39948) main_length), 94247#(<= (+ main_offset 39936) main_length), 94246#(<= (+ main_offset 39940) main_length), 94249#(<= (+ main_offset 39928) main_length), 94248#(<= (+ main_offset 39932) main_length), 94251#(<= (+ main_offset 39920) main_length), 94250#(<= (+ main_offset 39924) main_length), 94253#(<= (+ main_offset 39912) main_length), 94252#(<= (+ main_offset 39916) main_length), 94255#(<= (+ main_offset 39904) main_length), 94254#(<= (+ main_offset 39908) main_length), 94257#(<= (+ main_offset 39896) main_length), 94256#(<= (+ main_offset 39900) main_length), 94259#(<= (+ main_offset 39888) main_length), 94258#(<= (+ main_offset 39892) main_length), 94261#(<= (+ main_offset 39880) main_length), 94260#(<= (+ main_offset 39884) main_length), 94263#(<= (+ main_offset 39872) main_length), 94262#(<= (+ main_offset 39876) main_length), 94265#(<= (+ main_offset 39864) main_length), 94264#(<= (+ main_offset 39868) main_length), 94267#(<= (+ main_offset 39856) main_length), 94266#(<= (+ main_offset 39860) main_length), 94269#(<= (+ main_offset 39848) main_length), 94268#(<= (+ main_offset 39852) main_length), 94271#(<= (+ main_offset 39840) main_length), 94270#(<= (+ main_offset 39844) main_length), 94273#(<= (+ main_offset 39832) main_length), 94272#(<= (+ main_offset 39836) main_length), 94275#(<= (+ main_offset 39824) main_length), 94274#(<= (+ main_offset 39828) main_length), 94277#(<= (+ main_offset 39816) main_length), 94276#(<= (+ main_offset 39820) main_length), 94279#(<= (+ main_offset 39808) main_length), 94278#(<= (+ main_offset 39812) main_length), 94281#(<= (+ main_offset 39800) main_length), 94280#(<= (+ main_offset 39804) main_length), 94283#(<= (+ main_offset 39792) main_length), 94282#(<= (+ main_offset 39796) main_length), 94285#(<= (+ main_offset 39784) main_length), 94284#(<= (+ main_offset 39788) main_length), 94287#(<= (+ main_offset 39776) main_length), 94286#(<= (+ main_offset 39780) main_length), 94289#(<= (+ main_offset 39768) main_length), 94288#(<= (+ main_offset 39772) main_length), 94291#(<= (+ main_offset 39760) main_length), 94290#(<= (+ main_offset 39764) main_length), 94293#(<= (+ main_offset 39752) main_length), 94292#(<= (+ main_offset 39756) main_length), 94295#(<= (+ main_offset 39744) main_length), 94294#(<= (+ main_offset 39748) main_length), 94297#(<= (+ main_offset 39736) main_length), 94296#(<= (+ main_offset 39740) main_length), 94299#(<= (+ main_offset 39728) main_length), 94298#(<= (+ main_offset 39732) main_length), 94301#(<= (+ main_offset 39720) main_length), 94300#(<= (+ main_offset 39724) main_length), 94303#(<= (+ main_offset 39712) main_length), 94302#(<= (+ main_offset 39716) main_length), 94305#(<= (+ main_offset 39704) main_length), 94304#(<= (+ main_offset 39708) main_length), 94307#(<= (+ main_offset 39696) main_length), 94306#(<= (+ main_offset 39700) main_length), 94309#(<= (+ main_offset 39688) main_length), 94308#(<= (+ main_offset 39692) main_length), 94311#(<= (+ main_offset 39680) main_length), 94310#(<= (+ main_offset 39684) main_length), 94313#(<= (+ main_offset 39672) main_length), 94312#(<= (+ main_offset 39676) main_length), 94315#(<= (+ main_offset 39664) main_length), 94314#(<= (+ main_offset 39668) main_length), 94317#(<= (+ main_offset 39656) main_length), 94316#(<= (+ main_offset 39660) main_length), 94319#(<= (+ main_offset 39648) main_length), 94318#(<= (+ main_offset 39652) main_length), 94321#(<= (+ main_offset 39640) main_length), 94320#(<= (+ main_offset 39644) main_length), 94323#(<= (+ main_offset 39632) main_length), 94322#(<= (+ main_offset 39636) main_length), 94325#(<= (+ main_offset 39624) main_length), 94324#(<= (+ main_offset 39628) main_length), 94327#(<= (+ main_offset 39616) main_length), 94326#(<= (+ main_offset 39620) main_length), 94329#(<= (+ main_offset 39608) main_length), 94328#(<= (+ main_offset 39612) main_length), 94331#(<= (+ main_offset 39600) main_length), 94330#(<= (+ main_offset 39604) main_length), 94333#(<= (+ main_offset 39592) main_length), 94332#(<= (+ main_offset 39596) main_length), 94335#(<= (+ main_offset 39584) main_length), 94334#(<= (+ main_offset 39588) main_length), 94337#(<= (+ main_offset 39576) main_length), 94336#(<= (+ main_offset 39580) main_length), 94339#(<= (+ main_offset 39568) main_length), 94338#(<= (+ main_offset 39572) main_length), 94341#(<= (+ main_offset 39560) main_length), 94340#(<= (+ main_offset 39564) main_length), 94343#(<= (+ main_offset 39552) main_length), 94342#(<= (+ main_offset 39556) main_length), 94345#(<= (+ main_offset 39544) main_length), 94344#(<= (+ main_offset 39548) main_length), 94347#(<= (+ main_offset 39536) main_length), 94346#(<= (+ main_offset 39540) main_length), 94349#(<= (+ main_offset 39528) main_length), 94348#(<= (+ main_offset 39532) main_length), 94351#(<= (+ main_offset 39520) main_length), 94350#(<= (+ main_offset 39524) main_length), 94353#(<= (+ main_offset 39512) main_length), 94352#(<= (+ main_offset 39516) main_length), 94355#(<= (+ main_offset 39504) main_length), 94354#(<= (+ main_offset 39508) main_length), 94357#(<= (+ main_offset 39496) main_length), 94356#(<= (+ main_offset 39500) main_length), 94359#(<= (+ main_offset 39488) main_length), 94358#(<= (+ main_offset 39492) main_length), 94361#(<= (+ main_offset 39480) main_length), 94360#(<= (+ main_offset 39484) main_length), 94363#(<= (+ main_offset 39472) main_length), 94362#(<= (+ main_offset 39476) main_length), 94365#(<= (+ main_offset 39464) main_length), 94364#(<= (+ main_offset 39468) main_length), 94367#(<= (+ main_offset 39456) main_length), 94366#(<= (+ main_offset 39460) main_length), 94369#(<= (+ main_offset 39448) main_length), 94368#(<= (+ main_offset 39452) main_length), 94371#(<= (+ main_offset 39440) main_length), 94370#(<= (+ main_offset 39444) main_length), 94373#(<= (+ main_offset 39432) main_length), 94372#(<= (+ main_offset 39436) main_length)] [2018-07-23 13:55:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:30,762 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:55:30,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:55:30,764 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:55:30,764 INFO L87 Difference]: Start difference. First operand 288 states and 288 transitions. Second operand 145 states. [2018-07-23 13:55:31,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:31,384 INFO L93 Difference]: Finished difference Result 291 states and 291 transitions. [2018-07-23 13:55:31,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:55:31,384 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 287 [2018-07-23 13:55:31,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:31,385 INFO L225 Difference]: With dead ends: 291 [2018-07-23 13:55:31,385 INFO L226 Difference]: Without dead ends: 290 [2018-07-23 13:55:31,387 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:55:31,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-07-23 13:55:31,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2018-07-23 13:55:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-07-23 13:55:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 290 transitions. [2018-07-23 13:55:31,393 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 290 transitions. Word has length 287 [2018-07-23 13:55:31,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:31,393 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 290 transitions. [2018-07-23 13:55:31,393 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:55:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 290 transitions. [2018-07-23 13:55:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-07-23 13:55:31,394 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:31,394 INFO L357 BasicCegarLoop]: trace histogram [144, 143, 1, 1] [2018-07-23 13:55:31,395 INFO L414 AbstractCegarLoop]: === Iteration 144 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:31,395 INFO L82 PathProgramCache]: Analyzing trace with hash 491442494, now seen corresponding path program 143 times [2018-07-23 13:55:31,395 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:32,210 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:32,210 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:55:32,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:32,210 INFO L185 omatonBuilderFactory]: Interpolants [95537#false, 95536#true, 95539#(<= (+ main_offset 39996) main_length), 95538#(<= (+ main_offset 40000) main_length), 95541#(<= (+ main_offset 39988) main_length), 95540#(<= (+ main_offset 39992) main_length), 95543#(<= (+ main_offset 39980) main_length), 95542#(<= (+ main_offset 39984) main_length), 95545#(<= (+ main_offset 39972) main_length), 95544#(<= (+ main_offset 39976) main_length), 95547#(<= (+ main_offset 39964) main_length), 95546#(<= (+ main_offset 39968) main_length), 95549#(<= (+ main_offset 39956) main_length), 95548#(<= (+ main_offset 39960) main_length), 95551#(<= (+ main_offset 39948) main_length), 95550#(<= (+ main_offset 39952) main_length), 95553#(<= (+ main_offset 39940) main_length), 95552#(<= (+ main_offset 39944) main_length), 95555#(<= (+ main_offset 39932) main_length), 95554#(<= (+ main_offset 39936) main_length), 95557#(<= (+ main_offset 39924) main_length), 95556#(<= (+ main_offset 39928) main_length), 95559#(<= (+ main_offset 39916) main_length), 95558#(<= (+ main_offset 39920) main_length), 95561#(<= (+ main_offset 39908) main_length), 95560#(<= (+ main_offset 39912) main_length), 95563#(<= (+ main_offset 39900) main_length), 95562#(<= (+ main_offset 39904) main_length), 95565#(<= (+ main_offset 39892) main_length), 95564#(<= (+ main_offset 39896) main_length), 95567#(<= (+ main_offset 39884) main_length), 95566#(<= (+ main_offset 39888) main_length), 95569#(<= (+ main_offset 39876) main_length), 95568#(<= (+ main_offset 39880) main_length), 95571#(<= (+ main_offset 39868) main_length), 95570#(<= (+ main_offset 39872) main_length), 95573#(<= (+ main_offset 39860) main_length), 95572#(<= (+ main_offset 39864) main_length), 95575#(<= (+ main_offset 39852) main_length), 95574#(<= (+ main_offset 39856) main_length), 95577#(<= (+ main_offset 39844) main_length), 95576#(<= (+ main_offset 39848) main_length), 95579#(<= (+ main_offset 39836) main_length), 95578#(<= (+ main_offset 39840) main_length), 95581#(<= (+ main_offset 39828) main_length), 95580#(<= (+ main_offset 39832) main_length), 95583#(<= (+ main_offset 39820) main_length), 95582#(<= (+ main_offset 39824) main_length), 95585#(<= (+ main_offset 39812) main_length), 95584#(<= (+ main_offset 39816) main_length), 95587#(<= (+ main_offset 39804) main_length), 95586#(<= (+ main_offset 39808) main_length), 95589#(<= (+ main_offset 39796) main_length), 95588#(<= (+ main_offset 39800) main_length), 95591#(<= (+ main_offset 39788) main_length), 95590#(<= (+ main_offset 39792) main_length), 95593#(<= (+ main_offset 39780) main_length), 95592#(<= (+ main_offset 39784) main_length), 95595#(<= (+ main_offset 39772) main_length), 95594#(<= (+ main_offset 39776) main_length), 95597#(<= (+ main_offset 39764) main_length), 95596#(<= (+ main_offset 39768) main_length), 95599#(<= (+ main_offset 39756) main_length), 95598#(<= (+ main_offset 39760) main_length), 95601#(<= (+ main_offset 39748) main_length), 95600#(<= (+ main_offset 39752) main_length), 95603#(<= (+ main_offset 39740) main_length), 95602#(<= (+ main_offset 39744) main_length), 95605#(<= (+ main_offset 39732) main_length), 95604#(<= (+ main_offset 39736) main_length), 95607#(<= (+ main_offset 39724) main_length), 95606#(<= (+ main_offset 39728) main_length), 95609#(<= (+ main_offset 39716) main_length), 95608#(<= (+ main_offset 39720) main_length), 95611#(<= (+ main_offset 39708) main_length), 95610#(<= (+ main_offset 39712) main_length), 95613#(<= (+ main_offset 39700) main_length), 95612#(<= (+ main_offset 39704) main_length), 95615#(<= (+ main_offset 39692) main_length), 95614#(<= (+ main_offset 39696) main_length), 95617#(<= (+ main_offset 39684) main_length), 95616#(<= (+ main_offset 39688) main_length), 95619#(<= (+ main_offset 39676) main_length), 95618#(<= (+ main_offset 39680) main_length), 95621#(<= (+ main_offset 39668) main_length), 95620#(<= (+ main_offset 39672) main_length), 95623#(<= (+ main_offset 39660) main_length), 95622#(<= (+ main_offset 39664) main_length), 95625#(<= (+ main_offset 39652) main_length), 95624#(<= (+ main_offset 39656) main_length), 95627#(<= (+ main_offset 39644) main_length), 95626#(<= (+ main_offset 39648) main_length), 95629#(<= (+ main_offset 39636) main_length), 95628#(<= (+ main_offset 39640) main_length), 95631#(<= (+ main_offset 39628) main_length), 95630#(<= (+ main_offset 39632) main_length), 95633#(<= (+ main_offset 39620) main_length), 95632#(<= (+ main_offset 39624) main_length), 95635#(<= (+ main_offset 39612) main_length), 95634#(<= (+ main_offset 39616) main_length), 95637#(<= (+ main_offset 39604) main_length), 95636#(<= (+ main_offset 39608) main_length), 95639#(<= (+ main_offset 39596) main_length), 95638#(<= (+ main_offset 39600) main_length), 95641#(<= (+ main_offset 39588) main_length), 95640#(<= (+ main_offset 39592) main_length), 95643#(<= (+ main_offset 39580) main_length), 95642#(<= (+ main_offset 39584) main_length), 95645#(<= (+ main_offset 39572) main_length), 95644#(<= (+ main_offset 39576) main_length), 95647#(<= (+ main_offset 39564) main_length), 95646#(<= (+ main_offset 39568) main_length), 95649#(<= (+ main_offset 39556) main_length), 95648#(<= (+ main_offset 39560) main_length), 95651#(<= (+ main_offset 39548) main_length), 95650#(<= (+ main_offset 39552) main_length), 95653#(<= (+ main_offset 39540) main_length), 95652#(<= (+ main_offset 39544) main_length), 95655#(<= (+ main_offset 39532) main_length), 95654#(<= (+ main_offset 39536) main_length), 95657#(<= (+ main_offset 39524) main_length), 95656#(<= (+ main_offset 39528) main_length), 95659#(<= (+ main_offset 39516) main_length), 95658#(<= (+ main_offset 39520) main_length), 95661#(<= (+ main_offset 39508) main_length), 95660#(<= (+ main_offset 39512) main_length), 95663#(<= (+ main_offset 39500) main_length), 95662#(<= (+ main_offset 39504) main_length), 95665#(<= (+ main_offset 39492) main_length), 95664#(<= (+ main_offset 39496) main_length), 95667#(<= (+ main_offset 39484) main_length), 95666#(<= (+ main_offset 39488) main_length), 95669#(<= (+ main_offset 39476) main_length), 95668#(<= (+ main_offset 39480) main_length), 95671#(<= (+ main_offset 39468) main_length), 95670#(<= (+ main_offset 39472) main_length), 95673#(<= (+ main_offset 39460) main_length), 95672#(<= (+ main_offset 39464) main_length), 95675#(<= (+ main_offset 39452) main_length), 95674#(<= (+ main_offset 39456) main_length), 95677#(<= (+ main_offset 39444) main_length), 95676#(<= (+ main_offset 39448) main_length), 95679#(<= (+ main_offset 39436) main_length), 95678#(<= (+ main_offset 39440) main_length), 95681#(<= (+ main_offset 39428) main_length), 95680#(<= (+ main_offset 39432) main_length)] [2018-07-23 13:55:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:32,212 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:55:32,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:55:32,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:55:32,214 INFO L87 Difference]: Start difference. First operand 290 states and 290 transitions. Second operand 146 states. [2018-07-23 13:55:32,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:32,777 INFO L93 Difference]: Finished difference Result 293 states and 293 transitions. [2018-07-23 13:55:32,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:55:32,777 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 289 [2018-07-23 13:55:32,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:32,778 INFO L225 Difference]: With dead ends: 293 [2018-07-23 13:55:32,778 INFO L226 Difference]: Without dead ends: 292 [2018-07-23 13:55:32,779 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:55:32,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-07-23 13:55:32,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2018-07-23 13:55:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-07-23 13:55:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 292 transitions. [2018-07-23 13:55:32,783 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 292 transitions. Word has length 289 [2018-07-23 13:55:32,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:32,783 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 292 transitions. [2018-07-23 13:55:32,783 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:55:32,783 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 292 transitions. [2018-07-23 13:55:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-07-23 13:55:32,784 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:32,784 INFO L357 BasicCegarLoop]: trace histogram [145, 144, 1, 1] [2018-07-23 13:55:32,784 INFO L414 AbstractCegarLoop]: === Iteration 145 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:32,784 INFO L82 PathProgramCache]: Analyzing trace with hash -170164736, now seen corresponding path program 144 times [2018-07-23 13:55:32,784 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:33,566 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:33,566 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:55:33,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:33,567 INFO L185 omatonBuilderFactory]: Interpolants [96853#false, 96852#true, 96855#(<= (+ main_offset 39996) main_length), 96854#(<= (+ main_offset 40000) main_length), 96857#(<= (+ main_offset 39988) main_length), 96856#(<= (+ main_offset 39992) main_length), 96859#(<= (+ main_offset 39980) main_length), 96858#(<= (+ main_offset 39984) main_length), 96861#(<= (+ main_offset 39972) main_length), 96860#(<= (+ main_offset 39976) main_length), 96863#(<= (+ main_offset 39964) main_length), 96862#(<= (+ main_offset 39968) main_length), 96865#(<= (+ main_offset 39956) main_length), 96864#(<= (+ main_offset 39960) main_length), 96867#(<= (+ main_offset 39948) main_length), 96866#(<= (+ main_offset 39952) main_length), 96869#(<= (+ main_offset 39940) main_length), 96868#(<= (+ main_offset 39944) main_length), 96871#(<= (+ main_offset 39932) main_length), 96870#(<= (+ main_offset 39936) main_length), 96873#(<= (+ main_offset 39924) main_length), 96872#(<= (+ main_offset 39928) main_length), 96875#(<= (+ main_offset 39916) main_length), 96874#(<= (+ main_offset 39920) main_length), 96877#(<= (+ main_offset 39908) main_length), 96876#(<= (+ main_offset 39912) main_length), 96879#(<= (+ main_offset 39900) main_length), 96878#(<= (+ main_offset 39904) main_length), 96881#(<= (+ main_offset 39892) main_length), 96880#(<= (+ main_offset 39896) main_length), 96883#(<= (+ main_offset 39884) main_length), 96882#(<= (+ main_offset 39888) main_length), 96885#(<= (+ main_offset 39876) main_length), 96884#(<= (+ main_offset 39880) main_length), 96887#(<= (+ main_offset 39868) main_length), 96886#(<= (+ main_offset 39872) main_length), 96889#(<= (+ main_offset 39860) main_length), 96888#(<= (+ main_offset 39864) main_length), 96891#(<= (+ main_offset 39852) main_length), 96890#(<= (+ main_offset 39856) main_length), 96893#(<= (+ main_offset 39844) main_length), 96892#(<= (+ main_offset 39848) main_length), 96895#(<= (+ main_offset 39836) main_length), 96894#(<= (+ main_offset 39840) main_length), 96897#(<= (+ main_offset 39828) main_length), 96896#(<= (+ main_offset 39832) main_length), 96899#(<= (+ main_offset 39820) main_length), 96898#(<= (+ main_offset 39824) main_length), 96901#(<= (+ main_offset 39812) main_length), 96900#(<= (+ main_offset 39816) main_length), 96903#(<= (+ main_offset 39804) main_length), 96902#(<= (+ main_offset 39808) main_length), 96905#(<= (+ main_offset 39796) main_length), 96904#(<= (+ main_offset 39800) main_length), 96907#(<= (+ main_offset 39788) main_length), 96906#(<= (+ main_offset 39792) main_length), 96909#(<= (+ main_offset 39780) main_length), 96908#(<= (+ main_offset 39784) main_length), 96911#(<= (+ main_offset 39772) main_length), 96910#(<= (+ main_offset 39776) main_length), 96913#(<= (+ main_offset 39764) main_length), 96912#(<= (+ main_offset 39768) main_length), 96915#(<= (+ main_offset 39756) main_length), 96914#(<= (+ main_offset 39760) main_length), 96917#(<= (+ main_offset 39748) main_length), 96916#(<= (+ main_offset 39752) main_length), 96919#(<= (+ main_offset 39740) main_length), 96918#(<= (+ main_offset 39744) main_length), 96921#(<= (+ main_offset 39732) main_length), 96920#(<= (+ main_offset 39736) main_length), 96923#(<= (+ main_offset 39724) main_length), 96922#(<= (+ main_offset 39728) main_length), 96925#(<= (+ main_offset 39716) main_length), 96924#(<= (+ main_offset 39720) main_length), 96927#(<= (+ main_offset 39708) main_length), 96926#(<= (+ main_offset 39712) main_length), 96929#(<= (+ main_offset 39700) main_length), 96928#(<= (+ main_offset 39704) main_length), 96931#(<= (+ main_offset 39692) main_length), 96930#(<= (+ main_offset 39696) main_length), 96933#(<= (+ main_offset 39684) main_length), 96932#(<= (+ main_offset 39688) main_length), 96935#(<= (+ main_offset 39676) main_length), 96934#(<= (+ main_offset 39680) main_length), 96937#(<= (+ main_offset 39668) main_length), 96936#(<= (+ main_offset 39672) main_length), 96939#(<= (+ main_offset 39660) main_length), 96938#(<= (+ main_offset 39664) main_length), 96941#(<= (+ main_offset 39652) main_length), 96940#(<= (+ main_offset 39656) main_length), 96943#(<= (+ main_offset 39644) main_length), 96942#(<= (+ main_offset 39648) main_length), 96945#(<= (+ main_offset 39636) main_length), 96944#(<= (+ main_offset 39640) main_length), 96947#(<= (+ main_offset 39628) main_length), 96946#(<= (+ main_offset 39632) main_length), 96949#(<= (+ main_offset 39620) main_length), 96948#(<= (+ main_offset 39624) main_length), 96951#(<= (+ main_offset 39612) main_length), 96950#(<= (+ main_offset 39616) main_length), 96953#(<= (+ main_offset 39604) main_length), 96952#(<= (+ main_offset 39608) main_length), 96955#(<= (+ main_offset 39596) main_length), 96954#(<= (+ main_offset 39600) main_length), 96957#(<= (+ main_offset 39588) main_length), 96956#(<= (+ main_offset 39592) main_length), 96959#(<= (+ main_offset 39580) main_length), 96958#(<= (+ main_offset 39584) main_length), 96961#(<= (+ main_offset 39572) main_length), 96960#(<= (+ main_offset 39576) main_length), 96963#(<= (+ main_offset 39564) main_length), 96962#(<= (+ main_offset 39568) main_length), 96965#(<= (+ main_offset 39556) main_length), 96964#(<= (+ main_offset 39560) main_length), 96967#(<= (+ main_offset 39548) main_length), 96966#(<= (+ main_offset 39552) main_length), 96969#(<= (+ main_offset 39540) main_length), 96968#(<= (+ main_offset 39544) main_length), 96971#(<= (+ main_offset 39532) main_length), 96970#(<= (+ main_offset 39536) main_length), 96973#(<= (+ main_offset 39524) main_length), 96972#(<= (+ main_offset 39528) main_length), 96975#(<= (+ main_offset 39516) main_length), 96974#(<= (+ main_offset 39520) main_length), 96977#(<= (+ main_offset 39508) main_length), 96976#(<= (+ main_offset 39512) main_length), 96979#(<= (+ main_offset 39500) main_length), 96978#(<= (+ main_offset 39504) main_length), 96981#(<= (+ main_offset 39492) main_length), 96980#(<= (+ main_offset 39496) main_length), 96983#(<= (+ main_offset 39484) main_length), 96982#(<= (+ main_offset 39488) main_length), 96985#(<= (+ main_offset 39476) main_length), 96984#(<= (+ main_offset 39480) main_length), 96987#(<= (+ main_offset 39468) main_length), 96986#(<= (+ main_offset 39472) main_length), 96989#(<= (+ main_offset 39460) main_length), 96988#(<= (+ main_offset 39464) main_length), 96991#(<= (+ main_offset 39452) main_length), 96990#(<= (+ main_offset 39456) main_length), 96993#(<= (+ main_offset 39444) main_length), 96992#(<= (+ main_offset 39448) main_length), 96995#(<= (+ main_offset 39436) main_length), 96994#(<= (+ main_offset 39440) main_length), 96997#(<= (+ main_offset 39428) main_length), 96996#(<= (+ main_offset 39432) main_length), 96998#(<= (+ main_offset 39424) main_length)] [2018-07-23 13:55:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:33,568 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:55:33,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:55:33,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:55:33,571 INFO L87 Difference]: Start difference. First operand 292 states and 292 transitions. Second operand 147 states. [2018-07-23 13:55:34,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:34,106 INFO L93 Difference]: Finished difference Result 295 states and 295 transitions. [2018-07-23 13:55:34,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:55:34,107 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 291 [2018-07-23 13:55:34,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:34,107 INFO L225 Difference]: With dead ends: 295 [2018-07-23 13:55:34,107 INFO L226 Difference]: Without dead ends: 294 [2018-07-23 13:55:34,108 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:55:34,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-07-23 13:55:34,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-07-23 13:55:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-07-23 13:55:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 294 transitions. [2018-07-23 13:55:34,112 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 294 transitions. Word has length 291 [2018-07-23 13:55:34,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:34,113 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 294 transitions. [2018-07-23 13:55:34,113 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:55:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 294 transitions. [2018-07-23 13:55:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-07-23 13:55:34,114 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:34,114 INFO L357 BasicCegarLoop]: trace histogram [146, 145, 1, 1] [2018-07-23 13:55:34,114 INFO L414 AbstractCegarLoop]: === Iteration 146 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:34,114 INFO L82 PathProgramCache]: Analyzing trace with hash -319552958, now seen corresponding path program 145 times [2018-07-23 13:55:34,114 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:34,950 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:34,951 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:55:34,951 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:34,951 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 13:55:34,951 INFO L185 omatonBuilderFactory]: Interpolants [98305#(<= (+ main_offset 39496) main_length), 98304#(<= (+ main_offset 39500) main_length), 98307#(<= (+ main_offset 39488) main_length), 98306#(<= (+ main_offset 39492) main_length), 98309#(<= (+ main_offset 39480) main_length), 98308#(<= (+ main_offset 39484) main_length), 98311#(<= (+ main_offset 39472) main_length), 98310#(<= (+ main_offset 39476) main_length), 98313#(<= (+ main_offset 39464) main_length), 98312#(<= (+ main_offset 39468) main_length), 98315#(<= (+ main_offset 39456) main_length), 98314#(<= (+ main_offset 39460) main_length), 98317#(<= (+ main_offset 39448) main_length), 98316#(<= (+ main_offset 39452) main_length), 98319#(<= (+ main_offset 39440) main_length), 98318#(<= (+ main_offset 39444) main_length), 98321#(<= (+ main_offset 39432) main_length), 98320#(<= (+ main_offset 39436) main_length), 98323#(<= (+ main_offset 39424) main_length), 98322#(<= (+ main_offset 39428) main_length), 98324#(<= (+ main_offset 39420) main_length), 98177#true, 98179#(<= (+ main_offset 40000) main_length), 98178#false, 98181#(<= (+ main_offset 39992) main_length), 98180#(<= (+ main_offset 39996) main_length), 98183#(<= (+ main_offset 39984) main_length), 98182#(<= (+ main_offset 39988) main_length), 98185#(<= (+ main_offset 39976) main_length), 98184#(<= (+ main_offset 39980) main_length), 98187#(<= (+ main_offset 39968) main_length), 98186#(<= (+ main_offset 39972) main_length), 98189#(<= (+ main_offset 39960) main_length), 98188#(<= (+ main_offset 39964) main_length), 98191#(<= (+ main_offset 39952) main_length), 98190#(<= (+ main_offset 39956) main_length), 98193#(<= (+ main_offset 39944) main_length), 98192#(<= (+ main_offset 39948) main_length), 98195#(<= (+ main_offset 39936) main_length), 98194#(<= (+ main_offset 39940) main_length), 98197#(<= (+ main_offset 39928) main_length), 98196#(<= (+ main_offset 39932) main_length), 98199#(<= (+ main_offset 39920) main_length), 98198#(<= (+ main_offset 39924) main_length), 98201#(<= (+ main_offset 39912) main_length), 98200#(<= (+ main_offset 39916) main_length), 98203#(<= (+ main_offset 39904) main_length), 98202#(<= (+ main_offset 39908) main_length), 98205#(<= (+ main_offset 39896) main_length), 98204#(<= (+ main_offset 39900) main_length), 98207#(<= (+ main_offset 39888) main_length), 98206#(<= (+ main_offset 39892) main_length), 98209#(<= (+ main_offset 39880) main_length), 98208#(<= (+ main_offset 39884) main_length), 98211#(<= (+ main_offset 39872) main_length), 98210#(<= (+ main_offset 39876) main_length), 98213#(<= (+ main_offset 39864) main_length), 98212#(<= (+ main_offset 39868) main_length), 98215#(<= (+ main_offset 39856) main_length), 98214#(<= (+ main_offset 39860) main_length), 98217#(<= (+ main_offset 39848) main_length), 98216#(<= (+ main_offset 39852) main_length), 98219#(<= (+ main_offset 39840) main_length), 98218#(<= (+ main_offset 39844) main_length), 98221#(<= (+ main_offset 39832) main_length), 98220#(<= (+ main_offset 39836) main_length), 98223#(<= (+ main_offset 39824) main_length), 98222#(<= (+ main_offset 39828) main_length), 98225#(<= (+ main_offset 39816) main_length), 98224#(<= (+ main_offset 39820) main_length), 98227#(<= (+ main_offset 39808) main_length), 98226#(<= (+ main_offset 39812) main_length), 98229#(<= (+ main_offset 39800) main_length), 98228#(<= (+ main_offset 39804) main_length), 98231#(<= (+ main_offset 39792) main_length), 98230#(<= (+ main_offset 39796) main_length), 98233#(<= (+ main_offset 39784) main_length), 98232#(<= (+ main_offset 39788) main_length), 98235#(<= (+ main_offset 39776) main_length), 98234#(<= (+ main_offset 39780) main_length), 98237#(<= (+ main_offset 39768) main_length), 98236#(<= (+ main_offset 39772) main_length), 98239#(<= (+ main_offset 39760) main_length), 98238#(<= (+ main_offset 39764) main_length), 98241#(<= (+ main_offset 39752) main_length), 98240#(<= (+ main_offset 39756) main_length), 98243#(<= (+ main_offset 39744) main_length), 98242#(<= (+ main_offset 39748) main_length), 98245#(<= (+ main_offset 39736) main_length), 98244#(<= (+ main_offset 39740) main_length), 98247#(<= (+ main_offset 39728) main_length), 98246#(<= (+ main_offset 39732) main_length), 98249#(<= (+ main_offset 39720) main_length), 98248#(<= (+ main_offset 39724) main_length), 98251#(<= (+ main_offset 39712) main_length), 98250#(<= (+ main_offset 39716) main_length), 98253#(<= (+ main_offset 39704) main_length), 98252#(<= (+ main_offset 39708) main_length), 98255#(<= (+ main_offset 39696) main_length), 98254#(<= (+ main_offset 39700) main_length), 98257#(<= (+ main_offset 39688) main_length), 98256#(<= (+ main_offset 39692) main_length), 98259#(<= (+ main_offset 39680) main_length), 98258#(<= (+ main_offset 39684) main_length), 98261#(<= (+ main_offset 39672) main_length), 98260#(<= (+ main_offset 39676) main_length), 98263#(<= (+ main_offset 39664) main_length), 98262#(<= (+ main_offset 39668) main_length), 98265#(<= (+ main_offset 39656) main_length), 98264#(<= (+ main_offset 39660) main_length), 98267#(<= (+ main_offset 39648) main_length), 98266#(<= (+ main_offset 39652) main_length), 98269#(<= (+ main_offset 39640) main_length), 98268#(<= (+ main_offset 39644) main_length), 98271#(<= (+ main_offset 39632) main_length), 98270#(<= (+ main_offset 39636) main_length), 98273#(<= (+ main_offset 39624) main_length), 98272#(<= (+ main_offset 39628) main_length), 98275#(<= (+ main_offset 39616) main_length), 98274#(<= (+ main_offset 39620) main_length), 98277#(<= (+ main_offset 39608) main_length), 98276#(<= (+ main_offset 39612) main_length), 98279#(<= (+ main_offset 39600) main_length), 98278#(<= (+ main_offset 39604) main_length), 98281#(<= (+ main_offset 39592) main_length), 98280#(<= (+ main_offset 39596) main_length), 98283#(<= (+ main_offset 39584) main_length), 98282#(<= (+ main_offset 39588) main_length), 98285#(<= (+ main_offset 39576) main_length), 98284#(<= (+ main_offset 39580) main_length), 98287#(<= (+ main_offset 39568) main_length), 98286#(<= (+ main_offset 39572) main_length), 98289#(<= (+ main_offset 39560) main_length), 98288#(<= (+ main_offset 39564) main_length), 98291#(<= (+ main_offset 39552) main_length), 98290#(<= (+ main_offset 39556) main_length), 98293#(<= (+ main_offset 39544) main_length), 98292#(<= (+ main_offset 39548) main_length), 98295#(<= (+ main_offset 39536) main_length), 98294#(<= (+ main_offset 39540) main_length), 98297#(<= (+ main_offset 39528) main_length), 98296#(<= (+ main_offset 39532) main_length), 98299#(<= (+ main_offset 39520) main_length), 98298#(<= (+ main_offset 39524) main_length), 98301#(<= (+ main_offset 39512) main_length), 98300#(<= (+ main_offset 39516) main_length), 98303#(<= (+ main_offset 39504) main_length), 98302#(<= (+ main_offset 39508) main_length)] [2018-07-23 13:55:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:34,952 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:55:34,954 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:55:34,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:55:34,955 INFO L87 Difference]: Start difference. First operand 294 states and 294 transitions. Second operand 148 states. [2018-07-23 13:55:35,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:35,394 INFO L93 Difference]: Finished difference Result 297 states and 297 transitions. [2018-07-23 13:55:35,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:55:35,394 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 293 [2018-07-23 13:55:35,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:35,395 INFO L225 Difference]: With dead ends: 297 [2018-07-23 13:55:35,395 INFO L226 Difference]: Without dead ends: 296 [2018-07-23 13:55:35,396 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:55:35,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-07-23 13:55:35,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2018-07-23 13:55:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-07-23 13:55:35,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 296 transitions. [2018-07-23 13:55:35,400 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 296 transitions. Word has length 293 [2018-07-23 13:55:35,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:35,400 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 296 transitions. [2018-07-23 13:55:35,400 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:55:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 296 transitions. [2018-07-23 13:55:35,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-07-23 13:55:35,401 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:35,401 INFO L357 BasicCegarLoop]: trace histogram [147, 146, 1, 1] [2018-07-23 13:55:35,402 INFO L414 AbstractCegarLoop]: === Iteration 147 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:35,402 INFO L82 PathProgramCache]: Analyzing trace with hash 2147253764, now seen corresponding path program 146 times [2018-07-23 13:55:35,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:36,225 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:36,225 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:55:36,225 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:36,225 INFO L185 omatonBuilderFactory]: Interpolants [99585#(<= (+ main_offset 39712) main_length), 99584#(<= (+ main_offset 39716) main_length), 99587#(<= (+ main_offset 39704) main_length), 99586#(<= (+ main_offset 39708) main_length), 99589#(<= (+ main_offset 39696) main_length), 99588#(<= (+ main_offset 39700) main_length), 99591#(<= (+ main_offset 39688) main_length), 99590#(<= (+ main_offset 39692) main_length), 99593#(<= (+ main_offset 39680) main_length), 99592#(<= (+ main_offset 39684) main_length), 99595#(<= (+ main_offset 39672) main_length), 99594#(<= (+ main_offset 39676) main_length), 99597#(<= (+ main_offset 39664) main_length), 99596#(<= (+ main_offset 39668) main_length), 99599#(<= (+ main_offset 39656) main_length), 99598#(<= (+ main_offset 39660) main_length), 99601#(<= (+ main_offset 39648) main_length), 99600#(<= (+ main_offset 39652) main_length), 99603#(<= (+ main_offset 39640) main_length), 99602#(<= (+ main_offset 39644) main_length), 99605#(<= (+ main_offset 39632) main_length), 99604#(<= (+ main_offset 39636) main_length), 99607#(<= (+ main_offset 39624) main_length), 99606#(<= (+ main_offset 39628) main_length), 99609#(<= (+ main_offset 39616) main_length), 99608#(<= (+ main_offset 39620) main_length), 99611#(<= (+ main_offset 39608) main_length), 99610#(<= (+ main_offset 39612) main_length), 99613#(<= (+ main_offset 39600) main_length), 99612#(<= (+ main_offset 39604) main_length), 99615#(<= (+ main_offset 39592) main_length), 99614#(<= (+ main_offset 39596) main_length), 99617#(<= (+ main_offset 39584) main_length), 99616#(<= (+ main_offset 39588) main_length), 99619#(<= (+ main_offset 39576) main_length), 99618#(<= (+ main_offset 39580) main_length), 99621#(<= (+ main_offset 39568) main_length), 99620#(<= (+ main_offset 39572) main_length), 99623#(<= (+ main_offset 39560) main_length), 99622#(<= (+ main_offset 39564) main_length), 99625#(<= (+ main_offset 39552) main_length), 99624#(<= (+ main_offset 39556) main_length), 99627#(<= (+ main_offset 39544) main_length), 99626#(<= (+ main_offset 39548) main_length), 99629#(<= (+ main_offset 39536) main_length), 99628#(<= (+ main_offset 39540) main_length), 99631#(<= (+ main_offset 39528) main_length), 99630#(<= (+ main_offset 39532) main_length), 99633#(<= (+ main_offset 39520) main_length), 99632#(<= (+ main_offset 39524) main_length), 99635#(<= (+ main_offset 39512) main_length), 99634#(<= (+ main_offset 39516) main_length), 99637#(<= (+ main_offset 39504) main_length), 99636#(<= (+ main_offset 39508) main_length), 99639#(<= (+ main_offset 39496) main_length), 99638#(<= (+ main_offset 39500) main_length), 99641#(<= (+ main_offset 39488) main_length), 99640#(<= (+ main_offset 39492) main_length), 99643#(<= (+ main_offset 39480) main_length), 99642#(<= (+ main_offset 39484) main_length), 99645#(<= (+ main_offset 39472) main_length), 99644#(<= (+ main_offset 39476) main_length), 99647#(<= (+ main_offset 39464) main_length), 99646#(<= (+ main_offset 39468) main_length), 99649#(<= (+ main_offset 39456) main_length), 99648#(<= (+ main_offset 39460) main_length), 99651#(<= (+ main_offset 39448) main_length), 99650#(<= (+ main_offset 39452) main_length), 99653#(<= (+ main_offset 39440) main_length), 99652#(<= (+ main_offset 39444) main_length), 99655#(<= (+ main_offset 39432) main_length), 99654#(<= (+ main_offset 39436) main_length), 99657#(<= (+ main_offset 39424) main_length), 99656#(<= (+ main_offset 39428) main_length), 99659#(<= (+ main_offset 39416) main_length), 99658#(<= (+ main_offset 39420) main_length), 99511#true, 99513#(<= (+ main_offset 40000) main_length), 99512#false, 99515#(<= (+ main_offset 39992) main_length), 99514#(<= (+ main_offset 39996) main_length), 99517#(<= (+ main_offset 39984) main_length), 99516#(<= (+ main_offset 39988) main_length), 99519#(<= (+ main_offset 39976) main_length), 99518#(<= (+ main_offset 39980) main_length), 99521#(<= (+ main_offset 39968) main_length), 99520#(<= (+ main_offset 39972) main_length), 99523#(<= (+ main_offset 39960) main_length), 99522#(<= (+ main_offset 39964) main_length), 99525#(<= (+ main_offset 39952) main_length), 99524#(<= (+ main_offset 39956) main_length), 99527#(<= (+ main_offset 39944) main_length), 99526#(<= (+ main_offset 39948) main_length), 99529#(<= (+ main_offset 39936) main_length), 99528#(<= (+ main_offset 39940) main_length), 99531#(<= (+ main_offset 39928) main_length), 99530#(<= (+ main_offset 39932) main_length), 99533#(<= (+ main_offset 39920) main_length), 99532#(<= (+ main_offset 39924) main_length), 99535#(<= (+ main_offset 39912) main_length), 99534#(<= (+ main_offset 39916) main_length), 99537#(<= (+ main_offset 39904) main_length), 99536#(<= (+ main_offset 39908) main_length), 99539#(<= (+ main_offset 39896) main_length), 99538#(<= (+ main_offset 39900) main_length), 99541#(<= (+ main_offset 39888) main_length), 99540#(<= (+ main_offset 39892) main_length), 99543#(<= (+ main_offset 39880) main_length), 99542#(<= (+ main_offset 39884) main_length), 99545#(<= (+ main_offset 39872) main_length), 99544#(<= (+ main_offset 39876) main_length), 99547#(<= (+ main_offset 39864) main_length), 99546#(<= (+ main_offset 39868) main_length), 99549#(<= (+ main_offset 39856) main_length), 99548#(<= (+ main_offset 39860) main_length), 99551#(<= (+ main_offset 39848) main_length), 99550#(<= (+ main_offset 39852) main_length), 99553#(<= (+ main_offset 39840) main_length), 99552#(<= (+ main_offset 39844) main_length), 99555#(<= (+ main_offset 39832) main_length), 99554#(<= (+ main_offset 39836) main_length), 99557#(<= (+ main_offset 39824) main_length), 99556#(<= (+ main_offset 39828) main_length), 99559#(<= (+ main_offset 39816) main_length), 99558#(<= (+ main_offset 39820) main_length), 99561#(<= (+ main_offset 39808) main_length), 99560#(<= (+ main_offset 39812) main_length), 99563#(<= (+ main_offset 39800) main_length), 99562#(<= (+ main_offset 39804) main_length), 99565#(<= (+ main_offset 39792) main_length), 99564#(<= (+ main_offset 39796) main_length), 99567#(<= (+ main_offset 39784) main_length), 99566#(<= (+ main_offset 39788) main_length), 99569#(<= (+ main_offset 39776) main_length), 99568#(<= (+ main_offset 39780) main_length), 99571#(<= (+ main_offset 39768) main_length), 99570#(<= (+ main_offset 39772) main_length), 99573#(<= (+ main_offset 39760) main_length), 99572#(<= (+ main_offset 39764) main_length), 99575#(<= (+ main_offset 39752) main_length), 99574#(<= (+ main_offset 39756) main_length), 99577#(<= (+ main_offset 39744) main_length), 99576#(<= (+ main_offset 39748) main_length), 99579#(<= (+ main_offset 39736) main_length), 99578#(<= (+ main_offset 39740) main_length), 99581#(<= (+ main_offset 39728) main_length), 99580#(<= (+ main_offset 39732) main_length), 99583#(<= (+ main_offset 39720) main_length), 99582#(<= (+ main_offset 39724) main_length)] [2018-07-23 13:55:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:36,227 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:55:36,228 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:55:36,229 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:55:36,229 INFO L87 Difference]: Start difference. First operand 296 states and 296 transitions. Second operand 149 states. [2018-07-23 13:55:36,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:36,464 INFO L93 Difference]: Finished difference Result 299 states and 299 transitions. [2018-07-23 13:55:36,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:55:36,464 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 295 [2018-07-23 13:55:36,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:36,465 INFO L225 Difference]: With dead ends: 299 [2018-07-23 13:55:36,465 INFO L226 Difference]: Without dead ends: 298 [2018-07-23 13:55:36,467 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:55:36,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-07-23 13:55:36,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2018-07-23 13:55:36,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2018-07-23 13:55:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 298 transitions. [2018-07-23 13:55:36,473 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 298 transitions. Word has length 295 [2018-07-23 13:55:36,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:36,473 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 298 transitions. [2018-07-23 13:55:36,473 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:55:36,473 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 298 transitions. [2018-07-23 13:55:36,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-07-23 13:55:36,474 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:36,475 INFO L357 BasicCegarLoop]: trace histogram [148, 147, 1, 1] [2018-07-23 13:55:36,475 INFO L414 AbstractCegarLoop]: === Iteration 148 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:36,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1926566214, now seen corresponding path program 147 times [2018-07-23 13:55:36,475 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:37,508 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:37,508 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:37,508 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:55:37,509 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:37,509 INFO L185 omatonBuilderFactory]: Interpolants [100865#(<= (+ main_offset 39964) main_length), 100864#(<= (+ main_offset 39968) main_length), 100867#(<= (+ main_offset 39956) main_length), 100866#(<= (+ main_offset 39960) main_length), 100869#(<= (+ main_offset 39948) main_length), 100868#(<= (+ main_offset 39952) main_length), 100871#(<= (+ main_offset 39940) main_length), 100870#(<= (+ main_offset 39944) main_length), 100873#(<= (+ main_offset 39932) main_length), 100872#(<= (+ main_offset 39936) main_length), 100875#(<= (+ main_offset 39924) main_length), 100874#(<= (+ main_offset 39928) main_length), 100877#(<= (+ main_offset 39916) main_length), 100876#(<= (+ main_offset 39920) main_length), 100879#(<= (+ main_offset 39908) main_length), 100878#(<= (+ main_offset 39912) main_length), 100881#(<= (+ main_offset 39900) main_length), 100880#(<= (+ main_offset 39904) main_length), 100883#(<= (+ main_offset 39892) main_length), 100882#(<= (+ main_offset 39896) main_length), 100885#(<= (+ main_offset 39884) main_length), 100884#(<= (+ main_offset 39888) main_length), 100887#(<= (+ main_offset 39876) main_length), 100886#(<= (+ main_offset 39880) main_length), 100889#(<= (+ main_offset 39868) main_length), 100888#(<= (+ main_offset 39872) main_length), 100891#(<= (+ main_offset 39860) main_length), 100890#(<= (+ main_offset 39864) main_length), 100893#(<= (+ main_offset 39852) main_length), 100892#(<= (+ main_offset 39856) main_length), 100895#(<= (+ main_offset 39844) main_length), 100894#(<= (+ main_offset 39848) main_length), 100897#(<= (+ main_offset 39836) main_length), 100896#(<= (+ main_offset 39840) main_length), 100899#(<= (+ main_offset 39828) main_length), 100898#(<= (+ main_offset 39832) main_length), 100901#(<= (+ main_offset 39820) main_length), 100900#(<= (+ main_offset 39824) main_length), 100903#(<= (+ main_offset 39812) main_length), 100902#(<= (+ main_offset 39816) main_length), 100905#(<= (+ main_offset 39804) main_length), 100904#(<= (+ main_offset 39808) main_length), 100907#(<= (+ main_offset 39796) main_length), 100906#(<= (+ main_offset 39800) main_length), 100909#(<= (+ main_offset 39788) main_length), 100908#(<= (+ main_offset 39792) main_length), 100911#(<= (+ main_offset 39780) main_length), 100910#(<= (+ main_offset 39784) main_length), 100913#(<= (+ main_offset 39772) main_length), 100912#(<= (+ main_offset 39776) main_length), 100915#(<= (+ main_offset 39764) main_length), 100914#(<= (+ main_offset 39768) main_length), 100917#(<= (+ main_offset 39756) main_length), 100916#(<= (+ main_offset 39760) main_length), 100919#(<= (+ main_offset 39748) main_length), 100918#(<= (+ main_offset 39752) main_length), 100921#(<= (+ main_offset 39740) main_length), 100920#(<= (+ main_offset 39744) main_length), 100923#(<= (+ main_offset 39732) main_length), 100922#(<= (+ main_offset 39736) main_length), 100925#(<= (+ main_offset 39724) main_length), 100924#(<= (+ main_offset 39728) main_length), 100927#(<= (+ main_offset 39716) main_length), 100926#(<= (+ main_offset 39720) main_length), 100929#(<= (+ main_offset 39708) main_length), 100928#(<= (+ main_offset 39712) main_length), 100931#(<= (+ main_offset 39700) main_length), 100930#(<= (+ main_offset 39704) main_length), 100933#(<= (+ main_offset 39692) main_length), 100932#(<= (+ main_offset 39696) main_length), 100935#(<= (+ main_offset 39684) main_length), 100934#(<= (+ main_offset 39688) main_length), 100937#(<= (+ main_offset 39676) main_length), 100936#(<= (+ main_offset 39680) main_length), 100939#(<= (+ main_offset 39668) main_length), 100938#(<= (+ main_offset 39672) main_length), 100941#(<= (+ main_offset 39660) main_length), 100940#(<= (+ main_offset 39664) main_length), 100943#(<= (+ main_offset 39652) main_length), 100942#(<= (+ main_offset 39656) main_length), 100945#(<= (+ main_offset 39644) main_length), 100944#(<= (+ main_offset 39648) main_length), 100947#(<= (+ main_offset 39636) main_length), 100946#(<= (+ main_offset 39640) main_length), 100949#(<= (+ main_offset 39628) main_length), 100948#(<= (+ main_offset 39632) main_length), 100951#(<= (+ main_offset 39620) main_length), 100950#(<= (+ main_offset 39624) main_length), 100953#(<= (+ main_offset 39612) main_length), 100952#(<= (+ main_offset 39616) main_length), 100955#(<= (+ main_offset 39604) main_length), 100954#(<= (+ main_offset 39608) main_length), 100957#(<= (+ main_offset 39596) main_length), 100956#(<= (+ main_offset 39600) main_length), 100959#(<= (+ main_offset 39588) main_length), 100958#(<= (+ main_offset 39592) main_length), 100961#(<= (+ main_offset 39580) main_length), 100960#(<= (+ main_offset 39584) main_length), 100963#(<= (+ main_offset 39572) main_length), 100962#(<= (+ main_offset 39576) main_length), 100965#(<= (+ main_offset 39564) main_length), 100964#(<= (+ main_offset 39568) main_length), 100967#(<= (+ main_offset 39556) main_length), 100966#(<= (+ main_offset 39560) main_length), 100969#(<= (+ main_offset 39548) main_length), 100968#(<= (+ main_offset 39552) main_length), 100971#(<= (+ main_offset 39540) main_length), 100970#(<= (+ main_offset 39544) main_length), 100973#(<= (+ main_offset 39532) main_length), 100972#(<= (+ main_offset 39536) main_length), 100975#(<= (+ main_offset 39524) main_length), 100974#(<= (+ main_offset 39528) main_length), 100977#(<= (+ main_offset 39516) main_length), 100976#(<= (+ main_offset 39520) main_length), 100979#(<= (+ main_offset 39508) main_length), 100978#(<= (+ main_offset 39512) main_length), 100981#(<= (+ main_offset 39500) main_length), 100980#(<= (+ main_offset 39504) main_length), 100983#(<= (+ main_offset 39492) main_length), 100982#(<= (+ main_offset 39496) main_length), 100985#(<= (+ main_offset 39484) main_length), 100984#(<= (+ main_offset 39488) main_length), 100987#(<= (+ main_offset 39476) main_length), 100986#(<= (+ main_offset 39480) main_length), 100989#(<= (+ main_offset 39468) main_length), 100988#(<= (+ main_offset 39472) main_length), 100991#(<= (+ main_offset 39460) main_length), 100990#(<= (+ main_offset 39464) main_length), 100993#(<= (+ main_offset 39452) main_length), 100992#(<= (+ main_offset 39456) main_length), 100995#(<= (+ main_offset 39444) main_length), 100994#(<= (+ main_offset 39448) main_length), 100997#(<= (+ main_offset 39436) main_length), 100996#(<= (+ main_offset 39440) main_length), 100999#(<= (+ main_offset 39428) main_length), 100998#(<= (+ main_offset 39432) main_length), 101001#(<= (+ main_offset 39420) main_length), 101000#(<= (+ main_offset 39424) main_length), 101003#(<= (+ main_offset 39412) main_length), 101002#(<= (+ main_offset 39416) main_length), 100855#false, 100854#true, 100857#(<= (+ main_offset 39996) main_length), 100856#(<= (+ main_offset 40000) main_length), 100859#(<= (+ main_offset 39988) main_length), 100858#(<= (+ main_offset 39992) main_length), 100861#(<= (+ main_offset 39980) main_length), 100860#(<= (+ main_offset 39984) main_length), 100863#(<= (+ main_offset 39972) main_length), 100862#(<= (+ main_offset 39976) main_length)] [2018-07-23 13:55:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:37,510 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:55:37,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:55:37,512 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:55:37,512 INFO L87 Difference]: Start difference. First operand 298 states and 298 transitions. Second operand 150 states. [2018-07-23 13:55:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:38,266 INFO L93 Difference]: Finished difference Result 301 states and 301 transitions. [2018-07-23 13:55:38,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:55:38,266 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 297 [2018-07-23 13:55:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:38,266 INFO L225 Difference]: With dead ends: 301 [2018-07-23 13:55:38,267 INFO L226 Difference]: Without dead ends: 300 [2018-07-23 13:55:38,267 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:55:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-07-23 13:55:38,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2018-07-23 13:55:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-07-23 13:55:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 300 transitions. [2018-07-23 13:55:38,271 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 300 transitions. Word has length 297 [2018-07-23 13:55:38,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:38,271 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 300 transitions. [2018-07-23 13:55:38,271 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:55:38,272 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 300 transitions. [2018-07-23 13:55:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-07-23 13:55:38,272 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:38,272 INFO L357 BasicCegarLoop]: trace histogram [149, 148, 1, 1] [2018-07-23 13:55:38,272 INFO L414 AbstractCegarLoop]: === Iteration 149 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:38,273 INFO L82 PathProgramCache]: Analyzing trace with hash 299228168, now seen corresponding path program 148 times [2018-07-23 13:55:38,273 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:39,071 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:39,071 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:55:39,071 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:39,072 INFO L185 omatonBuilderFactory]: Interpolants [102207#false, 102206#true, 102209#(<= (+ main_offset 39996) main_length), 102208#(<= (+ main_offset 40000) main_length), 102211#(<= (+ main_offset 39988) main_length), 102210#(<= (+ main_offset 39992) main_length), 102213#(<= (+ main_offset 39980) main_length), 102212#(<= (+ main_offset 39984) main_length), 102215#(<= (+ main_offset 39972) main_length), 102214#(<= (+ main_offset 39976) main_length), 102217#(<= (+ main_offset 39964) main_length), 102216#(<= (+ main_offset 39968) main_length), 102219#(<= (+ main_offset 39956) main_length), 102218#(<= (+ main_offset 39960) main_length), 102221#(<= (+ main_offset 39948) main_length), 102220#(<= (+ main_offset 39952) main_length), 102223#(<= (+ main_offset 39940) main_length), 102222#(<= (+ main_offset 39944) main_length), 102225#(<= (+ main_offset 39932) main_length), 102224#(<= (+ main_offset 39936) main_length), 102227#(<= (+ main_offset 39924) main_length), 102226#(<= (+ main_offset 39928) main_length), 102229#(<= (+ main_offset 39916) main_length), 102228#(<= (+ main_offset 39920) main_length), 102231#(<= (+ main_offset 39908) main_length), 102230#(<= (+ main_offset 39912) main_length), 102233#(<= (+ main_offset 39900) main_length), 102232#(<= (+ main_offset 39904) main_length), 102235#(<= (+ main_offset 39892) main_length), 102234#(<= (+ main_offset 39896) main_length), 102237#(<= (+ main_offset 39884) main_length), 102236#(<= (+ main_offset 39888) main_length), 102239#(<= (+ main_offset 39876) main_length), 102238#(<= (+ main_offset 39880) main_length), 102241#(<= (+ main_offset 39868) main_length), 102240#(<= (+ main_offset 39872) main_length), 102243#(<= (+ main_offset 39860) main_length), 102242#(<= (+ main_offset 39864) main_length), 102245#(<= (+ main_offset 39852) main_length), 102244#(<= (+ main_offset 39856) main_length), 102247#(<= (+ main_offset 39844) main_length), 102246#(<= (+ main_offset 39848) main_length), 102249#(<= (+ main_offset 39836) main_length), 102248#(<= (+ main_offset 39840) main_length), 102251#(<= (+ main_offset 39828) main_length), 102250#(<= (+ main_offset 39832) main_length), 102253#(<= (+ main_offset 39820) main_length), 102252#(<= (+ main_offset 39824) main_length), 102255#(<= (+ main_offset 39812) main_length), 102254#(<= (+ main_offset 39816) main_length), 102257#(<= (+ main_offset 39804) main_length), 102256#(<= (+ main_offset 39808) main_length), 102259#(<= (+ main_offset 39796) main_length), 102258#(<= (+ main_offset 39800) main_length), 102261#(<= (+ main_offset 39788) main_length), 102260#(<= (+ main_offset 39792) main_length), 102263#(<= (+ main_offset 39780) main_length), 102262#(<= (+ main_offset 39784) main_length), 102265#(<= (+ main_offset 39772) main_length), 102264#(<= (+ main_offset 39776) main_length), 102267#(<= (+ main_offset 39764) main_length), 102266#(<= (+ main_offset 39768) main_length), 102269#(<= (+ main_offset 39756) main_length), 102268#(<= (+ main_offset 39760) main_length), 102271#(<= (+ main_offset 39748) main_length), 102270#(<= (+ main_offset 39752) main_length), 102273#(<= (+ main_offset 39740) main_length), 102272#(<= (+ main_offset 39744) main_length), 102275#(<= (+ main_offset 39732) main_length), 102274#(<= (+ main_offset 39736) main_length), 102277#(<= (+ main_offset 39724) main_length), 102276#(<= (+ main_offset 39728) main_length), 102279#(<= (+ main_offset 39716) main_length), 102278#(<= (+ main_offset 39720) main_length), 102281#(<= (+ main_offset 39708) main_length), 102280#(<= (+ main_offset 39712) main_length), 102283#(<= (+ main_offset 39700) main_length), 102282#(<= (+ main_offset 39704) main_length), 102285#(<= (+ main_offset 39692) main_length), 102284#(<= (+ main_offset 39696) main_length), 102287#(<= (+ main_offset 39684) main_length), 102286#(<= (+ main_offset 39688) main_length), 102289#(<= (+ main_offset 39676) main_length), 102288#(<= (+ main_offset 39680) main_length), 102291#(<= (+ main_offset 39668) main_length), 102290#(<= (+ main_offset 39672) main_length), 102293#(<= (+ main_offset 39660) main_length), 102292#(<= (+ main_offset 39664) main_length), 102295#(<= (+ main_offset 39652) main_length), 102294#(<= (+ main_offset 39656) main_length), 102297#(<= (+ main_offset 39644) main_length), 102296#(<= (+ main_offset 39648) main_length), 102299#(<= (+ main_offset 39636) main_length), 102298#(<= (+ main_offset 39640) main_length), 102301#(<= (+ main_offset 39628) main_length), 102300#(<= (+ main_offset 39632) main_length), 102303#(<= (+ main_offset 39620) main_length), 102302#(<= (+ main_offset 39624) main_length), 102305#(<= (+ main_offset 39612) main_length), 102304#(<= (+ main_offset 39616) main_length), 102307#(<= (+ main_offset 39604) main_length), 102306#(<= (+ main_offset 39608) main_length), 102309#(<= (+ main_offset 39596) main_length), 102308#(<= (+ main_offset 39600) main_length), 102311#(<= (+ main_offset 39588) main_length), 102310#(<= (+ main_offset 39592) main_length), 102313#(<= (+ main_offset 39580) main_length), 102312#(<= (+ main_offset 39584) main_length), 102315#(<= (+ main_offset 39572) main_length), 102314#(<= (+ main_offset 39576) main_length), 102317#(<= (+ main_offset 39564) main_length), 102316#(<= (+ main_offset 39568) main_length), 102319#(<= (+ main_offset 39556) main_length), 102318#(<= (+ main_offset 39560) main_length), 102321#(<= (+ main_offset 39548) main_length), 102320#(<= (+ main_offset 39552) main_length), 102323#(<= (+ main_offset 39540) main_length), 102322#(<= (+ main_offset 39544) main_length), 102325#(<= (+ main_offset 39532) main_length), 102324#(<= (+ main_offset 39536) main_length), 102327#(<= (+ main_offset 39524) main_length), 102326#(<= (+ main_offset 39528) main_length), 102329#(<= (+ main_offset 39516) main_length), 102328#(<= (+ main_offset 39520) main_length), 102331#(<= (+ main_offset 39508) main_length), 102330#(<= (+ main_offset 39512) main_length), 102333#(<= (+ main_offset 39500) main_length), 102332#(<= (+ main_offset 39504) main_length), 102335#(<= (+ main_offset 39492) main_length), 102334#(<= (+ main_offset 39496) main_length), 102337#(<= (+ main_offset 39484) main_length), 102336#(<= (+ main_offset 39488) main_length), 102339#(<= (+ main_offset 39476) main_length), 102338#(<= (+ main_offset 39480) main_length), 102341#(<= (+ main_offset 39468) main_length), 102340#(<= (+ main_offset 39472) main_length), 102343#(<= (+ main_offset 39460) main_length), 102342#(<= (+ main_offset 39464) main_length), 102345#(<= (+ main_offset 39452) main_length), 102344#(<= (+ main_offset 39456) main_length), 102347#(<= (+ main_offset 39444) main_length), 102346#(<= (+ main_offset 39448) main_length), 102349#(<= (+ main_offset 39436) main_length), 102348#(<= (+ main_offset 39440) main_length), 102351#(<= (+ main_offset 39428) main_length), 102350#(<= (+ main_offset 39432) main_length), 102353#(<= (+ main_offset 39420) main_length), 102352#(<= (+ main_offset 39424) main_length), 102355#(<= (+ main_offset 39412) main_length), 102354#(<= (+ main_offset 39416) main_length), 102356#(<= (+ main_offset 39408) main_length)] [2018-07-23 13:55:39,073 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:39,073 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:55:39,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:55:39,075 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:55:39,075 INFO L87 Difference]: Start difference. First operand 300 states and 300 transitions. Second operand 151 states. [2018-07-23 13:55:39,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:39,678 INFO L93 Difference]: Finished difference Result 303 states and 303 transitions. [2018-07-23 13:55:39,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:55:39,678 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 299 [2018-07-23 13:55:39,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:39,679 INFO L225 Difference]: With dead ends: 303 [2018-07-23 13:55:39,679 INFO L226 Difference]: Without dead ends: 302 [2018-07-23 13:55:39,680 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:55:39,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-07-23 13:55:39,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2018-07-23 13:55:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-07-23 13:55:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 302 transitions. [2018-07-23 13:55:39,684 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 302 transitions. Word has length 299 [2018-07-23 13:55:39,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:39,684 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 302 transitions. [2018-07-23 13:55:39,684 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:55:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 302 transitions. [2018-07-23 13:55:39,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-07-23 13:55:39,685 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:39,685 INFO L357 BasicCegarLoop]: trace histogram [150, 149, 1, 1] [2018-07-23 13:55:39,685 INFO L414 AbstractCegarLoop]: === Iteration 150 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:39,686 INFO L82 PathProgramCache]: Analyzing trace with hash -204538294, now seen corresponding path program 149 times [2018-07-23 13:55:39,686 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:40,643 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:40,643 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:40,643 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:55:40,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:40,644 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 13:55:40,644 INFO L185 omatonBuilderFactory]: Interpolants [103681#(<= (+ main_offset 39552) main_length), 103680#(<= (+ main_offset 39556) main_length), 103683#(<= (+ main_offset 39544) main_length), 103682#(<= (+ main_offset 39548) main_length), 103685#(<= (+ main_offset 39536) main_length), 103684#(<= (+ main_offset 39540) main_length), 103687#(<= (+ main_offset 39528) main_length), 103686#(<= (+ main_offset 39532) main_length), 103689#(<= (+ main_offset 39520) main_length), 103688#(<= (+ main_offset 39524) main_length), 103691#(<= (+ main_offset 39512) main_length), 103690#(<= (+ main_offset 39516) main_length), 103693#(<= (+ main_offset 39504) main_length), 103692#(<= (+ main_offset 39508) main_length), 103695#(<= (+ main_offset 39496) main_length), 103694#(<= (+ main_offset 39500) main_length), 103697#(<= (+ main_offset 39488) main_length), 103696#(<= (+ main_offset 39492) main_length), 103699#(<= (+ main_offset 39480) main_length), 103698#(<= (+ main_offset 39484) main_length), 103701#(<= (+ main_offset 39472) main_length), 103700#(<= (+ main_offset 39476) main_length), 103703#(<= (+ main_offset 39464) main_length), 103702#(<= (+ main_offset 39468) main_length), 103705#(<= (+ main_offset 39456) main_length), 103704#(<= (+ main_offset 39460) main_length), 103707#(<= (+ main_offset 39448) main_length), 103706#(<= (+ main_offset 39452) main_length), 103709#(<= (+ main_offset 39440) main_length), 103708#(<= (+ main_offset 39444) main_length), 103711#(<= (+ main_offset 39432) main_length), 103710#(<= (+ main_offset 39436) main_length), 103713#(<= (+ main_offset 39424) main_length), 103712#(<= (+ main_offset 39428) main_length), 103715#(<= (+ main_offset 39416) main_length), 103714#(<= (+ main_offset 39420) main_length), 103717#(<= (+ main_offset 39408) main_length), 103716#(<= (+ main_offset 39412) main_length), 103718#(<= (+ main_offset 39404) main_length), 103567#true, 103569#(<= (+ main_offset 40000) main_length), 103568#false, 103571#(<= (+ main_offset 39992) main_length), 103570#(<= (+ main_offset 39996) main_length), 103573#(<= (+ main_offset 39984) main_length), 103572#(<= (+ main_offset 39988) main_length), 103575#(<= (+ main_offset 39976) main_length), 103574#(<= (+ main_offset 39980) main_length), 103577#(<= (+ main_offset 39968) main_length), 103576#(<= (+ main_offset 39972) main_length), 103579#(<= (+ main_offset 39960) main_length), 103578#(<= (+ main_offset 39964) main_length), 103581#(<= (+ main_offset 39952) main_length), 103580#(<= (+ main_offset 39956) main_length), 103583#(<= (+ main_offset 39944) main_length), 103582#(<= (+ main_offset 39948) main_length), 103585#(<= (+ main_offset 39936) main_length), 103584#(<= (+ main_offset 39940) main_length), 103587#(<= (+ main_offset 39928) main_length), 103586#(<= (+ main_offset 39932) main_length), 103589#(<= (+ main_offset 39920) main_length), 103588#(<= (+ main_offset 39924) main_length), 103591#(<= (+ main_offset 39912) main_length), 103590#(<= (+ main_offset 39916) main_length), 103593#(<= (+ main_offset 39904) main_length), 103592#(<= (+ main_offset 39908) main_length), 103595#(<= (+ main_offset 39896) main_length), 103594#(<= (+ main_offset 39900) main_length), 103597#(<= (+ main_offset 39888) main_length), 103596#(<= (+ main_offset 39892) main_length), 103599#(<= (+ main_offset 39880) main_length), 103598#(<= (+ main_offset 39884) main_length), 103601#(<= (+ main_offset 39872) main_length), 103600#(<= (+ main_offset 39876) main_length), 103603#(<= (+ main_offset 39864) main_length), 103602#(<= (+ main_offset 39868) main_length), 103605#(<= (+ main_offset 39856) main_length), 103604#(<= (+ main_offset 39860) main_length), 103607#(<= (+ main_offset 39848) main_length), 103606#(<= (+ main_offset 39852) main_length), 103609#(<= (+ main_offset 39840) main_length), 103608#(<= (+ main_offset 39844) main_length), 103611#(<= (+ main_offset 39832) main_length), 103610#(<= (+ main_offset 39836) main_length), 103613#(<= (+ main_offset 39824) main_length), 103612#(<= (+ main_offset 39828) main_length), 103615#(<= (+ main_offset 39816) main_length), 103614#(<= (+ main_offset 39820) main_length), 103617#(<= (+ main_offset 39808) main_length), 103616#(<= (+ main_offset 39812) main_length), 103619#(<= (+ main_offset 39800) main_length), 103618#(<= (+ main_offset 39804) main_length), 103621#(<= (+ main_offset 39792) main_length), 103620#(<= (+ main_offset 39796) main_length), 103623#(<= (+ main_offset 39784) main_length), 103622#(<= (+ main_offset 39788) main_length), 103625#(<= (+ main_offset 39776) main_length), 103624#(<= (+ main_offset 39780) main_length), 103627#(<= (+ main_offset 39768) main_length), 103626#(<= (+ main_offset 39772) main_length), 103629#(<= (+ main_offset 39760) main_length), 103628#(<= (+ main_offset 39764) main_length), 103631#(<= (+ main_offset 39752) main_length), 103630#(<= (+ main_offset 39756) main_length), 103633#(<= (+ main_offset 39744) main_length), 103632#(<= (+ main_offset 39748) main_length), 103635#(<= (+ main_offset 39736) main_length), 103634#(<= (+ main_offset 39740) main_length), 103637#(<= (+ main_offset 39728) main_length), 103636#(<= (+ main_offset 39732) main_length), 103639#(<= (+ main_offset 39720) main_length), 103638#(<= (+ main_offset 39724) main_length), 103641#(<= (+ main_offset 39712) main_length), 103640#(<= (+ main_offset 39716) main_length), 103643#(<= (+ main_offset 39704) main_length), 103642#(<= (+ main_offset 39708) main_length), 103645#(<= (+ main_offset 39696) main_length), 103644#(<= (+ main_offset 39700) main_length), 103647#(<= (+ main_offset 39688) main_length), 103646#(<= (+ main_offset 39692) main_length), 103649#(<= (+ main_offset 39680) main_length), 103648#(<= (+ main_offset 39684) main_length), 103651#(<= (+ main_offset 39672) main_length), 103650#(<= (+ main_offset 39676) main_length), 103653#(<= (+ main_offset 39664) main_length), 103652#(<= (+ main_offset 39668) main_length), 103655#(<= (+ main_offset 39656) main_length), 103654#(<= (+ main_offset 39660) main_length), 103657#(<= (+ main_offset 39648) main_length), 103656#(<= (+ main_offset 39652) main_length), 103659#(<= (+ main_offset 39640) main_length), 103658#(<= (+ main_offset 39644) main_length), 103661#(<= (+ main_offset 39632) main_length), 103660#(<= (+ main_offset 39636) main_length), 103663#(<= (+ main_offset 39624) main_length), 103662#(<= (+ main_offset 39628) main_length), 103665#(<= (+ main_offset 39616) main_length), 103664#(<= (+ main_offset 39620) main_length), 103667#(<= (+ main_offset 39608) main_length), 103666#(<= (+ main_offset 39612) main_length), 103669#(<= (+ main_offset 39600) main_length), 103668#(<= (+ main_offset 39604) main_length), 103671#(<= (+ main_offset 39592) main_length), 103670#(<= (+ main_offset 39596) main_length), 103673#(<= (+ main_offset 39584) main_length), 103672#(<= (+ main_offset 39588) main_length), 103675#(<= (+ main_offset 39576) main_length), 103674#(<= (+ main_offset 39580) main_length), 103677#(<= (+ main_offset 39568) main_length), 103676#(<= (+ main_offset 39572) main_length), 103679#(<= (+ main_offset 39560) main_length), 103678#(<= (+ main_offset 39564) main_length)] [2018-07-23 13:55:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:40,645 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:55:40,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:55:40,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:55:40,648 INFO L87 Difference]: Start difference. First operand 302 states and 302 transitions. Second operand 152 states. [2018-07-23 13:55:40,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:40,975 INFO L93 Difference]: Finished difference Result 305 states and 305 transitions. [2018-07-23 13:55:40,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:55:40,976 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 301 [2018-07-23 13:55:40,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:40,976 INFO L225 Difference]: With dead ends: 305 [2018-07-23 13:55:40,976 INFO L226 Difference]: Without dead ends: 304 [2018-07-23 13:55:40,978 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:55:40,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2018-07-23 13:55:40,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2018-07-23 13:55:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-07-23 13:55:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 304 transitions. [2018-07-23 13:55:40,982 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 304 transitions. Word has length 301 [2018-07-23 13:55:40,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:40,982 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 304 transitions. [2018-07-23 13:55:40,982 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:55:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 304 transitions. [2018-07-23 13:55:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-07-23 13:55:40,983 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:40,983 INFO L357 BasicCegarLoop]: trace histogram [151, 150, 1, 1] [2018-07-23 13:55:40,983 INFO L414 AbstractCegarLoop]: === Iteration 151 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:40,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1007196172, now seen corresponding path program 150 times [2018-07-23 13:55:40,983 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:41,822 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:41,822 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:55:41,822 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:41,822 INFO L185 omatonBuilderFactory]: Interpolants [104961#(<= (+ main_offset 39912) main_length), 104960#(<= (+ main_offset 39916) main_length), 104963#(<= (+ main_offset 39904) main_length), 104962#(<= (+ main_offset 39908) main_length), 104965#(<= (+ main_offset 39896) main_length), 104964#(<= (+ main_offset 39900) main_length), 104967#(<= (+ main_offset 39888) main_length), 104966#(<= (+ main_offset 39892) main_length), 104969#(<= (+ main_offset 39880) main_length), 104968#(<= (+ main_offset 39884) main_length), 104971#(<= (+ main_offset 39872) main_length), 104970#(<= (+ main_offset 39876) main_length), 104973#(<= (+ main_offset 39864) main_length), 104972#(<= (+ main_offset 39868) main_length), 104975#(<= (+ main_offset 39856) main_length), 104974#(<= (+ main_offset 39860) main_length), 104977#(<= (+ main_offset 39848) main_length), 104976#(<= (+ main_offset 39852) main_length), 104979#(<= (+ main_offset 39840) main_length), 104978#(<= (+ main_offset 39844) main_length), 104981#(<= (+ main_offset 39832) main_length), 104980#(<= (+ main_offset 39836) main_length), 104983#(<= (+ main_offset 39824) main_length), 104982#(<= (+ main_offset 39828) main_length), 104985#(<= (+ main_offset 39816) main_length), 104984#(<= (+ main_offset 39820) main_length), 104987#(<= (+ main_offset 39808) main_length), 104986#(<= (+ main_offset 39812) main_length), 104989#(<= (+ main_offset 39800) main_length), 104988#(<= (+ main_offset 39804) main_length), 104991#(<= (+ main_offset 39792) main_length), 104990#(<= (+ main_offset 39796) main_length), 104993#(<= (+ main_offset 39784) main_length), 104992#(<= (+ main_offset 39788) main_length), 104995#(<= (+ main_offset 39776) main_length), 104994#(<= (+ main_offset 39780) main_length), 104997#(<= (+ main_offset 39768) main_length), 104996#(<= (+ main_offset 39772) main_length), 104999#(<= (+ main_offset 39760) main_length), 104998#(<= (+ main_offset 39764) main_length), 105001#(<= (+ main_offset 39752) main_length), 105000#(<= (+ main_offset 39756) main_length), 105003#(<= (+ main_offset 39744) main_length), 105002#(<= (+ main_offset 39748) main_length), 105005#(<= (+ main_offset 39736) main_length), 105004#(<= (+ main_offset 39740) main_length), 105007#(<= (+ main_offset 39728) main_length), 105006#(<= (+ main_offset 39732) main_length), 105009#(<= (+ main_offset 39720) main_length), 105008#(<= (+ main_offset 39724) main_length), 105011#(<= (+ main_offset 39712) main_length), 105010#(<= (+ main_offset 39716) main_length), 105013#(<= (+ main_offset 39704) main_length), 105012#(<= (+ main_offset 39708) main_length), 105015#(<= (+ main_offset 39696) main_length), 105014#(<= (+ main_offset 39700) main_length), 105017#(<= (+ main_offset 39688) main_length), 105016#(<= (+ main_offset 39692) main_length), 105019#(<= (+ main_offset 39680) main_length), 105018#(<= (+ main_offset 39684) main_length), 105021#(<= (+ main_offset 39672) main_length), 105020#(<= (+ main_offset 39676) main_length), 105023#(<= (+ main_offset 39664) main_length), 105022#(<= (+ main_offset 39668) main_length), 105025#(<= (+ main_offset 39656) main_length), 105024#(<= (+ main_offset 39660) main_length), 105027#(<= (+ main_offset 39648) main_length), 105026#(<= (+ main_offset 39652) main_length), 105029#(<= (+ main_offset 39640) main_length), 105028#(<= (+ main_offset 39644) main_length), 105031#(<= (+ main_offset 39632) main_length), 105030#(<= (+ main_offset 39636) main_length), 105033#(<= (+ main_offset 39624) main_length), 105032#(<= (+ main_offset 39628) main_length), 105035#(<= (+ main_offset 39616) main_length), 105034#(<= (+ main_offset 39620) main_length), 105037#(<= (+ main_offset 39608) main_length), 105036#(<= (+ main_offset 39612) main_length), 105039#(<= (+ main_offset 39600) main_length), 105038#(<= (+ main_offset 39604) main_length), 105041#(<= (+ main_offset 39592) main_length), 105040#(<= (+ main_offset 39596) main_length), 105043#(<= (+ main_offset 39584) main_length), 105042#(<= (+ main_offset 39588) main_length), 105045#(<= (+ main_offset 39576) main_length), 105044#(<= (+ main_offset 39580) main_length), 105047#(<= (+ main_offset 39568) main_length), 105046#(<= (+ main_offset 39572) main_length), 105049#(<= (+ main_offset 39560) main_length), 105048#(<= (+ main_offset 39564) main_length), 105051#(<= (+ main_offset 39552) main_length), 105050#(<= (+ main_offset 39556) main_length), 105053#(<= (+ main_offset 39544) main_length), 105052#(<= (+ main_offset 39548) main_length), 105055#(<= (+ main_offset 39536) main_length), 105054#(<= (+ main_offset 39540) main_length), 105057#(<= (+ main_offset 39528) main_length), 105056#(<= (+ main_offset 39532) main_length), 105059#(<= (+ main_offset 39520) main_length), 105058#(<= (+ main_offset 39524) main_length), 105061#(<= (+ main_offset 39512) main_length), 105060#(<= (+ main_offset 39516) main_length), 105063#(<= (+ main_offset 39504) main_length), 105062#(<= (+ main_offset 39508) main_length), 105065#(<= (+ main_offset 39496) main_length), 105064#(<= (+ main_offset 39500) main_length), 105067#(<= (+ main_offset 39488) main_length), 105066#(<= (+ main_offset 39492) main_length), 105069#(<= (+ main_offset 39480) main_length), 105068#(<= (+ main_offset 39484) main_length), 105071#(<= (+ main_offset 39472) main_length), 105070#(<= (+ main_offset 39476) main_length), 105073#(<= (+ main_offset 39464) main_length), 105072#(<= (+ main_offset 39468) main_length), 105075#(<= (+ main_offset 39456) main_length), 105074#(<= (+ main_offset 39460) main_length), 105077#(<= (+ main_offset 39448) main_length), 105076#(<= (+ main_offset 39452) main_length), 105079#(<= (+ main_offset 39440) main_length), 105078#(<= (+ main_offset 39444) main_length), 105081#(<= (+ main_offset 39432) main_length), 105080#(<= (+ main_offset 39436) main_length), 105083#(<= (+ main_offset 39424) main_length), 105082#(<= (+ main_offset 39428) main_length), 105085#(<= (+ main_offset 39416) main_length), 105084#(<= (+ main_offset 39420) main_length), 105087#(<= (+ main_offset 39408) main_length), 105086#(<= (+ main_offset 39412) main_length), 105089#(<= (+ main_offset 39400) main_length), 105088#(<= (+ main_offset 39404) main_length), 104937#true, 104939#(<= (+ main_offset 40000) main_length), 104938#false, 104941#(<= (+ main_offset 39992) main_length), 104940#(<= (+ main_offset 39996) main_length), 104943#(<= (+ main_offset 39984) main_length), 104942#(<= (+ main_offset 39988) main_length), 104945#(<= (+ main_offset 39976) main_length), 104944#(<= (+ main_offset 39980) main_length), 104947#(<= (+ main_offset 39968) main_length), 104946#(<= (+ main_offset 39972) main_length), 104949#(<= (+ main_offset 39960) main_length), 104948#(<= (+ main_offset 39964) main_length), 104951#(<= (+ main_offset 39952) main_length), 104950#(<= (+ main_offset 39956) main_length), 104953#(<= (+ main_offset 39944) main_length), 104952#(<= (+ main_offset 39948) main_length), 104955#(<= (+ main_offset 39936) main_length), 104954#(<= (+ main_offset 39940) main_length), 104957#(<= (+ main_offset 39928) main_length), 104956#(<= (+ main_offset 39932) main_length), 104959#(<= (+ main_offset 39920) main_length), 104958#(<= (+ main_offset 39924) main_length)] [2018-07-23 13:55:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:41,823 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:55:41,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:55:41,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:55:41,826 INFO L87 Difference]: Start difference. First operand 304 states and 304 transitions. Second operand 153 states. [2018-07-23 13:55:42,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:42,455 INFO L93 Difference]: Finished difference Result 307 states and 307 transitions. [2018-07-23 13:55:42,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:55:42,455 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 303 [2018-07-23 13:55:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:42,455 INFO L225 Difference]: With dead ends: 307 [2018-07-23 13:55:42,456 INFO L226 Difference]: Without dead ends: 306 [2018-07-23 13:55:42,457 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:55:42,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-07-23 13:55:42,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2018-07-23 13:55:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-07-23 13:55:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 306 transitions. [2018-07-23 13:55:42,461 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 306 transitions. Word has length 303 [2018-07-23 13:55:42,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:42,461 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 306 transitions. [2018-07-23 13:55:42,461 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:55:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 306 transitions. [2018-07-23 13:55:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-07-23 13:55:42,462 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:42,462 INFO L357 BasicCegarLoop]: trace histogram [152, 151, 1, 1] [2018-07-23 13:55:42,462 INFO L414 AbstractCegarLoop]: === Iteration 152 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:42,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1547880782, now seen corresponding path program 151 times [2018-07-23 13:55:42,463 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:43,431 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:43,431 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:55:43,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:43,432 INFO L185 omatonBuilderFactory]: Interpolants [106317#false, 106316#true, 106319#(<= (+ main_offset 39996) main_length), 106318#(<= (+ main_offset 40000) main_length), 106321#(<= (+ main_offset 39988) main_length), 106320#(<= (+ main_offset 39992) main_length), 106323#(<= (+ main_offset 39980) main_length), 106322#(<= (+ main_offset 39984) main_length), 106325#(<= (+ main_offset 39972) main_length), 106324#(<= (+ main_offset 39976) main_length), 106327#(<= (+ main_offset 39964) main_length), 106326#(<= (+ main_offset 39968) main_length), 106329#(<= (+ main_offset 39956) main_length), 106328#(<= (+ main_offset 39960) main_length), 106331#(<= (+ main_offset 39948) main_length), 106330#(<= (+ main_offset 39952) main_length), 106333#(<= (+ main_offset 39940) main_length), 106332#(<= (+ main_offset 39944) main_length), 106335#(<= (+ main_offset 39932) main_length), 106334#(<= (+ main_offset 39936) main_length), 106337#(<= (+ main_offset 39924) main_length), 106336#(<= (+ main_offset 39928) main_length), 106339#(<= (+ main_offset 39916) main_length), 106338#(<= (+ main_offset 39920) main_length), 106341#(<= (+ main_offset 39908) main_length), 106340#(<= (+ main_offset 39912) main_length), 106343#(<= (+ main_offset 39900) main_length), 106342#(<= (+ main_offset 39904) main_length), 106345#(<= (+ main_offset 39892) main_length), 106344#(<= (+ main_offset 39896) main_length), 106347#(<= (+ main_offset 39884) main_length), 106346#(<= (+ main_offset 39888) main_length), 106349#(<= (+ main_offset 39876) main_length), 106348#(<= (+ main_offset 39880) main_length), 106351#(<= (+ main_offset 39868) main_length), 106350#(<= (+ main_offset 39872) main_length), 106353#(<= (+ main_offset 39860) main_length), 106352#(<= (+ main_offset 39864) main_length), 106355#(<= (+ main_offset 39852) main_length), 106354#(<= (+ main_offset 39856) main_length), 106357#(<= (+ main_offset 39844) main_length), 106356#(<= (+ main_offset 39848) main_length), 106359#(<= (+ main_offset 39836) main_length), 106358#(<= (+ main_offset 39840) main_length), 106361#(<= (+ main_offset 39828) main_length), 106360#(<= (+ main_offset 39832) main_length), 106363#(<= (+ main_offset 39820) main_length), 106362#(<= (+ main_offset 39824) main_length), 106365#(<= (+ main_offset 39812) main_length), 106364#(<= (+ main_offset 39816) main_length), 106367#(<= (+ main_offset 39804) main_length), 106366#(<= (+ main_offset 39808) main_length), 106369#(<= (+ main_offset 39796) main_length), 106368#(<= (+ main_offset 39800) main_length), 106371#(<= (+ main_offset 39788) main_length), 106370#(<= (+ main_offset 39792) main_length), 106373#(<= (+ main_offset 39780) main_length), 106372#(<= (+ main_offset 39784) main_length), 106375#(<= (+ main_offset 39772) main_length), 106374#(<= (+ main_offset 39776) main_length), 106377#(<= (+ main_offset 39764) main_length), 106376#(<= (+ main_offset 39768) main_length), 106379#(<= (+ main_offset 39756) main_length), 106378#(<= (+ main_offset 39760) main_length), 106381#(<= (+ main_offset 39748) main_length), 106380#(<= (+ main_offset 39752) main_length), 106383#(<= (+ main_offset 39740) main_length), 106382#(<= (+ main_offset 39744) main_length), 106385#(<= (+ main_offset 39732) main_length), 106384#(<= (+ main_offset 39736) main_length), 106387#(<= (+ main_offset 39724) main_length), 106386#(<= (+ main_offset 39728) main_length), 106389#(<= (+ main_offset 39716) main_length), 106388#(<= (+ main_offset 39720) main_length), 106391#(<= (+ main_offset 39708) main_length), 106390#(<= (+ main_offset 39712) main_length), 106393#(<= (+ main_offset 39700) main_length), 106392#(<= (+ main_offset 39704) main_length), 106395#(<= (+ main_offset 39692) main_length), 106394#(<= (+ main_offset 39696) main_length), 106397#(<= (+ main_offset 39684) main_length), 106396#(<= (+ main_offset 39688) main_length), 106399#(<= (+ main_offset 39676) main_length), 106398#(<= (+ main_offset 39680) main_length), 106401#(<= (+ main_offset 39668) main_length), 106400#(<= (+ main_offset 39672) main_length), 106403#(<= (+ main_offset 39660) main_length), 106402#(<= (+ main_offset 39664) main_length), 106405#(<= (+ main_offset 39652) main_length), 106404#(<= (+ main_offset 39656) main_length), 106407#(<= (+ main_offset 39644) main_length), 106406#(<= (+ main_offset 39648) main_length), 106409#(<= (+ main_offset 39636) main_length), 106408#(<= (+ main_offset 39640) main_length), 106411#(<= (+ main_offset 39628) main_length), 106410#(<= (+ main_offset 39632) main_length), 106413#(<= (+ main_offset 39620) main_length), 106412#(<= (+ main_offset 39624) main_length), 106415#(<= (+ main_offset 39612) main_length), 106414#(<= (+ main_offset 39616) main_length), 106417#(<= (+ main_offset 39604) main_length), 106416#(<= (+ main_offset 39608) main_length), 106419#(<= (+ main_offset 39596) main_length), 106418#(<= (+ main_offset 39600) main_length), 106421#(<= (+ main_offset 39588) main_length), 106420#(<= (+ main_offset 39592) main_length), 106423#(<= (+ main_offset 39580) main_length), 106422#(<= (+ main_offset 39584) main_length), 106425#(<= (+ main_offset 39572) main_length), 106424#(<= (+ main_offset 39576) main_length), 106427#(<= (+ main_offset 39564) main_length), 106426#(<= (+ main_offset 39568) main_length), 106429#(<= (+ main_offset 39556) main_length), 106428#(<= (+ main_offset 39560) main_length), 106431#(<= (+ main_offset 39548) main_length), 106430#(<= (+ main_offset 39552) main_length), 106433#(<= (+ main_offset 39540) main_length), 106432#(<= (+ main_offset 39544) main_length), 106435#(<= (+ main_offset 39532) main_length), 106434#(<= (+ main_offset 39536) main_length), 106437#(<= (+ main_offset 39524) main_length), 106436#(<= (+ main_offset 39528) main_length), 106439#(<= (+ main_offset 39516) main_length), 106438#(<= (+ main_offset 39520) main_length), 106441#(<= (+ main_offset 39508) main_length), 106440#(<= (+ main_offset 39512) main_length), 106443#(<= (+ main_offset 39500) main_length), 106442#(<= (+ main_offset 39504) main_length), 106445#(<= (+ main_offset 39492) main_length), 106444#(<= (+ main_offset 39496) main_length), 106447#(<= (+ main_offset 39484) main_length), 106446#(<= (+ main_offset 39488) main_length), 106449#(<= (+ main_offset 39476) main_length), 106448#(<= (+ main_offset 39480) main_length), 106451#(<= (+ main_offset 39468) main_length), 106450#(<= (+ main_offset 39472) main_length), 106453#(<= (+ main_offset 39460) main_length), 106452#(<= (+ main_offset 39464) main_length), 106455#(<= (+ main_offset 39452) main_length), 106454#(<= (+ main_offset 39456) main_length), 106457#(<= (+ main_offset 39444) main_length), 106456#(<= (+ main_offset 39448) main_length), 106459#(<= (+ main_offset 39436) main_length), 106458#(<= (+ main_offset 39440) main_length), 106461#(<= (+ main_offset 39428) main_length), 106460#(<= (+ main_offset 39432) main_length), 106463#(<= (+ main_offset 39420) main_length), 106462#(<= (+ main_offset 39424) main_length), 106465#(<= (+ main_offset 39412) main_length), 106464#(<= (+ main_offset 39416) main_length), 106467#(<= (+ main_offset 39404) main_length), 106466#(<= (+ main_offset 39408) main_length), 106469#(<= (+ main_offset 39396) main_length), 106468#(<= (+ main_offset 39400) main_length)] [2018-07-23 13:55:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:43,433 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:55:43,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:55:43,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:55:43,436 INFO L87 Difference]: Start difference. First operand 306 states and 306 transitions. Second operand 154 states. [2018-07-23 13:55:44,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:44,141 INFO L93 Difference]: Finished difference Result 309 states and 309 transitions. [2018-07-23 13:55:44,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:55:44,142 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 305 [2018-07-23 13:55:44,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:44,143 INFO L225 Difference]: With dead ends: 309 [2018-07-23 13:55:44,143 INFO L226 Difference]: Without dead ends: 308 [2018-07-23 13:55:44,145 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:55:44,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-07-23 13:55:44,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2018-07-23 13:55:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-07-23 13:55:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 308 transitions. [2018-07-23 13:55:44,151 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 308 transitions. Word has length 305 [2018-07-23 13:55:44,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:44,151 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 308 transitions. [2018-07-23 13:55:44,151 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:55:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 308 transitions. [2018-07-23 13:55:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-07-23 13:55:44,153 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:44,153 INFO L357 BasicCegarLoop]: trace histogram [153, 152, 1, 1] [2018-07-23 13:55:44,153 INFO L414 AbstractCegarLoop]: === Iteration 153 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:44,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1454748176, now seen corresponding path program 152 times [2018-07-23 13:55:44,153 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:45,305 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:45,305 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:55:45,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:45,305 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 13:55:45,305 INFO L185 omatonBuilderFactory]: Interpolants [107777#(<= (+ main_offset 39716) main_length), 107776#(<= (+ main_offset 39720) main_length), 107779#(<= (+ main_offset 39708) main_length), 107778#(<= (+ main_offset 39712) main_length), 107781#(<= (+ main_offset 39700) main_length), 107780#(<= (+ main_offset 39704) main_length), 107783#(<= (+ main_offset 39692) main_length), 107782#(<= (+ main_offset 39696) main_length), 107785#(<= (+ main_offset 39684) main_length), 107784#(<= (+ main_offset 39688) main_length), 107787#(<= (+ main_offset 39676) main_length), 107786#(<= (+ main_offset 39680) main_length), 107789#(<= (+ main_offset 39668) main_length), 107788#(<= (+ main_offset 39672) main_length), 107791#(<= (+ main_offset 39660) main_length), 107790#(<= (+ main_offset 39664) main_length), 107793#(<= (+ main_offset 39652) main_length), 107792#(<= (+ main_offset 39656) main_length), 107795#(<= (+ main_offset 39644) main_length), 107794#(<= (+ main_offset 39648) main_length), 107797#(<= (+ main_offset 39636) main_length), 107796#(<= (+ main_offset 39640) main_length), 107799#(<= (+ main_offset 39628) main_length), 107798#(<= (+ main_offset 39632) main_length), 107801#(<= (+ main_offset 39620) main_length), 107800#(<= (+ main_offset 39624) main_length), 107803#(<= (+ main_offset 39612) main_length), 107802#(<= (+ main_offset 39616) main_length), 107805#(<= (+ main_offset 39604) main_length), 107804#(<= (+ main_offset 39608) main_length), 107807#(<= (+ main_offset 39596) main_length), 107806#(<= (+ main_offset 39600) main_length), 107809#(<= (+ main_offset 39588) main_length), 107808#(<= (+ main_offset 39592) main_length), 107811#(<= (+ main_offset 39580) main_length), 107810#(<= (+ main_offset 39584) main_length), 107813#(<= (+ main_offset 39572) main_length), 107812#(<= (+ main_offset 39576) main_length), 107815#(<= (+ main_offset 39564) main_length), 107814#(<= (+ main_offset 39568) main_length), 107817#(<= (+ main_offset 39556) main_length), 107816#(<= (+ main_offset 39560) main_length), 107819#(<= (+ main_offset 39548) main_length), 107818#(<= (+ main_offset 39552) main_length), 107821#(<= (+ main_offset 39540) main_length), 107820#(<= (+ main_offset 39544) main_length), 107823#(<= (+ main_offset 39532) main_length), 107822#(<= (+ main_offset 39536) main_length), 107825#(<= (+ main_offset 39524) main_length), 107824#(<= (+ main_offset 39528) main_length), 107827#(<= (+ main_offset 39516) main_length), 107826#(<= (+ main_offset 39520) main_length), 107829#(<= (+ main_offset 39508) main_length), 107828#(<= (+ main_offset 39512) main_length), 107831#(<= (+ main_offset 39500) main_length), 107830#(<= (+ main_offset 39504) main_length), 107833#(<= (+ main_offset 39492) main_length), 107832#(<= (+ main_offset 39496) main_length), 107835#(<= (+ main_offset 39484) main_length), 107834#(<= (+ main_offset 39488) main_length), 107837#(<= (+ main_offset 39476) main_length), 107836#(<= (+ main_offset 39480) main_length), 107839#(<= (+ main_offset 39468) main_length), 107838#(<= (+ main_offset 39472) main_length), 107841#(<= (+ main_offset 39460) main_length), 107840#(<= (+ main_offset 39464) main_length), 107843#(<= (+ main_offset 39452) main_length), 107842#(<= (+ main_offset 39456) main_length), 107845#(<= (+ main_offset 39444) main_length), 107844#(<= (+ main_offset 39448) main_length), 107847#(<= (+ main_offset 39436) main_length), 107846#(<= (+ main_offset 39440) main_length), 107849#(<= (+ main_offset 39428) main_length), 107848#(<= (+ main_offset 39432) main_length), 107851#(<= (+ main_offset 39420) main_length), 107850#(<= (+ main_offset 39424) main_length), 107853#(<= (+ main_offset 39412) main_length), 107852#(<= (+ main_offset 39416) main_length), 107855#(<= (+ main_offset 39404) main_length), 107854#(<= (+ main_offset 39408) main_length), 107857#(<= (+ main_offset 39396) main_length), 107856#(<= (+ main_offset 39400) main_length), 107858#(<= (+ main_offset 39392) main_length), 107705#false, 107704#true, 107707#(<= (+ main_offset 39996) main_length), 107706#(<= (+ main_offset 40000) main_length), 107709#(<= (+ main_offset 39988) main_length), 107708#(<= (+ main_offset 39992) main_length), 107711#(<= (+ main_offset 39980) main_length), 107710#(<= (+ main_offset 39984) main_length), 107713#(<= (+ main_offset 39972) main_length), 107712#(<= (+ main_offset 39976) main_length), 107715#(<= (+ main_offset 39964) main_length), 107714#(<= (+ main_offset 39968) main_length), 107717#(<= (+ main_offset 39956) main_length), 107716#(<= (+ main_offset 39960) main_length), 107719#(<= (+ main_offset 39948) main_length), 107718#(<= (+ main_offset 39952) main_length), 107721#(<= (+ main_offset 39940) main_length), 107720#(<= (+ main_offset 39944) main_length), 107723#(<= (+ main_offset 39932) main_length), 107722#(<= (+ main_offset 39936) main_length), 107725#(<= (+ main_offset 39924) main_length), 107724#(<= (+ main_offset 39928) main_length), 107727#(<= (+ main_offset 39916) main_length), 107726#(<= (+ main_offset 39920) main_length), 107729#(<= (+ main_offset 39908) main_length), 107728#(<= (+ main_offset 39912) main_length), 107731#(<= (+ main_offset 39900) main_length), 107730#(<= (+ main_offset 39904) main_length), 107733#(<= (+ main_offset 39892) main_length), 107732#(<= (+ main_offset 39896) main_length), 107735#(<= (+ main_offset 39884) main_length), 107734#(<= (+ main_offset 39888) main_length), 107737#(<= (+ main_offset 39876) main_length), 107736#(<= (+ main_offset 39880) main_length), 107739#(<= (+ main_offset 39868) main_length), 107738#(<= (+ main_offset 39872) main_length), 107741#(<= (+ main_offset 39860) main_length), 107740#(<= (+ main_offset 39864) main_length), 107743#(<= (+ main_offset 39852) main_length), 107742#(<= (+ main_offset 39856) main_length), 107745#(<= (+ main_offset 39844) main_length), 107744#(<= (+ main_offset 39848) main_length), 107747#(<= (+ main_offset 39836) main_length), 107746#(<= (+ main_offset 39840) main_length), 107749#(<= (+ main_offset 39828) main_length), 107748#(<= (+ main_offset 39832) main_length), 107751#(<= (+ main_offset 39820) main_length), 107750#(<= (+ main_offset 39824) main_length), 107753#(<= (+ main_offset 39812) main_length), 107752#(<= (+ main_offset 39816) main_length), 107755#(<= (+ main_offset 39804) main_length), 107754#(<= (+ main_offset 39808) main_length), 107757#(<= (+ main_offset 39796) main_length), 107756#(<= (+ main_offset 39800) main_length), 107759#(<= (+ main_offset 39788) main_length), 107758#(<= (+ main_offset 39792) main_length), 107761#(<= (+ main_offset 39780) main_length), 107760#(<= (+ main_offset 39784) main_length), 107763#(<= (+ main_offset 39772) main_length), 107762#(<= (+ main_offset 39776) main_length), 107765#(<= (+ main_offset 39764) main_length), 107764#(<= (+ main_offset 39768) main_length), 107767#(<= (+ main_offset 39756) main_length), 107766#(<= (+ main_offset 39760) main_length), 107769#(<= (+ main_offset 39748) main_length), 107768#(<= (+ main_offset 39752) main_length), 107771#(<= (+ main_offset 39740) main_length), 107770#(<= (+ main_offset 39744) main_length), 107773#(<= (+ main_offset 39732) main_length), 107772#(<= (+ main_offset 39736) main_length), 107775#(<= (+ main_offset 39724) main_length), 107774#(<= (+ main_offset 39728) main_length)] [2018-07-23 13:55:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:45,307 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:55:45,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:55:45,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:55:45,310 INFO L87 Difference]: Start difference. First operand 308 states and 308 transitions. Second operand 155 states. [2018-07-23 13:55:45,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:45,598 INFO L93 Difference]: Finished difference Result 311 states and 311 transitions. [2018-07-23 13:55:45,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:55:45,598 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 307 [2018-07-23 13:55:45,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:45,599 INFO L225 Difference]: With dead ends: 311 [2018-07-23 13:55:45,599 INFO L226 Difference]: Without dead ends: 310 [2018-07-23 13:55:45,600 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:55:45,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2018-07-23 13:55:45,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2018-07-23 13:55:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-07-23 13:55:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 310 transitions. [2018-07-23 13:55:45,604 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 310 transitions. Word has length 307 [2018-07-23 13:55:45,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:45,604 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 310 transitions. [2018-07-23 13:55:45,604 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:55:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 310 transitions. [2018-07-23 13:55:45,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-07-23 13:55:45,605 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:45,605 INFO L357 BasicCegarLoop]: trace histogram [154, 153, 1, 1] [2018-07-23 13:55:45,605 INFO L414 AbstractCegarLoop]: === Iteration 154 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:45,605 INFO L82 PathProgramCache]: Analyzing trace with hash -2146340270, now seen corresponding path program 153 times [2018-07-23 13:55:45,605 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:46,497 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:46,497 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:55:46,498 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:46,498 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 13:55:46,498 INFO L185 omatonBuilderFactory]: Interpolants [109101#true, 109103#(<= (+ main_offset 40000) main_length), 109102#false, 109105#(<= (+ main_offset 39992) main_length), 109104#(<= (+ main_offset 39996) main_length), 109107#(<= (+ main_offset 39984) main_length), 109106#(<= (+ main_offset 39988) main_length), 109109#(<= (+ main_offset 39976) main_length), 109108#(<= (+ main_offset 39980) main_length), 109111#(<= (+ main_offset 39968) main_length), 109110#(<= (+ main_offset 39972) main_length), 109113#(<= (+ main_offset 39960) main_length), 109112#(<= (+ main_offset 39964) main_length), 109115#(<= (+ main_offset 39952) main_length), 109114#(<= (+ main_offset 39956) main_length), 109117#(<= (+ main_offset 39944) main_length), 109116#(<= (+ main_offset 39948) main_length), 109119#(<= (+ main_offset 39936) main_length), 109118#(<= (+ main_offset 39940) main_length), 109121#(<= (+ main_offset 39928) main_length), 109120#(<= (+ main_offset 39932) main_length), 109123#(<= (+ main_offset 39920) main_length), 109122#(<= (+ main_offset 39924) main_length), 109125#(<= (+ main_offset 39912) main_length), 109124#(<= (+ main_offset 39916) main_length), 109127#(<= (+ main_offset 39904) main_length), 109126#(<= (+ main_offset 39908) main_length), 109129#(<= (+ main_offset 39896) main_length), 109128#(<= (+ main_offset 39900) main_length), 109131#(<= (+ main_offset 39888) main_length), 109130#(<= (+ main_offset 39892) main_length), 109133#(<= (+ main_offset 39880) main_length), 109132#(<= (+ main_offset 39884) main_length), 109135#(<= (+ main_offset 39872) main_length), 109134#(<= (+ main_offset 39876) main_length), 109137#(<= (+ main_offset 39864) main_length), 109136#(<= (+ main_offset 39868) main_length), 109139#(<= (+ main_offset 39856) main_length), 109138#(<= (+ main_offset 39860) main_length), 109141#(<= (+ main_offset 39848) main_length), 109140#(<= (+ main_offset 39852) main_length), 109143#(<= (+ main_offset 39840) main_length), 109142#(<= (+ main_offset 39844) main_length), 109145#(<= (+ main_offset 39832) main_length), 109144#(<= (+ main_offset 39836) main_length), 109147#(<= (+ main_offset 39824) main_length), 109146#(<= (+ main_offset 39828) main_length), 109149#(<= (+ main_offset 39816) main_length), 109148#(<= (+ main_offset 39820) main_length), 109151#(<= (+ main_offset 39808) main_length), 109150#(<= (+ main_offset 39812) main_length), 109153#(<= (+ main_offset 39800) main_length), 109152#(<= (+ main_offset 39804) main_length), 109155#(<= (+ main_offset 39792) main_length), 109154#(<= (+ main_offset 39796) main_length), 109157#(<= (+ main_offset 39784) main_length), 109156#(<= (+ main_offset 39788) main_length), 109159#(<= (+ main_offset 39776) main_length), 109158#(<= (+ main_offset 39780) main_length), 109161#(<= (+ main_offset 39768) main_length), 109160#(<= (+ main_offset 39772) main_length), 109163#(<= (+ main_offset 39760) main_length), 109162#(<= (+ main_offset 39764) main_length), 109165#(<= (+ main_offset 39752) main_length), 109164#(<= (+ main_offset 39756) main_length), 109167#(<= (+ main_offset 39744) main_length), 109166#(<= (+ main_offset 39748) main_length), 109169#(<= (+ main_offset 39736) main_length), 109168#(<= (+ main_offset 39740) main_length), 109171#(<= (+ main_offset 39728) main_length), 109170#(<= (+ main_offset 39732) main_length), 109173#(<= (+ main_offset 39720) main_length), 109172#(<= (+ main_offset 39724) main_length), 109175#(<= (+ main_offset 39712) main_length), 109174#(<= (+ main_offset 39716) main_length), 109177#(<= (+ main_offset 39704) main_length), 109176#(<= (+ main_offset 39708) main_length), 109179#(<= (+ main_offset 39696) main_length), 109178#(<= (+ main_offset 39700) main_length), 109181#(<= (+ main_offset 39688) main_length), 109180#(<= (+ main_offset 39692) main_length), 109183#(<= (+ main_offset 39680) main_length), 109182#(<= (+ main_offset 39684) main_length), 109185#(<= (+ main_offset 39672) main_length), 109184#(<= (+ main_offset 39676) main_length), 109187#(<= (+ main_offset 39664) main_length), 109186#(<= (+ main_offset 39668) main_length), 109189#(<= (+ main_offset 39656) main_length), 109188#(<= (+ main_offset 39660) main_length), 109191#(<= (+ main_offset 39648) main_length), 109190#(<= (+ main_offset 39652) main_length), 109193#(<= (+ main_offset 39640) main_length), 109192#(<= (+ main_offset 39644) main_length), 109195#(<= (+ main_offset 39632) main_length), 109194#(<= (+ main_offset 39636) main_length), 109197#(<= (+ main_offset 39624) main_length), 109196#(<= (+ main_offset 39628) main_length), 109199#(<= (+ main_offset 39616) main_length), 109198#(<= (+ main_offset 39620) main_length), 109201#(<= (+ main_offset 39608) main_length), 109200#(<= (+ main_offset 39612) main_length), 109203#(<= (+ main_offset 39600) main_length), 109202#(<= (+ main_offset 39604) main_length), 109205#(<= (+ main_offset 39592) main_length), 109204#(<= (+ main_offset 39596) main_length), 109207#(<= (+ main_offset 39584) main_length), 109206#(<= (+ main_offset 39588) main_length), 109209#(<= (+ main_offset 39576) main_length), 109208#(<= (+ main_offset 39580) main_length), 109211#(<= (+ main_offset 39568) main_length), 109210#(<= (+ main_offset 39572) main_length), 109213#(<= (+ main_offset 39560) main_length), 109212#(<= (+ main_offset 39564) main_length), 109215#(<= (+ main_offset 39552) main_length), 109214#(<= (+ main_offset 39556) main_length), 109217#(<= (+ main_offset 39544) main_length), 109216#(<= (+ main_offset 39548) main_length), 109219#(<= (+ main_offset 39536) main_length), 109218#(<= (+ main_offset 39540) main_length), 109221#(<= (+ main_offset 39528) main_length), 109220#(<= (+ main_offset 39532) main_length), 109223#(<= (+ main_offset 39520) main_length), 109222#(<= (+ main_offset 39524) main_length), 109225#(<= (+ main_offset 39512) main_length), 109224#(<= (+ main_offset 39516) main_length), 109227#(<= (+ main_offset 39504) main_length), 109226#(<= (+ main_offset 39508) main_length), 109229#(<= (+ main_offset 39496) main_length), 109228#(<= (+ main_offset 39500) main_length), 109231#(<= (+ main_offset 39488) main_length), 109230#(<= (+ main_offset 39492) main_length), 109233#(<= (+ main_offset 39480) main_length), 109232#(<= (+ main_offset 39484) main_length), 109235#(<= (+ main_offset 39472) main_length), 109234#(<= (+ main_offset 39476) main_length), 109237#(<= (+ main_offset 39464) main_length), 109236#(<= (+ main_offset 39468) main_length), 109239#(<= (+ main_offset 39456) main_length), 109238#(<= (+ main_offset 39460) main_length), 109241#(<= (+ main_offset 39448) main_length), 109240#(<= (+ main_offset 39452) main_length), 109243#(<= (+ main_offset 39440) main_length), 109242#(<= (+ main_offset 39444) main_length), 109245#(<= (+ main_offset 39432) main_length), 109244#(<= (+ main_offset 39436) main_length), 109247#(<= (+ main_offset 39424) main_length), 109246#(<= (+ main_offset 39428) main_length), 109249#(<= (+ main_offset 39416) main_length), 109248#(<= (+ main_offset 39420) main_length), 109251#(<= (+ main_offset 39408) main_length), 109250#(<= (+ main_offset 39412) main_length), 109253#(<= (+ main_offset 39400) main_length), 109252#(<= (+ main_offset 39404) main_length), 109255#(<= (+ main_offset 39392) main_length), 109254#(<= (+ main_offset 39396) main_length), 109256#(<= (+ main_offset 39388) main_length)] [2018-07-23 13:55:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:46,499 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:55:46,501 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:55:46,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:55:46,502 INFO L87 Difference]: Start difference. First operand 310 states and 310 transitions. Second operand 156 states. [2018-07-23 13:55:47,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:47,230 INFO L93 Difference]: Finished difference Result 313 states and 313 transitions. [2018-07-23 13:55:47,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:55:47,231 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 309 [2018-07-23 13:55:47,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:47,231 INFO L225 Difference]: With dead ends: 313 [2018-07-23 13:55:47,231 INFO L226 Difference]: Without dead ends: 312 [2018-07-23 13:55:47,233 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:55:47,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-07-23 13:55:47,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2018-07-23 13:55:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-07-23 13:55:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 312 transitions. [2018-07-23 13:55:47,238 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 312 transitions. Word has length 309 [2018-07-23 13:55:47,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:47,238 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 312 transitions. [2018-07-23 13:55:47,238 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:55:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 312 transitions. [2018-07-23 13:55:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-07-23 13:55:47,239 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:47,239 INFO L357 BasicCegarLoop]: trace histogram [155, 154, 1, 1] [2018-07-23 13:55:47,239 INFO L414 AbstractCegarLoop]: === Iteration 155 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:47,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1048696300, now seen corresponding path program 154 times [2018-07-23 13:55:47,239 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:48,131 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:48,132 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:55:48,132 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:48,132 INFO L185 omatonBuilderFactory]: Interpolants [110593#(<= (+ main_offset 39664) main_length), 110592#(<= (+ main_offset 39668) main_length), 110595#(<= (+ main_offset 39656) main_length), 110594#(<= (+ main_offset 39660) main_length), 110597#(<= (+ main_offset 39648) main_length), 110596#(<= (+ main_offset 39652) main_length), 110599#(<= (+ main_offset 39640) main_length), 110598#(<= (+ main_offset 39644) main_length), 110601#(<= (+ main_offset 39632) main_length), 110600#(<= (+ main_offset 39636) main_length), 110603#(<= (+ main_offset 39624) main_length), 110602#(<= (+ main_offset 39628) main_length), 110605#(<= (+ main_offset 39616) main_length), 110604#(<= (+ main_offset 39620) main_length), 110607#(<= (+ main_offset 39608) main_length), 110606#(<= (+ main_offset 39612) main_length), 110609#(<= (+ main_offset 39600) main_length), 110608#(<= (+ main_offset 39604) main_length), 110611#(<= (+ main_offset 39592) main_length), 110610#(<= (+ main_offset 39596) main_length), 110613#(<= (+ main_offset 39584) main_length), 110612#(<= (+ main_offset 39588) main_length), 110615#(<= (+ main_offset 39576) main_length), 110614#(<= (+ main_offset 39580) main_length), 110617#(<= (+ main_offset 39568) main_length), 110616#(<= (+ main_offset 39572) main_length), 110619#(<= (+ main_offset 39560) main_length), 110618#(<= (+ main_offset 39564) main_length), 110621#(<= (+ main_offset 39552) main_length), 110620#(<= (+ main_offset 39556) main_length), 110623#(<= (+ main_offset 39544) main_length), 110622#(<= (+ main_offset 39548) main_length), 110625#(<= (+ main_offset 39536) main_length), 110624#(<= (+ main_offset 39540) main_length), 110627#(<= (+ main_offset 39528) main_length), 110626#(<= (+ main_offset 39532) main_length), 110629#(<= (+ main_offset 39520) main_length), 110628#(<= (+ main_offset 39524) main_length), 110631#(<= (+ main_offset 39512) main_length), 110630#(<= (+ main_offset 39516) main_length), 110633#(<= (+ main_offset 39504) main_length), 110632#(<= (+ main_offset 39508) main_length), 110635#(<= (+ main_offset 39496) main_length), 110634#(<= (+ main_offset 39500) main_length), 110637#(<= (+ main_offset 39488) main_length), 110636#(<= (+ main_offset 39492) main_length), 110639#(<= (+ main_offset 39480) main_length), 110638#(<= (+ main_offset 39484) main_length), 110641#(<= (+ main_offset 39472) main_length), 110640#(<= (+ main_offset 39476) main_length), 110643#(<= (+ main_offset 39464) main_length), 110642#(<= (+ main_offset 39468) main_length), 110645#(<= (+ main_offset 39456) main_length), 110644#(<= (+ main_offset 39460) main_length), 110647#(<= (+ main_offset 39448) main_length), 110646#(<= (+ main_offset 39452) main_length), 110649#(<= (+ main_offset 39440) main_length), 110648#(<= (+ main_offset 39444) main_length), 110651#(<= (+ main_offset 39432) main_length), 110650#(<= (+ main_offset 39436) main_length), 110653#(<= (+ main_offset 39424) main_length), 110652#(<= (+ main_offset 39428) main_length), 110655#(<= (+ main_offset 39416) main_length), 110654#(<= (+ main_offset 39420) main_length), 110657#(<= (+ main_offset 39408) main_length), 110656#(<= (+ main_offset 39412) main_length), 110659#(<= (+ main_offset 39400) main_length), 110658#(<= (+ main_offset 39404) main_length), 110661#(<= (+ main_offset 39392) main_length), 110660#(<= (+ main_offset 39396) main_length), 110663#(<= (+ main_offset 39384) main_length), 110662#(<= (+ main_offset 39388) main_length), 110507#true, 110509#(<= (+ main_offset 40000) main_length), 110508#false, 110511#(<= (+ main_offset 39992) main_length), 110510#(<= (+ main_offset 39996) main_length), 110513#(<= (+ main_offset 39984) main_length), 110512#(<= (+ main_offset 39988) main_length), 110515#(<= (+ main_offset 39976) main_length), 110514#(<= (+ main_offset 39980) main_length), 110517#(<= (+ main_offset 39968) main_length), 110516#(<= (+ main_offset 39972) main_length), 110519#(<= (+ main_offset 39960) main_length), 110518#(<= (+ main_offset 39964) main_length), 110521#(<= (+ main_offset 39952) main_length), 110520#(<= (+ main_offset 39956) main_length), 110523#(<= (+ main_offset 39944) main_length), 110522#(<= (+ main_offset 39948) main_length), 110525#(<= (+ main_offset 39936) main_length), 110524#(<= (+ main_offset 39940) main_length), 110527#(<= (+ main_offset 39928) main_length), 110526#(<= (+ main_offset 39932) main_length), 110529#(<= (+ main_offset 39920) main_length), 110528#(<= (+ main_offset 39924) main_length), 110531#(<= (+ main_offset 39912) main_length), 110530#(<= (+ main_offset 39916) main_length), 110533#(<= (+ main_offset 39904) main_length), 110532#(<= (+ main_offset 39908) main_length), 110535#(<= (+ main_offset 39896) main_length), 110534#(<= (+ main_offset 39900) main_length), 110537#(<= (+ main_offset 39888) main_length), 110536#(<= (+ main_offset 39892) main_length), 110539#(<= (+ main_offset 39880) main_length), 110538#(<= (+ main_offset 39884) main_length), 110541#(<= (+ main_offset 39872) main_length), 110540#(<= (+ main_offset 39876) main_length), 110543#(<= (+ main_offset 39864) main_length), 110542#(<= (+ main_offset 39868) main_length), 110545#(<= (+ main_offset 39856) main_length), 110544#(<= (+ main_offset 39860) main_length), 110547#(<= (+ main_offset 39848) main_length), 110546#(<= (+ main_offset 39852) main_length), 110549#(<= (+ main_offset 39840) main_length), 110548#(<= (+ main_offset 39844) main_length), 110551#(<= (+ main_offset 39832) main_length), 110550#(<= (+ main_offset 39836) main_length), 110553#(<= (+ main_offset 39824) main_length), 110552#(<= (+ main_offset 39828) main_length), 110555#(<= (+ main_offset 39816) main_length), 110554#(<= (+ main_offset 39820) main_length), 110557#(<= (+ main_offset 39808) main_length), 110556#(<= (+ main_offset 39812) main_length), 110559#(<= (+ main_offset 39800) main_length), 110558#(<= (+ main_offset 39804) main_length), 110561#(<= (+ main_offset 39792) main_length), 110560#(<= (+ main_offset 39796) main_length), 110563#(<= (+ main_offset 39784) main_length), 110562#(<= (+ main_offset 39788) main_length), 110565#(<= (+ main_offset 39776) main_length), 110564#(<= (+ main_offset 39780) main_length), 110567#(<= (+ main_offset 39768) main_length), 110566#(<= (+ main_offset 39772) main_length), 110569#(<= (+ main_offset 39760) main_length), 110568#(<= (+ main_offset 39764) main_length), 110571#(<= (+ main_offset 39752) main_length), 110570#(<= (+ main_offset 39756) main_length), 110573#(<= (+ main_offset 39744) main_length), 110572#(<= (+ main_offset 39748) main_length), 110575#(<= (+ main_offset 39736) main_length), 110574#(<= (+ main_offset 39740) main_length), 110577#(<= (+ main_offset 39728) main_length), 110576#(<= (+ main_offset 39732) main_length), 110579#(<= (+ main_offset 39720) main_length), 110578#(<= (+ main_offset 39724) main_length), 110581#(<= (+ main_offset 39712) main_length), 110580#(<= (+ main_offset 39716) main_length), 110583#(<= (+ main_offset 39704) main_length), 110582#(<= (+ main_offset 39708) main_length), 110585#(<= (+ main_offset 39696) main_length), 110584#(<= (+ main_offset 39700) main_length), 110587#(<= (+ main_offset 39688) main_length), 110586#(<= (+ main_offset 39692) main_length), 110589#(<= (+ main_offset 39680) main_length), 110588#(<= (+ main_offset 39684) main_length), 110591#(<= (+ main_offset 39672) main_length), 110590#(<= (+ main_offset 39676) main_length)] [2018-07-23 13:55:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:48,133 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:55:48,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:55:48,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:55:48,136 INFO L87 Difference]: Start difference. First operand 312 states and 312 transitions. Second operand 157 states. [2018-07-23 13:55:48,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:48,392 INFO L93 Difference]: Finished difference Result 315 states and 315 transitions. [2018-07-23 13:55:48,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:55:48,392 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 311 [2018-07-23 13:55:48,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:48,393 INFO L225 Difference]: With dead ends: 315 [2018-07-23 13:55:48,393 INFO L226 Difference]: Without dead ends: 314 [2018-07-23 13:55:48,395 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:55:48,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2018-07-23 13:55:48,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2018-07-23 13:55:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2018-07-23 13:55:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 314 transitions. [2018-07-23 13:55:48,401 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 314 transitions. Word has length 311 [2018-07-23 13:55:48,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:48,402 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 314 transitions. [2018-07-23 13:55:48,402 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:55:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 314 transitions. [2018-07-23 13:55:48,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-07-23 13:55:48,403 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:48,403 INFO L357 BasicCegarLoop]: trace histogram [156, 155, 1, 1] [2018-07-23 13:55:48,403 INFO L414 AbstractCegarLoop]: === Iteration 156 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:48,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1520171350, now seen corresponding path program 155 times [2018-07-23 13:55:48,404 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:49,388 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:49,388 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:55:49,388 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:49,388 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 13:55:49,388 INFO L185 omatonBuilderFactory]: Interpolants [111923#false, 111922#true, 111925#(<= (+ main_offset 39996) main_length), 111924#(<= (+ main_offset 40000) main_length), 111927#(<= (+ main_offset 39988) main_length), 111926#(<= (+ main_offset 39992) main_length), 111929#(<= (+ main_offset 39980) main_length), 111928#(<= (+ main_offset 39984) main_length), 111931#(<= (+ main_offset 39972) main_length), 111930#(<= (+ main_offset 39976) main_length), 111933#(<= (+ main_offset 39964) main_length), 111932#(<= (+ main_offset 39968) main_length), 111935#(<= (+ main_offset 39956) main_length), 111934#(<= (+ main_offset 39960) main_length), 111937#(<= (+ main_offset 39948) main_length), 111936#(<= (+ main_offset 39952) main_length), 111939#(<= (+ main_offset 39940) main_length), 111938#(<= (+ main_offset 39944) main_length), 111941#(<= (+ main_offset 39932) main_length), 111940#(<= (+ main_offset 39936) main_length), 111943#(<= (+ main_offset 39924) main_length), 111942#(<= (+ main_offset 39928) main_length), 111945#(<= (+ main_offset 39916) main_length), 111944#(<= (+ main_offset 39920) main_length), 111947#(<= (+ main_offset 39908) main_length), 111946#(<= (+ main_offset 39912) main_length), 111949#(<= (+ main_offset 39900) main_length), 111948#(<= (+ main_offset 39904) main_length), 111951#(<= (+ main_offset 39892) main_length), 111950#(<= (+ main_offset 39896) main_length), 111953#(<= (+ main_offset 39884) main_length), 111952#(<= (+ main_offset 39888) main_length), 111955#(<= (+ main_offset 39876) main_length), 111954#(<= (+ main_offset 39880) main_length), 111957#(<= (+ main_offset 39868) main_length), 111956#(<= (+ main_offset 39872) main_length), 111959#(<= (+ main_offset 39860) main_length), 111958#(<= (+ main_offset 39864) main_length), 111961#(<= (+ main_offset 39852) main_length), 111960#(<= (+ main_offset 39856) main_length), 111963#(<= (+ main_offset 39844) main_length), 111962#(<= (+ main_offset 39848) main_length), 111965#(<= (+ main_offset 39836) main_length), 111964#(<= (+ main_offset 39840) main_length), 111967#(<= (+ main_offset 39828) main_length), 111966#(<= (+ main_offset 39832) main_length), 111969#(<= (+ main_offset 39820) main_length), 111968#(<= (+ main_offset 39824) main_length), 111971#(<= (+ main_offset 39812) main_length), 111970#(<= (+ main_offset 39816) main_length), 111973#(<= (+ main_offset 39804) main_length), 111972#(<= (+ main_offset 39808) main_length), 111975#(<= (+ main_offset 39796) main_length), 111974#(<= (+ main_offset 39800) main_length), 111977#(<= (+ main_offset 39788) main_length), 111976#(<= (+ main_offset 39792) main_length), 111979#(<= (+ main_offset 39780) main_length), 111978#(<= (+ main_offset 39784) main_length), 111981#(<= (+ main_offset 39772) main_length), 111980#(<= (+ main_offset 39776) main_length), 111983#(<= (+ main_offset 39764) main_length), 111982#(<= (+ main_offset 39768) main_length), 111985#(<= (+ main_offset 39756) main_length), 111984#(<= (+ main_offset 39760) main_length), 111987#(<= (+ main_offset 39748) main_length), 111986#(<= (+ main_offset 39752) main_length), 111989#(<= (+ main_offset 39740) main_length), 111988#(<= (+ main_offset 39744) main_length), 111991#(<= (+ main_offset 39732) main_length), 111990#(<= (+ main_offset 39736) main_length), 111993#(<= (+ main_offset 39724) main_length), 111992#(<= (+ main_offset 39728) main_length), 111995#(<= (+ main_offset 39716) main_length), 111994#(<= (+ main_offset 39720) main_length), 111997#(<= (+ main_offset 39708) main_length), 111996#(<= (+ main_offset 39712) main_length), 111999#(<= (+ main_offset 39700) main_length), 111998#(<= (+ main_offset 39704) main_length), 112001#(<= (+ main_offset 39692) main_length), 112000#(<= (+ main_offset 39696) main_length), 112003#(<= (+ main_offset 39684) main_length), 112002#(<= (+ main_offset 39688) main_length), 112005#(<= (+ main_offset 39676) main_length), 112004#(<= (+ main_offset 39680) main_length), 112007#(<= (+ main_offset 39668) main_length), 112006#(<= (+ main_offset 39672) main_length), 112009#(<= (+ main_offset 39660) main_length), 112008#(<= (+ main_offset 39664) main_length), 112011#(<= (+ main_offset 39652) main_length), 112010#(<= (+ main_offset 39656) main_length), 112013#(<= (+ main_offset 39644) main_length), 112012#(<= (+ main_offset 39648) main_length), 112015#(<= (+ main_offset 39636) main_length), 112014#(<= (+ main_offset 39640) main_length), 112017#(<= (+ main_offset 39628) main_length), 112016#(<= (+ main_offset 39632) main_length), 112019#(<= (+ main_offset 39620) main_length), 112018#(<= (+ main_offset 39624) main_length), 112021#(<= (+ main_offset 39612) main_length), 112020#(<= (+ main_offset 39616) main_length), 112023#(<= (+ main_offset 39604) main_length), 112022#(<= (+ main_offset 39608) main_length), 112025#(<= (+ main_offset 39596) main_length), 112024#(<= (+ main_offset 39600) main_length), 112027#(<= (+ main_offset 39588) main_length), 112026#(<= (+ main_offset 39592) main_length), 112029#(<= (+ main_offset 39580) main_length), 112028#(<= (+ main_offset 39584) main_length), 112031#(<= (+ main_offset 39572) main_length), 112030#(<= (+ main_offset 39576) main_length), 112033#(<= (+ main_offset 39564) main_length), 112032#(<= (+ main_offset 39568) main_length), 112035#(<= (+ main_offset 39556) main_length), 112034#(<= (+ main_offset 39560) main_length), 112037#(<= (+ main_offset 39548) main_length), 112036#(<= (+ main_offset 39552) main_length), 112039#(<= (+ main_offset 39540) main_length), 112038#(<= (+ main_offset 39544) main_length), 112041#(<= (+ main_offset 39532) main_length), 112040#(<= (+ main_offset 39536) main_length), 112043#(<= (+ main_offset 39524) main_length), 112042#(<= (+ main_offset 39528) main_length), 112045#(<= (+ main_offset 39516) main_length), 112044#(<= (+ main_offset 39520) main_length), 112047#(<= (+ main_offset 39508) main_length), 112046#(<= (+ main_offset 39512) main_length), 112049#(<= (+ main_offset 39500) main_length), 112048#(<= (+ main_offset 39504) main_length), 112051#(<= (+ main_offset 39492) main_length), 112050#(<= (+ main_offset 39496) main_length), 112053#(<= (+ main_offset 39484) main_length), 112052#(<= (+ main_offset 39488) main_length), 112055#(<= (+ main_offset 39476) main_length), 112054#(<= (+ main_offset 39480) main_length), 112057#(<= (+ main_offset 39468) main_length), 112056#(<= (+ main_offset 39472) main_length), 112059#(<= (+ main_offset 39460) main_length), 112058#(<= (+ main_offset 39464) main_length), 112061#(<= (+ main_offset 39452) main_length), 112060#(<= (+ main_offset 39456) main_length), 112063#(<= (+ main_offset 39444) main_length), 112062#(<= (+ main_offset 39448) main_length), 112065#(<= (+ main_offset 39436) main_length), 112064#(<= (+ main_offset 39440) main_length), 112067#(<= (+ main_offset 39428) main_length), 112066#(<= (+ main_offset 39432) main_length), 112069#(<= (+ main_offset 39420) main_length), 112068#(<= (+ main_offset 39424) main_length), 112071#(<= (+ main_offset 39412) main_length), 112070#(<= (+ main_offset 39416) main_length), 112073#(<= (+ main_offset 39404) main_length), 112072#(<= (+ main_offset 39408) main_length), 112075#(<= (+ main_offset 39396) main_length), 112074#(<= (+ main_offset 39400) main_length), 112077#(<= (+ main_offset 39388) main_length), 112076#(<= (+ main_offset 39392) main_length), 112079#(<= (+ main_offset 39380) main_length), 112078#(<= (+ main_offset 39384) main_length)] [2018-07-23 13:55:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:49,389 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:55:49,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:55:49,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:55:49,391 INFO L87 Difference]: Start difference. First operand 314 states and 314 transitions. Second operand 158 states. [2018-07-23 13:55:50,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:50,301 INFO L93 Difference]: Finished difference Result 317 states and 317 transitions. [2018-07-23 13:55:50,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:55:50,301 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 313 [2018-07-23 13:55:50,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:50,302 INFO L225 Difference]: With dead ends: 317 [2018-07-23 13:55:50,302 INFO L226 Difference]: Without dead ends: 316 [2018-07-23 13:55:50,303 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:55:50,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-07-23 13:55:50,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2018-07-23 13:55:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-07-23 13:55:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 316 transitions. [2018-07-23 13:55:50,309 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 316 transitions. Word has length 313 [2018-07-23 13:55:50,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:50,310 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 316 transitions. [2018-07-23 13:55:50,310 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:55:50,310 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 316 transitions. [2018-07-23 13:55:50,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-07-23 13:55:50,311 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:50,311 INFO L357 BasicCegarLoop]: trace histogram [157, 156, 1, 1] [2018-07-23 13:55:50,312 INFO L414 AbstractCegarLoop]: === Iteration 157 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:50,312 INFO L82 PathProgramCache]: Analyzing trace with hash 595787800, now seen corresponding path program 156 times [2018-07-23 13:55:50,312 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:51,447 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:51,447 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:55:51,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:51,448 INFO L185 omatonBuilderFactory]: Interpolants [113409#(<= (+ main_offset 39756) main_length), 113408#(<= (+ main_offset 39760) main_length), 113411#(<= (+ main_offset 39748) main_length), 113410#(<= (+ main_offset 39752) main_length), 113413#(<= (+ main_offset 39740) main_length), 113412#(<= (+ main_offset 39744) main_length), 113415#(<= (+ main_offset 39732) main_length), 113414#(<= (+ main_offset 39736) main_length), 113417#(<= (+ main_offset 39724) main_length), 113416#(<= (+ main_offset 39728) main_length), 113419#(<= (+ main_offset 39716) main_length), 113418#(<= (+ main_offset 39720) main_length), 113421#(<= (+ main_offset 39708) main_length), 113420#(<= (+ main_offset 39712) main_length), 113423#(<= (+ main_offset 39700) main_length), 113422#(<= (+ main_offset 39704) main_length), 113425#(<= (+ main_offset 39692) main_length), 113424#(<= (+ main_offset 39696) main_length), 113427#(<= (+ main_offset 39684) main_length), 113426#(<= (+ main_offset 39688) main_length), 113429#(<= (+ main_offset 39676) main_length), 113428#(<= (+ main_offset 39680) main_length), 113431#(<= (+ main_offset 39668) main_length), 113430#(<= (+ main_offset 39672) main_length), 113433#(<= (+ main_offset 39660) main_length), 113432#(<= (+ main_offset 39664) main_length), 113435#(<= (+ main_offset 39652) main_length), 113434#(<= (+ main_offset 39656) main_length), 113437#(<= (+ main_offset 39644) main_length), 113436#(<= (+ main_offset 39648) main_length), 113439#(<= (+ main_offset 39636) main_length), 113438#(<= (+ main_offset 39640) main_length), 113441#(<= (+ main_offset 39628) main_length), 113440#(<= (+ main_offset 39632) main_length), 113443#(<= (+ main_offset 39620) main_length), 113442#(<= (+ main_offset 39624) main_length), 113445#(<= (+ main_offset 39612) main_length), 113444#(<= (+ main_offset 39616) main_length), 113447#(<= (+ main_offset 39604) main_length), 113446#(<= (+ main_offset 39608) main_length), 113449#(<= (+ main_offset 39596) main_length), 113448#(<= (+ main_offset 39600) main_length), 113451#(<= (+ main_offset 39588) main_length), 113450#(<= (+ main_offset 39592) main_length), 113453#(<= (+ main_offset 39580) main_length), 113452#(<= (+ main_offset 39584) main_length), 113455#(<= (+ main_offset 39572) main_length), 113454#(<= (+ main_offset 39576) main_length), 113457#(<= (+ main_offset 39564) main_length), 113456#(<= (+ main_offset 39568) main_length), 113459#(<= (+ main_offset 39556) main_length), 113458#(<= (+ main_offset 39560) main_length), 113461#(<= (+ main_offset 39548) main_length), 113460#(<= (+ main_offset 39552) main_length), 113463#(<= (+ main_offset 39540) main_length), 113462#(<= (+ main_offset 39544) main_length), 113465#(<= (+ main_offset 39532) main_length), 113464#(<= (+ main_offset 39536) main_length), 113467#(<= (+ main_offset 39524) main_length), 113466#(<= (+ main_offset 39528) main_length), 113469#(<= (+ main_offset 39516) main_length), 113468#(<= (+ main_offset 39520) main_length), 113471#(<= (+ main_offset 39508) main_length), 113470#(<= (+ main_offset 39512) main_length), 113473#(<= (+ main_offset 39500) main_length), 113472#(<= (+ main_offset 39504) main_length), 113475#(<= (+ main_offset 39492) main_length), 113474#(<= (+ main_offset 39496) main_length), 113477#(<= (+ main_offset 39484) main_length), 113476#(<= (+ main_offset 39488) main_length), 113479#(<= (+ main_offset 39476) main_length), 113478#(<= (+ main_offset 39480) main_length), 113481#(<= (+ main_offset 39468) main_length), 113480#(<= (+ main_offset 39472) main_length), 113483#(<= (+ main_offset 39460) main_length), 113482#(<= (+ main_offset 39464) main_length), 113485#(<= (+ main_offset 39452) main_length), 113484#(<= (+ main_offset 39456) main_length), 113487#(<= (+ main_offset 39444) main_length), 113486#(<= (+ main_offset 39448) main_length), 113489#(<= (+ main_offset 39436) main_length), 113488#(<= (+ main_offset 39440) main_length), 113491#(<= (+ main_offset 39428) main_length), 113490#(<= (+ main_offset 39432) main_length), 113493#(<= (+ main_offset 39420) main_length), 113492#(<= (+ main_offset 39424) main_length), 113495#(<= (+ main_offset 39412) main_length), 113494#(<= (+ main_offset 39416) main_length), 113497#(<= (+ main_offset 39404) main_length), 113496#(<= (+ main_offset 39408) main_length), 113499#(<= (+ main_offset 39396) main_length), 113498#(<= (+ main_offset 39400) main_length), 113501#(<= (+ main_offset 39388) main_length), 113500#(<= (+ main_offset 39392) main_length), 113503#(<= (+ main_offset 39380) main_length), 113502#(<= (+ main_offset 39384) main_length), 113504#(<= (+ main_offset 39376) main_length), 113347#false, 113346#true, 113349#(<= (+ main_offset 39996) main_length), 113348#(<= (+ main_offset 40000) main_length), 113351#(<= (+ main_offset 39988) main_length), 113350#(<= (+ main_offset 39992) main_length), 113353#(<= (+ main_offset 39980) main_length), 113352#(<= (+ main_offset 39984) main_length), 113355#(<= (+ main_offset 39972) main_length), 113354#(<= (+ main_offset 39976) main_length), 113357#(<= (+ main_offset 39964) main_length), 113356#(<= (+ main_offset 39968) main_length), 113359#(<= (+ main_offset 39956) main_length), 113358#(<= (+ main_offset 39960) main_length), 113361#(<= (+ main_offset 39948) main_length), 113360#(<= (+ main_offset 39952) main_length), 113363#(<= (+ main_offset 39940) main_length), 113362#(<= (+ main_offset 39944) main_length), 113365#(<= (+ main_offset 39932) main_length), 113364#(<= (+ main_offset 39936) main_length), 113367#(<= (+ main_offset 39924) main_length), 113366#(<= (+ main_offset 39928) main_length), 113369#(<= (+ main_offset 39916) main_length), 113368#(<= (+ main_offset 39920) main_length), 113371#(<= (+ main_offset 39908) main_length), 113370#(<= (+ main_offset 39912) main_length), 113373#(<= (+ main_offset 39900) main_length), 113372#(<= (+ main_offset 39904) main_length), 113375#(<= (+ main_offset 39892) main_length), 113374#(<= (+ main_offset 39896) main_length), 113377#(<= (+ main_offset 39884) main_length), 113376#(<= (+ main_offset 39888) main_length), 113379#(<= (+ main_offset 39876) main_length), 113378#(<= (+ main_offset 39880) main_length), 113381#(<= (+ main_offset 39868) main_length), 113380#(<= (+ main_offset 39872) main_length), 113383#(<= (+ main_offset 39860) main_length), 113382#(<= (+ main_offset 39864) main_length), 113385#(<= (+ main_offset 39852) main_length), 113384#(<= (+ main_offset 39856) main_length), 113387#(<= (+ main_offset 39844) main_length), 113386#(<= (+ main_offset 39848) main_length), 113389#(<= (+ main_offset 39836) main_length), 113388#(<= (+ main_offset 39840) main_length), 113391#(<= (+ main_offset 39828) main_length), 113390#(<= (+ main_offset 39832) main_length), 113393#(<= (+ main_offset 39820) main_length), 113392#(<= (+ main_offset 39824) main_length), 113395#(<= (+ main_offset 39812) main_length), 113394#(<= (+ main_offset 39816) main_length), 113397#(<= (+ main_offset 39804) main_length), 113396#(<= (+ main_offset 39808) main_length), 113399#(<= (+ main_offset 39796) main_length), 113398#(<= (+ main_offset 39800) main_length), 113401#(<= (+ main_offset 39788) main_length), 113400#(<= (+ main_offset 39792) main_length), 113403#(<= (+ main_offset 39780) main_length), 113402#(<= (+ main_offset 39784) main_length), 113405#(<= (+ main_offset 39772) main_length), 113404#(<= (+ main_offset 39776) main_length), 113407#(<= (+ main_offset 39764) main_length), 113406#(<= (+ main_offset 39768) main_length)] [2018-07-23 13:55:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:51,449 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:55:51,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:55:51,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:55:51,452 INFO L87 Difference]: Start difference. First operand 316 states and 316 transitions. Second operand 159 states. [2018-07-23 13:55:51,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:51,868 INFO L93 Difference]: Finished difference Result 319 states and 319 transitions. [2018-07-23 13:55:51,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:55:51,868 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 315 [2018-07-23 13:55:51,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:51,869 INFO L225 Difference]: With dead ends: 319 [2018-07-23 13:55:51,869 INFO L226 Difference]: Without dead ends: 318 [2018-07-23 13:55:51,870 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:55:51,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-07-23 13:55:51,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-07-23 13:55:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-07-23 13:55:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 318 transitions. [2018-07-23 13:55:51,874 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 318 transitions. Word has length 315 [2018-07-23 13:55:51,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:51,874 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 318 transitions. [2018-07-23 13:55:51,874 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:55:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 318 transitions. [2018-07-23 13:55:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-07-23 13:55:51,875 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:51,875 INFO L357 BasicCegarLoop]: trace histogram [158, 157, 1, 1] [2018-07-23 13:55:51,875 INFO L414 AbstractCegarLoop]: === Iteration 158 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:51,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1321426522, now seen corresponding path program 157 times [2018-07-23 13:55:51,876 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,903 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:52,904 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:55:52,904 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,904 INFO L185 omatonBuilderFactory]: Interpolants [114779#true, 114781#(<= (+ main_offset 40000) main_length), 114780#false, 114783#(<= (+ main_offset 39992) main_length), 114782#(<= (+ main_offset 39996) main_length), 114785#(<= (+ main_offset 39984) main_length), 114784#(<= (+ main_offset 39988) main_length), 114787#(<= (+ main_offset 39976) main_length), 114786#(<= (+ main_offset 39980) main_length), 114789#(<= (+ main_offset 39968) main_length), 114788#(<= (+ main_offset 39972) main_length), 114791#(<= (+ main_offset 39960) main_length), 114790#(<= (+ main_offset 39964) main_length), 114793#(<= (+ main_offset 39952) main_length), 114792#(<= (+ main_offset 39956) main_length), 114795#(<= (+ main_offset 39944) main_length), 114794#(<= (+ main_offset 39948) main_length), 114797#(<= (+ main_offset 39936) main_length), 114796#(<= (+ main_offset 39940) main_length), 114799#(<= (+ main_offset 39928) main_length), 114798#(<= (+ main_offset 39932) main_length), 114801#(<= (+ main_offset 39920) main_length), 114800#(<= (+ main_offset 39924) main_length), 114803#(<= (+ main_offset 39912) main_length), 114802#(<= (+ main_offset 39916) main_length), 114805#(<= (+ main_offset 39904) main_length), 114804#(<= (+ main_offset 39908) main_length), 114807#(<= (+ main_offset 39896) main_length), 114806#(<= (+ main_offset 39900) main_length), 114809#(<= (+ main_offset 39888) main_length), 114808#(<= (+ main_offset 39892) main_length), 114811#(<= (+ main_offset 39880) main_length), 114810#(<= (+ main_offset 39884) main_length), 114813#(<= (+ main_offset 39872) main_length), 114812#(<= (+ main_offset 39876) main_length), 114815#(<= (+ main_offset 39864) main_length), 114814#(<= (+ main_offset 39868) main_length), 114817#(<= (+ main_offset 39856) main_length), 114816#(<= (+ main_offset 39860) main_length), 114819#(<= (+ main_offset 39848) main_length), 114818#(<= (+ main_offset 39852) main_length), 114821#(<= (+ main_offset 39840) main_length), 114820#(<= (+ main_offset 39844) main_length), 114823#(<= (+ main_offset 39832) main_length), 114822#(<= (+ main_offset 39836) main_length), 114825#(<= (+ main_offset 39824) main_length), 114824#(<= (+ main_offset 39828) main_length), 114827#(<= (+ main_offset 39816) main_length), 114826#(<= (+ main_offset 39820) main_length), 114829#(<= (+ main_offset 39808) main_length), 114828#(<= (+ main_offset 39812) main_length), 114831#(<= (+ main_offset 39800) main_length), 114830#(<= (+ main_offset 39804) main_length), 114833#(<= (+ main_offset 39792) main_length), 114832#(<= (+ main_offset 39796) main_length), 114835#(<= (+ main_offset 39784) main_length), 114834#(<= (+ main_offset 39788) main_length), 114837#(<= (+ main_offset 39776) main_length), 114836#(<= (+ main_offset 39780) main_length), 114839#(<= (+ main_offset 39768) main_length), 114838#(<= (+ main_offset 39772) main_length), 114841#(<= (+ main_offset 39760) main_length), 114840#(<= (+ main_offset 39764) main_length), 114843#(<= (+ main_offset 39752) main_length), 114842#(<= (+ main_offset 39756) main_length), 114845#(<= (+ main_offset 39744) main_length), 114844#(<= (+ main_offset 39748) main_length), 114847#(<= (+ main_offset 39736) main_length), 114846#(<= (+ main_offset 39740) main_length), 114849#(<= (+ main_offset 39728) main_length), 114848#(<= (+ main_offset 39732) main_length), 114851#(<= (+ main_offset 39720) main_length), 114850#(<= (+ main_offset 39724) main_length), 114853#(<= (+ main_offset 39712) main_length), 114852#(<= (+ main_offset 39716) main_length), 114855#(<= (+ main_offset 39704) main_length), 114854#(<= (+ main_offset 39708) main_length), 114857#(<= (+ main_offset 39696) main_length), 114856#(<= (+ main_offset 39700) main_length), 114859#(<= (+ main_offset 39688) main_length), 114858#(<= (+ main_offset 39692) main_length), 114861#(<= (+ main_offset 39680) main_length), 114860#(<= (+ main_offset 39684) main_length), 114863#(<= (+ main_offset 39672) main_length), 114862#(<= (+ main_offset 39676) main_length), 114865#(<= (+ main_offset 39664) main_length), 114864#(<= (+ main_offset 39668) main_length), 114867#(<= (+ main_offset 39656) main_length), 114866#(<= (+ main_offset 39660) main_length), 114869#(<= (+ main_offset 39648) main_length), 114868#(<= (+ main_offset 39652) main_length), 114871#(<= (+ main_offset 39640) main_length), 114870#(<= (+ main_offset 39644) main_length), 114873#(<= (+ main_offset 39632) main_length), 114872#(<= (+ main_offset 39636) main_length), 114875#(<= (+ main_offset 39624) main_length), 114874#(<= (+ main_offset 39628) main_length), 114877#(<= (+ main_offset 39616) main_length), 114876#(<= (+ main_offset 39620) main_length), 114879#(<= (+ main_offset 39608) main_length), 114878#(<= (+ main_offset 39612) main_length), 114881#(<= (+ main_offset 39600) main_length), 114880#(<= (+ main_offset 39604) main_length), 114883#(<= (+ main_offset 39592) main_length), 114882#(<= (+ main_offset 39596) main_length), 114885#(<= (+ main_offset 39584) main_length), 114884#(<= (+ main_offset 39588) main_length), 114887#(<= (+ main_offset 39576) main_length), 114886#(<= (+ main_offset 39580) main_length), 114889#(<= (+ main_offset 39568) main_length), 114888#(<= (+ main_offset 39572) main_length), 114891#(<= (+ main_offset 39560) main_length), 114890#(<= (+ main_offset 39564) main_length), 114893#(<= (+ main_offset 39552) main_length), 114892#(<= (+ main_offset 39556) main_length), 114895#(<= (+ main_offset 39544) main_length), 114894#(<= (+ main_offset 39548) main_length), 114897#(<= (+ main_offset 39536) main_length), 114896#(<= (+ main_offset 39540) main_length), 114899#(<= (+ main_offset 39528) main_length), 114898#(<= (+ main_offset 39532) main_length), 114901#(<= (+ main_offset 39520) main_length), 114900#(<= (+ main_offset 39524) main_length), 114903#(<= (+ main_offset 39512) main_length), 114902#(<= (+ main_offset 39516) main_length), 114905#(<= (+ main_offset 39504) main_length), 114904#(<= (+ main_offset 39508) main_length), 114907#(<= (+ main_offset 39496) main_length), 114906#(<= (+ main_offset 39500) main_length), 114909#(<= (+ main_offset 39488) main_length), 114908#(<= (+ main_offset 39492) main_length), 114911#(<= (+ main_offset 39480) main_length), 114910#(<= (+ main_offset 39484) main_length), 114913#(<= (+ main_offset 39472) main_length), 114912#(<= (+ main_offset 39476) main_length), 114915#(<= (+ main_offset 39464) main_length), 114914#(<= (+ main_offset 39468) main_length), 114917#(<= (+ main_offset 39456) main_length), 114916#(<= (+ main_offset 39460) main_length), 114919#(<= (+ main_offset 39448) main_length), 114918#(<= (+ main_offset 39452) main_length), 114921#(<= (+ main_offset 39440) main_length), 114920#(<= (+ main_offset 39444) main_length), 114923#(<= (+ main_offset 39432) main_length), 114922#(<= (+ main_offset 39436) main_length), 114925#(<= (+ main_offset 39424) main_length), 114924#(<= (+ main_offset 39428) main_length), 114927#(<= (+ main_offset 39416) main_length), 114926#(<= (+ main_offset 39420) main_length), 114929#(<= (+ main_offset 39408) main_length), 114928#(<= (+ main_offset 39412) main_length), 114931#(<= (+ main_offset 39400) main_length), 114930#(<= (+ main_offset 39404) main_length), 114933#(<= (+ main_offset 39392) main_length), 114932#(<= (+ main_offset 39396) main_length), 114935#(<= (+ main_offset 39384) main_length), 114934#(<= (+ main_offset 39388) main_length), 114937#(<= (+ main_offset 39376) main_length), 114936#(<= (+ main_offset 39380) main_length), 114938#(<= (+ main_offset 39372) main_length)] [2018-07-23 13:55:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,906 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:55:52,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:55:52,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:55:52,911 INFO L87 Difference]: Start difference. First operand 318 states and 318 transitions. Second operand 160 states. [2018-07-23 13:55:53,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:53,740 INFO L93 Difference]: Finished difference Result 321 states and 321 transitions. [2018-07-23 13:55:53,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:55:53,741 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 317 [2018-07-23 13:55:53,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:53,742 INFO L225 Difference]: With dead ends: 321 [2018-07-23 13:55:53,742 INFO L226 Difference]: Without dead ends: 320 [2018-07-23 13:55:53,744 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:55:53,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-07-23 13:55:53,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-07-23 13:55:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-07-23 13:55:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 320 transitions. [2018-07-23 13:55:53,748 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 320 transitions. Word has length 317 [2018-07-23 13:55:53,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:53,749 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 320 transitions. [2018-07-23 13:55:53,749 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:55:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 320 transitions. [2018-07-23 13:55:53,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-07-23 13:55:53,750 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:53,750 INFO L357 BasicCegarLoop]: trace histogram [159, 158, 1, 1] [2018-07-23 13:55:53,750 INFO L414 AbstractCegarLoop]: === Iteration 159 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:53,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1419430884, now seen corresponding path program 158 times [2018-07-23 13:55:53,750 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,819 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:54,819 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:55:54,819 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:54,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,819 INFO L185 omatonBuilderFactory]: Interpolants [116225#(<= (+ main_offset 39992) main_length), 116224#(<= (+ main_offset 39996) main_length), 116227#(<= (+ main_offset 39984) main_length), 116226#(<= (+ main_offset 39988) main_length), 116229#(<= (+ main_offset 39976) main_length), 116228#(<= (+ main_offset 39980) main_length), 116231#(<= (+ main_offset 39968) main_length), 116230#(<= (+ main_offset 39972) main_length), 116233#(<= (+ main_offset 39960) main_length), 116232#(<= (+ main_offset 39964) main_length), 116235#(<= (+ main_offset 39952) main_length), 116234#(<= (+ main_offset 39956) main_length), 116237#(<= (+ main_offset 39944) main_length), 116236#(<= (+ main_offset 39948) main_length), 116239#(<= (+ main_offset 39936) main_length), 116238#(<= (+ main_offset 39940) main_length), 116241#(<= (+ main_offset 39928) main_length), 116240#(<= (+ main_offset 39932) main_length), 116243#(<= (+ main_offset 39920) main_length), 116242#(<= (+ main_offset 39924) main_length), 116245#(<= (+ main_offset 39912) main_length), 116244#(<= (+ main_offset 39916) main_length), 116247#(<= (+ main_offset 39904) main_length), 116246#(<= (+ main_offset 39908) main_length), 116249#(<= (+ main_offset 39896) main_length), 116248#(<= (+ main_offset 39900) main_length), 116251#(<= (+ main_offset 39888) main_length), 116250#(<= (+ main_offset 39892) main_length), 116253#(<= (+ main_offset 39880) main_length), 116252#(<= (+ main_offset 39884) main_length), 116255#(<= (+ main_offset 39872) main_length), 116254#(<= (+ main_offset 39876) main_length), 116257#(<= (+ main_offset 39864) main_length), 116256#(<= (+ main_offset 39868) main_length), 116259#(<= (+ main_offset 39856) main_length), 116258#(<= (+ main_offset 39860) main_length), 116261#(<= (+ main_offset 39848) main_length), 116260#(<= (+ main_offset 39852) main_length), 116263#(<= (+ main_offset 39840) main_length), 116262#(<= (+ main_offset 39844) main_length), 116265#(<= (+ main_offset 39832) main_length), 116264#(<= (+ main_offset 39836) main_length), 116267#(<= (+ main_offset 39824) main_length), 116266#(<= (+ main_offset 39828) main_length), 116269#(<= (+ main_offset 39816) main_length), 116268#(<= (+ main_offset 39820) main_length), 116271#(<= (+ main_offset 39808) main_length), 116270#(<= (+ main_offset 39812) main_length), 116273#(<= (+ main_offset 39800) main_length), 116272#(<= (+ main_offset 39804) main_length), 116275#(<= (+ main_offset 39792) main_length), 116274#(<= (+ main_offset 39796) main_length), 116277#(<= (+ main_offset 39784) main_length), 116276#(<= (+ main_offset 39788) main_length), 116279#(<= (+ main_offset 39776) main_length), 116278#(<= (+ main_offset 39780) main_length), 116281#(<= (+ main_offset 39768) main_length), 116280#(<= (+ main_offset 39772) main_length), 116283#(<= (+ main_offset 39760) main_length), 116282#(<= (+ main_offset 39764) main_length), 116285#(<= (+ main_offset 39752) main_length), 116284#(<= (+ main_offset 39756) main_length), 116287#(<= (+ main_offset 39744) main_length), 116286#(<= (+ main_offset 39748) main_length), 116289#(<= (+ main_offset 39736) main_length), 116288#(<= (+ main_offset 39740) main_length), 116291#(<= (+ main_offset 39728) main_length), 116290#(<= (+ main_offset 39732) main_length), 116293#(<= (+ main_offset 39720) main_length), 116292#(<= (+ main_offset 39724) main_length), 116295#(<= (+ main_offset 39712) main_length), 116294#(<= (+ main_offset 39716) main_length), 116297#(<= (+ main_offset 39704) main_length), 116296#(<= (+ main_offset 39708) main_length), 116299#(<= (+ main_offset 39696) main_length), 116298#(<= (+ main_offset 39700) main_length), 116301#(<= (+ main_offset 39688) main_length), 116300#(<= (+ main_offset 39692) main_length), 116303#(<= (+ main_offset 39680) main_length), 116302#(<= (+ main_offset 39684) main_length), 116305#(<= (+ main_offset 39672) main_length), 116304#(<= (+ main_offset 39676) main_length), 116307#(<= (+ main_offset 39664) main_length), 116306#(<= (+ main_offset 39668) main_length), 116309#(<= (+ main_offset 39656) main_length), 116308#(<= (+ main_offset 39660) main_length), 116311#(<= (+ main_offset 39648) main_length), 116310#(<= (+ main_offset 39652) main_length), 116313#(<= (+ main_offset 39640) main_length), 116312#(<= (+ main_offset 39644) main_length), 116315#(<= (+ main_offset 39632) main_length), 116314#(<= (+ main_offset 39636) main_length), 116317#(<= (+ main_offset 39624) main_length), 116316#(<= (+ main_offset 39628) main_length), 116319#(<= (+ main_offset 39616) main_length), 116318#(<= (+ main_offset 39620) main_length), 116321#(<= (+ main_offset 39608) main_length), 116320#(<= (+ main_offset 39612) main_length), 116323#(<= (+ main_offset 39600) main_length), 116322#(<= (+ main_offset 39604) main_length), 116325#(<= (+ main_offset 39592) main_length), 116324#(<= (+ main_offset 39596) main_length), 116327#(<= (+ main_offset 39584) main_length), 116326#(<= (+ main_offset 39588) main_length), 116329#(<= (+ main_offset 39576) main_length), 116328#(<= (+ main_offset 39580) main_length), 116331#(<= (+ main_offset 39568) main_length), 116330#(<= (+ main_offset 39572) main_length), 116333#(<= (+ main_offset 39560) main_length), 116332#(<= (+ main_offset 39564) main_length), 116335#(<= (+ main_offset 39552) main_length), 116334#(<= (+ main_offset 39556) main_length), 116337#(<= (+ main_offset 39544) main_length), 116336#(<= (+ main_offset 39548) main_length), 116339#(<= (+ main_offset 39536) main_length), 116338#(<= (+ main_offset 39540) main_length), 116341#(<= (+ main_offset 39528) main_length), 116340#(<= (+ main_offset 39532) main_length), 116343#(<= (+ main_offset 39520) main_length), 116342#(<= (+ main_offset 39524) main_length), 116345#(<= (+ main_offset 39512) main_length), 116344#(<= (+ main_offset 39516) main_length), 116347#(<= (+ main_offset 39504) main_length), 116346#(<= (+ main_offset 39508) main_length), 116349#(<= (+ main_offset 39496) main_length), 116348#(<= (+ main_offset 39500) main_length), 116351#(<= (+ main_offset 39488) main_length), 116350#(<= (+ main_offset 39492) main_length), 116353#(<= (+ main_offset 39480) main_length), 116352#(<= (+ main_offset 39484) main_length), 116355#(<= (+ main_offset 39472) main_length), 116354#(<= (+ main_offset 39476) main_length), 116357#(<= (+ main_offset 39464) main_length), 116356#(<= (+ main_offset 39468) main_length), 116359#(<= (+ main_offset 39456) main_length), 116358#(<= (+ main_offset 39460) main_length), 116361#(<= (+ main_offset 39448) main_length), 116360#(<= (+ main_offset 39452) main_length), 116363#(<= (+ main_offset 39440) main_length), 116362#(<= (+ main_offset 39444) main_length), 116365#(<= (+ main_offset 39432) main_length), 116364#(<= (+ main_offset 39436) main_length), 116367#(<= (+ main_offset 39424) main_length), 116366#(<= (+ main_offset 39428) main_length), 116369#(<= (+ main_offset 39416) main_length), 116368#(<= (+ main_offset 39420) main_length), 116371#(<= (+ main_offset 39408) main_length), 116370#(<= (+ main_offset 39412) main_length), 116373#(<= (+ main_offset 39400) main_length), 116372#(<= (+ main_offset 39404) main_length), 116375#(<= (+ main_offset 39392) main_length), 116374#(<= (+ main_offset 39396) main_length), 116377#(<= (+ main_offset 39384) main_length), 116376#(<= (+ main_offset 39388) main_length), 116379#(<= (+ main_offset 39376) main_length), 116378#(<= (+ main_offset 39380) main_length), 116381#(<= (+ main_offset 39368) main_length), 116380#(<= (+ main_offset 39372) main_length), 116221#true, 116223#(<= (+ main_offset 40000) main_length), 116222#false] [2018-07-23 13:55:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,821 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:55:54,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:55:54,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:55:54,823 INFO L87 Difference]: Start difference. First operand 320 states and 320 transitions. Second operand 161 states. [2018-07-23 13:55:55,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:55,741 INFO L93 Difference]: Finished difference Result 323 states and 323 transitions. [2018-07-23 13:55:55,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:55:55,741 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 319 [2018-07-23 13:55:55,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:55,742 INFO L225 Difference]: With dead ends: 323 [2018-07-23 13:55:55,742 INFO L226 Difference]: Without dead ends: 322 [2018-07-23 13:55:55,743 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:55:55,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-07-23 13:55:55,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2018-07-23 13:55:55,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-07-23 13:55:55,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 322 transitions. [2018-07-23 13:55:55,747 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 322 transitions. Word has length 319 [2018-07-23 13:55:55,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:55,747 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 322 transitions. [2018-07-23 13:55:55,747 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:55:55,747 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 322 transitions. [2018-07-23 13:55:55,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-07-23 13:55:55,748 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:55,748 INFO L357 BasicCegarLoop]: trace histogram [160, 159, 1, 1] [2018-07-23 13:55:55,748 INFO L414 AbstractCegarLoop]: === Iteration 160 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:55,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1726521694, now seen corresponding path program 159 times [2018-07-23 13:55:55,748 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,750 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:56,751 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:55:56,751 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,751 INFO L185 omatonBuilderFactory]: Interpolants [117761#(<= (+ main_offset 39652) main_length), 117760#(<= (+ main_offset 39656) main_length), 117763#(<= (+ main_offset 39644) main_length), 117762#(<= (+ main_offset 39648) main_length), 117765#(<= (+ main_offset 39636) main_length), 117764#(<= (+ main_offset 39640) main_length), 117767#(<= (+ main_offset 39628) main_length), 117766#(<= (+ main_offset 39632) main_length), 117769#(<= (+ main_offset 39620) main_length), 117768#(<= (+ main_offset 39624) main_length), 117771#(<= (+ main_offset 39612) main_length), 117770#(<= (+ main_offset 39616) main_length), 117773#(<= (+ main_offset 39604) main_length), 117772#(<= (+ main_offset 39608) main_length), 117775#(<= (+ main_offset 39596) main_length), 117774#(<= (+ main_offset 39600) main_length), 117777#(<= (+ main_offset 39588) main_length), 117776#(<= (+ main_offset 39592) main_length), 117779#(<= (+ main_offset 39580) main_length), 117778#(<= (+ main_offset 39584) main_length), 117781#(<= (+ main_offset 39572) main_length), 117780#(<= (+ main_offset 39576) main_length), 117783#(<= (+ main_offset 39564) main_length), 117782#(<= (+ main_offset 39568) main_length), 117785#(<= (+ main_offset 39556) main_length), 117784#(<= (+ main_offset 39560) main_length), 117787#(<= (+ main_offset 39548) main_length), 117786#(<= (+ main_offset 39552) main_length), 117789#(<= (+ main_offset 39540) main_length), 117788#(<= (+ main_offset 39544) main_length), 117791#(<= (+ main_offset 39532) main_length), 117790#(<= (+ main_offset 39536) main_length), 117793#(<= (+ main_offset 39524) main_length), 117792#(<= (+ main_offset 39528) main_length), 117795#(<= (+ main_offset 39516) main_length), 117794#(<= (+ main_offset 39520) main_length), 117797#(<= (+ main_offset 39508) main_length), 117796#(<= (+ main_offset 39512) main_length), 117799#(<= (+ main_offset 39500) main_length), 117798#(<= (+ main_offset 39504) main_length), 117801#(<= (+ main_offset 39492) main_length), 117800#(<= (+ main_offset 39496) main_length), 117803#(<= (+ main_offset 39484) main_length), 117802#(<= (+ main_offset 39488) main_length), 117805#(<= (+ main_offset 39476) main_length), 117804#(<= (+ main_offset 39480) main_length), 117807#(<= (+ main_offset 39468) main_length), 117806#(<= (+ main_offset 39472) main_length), 117809#(<= (+ main_offset 39460) main_length), 117808#(<= (+ main_offset 39464) main_length), 117811#(<= (+ main_offset 39452) main_length), 117810#(<= (+ main_offset 39456) main_length), 117813#(<= (+ main_offset 39444) main_length), 117812#(<= (+ main_offset 39448) main_length), 117815#(<= (+ main_offset 39436) main_length), 117814#(<= (+ main_offset 39440) main_length), 117817#(<= (+ main_offset 39428) main_length), 117816#(<= (+ main_offset 39432) main_length), 117819#(<= (+ main_offset 39420) main_length), 117818#(<= (+ main_offset 39424) main_length), 117821#(<= (+ main_offset 39412) main_length), 117820#(<= (+ main_offset 39416) main_length), 117823#(<= (+ main_offset 39404) main_length), 117822#(<= (+ main_offset 39408) main_length), 117825#(<= (+ main_offset 39396) main_length), 117824#(<= (+ main_offset 39400) main_length), 117827#(<= (+ main_offset 39388) main_length), 117826#(<= (+ main_offset 39392) main_length), 117829#(<= (+ main_offset 39380) main_length), 117828#(<= (+ main_offset 39384) main_length), 117831#(<= (+ main_offset 39372) main_length), 117830#(<= (+ main_offset 39376) main_length), 117833#(<= (+ main_offset 39364) main_length), 117832#(<= (+ main_offset 39368) main_length), 117673#false, 117672#true, 117675#(<= (+ main_offset 39996) main_length), 117674#(<= (+ main_offset 40000) main_length), 117677#(<= (+ main_offset 39988) main_length), 117676#(<= (+ main_offset 39992) main_length), 117679#(<= (+ main_offset 39980) main_length), 117678#(<= (+ main_offset 39984) main_length), 117681#(<= (+ main_offset 39972) main_length), 117680#(<= (+ main_offset 39976) main_length), 117683#(<= (+ main_offset 39964) main_length), 117682#(<= (+ main_offset 39968) main_length), 117685#(<= (+ main_offset 39956) main_length), 117684#(<= (+ main_offset 39960) main_length), 117687#(<= (+ main_offset 39948) main_length), 117686#(<= (+ main_offset 39952) main_length), 117689#(<= (+ main_offset 39940) main_length), 117688#(<= (+ main_offset 39944) main_length), 117691#(<= (+ main_offset 39932) main_length), 117690#(<= (+ main_offset 39936) main_length), 117693#(<= (+ main_offset 39924) main_length), 117692#(<= (+ main_offset 39928) main_length), 117695#(<= (+ main_offset 39916) main_length), 117694#(<= (+ main_offset 39920) main_length), 117697#(<= (+ main_offset 39908) main_length), 117696#(<= (+ main_offset 39912) main_length), 117699#(<= (+ main_offset 39900) main_length), 117698#(<= (+ main_offset 39904) main_length), 117701#(<= (+ main_offset 39892) main_length), 117700#(<= (+ main_offset 39896) main_length), 117703#(<= (+ main_offset 39884) main_length), 117702#(<= (+ main_offset 39888) main_length), 117705#(<= (+ main_offset 39876) main_length), 117704#(<= (+ main_offset 39880) main_length), 117707#(<= (+ main_offset 39868) main_length), 117706#(<= (+ main_offset 39872) main_length), 117709#(<= (+ main_offset 39860) main_length), 117708#(<= (+ main_offset 39864) main_length), 117711#(<= (+ main_offset 39852) main_length), 117710#(<= (+ main_offset 39856) main_length), 117713#(<= (+ main_offset 39844) main_length), 117712#(<= (+ main_offset 39848) main_length), 117715#(<= (+ main_offset 39836) main_length), 117714#(<= (+ main_offset 39840) main_length), 117717#(<= (+ main_offset 39828) main_length), 117716#(<= (+ main_offset 39832) main_length), 117719#(<= (+ main_offset 39820) main_length), 117718#(<= (+ main_offset 39824) main_length), 117721#(<= (+ main_offset 39812) main_length), 117720#(<= (+ main_offset 39816) main_length), 117723#(<= (+ main_offset 39804) main_length), 117722#(<= (+ main_offset 39808) main_length), 117725#(<= (+ main_offset 39796) main_length), 117724#(<= (+ main_offset 39800) main_length), 117727#(<= (+ main_offset 39788) main_length), 117726#(<= (+ main_offset 39792) main_length), 117729#(<= (+ main_offset 39780) main_length), 117728#(<= (+ main_offset 39784) main_length), 117731#(<= (+ main_offset 39772) main_length), 117730#(<= (+ main_offset 39776) main_length), 117733#(<= (+ main_offset 39764) main_length), 117732#(<= (+ main_offset 39768) main_length), 117735#(<= (+ main_offset 39756) main_length), 117734#(<= (+ main_offset 39760) main_length), 117737#(<= (+ main_offset 39748) main_length), 117736#(<= (+ main_offset 39752) main_length), 117739#(<= (+ main_offset 39740) main_length), 117738#(<= (+ main_offset 39744) main_length), 117741#(<= (+ main_offset 39732) main_length), 117740#(<= (+ main_offset 39736) main_length), 117743#(<= (+ main_offset 39724) main_length), 117742#(<= (+ main_offset 39728) main_length), 117745#(<= (+ main_offset 39716) main_length), 117744#(<= (+ main_offset 39720) main_length), 117747#(<= (+ main_offset 39708) main_length), 117746#(<= (+ main_offset 39712) main_length), 117749#(<= (+ main_offset 39700) main_length), 117748#(<= (+ main_offset 39704) main_length), 117751#(<= (+ main_offset 39692) main_length), 117750#(<= (+ main_offset 39696) main_length), 117753#(<= (+ main_offset 39684) main_length), 117752#(<= (+ main_offset 39688) main_length), 117755#(<= (+ main_offset 39676) main_length), 117754#(<= (+ main_offset 39680) main_length), 117757#(<= (+ main_offset 39668) main_length), 117756#(<= (+ main_offset 39672) main_length), 117759#(<= (+ main_offset 39660) main_length), 117758#(<= (+ main_offset 39664) main_length)] [2018-07-23 13:55:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,753 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:55:56,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:55:56,756 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:55:56,757 INFO L87 Difference]: Start difference. First operand 322 states and 322 transitions. Second operand 162 states. [2018-07-23 13:55:57,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:57,076 INFO L93 Difference]: Finished difference Result 325 states and 325 transitions. [2018-07-23 13:55:57,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:55:57,076 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 321 [2018-07-23 13:55:57,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:57,077 INFO L225 Difference]: With dead ends: 325 [2018-07-23 13:55:57,077 INFO L226 Difference]: Without dead ends: 324 [2018-07-23 13:55:57,078 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:55:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-07-23 13:55:57,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2018-07-23 13:55:57,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-07-23 13:55:57,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 324 transitions. [2018-07-23 13:55:57,082 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 324 transitions. Word has length 321 [2018-07-23 13:55:57,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:57,082 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 324 transitions. [2018-07-23 13:55:57,082 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:55:57,082 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 324 transitions. [2018-07-23 13:55:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-07-23 13:55:57,083 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:57,083 INFO L357 BasicCegarLoop]: trace histogram [161, 160, 1, 1] [2018-07-23 13:55:57,083 INFO L414 AbstractCegarLoop]: === Iteration 161 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:57,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1329972768, now seen corresponding path program 160 times [2018-07-23 13:55:57,084 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,142 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:58,143 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:55:58,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,143 INFO L185 omatonBuilderFactory]: Interpolants [119133#false, 119132#true, 119135#(<= (+ main_offset 39996) main_length), 119134#(<= (+ main_offset 40000) main_length), 119137#(<= (+ main_offset 39988) main_length), 119136#(<= (+ main_offset 39992) main_length), 119139#(<= (+ main_offset 39980) main_length), 119138#(<= (+ main_offset 39984) main_length), 119141#(<= (+ main_offset 39972) main_length), 119140#(<= (+ main_offset 39976) main_length), 119143#(<= (+ main_offset 39964) main_length), 119142#(<= (+ main_offset 39968) main_length), 119145#(<= (+ main_offset 39956) main_length), 119144#(<= (+ main_offset 39960) main_length), 119147#(<= (+ main_offset 39948) main_length), 119146#(<= (+ main_offset 39952) main_length), 119149#(<= (+ main_offset 39940) main_length), 119148#(<= (+ main_offset 39944) main_length), 119151#(<= (+ main_offset 39932) main_length), 119150#(<= (+ main_offset 39936) main_length), 119153#(<= (+ main_offset 39924) main_length), 119152#(<= (+ main_offset 39928) main_length), 119155#(<= (+ main_offset 39916) main_length), 119154#(<= (+ main_offset 39920) main_length), 119157#(<= (+ main_offset 39908) main_length), 119156#(<= (+ main_offset 39912) main_length), 119159#(<= (+ main_offset 39900) main_length), 119158#(<= (+ main_offset 39904) main_length), 119161#(<= (+ main_offset 39892) main_length), 119160#(<= (+ main_offset 39896) main_length), 119163#(<= (+ main_offset 39884) main_length), 119162#(<= (+ main_offset 39888) main_length), 119165#(<= (+ main_offset 39876) main_length), 119164#(<= (+ main_offset 39880) main_length), 119167#(<= (+ main_offset 39868) main_length), 119166#(<= (+ main_offset 39872) main_length), 119169#(<= (+ main_offset 39860) main_length), 119168#(<= (+ main_offset 39864) main_length), 119171#(<= (+ main_offset 39852) main_length), 119170#(<= (+ main_offset 39856) main_length), 119173#(<= (+ main_offset 39844) main_length), 119172#(<= (+ main_offset 39848) main_length), 119175#(<= (+ main_offset 39836) main_length), 119174#(<= (+ main_offset 39840) main_length), 119177#(<= (+ main_offset 39828) main_length), 119176#(<= (+ main_offset 39832) main_length), 119179#(<= (+ main_offset 39820) main_length), 119178#(<= (+ main_offset 39824) main_length), 119181#(<= (+ main_offset 39812) main_length), 119180#(<= (+ main_offset 39816) main_length), 119183#(<= (+ main_offset 39804) main_length), 119182#(<= (+ main_offset 39808) main_length), 119185#(<= (+ main_offset 39796) main_length), 119184#(<= (+ main_offset 39800) main_length), 119187#(<= (+ main_offset 39788) main_length), 119186#(<= (+ main_offset 39792) main_length), 119189#(<= (+ main_offset 39780) main_length), 119188#(<= (+ main_offset 39784) main_length), 119191#(<= (+ main_offset 39772) main_length), 119190#(<= (+ main_offset 39776) main_length), 119193#(<= (+ main_offset 39764) main_length), 119192#(<= (+ main_offset 39768) main_length), 119195#(<= (+ main_offset 39756) main_length), 119194#(<= (+ main_offset 39760) main_length), 119197#(<= (+ main_offset 39748) main_length), 119196#(<= (+ main_offset 39752) main_length), 119199#(<= (+ main_offset 39740) main_length), 119198#(<= (+ main_offset 39744) main_length), 119201#(<= (+ main_offset 39732) main_length), 119200#(<= (+ main_offset 39736) main_length), 119203#(<= (+ main_offset 39724) main_length), 119202#(<= (+ main_offset 39728) main_length), 119205#(<= (+ main_offset 39716) main_length), 119204#(<= (+ main_offset 39720) main_length), 119207#(<= (+ main_offset 39708) main_length), 119206#(<= (+ main_offset 39712) main_length), 119209#(<= (+ main_offset 39700) main_length), 119208#(<= (+ main_offset 39704) main_length), 119211#(<= (+ main_offset 39692) main_length), 119210#(<= (+ main_offset 39696) main_length), 119213#(<= (+ main_offset 39684) main_length), 119212#(<= (+ main_offset 39688) main_length), 119215#(<= (+ main_offset 39676) main_length), 119214#(<= (+ main_offset 39680) main_length), 119217#(<= (+ main_offset 39668) main_length), 119216#(<= (+ main_offset 39672) main_length), 119219#(<= (+ main_offset 39660) main_length), 119218#(<= (+ main_offset 39664) main_length), 119221#(<= (+ main_offset 39652) main_length), 119220#(<= (+ main_offset 39656) main_length), 119223#(<= (+ main_offset 39644) main_length), 119222#(<= (+ main_offset 39648) main_length), 119225#(<= (+ main_offset 39636) main_length), 119224#(<= (+ main_offset 39640) main_length), 119227#(<= (+ main_offset 39628) main_length), 119226#(<= (+ main_offset 39632) main_length), 119229#(<= (+ main_offset 39620) main_length), 119228#(<= (+ main_offset 39624) main_length), 119231#(<= (+ main_offset 39612) main_length), 119230#(<= (+ main_offset 39616) main_length), 119233#(<= (+ main_offset 39604) main_length), 119232#(<= (+ main_offset 39608) main_length), 119235#(<= (+ main_offset 39596) main_length), 119234#(<= (+ main_offset 39600) main_length), 119237#(<= (+ main_offset 39588) main_length), 119236#(<= (+ main_offset 39592) main_length), 119239#(<= (+ main_offset 39580) main_length), 119238#(<= (+ main_offset 39584) main_length), 119241#(<= (+ main_offset 39572) main_length), 119240#(<= (+ main_offset 39576) main_length), 119243#(<= (+ main_offset 39564) main_length), 119242#(<= (+ main_offset 39568) main_length), 119245#(<= (+ main_offset 39556) main_length), 119244#(<= (+ main_offset 39560) main_length), 119247#(<= (+ main_offset 39548) main_length), 119246#(<= (+ main_offset 39552) main_length), 119249#(<= (+ main_offset 39540) main_length), 119248#(<= (+ main_offset 39544) main_length), 119251#(<= (+ main_offset 39532) main_length), 119250#(<= (+ main_offset 39536) main_length), 119253#(<= (+ main_offset 39524) main_length), 119252#(<= (+ main_offset 39528) main_length), 119255#(<= (+ main_offset 39516) main_length), 119254#(<= (+ main_offset 39520) main_length), 119257#(<= (+ main_offset 39508) main_length), 119256#(<= (+ main_offset 39512) main_length), 119259#(<= (+ main_offset 39500) main_length), 119258#(<= (+ main_offset 39504) main_length), 119261#(<= (+ main_offset 39492) main_length), 119260#(<= (+ main_offset 39496) main_length), 119263#(<= (+ main_offset 39484) main_length), 119262#(<= (+ main_offset 39488) main_length), 119265#(<= (+ main_offset 39476) main_length), 119264#(<= (+ main_offset 39480) main_length), 119267#(<= (+ main_offset 39468) main_length), 119266#(<= (+ main_offset 39472) main_length), 119269#(<= (+ main_offset 39460) main_length), 119268#(<= (+ main_offset 39464) main_length), 119271#(<= (+ main_offset 39452) main_length), 119270#(<= (+ main_offset 39456) main_length), 119273#(<= (+ main_offset 39444) main_length), 119272#(<= (+ main_offset 39448) main_length), 119275#(<= (+ main_offset 39436) main_length), 119274#(<= (+ main_offset 39440) main_length), 119277#(<= (+ main_offset 39428) main_length), 119276#(<= (+ main_offset 39432) main_length), 119279#(<= (+ main_offset 39420) main_length), 119278#(<= (+ main_offset 39424) main_length), 119281#(<= (+ main_offset 39412) main_length), 119280#(<= (+ main_offset 39416) main_length), 119283#(<= (+ main_offset 39404) main_length), 119282#(<= (+ main_offset 39408) main_length), 119285#(<= (+ main_offset 39396) main_length), 119284#(<= (+ main_offset 39400) main_length), 119287#(<= (+ main_offset 39388) main_length), 119286#(<= (+ main_offset 39392) main_length), 119289#(<= (+ main_offset 39380) main_length), 119288#(<= (+ main_offset 39384) main_length), 119291#(<= (+ main_offset 39372) main_length), 119290#(<= (+ main_offset 39376) main_length), 119293#(<= (+ main_offset 39364) main_length), 119292#(<= (+ main_offset 39368) main_length), 119294#(<= (+ main_offset 39360) main_length)] [2018-07-23 13:55:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,145 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:55:58,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:55:58,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:55:58,148 INFO L87 Difference]: Start difference. First operand 324 states and 324 transitions. Second operand 163 states. [2018-07-23 13:55:59,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:59,130 INFO L93 Difference]: Finished difference Result 327 states and 327 transitions. [2018-07-23 13:55:59,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:55:59,131 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 323 [2018-07-23 13:55:59,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:59,131 INFO L225 Difference]: With dead ends: 327 [2018-07-23 13:55:59,131 INFO L226 Difference]: Without dead ends: 326 [2018-07-23 13:55:59,133 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:55:59,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-07-23 13:55:59,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2018-07-23 13:55:59,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2018-07-23 13:55:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 326 transitions. [2018-07-23 13:55:59,138 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 326 transitions. Word has length 323 [2018-07-23 13:55:59,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:59,139 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 326 transitions. [2018-07-23 13:55:59,139 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:55:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 326 transitions. [2018-07-23 13:55:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-07-23 13:55:59,140 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:59,140 INFO L357 BasicCegarLoop]: trace histogram [162, 161, 1, 1] [2018-07-23 13:55:59,140 INFO L414 AbstractCegarLoop]: === Iteration 162 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:59,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1796423070, now seen corresponding path program 161 times [2018-07-23 13:55:59,140 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,181 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:00,182 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:56:00,182 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:00,182 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 13:56:00,182 INFO L185 omatonBuilderFactory]: Interpolants [120601#true, 120603#(<= (+ main_offset 40000) main_length), 120602#false, 120605#(<= (+ main_offset 39992) main_length), 120604#(<= (+ main_offset 39996) main_length), 120607#(<= (+ main_offset 39984) main_length), 120606#(<= (+ main_offset 39988) main_length), 120609#(<= (+ main_offset 39976) main_length), 120608#(<= (+ main_offset 39980) main_length), 120611#(<= (+ main_offset 39968) main_length), 120610#(<= (+ main_offset 39972) main_length), 120613#(<= (+ main_offset 39960) main_length), 120612#(<= (+ main_offset 39964) main_length), 120615#(<= (+ main_offset 39952) main_length), 120614#(<= (+ main_offset 39956) main_length), 120617#(<= (+ main_offset 39944) main_length), 120616#(<= (+ main_offset 39948) main_length), 120619#(<= (+ main_offset 39936) main_length), 120618#(<= (+ main_offset 39940) main_length), 120621#(<= (+ main_offset 39928) main_length), 120620#(<= (+ main_offset 39932) main_length), 120623#(<= (+ main_offset 39920) main_length), 120622#(<= (+ main_offset 39924) main_length), 120625#(<= (+ main_offset 39912) main_length), 120624#(<= (+ main_offset 39916) main_length), 120627#(<= (+ main_offset 39904) main_length), 120626#(<= (+ main_offset 39908) main_length), 120629#(<= (+ main_offset 39896) main_length), 120628#(<= (+ main_offset 39900) main_length), 120631#(<= (+ main_offset 39888) main_length), 120630#(<= (+ main_offset 39892) main_length), 120633#(<= (+ main_offset 39880) main_length), 120632#(<= (+ main_offset 39884) main_length), 120635#(<= (+ main_offset 39872) main_length), 120634#(<= (+ main_offset 39876) main_length), 120637#(<= (+ main_offset 39864) main_length), 120636#(<= (+ main_offset 39868) main_length), 120639#(<= (+ main_offset 39856) main_length), 120638#(<= (+ main_offset 39860) main_length), 120641#(<= (+ main_offset 39848) main_length), 120640#(<= (+ main_offset 39852) main_length), 120643#(<= (+ main_offset 39840) main_length), 120642#(<= (+ main_offset 39844) main_length), 120645#(<= (+ main_offset 39832) main_length), 120644#(<= (+ main_offset 39836) main_length), 120647#(<= (+ main_offset 39824) main_length), 120646#(<= (+ main_offset 39828) main_length), 120649#(<= (+ main_offset 39816) main_length), 120648#(<= (+ main_offset 39820) main_length), 120651#(<= (+ main_offset 39808) main_length), 120650#(<= (+ main_offset 39812) main_length), 120653#(<= (+ main_offset 39800) main_length), 120652#(<= (+ main_offset 39804) main_length), 120655#(<= (+ main_offset 39792) main_length), 120654#(<= (+ main_offset 39796) main_length), 120657#(<= (+ main_offset 39784) main_length), 120656#(<= (+ main_offset 39788) main_length), 120659#(<= (+ main_offset 39776) main_length), 120658#(<= (+ main_offset 39780) main_length), 120661#(<= (+ main_offset 39768) main_length), 120660#(<= (+ main_offset 39772) main_length), 120663#(<= (+ main_offset 39760) main_length), 120662#(<= (+ main_offset 39764) main_length), 120665#(<= (+ main_offset 39752) main_length), 120664#(<= (+ main_offset 39756) main_length), 120667#(<= (+ main_offset 39744) main_length), 120666#(<= (+ main_offset 39748) main_length), 120669#(<= (+ main_offset 39736) main_length), 120668#(<= (+ main_offset 39740) main_length), 120671#(<= (+ main_offset 39728) main_length), 120670#(<= (+ main_offset 39732) main_length), 120673#(<= (+ main_offset 39720) main_length), 120672#(<= (+ main_offset 39724) main_length), 120675#(<= (+ main_offset 39712) main_length), 120674#(<= (+ main_offset 39716) main_length), 120677#(<= (+ main_offset 39704) main_length), 120676#(<= (+ main_offset 39708) main_length), 120679#(<= (+ main_offset 39696) main_length), 120678#(<= (+ main_offset 39700) main_length), 120681#(<= (+ main_offset 39688) main_length), 120680#(<= (+ main_offset 39692) main_length), 120683#(<= (+ main_offset 39680) main_length), 120682#(<= (+ main_offset 39684) main_length), 120685#(<= (+ main_offset 39672) main_length), 120684#(<= (+ main_offset 39676) main_length), 120687#(<= (+ main_offset 39664) main_length), 120686#(<= (+ main_offset 39668) main_length), 120689#(<= (+ main_offset 39656) main_length), 120688#(<= (+ main_offset 39660) main_length), 120691#(<= (+ main_offset 39648) main_length), 120690#(<= (+ main_offset 39652) main_length), 120693#(<= (+ main_offset 39640) main_length), 120692#(<= (+ main_offset 39644) main_length), 120695#(<= (+ main_offset 39632) main_length), 120694#(<= (+ main_offset 39636) main_length), 120697#(<= (+ main_offset 39624) main_length), 120696#(<= (+ main_offset 39628) main_length), 120699#(<= (+ main_offset 39616) main_length), 120698#(<= (+ main_offset 39620) main_length), 120701#(<= (+ main_offset 39608) main_length), 120700#(<= (+ main_offset 39612) main_length), 120703#(<= (+ main_offset 39600) main_length), 120702#(<= (+ main_offset 39604) main_length), 120705#(<= (+ main_offset 39592) main_length), 120704#(<= (+ main_offset 39596) main_length), 120707#(<= (+ main_offset 39584) main_length), 120706#(<= (+ main_offset 39588) main_length), 120709#(<= (+ main_offset 39576) main_length), 120708#(<= (+ main_offset 39580) main_length), 120711#(<= (+ main_offset 39568) main_length), 120710#(<= (+ main_offset 39572) main_length), 120713#(<= (+ main_offset 39560) main_length), 120712#(<= (+ main_offset 39564) main_length), 120715#(<= (+ main_offset 39552) main_length), 120714#(<= (+ main_offset 39556) main_length), 120717#(<= (+ main_offset 39544) main_length), 120716#(<= (+ main_offset 39548) main_length), 120719#(<= (+ main_offset 39536) main_length), 120718#(<= (+ main_offset 39540) main_length), 120721#(<= (+ main_offset 39528) main_length), 120720#(<= (+ main_offset 39532) main_length), 120723#(<= (+ main_offset 39520) main_length), 120722#(<= (+ main_offset 39524) main_length), 120725#(<= (+ main_offset 39512) main_length), 120724#(<= (+ main_offset 39516) main_length), 120727#(<= (+ main_offset 39504) main_length), 120726#(<= (+ main_offset 39508) main_length), 120729#(<= (+ main_offset 39496) main_length), 120728#(<= (+ main_offset 39500) main_length), 120731#(<= (+ main_offset 39488) main_length), 120730#(<= (+ main_offset 39492) main_length), 120733#(<= (+ main_offset 39480) main_length), 120732#(<= (+ main_offset 39484) main_length), 120735#(<= (+ main_offset 39472) main_length), 120734#(<= (+ main_offset 39476) main_length), 120737#(<= (+ main_offset 39464) main_length), 120736#(<= (+ main_offset 39468) main_length), 120739#(<= (+ main_offset 39456) main_length), 120738#(<= (+ main_offset 39460) main_length), 120741#(<= (+ main_offset 39448) main_length), 120740#(<= (+ main_offset 39452) main_length), 120743#(<= (+ main_offset 39440) main_length), 120742#(<= (+ main_offset 39444) main_length), 120745#(<= (+ main_offset 39432) main_length), 120744#(<= (+ main_offset 39436) main_length), 120747#(<= (+ main_offset 39424) main_length), 120746#(<= (+ main_offset 39428) main_length), 120749#(<= (+ main_offset 39416) main_length), 120748#(<= (+ main_offset 39420) main_length), 120751#(<= (+ main_offset 39408) main_length), 120750#(<= (+ main_offset 39412) main_length), 120753#(<= (+ main_offset 39400) main_length), 120752#(<= (+ main_offset 39404) main_length), 120755#(<= (+ main_offset 39392) main_length), 120754#(<= (+ main_offset 39396) main_length), 120757#(<= (+ main_offset 39384) main_length), 120756#(<= (+ main_offset 39388) main_length), 120759#(<= (+ main_offset 39376) main_length), 120758#(<= (+ main_offset 39380) main_length), 120761#(<= (+ main_offset 39368) main_length), 120760#(<= (+ main_offset 39372) main_length), 120763#(<= (+ main_offset 39360) main_length), 120762#(<= (+ main_offset 39364) main_length), 120764#(<= (+ main_offset 39356) main_length)] [2018-07-23 13:56:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,184 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:56:00,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:56:00,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:56:00,187 INFO L87 Difference]: Start difference. First operand 326 states and 326 transitions. Second operand 164 states. [2018-07-23 13:56:01,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:01,214 INFO L93 Difference]: Finished difference Result 329 states and 329 transitions. [2018-07-23 13:56:01,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:56:01,214 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 325 [2018-07-23 13:56:01,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:01,215 INFO L225 Difference]: With dead ends: 329 [2018-07-23 13:56:01,215 INFO L226 Difference]: Without dead ends: 328 [2018-07-23 13:56:01,216 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:56:01,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-07-23 13:56:01,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2018-07-23 13:56:01,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-07-23 13:56:01,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 328 transitions. [2018-07-23 13:56:01,221 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 328 transitions. Word has length 325 [2018-07-23 13:56:01,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:01,221 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 328 transitions. [2018-07-23 13:56:01,221 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:56:01,221 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 328 transitions. [2018-07-23 13:56:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-07-23 13:56:01,222 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:01,222 INFO L357 BasicCegarLoop]: trace histogram [163, 162, 1, 1] [2018-07-23 13:56:01,222 INFO L414 AbstractCegarLoop]: === Iteration 163 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:01,222 INFO L82 PathProgramCache]: Analyzing trace with hash 214283812, now seen corresponding path program 162 times [2018-07-23 13:56:01,222 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 26406 backedges. 0 proven. 26406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,352 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:02,352 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:56:02,352 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,353 INFO L185 omatonBuilderFactory]: Interpolants [122113#(<= (+ main_offset 39872) main_length), 122112#(<= (+ main_offset 39876) main_length), 122115#(<= (+ main_offset 39864) main_length), 122114#(<= (+ main_offset 39868) main_length), 122117#(<= (+ main_offset 39856) main_length), 122116#(<= (+ main_offset 39860) main_length), 122119#(<= (+ main_offset 39848) main_length), 122118#(<= (+ main_offset 39852) main_length), 122121#(<= (+ main_offset 39840) main_length), 122120#(<= (+ main_offset 39844) main_length), 122123#(<= (+ main_offset 39832) main_length), 122122#(<= (+ main_offset 39836) main_length), 122125#(<= (+ main_offset 39824) main_length), 122124#(<= (+ main_offset 39828) main_length), 122127#(<= (+ main_offset 39816) main_length), 122126#(<= (+ main_offset 39820) main_length), 122129#(<= (+ main_offset 39808) main_length), 122128#(<= (+ main_offset 39812) main_length), 122131#(<= (+ main_offset 39800) main_length), 122130#(<= (+ main_offset 39804) main_length), 122133#(<= (+ main_offset 39792) main_length), 122132#(<= (+ main_offset 39796) main_length), 122135#(<= (+ main_offset 39784) main_length), 122134#(<= (+ main_offset 39788) main_length), 122137#(<= (+ main_offset 39776) main_length), 122136#(<= (+ main_offset 39780) main_length), 122139#(<= (+ main_offset 39768) main_length), 122138#(<= (+ main_offset 39772) main_length), 122141#(<= (+ main_offset 39760) main_length), 122140#(<= (+ main_offset 39764) main_length), 122143#(<= (+ main_offset 39752) main_length), 122142#(<= (+ main_offset 39756) main_length), 122145#(<= (+ main_offset 39744) main_length), 122144#(<= (+ main_offset 39748) main_length), 122147#(<= (+ main_offset 39736) main_length), 122146#(<= (+ main_offset 39740) main_length), 122149#(<= (+ main_offset 39728) main_length), 122148#(<= (+ main_offset 39732) main_length), 122151#(<= (+ main_offset 39720) main_length), 122150#(<= (+ main_offset 39724) main_length), 122153#(<= (+ main_offset 39712) main_length), 122152#(<= (+ main_offset 39716) main_length), 122155#(<= (+ main_offset 39704) main_length), 122154#(<= (+ main_offset 39708) main_length), 122157#(<= (+ main_offset 39696) main_length), 122156#(<= (+ main_offset 39700) main_length), 122159#(<= (+ main_offset 39688) main_length), 122158#(<= (+ main_offset 39692) main_length), 122161#(<= (+ main_offset 39680) main_length), 122160#(<= (+ main_offset 39684) main_length), 122163#(<= (+ main_offset 39672) main_length), 122162#(<= (+ main_offset 39676) main_length), 122165#(<= (+ main_offset 39664) main_length), 122164#(<= (+ main_offset 39668) main_length), 122167#(<= (+ main_offset 39656) main_length), 122166#(<= (+ main_offset 39660) main_length), 122169#(<= (+ main_offset 39648) main_length), 122168#(<= (+ main_offset 39652) main_length), 122171#(<= (+ main_offset 39640) main_length), 122170#(<= (+ main_offset 39644) main_length), 122173#(<= (+ main_offset 39632) main_length), 122172#(<= (+ main_offset 39636) main_length), 122175#(<= (+ main_offset 39624) main_length), 122174#(<= (+ main_offset 39628) main_length), 122177#(<= (+ main_offset 39616) main_length), 122176#(<= (+ main_offset 39620) main_length), 122179#(<= (+ main_offset 39608) main_length), 122178#(<= (+ main_offset 39612) main_length), 122181#(<= (+ main_offset 39600) main_length), 122180#(<= (+ main_offset 39604) main_length), 122183#(<= (+ main_offset 39592) main_length), 122182#(<= (+ main_offset 39596) main_length), 122185#(<= (+ main_offset 39584) main_length), 122184#(<= (+ main_offset 39588) main_length), 122187#(<= (+ main_offset 39576) main_length), 122186#(<= (+ main_offset 39580) main_length), 122189#(<= (+ main_offset 39568) main_length), 122188#(<= (+ main_offset 39572) main_length), 122191#(<= (+ main_offset 39560) main_length), 122190#(<= (+ main_offset 39564) main_length), 122193#(<= (+ main_offset 39552) main_length), 122192#(<= (+ main_offset 39556) main_length), 122195#(<= (+ main_offset 39544) main_length), 122194#(<= (+ main_offset 39548) main_length), 122197#(<= (+ main_offset 39536) main_length), 122196#(<= (+ main_offset 39540) main_length), 122199#(<= (+ main_offset 39528) main_length), 122198#(<= (+ main_offset 39532) main_length), 122201#(<= (+ main_offset 39520) main_length), 122200#(<= (+ main_offset 39524) main_length), 122203#(<= (+ main_offset 39512) main_length), 122202#(<= (+ main_offset 39516) main_length), 122205#(<= (+ main_offset 39504) main_length), 122204#(<= (+ main_offset 39508) main_length), 122207#(<= (+ main_offset 39496) main_length), 122206#(<= (+ main_offset 39500) main_length), 122209#(<= (+ main_offset 39488) main_length), 122208#(<= (+ main_offset 39492) main_length), 122211#(<= (+ main_offset 39480) main_length), 122210#(<= (+ main_offset 39484) main_length), 122213#(<= (+ main_offset 39472) main_length), 122212#(<= (+ main_offset 39476) main_length), 122215#(<= (+ main_offset 39464) main_length), 122214#(<= (+ main_offset 39468) main_length), 122217#(<= (+ main_offset 39456) main_length), 122216#(<= (+ main_offset 39460) main_length), 122219#(<= (+ main_offset 39448) main_length), 122218#(<= (+ main_offset 39452) main_length), 122221#(<= (+ main_offset 39440) main_length), 122220#(<= (+ main_offset 39444) main_length), 122223#(<= (+ main_offset 39432) main_length), 122222#(<= (+ main_offset 39436) main_length), 122225#(<= (+ main_offset 39424) main_length), 122224#(<= (+ main_offset 39428) main_length), 122227#(<= (+ main_offset 39416) main_length), 122226#(<= (+ main_offset 39420) main_length), 122229#(<= (+ main_offset 39408) main_length), 122228#(<= (+ main_offset 39412) main_length), 122231#(<= (+ main_offset 39400) main_length), 122230#(<= (+ main_offset 39404) main_length), 122233#(<= (+ main_offset 39392) main_length), 122232#(<= (+ main_offset 39396) main_length), 122235#(<= (+ main_offset 39384) main_length), 122234#(<= (+ main_offset 39388) main_length), 122237#(<= (+ main_offset 39376) main_length), 122236#(<= (+ main_offset 39380) main_length), 122239#(<= (+ main_offset 39368) main_length), 122238#(<= (+ main_offset 39372) main_length), 122241#(<= (+ main_offset 39360) main_length), 122240#(<= (+ main_offset 39364) main_length), 122243#(<= (+ main_offset 39352) main_length), 122242#(<= (+ main_offset 39356) main_length), 122079#true, 122081#(<= (+ main_offset 40000) main_length), 122080#false, 122083#(<= (+ main_offset 39992) main_length), 122082#(<= (+ main_offset 39996) main_length), 122085#(<= (+ main_offset 39984) main_length), 122084#(<= (+ main_offset 39988) main_length), 122087#(<= (+ main_offset 39976) main_length), 122086#(<= (+ main_offset 39980) main_length), 122089#(<= (+ main_offset 39968) main_length), 122088#(<= (+ main_offset 39972) main_length), 122091#(<= (+ main_offset 39960) main_length), 122090#(<= (+ main_offset 39964) main_length), 122093#(<= (+ main_offset 39952) main_length), 122092#(<= (+ main_offset 39956) main_length), 122095#(<= (+ main_offset 39944) main_length), 122094#(<= (+ main_offset 39948) main_length), 122097#(<= (+ main_offset 39936) main_length), 122096#(<= (+ main_offset 39940) main_length), 122099#(<= (+ main_offset 39928) main_length), 122098#(<= (+ main_offset 39932) main_length), 122101#(<= (+ main_offset 39920) main_length), 122100#(<= (+ main_offset 39924) main_length), 122103#(<= (+ main_offset 39912) main_length), 122102#(<= (+ main_offset 39916) main_length), 122105#(<= (+ main_offset 39904) main_length), 122104#(<= (+ main_offset 39908) main_length), 122107#(<= (+ main_offset 39896) main_length), 122106#(<= (+ main_offset 39900) main_length), 122109#(<= (+ main_offset 39888) main_length), 122108#(<= (+ main_offset 39892) main_length), 122111#(<= (+ main_offset 39880) main_length), 122110#(<= (+ main_offset 39884) main_length)] [2018-07-23 13:56:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 26406 backedges. 0 proven. 26406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,354 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:56:02,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:56:02,357 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:56:02,357 INFO L87 Difference]: Start difference. First operand 328 states and 328 transitions. Second operand 165 states. [2018-07-23 13:56:03,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:03,166 INFO L93 Difference]: Finished difference Result 331 states and 331 transitions. [2018-07-23 13:56:03,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:56:03,167 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 327 [2018-07-23 13:56:03,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:03,167 INFO L225 Difference]: With dead ends: 331 [2018-07-23 13:56:03,167 INFO L226 Difference]: Without dead ends: 330 [2018-07-23 13:56:03,169 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:56:03,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-07-23 13:56:03,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2018-07-23 13:56:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-07-23 13:56:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 330 transitions. [2018-07-23 13:56:03,173 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 330 transitions. Word has length 327 [2018-07-23 13:56:03,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:03,174 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 330 transitions. [2018-07-23 13:56:03,174 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:56:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 330 transitions. [2018-07-23 13:56:03,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-07-23 13:56:03,175 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:03,175 INFO L357 BasicCegarLoop]: trace histogram [164, 163, 1, 1] [2018-07-23 13:56:03,175 INFO L414 AbstractCegarLoop]: === Iteration 164 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash -231685786, now seen corresponding path program 163 times [2018-07-23 13:56:03,176 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:04,316 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 26732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,316 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:04,316 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:56:04,316 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:04,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,317 INFO L185 omatonBuilderFactory]: Interpolants [123649#(<= (+ main_offset 39676) main_length), 123648#(<= (+ main_offset 39680) main_length), 123651#(<= (+ main_offset 39668) main_length), 123650#(<= (+ main_offset 39672) main_length), 123653#(<= (+ main_offset 39660) main_length), 123652#(<= (+ main_offset 39664) main_length), 123655#(<= (+ main_offset 39652) main_length), 123654#(<= (+ main_offset 39656) main_length), 123657#(<= (+ main_offset 39644) main_length), 123656#(<= (+ main_offset 39648) main_length), 123659#(<= (+ main_offset 39636) main_length), 123658#(<= (+ main_offset 39640) main_length), 123661#(<= (+ main_offset 39628) main_length), 123660#(<= (+ main_offset 39632) main_length), 123663#(<= (+ main_offset 39620) main_length), 123662#(<= (+ main_offset 39624) main_length), 123665#(<= (+ main_offset 39612) main_length), 123664#(<= (+ main_offset 39616) main_length), 123667#(<= (+ main_offset 39604) main_length), 123666#(<= (+ main_offset 39608) main_length), 123669#(<= (+ main_offset 39596) main_length), 123668#(<= (+ main_offset 39600) main_length), 123671#(<= (+ main_offset 39588) main_length), 123670#(<= (+ main_offset 39592) main_length), 123673#(<= (+ main_offset 39580) main_length), 123672#(<= (+ main_offset 39584) main_length), 123675#(<= (+ main_offset 39572) main_length), 123674#(<= (+ main_offset 39576) main_length), 123677#(<= (+ main_offset 39564) main_length), 123676#(<= (+ main_offset 39568) main_length), 123679#(<= (+ main_offset 39556) main_length), 123678#(<= (+ main_offset 39560) main_length), 123681#(<= (+ main_offset 39548) main_length), 123680#(<= (+ main_offset 39552) main_length), 123683#(<= (+ main_offset 39540) main_length), 123682#(<= (+ main_offset 39544) main_length), 123685#(<= (+ main_offset 39532) main_length), 123684#(<= (+ main_offset 39536) main_length), 123687#(<= (+ main_offset 39524) main_length), 123686#(<= (+ main_offset 39528) main_length), 123689#(<= (+ main_offset 39516) main_length), 123688#(<= (+ main_offset 39520) main_length), 123691#(<= (+ main_offset 39508) main_length), 123690#(<= (+ main_offset 39512) main_length), 123693#(<= (+ main_offset 39500) main_length), 123692#(<= (+ main_offset 39504) main_length), 123695#(<= (+ main_offset 39492) main_length), 123694#(<= (+ main_offset 39496) main_length), 123697#(<= (+ main_offset 39484) main_length), 123696#(<= (+ main_offset 39488) main_length), 123699#(<= (+ main_offset 39476) main_length), 123698#(<= (+ main_offset 39480) main_length), 123701#(<= (+ main_offset 39468) main_length), 123700#(<= (+ main_offset 39472) main_length), 123703#(<= (+ main_offset 39460) main_length), 123702#(<= (+ main_offset 39464) main_length), 123705#(<= (+ main_offset 39452) main_length), 123704#(<= (+ main_offset 39456) main_length), 123707#(<= (+ main_offset 39444) main_length), 123706#(<= (+ main_offset 39448) main_length), 123709#(<= (+ main_offset 39436) main_length), 123708#(<= (+ main_offset 39440) main_length), 123711#(<= (+ main_offset 39428) main_length), 123710#(<= (+ main_offset 39432) main_length), 123713#(<= (+ main_offset 39420) main_length), 123712#(<= (+ main_offset 39424) main_length), 123715#(<= (+ main_offset 39412) main_length), 123714#(<= (+ main_offset 39416) main_length), 123717#(<= (+ main_offset 39404) main_length), 123716#(<= (+ main_offset 39408) main_length), 123719#(<= (+ main_offset 39396) main_length), 123718#(<= (+ main_offset 39400) main_length), 123721#(<= (+ main_offset 39388) main_length), 123720#(<= (+ main_offset 39392) main_length), 123723#(<= (+ main_offset 39380) main_length), 123722#(<= (+ main_offset 39384) main_length), 123725#(<= (+ main_offset 39372) main_length), 123724#(<= (+ main_offset 39376) main_length), 123727#(<= (+ main_offset 39364) main_length), 123726#(<= (+ main_offset 39368) main_length), 123729#(<= (+ main_offset 39356) main_length), 123728#(<= (+ main_offset 39360) main_length), 123731#(<= (+ main_offset 39348) main_length), 123730#(<= (+ main_offset 39352) main_length), 123567#false, 123566#true, 123569#(<= (+ main_offset 39996) main_length), 123568#(<= (+ main_offset 40000) main_length), 123571#(<= (+ main_offset 39988) main_length), 123570#(<= (+ main_offset 39992) main_length), 123573#(<= (+ main_offset 39980) main_length), 123572#(<= (+ main_offset 39984) main_length), 123575#(<= (+ main_offset 39972) main_length), 123574#(<= (+ main_offset 39976) main_length), 123577#(<= (+ main_offset 39964) main_length), 123576#(<= (+ main_offset 39968) main_length), 123579#(<= (+ main_offset 39956) main_length), 123578#(<= (+ main_offset 39960) main_length), 123581#(<= (+ main_offset 39948) main_length), 123580#(<= (+ main_offset 39952) main_length), 123583#(<= (+ main_offset 39940) main_length), 123582#(<= (+ main_offset 39944) main_length), 123585#(<= (+ main_offset 39932) main_length), 123584#(<= (+ main_offset 39936) main_length), 123587#(<= (+ main_offset 39924) main_length), 123586#(<= (+ main_offset 39928) main_length), 123589#(<= (+ main_offset 39916) main_length), 123588#(<= (+ main_offset 39920) main_length), 123591#(<= (+ main_offset 39908) main_length), 123590#(<= (+ main_offset 39912) main_length), 123593#(<= (+ main_offset 39900) main_length), 123592#(<= (+ main_offset 39904) main_length), 123595#(<= (+ main_offset 39892) main_length), 123594#(<= (+ main_offset 39896) main_length), 123597#(<= (+ main_offset 39884) main_length), 123596#(<= (+ main_offset 39888) main_length), 123599#(<= (+ main_offset 39876) main_length), 123598#(<= (+ main_offset 39880) main_length), 123601#(<= (+ main_offset 39868) main_length), 123600#(<= (+ main_offset 39872) main_length), 123603#(<= (+ main_offset 39860) main_length), 123602#(<= (+ main_offset 39864) main_length), 123605#(<= (+ main_offset 39852) main_length), 123604#(<= (+ main_offset 39856) main_length), 123607#(<= (+ main_offset 39844) main_length), 123606#(<= (+ main_offset 39848) main_length), 123609#(<= (+ main_offset 39836) main_length), 123608#(<= (+ main_offset 39840) main_length), 123611#(<= (+ main_offset 39828) main_length), 123610#(<= (+ main_offset 39832) main_length), 123613#(<= (+ main_offset 39820) main_length), 123612#(<= (+ main_offset 39824) main_length), 123615#(<= (+ main_offset 39812) main_length), 123614#(<= (+ main_offset 39816) main_length), 123617#(<= (+ main_offset 39804) main_length), 123616#(<= (+ main_offset 39808) main_length), 123619#(<= (+ main_offset 39796) main_length), 123618#(<= (+ main_offset 39800) main_length), 123621#(<= (+ main_offset 39788) main_length), 123620#(<= (+ main_offset 39792) main_length), 123623#(<= (+ main_offset 39780) main_length), 123622#(<= (+ main_offset 39784) main_length), 123625#(<= (+ main_offset 39772) main_length), 123624#(<= (+ main_offset 39776) main_length), 123627#(<= (+ main_offset 39764) main_length), 123626#(<= (+ main_offset 39768) main_length), 123629#(<= (+ main_offset 39756) main_length), 123628#(<= (+ main_offset 39760) main_length), 123631#(<= (+ main_offset 39748) main_length), 123630#(<= (+ main_offset 39752) main_length), 123633#(<= (+ main_offset 39740) main_length), 123632#(<= (+ main_offset 39744) main_length), 123635#(<= (+ main_offset 39732) main_length), 123634#(<= (+ main_offset 39736) main_length), 123637#(<= (+ main_offset 39724) main_length), 123636#(<= (+ main_offset 39728) main_length), 123639#(<= (+ main_offset 39716) main_length), 123638#(<= (+ main_offset 39720) main_length), 123641#(<= (+ main_offset 39708) main_length), 123640#(<= (+ main_offset 39712) main_length), 123643#(<= (+ main_offset 39700) main_length), 123642#(<= (+ main_offset 39704) main_length), 123645#(<= (+ main_offset 39692) main_length), 123644#(<= (+ main_offset 39696) main_length), 123647#(<= (+ main_offset 39684) main_length), 123646#(<= (+ main_offset 39688) main_length)] [2018-07-23 13:56:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 26732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,318 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:56:04,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:56:04,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:56:04,320 INFO L87 Difference]: Start difference. First operand 330 states and 330 transitions. Second operand 166 states. [2018-07-23 13:56:04,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:04,663 INFO L93 Difference]: Finished difference Result 333 states and 333 transitions. [2018-07-23 13:56:04,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:56:04,663 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 329 [2018-07-23 13:56:04,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:04,664 INFO L225 Difference]: With dead ends: 333 [2018-07-23 13:56:04,664 INFO L226 Difference]: Without dead ends: 332 [2018-07-23 13:56:04,665 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:56:04,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-07-23 13:56:04,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2018-07-23 13:56:04,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-07-23 13:56:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 332 transitions. [2018-07-23 13:56:04,671 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 332 transitions. Word has length 329 [2018-07-23 13:56:04,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:04,672 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 332 transitions. [2018-07-23 13:56:04,672 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:56:04,672 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 332 transitions. [2018-07-23 13:56:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-07-23 13:56:04,673 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:04,674 INFO L357 BasicCegarLoop]: trace histogram [165, 164, 1, 1] [2018-07-23 13:56:04,674 INFO L414 AbstractCegarLoop]: === Iteration 165 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:04,674 INFO L82 PathProgramCache]: Analyzing trace with hash 688260136, now seen corresponding path program 164 times [2018-07-23 13:56:04,674 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 27060 backedges. 0 proven. 27060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:05,916 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:05,916 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:56:05,917 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:05,917 INFO L185 omatonBuilderFactory]: Interpolants [125185#(<= (+ main_offset 39516) main_length), 125184#(<= (+ main_offset 39520) main_length), 125187#(<= (+ main_offset 39508) main_length), 125186#(<= (+ main_offset 39512) main_length), 125189#(<= (+ main_offset 39500) main_length), 125188#(<= (+ main_offset 39504) main_length), 125191#(<= (+ main_offset 39492) main_length), 125190#(<= (+ main_offset 39496) main_length), 125193#(<= (+ main_offset 39484) main_length), 125192#(<= (+ main_offset 39488) main_length), 125195#(<= (+ main_offset 39476) main_length), 125194#(<= (+ main_offset 39480) main_length), 125197#(<= (+ main_offset 39468) main_length), 125196#(<= (+ main_offset 39472) main_length), 125199#(<= (+ main_offset 39460) main_length), 125198#(<= (+ main_offset 39464) main_length), 125201#(<= (+ main_offset 39452) main_length), 125200#(<= (+ main_offset 39456) main_length), 125203#(<= (+ main_offset 39444) main_length), 125202#(<= (+ main_offset 39448) main_length), 125205#(<= (+ main_offset 39436) main_length), 125204#(<= (+ main_offset 39440) main_length), 125207#(<= (+ main_offset 39428) main_length), 125206#(<= (+ main_offset 39432) main_length), 125209#(<= (+ main_offset 39420) main_length), 125208#(<= (+ main_offset 39424) main_length), 125211#(<= (+ main_offset 39412) main_length), 125210#(<= (+ main_offset 39416) main_length), 125213#(<= (+ main_offset 39404) main_length), 125212#(<= (+ main_offset 39408) main_length), 125215#(<= (+ main_offset 39396) main_length), 125214#(<= (+ main_offset 39400) main_length), 125217#(<= (+ main_offset 39388) main_length), 125216#(<= (+ main_offset 39392) main_length), 125219#(<= (+ main_offset 39380) main_length), 125218#(<= (+ main_offset 39384) main_length), 125221#(<= (+ main_offset 39372) main_length), 125220#(<= (+ main_offset 39376) main_length), 125223#(<= (+ main_offset 39364) main_length), 125222#(<= (+ main_offset 39368) main_length), 125225#(<= (+ main_offset 39356) main_length), 125224#(<= (+ main_offset 39360) main_length), 125227#(<= (+ main_offset 39348) main_length), 125226#(<= (+ main_offset 39352) main_length), 125228#(<= (+ main_offset 39344) main_length), 125063#false, 125062#true, 125065#(<= (+ main_offset 39996) main_length), 125064#(<= (+ main_offset 40000) main_length), 125067#(<= (+ main_offset 39988) main_length), 125066#(<= (+ main_offset 39992) main_length), 125069#(<= (+ main_offset 39980) main_length), 125068#(<= (+ main_offset 39984) main_length), 125071#(<= (+ main_offset 39972) main_length), 125070#(<= (+ main_offset 39976) main_length), 125073#(<= (+ main_offset 39964) main_length), 125072#(<= (+ main_offset 39968) main_length), 125075#(<= (+ main_offset 39956) main_length), 125074#(<= (+ main_offset 39960) main_length), 125077#(<= (+ main_offset 39948) main_length), 125076#(<= (+ main_offset 39952) main_length), 125079#(<= (+ main_offset 39940) main_length), 125078#(<= (+ main_offset 39944) main_length), 125081#(<= (+ main_offset 39932) main_length), 125080#(<= (+ main_offset 39936) main_length), 125083#(<= (+ main_offset 39924) main_length), 125082#(<= (+ main_offset 39928) main_length), 125085#(<= (+ main_offset 39916) main_length), 125084#(<= (+ main_offset 39920) main_length), 125087#(<= (+ main_offset 39908) main_length), 125086#(<= (+ main_offset 39912) main_length), 125089#(<= (+ main_offset 39900) main_length), 125088#(<= (+ main_offset 39904) main_length), 125091#(<= (+ main_offset 39892) main_length), 125090#(<= (+ main_offset 39896) main_length), 125093#(<= (+ main_offset 39884) main_length), 125092#(<= (+ main_offset 39888) main_length), 125095#(<= (+ main_offset 39876) main_length), 125094#(<= (+ main_offset 39880) main_length), 125097#(<= (+ main_offset 39868) main_length), 125096#(<= (+ main_offset 39872) main_length), 125099#(<= (+ main_offset 39860) main_length), 125098#(<= (+ main_offset 39864) main_length), 125101#(<= (+ main_offset 39852) main_length), 125100#(<= (+ main_offset 39856) main_length), 125103#(<= (+ main_offset 39844) main_length), 125102#(<= (+ main_offset 39848) main_length), 125105#(<= (+ main_offset 39836) main_length), 125104#(<= (+ main_offset 39840) main_length), 125107#(<= (+ main_offset 39828) main_length), 125106#(<= (+ main_offset 39832) main_length), 125109#(<= (+ main_offset 39820) main_length), 125108#(<= (+ main_offset 39824) main_length), 125111#(<= (+ main_offset 39812) main_length), 125110#(<= (+ main_offset 39816) main_length), 125113#(<= (+ main_offset 39804) main_length), 125112#(<= (+ main_offset 39808) main_length), 125115#(<= (+ main_offset 39796) main_length), 125114#(<= (+ main_offset 39800) main_length), 125117#(<= (+ main_offset 39788) main_length), 125116#(<= (+ main_offset 39792) main_length), 125119#(<= (+ main_offset 39780) main_length), 125118#(<= (+ main_offset 39784) main_length), 125121#(<= (+ main_offset 39772) main_length), 125120#(<= (+ main_offset 39776) main_length), 125123#(<= (+ main_offset 39764) main_length), 125122#(<= (+ main_offset 39768) main_length), 125125#(<= (+ main_offset 39756) main_length), 125124#(<= (+ main_offset 39760) main_length), 125127#(<= (+ main_offset 39748) main_length), 125126#(<= (+ main_offset 39752) main_length), 125129#(<= (+ main_offset 39740) main_length), 125128#(<= (+ main_offset 39744) main_length), 125131#(<= (+ main_offset 39732) main_length), 125130#(<= (+ main_offset 39736) main_length), 125133#(<= (+ main_offset 39724) main_length), 125132#(<= (+ main_offset 39728) main_length), 125135#(<= (+ main_offset 39716) main_length), 125134#(<= (+ main_offset 39720) main_length), 125137#(<= (+ main_offset 39708) main_length), 125136#(<= (+ main_offset 39712) main_length), 125139#(<= (+ main_offset 39700) main_length), 125138#(<= (+ main_offset 39704) main_length), 125141#(<= (+ main_offset 39692) main_length), 125140#(<= (+ main_offset 39696) main_length), 125143#(<= (+ main_offset 39684) main_length), 125142#(<= (+ main_offset 39688) main_length), 125145#(<= (+ main_offset 39676) main_length), 125144#(<= (+ main_offset 39680) main_length), 125147#(<= (+ main_offset 39668) main_length), 125146#(<= (+ main_offset 39672) main_length), 125149#(<= (+ main_offset 39660) main_length), 125148#(<= (+ main_offset 39664) main_length), 125151#(<= (+ main_offset 39652) main_length), 125150#(<= (+ main_offset 39656) main_length), 125153#(<= (+ main_offset 39644) main_length), 125152#(<= (+ main_offset 39648) main_length), 125155#(<= (+ main_offset 39636) main_length), 125154#(<= (+ main_offset 39640) main_length), 125157#(<= (+ main_offset 39628) main_length), 125156#(<= (+ main_offset 39632) main_length), 125159#(<= (+ main_offset 39620) main_length), 125158#(<= (+ main_offset 39624) main_length), 125161#(<= (+ main_offset 39612) main_length), 125160#(<= (+ main_offset 39616) main_length), 125163#(<= (+ main_offset 39604) main_length), 125162#(<= (+ main_offset 39608) main_length), 125165#(<= (+ main_offset 39596) main_length), 125164#(<= (+ main_offset 39600) main_length), 125167#(<= (+ main_offset 39588) main_length), 125166#(<= (+ main_offset 39592) main_length), 125169#(<= (+ main_offset 39580) main_length), 125168#(<= (+ main_offset 39584) main_length), 125171#(<= (+ main_offset 39572) main_length), 125170#(<= (+ main_offset 39576) main_length), 125173#(<= (+ main_offset 39564) main_length), 125172#(<= (+ main_offset 39568) main_length), 125175#(<= (+ main_offset 39556) main_length), 125174#(<= (+ main_offset 39560) main_length), 125177#(<= (+ main_offset 39548) main_length), 125176#(<= (+ main_offset 39552) main_length), 125179#(<= (+ main_offset 39540) main_length), 125178#(<= (+ main_offset 39544) main_length), 125181#(<= (+ main_offset 39532) main_length), 125180#(<= (+ main_offset 39536) main_length), 125183#(<= (+ main_offset 39524) main_length), 125182#(<= (+ main_offset 39528) main_length)] [2018-07-23 13:56:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 27060 backedges. 0 proven. 27060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:05,919 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:56:05,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:56:05,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:56:05,922 INFO L87 Difference]: Start difference. First operand 332 states and 332 transitions. Second operand 167 states. [2018-07-23 13:56:06,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:06,399 INFO L93 Difference]: Finished difference Result 335 states and 335 transitions. [2018-07-23 13:56:06,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:56:06,399 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 331 [2018-07-23 13:56:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:06,400 INFO L225 Difference]: With dead ends: 335 [2018-07-23 13:56:06,400 INFO L226 Difference]: Without dead ends: 334 [2018-07-23 13:56:06,401 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:56:06,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-07-23 13:56:06,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2018-07-23 13:56:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-07-23 13:56:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 334 transitions. [2018-07-23 13:56:06,405 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 334 transitions. Word has length 331 [2018-07-23 13:56:06,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:06,406 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 334 transitions. [2018-07-23 13:56:06,406 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:56:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 334 transitions. [2018-07-23 13:56:06,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-07-23 13:56:06,407 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:06,407 INFO L357 BasicCegarLoop]: trace histogram [166, 165, 1, 1] [2018-07-23 13:56:06,407 INFO L414 AbstractCegarLoop]: === Iteration 166 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:06,408 INFO L82 PathProgramCache]: Analyzing trace with hash -6971798, now seen corresponding path program 165 times [2018-07-23 13:56:06,408 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 27390 backedges. 0 proven. 27390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:07,507 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:07,507 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:56:07,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:07,508 INFO L185 omatonBuilderFactory]: Interpolants [126721#(<= (+ main_offset 39392) main_length), 126720#(<= (+ main_offset 39396) main_length), 126723#(<= (+ main_offset 39384) main_length), 126722#(<= (+ main_offset 39388) main_length), 126725#(<= (+ main_offset 39376) main_length), 126724#(<= (+ main_offset 39380) main_length), 126727#(<= (+ main_offset 39368) main_length), 126726#(<= (+ main_offset 39372) main_length), 126729#(<= (+ main_offset 39360) main_length), 126728#(<= (+ main_offset 39364) main_length), 126731#(<= (+ main_offset 39352) main_length), 126730#(<= (+ main_offset 39356) main_length), 126733#(<= (+ main_offset 39344) main_length), 126732#(<= (+ main_offset 39348) main_length), 126734#(<= (+ main_offset 39340) main_length), 126567#true, 126569#(<= (+ main_offset 40000) main_length), 126568#false, 126571#(<= (+ main_offset 39992) main_length), 126570#(<= (+ main_offset 39996) main_length), 126573#(<= (+ main_offset 39984) main_length), 126572#(<= (+ main_offset 39988) main_length), 126575#(<= (+ main_offset 39976) main_length), 126574#(<= (+ main_offset 39980) main_length), 126577#(<= (+ main_offset 39968) main_length), 126576#(<= (+ main_offset 39972) main_length), 126579#(<= (+ main_offset 39960) main_length), 126578#(<= (+ main_offset 39964) main_length), 126581#(<= (+ main_offset 39952) main_length), 126580#(<= (+ main_offset 39956) main_length), 126583#(<= (+ main_offset 39944) main_length), 126582#(<= (+ main_offset 39948) main_length), 126585#(<= (+ main_offset 39936) main_length), 126584#(<= (+ main_offset 39940) main_length), 126587#(<= (+ main_offset 39928) main_length), 126586#(<= (+ main_offset 39932) main_length), 126589#(<= (+ main_offset 39920) main_length), 126588#(<= (+ main_offset 39924) main_length), 126591#(<= (+ main_offset 39912) main_length), 126590#(<= (+ main_offset 39916) main_length), 126593#(<= (+ main_offset 39904) main_length), 126592#(<= (+ main_offset 39908) main_length), 126595#(<= (+ main_offset 39896) main_length), 126594#(<= (+ main_offset 39900) main_length), 126597#(<= (+ main_offset 39888) main_length), 126596#(<= (+ main_offset 39892) main_length), 126599#(<= (+ main_offset 39880) main_length), 126598#(<= (+ main_offset 39884) main_length), 126601#(<= (+ main_offset 39872) main_length), 126600#(<= (+ main_offset 39876) main_length), 126603#(<= (+ main_offset 39864) main_length), 126602#(<= (+ main_offset 39868) main_length), 126605#(<= (+ main_offset 39856) main_length), 126604#(<= (+ main_offset 39860) main_length), 126607#(<= (+ main_offset 39848) main_length), 126606#(<= (+ main_offset 39852) main_length), 126609#(<= (+ main_offset 39840) main_length), 126608#(<= (+ main_offset 39844) main_length), 126611#(<= (+ main_offset 39832) main_length), 126610#(<= (+ main_offset 39836) main_length), 126613#(<= (+ main_offset 39824) main_length), 126612#(<= (+ main_offset 39828) main_length), 126615#(<= (+ main_offset 39816) main_length), 126614#(<= (+ main_offset 39820) main_length), 126617#(<= (+ main_offset 39808) main_length), 126616#(<= (+ main_offset 39812) main_length), 126619#(<= (+ main_offset 39800) main_length), 126618#(<= (+ main_offset 39804) main_length), 126621#(<= (+ main_offset 39792) main_length), 126620#(<= (+ main_offset 39796) main_length), 126623#(<= (+ main_offset 39784) main_length), 126622#(<= (+ main_offset 39788) main_length), 126625#(<= (+ main_offset 39776) main_length), 126624#(<= (+ main_offset 39780) main_length), 126627#(<= (+ main_offset 39768) main_length), 126626#(<= (+ main_offset 39772) main_length), 126629#(<= (+ main_offset 39760) main_length), 126628#(<= (+ main_offset 39764) main_length), 126631#(<= (+ main_offset 39752) main_length), 126630#(<= (+ main_offset 39756) main_length), 126633#(<= (+ main_offset 39744) main_length), 126632#(<= (+ main_offset 39748) main_length), 126635#(<= (+ main_offset 39736) main_length), 126634#(<= (+ main_offset 39740) main_length), 126637#(<= (+ main_offset 39728) main_length), 126636#(<= (+ main_offset 39732) main_length), 126639#(<= (+ main_offset 39720) main_length), 126638#(<= (+ main_offset 39724) main_length), 126641#(<= (+ main_offset 39712) main_length), 126640#(<= (+ main_offset 39716) main_length), 126643#(<= (+ main_offset 39704) main_length), 126642#(<= (+ main_offset 39708) main_length), 126645#(<= (+ main_offset 39696) main_length), 126644#(<= (+ main_offset 39700) main_length), 126647#(<= (+ main_offset 39688) main_length), 126646#(<= (+ main_offset 39692) main_length), 126649#(<= (+ main_offset 39680) main_length), 126648#(<= (+ main_offset 39684) main_length), 126651#(<= (+ main_offset 39672) main_length), 126650#(<= (+ main_offset 39676) main_length), 126653#(<= (+ main_offset 39664) main_length), 126652#(<= (+ main_offset 39668) main_length), 126655#(<= (+ main_offset 39656) main_length), 126654#(<= (+ main_offset 39660) main_length), 126657#(<= (+ main_offset 39648) main_length), 126656#(<= (+ main_offset 39652) main_length), 126659#(<= (+ main_offset 39640) main_length), 126658#(<= (+ main_offset 39644) main_length), 126661#(<= (+ main_offset 39632) main_length), 126660#(<= (+ main_offset 39636) main_length), 126663#(<= (+ main_offset 39624) main_length), 126662#(<= (+ main_offset 39628) main_length), 126665#(<= (+ main_offset 39616) main_length), 126664#(<= (+ main_offset 39620) main_length), 126667#(<= (+ main_offset 39608) main_length), 126666#(<= (+ main_offset 39612) main_length), 126669#(<= (+ main_offset 39600) main_length), 126668#(<= (+ main_offset 39604) main_length), 126671#(<= (+ main_offset 39592) main_length), 126670#(<= (+ main_offset 39596) main_length), 126673#(<= (+ main_offset 39584) main_length), 126672#(<= (+ main_offset 39588) main_length), 126675#(<= (+ main_offset 39576) main_length), 126674#(<= (+ main_offset 39580) main_length), 126677#(<= (+ main_offset 39568) main_length), 126676#(<= (+ main_offset 39572) main_length), 126679#(<= (+ main_offset 39560) main_length), 126678#(<= (+ main_offset 39564) main_length), 126681#(<= (+ main_offset 39552) main_length), 126680#(<= (+ main_offset 39556) main_length), 126683#(<= (+ main_offset 39544) main_length), 126682#(<= (+ main_offset 39548) main_length), 126685#(<= (+ main_offset 39536) main_length), 126684#(<= (+ main_offset 39540) main_length), 126687#(<= (+ main_offset 39528) main_length), 126686#(<= (+ main_offset 39532) main_length), 126689#(<= (+ main_offset 39520) main_length), 126688#(<= (+ main_offset 39524) main_length), 126691#(<= (+ main_offset 39512) main_length), 126690#(<= (+ main_offset 39516) main_length), 126693#(<= (+ main_offset 39504) main_length), 126692#(<= (+ main_offset 39508) main_length), 126695#(<= (+ main_offset 39496) main_length), 126694#(<= (+ main_offset 39500) main_length), 126697#(<= (+ main_offset 39488) main_length), 126696#(<= (+ main_offset 39492) main_length), 126699#(<= (+ main_offset 39480) main_length), 126698#(<= (+ main_offset 39484) main_length), 126701#(<= (+ main_offset 39472) main_length), 126700#(<= (+ main_offset 39476) main_length), 126703#(<= (+ main_offset 39464) main_length), 126702#(<= (+ main_offset 39468) main_length), 126705#(<= (+ main_offset 39456) main_length), 126704#(<= (+ main_offset 39460) main_length), 126707#(<= (+ main_offset 39448) main_length), 126706#(<= (+ main_offset 39452) main_length), 126709#(<= (+ main_offset 39440) main_length), 126708#(<= (+ main_offset 39444) main_length), 126711#(<= (+ main_offset 39432) main_length), 126710#(<= (+ main_offset 39436) main_length), 126713#(<= (+ main_offset 39424) main_length), 126712#(<= (+ main_offset 39428) main_length), 126715#(<= (+ main_offset 39416) main_length), 126714#(<= (+ main_offset 39420) main_length), 126717#(<= (+ main_offset 39408) main_length), 126716#(<= (+ main_offset 39412) main_length), 126719#(<= (+ main_offset 39400) main_length), 126718#(<= (+ main_offset 39404) main_length)] [2018-07-23 13:56:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 27390 backedges. 0 proven. 27390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:07,510 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:56:07,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:56:07,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:56:07,513 INFO L87 Difference]: Start difference. First operand 334 states and 334 transitions. Second operand 168 states. [2018-07-23 13:56:08,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:08,360 INFO L93 Difference]: Finished difference Result 337 states and 337 transitions. [2018-07-23 13:56:08,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:56:08,361 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 333 [2018-07-23 13:56:08,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:08,362 INFO L225 Difference]: With dead ends: 337 [2018-07-23 13:56:08,362 INFO L226 Difference]: Without dead ends: 336 [2018-07-23 13:56:08,363 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:56:08,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-07-23 13:56:08,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2018-07-23 13:56:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-07-23 13:56:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 336 transitions. [2018-07-23 13:56:08,368 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 336 transitions. Word has length 333 [2018-07-23 13:56:08,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:08,368 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 336 transitions. [2018-07-23 13:56:08,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:56:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 336 transitions. [2018-07-23 13:56:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-07-23 13:56:08,369 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:08,369 INFO L357 BasicCegarLoop]: trace histogram [167, 166, 1, 1] [2018-07-23 13:56:08,369 INFO L414 AbstractCegarLoop]: === Iteration 167 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:08,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1890037804, now seen corresponding path program 166 times [2018-07-23 13:56:08,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:09,476 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:09,476 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:56:09,476 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:09,477 INFO L185 omatonBuilderFactory]: Interpolants [128081#true, 128083#(<= (+ main_offset 40000) main_length), 128082#false, 128085#(<= (+ main_offset 39992) main_length), 128084#(<= (+ main_offset 39996) main_length), 128087#(<= (+ main_offset 39984) main_length), 128086#(<= (+ main_offset 39988) main_length), 128089#(<= (+ main_offset 39976) main_length), 128088#(<= (+ main_offset 39980) main_length), 128091#(<= (+ main_offset 39968) main_length), 128090#(<= (+ main_offset 39972) main_length), 128093#(<= (+ main_offset 39960) main_length), 128092#(<= (+ main_offset 39964) main_length), 128095#(<= (+ main_offset 39952) main_length), 128094#(<= (+ main_offset 39956) main_length), 128097#(<= (+ main_offset 39944) main_length), 128096#(<= (+ main_offset 39948) main_length), 128099#(<= (+ main_offset 39936) main_length), 128098#(<= (+ main_offset 39940) main_length), 128101#(<= (+ main_offset 39928) main_length), 128100#(<= (+ main_offset 39932) main_length), 128103#(<= (+ main_offset 39920) main_length), 128102#(<= (+ main_offset 39924) main_length), 128105#(<= (+ main_offset 39912) main_length), 128104#(<= (+ main_offset 39916) main_length), 128107#(<= (+ main_offset 39904) main_length), 128106#(<= (+ main_offset 39908) main_length), 128109#(<= (+ main_offset 39896) main_length), 128108#(<= (+ main_offset 39900) main_length), 128111#(<= (+ main_offset 39888) main_length), 128110#(<= (+ main_offset 39892) main_length), 128113#(<= (+ main_offset 39880) main_length), 128112#(<= (+ main_offset 39884) main_length), 128115#(<= (+ main_offset 39872) main_length), 128114#(<= (+ main_offset 39876) main_length), 128117#(<= (+ main_offset 39864) main_length), 128116#(<= (+ main_offset 39868) main_length), 128119#(<= (+ main_offset 39856) main_length), 128118#(<= (+ main_offset 39860) main_length), 128121#(<= (+ main_offset 39848) main_length), 128120#(<= (+ main_offset 39852) main_length), 128123#(<= (+ main_offset 39840) main_length), 128122#(<= (+ main_offset 39844) main_length), 128125#(<= (+ main_offset 39832) main_length), 128124#(<= (+ main_offset 39836) main_length), 128127#(<= (+ main_offset 39824) main_length), 128126#(<= (+ main_offset 39828) main_length), 128129#(<= (+ main_offset 39816) main_length), 128128#(<= (+ main_offset 39820) main_length), 128131#(<= (+ main_offset 39808) main_length), 128130#(<= (+ main_offset 39812) main_length), 128133#(<= (+ main_offset 39800) main_length), 128132#(<= (+ main_offset 39804) main_length), 128135#(<= (+ main_offset 39792) main_length), 128134#(<= (+ main_offset 39796) main_length), 128137#(<= (+ main_offset 39784) main_length), 128136#(<= (+ main_offset 39788) main_length), 128139#(<= (+ main_offset 39776) main_length), 128138#(<= (+ main_offset 39780) main_length), 128141#(<= (+ main_offset 39768) main_length), 128140#(<= (+ main_offset 39772) main_length), 128143#(<= (+ main_offset 39760) main_length), 128142#(<= (+ main_offset 39764) main_length), 128145#(<= (+ main_offset 39752) main_length), 128144#(<= (+ main_offset 39756) main_length), 128147#(<= (+ main_offset 39744) main_length), 128146#(<= (+ main_offset 39748) main_length), 128149#(<= (+ main_offset 39736) main_length), 128148#(<= (+ main_offset 39740) main_length), 128151#(<= (+ main_offset 39728) main_length), 128150#(<= (+ main_offset 39732) main_length), 128153#(<= (+ main_offset 39720) main_length), 128152#(<= (+ main_offset 39724) main_length), 128155#(<= (+ main_offset 39712) main_length), 128154#(<= (+ main_offset 39716) main_length), 128157#(<= (+ main_offset 39704) main_length), 128156#(<= (+ main_offset 39708) main_length), 128159#(<= (+ main_offset 39696) main_length), 128158#(<= (+ main_offset 39700) main_length), 128161#(<= (+ main_offset 39688) main_length), 128160#(<= (+ main_offset 39692) main_length), 128163#(<= (+ main_offset 39680) main_length), 128162#(<= (+ main_offset 39684) main_length), 128165#(<= (+ main_offset 39672) main_length), 128164#(<= (+ main_offset 39676) main_length), 128167#(<= (+ main_offset 39664) main_length), 128166#(<= (+ main_offset 39668) main_length), 128169#(<= (+ main_offset 39656) main_length), 128168#(<= (+ main_offset 39660) main_length), 128171#(<= (+ main_offset 39648) main_length), 128170#(<= (+ main_offset 39652) main_length), 128173#(<= (+ main_offset 39640) main_length), 128172#(<= (+ main_offset 39644) main_length), 128175#(<= (+ main_offset 39632) main_length), 128174#(<= (+ main_offset 39636) main_length), 128177#(<= (+ main_offset 39624) main_length), 128176#(<= (+ main_offset 39628) main_length), 128179#(<= (+ main_offset 39616) main_length), 128178#(<= (+ main_offset 39620) main_length), 128181#(<= (+ main_offset 39608) main_length), 128180#(<= (+ main_offset 39612) main_length), 128183#(<= (+ main_offset 39600) main_length), 128182#(<= (+ main_offset 39604) main_length), 128185#(<= (+ main_offset 39592) main_length), 128184#(<= (+ main_offset 39596) main_length), 128187#(<= (+ main_offset 39584) main_length), 128186#(<= (+ main_offset 39588) main_length), 128189#(<= (+ main_offset 39576) main_length), 128188#(<= (+ main_offset 39580) main_length), 128191#(<= (+ main_offset 39568) main_length), 128190#(<= (+ main_offset 39572) main_length), 128193#(<= (+ main_offset 39560) main_length), 128192#(<= (+ main_offset 39564) main_length), 128195#(<= (+ main_offset 39552) main_length), 128194#(<= (+ main_offset 39556) main_length), 128197#(<= (+ main_offset 39544) main_length), 128196#(<= (+ main_offset 39548) main_length), 128199#(<= (+ main_offset 39536) main_length), 128198#(<= (+ main_offset 39540) main_length), 128201#(<= (+ main_offset 39528) main_length), 128200#(<= (+ main_offset 39532) main_length), 128203#(<= (+ main_offset 39520) main_length), 128202#(<= (+ main_offset 39524) main_length), 128205#(<= (+ main_offset 39512) main_length), 128204#(<= (+ main_offset 39516) main_length), 128207#(<= (+ main_offset 39504) main_length), 128206#(<= (+ main_offset 39508) main_length), 128209#(<= (+ main_offset 39496) main_length), 128208#(<= (+ main_offset 39500) main_length), 128211#(<= (+ main_offset 39488) main_length), 128210#(<= (+ main_offset 39492) main_length), 128213#(<= (+ main_offset 39480) main_length), 128212#(<= (+ main_offset 39484) main_length), 128215#(<= (+ main_offset 39472) main_length), 128214#(<= (+ main_offset 39476) main_length), 128217#(<= (+ main_offset 39464) main_length), 128216#(<= (+ main_offset 39468) main_length), 128219#(<= (+ main_offset 39456) main_length), 128218#(<= (+ main_offset 39460) main_length), 128221#(<= (+ main_offset 39448) main_length), 128220#(<= (+ main_offset 39452) main_length), 128223#(<= (+ main_offset 39440) main_length), 128222#(<= (+ main_offset 39444) main_length), 128225#(<= (+ main_offset 39432) main_length), 128224#(<= (+ main_offset 39436) main_length), 128227#(<= (+ main_offset 39424) main_length), 128226#(<= (+ main_offset 39428) main_length), 128229#(<= (+ main_offset 39416) main_length), 128228#(<= (+ main_offset 39420) main_length), 128231#(<= (+ main_offset 39408) main_length), 128230#(<= (+ main_offset 39412) main_length), 128233#(<= (+ main_offset 39400) main_length), 128232#(<= (+ main_offset 39404) main_length), 128235#(<= (+ main_offset 39392) main_length), 128234#(<= (+ main_offset 39396) main_length), 128237#(<= (+ main_offset 39384) main_length), 128236#(<= (+ main_offset 39388) main_length), 128239#(<= (+ main_offset 39376) main_length), 128238#(<= (+ main_offset 39380) main_length), 128241#(<= (+ main_offset 39368) main_length), 128240#(<= (+ main_offset 39372) main_length), 128243#(<= (+ main_offset 39360) main_length), 128242#(<= (+ main_offset 39364) main_length), 128245#(<= (+ main_offset 39352) main_length), 128244#(<= (+ main_offset 39356) main_length), 128247#(<= (+ main_offset 39344) main_length), 128246#(<= (+ main_offset 39348) main_length), 128249#(<= (+ main_offset 39336) main_length), 128248#(<= (+ main_offset 39340) main_length)] [2018-07-23 13:56:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:09,478 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:56:09,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:56:09,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:56:09,482 INFO L87 Difference]: Start difference. First operand 336 states and 336 transitions. Second operand 169 states. [2018-07-23 13:56:10,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:10,494 INFO L93 Difference]: Finished difference Result 339 states and 339 transitions. [2018-07-23 13:56:10,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:56:10,495 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 335 [2018-07-23 13:56:10,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:10,495 INFO L225 Difference]: With dead ends: 339 [2018-07-23 13:56:10,495 INFO L226 Difference]: Without dead ends: 338 [2018-07-23 13:56:10,497 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:56:10,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-07-23 13:56:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-07-23 13:56:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-07-23 13:56:10,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 338 transitions. [2018-07-23 13:56:10,501 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 338 transitions. Word has length 335 [2018-07-23 13:56:10,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:10,501 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 338 transitions. [2018-07-23 13:56:10,502 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:56:10,502 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 338 transitions. [2018-07-23 13:56:10,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-07-23 13:56:10,502 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:10,503 INFO L357 BasicCegarLoop]: trace histogram [168, 167, 1, 1] [2018-07-23 13:56:10,503 INFO L414 AbstractCegarLoop]: === Iteration 168 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:10,503 INFO L82 PathProgramCache]: Analyzing trace with hash -444835474, now seen corresponding path program 167 times [2018-07-23 13:56:10,503 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 28056 backedges. 0 proven. 28056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:11,684 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:11,684 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:56:11,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:11,685 INFO L185 omatonBuilderFactory]: Interpolants [129605#false, 129604#true, 129607#(<= (+ main_offset 39996) main_length), 129606#(<= (+ main_offset 40000) main_length), 129609#(<= (+ main_offset 39988) main_length), 129608#(<= (+ main_offset 39992) main_length), 129611#(<= (+ main_offset 39980) main_length), 129610#(<= (+ main_offset 39984) main_length), 129613#(<= (+ main_offset 39972) main_length), 129612#(<= (+ main_offset 39976) main_length), 129615#(<= (+ main_offset 39964) main_length), 129614#(<= (+ main_offset 39968) main_length), 129617#(<= (+ main_offset 39956) main_length), 129616#(<= (+ main_offset 39960) main_length), 129619#(<= (+ main_offset 39948) main_length), 129618#(<= (+ main_offset 39952) main_length), 129621#(<= (+ main_offset 39940) main_length), 129620#(<= (+ main_offset 39944) main_length), 129623#(<= (+ main_offset 39932) main_length), 129622#(<= (+ main_offset 39936) main_length), 129625#(<= (+ main_offset 39924) main_length), 129624#(<= (+ main_offset 39928) main_length), 129627#(<= (+ main_offset 39916) main_length), 129626#(<= (+ main_offset 39920) main_length), 129629#(<= (+ main_offset 39908) main_length), 129628#(<= (+ main_offset 39912) main_length), 129631#(<= (+ main_offset 39900) main_length), 129630#(<= (+ main_offset 39904) main_length), 129633#(<= (+ main_offset 39892) main_length), 129632#(<= (+ main_offset 39896) main_length), 129635#(<= (+ main_offset 39884) main_length), 129634#(<= (+ main_offset 39888) main_length), 129637#(<= (+ main_offset 39876) main_length), 129636#(<= (+ main_offset 39880) main_length), 129639#(<= (+ main_offset 39868) main_length), 129638#(<= (+ main_offset 39872) main_length), 129641#(<= (+ main_offset 39860) main_length), 129640#(<= (+ main_offset 39864) main_length), 129643#(<= (+ main_offset 39852) main_length), 129642#(<= (+ main_offset 39856) main_length), 129645#(<= (+ main_offset 39844) main_length), 129644#(<= (+ main_offset 39848) main_length), 129647#(<= (+ main_offset 39836) main_length), 129646#(<= (+ main_offset 39840) main_length), 129649#(<= (+ main_offset 39828) main_length), 129648#(<= (+ main_offset 39832) main_length), 129651#(<= (+ main_offset 39820) main_length), 129650#(<= (+ main_offset 39824) main_length), 129653#(<= (+ main_offset 39812) main_length), 129652#(<= (+ main_offset 39816) main_length), 129655#(<= (+ main_offset 39804) main_length), 129654#(<= (+ main_offset 39808) main_length), 129657#(<= (+ main_offset 39796) main_length), 129656#(<= (+ main_offset 39800) main_length), 129659#(<= (+ main_offset 39788) main_length), 129658#(<= (+ main_offset 39792) main_length), 129661#(<= (+ main_offset 39780) main_length), 129660#(<= (+ main_offset 39784) main_length), 129663#(<= (+ main_offset 39772) main_length), 129662#(<= (+ main_offset 39776) main_length), 129665#(<= (+ main_offset 39764) main_length), 129664#(<= (+ main_offset 39768) main_length), 129667#(<= (+ main_offset 39756) main_length), 129666#(<= (+ main_offset 39760) main_length), 129669#(<= (+ main_offset 39748) main_length), 129668#(<= (+ main_offset 39752) main_length), 129671#(<= (+ main_offset 39740) main_length), 129670#(<= (+ main_offset 39744) main_length), 129673#(<= (+ main_offset 39732) main_length), 129672#(<= (+ main_offset 39736) main_length), 129675#(<= (+ main_offset 39724) main_length), 129674#(<= (+ main_offset 39728) main_length), 129677#(<= (+ main_offset 39716) main_length), 129676#(<= (+ main_offset 39720) main_length), 129679#(<= (+ main_offset 39708) main_length), 129678#(<= (+ main_offset 39712) main_length), 129681#(<= (+ main_offset 39700) main_length), 129680#(<= (+ main_offset 39704) main_length), 129683#(<= (+ main_offset 39692) main_length), 129682#(<= (+ main_offset 39696) main_length), 129685#(<= (+ main_offset 39684) main_length), 129684#(<= (+ main_offset 39688) main_length), 129687#(<= (+ main_offset 39676) main_length), 129686#(<= (+ main_offset 39680) main_length), 129689#(<= (+ main_offset 39668) main_length), 129688#(<= (+ main_offset 39672) main_length), 129691#(<= (+ main_offset 39660) main_length), 129690#(<= (+ main_offset 39664) main_length), 129693#(<= (+ main_offset 39652) main_length), 129692#(<= (+ main_offset 39656) main_length), 129695#(<= (+ main_offset 39644) main_length), 129694#(<= (+ main_offset 39648) main_length), 129697#(<= (+ main_offset 39636) main_length), 129696#(<= (+ main_offset 39640) main_length), 129699#(<= (+ main_offset 39628) main_length), 129698#(<= (+ main_offset 39632) main_length), 129701#(<= (+ main_offset 39620) main_length), 129700#(<= (+ main_offset 39624) main_length), 129703#(<= (+ main_offset 39612) main_length), 129702#(<= (+ main_offset 39616) main_length), 129705#(<= (+ main_offset 39604) main_length), 129704#(<= (+ main_offset 39608) main_length), 129707#(<= (+ main_offset 39596) main_length), 129706#(<= (+ main_offset 39600) main_length), 129709#(<= (+ main_offset 39588) main_length), 129708#(<= (+ main_offset 39592) main_length), 129711#(<= (+ main_offset 39580) main_length), 129710#(<= (+ main_offset 39584) main_length), 129713#(<= (+ main_offset 39572) main_length), 129712#(<= (+ main_offset 39576) main_length), 129715#(<= (+ main_offset 39564) main_length), 129714#(<= (+ main_offset 39568) main_length), 129717#(<= (+ main_offset 39556) main_length), 129716#(<= (+ main_offset 39560) main_length), 129719#(<= (+ main_offset 39548) main_length), 129718#(<= (+ main_offset 39552) main_length), 129721#(<= (+ main_offset 39540) main_length), 129720#(<= (+ main_offset 39544) main_length), 129723#(<= (+ main_offset 39532) main_length), 129722#(<= (+ main_offset 39536) main_length), 129725#(<= (+ main_offset 39524) main_length), 129724#(<= (+ main_offset 39528) main_length), 129727#(<= (+ main_offset 39516) main_length), 129726#(<= (+ main_offset 39520) main_length), 129729#(<= (+ main_offset 39508) main_length), 129728#(<= (+ main_offset 39512) main_length), 129731#(<= (+ main_offset 39500) main_length), 129730#(<= (+ main_offset 39504) main_length), 129733#(<= (+ main_offset 39492) main_length), 129732#(<= (+ main_offset 39496) main_length), 129735#(<= (+ main_offset 39484) main_length), 129734#(<= (+ main_offset 39488) main_length), 129737#(<= (+ main_offset 39476) main_length), 129736#(<= (+ main_offset 39480) main_length), 129739#(<= (+ main_offset 39468) main_length), 129738#(<= (+ main_offset 39472) main_length), 129741#(<= (+ main_offset 39460) main_length), 129740#(<= (+ main_offset 39464) main_length), 129743#(<= (+ main_offset 39452) main_length), 129742#(<= (+ main_offset 39456) main_length), 129745#(<= (+ main_offset 39444) main_length), 129744#(<= (+ main_offset 39448) main_length), 129747#(<= (+ main_offset 39436) main_length), 129746#(<= (+ main_offset 39440) main_length), 129749#(<= (+ main_offset 39428) main_length), 129748#(<= (+ main_offset 39432) main_length), 129751#(<= (+ main_offset 39420) main_length), 129750#(<= (+ main_offset 39424) main_length), 129753#(<= (+ main_offset 39412) main_length), 129752#(<= (+ main_offset 39416) main_length), 129755#(<= (+ main_offset 39404) main_length), 129754#(<= (+ main_offset 39408) main_length), 129757#(<= (+ main_offset 39396) main_length), 129756#(<= (+ main_offset 39400) main_length), 129759#(<= (+ main_offset 39388) main_length), 129758#(<= (+ main_offset 39392) main_length), 129761#(<= (+ main_offset 39380) main_length), 129760#(<= (+ main_offset 39384) main_length), 129763#(<= (+ main_offset 39372) main_length), 129762#(<= (+ main_offset 39376) main_length), 129765#(<= (+ main_offset 39364) main_length), 129764#(<= (+ main_offset 39368) main_length), 129767#(<= (+ main_offset 39356) main_length), 129766#(<= (+ main_offset 39360) main_length), 129769#(<= (+ main_offset 39348) main_length), 129768#(<= (+ main_offset 39352) main_length), 129771#(<= (+ main_offset 39340) main_length), 129770#(<= (+ main_offset 39344) main_length), 129773#(<= (+ main_offset 39332) main_length), 129772#(<= (+ main_offset 39336) main_length)] [2018-07-23 13:56:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 28056 backedges. 0 proven. 28056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:11,687 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:56:11,689 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:56:11,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:56:11,690 INFO L87 Difference]: Start difference. First operand 338 states and 338 transitions. Second operand 170 states. [2018-07-23 13:56:12,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:12,763 INFO L93 Difference]: Finished difference Result 341 states and 341 transitions. [2018-07-23 13:56:12,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:56:12,763 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 337 [2018-07-23 13:56:12,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:12,764 INFO L225 Difference]: With dead ends: 341 [2018-07-23 13:56:12,764 INFO L226 Difference]: Without dead ends: 340 [2018-07-23 13:56:12,765 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:56:12,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-23 13:56:12,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-23 13:56:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-23 13:56:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 340 transitions. [2018-07-23 13:56:12,770 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 340 transitions. Word has length 337 [2018-07-23 13:56:12,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:12,770 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 340 transitions. [2018-07-23 13:56:12,770 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:56:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 340 transitions. [2018-07-23 13:56:12,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-07-23 13:56:12,771 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:12,771 INFO L357 BasicCegarLoop]: trace histogram [169, 168, 1, 1] [2018-07-23 13:56:12,771 INFO L414 AbstractCegarLoop]: === Iteration 169 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:12,771 INFO L82 PathProgramCache]: Analyzing trace with hash 2009840176, now seen corresponding path program 168 times [2018-07-23 13:56:12,771 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 28392 backedges. 0 proven. 28392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:13,937 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:13,937 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:56:13,937 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:13,937 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 13:56:13,938 INFO L185 omatonBuilderFactory]: Interpolants [131138#(<= (+ main_offset 40000) main_length), 131139#(<= (+ main_offset 39996) main_length), 131136#true, 131137#false, 131142#(<= (+ main_offset 39984) main_length), 131143#(<= (+ main_offset 39980) main_length), 131140#(<= (+ main_offset 39992) main_length), 131141#(<= (+ main_offset 39988) main_length), 131146#(<= (+ main_offset 39968) main_length), 131147#(<= (+ main_offset 39964) main_length), 131144#(<= (+ main_offset 39976) main_length), 131145#(<= (+ main_offset 39972) main_length), 131150#(<= (+ main_offset 39952) main_length), 131151#(<= (+ main_offset 39948) main_length), 131148#(<= (+ main_offset 39960) main_length), 131149#(<= (+ main_offset 39956) main_length), 131154#(<= (+ main_offset 39936) main_length), 131155#(<= (+ main_offset 39932) main_length), 131152#(<= (+ main_offset 39944) main_length), 131153#(<= (+ main_offset 39940) main_length), 131158#(<= (+ main_offset 39920) main_length), 131159#(<= (+ main_offset 39916) main_length), 131156#(<= (+ main_offset 39928) main_length), 131157#(<= (+ main_offset 39924) main_length), 131162#(<= (+ main_offset 39904) main_length), 131163#(<= (+ main_offset 39900) main_length), 131160#(<= (+ main_offset 39912) main_length), 131161#(<= (+ main_offset 39908) main_length), 131166#(<= (+ main_offset 39888) main_length), 131167#(<= (+ main_offset 39884) main_length), 131164#(<= (+ main_offset 39896) main_length), 131165#(<= (+ main_offset 39892) main_length), 131170#(<= (+ main_offset 39872) main_length), 131171#(<= (+ main_offset 39868) main_length), 131168#(<= (+ main_offset 39880) main_length), 131169#(<= (+ main_offset 39876) main_length), 131174#(<= (+ main_offset 39856) main_length), 131175#(<= (+ main_offset 39852) main_length), 131172#(<= (+ main_offset 39864) main_length), 131173#(<= (+ main_offset 39860) main_length), 131178#(<= (+ main_offset 39840) main_length), 131179#(<= (+ main_offset 39836) main_length), 131176#(<= (+ main_offset 39848) main_length), 131177#(<= (+ main_offset 39844) main_length), 131182#(<= (+ main_offset 39824) main_length), 131183#(<= (+ main_offset 39820) main_length), 131180#(<= (+ main_offset 39832) main_length), 131181#(<= (+ main_offset 39828) main_length), 131186#(<= (+ main_offset 39808) main_length), 131187#(<= (+ main_offset 39804) main_length), 131184#(<= (+ main_offset 39816) main_length), 131185#(<= (+ main_offset 39812) main_length), 131190#(<= (+ main_offset 39792) main_length), 131191#(<= (+ main_offset 39788) main_length), 131188#(<= (+ main_offset 39800) main_length), 131189#(<= (+ main_offset 39796) main_length), 131194#(<= (+ main_offset 39776) main_length), 131195#(<= (+ main_offset 39772) main_length), 131192#(<= (+ main_offset 39784) main_length), 131193#(<= (+ main_offset 39780) main_length), 131198#(<= (+ main_offset 39760) main_length), 131199#(<= (+ main_offset 39756) main_length), 131196#(<= (+ main_offset 39768) main_length), 131197#(<= (+ main_offset 39764) main_length), 131202#(<= (+ main_offset 39744) main_length), 131203#(<= (+ main_offset 39740) main_length), 131200#(<= (+ main_offset 39752) main_length), 131201#(<= (+ main_offset 39748) main_length), 131206#(<= (+ main_offset 39728) main_length), 131207#(<= (+ main_offset 39724) main_length), 131204#(<= (+ main_offset 39736) main_length), 131205#(<= (+ main_offset 39732) main_length), 131210#(<= (+ main_offset 39712) main_length), 131211#(<= (+ main_offset 39708) main_length), 131208#(<= (+ main_offset 39720) main_length), 131209#(<= (+ main_offset 39716) main_length), 131214#(<= (+ main_offset 39696) main_length), 131215#(<= (+ main_offset 39692) main_length), 131212#(<= (+ main_offset 39704) main_length), 131213#(<= (+ main_offset 39700) main_length), 131218#(<= (+ main_offset 39680) main_length), 131219#(<= (+ main_offset 39676) main_length), 131216#(<= (+ main_offset 39688) main_length), 131217#(<= (+ main_offset 39684) main_length), 131222#(<= (+ main_offset 39664) main_length), 131223#(<= (+ main_offset 39660) main_length), 131220#(<= (+ main_offset 39672) main_length), 131221#(<= (+ main_offset 39668) main_length), 131226#(<= (+ main_offset 39648) main_length), 131227#(<= (+ main_offset 39644) main_length), 131224#(<= (+ main_offset 39656) main_length), 131225#(<= (+ main_offset 39652) main_length), 131230#(<= (+ main_offset 39632) main_length), 131231#(<= (+ main_offset 39628) main_length), 131228#(<= (+ main_offset 39640) main_length), 131229#(<= (+ main_offset 39636) main_length), 131234#(<= (+ main_offset 39616) main_length), 131235#(<= (+ main_offset 39612) main_length), 131232#(<= (+ main_offset 39624) main_length), 131233#(<= (+ main_offset 39620) main_length), 131238#(<= (+ main_offset 39600) main_length), 131239#(<= (+ main_offset 39596) main_length), 131236#(<= (+ main_offset 39608) main_length), 131237#(<= (+ main_offset 39604) main_length), 131242#(<= (+ main_offset 39584) main_length), 131243#(<= (+ main_offset 39580) main_length), 131240#(<= (+ main_offset 39592) main_length), 131241#(<= (+ main_offset 39588) main_length), 131246#(<= (+ main_offset 39568) main_length), 131247#(<= (+ main_offset 39564) main_length), 131244#(<= (+ main_offset 39576) main_length), 131245#(<= (+ main_offset 39572) main_length), 131250#(<= (+ main_offset 39552) main_length), 131251#(<= (+ main_offset 39548) main_length), 131248#(<= (+ main_offset 39560) main_length), 131249#(<= (+ main_offset 39556) main_length), 131254#(<= (+ main_offset 39536) main_length), 131255#(<= (+ main_offset 39532) main_length), 131252#(<= (+ main_offset 39544) main_length), 131253#(<= (+ main_offset 39540) main_length), 131258#(<= (+ main_offset 39520) main_length), 131259#(<= (+ main_offset 39516) main_length), 131256#(<= (+ main_offset 39528) main_length), 131257#(<= (+ main_offset 39524) main_length), 131262#(<= (+ main_offset 39504) main_length), 131263#(<= (+ main_offset 39500) main_length), 131260#(<= (+ main_offset 39512) main_length), 131261#(<= (+ main_offset 39508) main_length), 131266#(<= (+ main_offset 39488) main_length), 131267#(<= (+ main_offset 39484) main_length), 131264#(<= (+ main_offset 39496) main_length), 131265#(<= (+ main_offset 39492) main_length), 131270#(<= (+ main_offset 39472) main_length), 131271#(<= (+ main_offset 39468) main_length), 131268#(<= (+ main_offset 39480) main_length), 131269#(<= (+ main_offset 39476) main_length), 131274#(<= (+ main_offset 39456) main_length), 131275#(<= (+ main_offset 39452) main_length), 131272#(<= (+ main_offset 39464) main_length), 131273#(<= (+ main_offset 39460) main_length), 131278#(<= (+ main_offset 39440) main_length), 131279#(<= (+ main_offset 39436) main_length), 131276#(<= (+ main_offset 39448) main_length), 131277#(<= (+ main_offset 39444) main_length), 131282#(<= (+ main_offset 39424) main_length), 131283#(<= (+ main_offset 39420) main_length), 131280#(<= (+ main_offset 39432) main_length), 131281#(<= (+ main_offset 39428) main_length), 131286#(<= (+ main_offset 39408) main_length), 131287#(<= (+ main_offset 39404) main_length), 131284#(<= (+ main_offset 39416) main_length), 131285#(<= (+ main_offset 39412) main_length), 131290#(<= (+ main_offset 39392) main_length), 131291#(<= (+ main_offset 39388) main_length), 131288#(<= (+ main_offset 39400) main_length), 131289#(<= (+ main_offset 39396) main_length), 131294#(<= (+ main_offset 39376) main_length), 131295#(<= (+ main_offset 39372) main_length), 131292#(<= (+ main_offset 39384) main_length), 131293#(<= (+ main_offset 39380) main_length), 131298#(<= (+ main_offset 39360) main_length), 131299#(<= (+ main_offset 39356) main_length), 131296#(<= (+ main_offset 39368) main_length), 131297#(<= (+ main_offset 39364) main_length), 131302#(<= (+ main_offset 39344) main_length), 131303#(<= (+ main_offset 39340) main_length), 131300#(<= (+ main_offset 39352) main_length), 131301#(<= (+ main_offset 39348) main_length), 131306#(<= (+ main_offset 39328) main_length), 131304#(<= (+ main_offset 39336) main_length), 131305#(<= (+ main_offset 39332) main_length)] [2018-07-23 13:56:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 28392 backedges. 0 proven. 28392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:13,939 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:56:13,941 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:56:13,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:56:13,942 INFO L87 Difference]: Start difference. First operand 340 states and 340 transitions. Second operand 171 states. [2018-07-23 13:56:14,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:15,000 INFO L93 Difference]: Finished difference Result 343 states and 343 transitions. [2018-07-23 13:56:15,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:56:15,000 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 339 [2018-07-23 13:56:15,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:15,001 INFO L225 Difference]: With dead ends: 343 [2018-07-23 13:56:15,001 INFO L226 Difference]: Without dead ends: 342 [2018-07-23 13:56:15,002 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:56:15,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-07-23 13:56:15,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2018-07-23 13:56:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-07-23 13:56:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 342 transitions. [2018-07-23 13:56:15,006 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 342 transitions. Word has length 339 [2018-07-23 13:56:15,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:15,006 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 342 transitions. [2018-07-23 13:56:15,007 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:56:15,007 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 342 transitions. [2018-07-23 13:56:15,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-07-23 13:56:15,008 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:15,008 INFO L357 BasicCegarLoop]: trace histogram [170, 169, 1, 1] [2018-07-23 13:56:15,008 INFO L414 AbstractCegarLoop]: === Iteration 170 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:15,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1278872974, now seen corresponding path program 169 times [2018-07-23 13:56:15,008 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 28730 backedges. 0 proven. 28730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:16,141 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:16,141 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:56:16,142 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:16,142 INFO L185 omatonBuilderFactory]: Interpolants [132678#false, 132679#(<= (+ main_offset 40000) main_length), 132677#true, 132682#(<= (+ main_offset 39988) main_length), 132683#(<= (+ main_offset 39984) main_length), 132680#(<= (+ main_offset 39996) main_length), 132681#(<= (+ main_offset 39992) main_length), 132686#(<= (+ main_offset 39972) main_length), 132687#(<= (+ main_offset 39968) main_length), 132684#(<= (+ main_offset 39980) main_length), 132685#(<= (+ main_offset 39976) main_length), 132690#(<= (+ main_offset 39956) main_length), 132691#(<= (+ main_offset 39952) main_length), 132688#(<= (+ main_offset 39964) main_length), 132689#(<= (+ main_offset 39960) main_length), 132694#(<= (+ main_offset 39940) main_length), 132695#(<= (+ main_offset 39936) main_length), 132692#(<= (+ main_offset 39948) main_length), 132693#(<= (+ main_offset 39944) main_length), 132698#(<= (+ main_offset 39924) main_length), 132699#(<= (+ main_offset 39920) main_length), 132696#(<= (+ main_offset 39932) main_length), 132697#(<= (+ main_offset 39928) main_length), 132702#(<= (+ main_offset 39908) main_length), 132703#(<= (+ main_offset 39904) main_length), 132700#(<= (+ main_offset 39916) main_length), 132701#(<= (+ main_offset 39912) main_length), 132706#(<= (+ main_offset 39892) main_length), 132707#(<= (+ main_offset 39888) main_length), 132704#(<= (+ main_offset 39900) main_length), 132705#(<= (+ main_offset 39896) main_length), 132710#(<= (+ main_offset 39876) main_length), 132711#(<= (+ main_offset 39872) main_length), 132708#(<= (+ main_offset 39884) main_length), 132709#(<= (+ main_offset 39880) main_length), 132714#(<= (+ main_offset 39860) main_length), 132715#(<= (+ main_offset 39856) main_length), 132712#(<= (+ main_offset 39868) main_length), 132713#(<= (+ main_offset 39864) main_length), 132718#(<= (+ main_offset 39844) main_length), 132719#(<= (+ main_offset 39840) main_length), 132716#(<= (+ main_offset 39852) main_length), 132717#(<= (+ main_offset 39848) main_length), 132722#(<= (+ main_offset 39828) main_length), 132723#(<= (+ main_offset 39824) main_length), 132720#(<= (+ main_offset 39836) main_length), 132721#(<= (+ main_offset 39832) main_length), 132726#(<= (+ main_offset 39812) main_length), 132727#(<= (+ main_offset 39808) main_length), 132724#(<= (+ main_offset 39820) main_length), 132725#(<= (+ main_offset 39816) main_length), 132730#(<= (+ main_offset 39796) main_length), 132731#(<= (+ main_offset 39792) main_length), 132728#(<= (+ main_offset 39804) main_length), 132729#(<= (+ main_offset 39800) main_length), 132734#(<= (+ main_offset 39780) main_length), 132735#(<= (+ main_offset 39776) main_length), 132732#(<= (+ main_offset 39788) main_length), 132733#(<= (+ main_offset 39784) main_length), 132738#(<= (+ main_offset 39764) main_length), 132739#(<= (+ main_offset 39760) main_length), 132736#(<= (+ main_offset 39772) main_length), 132737#(<= (+ main_offset 39768) main_length), 132742#(<= (+ main_offset 39748) main_length), 132743#(<= (+ main_offset 39744) main_length), 132740#(<= (+ main_offset 39756) main_length), 132741#(<= (+ main_offset 39752) main_length), 132746#(<= (+ main_offset 39732) main_length), 132747#(<= (+ main_offset 39728) main_length), 132744#(<= (+ main_offset 39740) main_length), 132745#(<= (+ main_offset 39736) main_length), 132750#(<= (+ main_offset 39716) main_length), 132751#(<= (+ main_offset 39712) main_length), 132748#(<= (+ main_offset 39724) main_length), 132749#(<= (+ main_offset 39720) main_length), 132754#(<= (+ main_offset 39700) main_length), 132755#(<= (+ main_offset 39696) main_length), 132752#(<= (+ main_offset 39708) main_length), 132753#(<= (+ main_offset 39704) main_length), 132758#(<= (+ main_offset 39684) main_length), 132759#(<= (+ main_offset 39680) main_length), 132756#(<= (+ main_offset 39692) main_length), 132757#(<= (+ main_offset 39688) main_length), 132762#(<= (+ main_offset 39668) main_length), 132763#(<= (+ main_offset 39664) main_length), 132760#(<= (+ main_offset 39676) main_length), 132761#(<= (+ main_offset 39672) main_length), 132766#(<= (+ main_offset 39652) main_length), 132767#(<= (+ main_offset 39648) main_length), 132764#(<= (+ main_offset 39660) main_length), 132765#(<= (+ main_offset 39656) main_length), 132770#(<= (+ main_offset 39636) main_length), 132771#(<= (+ main_offset 39632) main_length), 132768#(<= (+ main_offset 39644) main_length), 132769#(<= (+ main_offset 39640) main_length), 132774#(<= (+ main_offset 39620) main_length), 132775#(<= (+ main_offset 39616) main_length), 132772#(<= (+ main_offset 39628) main_length), 132773#(<= (+ main_offset 39624) main_length), 132778#(<= (+ main_offset 39604) main_length), 132779#(<= (+ main_offset 39600) main_length), 132776#(<= (+ main_offset 39612) main_length), 132777#(<= (+ main_offset 39608) main_length), 132782#(<= (+ main_offset 39588) main_length), 132783#(<= (+ main_offset 39584) main_length), 132780#(<= (+ main_offset 39596) main_length), 132781#(<= (+ main_offset 39592) main_length), 132786#(<= (+ main_offset 39572) main_length), 132787#(<= (+ main_offset 39568) main_length), 132784#(<= (+ main_offset 39580) main_length), 132785#(<= (+ main_offset 39576) main_length), 132790#(<= (+ main_offset 39556) main_length), 132791#(<= (+ main_offset 39552) main_length), 132788#(<= (+ main_offset 39564) main_length), 132789#(<= (+ main_offset 39560) main_length), 132794#(<= (+ main_offset 39540) main_length), 132795#(<= (+ main_offset 39536) main_length), 132792#(<= (+ main_offset 39548) main_length), 132793#(<= (+ main_offset 39544) main_length), 132798#(<= (+ main_offset 39524) main_length), 132799#(<= (+ main_offset 39520) main_length), 132796#(<= (+ main_offset 39532) main_length), 132797#(<= (+ main_offset 39528) main_length), 132802#(<= (+ main_offset 39508) main_length), 132803#(<= (+ main_offset 39504) main_length), 132800#(<= (+ main_offset 39516) main_length), 132801#(<= (+ main_offset 39512) main_length), 132806#(<= (+ main_offset 39492) main_length), 132807#(<= (+ main_offset 39488) main_length), 132804#(<= (+ main_offset 39500) main_length), 132805#(<= (+ main_offset 39496) main_length), 132810#(<= (+ main_offset 39476) main_length), 132811#(<= (+ main_offset 39472) main_length), 132808#(<= (+ main_offset 39484) main_length), 132809#(<= (+ main_offset 39480) main_length), 132814#(<= (+ main_offset 39460) main_length), 132815#(<= (+ main_offset 39456) main_length), 132812#(<= (+ main_offset 39468) main_length), 132813#(<= (+ main_offset 39464) main_length), 132818#(<= (+ main_offset 39444) main_length), 132819#(<= (+ main_offset 39440) main_length), 132816#(<= (+ main_offset 39452) main_length), 132817#(<= (+ main_offset 39448) main_length), 132822#(<= (+ main_offset 39428) main_length), 132823#(<= (+ main_offset 39424) main_length), 132820#(<= (+ main_offset 39436) main_length), 132821#(<= (+ main_offset 39432) main_length), 132826#(<= (+ main_offset 39412) main_length), 132827#(<= (+ main_offset 39408) main_length), 132824#(<= (+ main_offset 39420) main_length), 132825#(<= (+ main_offset 39416) main_length), 132830#(<= (+ main_offset 39396) main_length), 132831#(<= (+ main_offset 39392) main_length), 132828#(<= (+ main_offset 39404) main_length), 132829#(<= (+ main_offset 39400) main_length), 132834#(<= (+ main_offset 39380) main_length), 132835#(<= (+ main_offset 39376) main_length), 132832#(<= (+ main_offset 39388) main_length), 132833#(<= (+ main_offset 39384) main_length), 132838#(<= (+ main_offset 39364) main_length), 132839#(<= (+ main_offset 39360) main_length), 132836#(<= (+ main_offset 39372) main_length), 132837#(<= (+ main_offset 39368) main_length), 132842#(<= (+ main_offset 39348) main_length), 132843#(<= (+ main_offset 39344) main_length), 132840#(<= (+ main_offset 39356) main_length), 132841#(<= (+ main_offset 39352) main_length), 132846#(<= (+ main_offset 39332) main_length), 132847#(<= (+ main_offset 39328) main_length), 132844#(<= (+ main_offset 39340) main_length), 132845#(<= (+ main_offset 39336) main_length), 132848#(<= (+ main_offset 39324) main_length)] [2018-07-23 13:56:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 28730 backedges. 0 proven. 28730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:16,144 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:56:16,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:56:16,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:56:16,148 INFO L87 Difference]: Start difference. First operand 342 states and 342 transitions. Second operand 172 states. [2018-07-23 13:56:17,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:17,339 INFO L93 Difference]: Finished difference Result 345 states and 345 transitions. [2018-07-23 13:56:17,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:56:17,339 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 341 [2018-07-23 13:56:17,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:17,340 INFO L225 Difference]: With dead ends: 345 [2018-07-23 13:56:17,340 INFO L226 Difference]: Without dead ends: 344 [2018-07-23 13:56:17,342 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:56:17,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-07-23 13:56:17,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2018-07-23 13:56:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-07-23 13:56:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 344 transitions. [2018-07-23 13:56:17,347 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 344 transitions. Word has length 341 [2018-07-23 13:56:17,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:17,347 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 344 transitions. [2018-07-23 13:56:17,347 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:56:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 344 transitions. [2018-07-23 13:56:17,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-07-23 13:56:17,348 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:17,348 INFO L357 BasicCegarLoop]: trace histogram [171, 170, 1, 1] [2018-07-23 13:56:17,348 INFO L414 AbstractCegarLoop]: === Iteration 171 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:17,348 INFO L82 PathProgramCache]: Analyzing trace with hash -636280268, now seen corresponding path program 170 times [2018-07-23 13:56:17,349 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 29070 backedges. 0 proven. 29070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:18,707 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:18,707 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:56:18,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:18,708 INFO L185 omatonBuilderFactory]: Interpolants [134227#true, 134230#(<= (+ main_offset 39996) main_length), 134231#(<= (+ main_offset 39992) main_length), 134228#false, 134229#(<= (+ main_offset 40000) main_length), 134234#(<= (+ main_offset 39980) main_length), 134235#(<= (+ main_offset 39976) main_length), 134232#(<= (+ main_offset 39988) main_length), 134233#(<= (+ main_offset 39984) main_length), 134238#(<= (+ main_offset 39964) main_length), 134239#(<= (+ main_offset 39960) main_length), 134236#(<= (+ main_offset 39972) main_length), 134237#(<= (+ main_offset 39968) main_length), 134242#(<= (+ main_offset 39948) main_length), 134243#(<= (+ main_offset 39944) main_length), 134240#(<= (+ main_offset 39956) main_length), 134241#(<= (+ main_offset 39952) main_length), 134246#(<= (+ main_offset 39932) main_length), 134247#(<= (+ main_offset 39928) main_length), 134244#(<= (+ main_offset 39940) main_length), 134245#(<= (+ main_offset 39936) main_length), 134250#(<= (+ main_offset 39916) main_length), 134251#(<= (+ main_offset 39912) main_length), 134248#(<= (+ main_offset 39924) main_length), 134249#(<= (+ main_offset 39920) main_length), 134254#(<= (+ main_offset 39900) main_length), 134255#(<= (+ main_offset 39896) main_length), 134252#(<= (+ main_offset 39908) main_length), 134253#(<= (+ main_offset 39904) main_length), 134258#(<= (+ main_offset 39884) main_length), 134259#(<= (+ main_offset 39880) main_length), 134256#(<= (+ main_offset 39892) main_length), 134257#(<= (+ main_offset 39888) main_length), 134262#(<= (+ main_offset 39868) main_length), 134263#(<= (+ main_offset 39864) main_length), 134260#(<= (+ main_offset 39876) main_length), 134261#(<= (+ main_offset 39872) main_length), 134266#(<= (+ main_offset 39852) main_length), 134267#(<= (+ main_offset 39848) main_length), 134264#(<= (+ main_offset 39860) main_length), 134265#(<= (+ main_offset 39856) main_length), 134270#(<= (+ main_offset 39836) main_length), 134271#(<= (+ main_offset 39832) main_length), 134268#(<= (+ main_offset 39844) main_length), 134269#(<= (+ main_offset 39840) main_length), 134274#(<= (+ main_offset 39820) main_length), 134275#(<= (+ main_offset 39816) main_length), 134272#(<= (+ main_offset 39828) main_length), 134273#(<= (+ main_offset 39824) main_length), 134278#(<= (+ main_offset 39804) main_length), 134279#(<= (+ main_offset 39800) main_length), 134276#(<= (+ main_offset 39812) main_length), 134277#(<= (+ main_offset 39808) main_length), 134282#(<= (+ main_offset 39788) main_length), 134283#(<= (+ main_offset 39784) main_length), 134280#(<= (+ main_offset 39796) main_length), 134281#(<= (+ main_offset 39792) main_length), 134286#(<= (+ main_offset 39772) main_length), 134287#(<= (+ main_offset 39768) main_length), 134284#(<= (+ main_offset 39780) main_length), 134285#(<= (+ main_offset 39776) main_length), 134290#(<= (+ main_offset 39756) main_length), 134291#(<= (+ main_offset 39752) main_length), 134288#(<= (+ main_offset 39764) main_length), 134289#(<= (+ main_offset 39760) main_length), 134294#(<= (+ main_offset 39740) main_length), 134295#(<= (+ main_offset 39736) main_length), 134292#(<= (+ main_offset 39748) main_length), 134293#(<= (+ main_offset 39744) main_length), 134298#(<= (+ main_offset 39724) main_length), 134299#(<= (+ main_offset 39720) main_length), 134296#(<= (+ main_offset 39732) main_length), 134297#(<= (+ main_offset 39728) main_length), 134302#(<= (+ main_offset 39708) main_length), 134303#(<= (+ main_offset 39704) main_length), 134300#(<= (+ main_offset 39716) main_length), 134301#(<= (+ main_offset 39712) main_length), 134306#(<= (+ main_offset 39692) main_length), 134307#(<= (+ main_offset 39688) main_length), 134304#(<= (+ main_offset 39700) main_length), 134305#(<= (+ main_offset 39696) main_length), 134310#(<= (+ main_offset 39676) main_length), 134311#(<= (+ main_offset 39672) main_length), 134308#(<= (+ main_offset 39684) main_length), 134309#(<= (+ main_offset 39680) main_length), 134314#(<= (+ main_offset 39660) main_length), 134315#(<= (+ main_offset 39656) main_length), 134312#(<= (+ main_offset 39668) main_length), 134313#(<= (+ main_offset 39664) main_length), 134318#(<= (+ main_offset 39644) main_length), 134319#(<= (+ main_offset 39640) main_length), 134316#(<= (+ main_offset 39652) main_length), 134317#(<= (+ main_offset 39648) main_length), 134322#(<= (+ main_offset 39628) main_length), 134323#(<= (+ main_offset 39624) main_length), 134320#(<= (+ main_offset 39636) main_length), 134321#(<= (+ main_offset 39632) main_length), 134326#(<= (+ main_offset 39612) main_length), 134327#(<= (+ main_offset 39608) main_length), 134324#(<= (+ main_offset 39620) main_length), 134325#(<= (+ main_offset 39616) main_length), 134330#(<= (+ main_offset 39596) main_length), 134331#(<= (+ main_offset 39592) main_length), 134328#(<= (+ main_offset 39604) main_length), 134329#(<= (+ main_offset 39600) main_length), 134334#(<= (+ main_offset 39580) main_length), 134335#(<= (+ main_offset 39576) main_length), 134332#(<= (+ main_offset 39588) main_length), 134333#(<= (+ main_offset 39584) main_length), 134338#(<= (+ main_offset 39564) main_length), 134339#(<= (+ main_offset 39560) main_length), 134336#(<= (+ main_offset 39572) main_length), 134337#(<= (+ main_offset 39568) main_length), 134342#(<= (+ main_offset 39548) main_length), 134343#(<= (+ main_offset 39544) main_length), 134340#(<= (+ main_offset 39556) main_length), 134341#(<= (+ main_offset 39552) main_length), 134346#(<= (+ main_offset 39532) main_length), 134347#(<= (+ main_offset 39528) main_length), 134344#(<= (+ main_offset 39540) main_length), 134345#(<= (+ main_offset 39536) main_length), 134350#(<= (+ main_offset 39516) main_length), 134351#(<= (+ main_offset 39512) main_length), 134348#(<= (+ main_offset 39524) main_length), 134349#(<= (+ main_offset 39520) main_length), 134354#(<= (+ main_offset 39500) main_length), 134355#(<= (+ main_offset 39496) main_length), 134352#(<= (+ main_offset 39508) main_length), 134353#(<= (+ main_offset 39504) main_length), 134358#(<= (+ main_offset 39484) main_length), 134359#(<= (+ main_offset 39480) main_length), 134356#(<= (+ main_offset 39492) main_length), 134357#(<= (+ main_offset 39488) main_length), 134362#(<= (+ main_offset 39468) main_length), 134363#(<= (+ main_offset 39464) main_length), 134360#(<= (+ main_offset 39476) main_length), 134361#(<= (+ main_offset 39472) main_length), 134366#(<= (+ main_offset 39452) main_length), 134367#(<= (+ main_offset 39448) main_length), 134364#(<= (+ main_offset 39460) main_length), 134365#(<= (+ main_offset 39456) main_length), 134370#(<= (+ main_offset 39436) main_length), 134371#(<= (+ main_offset 39432) main_length), 134368#(<= (+ main_offset 39444) main_length), 134369#(<= (+ main_offset 39440) main_length), 134374#(<= (+ main_offset 39420) main_length), 134375#(<= (+ main_offset 39416) main_length), 134372#(<= (+ main_offset 39428) main_length), 134373#(<= (+ main_offset 39424) main_length), 134378#(<= (+ main_offset 39404) main_length), 134379#(<= (+ main_offset 39400) main_length), 134376#(<= (+ main_offset 39412) main_length), 134377#(<= (+ main_offset 39408) main_length), 134382#(<= (+ main_offset 39388) main_length), 134383#(<= (+ main_offset 39384) main_length), 134380#(<= (+ main_offset 39396) main_length), 134381#(<= (+ main_offset 39392) main_length), 134386#(<= (+ main_offset 39372) main_length), 134387#(<= (+ main_offset 39368) main_length), 134384#(<= (+ main_offset 39380) main_length), 134385#(<= (+ main_offset 39376) main_length), 134390#(<= (+ main_offset 39356) main_length), 134391#(<= (+ main_offset 39352) main_length), 134388#(<= (+ main_offset 39364) main_length), 134389#(<= (+ main_offset 39360) main_length), 134394#(<= (+ main_offset 39340) main_length), 134395#(<= (+ main_offset 39336) main_length), 134392#(<= (+ main_offset 39348) main_length), 134393#(<= (+ main_offset 39344) main_length), 134398#(<= (+ main_offset 39324) main_length), 134399#(<= (+ main_offset 39320) main_length), 134396#(<= (+ main_offset 39332) main_length), 134397#(<= (+ main_offset 39328) main_length)] [2018-07-23 13:56:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 29070 backedges. 0 proven. 29070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:18,710 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:56:18,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:56:18,713 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:56:18,713 INFO L87 Difference]: Start difference. First operand 344 states and 344 transitions. Second operand 173 states. [2018-07-23 13:56:19,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:19,831 INFO L93 Difference]: Finished difference Result 347 states and 347 transitions. [2018-07-23 13:56:19,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:56:19,832 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 343 [2018-07-23 13:56:19,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:19,832 INFO L225 Difference]: With dead ends: 347 [2018-07-23 13:56:19,832 INFO L226 Difference]: Without dead ends: 346 [2018-07-23 13:56:19,833 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:56:19,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-07-23 13:56:19,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2018-07-23 13:56:19,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2018-07-23 13:56:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 346 transitions. [2018-07-23 13:56:19,838 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 346 transitions. Word has length 343 [2018-07-23 13:56:19,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:19,838 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 346 transitions. [2018-07-23 13:56:19,838 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:56:19,838 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 346 transitions. [2018-07-23 13:56:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-07-23 13:56:19,839 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:19,839 INFO L357 BasicCegarLoop]: trace histogram [172, 171, 1, 1] [2018-07-23 13:56:19,839 INFO L414 AbstractCegarLoop]: === Iteration 172 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:19,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1579980426, now seen corresponding path program 171 times [2018-07-23 13:56:19,840 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 29412 backedges. 0 proven. 29412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:20,982 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:20,982 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:56:20,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:20,982 INFO L185 omatonBuilderFactory]: Interpolants [135938#(<= (+ main_offset 39400) main_length), 135939#(<= (+ main_offset 39396) main_length), 135936#(<= (+ main_offset 39408) main_length), 135937#(<= (+ main_offset 39404) main_length), 135942#(<= (+ main_offset 39384) main_length), 135943#(<= (+ main_offset 39380) main_length), 135940#(<= (+ main_offset 39392) main_length), 135941#(<= (+ main_offset 39388) main_length), 135946#(<= (+ main_offset 39368) main_length), 135947#(<= (+ main_offset 39364) main_length), 135944#(<= (+ main_offset 39376) main_length), 135945#(<= (+ main_offset 39372) main_length), 135950#(<= (+ main_offset 39352) main_length), 135951#(<= (+ main_offset 39348) main_length), 135948#(<= (+ main_offset 39360) main_length), 135949#(<= (+ main_offset 39356) main_length), 135954#(<= (+ main_offset 39336) main_length), 135955#(<= (+ main_offset 39332) main_length), 135952#(<= (+ main_offset 39344) main_length), 135953#(<= (+ main_offset 39340) main_length), 135958#(<= (+ main_offset 39320) main_length), 135959#(<= (+ main_offset 39316) main_length), 135956#(<= (+ main_offset 39328) main_length), 135957#(<= (+ main_offset 39324) main_length), 135786#true, 135787#false, 135790#(<= (+ main_offset 39992) main_length), 135791#(<= (+ main_offset 39988) main_length), 135788#(<= (+ main_offset 40000) main_length), 135789#(<= (+ main_offset 39996) main_length), 135794#(<= (+ main_offset 39976) main_length), 135795#(<= (+ main_offset 39972) main_length), 135792#(<= (+ main_offset 39984) main_length), 135793#(<= (+ main_offset 39980) main_length), 135798#(<= (+ main_offset 39960) main_length), 135799#(<= (+ main_offset 39956) main_length), 135796#(<= (+ main_offset 39968) main_length), 135797#(<= (+ main_offset 39964) main_length), 135802#(<= (+ main_offset 39944) main_length), 135803#(<= (+ main_offset 39940) main_length), 135800#(<= (+ main_offset 39952) main_length), 135801#(<= (+ main_offset 39948) main_length), 135806#(<= (+ main_offset 39928) main_length), 135807#(<= (+ main_offset 39924) main_length), 135804#(<= (+ main_offset 39936) main_length), 135805#(<= (+ main_offset 39932) main_length), 135810#(<= (+ main_offset 39912) main_length), 135811#(<= (+ main_offset 39908) main_length), 135808#(<= (+ main_offset 39920) main_length), 135809#(<= (+ main_offset 39916) main_length), 135814#(<= (+ main_offset 39896) main_length), 135815#(<= (+ main_offset 39892) main_length), 135812#(<= (+ main_offset 39904) main_length), 135813#(<= (+ main_offset 39900) main_length), 135818#(<= (+ main_offset 39880) main_length), 135819#(<= (+ main_offset 39876) main_length), 135816#(<= (+ main_offset 39888) main_length), 135817#(<= (+ main_offset 39884) main_length), 135822#(<= (+ main_offset 39864) main_length), 135823#(<= (+ main_offset 39860) main_length), 135820#(<= (+ main_offset 39872) main_length), 135821#(<= (+ main_offset 39868) main_length), 135826#(<= (+ main_offset 39848) main_length), 135827#(<= (+ main_offset 39844) main_length), 135824#(<= (+ main_offset 39856) main_length), 135825#(<= (+ main_offset 39852) main_length), 135830#(<= (+ main_offset 39832) main_length), 135831#(<= (+ main_offset 39828) main_length), 135828#(<= (+ main_offset 39840) main_length), 135829#(<= (+ main_offset 39836) main_length), 135834#(<= (+ main_offset 39816) main_length), 135835#(<= (+ main_offset 39812) main_length), 135832#(<= (+ main_offset 39824) main_length), 135833#(<= (+ main_offset 39820) main_length), 135838#(<= (+ main_offset 39800) main_length), 135839#(<= (+ main_offset 39796) main_length), 135836#(<= (+ main_offset 39808) main_length), 135837#(<= (+ main_offset 39804) main_length), 135842#(<= (+ main_offset 39784) main_length), 135843#(<= (+ main_offset 39780) main_length), 135840#(<= (+ main_offset 39792) main_length), 135841#(<= (+ main_offset 39788) main_length), 135846#(<= (+ main_offset 39768) main_length), 135847#(<= (+ main_offset 39764) main_length), 135844#(<= (+ main_offset 39776) main_length), 135845#(<= (+ main_offset 39772) main_length), 135850#(<= (+ main_offset 39752) main_length), 135851#(<= (+ main_offset 39748) main_length), 135848#(<= (+ main_offset 39760) main_length), 135849#(<= (+ main_offset 39756) main_length), 135854#(<= (+ main_offset 39736) main_length), 135855#(<= (+ main_offset 39732) main_length), 135852#(<= (+ main_offset 39744) main_length), 135853#(<= (+ main_offset 39740) main_length), 135858#(<= (+ main_offset 39720) main_length), 135859#(<= (+ main_offset 39716) main_length), 135856#(<= (+ main_offset 39728) main_length), 135857#(<= (+ main_offset 39724) main_length), 135862#(<= (+ main_offset 39704) main_length), 135863#(<= (+ main_offset 39700) main_length), 135860#(<= (+ main_offset 39712) main_length), 135861#(<= (+ main_offset 39708) main_length), 135866#(<= (+ main_offset 39688) main_length), 135867#(<= (+ main_offset 39684) main_length), 135864#(<= (+ main_offset 39696) main_length), 135865#(<= (+ main_offset 39692) main_length), 135870#(<= (+ main_offset 39672) main_length), 135871#(<= (+ main_offset 39668) main_length), 135868#(<= (+ main_offset 39680) main_length), 135869#(<= (+ main_offset 39676) main_length), 135874#(<= (+ main_offset 39656) main_length), 135875#(<= (+ main_offset 39652) main_length), 135872#(<= (+ main_offset 39664) main_length), 135873#(<= (+ main_offset 39660) main_length), 135878#(<= (+ main_offset 39640) main_length), 135879#(<= (+ main_offset 39636) main_length), 135876#(<= (+ main_offset 39648) main_length), 135877#(<= (+ main_offset 39644) main_length), 135882#(<= (+ main_offset 39624) main_length), 135883#(<= (+ main_offset 39620) main_length), 135880#(<= (+ main_offset 39632) main_length), 135881#(<= (+ main_offset 39628) main_length), 135886#(<= (+ main_offset 39608) main_length), 135887#(<= (+ main_offset 39604) main_length), 135884#(<= (+ main_offset 39616) main_length), 135885#(<= (+ main_offset 39612) main_length), 135890#(<= (+ main_offset 39592) main_length), 135891#(<= (+ main_offset 39588) main_length), 135888#(<= (+ main_offset 39600) main_length), 135889#(<= (+ main_offset 39596) main_length), 135894#(<= (+ main_offset 39576) main_length), 135895#(<= (+ main_offset 39572) main_length), 135892#(<= (+ main_offset 39584) main_length), 135893#(<= (+ main_offset 39580) main_length), 135898#(<= (+ main_offset 39560) main_length), 135899#(<= (+ main_offset 39556) main_length), 135896#(<= (+ main_offset 39568) main_length), 135897#(<= (+ main_offset 39564) main_length), 135902#(<= (+ main_offset 39544) main_length), 135903#(<= (+ main_offset 39540) main_length), 135900#(<= (+ main_offset 39552) main_length), 135901#(<= (+ main_offset 39548) main_length), 135906#(<= (+ main_offset 39528) main_length), 135907#(<= (+ main_offset 39524) main_length), 135904#(<= (+ main_offset 39536) main_length), 135905#(<= (+ main_offset 39532) main_length), 135910#(<= (+ main_offset 39512) main_length), 135911#(<= (+ main_offset 39508) main_length), 135908#(<= (+ main_offset 39520) main_length), 135909#(<= (+ main_offset 39516) main_length), 135914#(<= (+ main_offset 39496) main_length), 135915#(<= (+ main_offset 39492) main_length), 135912#(<= (+ main_offset 39504) main_length), 135913#(<= (+ main_offset 39500) main_length), 135918#(<= (+ main_offset 39480) main_length), 135919#(<= (+ main_offset 39476) main_length), 135916#(<= (+ main_offset 39488) main_length), 135917#(<= (+ main_offset 39484) main_length), 135922#(<= (+ main_offset 39464) main_length), 135923#(<= (+ main_offset 39460) main_length), 135920#(<= (+ main_offset 39472) main_length), 135921#(<= (+ main_offset 39468) main_length), 135926#(<= (+ main_offset 39448) main_length), 135927#(<= (+ main_offset 39444) main_length), 135924#(<= (+ main_offset 39456) main_length), 135925#(<= (+ main_offset 39452) main_length), 135930#(<= (+ main_offset 39432) main_length), 135931#(<= (+ main_offset 39428) main_length), 135928#(<= (+ main_offset 39440) main_length), 135929#(<= (+ main_offset 39436) main_length), 135934#(<= (+ main_offset 39416) main_length), 135935#(<= (+ main_offset 39412) main_length), 135932#(<= (+ main_offset 39424) main_length), 135933#(<= (+ main_offset 39420) main_length)] [2018-07-23 13:56:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 29412 backedges. 0 proven. 29412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:20,984 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:56:20,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:56:20,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:56:20,987 INFO L87 Difference]: Start difference. First operand 346 states and 346 transitions. Second operand 174 states. [2018-07-23 13:56:21,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:21,753 INFO L93 Difference]: Finished difference Result 349 states and 349 transitions. [2018-07-23 13:56:21,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:56:21,753 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 345 [2018-07-23 13:56:21,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:21,754 INFO L225 Difference]: With dead ends: 349 [2018-07-23 13:56:21,754 INFO L226 Difference]: Without dead ends: 348 [2018-07-23 13:56:21,755 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:56:21,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-07-23 13:56:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2018-07-23 13:56:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-07-23 13:56:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 348 transitions. [2018-07-23 13:56:21,762 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 348 transitions. Word has length 345 [2018-07-23 13:56:21,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:21,762 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 348 transitions. [2018-07-23 13:56:21,762 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:56:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 348 transitions. [2018-07-23 13:56:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-07-23 13:56:21,764 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:21,764 INFO L357 BasicCegarLoop]: trace histogram [173, 172, 1, 1] [2018-07-23 13:56:21,764 INFO L414 AbstractCegarLoop]: === Iteration 173 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:21,764 INFO L82 PathProgramCache]: Analyzing trace with hash 2057234488, now seen corresponding path program 172 times [2018-07-23 13:56:21,764 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 29756 backedges. 0 proven. 29756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:23,084 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:23,084 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:56:23,084 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:23,085 INFO L185 omatonBuilderFactory]: Interpolants [137474#(<= (+ main_offset 39528) main_length), 137475#(<= (+ main_offset 39524) main_length), 137472#(<= (+ main_offset 39536) main_length), 137473#(<= (+ main_offset 39532) main_length), 137478#(<= (+ main_offset 39512) main_length), 137479#(<= (+ main_offset 39508) main_length), 137476#(<= (+ main_offset 39520) main_length), 137477#(<= (+ main_offset 39516) main_length), 137482#(<= (+ main_offset 39496) main_length), 137483#(<= (+ main_offset 39492) main_length), 137480#(<= (+ main_offset 39504) main_length), 137481#(<= (+ main_offset 39500) main_length), 137486#(<= (+ main_offset 39480) main_length), 137487#(<= (+ main_offset 39476) main_length), 137484#(<= (+ main_offset 39488) main_length), 137485#(<= (+ main_offset 39484) main_length), 137490#(<= (+ main_offset 39464) main_length), 137491#(<= (+ main_offset 39460) main_length), 137488#(<= (+ main_offset 39472) main_length), 137489#(<= (+ main_offset 39468) main_length), 137494#(<= (+ main_offset 39448) main_length), 137495#(<= (+ main_offset 39444) main_length), 137492#(<= (+ main_offset 39456) main_length), 137493#(<= (+ main_offset 39452) main_length), 137498#(<= (+ main_offset 39432) main_length), 137499#(<= (+ main_offset 39428) main_length), 137496#(<= (+ main_offset 39440) main_length), 137497#(<= (+ main_offset 39436) main_length), 137502#(<= (+ main_offset 39416) main_length), 137503#(<= (+ main_offset 39412) main_length), 137500#(<= (+ main_offset 39424) main_length), 137501#(<= (+ main_offset 39420) main_length), 137506#(<= (+ main_offset 39400) main_length), 137507#(<= (+ main_offset 39396) main_length), 137504#(<= (+ main_offset 39408) main_length), 137505#(<= (+ main_offset 39404) main_length), 137510#(<= (+ main_offset 39384) main_length), 137511#(<= (+ main_offset 39380) main_length), 137508#(<= (+ main_offset 39392) main_length), 137509#(<= (+ main_offset 39388) main_length), 137514#(<= (+ main_offset 39368) main_length), 137515#(<= (+ main_offset 39364) main_length), 137512#(<= (+ main_offset 39376) main_length), 137513#(<= (+ main_offset 39372) main_length), 137518#(<= (+ main_offset 39352) main_length), 137519#(<= (+ main_offset 39348) main_length), 137516#(<= (+ main_offset 39360) main_length), 137517#(<= (+ main_offset 39356) main_length), 137522#(<= (+ main_offset 39336) main_length), 137523#(<= (+ main_offset 39332) main_length), 137520#(<= (+ main_offset 39344) main_length), 137521#(<= (+ main_offset 39340) main_length), 137526#(<= (+ main_offset 39320) main_length), 137527#(<= (+ main_offset 39316) main_length), 137524#(<= (+ main_offset 39328) main_length), 137525#(<= (+ main_offset 39324) main_length), 137528#(<= (+ main_offset 39312) main_length), 137354#true, 137355#false, 137358#(<= (+ main_offset 39992) main_length), 137359#(<= (+ main_offset 39988) main_length), 137356#(<= (+ main_offset 40000) main_length), 137357#(<= (+ main_offset 39996) main_length), 137362#(<= (+ main_offset 39976) main_length), 137363#(<= (+ main_offset 39972) main_length), 137360#(<= (+ main_offset 39984) main_length), 137361#(<= (+ main_offset 39980) main_length), 137366#(<= (+ main_offset 39960) main_length), 137367#(<= (+ main_offset 39956) main_length), 137364#(<= (+ main_offset 39968) main_length), 137365#(<= (+ main_offset 39964) main_length), 137370#(<= (+ main_offset 39944) main_length), 137371#(<= (+ main_offset 39940) main_length), 137368#(<= (+ main_offset 39952) main_length), 137369#(<= (+ main_offset 39948) main_length), 137374#(<= (+ main_offset 39928) main_length), 137375#(<= (+ main_offset 39924) main_length), 137372#(<= (+ main_offset 39936) main_length), 137373#(<= (+ main_offset 39932) main_length), 137378#(<= (+ main_offset 39912) main_length), 137379#(<= (+ main_offset 39908) main_length), 137376#(<= (+ main_offset 39920) main_length), 137377#(<= (+ main_offset 39916) main_length), 137382#(<= (+ main_offset 39896) main_length), 137383#(<= (+ main_offset 39892) main_length), 137380#(<= (+ main_offset 39904) main_length), 137381#(<= (+ main_offset 39900) main_length), 137386#(<= (+ main_offset 39880) main_length), 137387#(<= (+ main_offset 39876) main_length), 137384#(<= (+ main_offset 39888) main_length), 137385#(<= (+ main_offset 39884) main_length), 137390#(<= (+ main_offset 39864) main_length), 137391#(<= (+ main_offset 39860) main_length), 137388#(<= (+ main_offset 39872) main_length), 137389#(<= (+ main_offset 39868) main_length), 137394#(<= (+ main_offset 39848) main_length), 137395#(<= (+ main_offset 39844) main_length), 137392#(<= (+ main_offset 39856) main_length), 137393#(<= (+ main_offset 39852) main_length), 137398#(<= (+ main_offset 39832) main_length), 137399#(<= (+ main_offset 39828) main_length), 137396#(<= (+ main_offset 39840) main_length), 137397#(<= (+ main_offset 39836) main_length), 137402#(<= (+ main_offset 39816) main_length), 137403#(<= (+ main_offset 39812) main_length), 137400#(<= (+ main_offset 39824) main_length), 137401#(<= (+ main_offset 39820) main_length), 137406#(<= (+ main_offset 39800) main_length), 137407#(<= (+ main_offset 39796) main_length), 137404#(<= (+ main_offset 39808) main_length), 137405#(<= (+ main_offset 39804) main_length), 137410#(<= (+ main_offset 39784) main_length), 137411#(<= (+ main_offset 39780) main_length), 137408#(<= (+ main_offset 39792) main_length), 137409#(<= (+ main_offset 39788) main_length), 137414#(<= (+ main_offset 39768) main_length), 137415#(<= (+ main_offset 39764) main_length), 137412#(<= (+ main_offset 39776) main_length), 137413#(<= (+ main_offset 39772) main_length), 137418#(<= (+ main_offset 39752) main_length), 137419#(<= (+ main_offset 39748) main_length), 137416#(<= (+ main_offset 39760) main_length), 137417#(<= (+ main_offset 39756) main_length), 137422#(<= (+ main_offset 39736) main_length), 137423#(<= (+ main_offset 39732) main_length), 137420#(<= (+ main_offset 39744) main_length), 137421#(<= (+ main_offset 39740) main_length), 137426#(<= (+ main_offset 39720) main_length), 137427#(<= (+ main_offset 39716) main_length), 137424#(<= (+ main_offset 39728) main_length), 137425#(<= (+ main_offset 39724) main_length), 137430#(<= (+ main_offset 39704) main_length), 137431#(<= (+ main_offset 39700) main_length), 137428#(<= (+ main_offset 39712) main_length), 137429#(<= (+ main_offset 39708) main_length), 137434#(<= (+ main_offset 39688) main_length), 137435#(<= (+ main_offset 39684) main_length), 137432#(<= (+ main_offset 39696) main_length), 137433#(<= (+ main_offset 39692) main_length), 137438#(<= (+ main_offset 39672) main_length), 137439#(<= (+ main_offset 39668) main_length), 137436#(<= (+ main_offset 39680) main_length), 137437#(<= (+ main_offset 39676) main_length), 137442#(<= (+ main_offset 39656) main_length), 137443#(<= (+ main_offset 39652) main_length), 137440#(<= (+ main_offset 39664) main_length), 137441#(<= (+ main_offset 39660) main_length), 137446#(<= (+ main_offset 39640) main_length), 137447#(<= (+ main_offset 39636) main_length), 137444#(<= (+ main_offset 39648) main_length), 137445#(<= (+ main_offset 39644) main_length), 137450#(<= (+ main_offset 39624) main_length), 137451#(<= (+ main_offset 39620) main_length), 137448#(<= (+ main_offset 39632) main_length), 137449#(<= (+ main_offset 39628) main_length), 137454#(<= (+ main_offset 39608) main_length), 137455#(<= (+ main_offset 39604) main_length), 137452#(<= (+ main_offset 39616) main_length), 137453#(<= (+ main_offset 39612) main_length), 137458#(<= (+ main_offset 39592) main_length), 137459#(<= (+ main_offset 39588) main_length), 137456#(<= (+ main_offset 39600) main_length), 137457#(<= (+ main_offset 39596) main_length), 137462#(<= (+ main_offset 39576) main_length), 137463#(<= (+ main_offset 39572) main_length), 137460#(<= (+ main_offset 39584) main_length), 137461#(<= (+ main_offset 39580) main_length), 137466#(<= (+ main_offset 39560) main_length), 137467#(<= (+ main_offset 39556) main_length), 137464#(<= (+ main_offset 39568) main_length), 137465#(<= (+ main_offset 39564) main_length), 137470#(<= (+ main_offset 39544) main_length), 137471#(<= (+ main_offset 39540) main_length), 137468#(<= (+ main_offset 39552) main_length), 137469#(<= (+ main_offset 39548) main_length)] [2018-07-23 13:56:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 29756 backedges. 0 proven. 29756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:23,086 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:56:23,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:56:23,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:56:23,088 INFO L87 Difference]: Start difference. First operand 348 states and 348 transitions. Second operand 175 states. [2018-07-23 13:56:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:23,510 INFO L93 Difference]: Finished difference Result 351 states and 351 transitions. [2018-07-23 13:56:23,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:56:23,510 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 347 [2018-07-23 13:56:23,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:23,511 INFO L225 Difference]: With dead ends: 351 [2018-07-23 13:56:23,511 INFO L226 Difference]: Without dead ends: 350 [2018-07-23 13:56:23,511 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:56:23,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-07-23 13:56:23,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2018-07-23 13:56:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-07-23 13:56:23,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 350 transitions. [2018-07-23 13:56:23,516 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 350 transitions. Word has length 347 [2018-07-23 13:56:23,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:23,516 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 350 transitions. [2018-07-23 13:56:23,516 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:56:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 350 transitions. [2018-07-23 13:56:23,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-07-23 13:56:23,517 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:23,517 INFO L357 BasicCegarLoop]: trace histogram [174, 173, 1, 1] [2018-07-23 13:56:23,517 INFO L414 AbstractCegarLoop]: === Iteration 174 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:23,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1317387898, now seen corresponding path program 173 times [2018-07-23 13:56:23,517 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30102 backedges. 0 proven. 30102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:24,688 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:24,688 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:56:24,688 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:24,689 INFO L185 omatonBuilderFactory]: Interpolants [139010#(<= (+ main_offset 39692) main_length), 139011#(<= (+ main_offset 39688) main_length), 139008#(<= (+ main_offset 39700) main_length), 139009#(<= (+ main_offset 39696) main_length), 139014#(<= (+ main_offset 39676) main_length), 139015#(<= (+ main_offset 39672) main_length), 139012#(<= (+ main_offset 39684) main_length), 139013#(<= (+ main_offset 39680) main_length), 139018#(<= (+ main_offset 39660) main_length), 139019#(<= (+ main_offset 39656) main_length), 139016#(<= (+ main_offset 39668) main_length), 139017#(<= (+ main_offset 39664) main_length), 139022#(<= (+ main_offset 39644) main_length), 139023#(<= (+ main_offset 39640) main_length), 139020#(<= (+ main_offset 39652) main_length), 139021#(<= (+ main_offset 39648) main_length), 139026#(<= (+ main_offset 39628) main_length), 139027#(<= (+ main_offset 39624) main_length), 139024#(<= (+ main_offset 39636) main_length), 139025#(<= (+ main_offset 39632) main_length), 139030#(<= (+ main_offset 39612) main_length), 139031#(<= (+ main_offset 39608) main_length), 139028#(<= (+ main_offset 39620) main_length), 139029#(<= (+ main_offset 39616) main_length), 139034#(<= (+ main_offset 39596) main_length), 139035#(<= (+ main_offset 39592) main_length), 139032#(<= (+ main_offset 39604) main_length), 139033#(<= (+ main_offset 39600) main_length), 139038#(<= (+ main_offset 39580) main_length), 139039#(<= (+ main_offset 39576) main_length), 139036#(<= (+ main_offset 39588) main_length), 139037#(<= (+ main_offset 39584) main_length), 139042#(<= (+ main_offset 39564) main_length), 139043#(<= (+ main_offset 39560) main_length), 139040#(<= (+ main_offset 39572) main_length), 139041#(<= (+ main_offset 39568) main_length), 139046#(<= (+ main_offset 39548) main_length), 139047#(<= (+ main_offset 39544) main_length), 139044#(<= (+ main_offset 39556) main_length), 139045#(<= (+ main_offset 39552) main_length), 139050#(<= (+ main_offset 39532) main_length), 139051#(<= (+ main_offset 39528) main_length), 139048#(<= (+ main_offset 39540) main_length), 139049#(<= (+ main_offset 39536) main_length), 139054#(<= (+ main_offset 39516) main_length), 139055#(<= (+ main_offset 39512) main_length), 139052#(<= (+ main_offset 39524) main_length), 139053#(<= (+ main_offset 39520) main_length), 139058#(<= (+ main_offset 39500) main_length), 139059#(<= (+ main_offset 39496) main_length), 139056#(<= (+ main_offset 39508) main_length), 139057#(<= (+ main_offset 39504) main_length), 139062#(<= (+ main_offset 39484) main_length), 139063#(<= (+ main_offset 39480) main_length), 139060#(<= (+ main_offset 39492) main_length), 139061#(<= (+ main_offset 39488) main_length), 139066#(<= (+ main_offset 39468) main_length), 139067#(<= (+ main_offset 39464) main_length), 139064#(<= (+ main_offset 39476) main_length), 139065#(<= (+ main_offset 39472) main_length), 139070#(<= (+ main_offset 39452) main_length), 139071#(<= (+ main_offset 39448) main_length), 139068#(<= (+ main_offset 39460) main_length), 139069#(<= (+ main_offset 39456) main_length), 139074#(<= (+ main_offset 39436) main_length), 139075#(<= (+ main_offset 39432) main_length), 139072#(<= (+ main_offset 39444) main_length), 139073#(<= (+ main_offset 39440) main_length), 139078#(<= (+ main_offset 39420) main_length), 139079#(<= (+ main_offset 39416) main_length), 139076#(<= (+ main_offset 39428) main_length), 139077#(<= (+ main_offset 39424) main_length), 139082#(<= (+ main_offset 39404) main_length), 139083#(<= (+ main_offset 39400) main_length), 139080#(<= (+ main_offset 39412) main_length), 139081#(<= (+ main_offset 39408) main_length), 139086#(<= (+ main_offset 39388) main_length), 139087#(<= (+ main_offset 39384) main_length), 139084#(<= (+ main_offset 39396) main_length), 139085#(<= (+ main_offset 39392) main_length), 139090#(<= (+ main_offset 39372) main_length), 139091#(<= (+ main_offset 39368) main_length), 139088#(<= (+ main_offset 39380) main_length), 139089#(<= (+ main_offset 39376) main_length), 139094#(<= (+ main_offset 39356) main_length), 139095#(<= (+ main_offset 39352) main_length), 139092#(<= (+ main_offset 39364) main_length), 139093#(<= (+ main_offset 39360) main_length), 139098#(<= (+ main_offset 39340) main_length), 139099#(<= (+ main_offset 39336) main_length), 139096#(<= (+ main_offset 39348) main_length), 139097#(<= (+ main_offset 39344) main_length), 139102#(<= (+ main_offset 39324) main_length), 139103#(<= (+ main_offset 39320) main_length), 139100#(<= (+ main_offset 39332) main_length), 139101#(<= (+ main_offset 39328) main_length), 139106#(<= (+ main_offset 39308) main_length), 139104#(<= (+ main_offset 39316) main_length), 139105#(<= (+ main_offset 39312) main_length), 138931#true, 138934#(<= (+ main_offset 39996) main_length), 138935#(<= (+ main_offset 39992) main_length), 138932#false, 138933#(<= (+ main_offset 40000) main_length), 138938#(<= (+ main_offset 39980) main_length), 138939#(<= (+ main_offset 39976) main_length), 138936#(<= (+ main_offset 39988) main_length), 138937#(<= (+ main_offset 39984) main_length), 138942#(<= (+ main_offset 39964) main_length), 138943#(<= (+ main_offset 39960) main_length), 138940#(<= (+ main_offset 39972) main_length), 138941#(<= (+ main_offset 39968) main_length), 138946#(<= (+ main_offset 39948) main_length), 138947#(<= (+ main_offset 39944) main_length), 138944#(<= (+ main_offset 39956) main_length), 138945#(<= (+ main_offset 39952) main_length), 138950#(<= (+ main_offset 39932) main_length), 138951#(<= (+ main_offset 39928) main_length), 138948#(<= (+ main_offset 39940) main_length), 138949#(<= (+ main_offset 39936) main_length), 138954#(<= (+ main_offset 39916) main_length), 138955#(<= (+ main_offset 39912) main_length), 138952#(<= (+ main_offset 39924) main_length), 138953#(<= (+ main_offset 39920) main_length), 138958#(<= (+ main_offset 39900) main_length), 138959#(<= (+ main_offset 39896) main_length), 138956#(<= (+ main_offset 39908) main_length), 138957#(<= (+ main_offset 39904) main_length), 138962#(<= (+ main_offset 39884) main_length), 138963#(<= (+ main_offset 39880) main_length), 138960#(<= (+ main_offset 39892) main_length), 138961#(<= (+ main_offset 39888) main_length), 138966#(<= (+ main_offset 39868) main_length), 138967#(<= (+ main_offset 39864) main_length), 138964#(<= (+ main_offset 39876) main_length), 138965#(<= (+ main_offset 39872) main_length), 138970#(<= (+ main_offset 39852) main_length), 138971#(<= (+ main_offset 39848) main_length), 138968#(<= (+ main_offset 39860) main_length), 138969#(<= (+ main_offset 39856) main_length), 138974#(<= (+ main_offset 39836) main_length), 138975#(<= (+ main_offset 39832) main_length), 138972#(<= (+ main_offset 39844) main_length), 138973#(<= (+ main_offset 39840) main_length), 138978#(<= (+ main_offset 39820) main_length), 138979#(<= (+ main_offset 39816) main_length), 138976#(<= (+ main_offset 39828) main_length), 138977#(<= (+ main_offset 39824) main_length), 138982#(<= (+ main_offset 39804) main_length), 138983#(<= (+ main_offset 39800) main_length), 138980#(<= (+ main_offset 39812) main_length), 138981#(<= (+ main_offset 39808) main_length), 138986#(<= (+ main_offset 39788) main_length), 138987#(<= (+ main_offset 39784) main_length), 138984#(<= (+ main_offset 39796) main_length), 138985#(<= (+ main_offset 39792) main_length), 138990#(<= (+ main_offset 39772) main_length), 138991#(<= (+ main_offset 39768) main_length), 138988#(<= (+ main_offset 39780) main_length), 138989#(<= (+ main_offset 39776) main_length), 138994#(<= (+ main_offset 39756) main_length), 138995#(<= (+ main_offset 39752) main_length), 138992#(<= (+ main_offset 39764) main_length), 138993#(<= (+ main_offset 39760) main_length), 138998#(<= (+ main_offset 39740) main_length), 138999#(<= (+ main_offset 39736) main_length), 138996#(<= (+ main_offset 39748) main_length), 138997#(<= (+ main_offset 39744) main_length), 139002#(<= (+ main_offset 39724) main_length), 139003#(<= (+ main_offset 39720) main_length), 139000#(<= (+ main_offset 39732) main_length), 139001#(<= (+ main_offset 39728) main_length), 139006#(<= (+ main_offset 39708) main_length), 139007#(<= (+ main_offset 39704) main_length), 139004#(<= (+ main_offset 39716) main_length), 139005#(<= (+ main_offset 39712) main_length)] [2018-07-23 13:56:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 30102 backedges. 0 proven. 30102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:24,691 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:56:24,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:56:24,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:56:24,694 INFO L87 Difference]: Start difference. First operand 350 states and 350 transitions. Second operand 176 states. [2018-07-23 13:56:25,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:25,174 INFO L93 Difference]: Finished difference Result 353 states and 353 transitions. [2018-07-23 13:56:25,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:56:25,175 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 349 [2018-07-23 13:56:25,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:25,175 INFO L225 Difference]: With dead ends: 353 [2018-07-23 13:56:25,175 INFO L226 Difference]: Without dead ends: 352 [2018-07-23 13:56:25,177 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:56:25,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-07-23 13:56:25,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2018-07-23 13:56:25,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-07-23 13:56:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 352 transitions. [2018-07-23 13:56:25,181 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 352 transitions. Word has length 349 [2018-07-23 13:56:25,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:25,181 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 352 transitions. [2018-07-23 13:56:25,181 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:56:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 352 transitions. [2018-07-23 13:56:25,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-07-23 13:56:25,182 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:25,183 INFO L357 BasicCegarLoop]: trace histogram [175, 174, 1, 1] [2018-07-23 13:56:25,183 INFO L414 AbstractCegarLoop]: === Iteration 175 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:25,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1005581252, now seen corresponding path program 174 times [2018-07-23 13:56:25,183 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30450 backedges. 0 proven. 30450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:26,369 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:26,369 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:56:26,369 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:26,370 INFO L185 omatonBuilderFactory]: Interpolants [140546#(<= (+ main_offset 39892) main_length), 140547#(<= (+ main_offset 39888) main_length), 140544#(<= (+ main_offset 39900) main_length), 140545#(<= (+ main_offset 39896) main_length), 140550#(<= (+ main_offset 39876) main_length), 140551#(<= (+ main_offset 39872) main_length), 140548#(<= (+ main_offset 39884) main_length), 140549#(<= (+ main_offset 39880) main_length), 140554#(<= (+ main_offset 39860) main_length), 140555#(<= (+ main_offset 39856) main_length), 140552#(<= (+ main_offset 39868) main_length), 140553#(<= (+ main_offset 39864) main_length), 140558#(<= (+ main_offset 39844) main_length), 140559#(<= (+ main_offset 39840) main_length), 140556#(<= (+ main_offset 39852) main_length), 140557#(<= (+ main_offset 39848) main_length), 140562#(<= (+ main_offset 39828) main_length), 140563#(<= (+ main_offset 39824) main_length), 140560#(<= (+ main_offset 39836) main_length), 140561#(<= (+ main_offset 39832) main_length), 140566#(<= (+ main_offset 39812) main_length), 140567#(<= (+ main_offset 39808) main_length), 140564#(<= (+ main_offset 39820) main_length), 140565#(<= (+ main_offset 39816) main_length), 140570#(<= (+ main_offset 39796) main_length), 140571#(<= (+ main_offset 39792) main_length), 140568#(<= (+ main_offset 39804) main_length), 140569#(<= (+ main_offset 39800) main_length), 140574#(<= (+ main_offset 39780) main_length), 140575#(<= (+ main_offset 39776) main_length), 140572#(<= (+ main_offset 39788) main_length), 140573#(<= (+ main_offset 39784) main_length), 140578#(<= (+ main_offset 39764) main_length), 140579#(<= (+ main_offset 39760) main_length), 140576#(<= (+ main_offset 39772) main_length), 140577#(<= (+ main_offset 39768) main_length), 140582#(<= (+ main_offset 39748) main_length), 140583#(<= (+ main_offset 39744) main_length), 140580#(<= (+ main_offset 39756) main_length), 140581#(<= (+ main_offset 39752) main_length), 140586#(<= (+ main_offset 39732) main_length), 140587#(<= (+ main_offset 39728) main_length), 140584#(<= (+ main_offset 39740) main_length), 140585#(<= (+ main_offset 39736) main_length), 140590#(<= (+ main_offset 39716) main_length), 140591#(<= (+ main_offset 39712) main_length), 140588#(<= (+ main_offset 39724) main_length), 140589#(<= (+ main_offset 39720) main_length), 140594#(<= (+ main_offset 39700) main_length), 140595#(<= (+ main_offset 39696) main_length), 140592#(<= (+ main_offset 39708) main_length), 140593#(<= (+ main_offset 39704) main_length), 140598#(<= (+ main_offset 39684) main_length), 140599#(<= (+ main_offset 39680) main_length), 140596#(<= (+ main_offset 39692) main_length), 140597#(<= (+ main_offset 39688) main_length), 140602#(<= (+ main_offset 39668) main_length), 140603#(<= (+ main_offset 39664) main_length), 140600#(<= (+ main_offset 39676) main_length), 140601#(<= (+ main_offset 39672) main_length), 140606#(<= (+ main_offset 39652) main_length), 140607#(<= (+ main_offset 39648) main_length), 140604#(<= (+ main_offset 39660) main_length), 140605#(<= (+ main_offset 39656) main_length), 140610#(<= (+ main_offset 39636) main_length), 140611#(<= (+ main_offset 39632) main_length), 140608#(<= (+ main_offset 39644) main_length), 140609#(<= (+ main_offset 39640) main_length), 140614#(<= (+ main_offset 39620) main_length), 140615#(<= (+ main_offset 39616) main_length), 140612#(<= (+ main_offset 39628) main_length), 140613#(<= (+ main_offset 39624) main_length), 140618#(<= (+ main_offset 39604) main_length), 140619#(<= (+ main_offset 39600) main_length), 140616#(<= (+ main_offset 39612) main_length), 140617#(<= (+ main_offset 39608) main_length), 140622#(<= (+ main_offset 39588) main_length), 140623#(<= (+ main_offset 39584) main_length), 140620#(<= (+ main_offset 39596) main_length), 140621#(<= (+ main_offset 39592) main_length), 140626#(<= (+ main_offset 39572) main_length), 140627#(<= (+ main_offset 39568) main_length), 140624#(<= (+ main_offset 39580) main_length), 140625#(<= (+ main_offset 39576) main_length), 140630#(<= (+ main_offset 39556) main_length), 140631#(<= (+ main_offset 39552) main_length), 140628#(<= (+ main_offset 39564) main_length), 140629#(<= (+ main_offset 39560) main_length), 140634#(<= (+ main_offset 39540) main_length), 140635#(<= (+ main_offset 39536) main_length), 140632#(<= (+ main_offset 39548) main_length), 140633#(<= (+ main_offset 39544) main_length), 140638#(<= (+ main_offset 39524) main_length), 140639#(<= (+ main_offset 39520) main_length), 140636#(<= (+ main_offset 39532) main_length), 140637#(<= (+ main_offset 39528) main_length), 140642#(<= (+ main_offset 39508) main_length), 140643#(<= (+ main_offset 39504) main_length), 140640#(<= (+ main_offset 39516) main_length), 140641#(<= (+ main_offset 39512) main_length), 140646#(<= (+ main_offset 39492) main_length), 140647#(<= (+ main_offset 39488) main_length), 140644#(<= (+ main_offset 39500) main_length), 140645#(<= (+ main_offset 39496) main_length), 140650#(<= (+ main_offset 39476) main_length), 140651#(<= (+ main_offset 39472) main_length), 140648#(<= (+ main_offset 39484) main_length), 140649#(<= (+ main_offset 39480) main_length), 140654#(<= (+ main_offset 39460) main_length), 140655#(<= (+ main_offset 39456) main_length), 140652#(<= (+ main_offset 39468) main_length), 140653#(<= (+ main_offset 39464) main_length), 140658#(<= (+ main_offset 39444) main_length), 140659#(<= (+ main_offset 39440) main_length), 140656#(<= (+ main_offset 39452) main_length), 140657#(<= (+ main_offset 39448) main_length), 140662#(<= (+ main_offset 39428) main_length), 140663#(<= (+ main_offset 39424) main_length), 140660#(<= (+ main_offset 39436) main_length), 140661#(<= (+ main_offset 39432) main_length), 140666#(<= (+ main_offset 39412) main_length), 140667#(<= (+ main_offset 39408) main_length), 140664#(<= (+ main_offset 39420) main_length), 140665#(<= (+ main_offset 39416) main_length), 140670#(<= (+ main_offset 39396) main_length), 140671#(<= (+ main_offset 39392) main_length), 140668#(<= (+ main_offset 39404) main_length), 140669#(<= (+ main_offset 39400) main_length), 140674#(<= (+ main_offset 39380) main_length), 140675#(<= (+ main_offset 39376) main_length), 140672#(<= (+ main_offset 39388) main_length), 140673#(<= (+ main_offset 39384) main_length), 140678#(<= (+ main_offset 39364) main_length), 140679#(<= (+ main_offset 39360) main_length), 140676#(<= (+ main_offset 39372) main_length), 140677#(<= (+ main_offset 39368) main_length), 140682#(<= (+ main_offset 39348) main_length), 140683#(<= (+ main_offset 39344) main_length), 140680#(<= (+ main_offset 39356) main_length), 140681#(<= (+ main_offset 39352) main_length), 140686#(<= (+ main_offset 39332) main_length), 140687#(<= (+ main_offset 39328) main_length), 140684#(<= (+ main_offset 39340) main_length), 140685#(<= (+ main_offset 39336) main_length), 140690#(<= (+ main_offset 39316) main_length), 140691#(<= (+ main_offset 39312) main_length), 140688#(<= (+ main_offset 39324) main_length), 140689#(<= (+ main_offset 39320) main_length), 140692#(<= (+ main_offset 39308) main_length), 140693#(<= (+ main_offset 39304) main_length), 140518#false, 140519#(<= (+ main_offset 40000) main_length), 140517#true, 140522#(<= (+ main_offset 39988) main_length), 140523#(<= (+ main_offset 39984) main_length), 140520#(<= (+ main_offset 39996) main_length), 140521#(<= (+ main_offset 39992) main_length), 140526#(<= (+ main_offset 39972) main_length), 140527#(<= (+ main_offset 39968) main_length), 140524#(<= (+ main_offset 39980) main_length), 140525#(<= (+ main_offset 39976) main_length), 140530#(<= (+ main_offset 39956) main_length), 140531#(<= (+ main_offset 39952) main_length), 140528#(<= (+ main_offset 39964) main_length), 140529#(<= (+ main_offset 39960) main_length), 140534#(<= (+ main_offset 39940) main_length), 140535#(<= (+ main_offset 39936) main_length), 140532#(<= (+ main_offset 39948) main_length), 140533#(<= (+ main_offset 39944) main_length), 140538#(<= (+ main_offset 39924) main_length), 140539#(<= (+ main_offset 39920) main_length), 140536#(<= (+ main_offset 39932) main_length), 140537#(<= (+ main_offset 39928) main_length), 140542#(<= (+ main_offset 39908) main_length), 140543#(<= (+ main_offset 39904) main_length), 140540#(<= (+ main_offset 39916) main_length), 140541#(<= (+ main_offset 39912) main_length)] [2018-07-23 13:56:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30450 backedges. 0 proven. 30450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:26,371 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:56:26,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:56:26,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:56:26,375 INFO L87 Difference]: Start difference. First operand 352 states and 352 transitions. Second operand 177 states. [2018-07-23 13:56:27,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:27,356 INFO L93 Difference]: Finished difference Result 355 states and 355 transitions. [2018-07-23 13:56:27,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:56:27,356 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 351 [2018-07-23 13:56:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:27,356 INFO L225 Difference]: With dead ends: 355 [2018-07-23 13:56:27,356 INFO L226 Difference]: Without dead ends: 354 [2018-07-23 13:56:27,357 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:56:27,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-07-23 13:56:27,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-07-23 13:56:27,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-07-23 13:56:27,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 354 transitions. [2018-07-23 13:56:27,361 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 354 transitions. Word has length 351 [2018-07-23 13:56:27,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:27,362 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 354 transitions. [2018-07-23 13:56:27,362 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:56:27,362 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 354 transitions. [2018-07-23 13:56:27,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-07-23 13:56:27,363 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:27,363 INFO L357 BasicCegarLoop]: trace histogram [176, 175, 1, 1] [2018-07-23 13:56:27,363 INFO L414 AbstractCegarLoop]: === Iteration 176 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:27,363 INFO L82 PathProgramCache]: Analyzing trace with hash 4059518, now seen corresponding path program 175 times [2018-07-23 13:56:27,363 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 30800 backedges. 0 proven. 30800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:28,589 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:28,589 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:56:28,589 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:28,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:28,590 INFO L185 omatonBuilderFactory]: Interpolants [142114#(<= (+ main_offset 40000) main_length), 142115#(<= (+ main_offset 39996) main_length), 142112#true, 142113#false, 142118#(<= (+ main_offset 39984) main_length), 142119#(<= (+ main_offset 39980) main_length), 142116#(<= (+ main_offset 39992) main_length), 142117#(<= (+ main_offset 39988) main_length), 142122#(<= (+ main_offset 39968) main_length), 142123#(<= (+ main_offset 39964) main_length), 142120#(<= (+ main_offset 39976) main_length), 142121#(<= (+ main_offset 39972) main_length), 142126#(<= (+ main_offset 39952) main_length), 142127#(<= (+ main_offset 39948) main_length), 142124#(<= (+ main_offset 39960) main_length), 142125#(<= (+ main_offset 39956) main_length), 142130#(<= (+ main_offset 39936) main_length), 142131#(<= (+ main_offset 39932) main_length), 142128#(<= (+ main_offset 39944) main_length), 142129#(<= (+ main_offset 39940) main_length), 142134#(<= (+ main_offset 39920) main_length), 142135#(<= (+ main_offset 39916) main_length), 142132#(<= (+ main_offset 39928) main_length), 142133#(<= (+ main_offset 39924) main_length), 142138#(<= (+ main_offset 39904) main_length), 142139#(<= (+ main_offset 39900) main_length), 142136#(<= (+ main_offset 39912) main_length), 142137#(<= (+ main_offset 39908) main_length), 142142#(<= (+ main_offset 39888) main_length), 142143#(<= (+ main_offset 39884) main_length), 142140#(<= (+ main_offset 39896) main_length), 142141#(<= (+ main_offset 39892) main_length), 142146#(<= (+ main_offset 39872) main_length), 142147#(<= (+ main_offset 39868) main_length), 142144#(<= (+ main_offset 39880) main_length), 142145#(<= (+ main_offset 39876) main_length), 142150#(<= (+ main_offset 39856) main_length), 142151#(<= (+ main_offset 39852) main_length), 142148#(<= (+ main_offset 39864) main_length), 142149#(<= (+ main_offset 39860) main_length), 142154#(<= (+ main_offset 39840) main_length), 142155#(<= (+ main_offset 39836) main_length), 142152#(<= (+ main_offset 39848) main_length), 142153#(<= (+ main_offset 39844) main_length), 142158#(<= (+ main_offset 39824) main_length), 142159#(<= (+ main_offset 39820) main_length), 142156#(<= (+ main_offset 39832) main_length), 142157#(<= (+ main_offset 39828) main_length), 142162#(<= (+ main_offset 39808) main_length), 142163#(<= (+ main_offset 39804) main_length), 142160#(<= (+ main_offset 39816) main_length), 142161#(<= (+ main_offset 39812) main_length), 142166#(<= (+ main_offset 39792) main_length), 142167#(<= (+ main_offset 39788) main_length), 142164#(<= (+ main_offset 39800) main_length), 142165#(<= (+ main_offset 39796) main_length), 142170#(<= (+ main_offset 39776) main_length), 142171#(<= (+ main_offset 39772) main_length), 142168#(<= (+ main_offset 39784) main_length), 142169#(<= (+ main_offset 39780) main_length), 142174#(<= (+ main_offset 39760) main_length), 142175#(<= (+ main_offset 39756) main_length), 142172#(<= (+ main_offset 39768) main_length), 142173#(<= (+ main_offset 39764) main_length), 142178#(<= (+ main_offset 39744) main_length), 142179#(<= (+ main_offset 39740) main_length), 142176#(<= (+ main_offset 39752) main_length), 142177#(<= (+ main_offset 39748) main_length), 142182#(<= (+ main_offset 39728) main_length), 142183#(<= (+ main_offset 39724) main_length), 142180#(<= (+ main_offset 39736) main_length), 142181#(<= (+ main_offset 39732) main_length), 142186#(<= (+ main_offset 39712) main_length), 142187#(<= (+ main_offset 39708) main_length), 142184#(<= (+ main_offset 39720) main_length), 142185#(<= (+ main_offset 39716) main_length), 142190#(<= (+ main_offset 39696) main_length), 142191#(<= (+ main_offset 39692) main_length), 142188#(<= (+ main_offset 39704) main_length), 142189#(<= (+ main_offset 39700) main_length), 142194#(<= (+ main_offset 39680) main_length), 142195#(<= (+ main_offset 39676) main_length), 142192#(<= (+ main_offset 39688) main_length), 142193#(<= (+ main_offset 39684) main_length), 142198#(<= (+ main_offset 39664) main_length), 142199#(<= (+ main_offset 39660) main_length), 142196#(<= (+ main_offset 39672) main_length), 142197#(<= (+ main_offset 39668) main_length), 142202#(<= (+ main_offset 39648) main_length), 142203#(<= (+ main_offset 39644) main_length), 142200#(<= (+ main_offset 39656) main_length), 142201#(<= (+ main_offset 39652) main_length), 142206#(<= (+ main_offset 39632) main_length), 142207#(<= (+ main_offset 39628) main_length), 142204#(<= (+ main_offset 39640) main_length), 142205#(<= (+ main_offset 39636) main_length), 142210#(<= (+ main_offset 39616) main_length), 142211#(<= (+ main_offset 39612) main_length), 142208#(<= (+ main_offset 39624) main_length), 142209#(<= (+ main_offset 39620) main_length), 142214#(<= (+ main_offset 39600) main_length), 142215#(<= (+ main_offset 39596) main_length), 142212#(<= (+ main_offset 39608) main_length), 142213#(<= (+ main_offset 39604) main_length), 142218#(<= (+ main_offset 39584) main_length), 142219#(<= (+ main_offset 39580) main_length), 142216#(<= (+ main_offset 39592) main_length), 142217#(<= (+ main_offset 39588) main_length), 142222#(<= (+ main_offset 39568) main_length), 142223#(<= (+ main_offset 39564) main_length), 142220#(<= (+ main_offset 39576) main_length), 142221#(<= (+ main_offset 39572) main_length), 142226#(<= (+ main_offset 39552) main_length), 142227#(<= (+ main_offset 39548) main_length), 142224#(<= (+ main_offset 39560) main_length), 142225#(<= (+ main_offset 39556) main_length), 142230#(<= (+ main_offset 39536) main_length), 142231#(<= (+ main_offset 39532) main_length), 142228#(<= (+ main_offset 39544) main_length), 142229#(<= (+ main_offset 39540) main_length), 142234#(<= (+ main_offset 39520) main_length), 142235#(<= (+ main_offset 39516) main_length), 142232#(<= (+ main_offset 39528) main_length), 142233#(<= (+ main_offset 39524) main_length), 142238#(<= (+ main_offset 39504) main_length), 142239#(<= (+ main_offset 39500) main_length), 142236#(<= (+ main_offset 39512) main_length), 142237#(<= (+ main_offset 39508) main_length), 142242#(<= (+ main_offset 39488) main_length), 142243#(<= (+ main_offset 39484) main_length), 142240#(<= (+ main_offset 39496) main_length), 142241#(<= (+ main_offset 39492) main_length), 142246#(<= (+ main_offset 39472) main_length), 142247#(<= (+ main_offset 39468) main_length), 142244#(<= (+ main_offset 39480) main_length), 142245#(<= (+ main_offset 39476) main_length), 142250#(<= (+ main_offset 39456) main_length), 142251#(<= (+ main_offset 39452) main_length), 142248#(<= (+ main_offset 39464) main_length), 142249#(<= (+ main_offset 39460) main_length), 142254#(<= (+ main_offset 39440) main_length), 142255#(<= (+ main_offset 39436) main_length), 142252#(<= (+ main_offset 39448) main_length), 142253#(<= (+ main_offset 39444) main_length), 142258#(<= (+ main_offset 39424) main_length), 142259#(<= (+ main_offset 39420) main_length), 142256#(<= (+ main_offset 39432) main_length), 142257#(<= (+ main_offset 39428) main_length), 142262#(<= (+ main_offset 39408) main_length), 142263#(<= (+ main_offset 39404) main_length), 142260#(<= (+ main_offset 39416) main_length), 142261#(<= (+ main_offset 39412) main_length), 142266#(<= (+ main_offset 39392) main_length), 142267#(<= (+ main_offset 39388) main_length), 142264#(<= (+ main_offset 39400) main_length), 142265#(<= (+ main_offset 39396) main_length), 142270#(<= (+ main_offset 39376) main_length), 142271#(<= (+ main_offset 39372) main_length), 142268#(<= (+ main_offset 39384) main_length), 142269#(<= (+ main_offset 39380) main_length), 142274#(<= (+ main_offset 39360) main_length), 142275#(<= (+ main_offset 39356) main_length), 142272#(<= (+ main_offset 39368) main_length), 142273#(<= (+ main_offset 39364) main_length), 142278#(<= (+ main_offset 39344) main_length), 142279#(<= (+ main_offset 39340) main_length), 142276#(<= (+ main_offset 39352) main_length), 142277#(<= (+ main_offset 39348) main_length), 142282#(<= (+ main_offset 39328) main_length), 142283#(<= (+ main_offset 39324) main_length), 142280#(<= (+ main_offset 39336) main_length), 142281#(<= (+ main_offset 39332) main_length), 142286#(<= (+ main_offset 39312) main_length), 142287#(<= (+ main_offset 39308) main_length), 142284#(<= (+ main_offset 39320) main_length), 142285#(<= (+ main_offset 39316) main_length), 142288#(<= (+ main_offset 39304) main_length), 142289#(<= (+ main_offset 39300) main_length)] [2018-07-23 13:56:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 30800 backedges. 0 proven. 30800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:28,591 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:56:28,593 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:56:28,594 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:56:28,594 INFO L87 Difference]: Start difference. First operand 354 states and 354 transitions. Second operand 178 states. [2018-07-23 13:56:29,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:29,949 INFO L93 Difference]: Finished difference Result 357 states and 357 transitions. [2018-07-23 13:56:29,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:56:29,950 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 353 [2018-07-23 13:56:29,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:29,950 INFO L225 Difference]: With dead ends: 357 [2018-07-23 13:56:29,950 INFO L226 Difference]: Without dead ends: 356 [2018-07-23 13:56:29,952 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:56:29,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-07-23 13:56:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-07-23 13:56:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-07-23 13:56:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 356 transitions. [2018-07-23 13:56:29,956 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 356 transitions. Word has length 353 [2018-07-23 13:56:29,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:29,956 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 356 transitions. [2018-07-23 13:56:29,956 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:56:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 356 transitions. [2018-07-23 13:56:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-07-23 13:56:29,958 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:29,958 INFO L357 BasicCegarLoop]: trace histogram [177, 176, 1, 1] [2018-07-23 13:56:29,958 INFO L414 AbstractCegarLoop]: === Iteration 177 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:29,958 INFO L82 PathProgramCache]: Analyzing trace with hash -393769408, now seen corresponding path program 176 times [2018-07-23 13:56:29,958 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 31152 backedges. 0 proven. 31152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:31,234 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:31,234 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:56:31,234 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:31,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:31,235 INFO L185 omatonBuilderFactory]: Interpolants [143874#(<= (+ main_offset 39376) main_length), 143875#(<= (+ main_offset 39372) main_length), 143872#(<= (+ main_offset 39384) main_length), 143873#(<= (+ main_offset 39380) main_length), 143878#(<= (+ main_offset 39360) main_length), 143879#(<= (+ main_offset 39356) main_length), 143876#(<= (+ main_offset 39368) main_length), 143877#(<= (+ main_offset 39364) main_length), 143882#(<= (+ main_offset 39344) main_length), 143883#(<= (+ main_offset 39340) main_length), 143880#(<= (+ main_offset 39352) main_length), 143881#(<= (+ main_offset 39348) main_length), 143886#(<= (+ main_offset 39328) main_length), 143887#(<= (+ main_offset 39324) main_length), 143884#(<= (+ main_offset 39336) main_length), 143885#(<= (+ main_offset 39332) main_length), 143890#(<= (+ main_offset 39312) main_length), 143891#(<= (+ main_offset 39308) main_length), 143888#(<= (+ main_offset 39320) main_length), 143889#(<= (+ main_offset 39316) main_length), 143894#(<= (+ main_offset 39296) main_length), 143892#(<= (+ main_offset 39304) main_length), 143893#(<= (+ main_offset 39300) main_length), 143718#(<= (+ main_offset 40000) main_length), 143719#(<= (+ main_offset 39996) main_length), 143716#true, 143717#false, 143722#(<= (+ main_offset 39984) main_length), 143723#(<= (+ main_offset 39980) main_length), 143720#(<= (+ main_offset 39992) main_length), 143721#(<= (+ main_offset 39988) main_length), 143726#(<= (+ main_offset 39968) main_length), 143727#(<= (+ main_offset 39964) main_length), 143724#(<= (+ main_offset 39976) main_length), 143725#(<= (+ main_offset 39972) main_length), 143730#(<= (+ main_offset 39952) main_length), 143731#(<= (+ main_offset 39948) main_length), 143728#(<= (+ main_offset 39960) main_length), 143729#(<= (+ main_offset 39956) main_length), 143734#(<= (+ main_offset 39936) main_length), 143735#(<= (+ main_offset 39932) main_length), 143732#(<= (+ main_offset 39944) main_length), 143733#(<= (+ main_offset 39940) main_length), 143738#(<= (+ main_offset 39920) main_length), 143739#(<= (+ main_offset 39916) main_length), 143736#(<= (+ main_offset 39928) main_length), 143737#(<= (+ main_offset 39924) main_length), 143742#(<= (+ main_offset 39904) main_length), 143743#(<= (+ main_offset 39900) main_length), 143740#(<= (+ main_offset 39912) main_length), 143741#(<= (+ main_offset 39908) main_length), 143746#(<= (+ main_offset 39888) main_length), 143747#(<= (+ main_offset 39884) main_length), 143744#(<= (+ main_offset 39896) main_length), 143745#(<= (+ main_offset 39892) main_length), 143750#(<= (+ main_offset 39872) main_length), 143751#(<= (+ main_offset 39868) main_length), 143748#(<= (+ main_offset 39880) main_length), 143749#(<= (+ main_offset 39876) main_length), 143754#(<= (+ main_offset 39856) main_length), 143755#(<= (+ main_offset 39852) main_length), 143752#(<= (+ main_offset 39864) main_length), 143753#(<= (+ main_offset 39860) main_length), 143758#(<= (+ main_offset 39840) main_length), 143759#(<= (+ main_offset 39836) main_length), 143756#(<= (+ main_offset 39848) main_length), 143757#(<= (+ main_offset 39844) main_length), 143762#(<= (+ main_offset 39824) main_length), 143763#(<= (+ main_offset 39820) main_length), 143760#(<= (+ main_offset 39832) main_length), 143761#(<= (+ main_offset 39828) main_length), 143766#(<= (+ main_offset 39808) main_length), 143767#(<= (+ main_offset 39804) main_length), 143764#(<= (+ main_offset 39816) main_length), 143765#(<= (+ main_offset 39812) main_length), 143770#(<= (+ main_offset 39792) main_length), 143771#(<= (+ main_offset 39788) main_length), 143768#(<= (+ main_offset 39800) main_length), 143769#(<= (+ main_offset 39796) main_length), 143774#(<= (+ main_offset 39776) main_length), 143775#(<= (+ main_offset 39772) main_length), 143772#(<= (+ main_offset 39784) main_length), 143773#(<= (+ main_offset 39780) main_length), 143778#(<= (+ main_offset 39760) main_length), 143779#(<= (+ main_offset 39756) main_length), 143776#(<= (+ main_offset 39768) main_length), 143777#(<= (+ main_offset 39764) main_length), 143782#(<= (+ main_offset 39744) main_length), 143783#(<= (+ main_offset 39740) main_length), 143780#(<= (+ main_offset 39752) main_length), 143781#(<= (+ main_offset 39748) main_length), 143786#(<= (+ main_offset 39728) main_length), 143787#(<= (+ main_offset 39724) main_length), 143784#(<= (+ main_offset 39736) main_length), 143785#(<= (+ main_offset 39732) main_length), 143790#(<= (+ main_offset 39712) main_length), 143791#(<= (+ main_offset 39708) main_length), 143788#(<= (+ main_offset 39720) main_length), 143789#(<= (+ main_offset 39716) main_length), 143794#(<= (+ main_offset 39696) main_length), 143795#(<= (+ main_offset 39692) main_length), 143792#(<= (+ main_offset 39704) main_length), 143793#(<= (+ main_offset 39700) main_length), 143798#(<= (+ main_offset 39680) main_length), 143799#(<= (+ main_offset 39676) main_length), 143796#(<= (+ main_offset 39688) main_length), 143797#(<= (+ main_offset 39684) main_length), 143802#(<= (+ main_offset 39664) main_length), 143803#(<= (+ main_offset 39660) main_length), 143800#(<= (+ main_offset 39672) main_length), 143801#(<= (+ main_offset 39668) main_length), 143806#(<= (+ main_offset 39648) main_length), 143807#(<= (+ main_offset 39644) main_length), 143804#(<= (+ main_offset 39656) main_length), 143805#(<= (+ main_offset 39652) main_length), 143810#(<= (+ main_offset 39632) main_length), 143811#(<= (+ main_offset 39628) main_length), 143808#(<= (+ main_offset 39640) main_length), 143809#(<= (+ main_offset 39636) main_length), 143814#(<= (+ main_offset 39616) main_length), 143815#(<= (+ main_offset 39612) main_length), 143812#(<= (+ main_offset 39624) main_length), 143813#(<= (+ main_offset 39620) main_length), 143818#(<= (+ main_offset 39600) main_length), 143819#(<= (+ main_offset 39596) main_length), 143816#(<= (+ main_offset 39608) main_length), 143817#(<= (+ main_offset 39604) main_length), 143822#(<= (+ main_offset 39584) main_length), 143823#(<= (+ main_offset 39580) main_length), 143820#(<= (+ main_offset 39592) main_length), 143821#(<= (+ main_offset 39588) main_length), 143826#(<= (+ main_offset 39568) main_length), 143827#(<= (+ main_offset 39564) main_length), 143824#(<= (+ main_offset 39576) main_length), 143825#(<= (+ main_offset 39572) main_length), 143830#(<= (+ main_offset 39552) main_length), 143831#(<= (+ main_offset 39548) main_length), 143828#(<= (+ main_offset 39560) main_length), 143829#(<= (+ main_offset 39556) main_length), 143834#(<= (+ main_offset 39536) main_length), 143835#(<= (+ main_offset 39532) main_length), 143832#(<= (+ main_offset 39544) main_length), 143833#(<= (+ main_offset 39540) main_length), 143838#(<= (+ main_offset 39520) main_length), 143839#(<= (+ main_offset 39516) main_length), 143836#(<= (+ main_offset 39528) main_length), 143837#(<= (+ main_offset 39524) main_length), 143842#(<= (+ main_offset 39504) main_length), 143843#(<= (+ main_offset 39500) main_length), 143840#(<= (+ main_offset 39512) main_length), 143841#(<= (+ main_offset 39508) main_length), 143846#(<= (+ main_offset 39488) main_length), 143847#(<= (+ main_offset 39484) main_length), 143844#(<= (+ main_offset 39496) main_length), 143845#(<= (+ main_offset 39492) main_length), 143850#(<= (+ main_offset 39472) main_length), 143851#(<= (+ main_offset 39468) main_length), 143848#(<= (+ main_offset 39480) main_length), 143849#(<= (+ main_offset 39476) main_length), 143854#(<= (+ main_offset 39456) main_length), 143855#(<= (+ main_offset 39452) main_length), 143852#(<= (+ main_offset 39464) main_length), 143853#(<= (+ main_offset 39460) main_length), 143858#(<= (+ main_offset 39440) main_length), 143859#(<= (+ main_offset 39436) main_length), 143856#(<= (+ main_offset 39448) main_length), 143857#(<= (+ main_offset 39444) main_length), 143862#(<= (+ main_offset 39424) main_length), 143863#(<= (+ main_offset 39420) main_length), 143860#(<= (+ main_offset 39432) main_length), 143861#(<= (+ main_offset 39428) main_length), 143866#(<= (+ main_offset 39408) main_length), 143867#(<= (+ main_offset 39404) main_length), 143864#(<= (+ main_offset 39416) main_length), 143865#(<= (+ main_offset 39412) main_length), 143870#(<= (+ main_offset 39392) main_length), 143871#(<= (+ main_offset 39388) main_length), 143868#(<= (+ main_offset 39400) main_length), 143869#(<= (+ main_offset 39396) main_length)] [2018-07-23 13:56:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 31152 backedges. 0 proven. 31152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:31,236 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:56:31,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:56:31,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:56:31,240 INFO L87 Difference]: Start difference. First operand 356 states and 356 transitions. Second operand 179 states. [2018-07-23 13:56:32,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:32,090 INFO L93 Difference]: Finished difference Result 359 states and 359 transitions. [2018-07-23 13:56:32,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:56:32,090 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 355 [2018-07-23 13:56:32,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:32,091 INFO L225 Difference]: With dead ends: 359 [2018-07-23 13:56:32,091 INFO L226 Difference]: Without dead ends: 358 [2018-07-23 13:56:32,093 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:56:32,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-07-23 13:56:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2018-07-23 13:56:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-07-23 13:56:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 358 transitions. [2018-07-23 13:56:32,097 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 358 transitions. Word has length 355 [2018-07-23 13:56:32,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:32,098 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 358 transitions. [2018-07-23 13:56:32,098 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:56:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 358 transitions. [2018-07-23 13:56:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-07-23 13:56:32,099 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:32,099 INFO L357 BasicCegarLoop]: trace histogram [178, 177, 1, 1] [2018-07-23 13:56:32,099 INFO L414 AbstractCegarLoop]: === Iteration 178 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:32,099 INFO L82 PathProgramCache]: Analyzing trace with hash -455277950, now seen corresponding path program 177 times [2018-07-23 13:56:32,099 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 31506 backedges. 0 proven. 31506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:33,269 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:33,269 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:56:33,269 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:33,270 INFO L185 omatonBuilderFactory]: Interpolants [145410#(<= (+ main_offset 39684) main_length), 145411#(<= (+ main_offset 39680) main_length), 145408#(<= (+ main_offset 39692) main_length), 145409#(<= (+ main_offset 39688) main_length), 145414#(<= (+ main_offset 39668) main_length), 145415#(<= (+ main_offset 39664) main_length), 145412#(<= (+ main_offset 39676) main_length), 145413#(<= (+ main_offset 39672) main_length), 145418#(<= (+ main_offset 39652) main_length), 145419#(<= (+ main_offset 39648) main_length), 145416#(<= (+ main_offset 39660) main_length), 145417#(<= (+ main_offset 39656) main_length), 145422#(<= (+ main_offset 39636) main_length), 145423#(<= (+ main_offset 39632) main_length), 145420#(<= (+ main_offset 39644) main_length), 145421#(<= (+ main_offset 39640) main_length), 145426#(<= (+ main_offset 39620) main_length), 145427#(<= (+ main_offset 39616) main_length), 145424#(<= (+ main_offset 39628) main_length), 145425#(<= (+ main_offset 39624) main_length), 145430#(<= (+ main_offset 39604) main_length), 145431#(<= (+ main_offset 39600) main_length), 145428#(<= (+ main_offset 39612) main_length), 145429#(<= (+ main_offset 39608) main_length), 145434#(<= (+ main_offset 39588) main_length), 145435#(<= (+ main_offset 39584) main_length), 145432#(<= (+ main_offset 39596) main_length), 145433#(<= (+ main_offset 39592) main_length), 145438#(<= (+ main_offset 39572) main_length), 145439#(<= (+ main_offset 39568) main_length), 145436#(<= (+ main_offset 39580) main_length), 145437#(<= (+ main_offset 39576) main_length), 145442#(<= (+ main_offset 39556) main_length), 145443#(<= (+ main_offset 39552) main_length), 145440#(<= (+ main_offset 39564) main_length), 145441#(<= (+ main_offset 39560) main_length), 145446#(<= (+ main_offset 39540) main_length), 145447#(<= (+ main_offset 39536) main_length), 145444#(<= (+ main_offset 39548) main_length), 145445#(<= (+ main_offset 39544) main_length), 145450#(<= (+ main_offset 39524) main_length), 145451#(<= (+ main_offset 39520) main_length), 145448#(<= (+ main_offset 39532) main_length), 145449#(<= (+ main_offset 39528) main_length), 145454#(<= (+ main_offset 39508) main_length), 145455#(<= (+ main_offset 39504) main_length), 145452#(<= (+ main_offset 39516) main_length), 145453#(<= (+ main_offset 39512) main_length), 145458#(<= (+ main_offset 39492) main_length), 145459#(<= (+ main_offset 39488) main_length), 145456#(<= (+ main_offset 39500) main_length), 145457#(<= (+ main_offset 39496) main_length), 145462#(<= (+ main_offset 39476) main_length), 145463#(<= (+ main_offset 39472) main_length), 145460#(<= (+ main_offset 39484) main_length), 145461#(<= (+ main_offset 39480) main_length), 145466#(<= (+ main_offset 39460) main_length), 145467#(<= (+ main_offset 39456) main_length), 145464#(<= (+ main_offset 39468) main_length), 145465#(<= (+ main_offset 39464) main_length), 145470#(<= (+ main_offset 39444) main_length), 145471#(<= (+ main_offset 39440) main_length), 145468#(<= (+ main_offset 39452) main_length), 145469#(<= (+ main_offset 39448) main_length), 145474#(<= (+ main_offset 39428) main_length), 145475#(<= (+ main_offset 39424) main_length), 145472#(<= (+ main_offset 39436) main_length), 145473#(<= (+ main_offset 39432) main_length), 145478#(<= (+ main_offset 39412) main_length), 145479#(<= (+ main_offset 39408) main_length), 145476#(<= (+ main_offset 39420) main_length), 145477#(<= (+ main_offset 39416) main_length), 145482#(<= (+ main_offset 39396) main_length), 145483#(<= (+ main_offset 39392) main_length), 145480#(<= (+ main_offset 39404) main_length), 145481#(<= (+ main_offset 39400) main_length), 145486#(<= (+ main_offset 39380) main_length), 145487#(<= (+ main_offset 39376) main_length), 145484#(<= (+ main_offset 39388) main_length), 145485#(<= (+ main_offset 39384) main_length), 145490#(<= (+ main_offset 39364) main_length), 145491#(<= (+ main_offset 39360) main_length), 145488#(<= (+ main_offset 39372) main_length), 145489#(<= (+ main_offset 39368) main_length), 145494#(<= (+ main_offset 39348) main_length), 145495#(<= (+ main_offset 39344) main_length), 145492#(<= (+ main_offset 39356) main_length), 145493#(<= (+ main_offset 39352) main_length), 145498#(<= (+ main_offset 39332) main_length), 145499#(<= (+ main_offset 39328) main_length), 145496#(<= (+ main_offset 39340) main_length), 145497#(<= (+ main_offset 39336) main_length), 145502#(<= (+ main_offset 39316) main_length), 145503#(<= (+ main_offset 39312) main_length), 145500#(<= (+ main_offset 39324) main_length), 145501#(<= (+ main_offset 39320) main_length), 145506#(<= (+ main_offset 39300) main_length), 145507#(<= (+ main_offset 39296) main_length), 145504#(<= (+ main_offset 39308) main_length), 145505#(<= (+ main_offset 39304) main_length), 145508#(<= (+ main_offset 39292) main_length), 145330#false, 145331#(<= (+ main_offset 40000) main_length), 145329#true, 145334#(<= (+ main_offset 39988) main_length), 145335#(<= (+ main_offset 39984) main_length), 145332#(<= (+ main_offset 39996) main_length), 145333#(<= (+ main_offset 39992) main_length), 145338#(<= (+ main_offset 39972) main_length), 145339#(<= (+ main_offset 39968) main_length), 145336#(<= (+ main_offset 39980) main_length), 145337#(<= (+ main_offset 39976) main_length), 145342#(<= (+ main_offset 39956) main_length), 145343#(<= (+ main_offset 39952) main_length), 145340#(<= (+ main_offset 39964) main_length), 145341#(<= (+ main_offset 39960) main_length), 145346#(<= (+ main_offset 39940) main_length), 145347#(<= (+ main_offset 39936) main_length), 145344#(<= (+ main_offset 39948) main_length), 145345#(<= (+ main_offset 39944) main_length), 145350#(<= (+ main_offset 39924) main_length), 145351#(<= (+ main_offset 39920) main_length), 145348#(<= (+ main_offset 39932) main_length), 145349#(<= (+ main_offset 39928) main_length), 145354#(<= (+ main_offset 39908) main_length), 145355#(<= (+ main_offset 39904) main_length), 145352#(<= (+ main_offset 39916) main_length), 145353#(<= (+ main_offset 39912) main_length), 145358#(<= (+ main_offset 39892) main_length), 145359#(<= (+ main_offset 39888) main_length), 145356#(<= (+ main_offset 39900) main_length), 145357#(<= (+ main_offset 39896) main_length), 145362#(<= (+ main_offset 39876) main_length), 145363#(<= (+ main_offset 39872) main_length), 145360#(<= (+ main_offset 39884) main_length), 145361#(<= (+ main_offset 39880) main_length), 145366#(<= (+ main_offset 39860) main_length), 145367#(<= (+ main_offset 39856) main_length), 145364#(<= (+ main_offset 39868) main_length), 145365#(<= (+ main_offset 39864) main_length), 145370#(<= (+ main_offset 39844) main_length), 145371#(<= (+ main_offset 39840) main_length), 145368#(<= (+ main_offset 39852) main_length), 145369#(<= (+ main_offset 39848) main_length), 145374#(<= (+ main_offset 39828) main_length), 145375#(<= (+ main_offset 39824) main_length), 145372#(<= (+ main_offset 39836) main_length), 145373#(<= (+ main_offset 39832) main_length), 145378#(<= (+ main_offset 39812) main_length), 145379#(<= (+ main_offset 39808) main_length), 145376#(<= (+ main_offset 39820) main_length), 145377#(<= (+ main_offset 39816) main_length), 145382#(<= (+ main_offset 39796) main_length), 145383#(<= (+ main_offset 39792) main_length), 145380#(<= (+ main_offset 39804) main_length), 145381#(<= (+ main_offset 39800) main_length), 145386#(<= (+ main_offset 39780) main_length), 145387#(<= (+ main_offset 39776) main_length), 145384#(<= (+ main_offset 39788) main_length), 145385#(<= (+ main_offset 39784) main_length), 145390#(<= (+ main_offset 39764) main_length), 145391#(<= (+ main_offset 39760) main_length), 145388#(<= (+ main_offset 39772) main_length), 145389#(<= (+ main_offset 39768) main_length), 145394#(<= (+ main_offset 39748) main_length), 145395#(<= (+ main_offset 39744) main_length), 145392#(<= (+ main_offset 39756) main_length), 145393#(<= (+ main_offset 39752) main_length), 145398#(<= (+ main_offset 39732) main_length), 145399#(<= (+ main_offset 39728) main_length), 145396#(<= (+ main_offset 39740) main_length), 145397#(<= (+ main_offset 39736) main_length), 145402#(<= (+ main_offset 39716) main_length), 145403#(<= (+ main_offset 39712) main_length), 145400#(<= (+ main_offset 39724) main_length), 145401#(<= (+ main_offset 39720) main_length), 145406#(<= (+ main_offset 39700) main_length), 145407#(<= (+ main_offset 39696) main_length), 145404#(<= (+ main_offset 39708) main_length), 145405#(<= (+ main_offset 39704) main_length)] [2018-07-23 13:56:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 31506 backedges. 0 proven. 31506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:33,272 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:56:33,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:56:33,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:56:33,276 INFO L87 Difference]: Start difference. First operand 358 states and 358 transitions. Second operand 180 states. [2018-07-23 13:56:33,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:33,802 INFO L93 Difference]: Finished difference Result 361 states and 361 transitions. [2018-07-23 13:56:33,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:56:33,802 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 357 [2018-07-23 13:56:33,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:33,802 INFO L225 Difference]: With dead ends: 361 [2018-07-23 13:56:33,803 INFO L226 Difference]: Without dead ends: 360 [2018-07-23 13:56:33,805 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:56:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-07-23 13:56:33,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2018-07-23 13:56:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-07-23 13:56:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 360 transitions. [2018-07-23 13:56:33,810 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 360 transitions. Word has length 357 [2018-07-23 13:56:33,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:33,810 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 360 transitions. [2018-07-23 13:56:33,810 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:56:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 360 transitions. [2018-07-23 13:56:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-07-23 13:56:33,811 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:33,811 INFO L357 BasicCegarLoop]: trace histogram [179, 178, 1, 1] [2018-07-23 13:56:33,811 INFO L414 AbstractCegarLoop]: === Iteration 179 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:33,811 INFO L82 PathProgramCache]: Analyzing trace with hash 564555332, now seen corresponding path program 178 times [2018-07-23 13:56:33,811 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 31862 backedges. 0 proven. 31862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:35,004 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:35,004 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:56:35,005 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:35,005 INFO L185 omatonBuilderFactory]: Interpolants [146951#true, 146954#(<= (+ main_offset 39996) main_length), 146955#(<= (+ main_offset 39992) main_length), 146952#false, 146953#(<= (+ main_offset 40000) main_length), 146958#(<= (+ main_offset 39980) main_length), 146959#(<= (+ main_offset 39976) main_length), 146956#(<= (+ main_offset 39988) main_length), 146957#(<= (+ main_offset 39984) main_length), 146962#(<= (+ main_offset 39964) main_length), 146963#(<= (+ main_offset 39960) main_length), 146960#(<= (+ main_offset 39972) main_length), 146961#(<= (+ main_offset 39968) main_length), 146966#(<= (+ main_offset 39948) main_length), 146967#(<= (+ main_offset 39944) main_length), 146964#(<= (+ main_offset 39956) main_length), 146965#(<= (+ main_offset 39952) main_length), 146970#(<= (+ main_offset 39932) main_length), 146971#(<= (+ main_offset 39928) main_length), 146968#(<= (+ main_offset 39940) main_length), 146969#(<= (+ main_offset 39936) main_length), 146974#(<= (+ main_offset 39916) main_length), 146975#(<= (+ main_offset 39912) main_length), 146972#(<= (+ main_offset 39924) main_length), 146973#(<= (+ main_offset 39920) main_length), 146978#(<= (+ main_offset 39900) main_length), 146979#(<= (+ main_offset 39896) main_length), 146976#(<= (+ main_offset 39908) main_length), 146977#(<= (+ main_offset 39904) main_length), 146982#(<= (+ main_offset 39884) main_length), 146983#(<= (+ main_offset 39880) main_length), 146980#(<= (+ main_offset 39892) main_length), 146981#(<= (+ main_offset 39888) main_length), 146986#(<= (+ main_offset 39868) main_length), 146987#(<= (+ main_offset 39864) main_length), 146984#(<= (+ main_offset 39876) main_length), 146985#(<= (+ main_offset 39872) main_length), 146990#(<= (+ main_offset 39852) main_length), 146991#(<= (+ main_offset 39848) main_length), 146988#(<= (+ main_offset 39860) main_length), 146989#(<= (+ main_offset 39856) main_length), 146994#(<= (+ main_offset 39836) main_length), 146995#(<= (+ main_offset 39832) main_length), 146992#(<= (+ main_offset 39844) main_length), 146993#(<= (+ main_offset 39840) main_length), 146998#(<= (+ main_offset 39820) main_length), 146999#(<= (+ main_offset 39816) main_length), 146996#(<= (+ main_offset 39828) main_length), 146997#(<= (+ main_offset 39824) main_length), 147002#(<= (+ main_offset 39804) main_length), 147003#(<= (+ main_offset 39800) main_length), 147000#(<= (+ main_offset 39812) main_length), 147001#(<= (+ main_offset 39808) main_length), 147006#(<= (+ main_offset 39788) main_length), 147007#(<= (+ main_offset 39784) main_length), 147004#(<= (+ main_offset 39796) main_length), 147005#(<= (+ main_offset 39792) main_length), 147010#(<= (+ main_offset 39772) main_length), 147011#(<= (+ main_offset 39768) main_length), 147008#(<= (+ main_offset 39780) main_length), 147009#(<= (+ main_offset 39776) main_length), 147014#(<= (+ main_offset 39756) main_length), 147015#(<= (+ main_offset 39752) main_length), 147012#(<= (+ main_offset 39764) main_length), 147013#(<= (+ main_offset 39760) main_length), 147018#(<= (+ main_offset 39740) main_length), 147019#(<= (+ main_offset 39736) main_length), 147016#(<= (+ main_offset 39748) main_length), 147017#(<= (+ main_offset 39744) main_length), 147022#(<= (+ main_offset 39724) main_length), 147023#(<= (+ main_offset 39720) main_length), 147020#(<= (+ main_offset 39732) main_length), 147021#(<= (+ main_offset 39728) main_length), 147026#(<= (+ main_offset 39708) main_length), 147027#(<= (+ main_offset 39704) main_length), 147024#(<= (+ main_offset 39716) main_length), 147025#(<= (+ main_offset 39712) main_length), 147030#(<= (+ main_offset 39692) main_length), 147031#(<= (+ main_offset 39688) main_length), 147028#(<= (+ main_offset 39700) main_length), 147029#(<= (+ main_offset 39696) main_length), 147034#(<= (+ main_offset 39676) main_length), 147035#(<= (+ main_offset 39672) main_length), 147032#(<= (+ main_offset 39684) main_length), 147033#(<= (+ main_offset 39680) main_length), 147038#(<= (+ main_offset 39660) main_length), 147039#(<= (+ main_offset 39656) main_length), 147036#(<= (+ main_offset 39668) main_length), 147037#(<= (+ main_offset 39664) main_length), 147042#(<= (+ main_offset 39644) main_length), 147043#(<= (+ main_offset 39640) main_length), 147040#(<= (+ main_offset 39652) main_length), 147041#(<= (+ main_offset 39648) main_length), 147046#(<= (+ main_offset 39628) main_length), 147047#(<= (+ main_offset 39624) main_length), 147044#(<= (+ main_offset 39636) main_length), 147045#(<= (+ main_offset 39632) main_length), 147050#(<= (+ main_offset 39612) main_length), 147051#(<= (+ main_offset 39608) main_length), 147048#(<= (+ main_offset 39620) main_length), 147049#(<= (+ main_offset 39616) main_length), 147054#(<= (+ main_offset 39596) main_length), 147055#(<= (+ main_offset 39592) main_length), 147052#(<= (+ main_offset 39604) main_length), 147053#(<= (+ main_offset 39600) main_length), 147058#(<= (+ main_offset 39580) main_length), 147059#(<= (+ main_offset 39576) main_length), 147056#(<= (+ main_offset 39588) main_length), 147057#(<= (+ main_offset 39584) main_length), 147062#(<= (+ main_offset 39564) main_length), 147063#(<= (+ main_offset 39560) main_length), 147060#(<= (+ main_offset 39572) main_length), 147061#(<= (+ main_offset 39568) main_length), 147066#(<= (+ main_offset 39548) main_length), 147067#(<= (+ main_offset 39544) main_length), 147064#(<= (+ main_offset 39556) main_length), 147065#(<= (+ main_offset 39552) main_length), 147070#(<= (+ main_offset 39532) main_length), 147071#(<= (+ main_offset 39528) main_length), 147068#(<= (+ main_offset 39540) main_length), 147069#(<= (+ main_offset 39536) main_length), 147074#(<= (+ main_offset 39516) main_length), 147075#(<= (+ main_offset 39512) main_length), 147072#(<= (+ main_offset 39524) main_length), 147073#(<= (+ main_offset 39520) main_length), 147078#(<= (+ main_offset 39500) main_length), 147079#(<= (+ main_offset 39496) main_length), 147076#(<= (+ main_offset 39508) main_length), 147077#(<= (+ main_offset 39504) main_length), 147082#(<= (+ main_offset 39484) main_length), 147083#(<= (+ main_offset 39480) main_length), 147080#(<= (+ main_offset 39492) main_length), 147081#(<= (+ main_offset 39488) main_length), 147086#(<= (+ main_offset 39468) main_length), 147087#(<= (+ main_offset 39464) main_length), 147084#(<= (+ main_offset 39476) main_length), 147085#(<= (+ main_offset 39472) main_length), 147090#(<= (+ main_offset 39452) main_length), 147091#(<= (+ main_offset 39448) main_length), 147088#(<= (+ main_offset 39460) main_length), 147089#(<= (+ main_offset 39456) main_length), 147094#(<= (+ main_offset 39436) main_length), 147095#(<= (+ main_offset 39432) main_length), 147092#(<= (+ main_offset 39444) main_length), 147093#(<= (+ main_offset 39440) main_length), 147098#(<= (+ main_offset 39420) main_length), 147099#(<= (+ main_offset 39416) main_length), 147096#(<= (+ main_offset 39428) main_length), 147097#(<= (+ main_offset 39424) main_length), 147102#(<= (+ main_offset 39404) main_length), 147103#(<= (+ main_offset 39400) main_length), 147100#(<= (+ main_offset 39412) main_length), 147101#(<= (+ main_offset 39408) main_length), 147106#(<= (+ main_offset 39388) main_length), 147107#(<= (+ main_offset 39384) main_length), 147104#(<= (+ main_offset 39396) main_length), 147105#(<= (+ main_offset 39392) main_length), 147110#(<= (+ main_offset 39372) main_length), 147111#(<= (+ main_offset 39368) main_length), 147108#(<= (+ main_offset 39380) main_length), 147109#(<= (+ main_offset 39376) main_length), 147114#(<= (+ main_offset 39356) main_length), 147115#(<= (+ main_offset 39352) main_length), 147112#(<= (+ main_offset 39364) main_length), 147113#(<= (+ main_offset 39360) main_length), 147118#(<= (+ main_offset 39340) main_length), 147119#(<= (+ main_offset 39336) main_length), 147116#(<= (+ main_offset 39348) main_length), 147117#(<= (+ main_offset 39344) main_length), 147122#(<= (+ main_offset 39324) main_length), 147123#(<= (+ main_offset 39320) main_length), 147120#(<= (+ main_offset 39332) main_length), 147121#(<= (+ main_offset 39328) main_length), 147126#(<= (+ main_offset 39308) main_length), 147127#(<= (+ main_offset 39304) main_length), 147124#(<= (+ main_offset 39316) main_length), 147125#(<= (+ main_offset 39312) main_length), 147130#(<= (+ main_offset 39292) main_length), 147131#(<= (+ main_offset 39288) main_length), 147128#(<= (+ main_offset 39300) main_length), 147129#(<= (+ main_offset 39296) main_length)] [2018-07-23 13:56:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 31862 backedges. 0 proven. 31862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:35,008 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:56:35,011 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:56:35,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:56:35,013 INFO L87 Difference]: Start difference. First operand 360 states and 360 transitions. Second operand 181 states. [2018-07-23 13:56:36,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:36,467 INFO L93 Difference]: Finished difference Result 363 states and 363 transitions. [2018-07-23 13:56:36,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:56:36,468 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 359 [2018-07-23 13:56:36,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:36,468 INFO L225 Difference]: With dead ends: 363 [2018-07-23 13:56:36,468 INFO L226 Difference]: Without dead ends: 362 [2018-07-23 13:56:36,470 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:56:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-07-23 13:56:36,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2018-07-23 13:56:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-07-23 13:56:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 362 transitions. [2018-07-23 13:56:36,474 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 362 transitions. Word has length 359 [2018-07-23 13:56:36,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:36,474 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 362 transitions. [2018-07-23 13:56:36,474 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:56:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 362 transitions. [2018-07-23 13:56:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-07-23 13:56:36,475 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:36,476 INFO L357 BasicCegarLoop]: trace histogram [180, 179, 1, 1] [2018-07-23 13:56:36,476 INFO L414 AbstractCegarLoop]: === Iteration 180 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:36,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1371795846, now seen corresponding path program 179 times [2018-07-23 13:56:36,476 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 32220 backedges. 0 proven. 32220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:37,659 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:37,660 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:56:37,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:37,660 INFO L185 omatonBuilderFactory]: Interpolants [148738#(<= (+ main_offset 39384) main_length), 148739#(<= (+ main_offset 39380) main_length), 148736#(<= (+ main_offset 39392) main_length), 148737#(<= (+ main_offset 39388) main_length), 148742#(<= (+ main_offset 39368) main_length), 148743#(<= (+ main_offset 39364) main_length), 148740#(<= (+ main_offset 39376) main_length), 148741#(<= (+ main_offset 39372) main_length), 148746#(<= (+ main_offset 39352) main_length), 148747#(<= (+ main_offset 39348) main_length), 148744#(<= (+ main_offset 39360) main_length), 148745#(<= (+ main_offset 39356) main_length), 148750#(<= (+ main_offset 39336) main_length), 148751#(<= (+ main_offset 39332) main_length), 148748#(<= (+ main_offset 39344) main_length), 148749#(<= (+ main_offset 39340) main_length), 148754#(<= (+ main_offset 39320) main_length), 148755#(<= (+ main_offset 39316) main_length), 148752#(<= (+ main_offset 39328) main_length), 148753#(<= (+ main_offset 39324) main_length), 148758#(<= (+ main_offset 39304) main_length), 148759#(<= (+ main_offset 39300) main_length), 148756#(<= (+ main_offset 39312) main_length), 148757#(<= (+ main_offset 39308) main_length), 148762#(<= (+ main_offset 39288) main_length), 148763#(<= (+ main_offset 39284) main_length), 148760#(<= (+ main_offset 39296) main_length), 148761#(<= (+ main_offset 39292) main_length), 148582#true, 148583#false, 148586#(<= (+ main_offset 39992) main_length), 148587#(<= (+ main_offset 39988) main_length), 148584#(<= (+ main_offset 40000) main_length), 148585#(<= (+ main_offset 39996) main_length), 148590#(<= (+ main_offset 39976) main_length), 148591#(<= (+ main_offset 39972) main_length), 148588#(<= (+ main_offset 39984) main_length), 148589#(<= (+ main_offset 39980) main_length), 148594#(<= (+ main_offset 39960) main_length), 148595#(<= (+ main_offset 39956) main_length), 148592#(<= (+ main_offset 39968) main_length), 148593#(<= (+ main_offset 39964) main_length), 148598#(<= (+ main_offset 39944) main_length), 148599#(<= (+ main_offset 39940) main_length), 148596#(<= (+ main_offset 39952) main_length), 148597#(<= (+ main_offset 39948) main_length), 148602#(<= (+ main_offset 39928) main_length), 148603#(<= (+ main_offset 39924) main_length), 148600#(<= (+ main_offset 39936) main_length), 148601#(<= (+ main_offset 39932) main_length), 148606#(<= (+ main_offset 39912) main_length), 148607#(<= (+ main_offset 39908) main_length), 148604#(<= (+ main_offset 39920) main_length), 148605#(<= (+ main_offset 39916) main_length), 148610#(<= (+ main_offset 39896) main_length), 148611#(<= (+ main_offset 39892) main_length), 148608#(<= (+ main_offset 39904) main_length), 148609#(<= (+ main_offset 39900) main_length), 148614#(<= (+ main_offset 39880) main_length), 148615#(<= (+ main_offset 39876) main_length), 148612#(<= (+ main_offset 39888) main_length), 148613#(<= (+ main_offset 39884) main_length), 148618#(<= (+ main_offset 39864) main_length), 148619#(<= (+ main_offset 39860) main_length), 148616#(<= (+ main_offset 39872) main_length), 148617#(<= (+ main_offset 39868) main_length), 148622#(<= (+ main_offset 39848) main_length), 148623#(<= (+ main_offset 39844) main_length), 148620#(<= (+ main_offset 39856) main_length), 148621#(<= (+ main_offset 39852) main_length), 148626#(<= (+ main_offset 39832) main_length), 148627#(<= (+ main_offset 39828) main_length), 148624#(<= (+ main_offset 39840) main_length), 148625#(<= (+ main_offset 39836) main_length), 148630#(<= (+ main_offset 39816) main_length), 148631#(<= (+ main_offset 39812) main_length), 148628#(<= (+ main_offset 39824) main_length), 148629#(<= (+ main_offset 39820) main_length), 148634#(<= (+ main_offset 39800) main_length), 148635#(<= (+ main_offset 39796) main_length), 148632#(<= (+ main_offset 39808) main_length), 148633#(<= (+ main_offset 39804) main_length), 148638#(<= (+ main_offset 39784) main_length), 148639#(<= (+ main_offset 39780) main_length), 148636#(<= (+ main_offset 39792) main_length), 148637#(<= (+ main_offset 39788) main_length), 148642#(<= (+ main_offset 39768) main_length), 148643#(<= (+ main_offset 39764) main_length), 148640#(<= (+ main_offset 39776) main_length), 148641#(<= (+ main_offset 39772) main_length), 148646#(<= (+ main_offset 39752) main_length), 148647#(<= (+ main_offset 39748) main_length), 148644#(<= (+ main_offset 39760) main_length), 148645#(<= (+ main_offset 39756) main_length), 148650#(<= (+ main_offset 39736) main_length), 148651#(<= (+ main_offset 39732) main_length), 148648#(<= (+ main_offset 39744) main_length), 148649#(<= (+ main_offset 39740) main_length), 148654#(<= (+ main_offset 39720) main_length), 148655#(<= (+ main_offset 39716) main_length), 148652#(<= (+ main_offset 39728) main_length), 148653#(<= (+ main_offset 39724) main_length), 148658#(<= (+ main_offset 39704) main_length), 148659#(<= (+ main_offset 39700) main_length), 148656#(<= (+ main_offset 39712) main_length), 148657#(<= (+ main_offset 39708) main_length), 148662#(<= (+ main_offset 39688) main_length), 148663#(<= (+ main_offset 39684) main_length), 148660#(<= (+ main_offset 39696) main_length), 148661#(<= (+ main_offset 39692) main_length), 148666#(<= (+ main_offset 39672) main_length), 148667#(<= (+ main_offset 39668) main_length), 148664#(<= (+ main_offset 39680) main_length), 148665#(<= (+ main_offset 39676) main_length), 148670#(<= (+ main_offset 39656) main_length), 148671#(<= (+ main_offset 39652) main_length), 148668#(<= (+ main_offset 39664) main_length), 148669#(<= (+ main_offset 39660) main_length), 148674#(<= (+ main_offset 39640) main_length), 148675#(<= (+ main_offset 39636) main_length), 148672#(<= (+ main_offset 39648) main_length), 148673#(<= (+ main_offset 39644) main_length), 148678#(<= (+ main_offset 39624) main_length), 148679#(<= (+ main_offset 39620) main_length), 148676#(<= (+ main_offset 39632) main_length), 148677#(<= (+ main_offset 39628) main_length), 148682#(<= (+ main_offset 39608) main_length), 148683#(<= (+ main_offset 39604) main_length), 148680#(<= (+ main_offset 39616) main_length), 148681#(<= (+ main_offset 39612) main_length), 148686#(<= (+ main_offset 39592) main_length), 148687#(<= (+ main_offset 39588) main_length), 148684#(<= (+ main_offset 39600) main_length), 148685#(<= (+ main_offset 39596) main_length), 148690#(<= (+ main_offset 39576) main_length), 148691#(<= (+ main_offset 39572) main_length), 148688#(<= (+ main_offset 39584) main_length), 148689#(<= (+ main_offset 39580) main_length), 148694#(<= (+ main_offset 39560) main_length), 148695#(<= (+ main_offset 39556) main_length), 148692#(<= (+ main_offset 39568) main_length), 148693#(<= (+ main_offset 39564) main_length), 148698#(<= (+ main_offset 39544) main_length), 148699#(<= (+ main_offset 39540) main_length), 148696#(<= (+ main_offset 39552) main_length), 148697#(<= (+ main_offset 39548) main_length), 148702#(<= (+ main_offset 39528) main_length), 148703#(<= (+ main_offset 39524) main_length), 148700#(<= (+ main_offset 39536) main_length), 148701#(<= (+ main_offset 39532) main_length), 148706#(<= (+ main_offset 39512) main_length), 148707#(<= (+ main_offset 39508) main_length), 148704#(<= (+ main_offset 39520) main_length), 148705#(<= (+ main_offset 39516) main_length), 148710#(<= (+ main_offset 39496) main_length), 148711#(<= (+ main_offset 39492) main_length), 148708#(<= (+ main_offset 39504) main_length), 148709#(<= (+ main_offset 39500) main_length), 148714#(<= (+ main_offset 39480) main_length), 148715#(<= (+ main_offset 39476) main_length), 148712#(<= (+ main_offset 39488) main_length), 148713#(<= (+ main_offset 39484) main_length), 148718#(<= (+ main_offset 39464) main_length), 148719#(<= (+ main_offset 39460) main_length), 148716#(<= (+ main_offset 39472) main_length), 148717#(<= (+ main_offset 39468) main_length), 148722#(<= (+ main_offset 39448) main_length), 148723#(<= (+ main_offset 39444) main_length), 148720#(<= (+ main_offset 39456) main_length), 148721#(<= (+ main_offset 39452) main_length), 148726#(<= (+ main_offset 39432) main_length), 148727#(<= (+ main_offset 39428) main_length), 148724#(<= (+ main_offset 39440) main_length), 148725#(<= (+ main_offset 39436) main_length), 148730#(<= (+ main_offset 39416) main_length), 148731#(<= (+ main_offset 39412) main_length), 148728#(<= (+ main_offset 39424) main_length), 148729#(<= (+ main_offset 39420) main_length), 148734#(<= (+ main_offset 39400) main_length), 148735#(<= (+ main_offset 39396) main_length), 148732#(<= (+ main_offset 39408) main_length), 148733#(<= (+ main_offset 39404) main_length)] [2018-07-23 13:56:37,662 INFO L134 CoverageAnalysis]: Checked inductivity of 32220 backedges. 0 proven. 32220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:37,662 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:56:37,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:56:37,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:56:37,665 INFO L87 Difference]: Start difference. First operand 362 states and 362 transitions. Second operand 182 states. [2018-07-23 13:56:38,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:38,489 INFO L93 Difference]: Finished difference Result 365 states and 365 transitions. [2018-07-23 13:56:38,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:56:38,489 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 361 [2018-07-23 13:56:38,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:38,490 INFO L225 Difference]: With dead ends: 365 [2018-07-23 13:56:38,490 INFO L226 Difference]: Without dead ends: 364 [2018-07-23 13:56:38,492 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:56:38,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-07-23 13:56:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2018-07-23 13:56:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-07-23 13:56:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 364 transitions. [2018-07-23 13:56:38,496 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 364 transitions. Word has length 361 [2018-07-23 13:56:38,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:38,496 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 364 transitions. [2018-07-23 13:56:38,496 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:56:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 364 transitions. [2018-07-23 13:56:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-07-23 13:56:38,497 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:38,497 INFO L357 BasicCegarLoop]: trace histogram [181, 180, 1, 1] [2018-07-23 13:56:38,497 INFO L414 AbstractCegarLoop]: === Iteration 181 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:38,497 INFO L82 PathProgramCache]: Analyzing trace with hash -259150776, now seen corresponding path program 180 times [2018-07-23 13:56:38,497 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:39,743 INFO L134 CoverageAnalysis]: Checked inductivity of 32580 backedges. 0 proven. 32580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:39,743 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:39,744 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:56:39,744 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:39,744 INFO L185 omatonBuilderFactory]: Interpolants [150274#(<= (+ main_offset 39800) main_length), 150275#(<= (+ main_offset 39796) main_length), 150272#(<= (+ main_offset 39808) main_length), 150273#(<= (+ main_offset 39804) main_length), 150278#(<= (+ main_offset 39784) main_length), 150279#(<= (+ main_offset 39780) main_length), 150276#(<= (+ main_offset 39792) main_length), 150277#(<= (+ main_offset 39788) main_length), 150282#(<= (+ main_offset 39768) main_length), 150283#(<= (+ main_offset 39764) main_length), 150280#(<= (+ main_offset 39776) main_length), 150281#(<= (+ main_offset 39772) main_length), 150286#(<= (+ main_offset 39752) main_length), 150287#(<= (+ main_offset 39748) main_length), 150284#(<= (+ main_offset 39760) main_length), 150285#(<= (+ main_offset 39756) main_length), 150290#(<= (+ main_offset 39736) main_length), 150291#(<= (+ main_offset 39732) main_length), 150288#(<= (+ main_offset 39744) main_length), 150289#(<= (+ main_offset 39740) main_length), 150294#(<= (+ main_offset 39720) main_length), 150295#(<= (+ main_offset 39716) main_length), 150292#(<= (+ main_offset 39728) main_length), 150293#(<= (+ main_offset 39724) main_length), 150298#(<= (+ main_offset 39704) main_length), 150299#(<= (+ main_offset 39700) main_length), 150296#(<= (+ main_offset 39712) main_length), 150297#(<= (+ main_offset 39708) main_length), 150302#(<= (+ main_offset 39688) main_length), 150303#(<= (+ main_offset 39684) main_length), 150300#(<= (+ main_offset 39696) main_length), 150301#(<= (+ main_offset 39692) main_length), 150306#(<= (+ main_offset 39672) main_length), 150307#(<= (+ main_offset 39668) main_length), 150304#(<= (+ main_offset 39680) main_length), 150305#(<= (+ main_offset 39676) main_length), 150310#(<= (+ main_offset 39656) main_length), 150311#(<= (+ main_offset 39652) main_length), 150308#(<= (+ main_offset 39664) main_length), 150309#(<= (+ main_offset 39660) main_length), 150314#(<= (+ main_offset 39640) main_length), 150315#(<= (+ main_offset 39636) main_length), 150312#(<= (+ main_offset 39648) main_length), 150313#(<= (+ main_offset 39644) main_length), 150318#(<= (+ main_offset 39624) main_length), 150319#(<= (+ main_offset 39620) main_length), 150316#(<= (+ main_offset 39632) main_length), 150317#(<= (+ main_offset 39628) main_length), 150322#(<= (+ main_offset 39608) main_length), 150323#(<= (+ main_offset 39604) main_length), 150320#(<= (+ main_offset 39616) main_length), 150321#(<= (+ main_offset 39612) main_length), 150326#(<= (+ main_offset 39592) main_length), 150327#(<= (+ main_offset 39588) main_length), 150324#(<= (+ main_offset 39600) main_length), 150325#(<= (+ main_offset 39596) main_length), 150330#(<= (+ main_offset 39576) main_length), 150331#(<= (+ main_offset 39572) main_length), 150328#(<= (+ main_offset 39584) main_length), 150329#(<= (+ main_offset 39580) main_length), 150334#(<= (+ main_offset 39560) main_length), 150335#(<= (+ main_offset 39556) main_length), 150332#(<= (+ main_offset 39568) main_length), 150333#(<= (+ main_offset 39564) main_length), 150338#(<= (+ main_offset 39544) main_length), 150339#(<= (+ main_offset 39540) main_length), 150336#(<= (+ main_offset 39552) main_length), 150337#(<= (+ main_offset 39548) main_length), 150342#(<= (+ main_offset 39528) main_length), 150343#(<= (+ main_offset 39524) main_length), 150340#(<= (+ main_offset 39536) main_length), 150341#(<= (+ main_offset 39532) main_length), 150346#(<= (+ main_offset 39512) main_length), 150347#(<= (+ main_offset 39508) main_length), 150344#(<= (+ main_offset 39520) main_length), 150345#(<= (+ main_offset 39516) main_length), 150350#(<= (+ main_offset 39496) main_length), 150351#(<= (+ main_offset 39492) main_length), 150348#(<= (+ main_offset 39504) main_length), 150349#(<= (+ main_offset 39500) main_length), 150354#(<= (+ main_offset 39480) main_length), 150355#(<= (+ main_offset 39476) main_length), 150352#(<= (+ main_offset 39488) main_length), 150353#(<= (+ main_offset 39484) main_length), 150358#(<= (+ main_offset 39464) main_length), 150359#(<= (+ main_offset 39460) main_length), 150356#(<= (+ main_offset 39472) main_length), 150357#(<= (+ main_offset 39468) main_length), 150362#(<= (+ main_offset 39448) main_length), 150363#(<= (+ main_offset 39444) main_length), 150360#(<= (+ main_offset 39456) main_length), 150361#(<= (+ main_offset 39452) main_length), 150366#(<= (+ main_offset 39432) main_length), 150367#(<= (+ main_offset 39428) main_length), 150364#(<= (+ main_offset 39440) main_length), 150365#(<= (+ main_offset 39436) main_length), 150370#(<= (+ main_offset 39416) main_length), 150371#(<= (+ main_offset 39412) main_length), 150368#(<= (+ main_offset 39424) main_length), 150369#(<= (+ main_offset 39420) main_length), 150374#(<= (+ main_offset 39400) main_length), 150375#(<= (+ main_offset 39396) main_length), 150372#(<= (+ main_offset 39408) main_length), 150373#(<= (+ main_offset 39404) main_length), 150378#(<= (+ main_offset 39384) main_length), 150379#(<= (+ main_offset 39380) main_length), 150376#(<= (+ main_offset 39392) main_length), 150377#(<= (+ main_offset 39388) main_length), 150382#(<= (+ main_offset 39368) main_length), 150383#(<= (+ main_offset 39364) main_length), 150380#(<= (+ main_offset 39376) main_length), 150381#(<= (+ main_offset 39372) main_length), 150386#(<= (+ main_offset 39352) main_length), 150387#(<= (+ main_offset 39348) main_length), 150384#(<= (+ main_offset 39360) main_length), 150385#(<= (+ main_offset 39356) main_length), 150390#(<= (+ main_offset 39336) main_length), 150391#(<= (+ main_offset 39332) main_length), 150388#(<= (+ main_offset 39344) main_length), 150389#(<= (+ main_offset 39340) main_length), 150394#(<= (+ main_offset 39320) main_length), 150395#(<= (+ main_offset 39316) main_length), 150392#(<= (+ main_offset 39328) main_length), 150393#(<= (+ main_offset 39324) main_length), 150398#(<= (+ main_offset 39304) main_length), 150399#(<= (+ main_offset 39300) main_length), 150396#(<= (+ main_offset 39312) main_length), 150397#(<= (+ main_offset 39308) main_length), 150402#(<= (+ main_offset 39288) main_length), 150403#(<= (+ main_offset 39284) main_length), 150400#(<= (+ main_offset 39296) main_length), 150401#(<= (+ main_offset 39292) main_length), 150404#(<= (+ main_offset 39280) main_length), 150222#true, 150223#false, 150226#(<= (+ main_offset 39992) main_length), 150227#(<= (+ main_offset 39988) main_length), 150224#(<= (+ main_offset 40000) main_length), 150225#(<= (+ main_offset 39996) main_length), 150230#(<= (+ main_offset 39976) main_length), 150231#(<= (+ main_offset 39972) main_length), 150228#(<= (+ main_offset 39984) main_length), 150229#(<= (+ main_offset 39980) main_length), 150234#(<= (+ main_offset 39960) main_length), 150235#(<= (+ main_offset 39956) main_length), 150232#(<= (+ main_offset 39968) main_length), 150233#(<= (+ main_offset 39964) main_length), 150238#(<= (+ main_offset 39944) main_length), 150239#(<= (+ main_offset 39940) main_length), 150236#(<= (+ main_offset 39952) main_length), 150237#(<= (+ main_offset 39948) main_length), 150242#(<= (+ main_offset 39928) main_length), 150243#(<= (+ main_offset 39924) main_length), 150240#(<= (+ main_offset 39936) main_length), 150241#(<= (+ main_offset 39932) main_length), 150246#(<= (+ main_offset 39912) main_length), 150247#(<= (+ main_offset 39908) main_length), 150244#(<= (+ main_offset 39920) main_length), 150245#(<= (+ main_offset 39916) main_length), 150250#(<= (+ main_offset 39896) main_length), 150251#(<= (+ main_offset 39892) main_length), 150248#(<= (+ main_offset 39904) main_length), 150249#(<= (+ main_offset 39900) main_length), 150254#(<= (+ main_offset 39880) main_length), 150255#(<= (+ main_offset 39876) main_length), 150252#(<= (+ main_offset 39888) main_length), 150253#(<= (+ main_offset 39884) main_length), 150258#(<= (+ main_offset 39864) main_length), 150259#(<= (+ main_offset 39860) main_length), 150256#(<= (+ main_offset 39872) main_length), 150257#(<= (+ main_offset 39868) main_length), 150262#(<= (+ main_offset 39848) main_length), 150263#(<= (+ main_offset 39844) main_length), 150260#(<= (+ main_offset 39856) main_length), 150261#(<= (+ main_offset 39852) main_length), 150266#(<= (+ main_offset 39832) main_length), 150267#(<= (+ main_offset 39828) main_length), 150264#(<= (+ main_offset 39840) main_length), 150265#(<= (+ main_offset 39836) main_length), 150270#(<= (+ main_offset 39816) main_length), 150271#(<= (+ main_offset 39812) main_length), 150268#(<= (+ main_offset 39824) main_length), 150269#(<= (+ main_offset 39820) main_length)] [2018-07-23 13:56:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 32580 backedges. 0 proven. 32580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:39,746 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:56:39,748 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:56:39,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:56:39,750 INFO L87 Difference]: Start difference. First operand 364 states and 364 transitions. Second operand 183 states. [2018-07-23 13:56:40,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:40,648 INFO L93 Difference]: Finished difference Result 367 states and 367 transitions. [2018-07-23 13:56:40,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:56:40,649 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 363 [2018-07-23 13:56:40,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:40,649 INFO L225 Difference]: With dead ends: 367 [2018-07-23 13:56:40,649 INFO L226 Difference]: Without dead ends: 366 [2018-07-23 13:56:40,651 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:56:40,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-07-23 13:56:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-07-23 13:56:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-07-23 13:56:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 366 transitions. [2018-07-23 13:56:40,655 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 366 transitions. Word has length 363 [2018-07-23 13:56:40,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:40,655 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 366 transitions. [2018-07-23 13:56:40,655 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:56:40,655 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 366 transitions. [2018-07-23 13:56:40,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-07-23 13:56:40,656 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:40,656 INFO L357 BasicCegarLoop]: trace histogram [182, 181, 1, 1] [2018-07-23 13:56:40,657 INFO L414 AbstractCegarLoop]: === Iteration 182 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:40,657 INFO L82 PathProgramCache]: Analyzing trace with hash 64208522, now seen corresponding path program 181 times [2018-07-23 13:56:40,657 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 32942 backedges. 0 proven. 32942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:41,886 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:41,886 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:56:41,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:41,887 INFO L185 omatonBuilderFactory]: Interpolants [151871#true, 151874#(<= (+ main_offset 39996) main_length), 151875#(<= (+ main_offset 39992) main_length), 151872#false, 151873#(<= (+ main_offset 40000) main_length), 151878#(<= (+ main_offset 39980) main_length), 151879#(<= (+ main_offset 39976) main_length), 151876#(<= (+ main_offset 39988) main_length), 151877#(<= (+ main_offset 39984) main_length), 151882#(<= (+ main_offset 39964) main_length), 151883#(<= (+ main_offset 39960) main_length), 151880#(<= (+ main_offset 39972) main_length), 151881#(<= (+ main_offset 39968) main_length), 151886#(<= (+ main_offset 39948) main_length), 151887#(<= (+ main_offset 39944) main_length), 151884#(<= (+ main_offset 39956) main_length), 151885#(<= (+ main_offset 39952) main_length), 151890#(<= (+ main_offset 39932) main_length), 151891#(<= (+ main_offset 39928) main_length), 151888#(<= (+ main_offset 39940) main_length), 151889#(<= (+ main_offset 39936) main_length), 151894#(<= (+ main_offset 39916) main_length), 151895#(<= (+ main_offset 39912) main_length), 151892#(<= (+ main_offset 39924) main_length), 151893#(<= (+ main_offset 39920) main_length), 151898#(<= (+ main_offset 39900) main_length), 151899#(<= (+ main_offset 39896) main_length), 151896#(<= (+ main_offset 39908) main_length), 151897#(<= (+ main_offset 39904) main_length), 151902#(<= (+ main_offset 39884) main_length), 151903#(<= (+ main_offset 39880) main_length), 151900#(<= (+ main_offset 39892) main_length), 151901#(<= (+ main_offset 39888) main_length), 151906#(<= (+ main_offset 39868) main_length), 151907#(<= (+ main_offset 39864) main_length), 151904#(<= (+ main_offset 39876) main_length), 151905#(<= (+ main_offset 39872) main_length), 151910#(<= (+ main_offset 39852) main_length), 151911#(<= (+ main_offset 39848) main_length), 151908#(<= (+ main_offset 39860) main_length), 151909#(<= (+ main_offset 39856) main_length), 151914#(<= (+ main_offset 39836) main_length), 151915#(<= (+ main_offset 39832) main_length), 151912#(<= (+ main_offset 39844) main_length), 151913#(<= (+ main_offset 39840) main_length), 151918#(<= (+ main_offset 39820) main_length), 151919#(<= (+ main_offset 39816) main_length), 151916#(<= (+ main_offset 39828) main_length), 151917#(<= (+ main_offset 39824) main_length), 151922#(<= (+ main_offset 39804) main_length), 151923#(<= (+ main_offset 39800) main_length), 151920#(<= (+ main_offset 39812) main_length), 151921#(<= (+ main_offset 39808) main_length), 151926#(<= (+ main_offset 39788) main_length), 151927#(<= (+ main_offset 39784) main_length), 151924#(<= (+ main_offset 39796) main_length), 151925#(<= (+ main_offset 39792) main_length), 151930#(<= (+ main_offset 39772) main_length), 151931#(<= (+ main_offset 39768) main_length), 151928#(<= (+ main_offset 39780) main_length), 151929#(<= (+ main_offset 39776) main_length), 151934#(<= (+ main_offset 39756) main_length), 151935#(<= (+ main_offset 39752) main_length), 151932#(<= (+ main_offset 39764) main_length), 151933#(<= (+ main_offset 39760) main_length), 151938#(<= (+ main_offset 39740) main_length), 151939#(<= (+ main_offset 39736) main_length), 151936#(<= (+ main_offset 39748) main_length), 151937#(<= (+ main_offset 39744) main_length), 151942#(<= (+ main_offset 39724) main_length), 151943#(<= (+ main_offset 39720) main_length), 151940#(<= (+ main_offset 39732) main_length), 151941#(<= (+ main_offset 39728) main_length), 151946#(<= (+ main_offset 39708) main_length), 151947#(<= (+ main_offset 39704) main_length), 151944#(<= (+ main_offset 39716) main_length), 151945#(<= (+ main_offset 39712) main_length), 151950#(<= (+ main_offset 39692) main_length), 151951#(<= (+ main_offset 39688) main_length), 151948#(<= (+ main_offset 39700) main_length), 151949#(<= (+ main_offset 39696) main_length), 151954#(<= (+ main_offset 39676) main_length), 151955#(<= (+ main_offset 39672) main_length), 151952#(<= (+ main_offset 39684) main_length), 151953#(<= (+ main_offset 39680) main_length), 151958#(<= (+ main_offset 39660) main_length), 151959#(<= (+ main_offset 39656) main_length), 151956#(<= (+ main_offset 39668) main_length), 151957#(<= (+ main_offset 39664) main_length), 151962#(<= (+ main_offset 39644) main_length), 151963#(<= (+ main_offset 39640) main_length), 151960#(<= (+ main_offset 39652) main_length), 151961#(<= (+ main_offset 39648) main_length), 151966#(<= (+ main_offset 39628) main_length), 151967#(<= (+ main_offset 39624) main_length), 151964#(<= (+ main_offset 39636) main_length), 151965#(<= (+ main_offset 39632) main_length), 151970#(<= (+ main_offset 39612) main_length), 151971#(<= (+ main_offset 39608) main_length), 151968#(<= (+ main_offset 39620) main_length), 151969#(<= (+ main_offset 39616) main_length), 151974#(<= (+ main_offset 39596) main_length), 151975#(<= (+ main_offset 39592) main_length), 151972#(<= (+ main_offset 39604) main_length), 151973#(<= (+ main_offset 39600) main_length), 151978#(<= (+ main_offset 39580) main_length), 151979#(<= (+ main_offset 39576) main_length), 151976#(<= (+ main_offset 39588) main_length), 151977#(<= (+ main_offset 39584) main_length), 151982#(<= (+ main_offset 39564) main_length), 151983#(<= (+ main_offset 39560) main_length), 151980#(<= (+ main_offset 39572) main_length), 151981#(<= (+ main_offset 39568) main_length), 151986#(<= (+ main_offset 39548) main_length), 151987#(<= (+ main_offset 39544) main_length), 151984#(<= (+ main_offset 39556) main_length), 151985#(<= (+ main_offset 39552) main_length), 151990#(<= (+ main_offset 39532) main_length), 151991#(<= (+ main_offset 39528) main_length), 151988#(<= (+ main_offset 39540) main_length), 151989#(<= (+ main_offset 39536) main_length), 151994#(<= (+ main_offset 39516) main_length), 151995#(<= (+ main_offset 39512) main_length), 151992#(<= (+ main_offset 39524) main_length), 151993#(<= (+ main_offset 39520) main_length), 151998#(<= (+ main_offset 39500) main_length), 151999#(<= (+ main_offset 39496) main_length), 151996#(<= (+ main_offset 39508) main_length), 151997#(<= (+ main_offset 39504) main_length), 152002#(<= (+ main_offset 39484) main_length), 152003#(<= (+ main_offset 39480) main_length), 152000#(<= (+ main_offset 39492) main_length), 152001#(<= (+ main_offset 39488) main_length), 152006#(<= (+ main_offset 39468) main_length), 152007#(<= (+ main_offset 39464) main_length), 152004#(<= (+ main_offset 39476) main_length), 152005#(<= (+ main_offset 39472) main_length), 152010#(<= (+ main_offset 39452) main_length), 152011#(<= (+ main_offset 39448) main_length), 152008#(<= (+ main_offset 39460) main_length), 152009#(<= (+ main_offset 39456) main_length), 152014#(<= (+ main_offset 39436) main_length), 152015#(<= (+ main_offset 39432) main_length), 152012#(<= (+ main_offset 39444) main_length), 152013#(<= (+ main_offset 39440) main_length), 152018#(<= (+ main_offset 39420) main_length), 152019#(<= (+ main_offset 39416) main_length), 152016#(<= (+ main_offset 39428) main_length), 152017#(<= (+ main_offset 39424) main_length), 152022#(<= (+ main_offset 39404) main_length), 152023#(<= (+ main_offset 39400) main_length), 152020#(<= (+ main_offset 39412) main_length), 152021#(<= (+ main_offset 39408) main_length), 152026#(<= (+ main_offset 39388) main_length), 152027#(<= (+ main_offset 39384) main_length), 152024#(<= (+ main_offset 39396) main_length), 152025#(<= (+ main_offset 39392) main_length), 152030#(<= (+ main_offset 39372) main_length), 152031#(<= (+ main_offset 39368) main_length), 152028#(<= (+ main_offset 39380) main_length), 152029#(<= (+ main_offset 39376) main_length), 152034#(<= (+ main_offset 39356) main_length), 152035#(<= (+ main_offset 39352) main_length), 152032#(<= (+ main_offset 39364) main_length), 152033#(<= (+ main_offset 39360) main_length), 152038#(<= (+ main_offset 39340) main_length), 152039#(<= (+ main_offset 39336) main_length), 152036#(<= (+ main_offset 39348) main_length), 152037#(<= (+ main_offset 39344) main_length), 152042#(<= (+ main_offset 39324) main_length), 152043#(<= (+ main_offset 39320) main_length), 152040#(<= (+ main_offset 39332) main_length), 152041#(<= (+ main_offset 39328) main_length), 152046#(<= (+ main_offset 39308) main_length), 152047#(<= (+ main_offset 39304) main_length), 152044#(<= (+ main_offset 39316) main_length), 152045#(<= (+ main_offset 39312) main_length), 152050#(<= (+ main_offset 39292) main_length), 152051#(<= (+ main_offset 39288) main_length), 152048#(<= (+ main_offset 39300) main_length), 152049#(<= (+ main_offset 39296) main_length), 152054#(<= (+ main_offset 39276) main_length), 152052#(<= (+ main_offset 39284) main_length), 152053#(<= (+ main_offset 39280) main_length)] [2018-07-23 13:56:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 32942 backedges. 0 proven. 32942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:41,888 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:56:41,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:56:41,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:56:41,892 INFO L87 Difference]: Start difference. First operand 366 states and 366 transitions. Second operand 184 states. [2018-07-23 13:56:43,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:43,256 INFO L93 Difference]: Finished difference Result 369 states and 369 transitions. [2018-07-23 13:56:43,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:56:43,257 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 365 [2018-07-23 13:56:43,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:43,257 INFO L225 Difference]: With dead ends: 369 [2018-07-23 13:56:43,257 INFO L226 Difference]: Without dead ends: 368 [2018-07-23 13:56:43,259 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:56:43,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2018-07-23 13:56:43,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2018-07-23 13:56:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-07-23 13:56:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 368 transitions. [2018-07-23 13:56:43,263 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 368 transitions. Word has length 365 [2018-07-23 13:56:43,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:43,263 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 368 transitions. [2018-07-23 13:56:43,263 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:56:43,263 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 368 transitions. [2018-07-23 13:56:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-07-23 13:56:43,264 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:43,264 INFO L357 BasicCegarLoop]: trace histogram [183, 182, 1, 1] [2018-07-23 13:56:43,264 INFO L414 AbstractCegarLoop]: === Iteration 183 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:43,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1574848588, now seen corresponding path program 182 times [2018-07-23 13:56:43,265 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 33306 backedges. 0 proven. 33306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:44,546 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:44,546 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:56:44,546 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:44,547 INFO L185 omatonBuilderFactory]: Interpolants [153602#(<= (+ main_offset 39716) main_length), 153603#(<= (+ main_offset 39712) main_length), 153600#(<= (+ main_offset 39724) main_length), 153601#(<= (+ main_offset 39720) main_length), 153606#(<= (+ main_offset 39700) main_length), 153607#(<= (+ main_offset 39696) main_length), 153604#(<= (+ main_offset 39708) main_length), 153605#(<= (+ main_offset 39704) main_length), 153610#(<= (+ main_offset 39684) main_length), 153611#(<= (+ main_offset 39680) main_length), 153608#(<= (+ main_offset 39692) main_length), 153609#(<= (+ main_offset 39688) main_length), 153614#(<= (+ main_offset 39668) main_length), 153615#(<= (+ main_offset 39664) main_length), 153612#(<= (+ main_offset 39676) main_length), 153613#(<= (+ main_offset 39672) main_length), 153618#(<= (+ main_offset 39652) main_length), 153619#(<= (+ main_offset 39648) main_length), 153616#(<= (+ main_offset 39660) main_length), 153617#(<= (+ main_offset 39656) main_length), 153622#(<= (+ main_offset 39636) main_length), 153623#(<= (+ main_offset 39632) main_length), 153620#(<= (+ main_offset 39644) main_length), 153621#(<= (+ main_offset 39640) main_length), 153626#(<= (+ main_offset 39620) main_length), 153627#(<= (+ main_offset 39616) main_length), 153624#(<= (+ main_offset 39628) main_length), 153625#(<= (+ main_offset 39624) main_length), 153630#(<= (+ main_offset 39604) main_length), 153631#(<= (+ main_offset 39600) main_length), 153628#(<= (+ main_offset 39612) main_length), 153629#(<= (+ main_offset 39608) main_length), 153634#(<= (+ main_offset 39588) main_length), 153635#(<= (+ main_offset 39584) main_length), 153632#(<= (+ main_offset 39596) main_length), 153633#(<= (+ main_offset 39592) main_length), 153638#(<= (+ main_offset 39572) main_length), 153639#(<= (+ main_offset 39568) main_length), 153636#(<= (+ main_offset 39580) main_length), 153637#(<= (+ main_offset 39576) main_length), 153642#(<= (+ main_offset 39556) main_length), 153643#(<= (+ main_offset 39552) main_length), 153640#(<= (+ main_offset 39564) main_length), 153641#(<= (+ main_offset 39560) main_length), 153646#(<= (+ main_offset 39540) main_length), 153647#(<= (+ main_offset 39536) main_length), 153644#(<= (+ main_offset 39548) main_length), 153645#(<= (+ main_offset 39544) main_length), 153650#(<= (+ main_offset 39524) main_length), 153651#(<= (+ main_offset 39520) main_length), 153648#(<= (+ main_offset 39532) main_length), 153649#(<= (+ main_offset 39528) main_length), 153654#(<= (+ main_offset 39508) main_length), 153655#(<= (+ main_offset 39504) main_length), 153652#(<= (+ main_offset 39516) main_length), 153653#(<= (+ main_offset 39512) main_length), 153658#(<= (+ main_offset 39492) main_length), 153659#(<= (+ main_offset 39488) main_length), 153656#(<= (+ main_offset 39500) main_length), 153657#(<= (+ main_offset 39496) main_length), 153662#(<= (+ main_offset 39476) main_length), 153663#(<= (+ main_offset 39472) main_length), 153660#(<= (+ main_offset 39484) main_length), 153661#(<= (+ main_offset 39480) main_length), 153666#(<= (+ main_offset 39460) main_length), 153667#(<= (+ main_offset 39456) main_length), 153664#(<= (+ main_offset 39468) main_length), 153665#(<= (+ main_offset 39464) main_length), 153670#(<= (+ main_offset 39444) main_length), 153671#(<= (+ main_offset 39440) main_length), 153668#(<= (+ main_offset 39452) main_length), 153669#(<= (+ main_offset 39448) main_length), 153674#(<= (+ main_offset 39428) main_length), 153675#(<= (+ main_offset 39424) main_length), 153672#(<= (+ main_offset 39436) main_length), 153673#(<= (+ main_offset 39432) main_length), 153678#(<= (+ main_offset 39412) main_length), 153679#(<= (+ main_offset 39408) main_length), 153676#(<= (+ main_offset 39420) main_length), 153677#(<= (+ main_offset 39416) main_length), 153682#(<= (+ main_offset 39396) main_length), 153683#(<= (+ main_offset 39392) main_length), 153680#(<= (+ main_offset 39404) main_length), 153681#(<= (+ main_offset 39400) main_length), 153686#(<= (+ main_offset 39380) main_length), 153687#(<= (+ main_offset 39376) main_length), 153684#(<= (+ main_offset 39388) main_length), 153685#(<= (+ main_offset 39384) main_length), 153690#(<= (+ main_offset 39364) main_length), 153691#(<= (+ main_offset 39360) main_length), 153688#(<= (+ main_offset 39372) main_length), 153689#(<= (+ main_offset 39368) main_length), 153694#(<= (+ main_offset 39348) main_length), 153695#(<= (+ main_offset 39344) main_length), 153692#(<= (+ main_offset 39356) main_length), 153693#(<= (+ main_offset 39352) main_length), 153698#(<= (+ main_offset 39332) main_length), 153699#(<= (+ main_offset 39328) main_length), 153696#(<= (+ main_offset 39340) main_length), 153697#(<= (+ main_offset 39336) main_length), 153702#(<= (+ main_offset 39316) main_length), 153703#(<= (+ main_offset 39312) main_length), 153700#(<= (+ main_offset 39324) main_length), 153701#(<= (+ main_offset 39320) main_length), 153706#(<= (+ main_offset 39300) main_length), 153707#(<= (+ main_offset 39296) main_length), 153704#(<= (+ main_offset 39308) main_length), 153705#(<= (+ main_offset 39304) main_length), 153710#(<= (+ main_offset 39284) main_length), 153711#(<= (+ main_offset 39280) main_length), 153708#(<= (+ main_offset 39292) main_length), 153709#(<= (+ main_offset 39288) main_length), 153712#(<= (+ main_offset 39276) main_length), 153713#(<= (+ main_offset 39272) main_length), 153530#false, 153531#(<= (+ main_offset 40000) main_length), 153529#true, 153534#(<= (+ main_offset 39988) main_length), 153535#(<= (+ main_offset 39984) main_length), 153532#(<= (+ main_offset 39996) main_length), 153533#(<= (+ main_offset 39992) main_length), 153538#(<= (+ main_offset 39972) main_length), 153539#(<= (+ main_offset 39968) main_length), 153536#(<= (+ main_offset 39980) main_length), 153537#(<= (+ main_offset 39976) main_length), 153542#(<= (+ main_offset 39956) main_length), 153543#(<= (+ main_offset 39952) main_length), 153540#(<= (+ main_offset 39964) main_length), 153541#(<= (+ main_offset 39960) main_length), 153546#(<= (+ main_offset 39940) main_length), 153547#(<= (+ main_offset 39936) main_length), 153544#(<= (+ main_offset 39948) main_length), 153545#(<= (+ main_offset 39944) main_length), 153550#(<= (+ main_offset 39924) main_length), 153551#(<= (+ main_offset 39920) main_length), 153548#(<= (+ main_offset 39932) main_length), 153549#(<= (+ main_offset 39928) main_length), 153554#(<= (+ main_offset 39908) main_length), 153555#(<= (+ main_offset 39904) main_length), 153552#(<= (+ main_offset 39916) main_length), 153553#(<= (+ main_offset 39912) main_length), 153558#(<= (+ main_offset 39892) main_length), 153559#(<= (+ main_offset 39888) main_length), 153556#(<= (+ main_offset 39900) main_length), 153557#(<= (+ main_offset 39896) main_length), 153562#(<= (+ main_offset 39876) main_length), 153563#(<= (+ main_offset 39872) main_length), 153560#(<= (+ main_offset 39884) main_length), 153561#(<= (+ main_offset 39880) main_length), 153566#(<= (+ main_offset 39860) main_length), 153567#(<= (+ main_offset 39856) main_length), 153564#(<= (+ main_offset 39868) main_length), 153565#(<= (+ main_offset 39864) main_length), 153570#(<= (+ main_offset 39844) main_length), 153571#(<= (+ main_offset 39840) main_length), 153568#(<= (+ main_offset 39852) main_length), 153569#(<= (+ main_offset 39848) main_length), 153574#(<= (+ main_offset 39828) main_length), 153575#(<= (+ main_offset 39824) main_length), 153572#(<= (+ main_offset 39836) main_length), 153573#(<= (+ main_offset 39832) main_length), 153578#(<= (+ main_offset 39812) main_length), 153579#(<= (+ main_offset 39808) main_length), 153576#(<= (+ main_offset 39820) main_length), 153577#(<= (+ main_offset 39816) main_length), 153582#(<= (+ main_offset 39796) main_length), 153583#(<= (+ main_offset 39792) main_length), 153580#(<= (+ main_offset 39804) main_length), 153581#(<= (+ main_offset 39800) main_length), 153586#(<= (+ main_offset 39780) main_length), 153587#(<= (+ main_offset 39776) main_length), 153584#(<= (+ main_offset 39788) main_length), 153585#(<= (+ main_offset 39784) main_length), 153590#(<= (+ main_offset 39764) main_length), 153591#(<= (+ main_offset 39760) main_length), 153588#(<= (+ main_offset 39772) main_length), 153589#(<= (+ main_offset 39768) main_length), 153594#(<= (+ main_offset 39748) main_length), 153595#(<= (+ main_offset 39744) main_length), 153592#(<= (+ main_offset 39756) main_length), 153593#(<= (+ main_offset 39752) main_length), 153598#(<= (+ main_offset 39732) main_length), 153599#(<= (+ main_offset 39728) main_length), 153596#(<= (+ main_offset 39740) main_length), 153597#(<= (+ main_offset 39736) main_length)] [2018-07-23 13:56:44,548 INFO L134 CoverageAnalysis]: Checked inductivity of 33306 backedges. 0 proven. 33306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:44,548 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:56:44,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:56:44,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:56:44,552 INFO L87 Difference]: Start difference. First operand 368 states and 368 transitions. Second operand 185 states. [2018-07-23 13:56:45,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:45,206 INFO L93 Difference]: Finished difference Result 371 states and 371 transitions. [2018-07-23 13:56:45,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:56:45,206 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 367 [2018-07-23 13:56:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:45,206 INFO L225 Difference]: With dead ends: 371 [2018-07-23 13:56:45,206 INFO L226 Difference]: Without dead ends: 370 [2018-07-23 13:56:45,208 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:56:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2018-07-23 13:56:45,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2018-07-23 13:56:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-07-23 13:56:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 370 transitions. [2018-07-23 13:56:45,212 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 370 transitions. Word has length 367 [2018-07-23 13:56:45,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:45,212 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 370 transitions. [2018-07-23 13:56:45,212 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:56:45,212 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 370 transitions. [2018-07-23 13:56:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-07-23 13:56:45,213 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:45,213 INFO L357 BasicCegarLoop]: trace histogram [184, 183, 1, 1] [2018-07-23 13:56:45,213 INFO L414 AbstractCegarLoop]: === Iteration 184 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:45,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1601005966, now seen corresponding path program 183 times [2018-07-23 13:56:45,214 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 0 proven. 33672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:46,453 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:46,453 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:56:46,454 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:46,454 INFO L185 omatonBuilderFactory]: Interpolants [155198#(<= (+ main_offset 40000) main_length), 155199#(<= (+ main_offset 39996) main_length), 155196#true, 155197#false, 155202#(<= (+ main_offset 39984) main_length), 155203#(<= (+ main_offset 39980) main_length), 155200#(<= (+ main_offset 39992) main_length), 155201#(<= (+ main_offset 39988) main_length), 155206#(<= (+ main_offset 39968) main_length), 155207#(<= (+ main_offset 39964) main_length), 155204#(<= (+ main_offset 39976) main_length), 155205#(<= (+ main_offset 39972) main_length), 155210#(<= (+ main_offset 39952) main_length), 155211#(<= (+ main_offset 39948) main_length), 155208#(<= (+ main_offset 39960) main_length), 155209#(<= (+ main_offset 39956) main_length), 155214#(<= (+ main_offset 39936) main_length), 155215#(<= (+ main_offset 39932) main_length), 155212#(<= (+ main_offset 39944) main_length), 155213#(<= (+ main_offset 39940) main_length), 155218#(<= (+ main_offset 39920) main_length), 155219#(<= (+ main_offset 39916) main_length), 155216#(<= (+ main_offset 39928) main_length), 155217#(<= (+ main_offset 39924) main_length), 155222#(<= (+ main_offset 39904) main_length), 155223#(<= (+ main_offset 39900) main_length), 155220#(<= (+ main_offset 39912) main_length), 155221#(<= (+ main_offset 39908) main_length), 155226#(<= (+ main_offset 39888) main_length), 155227#(<= (+ main_offset 39884) main_length), 155224#(<= (+ main_offset 39896) main_length), 155225#(<= (+ main_offset 39892) main_length), 155230#(<= (+ main_offset 39872) main_length), 155231#(<= (+ main_offset 39868) main_length), 155228#(<= (+ main_offset 39880) main_length), 155229#(<= (+ main_offset 39876) main_length), 155234#(<= (+ main_offset 39856) main_length), 155235#(<= (+ main_offset 39852) main_length), 155232#(<= (+ main_offset 39864) main_length), 155233#(<= (+ main_offset 39860) main_length), 155238#(<= (+ main_offset 39840) main_length), 155239#(<= (+ main_offset 39836) main_length), 155236#(<= (+ main_offset 39848) main_length), 155237#(<= (+ main_offset 39844) main_length), 155242#(<= (+ main_offset 39824) main_length), 155243#(<= (+ main_offset 39820) main_length), 155240#(<= (+ main_offset 39832) main_length), 155241#(<= (+ main_offset 39828) main_length), 155246#(<= (+ main_offset 39808) main_length), 155247#(<= (+ main_offset 39804) main_length), 155244#(<= (+ main_offset 39816) main_length), 155245#(<= (+ main_offset 39812) main_length), 155250#(<= (+ main_offset 39792) main_length), 155251#(<= (+ main_offset 39788) main_length), 155248#(<= (+ main_offset 39800) main_length), 155249#(<= (+ main_offset 39796) main_length), 155254#(<= (+ main_offset 39776) main_length), 155255#(<= (+ main_offset 39772) main_length), 155252#(<= (+ main_offset 39784) main_length), 155253#(<= (+ main_offset 39780) main_length), 155258#(<= (+ main_offset 39760) main_length), 155259#(<= (+ main_offset 39756) main_length), 155256#(<= (+ main_offset 39768) main_length), 155257#(<= (+ main_offset 39764) main_length), 155262#(<= (+ main_offset 39744) main_length), 155263#(<= (+ main_offset 39740) main_length), 155260#(<= (+ main_offset 39752) main_length), 155261#(<= (+ main_offset 39748) main_length), 155266#(<= (+ main_offset 39728) main_length), 155267#(<= (+ main_offset 39724) main_length), 155264#(<= (+ main_offset 39736) main_length), 155265#(<= (+ main_offset 39732) main_length), 155270#(<= (+ main_offset 39712) main_length), 155271#(<= (+ main_offset 39708) main_length), 155268#(<= (+ main_offset 39720) main_length), 155269#(<= (+ main_offset 39716) main_length), 155274#(<= (+ main_offset 39696) main_length), 155275#(<= (+ main_offset 39692) main_length), 155272#(<= (+ main_offset 39704) main_length), 155273#(<= (+ main_offset 39700) main_length), 155278#(<= (+ main_offset 39680) main_length), 155279#(<= (+ main_offset 39676) main_length), 155276#(<= (+ main_offset 39688) main_length), 155277#(<= (+ main_offset 39684) main_length), 155282#(<= (+ main_offset 39664) main_length), 155283#(<= (+ main_offset 39660) main_length), 155280#(<= (+ main_offset 39672) main_length), 155281#(<= (+ main_offset 39668) main_length), 155286#(<= (+ main_offset 39648) main_length), 155287#(<= (+ main_offset 39644) main_length), 155284#(<= (+ main_offset 39656) main_length), 155285#(<= (+ main_offset 39652) main_length), 155290#(<= (+ main_offset 39632) main_length), 155291#(<= (+ main_offset 39628) main_length), 155288#(<= (+ main_offset 39640) main_length), 155289#(<= (+ main_offset 39636) main_length), 155294#(<= (+ main_offset 39616) main_length), 155295#(<= (+ main_offset 39612) main_length), 155292#(<= (+ main_offset 39624) main_length), 155293#(<= (+ main_offset 39620) main_length), 155298#(<= (+ main_offset 39600) main_length), 155299#(<= (+ main_offset 39596) main_length), 155296#(<= (+ main_offset 39608) main_length), 155297#(<= (+ main_offset 39604) main_length), 155302#(<= (+ main_offset 39584) main_length), 155303#(<= (+ main_offset 39580) main_length), 155300#(<= (+ main_offset 39592) main_length), 155301#(<= (+ main_offset 39588) main_length), 155306#(<= (+ main_offset 39568) main_length), 155307#(<= (+ main_offset 39564) main_length), 155304#(<= (+ main_offset 39576) main_length), 155305#(<= (+ main_offset 39572) main_length), 155310#(<= (+ main_offset 39552) main_length), 155311#(<= (+ main_offset 39548) main_length), 155308#(<= (+ main_offset 39560) main_length), 155309#(<= (+ main_offset 39556) main_length), 155314#(<= (+ main_offset 39536) main_length), 155315#(<= (+ main_offset 39532) main_length), 155312#(<= (+ main_offset 39544) main_length), 155313#(<= (+ main_offset 39540) main_length), 155318#(<= (+ main_offset 39520) main_length), 155319#(<= (+ main_offset 39516) main_length), 155316#(<= (+ main_offset 39528) main_length), 155317#(<= (+ main_offset 39524) main_length), 155322#(<= (+ main_offset 39504) main_length), 155323#(<= (+ main_offset 39500) main_length), 155320#(<= (+ main_offset 39512) main_length), 155321#(<= (+ main_offset 39508) main_length), 155326#(<= (+ main_offset 39488) main_length), 155327#(<= (+ main_offset 39484) main_length), 155324#(<= (+ main_offset 39496) main_length), 155325#(<= (+ main_offset 39492) main_length), 155330#(<= (+ main_offset 39472) main_length), 155331#(<= (+ main_offset 39468) main_length), 155328#(<= (+ main_offset 39480) main_length), 155329#(<= (+ main_offset 39476) main_length), 155334#(<= (+ main_offset 39456) main_length), 155335#(<= (+ main_offset 39452) main_length), 155332#(<= (+ main_offset 39464) main_length), 155333#(<= (+ main_offset 39460) main_length), 155338#(<= (+ main_offset 39440) main_length), 155339#(<= (+ main_offset 39436) main_length), 155336#(<= (+ main_offset 39448) main_length), 155337#(<= (+ main_offset 39444) main_length), 155342#(<= (+ main_offset 39424) main_length), 155343#(<= (+ main_offset 39420) main_length), 155340#(<= (+ main_offset 39432) main_length), 155341#(<= (+ main_offset 39428) main_length), 155346#(<= (+ main_offset 39408) main_length), 155347#(<= (+ main_offset 39404) main_length), 155344#(<= (+ main_offset 39416) main_length), 155345#(<= (+ main_offset 39412) main_length), 155350#(<= (+ main_offset 39392) main_length), 155351#(<= (+ main_offset 39388) main_length), 155348#(<= (+ main_offset 39400) main_length), 155349#(<= (+ main_offset 39396) main_length), 155354#(<= (+ main_offset 39376) main_length), 155355#(<= (+ main_offset 39372) main_length), 155352#(<= (+ main_offset 39384) main_length), 155353#(<= (+ main_offset 39380) main_length), 155358#(<= (+ main_offset 39360) main_length), 155359#(<= (+ main_offset 39356) main_length), 155356#(<= (+ main_offset 39368) main_length), 155357#(<= (+ main_offset 39364) main_length), 155362#(<= (+ main_offset 39344) main_length), 155363#(<= (+ main_offset 39340) main_length), 155360#(<= (+ main_offset 39352) main_length), 155361#(<= (+ main_offset 39348) main_length), 155366#(<= (+ main_offset 39328) main_length), 155367#(<= (+ main_offset 39324) main_length), 155364#(<= (+ main_offset 39336) main_length), 155365#(<= (+ main_offset 39332) main_length), 155370#(<= (+ main_offset 39312) main_length), 155371#(<= (+ main_offset 39308) main_length), 155368#(<= (+ main_offset 39320) main_length), 155369#(<= (+ main_offset 39316) main_length), 155374#(<= (+ main_offset 39296) main_length), 155375#(<= (+ main_offset 39292) main_length), 155372#(<= (+ main_offset 39304) main_length), 155373#(<= (+ main_offset 39300) main_length), 155378#(<= (+ main_offset 39280) main_length), 155379#(<= (+ main_offset 39276) main_length), 155376#(<= (+ main_offset 39288) main_length), 155377#(<= (+ main_offset 39284) main_length), 155380#(<= (+ main_offset 39272) main_length), 155381#(<= (+ main_offset 39268) main_length)] [2018-07-23 13:56:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 0 proven. 33672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:46,456 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:56:46,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:56:46,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:56:46,459 INFO L87 Difference]: Start difference. First operand 370 states and 370 transitions. Second operand 186 states. [2018-07-23 13:56:47,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:47,879 INFO L93 Difference]: Finished difference Result 373 states and 373 transitions. [2018-07-23 13:56:47,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:56:47,880 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 369 [2018-07-23 13:56:47,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:47,880 INFO L225 Difference]: With dead ends: 373 [2018-07-23 13:56:47,880 INFO L226 Difference]: Without dead ends: 372 [2018-07-23 13:56:47,882 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:56:47,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-07-23 13:56:47,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-07-23 13:56:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-07-23 13:56:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 372 transitions. [2018-07-23 13:56:47,886 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 372 transitions. Word has length 369 [2018-07-23 13:56:47,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:47,886 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 372 transitions. [2018-07-23 13:56:47,886 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:56:47,886 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 372 transitions. [2018-07-23 13:56:47,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-07-23 13:56:47,887 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:47,887 INFO L357 BasicCegarLoop]: trace histogram [185, 184, 1, 1] [2018-07-23 13:56:47,888 INFO L414 AbstractCegarLoop]: === Iteration 185 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:47,888 INFO L82 PathProgramCache]: Analyzing trace with hash 968442448, now seen corresponding path program 184 times [2018-07-23 13:56:47,888 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:49,193 INFO L134 CoverageAnalysis]: Checked inductivity of 34040 backedges. 0 proven. 34040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:49,193 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:49,193 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:56:49,194 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:49,194 INFO L185 omatonBuilderFactory]: Interpolants [156930#(<= (+ main_offset 39776) main_length), 156931#(<= (+ main_offset 39772) main_length), 156928#(<= (+ main_offset 39784) main_length), 156929#(<= (+ main_offset 39780) main_length), 156934#(<= (+ main_offset 39760) main_length), 156935#(<= (+ main_offset 39756) main_length), 156932#(<= (+ main_offset 39768) main_length), 156933#(<= (+ main_offset 39764) main_length), 156938#(<= (+ main_offset 39744) main_length), 156939#(<= (+ main_offset 39740) main_length), 156936#(<= (+ main_offset 39752) main_length), 156937#(<= (+ main_offset 39748) main_length), 156942#(<= (+ main_offset 39728) main_length), 156943#(<= (+ main_offset 39724) main_length), 156940#(<= (+ main_offset 39736) main_length), 156941#(<= (+ main_offset 39732) main_length), 156946#(<= (+ main_offset 39712) main_length), 156947#(<= (+ main_offset 39708) main_length), 156944#(<= (+ main_offset 39720) main_length), 156945#(<= (+ main_offset 39716) main_length), 156950#(<= (+ main_offset 39696) main_length), 156951#(<= (+ main_offset 39692) main_length), 156948#(<= (+ main_offset 39704) main_length), 156949#(<= (+ main_offset 39700) main_length), 156954#(<= (+ main_offset 39680) main_length), 156955#(<= (+ main_offset 39676) main_length), 156952#(<= (+ main_offset 39688) main_length), 156953#(<= (+ main_offset 39684) main_length), 156958#(<= (+ main_offset 39664) main_length), 156959#(<= (+ main_offset 39660) main_length), 156956#(<= (+ main_offset 39672) main_length), 156957#(<= (+ main_offset 39668) main_length), 156962#(<= (+ main_offset 39648) main_length), 156963#(<= (+ main_offset 39644) main_length), 156960#(<= (+ main_offset 39656) main_length), 156961#(<= (+ main_offset 39652) main_length), 156966#(<= (+ main_offset 39632) main_length), 156967#(<= (+ main_offset 39628) main_length), 156964#(<= (+ main_offset 39640) main_length), 156965#(<= (+ main_offset 39636) main_length), 156970#(<= (+ main_offset 39616) main_length), 156971#(<= (+ main_offset 39612) main_length), 156968#(<= (+ main_offset 39624) main_length), 156969#(<= (+ main_offset 39620) main_length), 156974#(<= (+ main_offset 39600) main_length), 156975#(<= (+ main_offset 39596) main_length), 156972#(<= (+ main_offset 39608) main_length), 156973#(<= (+ main_offset 39604) main_length), 156978#(<= (+ main_offset 39584) main_length), 156979#(<= (+ main_offset 39580) main_length), 156976#(<= (+ main_offset 39592) main_length), 156977#(<= (+ main_offset 39588) main_length), 156982#(<= (+ main_offset 39568) main_length), 156983#(<= (+ main_offset 39564) main_length), 156980#(<= (+ main_offset 39576) main_length), 156981#(<= (+ main_offset 39572) main_length), 156986#(<= (+ main_offset 39552) main_length), 156987#(<= (+ main_offset 39548) main_length), 156984#(<= (+ main_offset 39560) main_length), 156985#(<= (+ main_offset 39556) main_length), 156990#(<= (+ main_offset 39536) main_length), 156991#(<= (+ main_offset 39532) main_length), 156988#(<= (+ main_offset 39544) main_length), 156989#(<= (+ main_offset 39540) main_length), 156994#(<= (+ main_offset 39520) main_length), 156995#(<= (+ main_offset 39516) main_length), 156992#(<= (+ main_offset 39528) main_length), 156993#(<= (+ main_offset 39524) main_length), 156998#(<= (+ main_offset 39504) main_length), 156999#(<= (+ main_offset 39500) main_length), 156996#(<= (+ main_offset 39512) main_length), 156997#(<= (+ main_offset 39508) main_length), 157002#(<= (+ main_offset 39488) main_length), 157003#(<= (+ main_offset 39484) main_length), 157000#(<= (+ main_offset 39496) main_length), 157001#(<= (+ main_offset 39492) main_length), 157006#(<= (+ main_offset 39472) main_length), 157007#(<= (+ main_offset 39468) main_length), 157004#(<= (+ main_offset 39480) main_length), 157005#(<= (+ main_offset 39476) main_length), 157010#(<= (+ main_offset 39456) main_length), 157011#(<= (+ main_offset 39452) main_length), 157008#(<= (+ main_offset 39464) main_length), 157009#(<= (+ main_offset 39460) main_length), 157014#(<= (+ main_offset 39440) main_length), 157015#(<= (+ main_offset 39436) main_length), 157012#(<= (+ main_offset 39448) main_length), 157013#(<= (+ main_offset 39444) main_length), 157018#(<= (+ main_offset 39424) main_length), 157019#(<= (+ main_offset 39420) main_length), 157016#(<= (+ main_offset 39432) main_length), 157017#(<= (+ main_offset 39428) main_length), 157022#(<= (+ main_offset 39408) main_length), 157023#(<= (+ main_offset 39404) main_length), 157020#(<= (+ main_offset 39416) main_length), 157021#(<= (+ main_offset 39412) main_length), 157026#(<= (+ main_offset 39392) main_length), 157027#(<= (+ main_offset 39388) main_length), 157024#(<= (+ main_offset 39400) main_length), 157025#(<= (+ main_offset 39396) main_length), 157030#(<= (+ main_offset 39376) main_length), 157031#(<= (+ main_offset 39372) main_length), 157028#(<= (+ main_offset 39384) main_length), 157029#(<= (+ main_offset 39380) main_length), 157034#(<= (+ main_offset 39360) main_length), 157035#(<= (+ main_offset 39356) main_length), 157032#(<= (+ main_offset 39368) main_length), 157033#(<= (+ main_offset 39364) main_length), 157038#(<= (+ main_offset 39344) main_length), 157039#(<= (+ main_offset 39340) main_length), 157036#(<= (+ main_offset 39352) main_length), 157037#(<= (+ main_offset 39348) main_length), 157042#(<= (+ main_offset 39328) main_length), 157043#(<= (+ main_offset 39324) main_length), 157040#(<= (+ main_offset 39336) main_length), 157041#(<= (+ main_offset 39332) main_length), 157046#(<= (+ main_offset 39312) main_length), 157047#(<= (+ main_offset 39308) main_length), 157044#(<= (+ main_offset 39320) main_length), 157045#(<= (+ main_offset 39316) main_length), 157050#(<= (+ main_offset 39296) main_length), 157051#(<= (+ main_offset 39292) main_length), 157048#(<= (+ main_offset 39304) main_length), 157049#(<= (+ main_offset 39300) main_length), 157054#(<= (+ main_offset 39280) main_length), 157055#(<= (+ main_offset 39276) main_length), 157052#(<= (+ main_offset 39288) main_length), 157053#(<= (+ main_offset 39284) main_length), 157058#(<= (+ main_offset 39264) main_length), 157056#(<= (+ main_offset 39272) main_length), 157057#(<= (+ main_offset 39268) main_length), 156874#(<= (+ main_offset 40000) main_length), 156875#(<= (+ main_offset 39996) main_length), 156872#true, 156873#false, 156878#(<= (+ main_offset 39984) main_length), 156879#(<= (+ main_offset 39980) main_length), 156876#(<= (+ main_offset 39992) main_length), 156877#(<= (+ main_offset 39988) main_length), 156882#(<= (+ main_offset 39968) main_length), 156883#(<= (+ main_offset 39964) main_length), 156880#(<= (+ main_offset 39976) main_length), 156881#(<= (+ main_offset 39972) main_length), 156886#(<= (+ main_offset 39952) main_length), 156887#(<= (+ main_offset 39948) main_length), 156884#(<= (+ main_offset 39960) main_length), 156885#(<= (+ main_offset 39956) main_length), 156890#(<= (+ main_offset 39936) main_length), 156891#(<= (+ main_offset 39932) main_length), 156888#(<= (+ main_offset 39944) main_length), 156889#(<= (+ main_offset 39940) main_length), 156894#(<= (+ main_offset 39920) main_length), 156895#(<= (+ main_offset 39916) main_length), 156892#(<= (+ main_offset 39928) main_length), 156893#(<= (+ main_offset 39924) main_length), 156898#(<= (+ main_offset 39904) main_length), 156899#(<= (+ main_offset 39900) main_length), 156896#(<= (+ main_offset 39912) main_length), 156897#(<= (+ main_offset 39908) main_length), 156902#(<= (+ main_offset 39888) main_length), 156903#(<= (+ main_offset 39884) main_length), 156900#(<= (+ main_offset 39896) main_length), 156901#(<= (+ main_offset 39892) main_length), 156906#(<= (+ main_offset 39872) main_length), 156907#(<= (+ main_offset 39868) main_length), 156904#(<= (+ main_offset 39880) main_length), 156905#(<= (+ main_offset 39876) main_length), 156910#(<= (+ main_offset 39856) main_length), 156911#(<= (+ main_offset 39852) main_length), 156908#(<= (+ main_offset 39864) main_length), 156909#(<= (+ main_offset 39860) main_length), 156914#(<= (+ main_offset 39840) main_length), 156915#(<= (+ main_offset 39836) main_length), 156912#(<= (+ main_offset 39848) main_length), 156913#(<= (+ main_offset 39844) main_length), 156918#(<= (+ main_offset 39824) main_length), 156919#(<= (+ main_offset 39820) main_length), 156916#(<= (+ main_offset 39832) main_length), 156917#(<= (+ main_offset 39828) main_length), 156922#(<= (+ main_offset 39808) main_length), 156923#(<= (+ main_offset 39804) main_length), 156920#(<= (+ main_offset 39816) main_length), 156921#(<= (+ main_offset 39812) main_length), 156926#(<= (+ main_offset 39792) main_length), 156927#(<= (+ main_offset 39788) main_length), 156924#(<= (+ main_offset 39800) main_length), 156925#(<= (+ main_offset 39796) main_length)] [2018-07-23 13:56:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 34040 backedges. 0 proven. 34040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:49,196 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:56:49,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:56:49,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:56:49,200 INFO L87 Difference]: Start difference. First operand 372 states and 372 transitions. Second operand 187 states. [2018-07-23 13:56:50,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:50,042 INFO L93 Difference]: Finished difference Result 375 states and 375 transitions. [2018-07-23 13:56:50,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:56:50,043 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 371 [2018-07-23 13:56:50,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:50,043 INFO L225 Difference]: With dead ends: 375 [2018-07-23 13:56:50,043 INFO L226 Difference]: Without dead ends: 374 [2018-07-23 13:56:50,044 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:56:50,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-07-23 13:56:50,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2018-07-23 13:56:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-07-23 13:56:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 374 transitions. [2018-07-23 13:56:50,048 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 374 transitions. Word has length 371 [2018-07-23 13:56:50,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:50,048 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 374 transitions. [2018-07-23 13:56:50,048 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:56:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 374 transitions. [2018-07-23 13:56:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-07-23 13:56:50,049 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:50,049 INFO L357 BasicCegarLoop]: trace histogram [186, 185, 1, 1] [2018-07-23 13:56:50,049 INFO L414 AbstractCegarLoop]: === Iteration 186 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:50,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1334709614, now seen corresponding path program 185 times [2018-07-23 13:56:50,050 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34410 backedges. 0 proven. 34410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:51,341 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:51,341 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:56:51,341 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:51,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:51,342 INFO L185 omatonBuilderFactory]: Interpolants [158722#(<= (+ main_offset 39348) main_length), 158723#(<= (+ main_offset 39344) main_length), 158720#(<= (+ main_offset 39356) main_length), 158721#(<= (+ main_offset 39352) main_length), 158726#(<= (+ main_offset 39332) main_length), 158727#(<= (+ main_offset 39328) main_length), 158724#(<= (+ main_offset 39340) main_length), 158725#(<= (+ main_offset 39336) main_length), 158730#(<= (+ main_offset 39316) main_length), 158731#(<= (+ main_offset 39312) main_length), 158728#(<= (+ main_offset 39324) main_length), 158729#(<= (+ main_offset 39320) main_length), 158734#(<= (+ main_offset 39300) main_length), 158735#(<= (+ main_offset 39296) main_length), 158732#(<= (+ main_offset 39308) main_length), 158733#(<= (+ main_offset 39304) main_length), 158738#(<= (+ main_offset 39284) main_length), 158739#(<= (+ main_offset 39280) main_length), 158736#(<= (+ main_offset 39292) main_length), 158737#(<= (+ main_offset 39288) main_length), 158742#(<= (+ main_offset 39268) main_length), 158743#(<= (+ main_offset 39264) main_length), 158740#(<= (+ main_offset 39276) main_length), 158741#(<= (+ main_offset 39272) main_length), 158744#(<= (+ main_offset 39260) main_length), 158558#false, 158559#(<= (+ main_offset 40000) main_length), 158557#true, 158562#(<= (+ main_offset 39988) main_length), 158563#(<= (+ main_offset 39984) main_length), 158560#(<= (+ main_offset 39996) main_length), 158561#(<= (+ main_offset 39992) main_length), 158566#(<= (+ main_offset 39972) main_length), 158567#(<= (+ main_offset 39968) main_length), 158564#(<= (+ main_offset 39980) main_length), 158565#(<= (+ main_offset 39976) main_length), 158570#(<= (+ main_offset 39956) main_length), 158571#(<= (+ main_offset 39952) main_length), 158568#(<= (+ main_offset 39964) main_length), 158569#(<= (+ main_offset 39960) main_length), 158574#(<= (+ main_offset 39940) main_length), 158575#(<= (+ main_offset 39936) main_length), 158572#(<= (+ main_offset 39948) main_length), 158573#(<= (+ main_offset 39944) main_length), 158578#(<= (+ main_offset 39924) main_length), 158579#(<= (+ main_offset 39920) main_length), 158576#(<= (+ main_offset 39932) main_length), 158577#(<= (+ main_offset 39928) main_length), 158582#(<= (+ main_offset 39908) main_length), 158583#(<= (+ main_offset 39904) main_length), 158580#(<= (+ main_offset 39916) main_length), 158581#(<= (+ main_offset 39912) main_length), 158586#(<= (+ main_offset 39892) main_length), 158587#(<= (+ main_offset 39888) main_length), 158584#(<= (+ main_offset 39900) main_length), 158585#(<= (+ main_offset 39896) main_length), 158590#(<= (+ main_offset 39876) main_length), 158591#(<= (+ main_offset 39872) main_length), 158588#(<= (+ main_offset 39884) main_length), 158589#(<= (+ main_offset 39880) main_length), 158594#(<= (+ main_offset 39860) main_length), 158595#(<= (+ main_offset 39856) main_length), 158592#(<= (+ main_offset 39868) main_length), 158593#(<= (+ main_offset 39864) main_length), 158598#(<= (+ main_offset 39844) main_length), 158599#(<= (+ main_offset 39840) main_length), 158596#(<= (+ main_offset 39852) main_length), 158597#(<= (+ main_offset 39848) main_length), 158602#(<= (+ main_offset 39828) main_length), 158603#(<= (+ main_offset 39824) main_length), 158600#(<= (+ main_offset 39836) main_length), 158601#(<= (+ main_offset 39832) main_length), 158606#(<= (+ main_offset 39812) main_length), 158607#(<= (+ main_offset 39808) main_length), 158604#(<= (+ main_offset 39820) main_length), 158605#(<= (+ main_offset 39816) main_length), 158610#(<= (+ main_offset 39796) main_length), 158611#(<= (+ main_offset 39792) main_length), 158608#(<= (+ main_offset 39804) main_length), 158609#(<= (+ main_offset 39800) main_length), 158614#(<= (+ main_offset 39780) main_length), 158615#(<= (+ main_offset 39776) main_length), 158612#(<= (+ main_offset 39788) main_length), 158613#(<= (+ main_offset 39784) main_length), 158618#(<= (+ main_offset 39764) main_length), 158619#(<= (+ main_offset 39760) main_length), 158616#(<= (+ main_offset 39772) main_length), 158617#(<= (+ main_offset 39768) main_length), 158622#(<= (+ main_offset 39748) main_length), 158623#(<= (+ main_offset 39744) main_length), 158620#(<= (+ main_offset 39756) main_length), 158621#(<= (+ main_offset 39752) main_length), 158626#(<= (+ main_offset 39732) main_length), 158627#(<= (+ main_offset 39728) main_length), 158624#(<= (+ main_offset 39740) main_length), 158625#(<= (+ main_offset 39736) main_length), 158630#(<= (+ main_offset 39716) main_length), 158631#(<= (+ main_offset 39712) main_length), 158628#(<= (+ main_offset 39724) main_length), 158629#(<= (+ main_offset 39720) main_length), 158634#(<= (+ main_offset 39700) main_length), 158635#(<= (+ main_offset 39696) main_length), 158632#(<= (+ main_offset 39708) main_length), 158633#(<= (+ main_offset 39704) main_length), 158638#(<= (+ main_offset 39684) main_length), 158639#(<= (+ main_offset 39680) main_length), 158636#(<= (+ main_offset 39692) main_length), 158637#(<= (+ main_offset 39688) main_length), 158642#(<= (+ main_offset 39668) main_length), 158643#(<= (+ main_offset 39664) main_length), 158640#(<= (+ main_offset 39676) main_length), 158641#(<= (+ main_offset 39672) main_length), 158646#(<= (+ main_offset 39652) main_length), 158647#(<= (+ main_offset 39648) main_length), 158644#(<= (+ main_offset 39660) main_length), 158645#(<= (+ main_offset 39656) main_length), 158650#(<= (+ main_offset 39636) main_length), 158651#(<= (+ main_offset 39632) main_length), 158648#(<= (+ main_offset 39644) main_length), 158649#(<= (+ main_offset 39640) main_length), 158654#(<= (+ main_offset 39620) main_length), 158655#(<= (+ main_offset 39616) main_length), 158652#(<= (+ main_offset 39628) main_length), 158653#(<= (+ main_offset 39624) main_length), 158658#(<= (+ main_offset 39604) main_length), 158659#(<= (+ main_offset 39600) main_length), 158656#(<= (+ main_offset 39612) main_length), 158657#(<= (+ main_offset 39608) main_length), 158662#(<= (+ main_offset 39588) main_length), 158663#(<= (+ main_offset 39584) main_length), 158660#(<= (+ main_offset 39596) main_length), 158661#(<= (+ main_offset 39592) main_length), 158666#(<= (+ main_offset 39572) main_length), 158667#(<= (+ main_offset 39568) main_length), 158664#(<= (+ main_offset 39580) main_length), 158665#(<= (+ main_offset 39576) main_length), 158670#(<= (+ main_offset 39556) main_length), 158671#(<= (+ main_offset 39552) main_length), 158668#(<= (+ main_offset 39564) main_length), 158669#(<= (+ main_offset 39560) main_length), 158674#(<= (+ main_offset 39540) main_length), 158675#(<= (+ main_offset 39536) main_length), 158672#(<= (+ main_offset 39548) main_length), 158673#(<= (+ main_offset 39544) main_length), 158678#(<= (+ main_offset 39524) main_length), 158679#(<= (+ main_offset 39520) main_length), 158676#(<= (+ main_offset 39532) main_length), 158677#(<= (+ main_offset 39528) main_length), 158682#(<= (+ main_offset 39508) main_length), 158683#(<= (+ main_offset 39504) main_length), 158680#(<= (+ main_offset 39516) main_length), 158681#(<= (+ main_offset 39512) main_length), 158686#(<= (+ main_offset 39492) main_length), 158687#(<= (+ main_offset 39488) main_length), 158684#(<= (+ main_offset 39500) main_length), 158685#(<= (+ main_offset 39496) main_length), 158690#(<= (+ main_offset 39476) main_length), 158691#(<= (+ main_offset 39472) main_length), 158688#(<= (+ main_offset 39484) main_length), 158689#(<= (+ main_offset 39480) main_length), 158694#(<= (+ main_offset 39460) main_length), 158695#(<= (+ main_offset 39456) main_length), 158692#(<= (+ main_offset 39468) main_length), 158693#(<= (+ main_offset 39464) main_length), 158698#(<= (+ main_offset 39444) main_length), 158699#(<= (+ main_offset 39440) main_length), 158696#(<= (+ main_offset 39452) main_length), 158697#(<= (+ main_offset 39448) main_length), 158702#(<= (+ main_offset 39428) main_length), 158703#(<= (+ main_offset 39424) main_length), 158700#(<= (+ main_offset 39436) main_length), 158701#(<= (+ main_offset 39432) main_length), 158706#(<= (+ main_offset 39412) main_length), 158707#(<= (+ main_offset 39408) main_length), 158704#(<= (+ main_offset 39420) main_length), 158705#(<= (+ main_offset 39416) main_length), 158710#(<= (+ main_offset 39396) main_length), 158711#(<= (+ main_offset 39392) main_length), 158708#(<= (+ main_offset 39404) main_length), 158709#(<= (+ main_offset 39400) main_length), 158714#(<= (+ main_offset 39380) main_length), 158715#(<= (+ main_offset 39376) main_length), 158712#(<= (+ main_offset 39388) main_length), 158713#(<= (+ main_offset 39384) main_length), 158718#(<= (+ main_offset 39364) main_length), 158719#(<= (+ main_offset 39360) main_length), 158716#(<= (+ main_offset 39372) main_length), 158717#(<= (+ main_offset 39368) main_length)] [2018-07-23 13:56:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 34410 backedges. 0 proven. 34410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:51,343 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:56:51,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:56:51,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:56:51,347 INFO L87 Difference]: Start difference. First operand 374 states and 374 transitions. Second operand 188 states. [2018-07-23 13:56:52,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:52,325 INFO L93 Difference]: Finished difference Result 377 states and 377 transitions. [2018-07-23 13:56:52,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:56:52,325 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 373 [2018-07-23 13:56:52,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:52,326 INFO L225 Difference]: With dead ends: 377 [2018-07-23 13:56:52,326 INFO L226 Difference]: Without dead ends: 376 [2018-07-23 13:56:52,328 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:56:52,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-07-23 13:56:52,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2018-07-23 13:56:52,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-07-23 13:56:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 376 transitions. [2018-07-23 13:56:52,332 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 376 transitions. Word has length 373 [2018-07-23 13:56:52,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:52,333 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 376 transitions. [2018-07-23 13:56:52,333 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:56:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 376 transitions. [2018-07-23 13:56:52,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-07-23 13:56:52,334 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:52,334 INFO L357 BasicCegarLoop]: trace histogram [187, 186, 1, 1] [2018-07-23 13:56:52,334 INFO L414 AbstractCegarLoop]: === Iteration 187 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:52,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1539283540, now seen corresponding path program 186 times [2018-07-23 13:56:52,334 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 34782 backedges. 0 proven. 34782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:53,715 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:53,715 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:56:53,715 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:53,716 INFO L185 omatonBuilderFactory]: Interpolants [160258#(<= (+ main_offset 39980) main_length), 160259#(<= (+ main_offset 39976) main_length), 160256#(<= (+ main_offset 39988) main_length), 160257#(<= (+ main_offset 39984) main_length), 160262#(<= (+ main_offset 39964) main_length), 160263#(<= (+ main_offset 39960) main_length), 160260#(<= (+ main_offset 39972) main_length), 160261#(<= (+ main_offset 39968) main_length), 160266#(<= (+ main_offset 39948) main_length), 160267#(<= (+ main_offset 39944) main_length), 160264#(<= (+ main_offset 39956) main_length), 160265#(<= (+ main_offset 39952) main_length), 160270#(<= (+ main_offset 39932) main_length), 160271#(<= (+ main_offset 39928) main_length), 160268#(<= (+ main_offset 39940) main_length), 160269#(<= (+ main_offset 39936) main_length), 160274#(<= (+ main_offset 39916) main_length), 160275#(<= (+ main_offset 39912) main_length), 160272#(<= (+ main_offset 39924) main_length), 160273#(<= (+ main_offset 39920) main_length), 160278#(<= (+ main_offset 39900) main_length), 160279#(<= (+ main_offset 39896) main_length), 160276#(<= (+ main_offset 39908) main_length), 160277#(<= (+ main_offset 39904) main_length), 160282#(<= (+ main_offset 39884) main_length), 160283#(<= (+ main_offset 39880) main_length), 160280#(<= (+ main_offset 39892) main_length), 160281#(<= (+ main_offset 39888) main_length), 160286#(<= (+ main_offset 39868) main_length), 160287#(<= (+ main_offset 39864) main_length), 160284#(<= (+ main_offset 39876) main_length), 160285#(<= (+ main_offset 39872) main_length), 160290#(<= (+ main_offset 39852) main_length), 160291#(<= (+ main_offset 39848) main_length), 160288#(<= (+ main_offset 39860) main_length), 160289#(<= (+ main_offset 39856) main_length), 160294#(<= (+ main_offset 39836) main_length), 160295#(<= (+ main_offset 39832) main_length), 160292#(<= (+ main_offset 39844) main_length), 160293#(<= (+ main_offset 39840) main_length), 160298#(<= (+ main_offset 39820) main_length), 160299#(<= (+ main_offset 39816) main_length), 160296#(<= (+ main_offset 39828) main_length), 160297#(<= (+ main_offset 39824) main_length), 160302#(<= (+ main_offset 39804) main_length), 160303#(<= (+ main_offset 39800) main_length), 160300#(<= (+ main_offset 39812) main_length), 160301#(<= (+ main_offset 39808) main_length), 160306#(<= (+ main_offset 39788) main_length), 160307#(<= (+ main_offset 39784) main_length), 160304#(<= (+ main_offset 39796) main_length), 160305#(<= (+ main_offset 39792) main_length), 160310#(<= (+ main_offset 39772) main_length), 160311#(<= (+ main_offset 39768) main_length), 160308#(<= (+ main_offset 39780) main_length), 160309#(<= (+ main_offset 39776) main_length), 160314#(<= (+ main_offset 39756) main_length), 160315#(<= (+ main_offset 39752) main_length), 160312#(<= (+ main_offset 39764) main_length), 160313#(<= (+ main_offset 39760) main_length), 160318#(<= (+ main_offset 39740) main_length), 160319#(<= (+ main_offset 39736) main_length), 160316#(<= (+ main_offset 39748) main_length), 160317#(<= (+ main_offset 39744) main_length), 160322#(<= (+ main_offset 39724) main_length), 160323#(<= (+ main_offset 39720) main_length), 160320#(<= (+ main_offset 39732) main_length), 160321#(<= (+ main_offset 39728) main_length), 160326#(<= (+ main_offset 39708) main_length), 160327#(<= (+ main_offset 39704) main_length), 160324#(<= (+ main_offset 39716) main_length), 160325#(<= (+ main_offset 39712) main_length), 160330#(<= (+ main_offset 39692) main_length), 160331#(<= (+ main_offset 39688) main_length), 160328#(<= (+ main_offset 39700) main_length), 160329#(<= (+ main_offset 39696) main_length), 160334#(<= (+ main_offset 39676) main_length), 160335#(<= (+ main_offset 39672) main_length), 160332#(<= (+ main_offset 39684) main_length), 160333#(<= (+ main_offset 39680) main_length), 160338#(<= (+ main_offset 39660) main_length), 160339#(<= (+ main_offset 39656) main_length), 160336#(<= (+ main_offset 39668) main_length), 160337#(<= (+ main_offset 39664) main_length), 160342#(<= (+ main_offset 39644) main_length), 160343#(<= (+ main_offset 39640) main_length), 160340#(<= (+ main_offset 39652) main_length), 160341#(<= (+ main_offset 39648) main_length), 160346#(<= (+ main_offset 39628) main_length), 160347#(<= (+ main_offset 39624) main_length), 160344#(<= (+ main_offset 39636) main_length), 160345#(<= (+ main_offset 39632) main_length), 160350#(<= (+ main_offset 39612) main_length), 160351#(<= (+ main_offset 39608) main_length), 160348#(<= (+ main_offset 39620) main_length), 160349#(<= (+ main_offset 39616) main_length), 160354#(<= (+ main_offset 39596) main_length), 160355#(<= (+ main_offset 39592) main_length), 160352#(<= (+ main_offset 39604) main_length), 160353#(<= (+ main_offset 39600) main_length), 160358#(<= (+ main_offset 39580) main_length), 160359#(<= (+ main_offset 39576) main_length), 160356#(<= (+ main_offset 39588) main_length), 160357#(<= (+ main_offset 39584) main_length), 160362#(<= (+ main_offset 39564) main_length), 160363#(<= (+ main_offset 39560) main_length), 160360#(<= (+ main_offset 39572) main_length), 160361#(<= (+ main_offset 39568) main_length), 160366#(<= (+ main_offset 39548) main_length), 160367#(<= (+ main_offset 39544) main_length), 160364#(<= (+ main_offset 39556) main_length), 160365#(<= (+ main_offset 39552) main_length), 160370#(<= (+ main_offset 39532) main_length), 160371#(<= (+ main_offset 39528) main_length), 160368#(<= (+ main_offset 39540) main_length), 160369#(<= (+ main_offset 39536) main_length), 160374#(<= (+ main_offset 39516) main_length), 160375#(<= (+ main_offset 39512) main_length), 160372#(<= (+ main_offset 39524) main_length), 160373#(<= (+ main_offset 39520) main_length), 160378#(<= (+ main_offset 39500) main_length), 160379#(<= (+ main_offset 39496) main_length), 160376#(<= (+ main_offset 39508) main_length), 160377#(<= (+ main_offset 39504) main_length), 160382#(<= (+ main_offset 39484) main_length), 160383#(<= (+ main_offset 39480) main_length), 160380#(<= (+ main_offset 39492) main_length), 160381#(<= (+ main_offset 39488) main_length), 160386#(<= (+ main_offset 39468) main_length), 160387#(<= (+ main_offset 39464) main_length), 160384#(<= (+ main_offset 39476) main_length), 160385#(<= (+ main_offset 39472) main_length), 160390#(<= (+ main_offset 39452) main_length), 160391#(<= (+ main_offset 39448) main_length), 160388#(<= (+ main_offset 39460) main_length), 160389#(<= (+ main_offset 39456) main_length), 160394#(<= (+ main_offset 39436) main_length), 160395#(<= (+ main_offset 39432) main_length), 160392#(<= (+ main_offset 39444) main_length), 160393#(<= (+ main_offset 39440) main_length), 160398#(<= (+ main_offset 39420) main_length), 160399#(<= (+ main_offset 39416) main_length), 160396#(<= (+ main_offset 39428) main_length), 160397#(<= (+ main_offset 39424) main_length), 160402#(<= (+ main_offset 39404) main_length), 160403#(<= (+ main_offset 39400) main_length), 160400#(<= (+ main_offset 39412) main_length), 160401#(<= (+ main_offset 39408) main_length), 160406#(<= (+ main_offset 39388) main_length), 160407#(<= (+ main_offset 39384) main_length), 160404#(<= (+ main_offset 39396) main_length), 160405#(<= (+ main_offset 39392) main_length), 160410#(<= (+ main_offset 39372) main_length), 160411#(<= (+ main_offset 39368) main_length), 160408#(<= (+ main_offset 39380) main_length), 160409#(<= (+ main_offset 39376) main_length), 160414#(<= (+ main_offset 39356) main_length), 160415#(<= (+ main_offset 39352) main_length), 160412#(<= (+ main_offset 39364) main_length), 160413#(<= (+ main_offset 39360) main_length), 160418#(<= (+ main_offset 39340) main_length), 160419#(<= (+ main_offset 39336) main_length), 160416#(<= (+ main_offset 39348) main_length), 160417#(<= (+ main_offset 39344) main_length), 160422#(<= (+ main_offset 39324) main_length), 160423#(<= (+ main_offset 39320) main_length), 160420#(<= (+ main_offset 39332) main_length), 160421#(<= (+ main_offset 39328) main_length), 160426#(<= (+ main_offset 39308) main_length), 160427#(<= (+ main_offset 39304) main_length), 160424#(<= (+ main_offset 39316) main_length), 160425#(<= (+ main_offset 39312) main_length), 160430#(<= (+ main_offset 39292) main_length), 160431#(<= (+ main_offset 39288) main_length), 160428#(<= (+ main_offset 39300) main_length), 160429#(<= (+ main_offset 39296) main_length), 160434#(<= (+ main_offset 39276) main_length), 160435#(<= (+ main_offset 39272) main_length), 160432#(<= (+ main_offset 39284) main_length), 160433#(<= (+ main_offset 39280) main_length), 160438#(<= (+ main_offset 39260) main_length), 160439#(<= (+ main_offset 39256) main_length), 160436#(<= (+ main_offset 39268) main_length), 160437#(<= (+ main_offset 39264) main_length), 160251#true, 160254#(<= (+ main_offset 39996) main_length), 160255#(<= (+ main_offset 39992) main_length), 160252#false, 160253#(<= (+ main_offset 40000) main_length)] [2018-07-23 13:56:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 34782 backedges. 0 proven. 34782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:53,717 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:56:53,718 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:56:53,719 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:56:53,719 INFO L87 Difference]: Start difference. First operand 376 states and 376 transitions. Second operand 189 states. [2018-07-23 13:56:55,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:55,272 INFO L93 Difference]: Finished difference Result 379 states and 379 transitions. [2018-07-23 13:56:55,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:56:55,272 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 375 [2018-07-23 13:56:55,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:55,273 INFO L225 Difference]: With dead ends: 379 [2018-07-23 13:56:55,273 INFO L226 Difference]: Without dead ends: 378 [2018-07-23 13:56:55,273 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:56:55,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-07-23 13:56:55,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2018-07-23 13:56:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-07-23 13:56:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 378 transitions. [2018-07-23 13:56:55,277 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 378 transitions. Word has length 375 [2018-07-23 13:56:55,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:55,278 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 378 transitions. [2018-07-23 13:56:55,278 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:56:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 378 transitions. [2018-07-23 13:56:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-07-23 13:56:55,279 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:55,279 INFO L357 BasicCegarLoop]: trace histogram [188, 187, 1, 1] [2018-07-23 13:56:55,279 INFO L414 AbstractCegarLoop]: === Iteration 188 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:55,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1782733206, now seen corresponding path program 187 times [2018-07-23 13:56:55,279 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 35156 backedges. 0 proven. 35156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:56,645 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:56,645 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:56:56,646 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:56,646 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 13:56:56,646 INFO L185 omatonBuilderFactory]: Interpolants [162050#(<= (+ main_offset 39624) main_length), 162051#(<= (+ main_offset 39620) main_length), 162048#(<= (+ main_offset 39632) main_length), 162049#(<= (+ main_offset 39628) main_length), 162054#(<= (+ main_offset 39608) main_length), 162055#(<= (+ main_offset 39604) main_length), 162052#(<= (+ main_offset 39616) main_length), 162053#(<= (+ main_offset 39612) main_length), 162058#(<= (+ main_offset 39592) main_length), 162059#(<= (+ main_offset 39588) main_length), 162056#(<= (+ main_offset 39600) main_length), 162057#(<= (+ main_offset 39596) main_length), 162062#(<= (+ main_offset 39576) main_length), 162063#(<= (+ main_offset 39572) main_length), 162060#(<= (+ main_offset 39584) main_length), 162061#(<= (+ main_offset 39580) main_length), 162066#(<= (+ main_offset 39560) main_length), 162067#(<= (+ main_offset 39556) main_length), 162064#(<= (+ main_offset 39568) main_length), 162065#(<= (+ main_offset 39564) main_length), 162070#(<= (+ main_offset 39544) main_length), 162071#(<= (+ main_offset 39540) main_length), 162068#(<= (+ main_offset 39552) main_length), 162069#(<= (+ main_offset 39548) main_length), 162074#(<= (+ main_offset 39528) main_length), 162075#(<= (+ main_offset 39524) main_length), 162072#(<= (+ main_offset 39536) main_length), 162073#(<= (+ main_offset 39532) main_length), 162078#(<= (+ main_offset 39512) main_length), 162079#(<= (+ main_offset 39508) main_length), 162076#(<= (+ main_offset 39520) main_length), 162077#(<= (+ main_offset 39516) main_length), 162082#(<= (+ main_offset 39496) main_length), 162083#(<= (+ main_offset 39492) main_length), 162080#(<= (+ main_offset 39504) main_length), 162081#(<= (+ main_offset 39500) main_length), 162086#(<= (+ main_offset 39480) main_length), 162087#(<= (+ main_offset 39476) main_length), 162084#(<= (+ main_offset 39488) main_length), 162085#(<= (+ main_offset 39484) main_length), 162090#(<= (+ main_offset 39464) main_length), 162091#(<= (+ main_offset 39460) main_length), 162088#(<= (+ main_offset 39472) main_length), 162089#(<= (+ main_offset 39468) main_length), 162094#(<= (+ main_offset 39448) main_length), 162095#(<= (+ main_offset 39444) main_length), 162092#(<= (+ main_offset 39456) main_length), 162093#(<= (+ main_offset 39452) main_length), 162098#(<= (+ main_offset 39432) main_length), 162099#(<= (+ main_offset 39428) main_length), 162096#(<= (+ main_offset 39440) main_length), 162097#(<= (+ main_offset 39436) main_length), 162102#(<= (+ main_offset 39416) main_length), 162103#(<= (+ main_offset 39412) main_length), 162100#(<= (+ main_offset 39424) main_length), 162101#(<= (+ main_offset 39420) main_length), 162106#(<= (+ main_offset 39400) main_length), 162107#(<= (+ main_offset 39396) main_length), 162104#(<= (+ main_offset 39408) main_length), 162105#(<= (+ main_offset 39404) main_length), 162110#(<= (+ main_offset 39384) main_length), 162111#(<= (+ main_offset 39380) main_length), 162108#(<= (+ main_offset 39392) main_length), 162109#(<= (+ main_offset 39388) main_length), 162114#(<= (+ main_offset 39368) main_length), 162115#(<= (+ main_offset 39364) main_length), 162112#(<= (+ main_offset 39376) main_length), 162113#(<= (+ main_offset 39372) main_length), 162118#(<= (+ main_offset 39352) main_length), 162119#(<= (+ main_offset 39348) main_length), 162116#(<= (+ main_offset 39360) main_length), 162117#(<= (+ main_offset 39356) main_length), 162122#(<= (+ main_offset 39336) main_length), 162123#(<= (+ main_offset 39332) main_length), 162120#(<= (+ main_offset 39344) main_length), 162121#(<= (+ main_offset 39340) main_length), 162126#(<= (+ main_offset 39320) main_length), 162127#(<= (+ main_offset 39316) main_length), 162124#(<= (+ main_offset 39328) main_length), 162125#(<= (+ main_offset 39324) main_length), 162130#(<= (+ main_offset 39304) main_length), 162131#(<= (+ main_offset 39300) main_length), 162128#(<= (+ main_offset 39312) main_length), 162129#(<= (+ main_offset 39308) main_length), 162134#(<= (+ main_offset 39288) main_length), 162135#(<= (+ main_offset 39284) main_length), 162132#(<= (+ main_offset 39296) main_length), 162133#(<= (+ main_offset 39292) main_length), 162138#(<= (+ main_offset 39272) main_length), 162139#(<= (+ main_offset 39268) main_length), 162136#(<= (+ main_offset 39280) main_length), 162137#(<= (+ main_offset 39276) main_length), 162142#(<= (+ main_offset 39256) main_length), 162143#(<= (+ main_offset 39252) main_length), 162140#(<= (+ main_offset 39264) main_length), 162141#(<= (+ main_offset 39260) main_length), 161954#true, 161955#false, 161958#(<= (+ main_offset 39992) main_length), 161959#(<= (+ main_offset 39988) main_length), 161956#(<= (+ main_offset 40000) main_length), 161957#(<= (+ main_offset 39996) main_length), 161962#(<= (+ main_offset 39976) main_length), 161963#(<= (+ main_offset 39972) main_length), 161960#(<= (+ main_offset 39984) main_length), 161961#(<= (+ main_offset 39980) main_length), 161966#(<= (+ main_offset 39960) main_length), 161967#(<= (+ main_offset 39956) main_length), 161964#(<= (+ main_offset 39968) main_length), 161965#(<= (+ main_offset 39964) main_length), 161970#(<= (+ main_offset 39944) main_length), 161971#(<= (+ main_offset 39940) main_length), 161968#(<= (+ main_offset 39952) main_length), 161969#(<= (+ main_offset 39948) main_length), 161974#(<= (+ main_offset 39928) main_length), 161975#(<= (+ main_offset 39924) main_length), 161972#(<= (+ main_offset 39936) main_length), 161973#(<= (+ main_offset 39932) main_length), 161978#(<= (+ main_offset 39912) main_length), 161979#(<= (+ main_offset 39908) main_length), 161976#(<= (+ main_offset 39920) main_length), 161977#(<= (+ main_offset 39916) main_length), 161982#(<= (+ main_offset 39896) main_length), 161983#(<= (+ main_offset 39892) main_length), 161980#(<= (+ main_offset 39904) main_length), 161981#(<= (+ main_offset 39900) main_length), 161986#(<= (+ main_offset 39880) main_length), 161987#(<= (+ main_offset 39876) main_length), 161984#(<= (+ main_offset 39888) main_length), 161985#(<= (+ main_offset 39884) main_length), 161990#(<= (+ main_offset 39864) main_length), 161991#(<= (+ main_offset 39860) main_length), 161988#(<= (+ main_offset 39872) main_length), 161989#(<= (+ main_offset 39868) main_length), 161994#(<= (+ main_offset 39848) main_length), 161995#(<= (+ main_offset 39844) main_length), 161992#(<= (+ main_offset 39856) main_length), 161993#(<= (+ main_offset 39852) main_length), 161998#(<= (+ main_offset 39832) main_length), 161999#(<= (+ main_offset 39828) main_length), 161996#(<= (+ main_offset 39840) main_length), 161997#(<= (+ main_offset 39836) main_length), 162002#(<= (+ main_offset 39816) main_length), 162003#(<= (+ main_offset 39812) main_length), 162000#(<= (+ main_offset 39824) main_length), 162001#(<= (+ main_offset 39820) main_length), 162006#(<= (+ main_offset 39800) main_length), 162007#(<= (+ main_offset 39796) main_length), 162004#(<= (+ main_offset 39808) main_length), 162005#(<= (+ main_offset 39804) main_length), 162010#(<= (+ main_offset 39784) main_length), 162011#(<= (+ main_offset 39780) main_length), 162008#(<= (+ main_offset 39792) main_length), 162009#(<= (+ main_offset 39788) main_length), 162014#(<= (+ main_offset 39768) main_length), 162015#(<= (+ main_offset 39764) main_length), 162012#(<= (+ main_offset 39776) main_length), 162013#(<= (+ main_offset 39772) main_length), 162018#(<= (+ main_offset 39752) main_length), 162019#(<= (+ main_offset 39748) main_length), 162016#(<= (+ main_offset 39760) main_length), 162017#(<= (+ main_offset 39756) main_length), 162022#(<= (+ main_offset 39736) main_length), 162023#(<= (+ main_offset 39732) main_length), 162020#(<= (+ main_offset 39744) main_length), 162021#(<= (+ main_offset 39740) main_length), 162026#(<= (+ main_offset 39720) main_length), 162027#(<= (+ main_offset 39716) main_length), 162024#(<= (+ main_offset 39728) main_length), 162025#(<= (+ main_offset 39724) main_length), 162030#(<= (+ main_offset 39704) main_length), 162031#(<= (+ main_offset 39700) main_length), 162028#(<= (+ main_offset 39712) main_length), 162029#(<= (+ main_offset 39708) main_length), 162034#(<= (+ main_offset 39688) main_length), 162035#(<= (+ main_offset 39684) main_length), 162032#(<= (+ main_offset 39696) main_length), 162033#(<= (+ main_offset 39692) main_length), 162038#(<= (+ main_offset 39672) main_length), 162039#(<= (+ main_offset 39668) main_length), 162036#(<= (+ main_offset 39680) main_length), 162037#(<= (+ main_offset 39676) main_length), 162042#(<= (+ main_offset 39656) main_length), 162043#(<= (+ main_offset 39652) main_length), 162040#(<= (+ main_offset 39664) main_length), 162041#(<= (+ main_offset 39660) main_length), 162046#(<= (+ main_offset 39640) main_length), 162047#(<= (+ main_offset 39636) main_length), 162044#(<= (+ main_offset 39648) main_length), 162045#(<= (+ main_offset 39644) main_length)] [2018-07-23 13:56:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 35156 backedges. 0 proven. 35156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:56,648 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:56:56,650 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:56:56,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:56:56,652 INFO L87 Difference]: Start difference. First operand 378 states and 378 transitions. Second operand 190 states. [2018-07-23 13:56:57,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:57,139 INFO L93 Difference]: Finished difference Result 381 states and 381 transitions. [2018-07-23 13:56:57,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:56:57,140 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 377 [2018-07-23 13:56:57,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:57,140 INFO L225 Difference]: With dead ends: 381 [2018-07-23 13:56:57,140 INFO L226 Difference]: Without dead ends: 380 [2018-07-23 13:56:57,142 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:56:57,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-07-23 13:56:57,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-07-23 13:56:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-07-23 13:56:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 380 transitions. [2018-07-23 13:56:57,146 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 380 transitions. Word has length 377 [2018-07-23 13:56:57,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:57,147 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 380 transitions. [2018-07-23 13:56:57,147 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:56:57,147 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 380 transitions. [2018-07-23 13:56:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-07-23 13:56:57,148 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:57,148 INFO L357 BasicCegarLoop]: trace histogram [189, 188, 1, 1] [2018-07-23 13:56:57,149 INFO L414 AbstractCegarLoop]: === Iteration 189 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:57,149 INFO L82 PathProgramCache]: Analyzing trace with hash -485339048, now seen corresponding path program 188 times [2018-07-23 13:56:57,149 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 35532 backedges. 0 proven. 35532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:58,585 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:58,585 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:56:58,586 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:58,586 INFO L185 omatonBuilderFactory]: Interpolants [163842#(<= (+ main_offset 39304) main_length), 163843#(<= (+ main_offset 39300) main_length), 163840#(<= (+ main_offset 39312) main_length), 163841#(<= (+ main_offset 39308) main_length), 163846#(<= (+ main_offset 39288) main_length), 163847#(<= (+ main_offset 39284) main_length), 163844#(<= (+ main_offset 39296) main_length), 163845#(<= (+ main_offset 39292) main_length), 163850#(<= (+ main_offset 39272) main_length), 163851#(<= (+ main_offset 39268) main_length), 163848#(<= (+ main_offset 39280) main_length), 163849#(<= (+ main_offset 39276) main_length), 163854#(<= (+ main_offset 39256) main_length), 163855#(<= (+ main_offset 39252) main_length), 163852#(<= (+ main_offset 39264) main_length), 163853#(<= (+ main_offset 39260) main_length), 163856#(<= (+ main_offset 39248) main_length), 163666#true, 163667#false, 163670#(<= (+ main_offset 39992) main_length), 163671#(<= (+ main_offset 39988) main_length), 163668#(<= (+ main_offset 40000) main_length), 163669#(<= (+ main_offset 39996) main_length), 163674#(<= (+ main_offset 39976) main_length), 163675#(<= (+ main_offset 39972) main_length), 163672#(<= (+ main_offset 39984) main_length), 163673#(<= (+ main_offset 39980) main_length), 163678#(<= (+ main_offset 39960) main_length), 163679#(<= (+ main_offset 39956) main_length), 163676#(<= (+ main_offset 39968) main_length), 163677#(<= (+ main_offset 39964) main_length), 163682#(<= (+ main_offset 39944) main_length), 163683#(<= (+ main_offset 39940) main_length), 163680#(<= (+ main_offset 39952) main_length), 163681#(<= (+ main_offset 39948) main_length), 163686#(<= (+ main_offset 39928) main_length), 163687#(<= (+ main_offset 39924) main_length), 163684#(<= (+ main_offset 39936) main_length), 163685#(<= (+ main_offset 39932) main_length), 163690#(<= (+ main_offset 39912) main_length), 163691#(<= (+ main_offset 39908) main_length), 163688#(<= (+ main_offset 39920) main_length), 163689#(<= (+ main_offset 39916) main_length), 163694#(<= (+ main_offset 39896) main_length), 163695#(<= (+ main_offset 39892) main_length), 163692#(<= (+ main_offset 39904) main_length), 163693#(<= (+ main_offset 39900) main_length), 163698#(<= (+ main_offset 39880) main_length), 163699#(<= (+ main_offset 39876) main_length), 163696#(<= (+ main_offset 39888) main_length), 163697#(<= (+ main_offset 39884) main_length), 163702#(<= (+ main_offset 39864) main_length), 163703#(<= (+ main_offset 39860) main_length), 163700#(<= (+ main_offset 39872) main_length), 163701#(<= (+ main_offset 39868) main_length), 163706#(<= (+ main_offset 39848) main_length), 163707#(<= (+ main_offset 39844) main_length), 163704#(<= (+ main_offset 39856) main_length), 163705#(<= (+ main_offset 39852) main_length), 163710#(<= (+ main_offset 39832) main_length), 163711#(<= (+ main_offset 39828) main_length), 163708#(<= (+ main_offset 39840) main_length), 163709#(<= (+ main_offset 39836) main_length), 163714#(<= (+ main_offset 39816) main_length), 163715#(<= (+ main_offset 39812) main_length), 163712#(<= (+ main_offset 39824) main_length), 163713#(<= (+ main_offset 39820) main_length), 163718#(<= (+ main_offset 39800) main_length), 163719#(<= (+ main_offset 39796) main_length), 163716#(<= (+ main_offset 39808) main_length), 163717#(<= (+ main_offset 39804) main_length), 163722#(<= (+ main_offset 39784) main_length), 163723#(<= (+ main_offset 39780) main_length), 163720#(<= (+ main_offset 39792) main_length), 163721#(<= (+ main_offset 39788) main_length), 163726#(<= (+ main_offset 39768) main_length), 163727#(<= (+ main_offset 39764) main_length), 163724#(<= (+ main_offset 39776) main_length), 163725#(<= (+ main_offset 39772) main_length), 163730#(<= (+ main_offset 39752) main_length), 163731#(<= (+ main_offset 39748) main_length), 163728#(<= (+ main_offset 39760) main_length), 163729#(<= (+ main_offset 39756) main_length), 163734#(<= (+ main_offset 39736) main_length), 163735#(<= (+ main_offset 39732) main_length), 163732#(<= (+ main_offset 39744) main_length), 163733#(<= (+ main_offset 39740) main_length), 163738#(<= (+ main_offset 39720) main_length), 163739#(<= (+ main_offset 39716) main_length), 163736#(<= (+ main_offset 39728) main_length), 163737#(<= (+ main_offset 39724) main_length), 163742#(<= (+ main_offset 39704) main_length), 163743#(<= (+ main_offset 39700) main_length), 163740#(<= (+ main_offset 39712) main_length), 163741#(<= (+ main_offset 39708) main_length), 163746#(<= (+ main_offset 39688) main_length), 163747#(<= (+ main_offset 39684) main_length), 163744#(<= (+ main_offset 39696) main_length), 163745#(<= (+ main_offset 39692) main_length), 163750#(<= (+ main_offset 39672) main_length), 163751#(<= (+ main_offset 39668) main_length), 163748#(<= (+ main_offset 39680) main_length), 163749#(<= (+ main_offset 39676) main_length), 163754#(<= (+ main_offset 39656) main_length), 163755#(<= (+ main_offset 39652) main_length), 163752#(<= (+ main_offset 39664) main_length), 163753#(<= (+ main_offset 39660) main_length), 163758#(<= (+ main_offset 39640) main_length), 163759#(<= (+ main_offset 39636) main_length), 163756#(<= (+ main_offset 39648) main_length), 163757#(<= (+ main_offset 39644) main_length), 163762#(<= (+ main_offset 39624) main_length), 163763#(<= (+ main_offset 39620) main_length), 163760#(<= (+ main_offset 39632) main_length), 163761#(<= (+ main_offset 39628) main_length), 163766#(<= (+ main_offset 39608) main_length), 163767#(<= (+ main_offset 39604) main_length), 163764#(<= (+ main_offset 39616) main_length), 163765#(<= (+ main_offset 39612) main_length), 163770#(<= (+ main_offset 39592) main_length), 163771#(<= (+ main_offset 39588) main_length), 163768#(<= (+ main_offset 39600) main_length), 163769#(<= (+ main_offset 39596) main_length), 163774#(<= (+ main_offset 39576) main_length), 163775#(<= (+ main_offset 39572) main_length), 163772#(<= (+ main_offset 39584) main_length), 163773#(<= (+ main_offset 39580) main_length), 163778#(<= (+ main_offset 39560) main_length), 163779#(<= (+ main_offset 39556) main_length), 163776#(<= (+ main_offset 39568) main_length), 163777#(<= (+ main_offset 39564) main_length), 163782#(<= (+ main_offset 39544) main_length), 163783#(<= (+ main_offset 39540) main_length), 163780#(<= (+ main_offset 39552) main_length), 163781#(<= (+ main_offset 39548) main_length), 163786#(<= (+ main_offset 39528) main_length), 163787#(<= (+ main_offset 39524) main_length), 163784#(<= (+ main_offset 39536) main_length), 163785#(<= (+ main_offset 39532) main_length), 163790#(<= (+ main_offset 39512) main_length), 163791#(<= (+ main_offset 39508) main_length), 163788#(<= (+ main_offset 39520) main_length), 163789#(<= (+ main_offset 39516) main_length), 163794#(<= (+ main_offset 39496) main_length), 163795#(<= (+ main_offset 39492) main_length), 163792#(<= (+ main_offset 39504) main_length), 163793#(<= (+ main_offset 39500) main_length), 163798#(<= (+ main_offset 39480) main_length), 163799#(<= (+ main_offset 39476) main_length), 163796#(<= (+ main_offset 39488) main_length), 163797#(<= (+ main_offset 39484) main_length), 163802#(<= (+ main_offset 39464) main_length), 163803#(<= (+ main_offset 39460) main_length), 163800#(<= (+ main_offset 39472) main_length), 163801#(<= (+ main_offset 39468) main_length), 163806#(<= (+ main_offset 39448) main_length), 163807#(<= (+ main_offset 39444) main_length), 163804#(<= (+ main_offset 39456) main_length), 163805#(<= (+ main_offset 39452) main_length), 163810#(<= (+ main_offset 39432) main_length), 163811#(<= (+ main_offset 39428) main_length), 163808#(<= (+ main_offset 39440) main_length), 163809#(<= (+ main_offset 39436) main_length), 163814#(<= (+ main_offset 39416) main_length), 163815#(<= (+ main_offset 39412) main_length), 163812#(<= (+ main_offset 39424) main_length), 163813#(<= (+ main_offset 39420) main_length), 163818#(<= (+ main_offset 39400) main_length), 163819#(<= (+ main_offset 39396) main_length), 163816#(<= (+ main_offset 39408) main_length), 163817#(<= (+ main_offset 39404) main_length), 163822#(<= (+ main_offset 39384) main_length), 163823#(<= (+ main_offset 39380) main_length), 163820#(<= (+ main_offset 39392) main_length), 163821#(<= (+ main_offset 39388) main_length), 163826#(<= (+ main_offset 39368) main_length), 163827#(<= (+ main_offset 39364) main_length), 163824#(<= (+ main_offset 39376) main_length), 163825#(<= (+ main_offset 39372) main_length), 163830#(<= (+ main_offset 39352) main_length), 163831#(<= (+ main_offset 39348) main_length), 163828#(<= (+ main_offset 39360) main_length), 163829#(<= (+ main_offset 39356) main_length), 163834#(<= (+ main_offset 39336) main_length), 163835#(<= (+ main_offset 39332) main_length), 163832#(<= (+ main_offset 39344) main_length), 163833#(<= (+ main_offset 39340) main_length), 163838#(<= (+ main_offset 39320) main_length), 163839#(<= (+ main_offset 39316) main_length), 163836#(<= (+ main_offset 39328) main_length), 163837#(<= (+ main_offset 39324) main_length)] [2018-07-23 13:56:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 35532 backedges. 0 proven. 35532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:58,588 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:56:58,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:56:58,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:56:58,590 INFO L87 Difference]: Start difference. First operand 380 states and 380 transitions. Second operand 191 states. [2018-07-23 13:56:59,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:59,700 INFO L93 Difference]: Finished difference Result 383 states and 383 transitions. [2018-07-23 13:56:59,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:56:59,700 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 379 [2018-07-23 13:56:59,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:59,700 INFO L225 Difference]: With dead ends: 383 [2018-07-23 13:56:59,700 INFO L226 Difference]: Without dead ends: 382 [2018-07-23 13:56:59,701 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:56:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-07-23 13:56:59,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-07-23 13:56:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-07-23 13:56:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 382 transitions. [2018-07-23 13:56:59,706 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 382 transitions. Word has length 379 [2018-07-23 13:56:59,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:59,706 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 382 transitions. [2018-07-23 13:56:59,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:56:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 382 transitions. [2018-07-23 13:56:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-07-23 13:56:59,707 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:59,707 INFO L357 BasicCegarLoop]: trace histogram [190, 189, 1, 1] [2018-07-23 13:56:59,707 INFO L414 AbstractCegarLoop]: === Iteration 190 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:59,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1740611226, now seen corresponding path program 189 times [2018-07-23 13:56:59,707 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 35910 backedges. 0 proven. 35910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:01,076 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:01,076 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:57:01,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:01,077 INFO L185 omatonBuilderFactory]: Interpolants [165387#true, 165390#(<= (+ main_offset 39996) main_length), 165391#(<= (+ main_offset 39992) main_length), 165388#false, 165389#(<= (+ main_offset 40000) main_length), 165394#(<= (+ main_offset 39980) main_length), 165395#(<= (+ main_offset 39976) main_length), 165392#(<= (+ main_offset 39988) main_length), 165393#(<= (+ main_offset 39984) main_length), 165398#(<= (+ main_offset 39964) main_length), 165399#(<= (+ main_offset 39960) main_length), 165396#(<= (+ main_offset 39972) main_length), 165397#(<= (+ main_offset 39968) main_length), 165402#(<= (+ main_offset 39948) main_length), 165403#(<= (+ main_offset 39944) main_length), 165400#(<= (+ main_offset 39956) main_length), 165401#(<= (+ main_offset 39952) main_length), 165406#(<= (+ main_offset 39932) main_length), 165407#(<= (+ main_offset 39928) main_length), 165404#(<= (+ main_offset 39940) main_length), 165405#(<= (+ main_offset 39936) main_length), 165410#(<= (+ main_offset 39916) main_length), 165411#(<= (+ main_offset 39912) main_length), 165408#(<= (+ main_offset 39924) main_length), 165409#(<= (+ main_offset 39920) main_length), 165414#(<= (+ main_offset 39900) main_length), 165415#(<= (+ main_offset 39896) main_length), 165412#(<= (+ main_offset 39908) main_length), 165413#(<= (+ main_offset 39904) main_length), 165418#(<= (+ main_offset 39884) main_length), 165419#(<= (+ main_offset 39880) main_length), 165416#(<= (+ main_offset 39892) main_length), 165417#(<= (+ main_offset 39888) main_length), 165422#(<= (+ main_offset 39868) main_length), 165423#(<= (+ main_offset 39864) main_length), 165420#(<= (+ main_offset 39876) main_length), 165421#(<= (+ main_offset 39872) main_length), 165426#(<= (+ main_offset 39852) main_length), 165427#(<= (+ main_offset 39848) main_length), 165424#(<= (+ main_offset 39860) main_length), 165425#(<= (+ main_offset 39856) main_length), 165430#(<= (+ main_offset 39836) main_length), 165431#(<= (+ main_offset 39832) main_length), 165428#(<= (+ main_offset 39844) main_length), 165429#(<= (+ main_offset 39840) main_length), 165434#(<= (+ main_offset 39820) main_length), 165435#(<= (+ main_offset 39816) main_length), 165432#(<= (+ main_offset 39828) main_length), 165433#(<= (+ main_offset 39824) main_length), 165438#(<= (+ main_offset 39804) main_length), 165439#(<= (+ main_offset 39800) main_length), 165436#(<= (+ main_offset 39812) main_length), 165437#(<= (+ main_offset 39808) main_length), 165442#(<= (+ main_offset 39788) main_length), 165443#(<= (+ main_offset 39784) main_length), 165440#(<= (+ main_offset 39796) main_length), 165441#(<= (+ main_offset 39792) main_length), 165446#(<= (+ main_offset 39772) main_length), 165447#(<= (+ main_offset 39768) main_length), 165444#(<= (+ main_offset 39780) main_length), 165445#(<= (+ main_offset 39776) main_length), 165450#(<= (+ main_offset 39756) main_length), 165451#(<= (+ main_offset 39752) main_length), 165448#(<= (+ main_offset 39764) main_length), 165449#(<= (+ main_offset 39760) main_length), 165454#(<= (+ main_offset 39740) main_length), 165455#(<= (+ main_offset 39736) main_length), 165452#(<= (+ main_offset 39748) main_length), 165453#(<= (+ main_offset 39744) main_length), 165458#(<= (+ main_offset 39724) main_length), 165459#(<= (+ main_offset 39720) main_length), 165456#(<= (+ main_offset 39732) main_length), 165457#(<= (+ main_offset 39728) main_length), 165462#(<= (+ main_offset 39708) main_length), 165463#(<= (+ main_offset 39704) main_length), 165460#(<= (+ main_offset 39716) main_length), 165461#(<= (+ main_offset 39712) main_length), 165466#(<= (+ main_offset 39692) main_length), 165467#(<= (+ main_offset 39688) main_length), 165464#(<= (+ main_offset 39700) main_length), 165465#(<= (+ main_offset 39696) main_length), 165470#(<= (+ main_offset 39676) main_length), 165471#(<= (+ main_offset 39672) main_length), 165468#(<= (+ main_offset 39684) main_length), 165469#(<= (+ main_offset 39680) main_length), 165474#(<= (+ main_offset 39660) main_length), 165475#(<= (+ main_offset 39656) main_length), 165472#(<= (+ main_offset 39668) main_length), 165473#(<= (+ main_offset 39664) main_length), 165478#(<= (+ main_offset 39644) main_length), 165479#(<= (+ main_offset 39640) main_length), 165476#(<= (+ main_offset 39652) main_length), 165477#(<= (+ main_offset 39648) main_length), 165482#(<= (+ main_offset 39628) main_length), 165483#(<= (+ main_offset 39624) main_length), 165480#(<= (+ main_offset 39636) main_length), 165481#(<= (+ main_offset 39632) main_length), 165486#(<= (+ main_offset 39612) main_length), 165487#(<= (+ main_offset 39608) main_length), 165484#(<= (+ main_offset 39620) main_length), 165485#(<= (+ main_offset 39616) main_length), 165490#(<= (+ main_offset 39596) main_length), 165491#(<= (+ main_offset 39592) main_length), 165488#(<= (+ main_offset 39604) main_length), 165489#(<= (+ main_offset 39600) main_length), 165494#(<= (+ main_offset 39580) main_length), 165495#(<= (+ main_offset 39576) main_length), 165492#(<= (+ main_offset 39588) main_length), 165493#(<= (+ main_offset 39584) main_length), 165498#(<= (+ main_offset 39564) main_length), 165499#(<= (+ main_offset 39560) main_length), 165496#(<= (+ main_offset 39572) main_length), 165497#(<= (+ main_offset 39568) main_length), 165502#(<= (+ main_offset 39548) main_length), 165503#(<= (+ main_offset 39544) main_length), 165500#(<= (+ main_offset 39556) main_length), 165501#(<= (+ main_offset 39552) main_length), 165506#(<= (+ main_offset 39532) main_length), 165507#(<= (+ main_offset 39528) main_length), 165504#(<= (+ main_offset 39540) main_length), 165505#(<= (+ main_offset 39536) main_length), 165510#(<= (+ main_offset 39516) main_length), 165511#(<= (+ main_offset 39512) main_length), 165508#(<= (+ main_offset 39524) main_length), 165509#(<= (+ main_offset 39520) main_length), 165514#(<= (+ main_offset 39500) main_length), 165515#(<= (+ main_offset 39496) main_length), 165512#(<= (+ main_offset 39508) main_length), 165513#(<= (+ main_offset 39504) main_length), 165518#(<= (+ main_offset 39484) main_length), 165519#(<= (+ main_offset 39480) main_length), 165516#(<= (+ main_offset 39492) main_length), 165517#(<= (+ main_offset 39488) main_length), 165522#(<= (+ main_offset 39468) main_length), 165523#(<= (+ main_offset 39464) main_length), 165520#(<= (+ main_offset 39476) main_length), 165521#(<= (+ main_offset 39472) main_length), 165526#(<= (+ main_offset 39452) main_length), 165527#(<= (+ main_offset 39448) main_length), 165524#(<= (+ main_offset 39460) main_length), 165525#(<= (+ main_offset 39456) main_length), 165530#(<= (+ main_offset 39436) main_length), 165531#(<= (+ main_offset 39432) main_length), 165528#(<= (+ main_offset 39444) main_length), 165529#(<= (+ main_offset 39440) main_length), 165534#(<= (+ main_offset 39420) main_length), 165535#(<= (+ main_offset 39416) main_length), 165532#(<= (+ main_offset 39428) main_length), 165533#(<= (+ main_offset 39424) main_length), 165538#(<= (+ main_offset 39404) main_length), 165539#(<= (+ main_offset 39400) main_length), 165536#(<= (+ main_offset 39412) main_length), 165537#(<= (+ main_offset 39408) main_length), 165542#(<= (+ main_offset 39388) main_length), 165543#(<= (+ main_offset 39384) main_length), 165540#(<= (+ main_offset 39396) main_length), 165541#(<= (+ main_offset 39392) main_length), 165546#(<= (+ main_offset 39372) main_length), 165547#(<= (+ main_offset 39368) main_length), 165544#(<= (+ main_offset 39380) main_length), 165545#(<= (+ main_offset 39376) main_length), 165550#(<= (+ main_offset 39356) main_length), 165551#(<= (+ main_offset 39352) main_length), 165548#(<= (+ main_offset 39364) main_length), 165549#(<= (+ main_offset 39360) main_length), 165554#(<= (+ main_offset 39340) main_length), 165555#(<= (+ main_offset 39336) main_length), 165552#(<= (+ main_offset 39348) main_length), 165553#(<= (+ main_offset 39344) main_length), 165558#(<= (+ main_offset 39324) main_length), 165559#(<= (+ main_offset 39320) main_length), 165556#(<= (+ main_offset 39332) main_length), 165557#(<= (+ main_offset 39328) main_length), 165562#(<= (+ main_offset 39308) main_length), 165563#(<= (+ main_offset 39304) main_length), 165560#(<= (+ main_offset 39316) main_length), 165561#(<= (+ main_offset 39312) main_length), 165566#(<= (+ main_offset 39292) main_length), 165567#(<= (+ main_offset 39288) main_length), 165564#(<= (+ main_offset 39300) main_length), 165565#(<= (+ main_offset 39296) main_length), 165570#(<= (+ main_offset 39276) main_length), 165571#(<= (+ main_offset 39272) main_length), 165568#(<= (+ main_offset 39284) main_length), 165569#(<= (+ main_offset 39280) main_length), 165574#(<= (+ main_offset 39260) main_length), 165575#(<= (+ main_offset 39256) main_length), 165572#(<= (+ main_offset 39268) main_length), 165573#(<= (+ main_offset 39264) main_length), 165578#(<= (+ main_offset 39244) main_length), 165576#(<= (+ main_offset 39252) main_length), 165577#(<= (+ main_offset 39248) main_length)] [2018-07-23 13:57:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 35910 backedges. 0 proven. 35910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:01,079 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:57:01,081 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:57:01,082 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:57:01,082 INFO L87 Difference]: Start difference. First operand 382 states and 382 transitions. Second operand 192 states. [2018-07-23 13:57:02,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:02,759 INFO L93 Difference]: Finished difference Result 385 states and 385 transitions. [2018-07-23 13:57:02,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:57:02,760 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 381 [2018-07-23 13:57:02,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:02,760 INFO L225 Difference]: With dead ends: 385 [2018-07-23 13:57:02,760 INFO L226 Difference]: Without dead ends: 384 [2018-07-23 13:57:02,762 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:57:02,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-07-23 13:57:02,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2018-07-23 13:57:02,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-07-23 13:57:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 384 transitions. [2018-07-23 13:57:02,769 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 384 transitions. Word has length 381 [2018-07-23 13:57:02,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:02,769 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 384 transitions. [2018-07-23 13:57:02,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:57:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 384 transitions. [2018-07-23 13:57:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2018-07-23 13:57:02,771 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:02,771 INFO L357 BasicCegarLoop]: trace histogram [191, 190, 1, 1] [2018-07-23 13:57:02,771 INFO L414 AbstractCegarLoop]: === Iteration 191 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:02,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1985111132, now seen corresponding path program 190 times [2018-07-23 13:57:02,772 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:04,150 INFO L134 CoverageAnalysis]: Checked inductivity of 36290 backedges. 0 proven. 36290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:04,150 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:04,151 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:57:04,151 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:04,151 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 13:57:04,151 INFO L185 omatonBuilderFactory]: Interpolants [167118#false, 167119#(<= (+ main_offset 40000) main_length), 167117#true, 167122#(<= (+ main_offset 39988) main_length), 167123#(<= (+ main_offset 39984) main_length), 167120#(<= (+ main_offset 39996) main_length), 167121#(<= (+ main_offset 39992) main_length), 167126#(<= (+ main_offset 39972) main_length), 167127#(<= (+ main_offset 39968) main_length), 167124#(<= (+ main_offset 39980) main_length), 167125#(<= (+ main_offset 39976) main_length), 167130#(<= (+ main_offset 39956) main_length), 167131#(<= (+ main_offset 39952) main_length), 167128#(<= (+ main_offset 39964) main_length), 167129#(<= (+ main_offset 39960) main_length), 167134#(<= (+ main_offset 39940) main_length), 167135#(<= (+ main_offset 39936) main_length), 167132#(<= (+ main_offset 39948) main_length), 167133#(<= (+ main_offset 39944) main_length), 167138#(<= (+ main_offset 39924) main_length), 167139#(<= (+ main_offset 39920) main_length), 167136#(<= (+ main_offset 39932) main_length), 167137#(<= (+ main_offset 39928) main_length), 167142#(<= (+ main_offset 39908) main_length), 167143#(<= (+ main_offset 39904) main_length), 167140#(<= (+ main_offset 39916) main_length), 167141#(<= (+ main_offset 39912) main_length), 167146#(<= (+ main_offset 39892) main_length), 167147#(<= (+ main_offset 39888) main_length), 167144#(<= (+ main_offset 39900) main_length), 167145#(<= (+ main_offset 39896) main_length), 167150#(<= (+ main_offset 39876) main_length), 167151#(<= (+ main_offset 39872) main_length), 167148#(<= (+ main_offset 39884) main_length), 167149#(<= (+ main_offset 39880) main_length), 167154#(<= (+ main_offset 39860) main_length), 167155#(<= (+ main_offset 39856) main_length), 167152#(<= (+ main_offset 39868) main_length), 167153#(<= (+ main_offset 39864) main_length), 167158#(<= (+ main_offset 39844) main_length), 167159#(<= (+ main_offset 39840) main_length), 167156#(<= (+ main_offset 39852) main_length), 167157#(<= (+ main_offset 39848) main_length), 167162#(<= (+ main_offset 39828) main_length), 167163#(<= (+ main_offset 39824) main_length), 167160#(<= (+ main_offset 39836) main_length), 167161#(<= (+ main_offset 39832) main_length), 167166#(<= (+ main_offset 39812) main_length), 167167#(<= (+ main_offset 39808) main_length), 167164#(<= (+ main_offset 39820) main_length), 167165#(<= (+ main_offset 39816) main_length), 167170#(<= (+ main_offset 39796) main_length), 167171#(<= (+ main_offset 39792) main_length), 167168#(<= (+ main_offset 39804) main_length), 167169#(<= (+ main_offset 39800) main_length), 167174#(<= (+ main_offset 39780) main_length), 167175#(<= (+ main_offset 39776) main_length), 167172#(<= (+ main_offset 39788) main_length), 167173#(<= (+ main_offset 39784) main_length), 167178#(<= (+ main_offset 39764) main_length), 167179#(<= (+ main_offset 39760) main_length), 167176#(<= (+ main_offset 39772) main_length), 167177#(<= (+ main_offset 39768) main_length), 167182#(<= (+ main_offset 39748) main_length), 167183#(<= (+ main_offset 39744) main_length), 167180#(<= (+ main_offset 39756) main_length), 167181#(<= (+ main_offset 39752) main_length), 167186#(<= (+ main_offset 39732) main_length), 167187#(<= (+ main_offset 39728) main_length), 167184#(<= (+ main_offset 39740) main_length), 167185#(<= (+ main_offset 39736) main_length), 167190#(<= (+ main_offset 39716) main_length), 167191#(<= (+ main_offset 39712) main_length), 167188#(<= (+ main_offset 39724) main_length), 167189#(<= (+ main_offset 39720) main_length), 167194#(<= (+ main_offset 39700) main_length), 167195#(<= (+ main_offset 39696) main_length), 167192#(<= (+ main_offset 39708) main_length), 167193#(<= (+ main_offset 39704) main_length), 167198#(<= (+ main_offset 39684) main_length), 167199#(<= (+ main_offset 39680) main_length), 167196#(<= (+ main_offset 39692) main_length), 167197#(<= (+ main_offset 39688) main_length), 167202#(<= (+ main_offset 39668) main_length), 167203#(<= (+ main_offset 39664) main_length), 167200#(<= (+ main_offset 39676) main_length), 167201#(<= (+ main_offset 39672) main_length), 167206#(<= (+ main_offset 39652) main_length), 167207#(<= (+ main_offset 39648) main_length), 167204#(<= (+ main_offset 39660) main_length), 167205#(<= (+ main_offset 39656) main_length), 167210#(<= (+ main_offset 39636) main_length), 167211#(<= (+ main_offset 39632) main_length), 167208#(<= (+ main_offset 39644) main_length), 167209#(<= (+ main_offset 39640) main_length), 167214#(<= (+ main_offset 39620) main_length), 167215#(<= (+ main_offset 39616) main_length), 167212#(<= (+ main_offset 39628) main_length), 167213#(<= (+ main_offset 39624) main_length), 167218#(<= (+ main_offset 39604) main_length), 167219#(<= (+ main_offset 39600) main_length), 167216#(<= (+ main_offset 39612) main_length), 167217#(<= (+ main_offset 39608) main_length), 167222#(<= (+ main_offset 39588) main_length), 167223#(<= (+ main_offset 39584) main_length), 167220#(<= (+ main_offset 39596) main_length), 167221#(<= (+ main_offset 39592) main_length), 167226#(<= (+ main_offset 39572) main_length), 167227#(<= (+ main_offset 39568) main_length), 167224#(<= (+ main_offset 39580) main_length), 167225#(<= (+ main_offset 39576) main_length), 167230#(<= (+ main_offset 39556) main_length), 167231#(<= (+ main_offset 39552) main_length), 167228#(<= (+ main_offset 39564) main_length), 167229#(<= (+ main_offset 39560) main_length), 167234#(<= (+ main_offset 39540) main_length), 167235#(<= (+ main_offset 39536) main_length), 167232#(<= (+ main_offset 39548) main_length), 167233#(<= (+ main_offset 39544) main_length), 167238#(<= (+ main_offset 39524) main_length), 167239#(<= (+ main_offset 39520) main_length), 167236#(<= (+ main_offset 39532) main_length), 167237#(<= (+ main_offset 39528) main_length), 167242#(<= (+ main_offset 39508) main_length), 167243#(<= (+ main_offset 39504) main_length), 167240#(<= (+ main_offset 39516) main_length), 167241#(<= (+ main_offset 39512) main_length), 167246#(<= (+ main_offset 39492) main_length), 167247#(<= (+ main_offset 39488) main_length), 167244#(<= (+ main_offset 39500) main_length), 167245#(<= (+ main_offset 39496) main_length), 167250#(<= (+ main_offset 39476) main_length), 167251#(<= (+ main_offset 39472) main_length), 167248#(<= (+ main_offset 39484) main_length), 167249#(<= (+ main_offset 39480) main_length), 167254#(<= (+ main_offset 39460) main_length), 167255#(<= (+ main_offset 39456) main_length), 167252#(<= (+ main_offset 39468) main_length), 167253#(<= (+ main_offset 39464) main_length), 167258#(<= (+ main_offset 39444) main_length), 167259#(<= (+ main_offset 39440) main_length), 167256#(<= (+ main_offset 39452) main_length), 167257#(<= (+ main_offset 39448) main_length), 167262#(<= (+ main_offset 39428) main_length), 167263#(<= (+ main_offset 39424) main_length), 167260#(<= (+ main_offset 39436) main_length), 167261#(<= (+ main_offset 39432) main_length), 167266#(<= (+ main_offset 39412) main_length), 167267#(<= (+ main_offset 39408) main_length), 167264#(<= (+ main_offset 39420) main_length), 167265#(<= (+ main_offset 39416) main_length), 167270#(<= (+ main_offset 39396) main_length), 167271#(<= (+ main_offset 39392) main_length), 167268#(<= (+ main_offset 39404) main_length), 167269#(<= (+ main_offset 39400) main_length), 167274#(<= (+ main_offset 39380) main_length), 167275#(<= (+ main_offset 39376) main_length), 167272#(<= (+ main_offset 39388) main_length), 167273#(<= (+ main_offset 39384) main_length), 167278#(<= (+ main_offset 39364) main_length), 167279#(<= (+ main_offset 39360) main_length), 167276#(<= (+ main_offset 39372) main_length), 167277#(<= (+ main_offset 39368) main_length), 167282#(<= (+ main_offset 39348) main_length), 167283#(<= (+ main_offset 39344) main_length), 167280#(<= (+ main_offset 39356) main_length), 167281#(<= (+ main_offset 39352) main_length), 167286#(<= (+ main_offset 39332) main_length), 167287#(<= (+ main_offset 39328) main_length), 167284#(<= (+ main_offset 39340) main_length), 167285#(<= (+ main_offset 39336) main_length), 167290#(<= (+ main_offset 39316) main_length), 167291#(<= (+ main_offset 39312) main_length), 167288#(<= (+ main_offset 39324) main_length), 167289#(<= (+ main_offset 39320) main_length), 167294#(<= (+ main_offset 39300) main_length), 167295#(<= (+ main_offset 39296) main_length), 167292#(<= (+ main_offset 39308) main_length), 167293#(<= (+ main_offset 39304) main_length), 167298#(<= (+ main_offset 39284) main_length), 167299#(<= (+ main_offset 39280) main_length), 167296#(<= (+ main_offset 39292) main_length), 167297#(<= (+ main_offset 39288) main_length), 167302#(<= (+ main_offset 39268) main_length), 167303#(<= (+ main_offset 39264) main_length), 167300#(<= (+ main_offset 39276) main_length), 167301#(<= (+ main_offset 39272) main_length), 167306#(<= (+ main_offset 39252) main_length), 167307#(<= (+ main_offset 39248) main_length), 167304#(<= (+ main_offset 39260) main_length), 167305#(<= (+ main_offset 39256) main_length), 167308#(<= (+ main_offset 39244) main_length), 167309#(<= (+ main_offset 39240) main_length)] [2018-07-23 13:57:04,153 INFO L134 CoverageAnalysis]: Checked inductivity of 36290 backedges. 0 proven. 36290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:04,154 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:57:04,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:57:04,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:57:04,158 INFO L87 Difference]: Start difference. First operand 384 states and 384 transitions. Second operand 193 states. [2018-07-23 13:57:05,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:05,261 INFO L93 Difference]: Finished difference Result 387 states and 387 transitions. [2018-07-23 13:57:05,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:57:05,261 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 383 [2018-07-23 13:57:05,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:05,262 INFO L225 Difference]: With dead ends: 387 [2018-07-23 13:57:05,262 INFO L226 Difference]: Without dead ends: 386 [2018-07-23 13:57:05,263 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:57:05,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2018-07-23 13:57:05,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2018-07-23 13:57:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2018-07-23 13:57:05,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 386 transitions. [2018-07-23 13:57:05,267 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 386 transitions. Word has length 383 [2018-07-23 13:57:05,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:05,268 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 386 transitions. [2018-07-23 13:57:05,268 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:57:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 386 transitions. [2018-07-23 13:57:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-07-23 13:57:05,269 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:05,269 INFO L357 BasicCegarLoop]: trace histogram [192, 191, 1, 1] [2018-07-23 13:57:05,270 INFO L414 AbstractCegarLoop]: === Iteration 192 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:05,270 INFO L82 PathProgramCache]: Analyzing trace with hash 726319518, now seen corresponding path program 191 times [2018-07-23 13:57:05,270 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 36672 backedges. 0 proven. 36672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:06,690 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:06,690 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:57:06,690 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:06,691 INFO L185 omatonBuilderFactory]: Interpolants [168962#(<= (+ main_offset 39584) main_length), 168963#(<= (+ main_offset 39580) main_length), 168960#(<= (+ main_offset 39592) main_length), 168961#(<= (+ main_offset 39588) main_length), 168966#(<= (+ main_offset 39568) main_length), 168967#(<= (+ main_offset 39564) main_length), 168964#(<= (+ main_offset 39576) main_length), 168965#(<= (+ main_offset 39572) main_length), 168970#(<= (+ main_offset 39552) main_length), 168971#(<= (+ main_offset 39548) main_length), 168968#(<= (+ main_offset 39560) main_length), 168969#(<= (+ main_offset 39556) main_length), 168974#(<= (+ main_offset 39536) main_length), 168975#(<= (+ main_offset 39532) main_length), 168972#(<= (+ main_offset 39544) main_length), 168973#(<= (+ main_offset 39540) main_length), 168978#(<= (+ main_offset 39520) main_length), 168979#(<= (+ main_offset 39516) main_length), 168976#(<= (+ main_offset 39528) main_length), 168977#(<= (+ main_offset 39524) main_length), 168982#(<= (+ main_offset 39504) main_length), 168983#(<= (+ main_offset 39500) main_length), 168980#(<= (+ main_offset 39512) main_length), 168981#(<= (+ main_offset 39508) main_length), 168986#(<= (+ main_offset 39488) main_length), 168987#(<= (+ main_offset 39484) main_length), 168984#(<= (+ main_offset 39496) main_length), 168985#(<= (+ main_offset 39492) main_length), 168990#(<= (+ main_offset 39472) main_length), 168991#(<= (+ main_offset 39468) main_length), 168988#(<= (+ main_offset 39480) main_length), 168989#(<= (+ main_offset 39476) main_length), 168994#(<= (+ main_offset 39456) main_length), 168995#(<= (+ main_offset 39452) main_length), 168992#(<= (+ main_offset 39464) main_length), 168993#(<= (+ main_offset 39460) main_length), 168998#(<= (+ main_offset 39440) main_length), 168999#(<= (+ main_offset 39436) main_length), 168996#(<= (+ main_offset 39448) main_length), 168997#(<= (+ main_offset 39444) main_length), 169002#(<= (+ main_offset 39424) main_length), 169003#(<= (+ main_offset 39420) main_length), 169000#(<= (+ main_offset 39432) main_length), 169001#(<= (+ main_offset 39428) main_length), 169006#(<= (+ main_offset 39408) main_length), 169007#(<= (+ main_offset 39404) main_length), 169004#(<= (+ main_offset 39416) main_length), 169005#(<= (+ main_offset 39412) main_length), 169010#(<= (+ main_offset 39392) main_length), 169011#(<= (+ main_offset 39388) main_length), 169008#(<= (+ main_offset 39400) main_length), 169009#(<= (+ main_offset 39396) main_length), 169014#(<= (+ main_offset 39376) main_length), 169015#(<= (+ main_offset 39372) main_length), 169012#(<= (+ main_offset 39384) main_length), 169013#(<= (+ main_offset 39380) main_length), 169018#(<= (+ main_offset 39360) main_length), 169019#(<= (+ main_offset 39356) main_length), 169016#(<= (+ main_offset 39368) main_length), 169017#(<= (+ main_offset 39364) main_length), 169022#(<= (+ main_offset 39344) main_length), 169023#(<= (+ main_offset 39340) main_length), 169020#(<= (+ main_offset 39352) main_length), 169021#(<= (+ main_offset 39348) main_length), 169026#(<= (+ main_offset 39328) main_length), 169027#(<= (+ main_offset 39324) main_length), 169024#(<= (+ main_offset 39336) main_length), 169025#(<= (+ main_offset 39332) main_length), 169030#(<= (+ main_offset 39312) main_length), 169031#(<= (+ main_offset 39308) main_length), 169028#(<= (+ main_offset 39320) main_length), 169029#(<= (+ main_offset 39316) main_length), 169034#(<= (+ main_offset 39296) main_length), 169035#(<= (+ main_offset 39292) main_length), 169032#(<= (+ main_offset 39304) main_length), 169033#(<= (+ main_offset 39300) main_length), 169038#(<= (+ main_offset 39280) main_length), 169039#(<= (+ main_offset 39276) main_length), 169036#(<= (+ main_offset 39288) main_length), 169037#(<= (+ main_offset 39284) main_length), 169042#(<= (+ main_offset 39264) main_length), 169043#(<= (+ main_offset 39260) main_length), 169040#(<= (+ main_offset 39272) main_length), 169041#(<= (+ main_offset 39268) main_length), 169046#(<= (+ main_offset 39248) main_length), 169047#(<= (+ main_offset 39244) main_length), 169044#(<= (+ main_offset 39256) main_length), 169045#(<= (+ main_offset 39252) main_length), 169048#(<= (+ main_offset 39240) main_length), 169049#(<= (+ main_offset 39236) main_length), 168858#(<= (+ main_offset 40000) main_length), 168859#(<= (+ main_offset 39996) main_length), 168856#true, 168857#false, 168862#(<= (+ main_offset 39984) main_length), 168863#(<= (+ main_offset 39980) main_length), 168860#(<= (+ main_offset 39992) main_length), 168861#(<= (+ main_offset 39988) main_length), 168866#(<= (+ main_offset 39968) main_length), 168867#(<= (+ main_offset 39964) main_length), 168864#(<= (+ main_offset 39976) main_length), 168865#(<= (+ main_offset 39972) main_length), 168870#(<= (+ main_offset 39952) main_length), 168871#(<= (+ main_offset 39948) main_length), 168868#(<= (+ main_offset 39960) main_length), 168869#(<= (+ main_offset 39956) main_length), 168874#(<= (+ main_offset 39936) main_length), 168875#(<= (+ main_offset 39932) main_length), 168872#(<= (+ main_offset 39944) main_length), 168873#(<= (+ main_offset 39940) main_length), 168878#(<= (+ main_offset 39920) main_length), 168879#(<= (+ main_offset 39916) main_length), 168876#(<= (+ main_offset 39928) main_length), 168877#(<= (+ main_offset 39924) main_length), 168882#(<= (+ main_offset 39904) main_length), 168883#(<= (+ main_offset 39900) main_length), 168880#(<= (+ main_offset 39912) main_length), 168881#(<= (+ main_offset 39908) main_length), 168886#(<= (+ main_offset 39888) main_length), 168887#(<= (+ main_offset 39884) main_length), 168884#(<= (+ main_offset 39896) main_length), 168885#(<= (+ main_offset 39892) main_length), 168890#(<= (+ main_offset 39872) main_length), 168891#(<= (+ main_offset 39868) main_length), 168888#(<= (+ main_offset 39880) main_length), 168889#(<= (+ main_offset 39876) main_length), 168894#(<= (+ main_offset 39856) main_length), 168895#(<= (+ main_offset 39852) main_length), 168892#(<= (+ main_offset 39864) main_length), 168893#(<= (+ main_offset 39860) main_length), 168898#(<= (+ main_offset 39840) main_length), 168899#(<= (+ main_offset 39836) main_length), 168896#(<= (+ main_offset 39848) main_length), 168897#(<= (+ main_offset 39844) main_length), 168902#(<= (+ main_offset 39824) main_length), 168903#(<= (+ main_offset 39820) main_length), 168900#(<= (+ main_offset 39832) main_length), 168901#(<= (+ main_offset 39828) main_length), 168906#(<= (+ main_offset 39808) main_length), 168907#(<= (+ main_offset 39804) main_length), 168904#(<= (+ main_offset 39816) main_length), 168905#(<= (+ main_offset 39812) main_length), 168910#(<= (+ main_offset 39792) main_length), 168911#(<= (+ main_offset 39788) main_length), 168908#(<= (+ main_offset 39800) main_length), 168909#(<= (+ main_offset 39796) main_length), 168914#(<= (+ main_offset 39776) main_length), 168915#(<= (+ main_offset 39772) main_length), 168912#(<= (+ main_offset 39784) main_length), 168913#(<= (+ main_offset 39780) main_length), 168918#(<= (+ main_offset 39760) main_length), 168919#(<= (+ main_offset 39756) main_length), 168916#(<= (+ main_offset 39768) main_length), 168917#(<= (+ main_offset 39764) main_length), 168922#(<= (+ main_offset 39744) main_length), 168923#(<= (+ main_offset 39740) main_length), 168920#(<= (+ main_offset 39752) main_length), 168921#(<= (+ main_offset 39748) main_length), 168926#(<= (+ main_offset 39728) main_length), 168927#(<= (+ main_offset 39724) main_length), 168924#(<= (+ main_offset 39736) main_length), 168925#(<= (+ main_offset 39732) main_length), 168930#(<= (+ main_offset 39712) main_length), 168931#(<= (+ main_offset 39708) main_length), 168928#(<= (+ main_offset 39720) main_length), 168929#(<= (+ main_offset 39716) main_length), 168934#(<= (+ main_offset 39696) main_length), 168935#(<= (+ main_offset 39692) main_length), 168932#(<= (+ main_offset 39704) main_length), 168933#(<= (+ main_offset 39700) main_length), 168938#(<= (+ main_offset 39680) main_length), 168939#(<= (+ main_offset 39676) main_length), 168936#(<= (+ main_offset 39688) main_length), 168937#(<= (+ main_offset 39684) main_length), 168942#(<= (+ main_offset 39664) main_length), 168943#(<= (+ main_offset 39660) main_length), 168940#(<= (+ main_offset 39672) main_length), 168941#(<= (+ main_offset 39668) main_length), 168946#(<= (+ main_offset 39648) main_length), 168947#(<= (+ main_offset 39644) main_length), 168944#(<= (+ main_offset 39656) main_length), 168945#(<= (+ main_offset 39652) main_length), 168950#(<= (+ main_offset 39632) main_length), 168951#(<= (+ main_offset 39628) main_length), 168948#(<= (+ main_offset 39640) main_length), 168949#(<= (+ main_offset 39636) main_length), 168954#(<= (+ main_offset 39616) main_length), 168955#(<= (+ main_offset 39612) main_length), 168952#(<= (+ main_offset 39624) main_length), 168953#(<= (+ main_offset 39620) main_length), 168958#(<= (+ main_offset 39600) main_length), 168959#(<= (+ main_offset 39596) main_length), 168956#(<= (+ main_offset 39608) main_length), 168957#(<= (+ main_offset 39604) main_length)] [2018-07-23 13:57:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 36672 backedges. 0 proven. 36672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:06,693 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:57:06,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:57:06,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:57:06,698 INFO L87 Difference]: Start difference. First operand 386 states and 386 transitions. Second operand 194 states. [2018-07-23 13:57:07,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:07,185 INFO L93 Difference]: Finished difference Result 389 states and 389 transitions. [2018-07-23 13:57:07,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:57:07,185 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 385 [2018-07-23 13:57:07,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:07,185 INFO L225 Difference]: With dead ends: 389 [2018-07-23 13:57:07,185 INFO L226 Difference]: Without dead ends: 388 [2018-07-23 13:57:07,187 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:57:07,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-07-23 13:57:07,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2018-07-23 13:57:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2018-07-23 13:57:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 388 transitions. [2018-07-23 13:57:07,192 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 388 transitions. Word has length 385 [2018-07-23 13:57:07,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:07,193 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 388 transitions. [2018-07-23 13:57:07,193 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:57:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 388 transitions. [2018-07-23 13:57:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-07-23 13:57:07,194 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:07,194 INFO L357 BasicCegarLoop]: trace histogram [193, 192, 1, 1] [2018-07-23 13:57:07,195 INFO L414 AbstractCegarLoop]: === Iteration 193 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:07,195 INFO L82 PathProgramCache]: Analyzing trace with hash -2086611360, now seen corresponding path program 192 times [2018-07-23 13:57:07,195 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 37056 backedges. 0 proven. 37056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:08,604 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:08,604 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:57:08,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:08,604 INFO L185 omatonBuilderFactory]: Interpolants [170606#(<= (+ main_offset 40000) main_length), 170607#(<= (+ main_offset 39996) main_length), 170604#true, 170605#false, 170610#(<= (+ main_offset 39984) main_length), 170611#(<= (+ main_offset 39980) main_length), 170608#(<= (+ main_offset 39992) main_length), 170609#(<= (+ main_offset 39988) main_length), 170614#(<= (+ main_offset 39968) main_length), 170615#(<= (+ main_offset 39964) main_length), 170612#(<= (+ main_offset 39976) main_length), 170613#(<= (+ main_offset 39972) main_length), 170618#(<= (+ main_offset 39952) main_length), 170619#(<= (+ main_offset 39948) main_length), 170616#(<= (+ main_offset 39960) main_length), 170617#(<= (+ main_offset 39956) main_length), 170622#(<= (+ main_offset 39936) main_length), 170623#(<= (+ main_offset 39932) main_length), 170620#(<= (+ main_offset 39944) main_length), 170621#(<= (+ main_offset 39940) main_length), 170626#(<= (+ main_offset 39920) main_length), 170627#(<= (+ main_offset 39916) main_length), 170624#(<= (+ main_offset 39928) main_length), 170625#(<= (+ main_offset 39924) main_length), 170630#(<= (+ main_offset 39904) main_length), 170631#(<= (+ main_offset 39900) main_length), 170628#(<= (+ main_offset 39912) main_length), 170629#(<= (+ main_offset 39908) main_length), 170634#(<= (+ main_offset 39888) main_length), 170635#(<= (+ main_offset 39884) main_length), 170632#(<= (+ main_offset 39896) main_length), 170633#(<= (+ main_offset 39892) main_length), 170638#(<= (+ main_offset 39872) main_length), 170639#(<= (+ main_offset 39868) main_length), 170636#(<= (+ main_offset 39880) main_length), 170637#(<= (+ main_offset 39876) main_length), 170642#(<= (+ main_offset 39856) main_length), 170643#(<= (+ main_offset 39852) main_length), 170640#(<= (+ main_offset 39864) main_length), 170641#(<= (+ main_offset 39860) main_length), 170646#(<= (+ main_offset 39840) main_length), 170647#(<= (+ main_offset 39836) main_length), 170644#(<= (+ main_offset 39848) main_length), 170645#(<= (+ main_offset 39844) main_length), 170650#(<= (+ main_offset 39824) main_length), 170651#(<= (+ main_offset 39820) main_length), 170648#(<= (+ main_offset 39832) main_length), 170649#(<= (+ main_offset 39828) main_length), 170654#(<= (+ main_offset 39808) main_length), 170655#(<= (+ main_offset 39804) main_length), 170652#(<= (+ main_offset 39816) main_length), 170653#(<= (+ main_offset 39812) main_length), 170658#(<= (+ main_offset 39792) main_length), 170659#(<= (+ main_offset 39788) main_length), 170656#(<= (+ main_offset 39800) main_length), 170657#(<= (+ main_offset 39796) main_length), 170662#(<= (+ main_offset 39776) main_length), 170663#(<= (+ main_offset 39772) main_length), 170660#(<= (+ main_offset 39784) main_length), 170661#(<= (+ main_offset 39780) main_length), 170666#(<= (+ main_offset 39760) main_length), 170667#(<= (+ main_offset 39756) main_length), 170664#(<= (+ main_offset 39768) main_length), 170665#(<= (+ main_offset 39764) main_length), 170670#(<= (+ main_offset 39744) main_length), 170671#(<= (+ main_offset 39740) main_length), 170668#(<= (+ main_offset 39752) main_length), 170669#(<= (+ main_offset 39748) main_length), 170674#(<= (+ main_offset 39728) main_length), 170675#(<= (+ main_offset 39724) main_length), 170672#(<= (+ main_offset 39736) main_length), 170673#(<= (+ main_offset 39732) main_length), 170678#(<= (+ main_offset 39712) main_length), 170679#(<= (+ main_offset 39708) main_length), 170676#(<= (+ main_offset 39720) main_length), 170677#(<= (+ main_offset 39716) main_length), 170682#(<= (+ main_offset 39696) main_length), 170683#(<= (+ main_offset 39692) main_length), 170680#(<= (+ main_offset 39704) main_length), 170681#(<= (+ main_offset 39700) main_length), 170686#(<= (+ main_offset 39680) main_length), 170687#(<= (+ main_offset 39676) main_length), 170684#(<= (+ main_offset 39688) main_length), 170685#(<= (+ main_offset 39684) main_length), 170690#(<= (+ main_offset 39664) main_length), 170691#(<= (+ main_offset 39660) main_length), 170688#(<= (+ main_offset 39672) main_length), 170689#(<= (+ main_offset 39668) main_length), 170694#(<= (+ main_offset 39648) main_length), 170695#(<= (+ main_offset 39644) main_length), 170692#(<= (+ main_offset 39656) main_length), 170693#(<= (+ main_offset 39652) main_length), 170698#(<= (+ main_offset 39632) main_length), 170699#(<= (+ main_offset 39628) main_length), 170696#(<= (+ main_offset 39640) main_length), 170697#(<= (+ main_offset 39636) main_length), 170702#(<= (+ main_offset 39616) main_length), 170703#(<= (+ main_offset 39612) main_length), 170700#(<= (+ main_offset 39624) main_length), 170701#(<= (+ main_offset 39620) main_length), 170706#(<= (+ main_offset 39600) main_length), 170707#(<= (+ main_offset 39596) main_length), 170704#(<= (+ main_offset 39608) main_length), 170705#(<= (+ main_offset 39604) main_length), 170710#(<= (+ main_offset 39584) main_length), 170711#(<= (+ main_offset 39580) main_length), 170708#(<= (+ main_offset 39592) main_length), 170709#(<= (+ main_offset 39588) main_length), 170714#(<= (+ main_offset 39568) main_length), 170715#(<= (+ main_offset 39564) main_length), 170712#(<= (+ main_offset 39576) main_length), 170713#(<= (+ main_offset 39572) main_length), 170718#(<= (+ main_offset 39552) main_length), 170719#(<= (+ main_offset 39548) main_length), 170716#(<= (+ main_offset 39560) main_length), 170717#(<= (+ main_offset 39556) main_length), 170722#(<= (+ main_offset 39536) main_length), 170723#(<= (+ main_offset 39532) main_length), 170720#(<= (+ main_offset 39544) main_length), 170721#(<= (+ main_offset 39540) main_length), 170726#(<= (+ main_offset 39520) main_length), 170727#(<= (+ main_offset 39516) main_length), 170724#(<= (+ main_offset 39528) main_length), 170725#(<= (+ main_offset 39524) main_length), 170730#(<= (+ main_offset 39504) main_length), 170731#(<= (+ main_offset 39500) main_length), 170728#(<= (+ main_offset 39512) main_length), 170729#(<= (+ main_offset 39508) main_length), 170734#(<= (+ main_offset 39488) main_length), 170735#(<= (+ main_offset 39484) main_length), 170732#(<= (+ main_offset 39496) main_length), 170733#(<= (+ main_offset 39492) main_length), 170738#(<= (+ main_offset 39472) main_length), 170739#(<= (+ main_offset 39468) main_length), 170736#(<= (+ main_offset 39480) main_length), 170737#(<= (+ main_offset 39476) main_length), 170742#(<= (+ main_offset 39456) main_length), 170743#(<= (+ main_offset 39452) main_length), 170740#(<= (+ main_offset 39464) main_length), 170741#(<= (+ main_offset 39460) main_length), 170746#(<= (+ main_offset 39440) main_length), 170747#(<= (+ main_offset 39436) main_length), 170744#(<= (+ main_offset 39448) main_length), 170745#(<= (+ main_offset 39444) main_length), 170750#(<= (+ main_offset 39424) main_length), 170751#(<= (+ main_offset 39420) main_length), 170748#(<= (+ main_offset 39432) main_length), 170749#(<= (+ main_offset 39428) main_length), 170754#(<= (+ main_offset 39408) main_length), 170755#(<= (+ main_offset 39404) main_length), 170752#(<= (+ main_offset 39416) main_length), 170753#(<= (+ main_offset 39412) main_length), 170758#(<= (+ main_offset 39392) main_length), 170759#(<= (+ main_offset 39388) main_length), 170756#(<= (+ main_offset 39400) main_length), 170757#(<= (+ main_offset 39396) main_length), 170762#(<= (+ main_offset 39376) main_length), 170763#(<= (+ main_offset 39372) main_length), 170760#(<= (+ main_offset 39384) main_length), 170761#(<= (+ main_offset 39380) main_length), 170766#(<= (+ main_offset 39360) main_length), 170767#(<= (+ main_offset 39356) main_length), 170764#(<= (+ main_offset 39368) main_length), 170765#(<= (+ main_offset 39364) main_length), 170770#(<= (+ main_offset 39344) main_length), 170771#(<= (+ main_offset 39340) main_length), 170768#(<= (+ main_offset 39352) main_length), 170769#(<= (+ main_offset 39348) main_length), 170774#(<= (+ main_offset 39328) main_length), 170775#(<= (+ main_offset 39324) main_length), 170772#(<= (+ main_offset 39336) main_length), 170773#(<= (+ main_offset 39332) main_length), 170778#(<= (+ main_offset 39312) main_length), 170779#(<= (+ main_offset 39308) main_length), 170776#(<= (+ main_offset 39320) main_length), 170777#(<= (+ main_offset 39316) main_length), 170782#(<= (+ main_offset 39296) main_length), 170783#(<= (+ main_offset 39292) main_length), 170780#(<= (+ main_offset 39304) main_length), 170781#(<= (+ main_offset 39300) main_length), 170786#(<= (+ main_offset 39280) main_length), 170787#(<= (+ main_offset 39276) main_length), 170784#(<= (+ main_offset 39288) main_length), 170785#(<= (+ main_offset 39284) main_length), 170790#(<= (+ main_offset 39264) main_length), 170791#(<= (+ main_offset 39260) main_length), 170788#(<= (+ main_offset 39272) main_length), 170789#(<= (+ main_offset 39268) main_length), 170794#(<= (+ main_offset 39248) main_length), 170795#(<= (+ main_offset 39244) main_length), 170792#(<= (+ main_offset 39256) main_length), 170793#(<= (+ main_offset 39252) main_length), 170798#(<= (+ main_offset 39232) main_length), 170796#(<= (+ main_offset 39240) main_length), 170797#(<= (+ main_offset 39236) main_length)] [2018-07-23 13:57:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 37056 backedges. 0 proven. 37056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:08,606 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:57:08,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:57:08,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:57:08,610 INFO L87 Difference]: Start difference. First operand 388 states and 388 transitions. Second operand 195 states. [2018-07-23 13:57:09,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:09,426 INFO L93 Difference]: Finished difference Result 391 states and 391 transitions. [2018-07-23 13:57:09,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:57:09,427 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 387 [2018-07-23 13:57:09,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:09,427 INFO L225 Difference]: With dead ends: 391 [2018-07-23 13:57:09,427 INFO L226 Difference]: Without dead ends: 390 [2018-07-23 13:57:09,429 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:57:09,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-07-23 13:57:09,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2018-07-23 13:57:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-07-23 13:57:09,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 390 transitions. [2018-07-23 13:57:09,433 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 390 transitions. Word has length 387 [2018-07-23 13:57:09,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:09,434 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 390 transitions. [2018-07-23 13:57:09,434 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:57:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 390 transitions. [2018-07-23 13:57:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-07-23 13:57:09,435 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:09,435 INFO L357 BasicCegarLoop]: trace histogram [194, 193, 1, 1] [2018-07-23 13:57:09,435 INFO L414 AbstractCegarLoop]: === Iteration 194 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash 516211362, now seen corresponding path program 193 times [2018-07-23 13:57:09,435 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 37442 backedges. 0 proven. 37442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:10,906 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:10,906 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:57:10,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:10,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:10,907 INFO L185 omatonBuilderFactory]: Interpolants [172546#(<= (+ main_offset 39268) main_length), 172547#(<= (+ main_offset 39264) main_length), 172544#(<= (+ main_offset 39276) main_length), 172545#(<= (+ main_offset 39272) main_length), 172550#(<= (+ main_offset 39252) main_length), 172551#(<= (+ main_offset 39248) main_length), 172548#(<= (+ main_offset 39260) main_length), 172549#(<= (+ main_offset 39256) main_length), 172554#(<= (+ main_offset 39236) main_length), 172555#(<= (+ main_offset 39232) main_length), 172552#(<= (+ main_offset 39244) main_length), 172553#(<= (+ main_offset 39240) main_length), 172556#(<= (+ main_offset 39228) main_length), 172362#false, 172363#(<= (+ main_offset 40000) main_length), 172361#true, 172366#(<= (+ main_offset 39988) main_length), 172367#(<= (+ main_offset 39984) main_length), 172364#(<= (+ main_offset 39996) main_length), 172365#(<= (+ main_offset 39992) main_length), 172370#(<= (+ main_offset 39972) main_length), 172371#(<= (+ main_offset 39968) main_length), 172368#(<= (+ main_offset 39980) main_length), 172369#(<= (+ main_offset 39976) main_length), 172374#(<= (+ main_offset 39956) main_length), 172375#(<= (+ main_offset 39952) main_length), 172372#(<= (+ main_offset 39964) main_length), 172373#(<= (+ main_offset 39960) main_length), 172378#(<= (+ main_offset 39940) main_length), 172379#(<= (+ main_offset 39936) main_length), 172376#(<= (+ main_offset 39948) main_length), 172377#(<= (+ main_offset 39944) main_length), 172382#(<= (+ main_offset 39924) main_length), 172383#(<= (+ main_offset 39920) main_length), 172380#(<= (+ main_offset 39932) main_length), 172381#(<= (+ main_offset 39928) main_length), 172386#(<= (+ main_offset 39908) main_length), 172387#(<= (+ main_offset 39904) main_length), 172384#(<= (+ main_offset 39916) main_length), 172385#(<= (+ main_offset 39912) main_length), 172390#(<= (+ main_offset 39892) main_length), 172391#(<= (+ main_offset 39888) main_length), 172388#(<= (+ main_offset 39900) main_length), 172389#(<= (+ main_offset 39896) main_length), 172394#(<= (+ main_offset 39876) main_length), 172395#(<= (+ main_offset 39872) main_length), 172392#(<= (+ main_offset 39884) main_length), 172393#(<= (+ main_offset 39880) main_length), 172398#(<= (+ main_offset 39860) main_length), 172399#(<= (+ main_offset 39856) main_length), 172396#(<= (+ main_offset 39868) main_length), 172397#(<= (+ main_offset 39864) main_length), 172402#(<= (+ main_offset 39844) main_length), 172403#(<= (+ main_offset 39840) main_length), 172400#(<= (+ main_offset 39852) main_length), 172401#(<= (+ main_offset 39848) main_length), 172406#(<= (+ main_offset 39828) main_length), 172407#(<= (+ main_offset 39824) main_length), 172404#(<= (+ main_offset 39836) main_length), 172405#(<= (+ main_offset 39832) main_length), 172410#(<= (+ main_offset 39812) main_length), 172411#(<= (+ main_offset 39808) main_length), 172408#(<= (+ main_offset 39820) main_length), 172409#(<= (+ main_offset 39816) main_length), 172414#(<= (+ main_offset 39796) main_length), 172415#(<= (+ main_offset 39792) main_length), 172412#(<= (+ main_offset 39804) main_length), 172413#(<= (+ main_offset 39800) main_length), 172418#(<= (+ main_offset 39780) main_length), 172419#(<= (+ main_offset 39776) main_length), 172416#(<= (+ main_offset 39788) main_length), 172417#(<= (+ main_offset 39784) main_length), 172422#(<= (+ main_offset 39764) main_length), 172423#(<= (+ main_offset 39760) main_length), 172420#(<= (+ main_offset 39772) main_length), 172421#(<= (+ main_offset 39768) main_length), 172426#(<= (+ main_offset 39748) main_length), 172427#(<= (+ main_offset 39744) main_length), 172424#(<= (+ main_offset 39756) main_length), 172425#(<= (+ main_offset 39752) main_length), 172430#(<= (+ main_offset 39732) main_length), 172431#(<= (+ main_offset 39728) main_length), 172428#(<= (+ main_offset 39740) main_length), 172429#(<= (+ main_offset 39736) main_length), 172434#(<= (+ main_offset 39716) main_length), 172435#(<= (+ main_offset 39712) main_length), 172432#(<= (+ main_offset 39724) main_length), 172433#(<= (+ main_offset 39720) main_length), 172438#(<= (+ main_offset 39700) main_length), 172439#(<= (+ main_offset 39696) main_length), 172436#(<= (+ main_offset 39708) main_length), 172437#(<= (+ main_offset 39704) main_length), 172442#(<= (+ main_offset 39684) main_length), 172443#(<= (+ main_offset 39680) main_length), 172440#(<= (+ main_offset 39692) main_length), 172441#(<= (+ main_offset 39688) main_length), 172446#(<= (+ main_offset 39668) main_length), 172447#(<= (+ main_offset 39664) main_length), 172444#(<= (+ main_offset 39676) main_length), 172445#(<= (+ main_offset 39672) main_length), 172450#(<= (+ main_offset 39652) main_length), 172451#(<= (+ main_offset 39648) main_length), 172448#(<= (+ main_offset 39660) main_length), 172449#(<= (+ main_offset 39656) main_length), 172454#(<= (+ main_offset 39636) main_length), 172455#(<= (+ main_offset 39632) main_length), 172452#(<= (+ main_offset 39644) main_length), 172453#(<= (+ main_offset 39640) main_length), 172458#(<= (+ main_offset 39620) main_length), 172459#(<= (+ main_offset 39616) main_length), 172456#(<= (+ main_offset 39628) main_length), 172457#(<= (+ main_offset 39624) main_length), 172462#(<= (+ main_offset 39604) main_length), 172463#(<= (+ main_offset 39600) main_length), 172460#(<= (+ main_offset 39612) main_length), 172461#(<= (+ main_offset 39608) main_length), 172466#(<= (+ main_offset 39588) main_length), 172467#(<= (+ main_offset 39584) main_length), 172464#(<= (+ main_offset 39596) main_length), 172465#(<= (+ main_offset 39592) main_length), 172470#(<= (+ main_offset 39572) main_length), 172471#(<= (+ main_offset 39568) main_length), 172468#(<= (+ main_offset 39580) main_length), 172469#(<= (+ main_offset 39576) main_length), 172474#(<= (+ main_offset 39556) main_length), 172475#(<= (+ main_offset 39552) main_length), 172472#(<= (+ main_offset 39564) main_length), 172473#(<= (+ main_offset 39560) main_length), 172478#(<= (+ main_offset 39540) main_length), 172479#(<= (+ main_offset 39536) main_length), 172476#(<= (+ main_offset 39548) main_length), 172477#(<= (+ main_offset 39544) main_length), 172482#(<= (+ main_offset 39524) main_length), 172483#(<= (+ main_offset 39520) main_length), 172480#(<= (+ main_offset 39532) main_length), 172481#(<= (+ main_offset 39528) main_length), 172486#(<= (+ main_offset 39508) main_length), 172487#(<= (+ main_offset 39504) main_length), 172484#(<= (+ main_offset 39516) main_length), 172485#(<= (+ main_offset 39512) main_length), 172490#(<= (+ main_offset 39492) main_length), 172491#(<= (+ main_offset 39488) main_length), 172488#(<= (+ main_offset 39500) main_length), 172489#(<= (+ main_offset 39496) main_length), 172494#(<= (+ main_offset 39476) main_length), 172495#(<= (+ main_offset 39472) main_length), 172492#(<= (+ main_offset 39484) main_length), 172493#(<= (+ main_offset 39480) main_length), 172498#(<= (+ main_offset 39460) main_length), 172499#(<= (+ main_offset 39456) main_length), 172496#(<= (+ main_offset 39468) main_length), 172497#(<= (+ main_offset 39464) main_length), 172502#(<= (+ main_offset 39444) main_length), 172503#(<= (+ main_offset 39440) main_length), 172500#(<= (+ main_offset 39452) main_length), 172501#(<= (+ main_offset 39448) main_length), 172506#(<= (+ main_offset 39428) main_length), 172507#(<= (+ main_offset 39424) main_length), 172504#(<= (+ main_offset 39436) main_length), 172505#(<= (+ main_offset 39432) main_length), 172510#(<= (+ main_offset 39412) main_length), 172511#(<= (+ main_offset 39408) main_length), 172508#(<= (+ main_offset 39420) main_length), 172509#(<= (+ main_offset 39416) main_length), 172514#(<= (+ main_offset 39396) main_length), 172515#(<= (+ main_offset 39392) main_length), 172512#(<= (+ main_offset 39404) main_length), 172513#(<= (+ main_offset 39400) main_length), 172518#(<= (+ main_offset 39380) main_length), 172519#(<= (+ main_offset 39376) main_length), 172516#(<= (+ main_offset 39388) main_length), 172517#(<= (+ main_offset 39384) main_length), 172522#(<= (+ main_offset 39364) main_length), 172523#(<= (+ main_offset 39360) main_length), 172520#(<= (+ main_offset 39372) main_length), 172521#(<= (+ main_offset 39368) main_length), 172526#(<= (+ main_offset 39348) main_length), 172527#(<= (+ main_offset 39344) main_length), 172524#(<= (+ main_offset 39356) main_length), 172525#(<= (+ main_offset 39352) main_length), 172530#(<= (+ main_offset 39332) main_length), 172531#(<= (+ main_offset 39328) main_length), 172528#(<= (+ main_offset 39340) main_length), 172529#(<= (+ main_offset 39336) main_length), 172534#(<= (+ main_offset 39316) main_length), 172535#(<= (+ main_offset 39312) main_length), 172532#(<= (+ main_offset 39324) main_length), 172533#(<= (+ main_offset 39320) main_length), 172538#(<= (+ main_offset 39300) main_length), 172539#(<= (+ main_offset 39296) main_length), 172536#(<= (+ main_offset 39308) main_length), 172537#(<= (+ main_offset 39304) main_length), 172542#(<= (+ main_offset 39284) main_length), 172543#(<= (+ main_offset 39280) main_length), 172540#(<= (+ main_offset 39292) main_length), 172541#(<= (+ main_offset 39288) main_length)] [2018-07-23 13:57:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 37442 backedges. 0 proven. 37442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:10,909 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:57:10,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:57:10,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:57:10,913 INFO L87 Difference]: Start difference. First operand 390 states and 390 transitions. Second operand 196 states. [2018-07-23 13:57:12,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:12,347 INFO L93 Difference]: Finished difference Result 393 states and 393 transitions. [2018-07-23 13:57:12,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:57:12,347 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 389 [2018-07-23 13:57:12,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:12,348 INFO L225 Difference]: With dead ends: 393 [2018-07-23 13:57:12,348 INFO L226 Difference]: Without dead ends: 392 [2018-07-23 13:57:12,349 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:57:12,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2018-07-23 13:57:12,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2018-07-23 13:57:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2018-07-23 13:57:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 392 transitions. [2018-07-23 13:57:12,353 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 392 transitions. Word has length 389 [2018-07-23 13:57:12,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:12,353 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 392 transitions. [2018-07-23 13:57:12,353 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:57:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 392 transitions. [2018-07-23 13:57:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-07-23 13:57:12,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:12,355 INFO L357 BasicCegarLoop]: trace histogram [195, 194, 1, 1] [2018-07-23 13:57:12,355 INFO L414 AbstractCegarLoop]: === Iteration 195 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:12,355 INFO L82 PathProgramCache]: Analyzing trace with hash -2137086364, now seen corresponding path program 194 times [2018-07-23 13:57:12,355 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 37830 backedges. 0 proven. 37830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:13,835 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:13,835 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:57:13,835 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:13,835 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 13:57:13,836 INFO L185 omatonBuilderFactory]: Interpolants [174127#true, 174130#(<= (+ main_offset 39996) main_length), 174131#(<= (+ main_offset 39992) main_length), 174128#false, 174129#(<= (+ main_offset 40000) main_length), 174134#(<= (+ main_offset 39980) main_length), 174135#(<= (+ main_offset 39976) main_length), 174132#(<= (+ main_offset 39988) main_length), 174133#(<= (+ main_offset 39984) main_length), 174138#(<= (+ main_offset 39964) main_length), 174139#(<= (+ main_offset 39960) main_length), 174136#(<= (+ main_offset 39972) main_length), 174137#(<= (+ main_offset 39968) main_length), 174142#(<= (+ main_offset 39948) main_length), 174143#(<= (+ main_offset 39944) main_length), 174140#(<= (+ main_offset 39956) main_length), 174141#(<= (+ main_offset 39952) main_length), 174146#(<= (+ main_offset 39932) main_length), 174147#(<= (+ main_offset 39928) main_length), 174144#(<= (+ main_offset 39940) main_length), 174145#(<= (+ main_offset 39936) main_length), 174150#(<= (+ main_offset 39916) main_length), 174151#(<= (+ main_offset 39912) main_length), 174148#(<= (+ main_offset 39924) main_length), 174149#(<= (+ main_offset 39920) main_length), 174154#(<= (+ main_offset 39900) main_length), 174155#(<= (+ main_offset 39896) main_length), 174152#(<= (+ main_offset 39908) main_length), 174153#(<= (+ main_offset 39904) main_length), 174158#(<= (+ main_offset 39884) main_length), 174159#(<= (+ main_offset 39880) main_length), 174156#(<= (+ main_offset 39892) main_length), 174157#(<= (+ main_offset 39888) main_length), 174162#(<= (+ main_offset 39868) main_length), 174163#(<= (+ main_offset 39864) main_length), 174160#(<= (+ main_offset 39876) main_length), 174161#(<= (+ main_offset 39872) main_length), 174166#(<= (+ main_offset 39852) main_length), 174167#(<= (+ main_offset 39848) main_length), 174164#(<= (+ main_offset 39860) main_length), 174165#(<= (+ main_offset 39856) main_length), 174170#(<= (+ main_offset 39836) main_length), 174171#(<= (+ main_offset 39832) main_length), 174168#(<= (+ main_offset 39844) main_length), 174169#(<= (+ main_offset 39840) main_length), 174174#(<= (+ main_offset 39820) main_length), 174175#(<= (+ main_offset 39816) main_length), 174172#(<= (+ main_offset 39828) main_length), 174173#(<= (+ main_offset 39824) main_length), 174178#(<= (+ main_offset 39804) main_length), 174179#(<= (+ main_offset 39800) main_length), 174176#(<= (+ main_offset 39812) main_length), 174177#(<= (+ main_offset 39808) main_length), 174182#(<= (+ main_offset 39788) main_length), 174183#(<= (+ main_offset 39784) main_length), 174180#(<= (+ main_offset 39796) main_length), 174181#(<= (+ main_offset 39792) main_length), 174186#(<= (+ main_offset 39772) main_length), 174187#(<= (+ main_offset 39768) main_length), 174184#(<= (+ main_offset 39780) main_length), 174185#(<= (+ main_offset 39776) main_length), 174190#(<= (+ main_offset 39756) main_length), 174191#(<= (+ main_offset 39752) main_length), 174188#(<= (+ main_offset 39764) main_length), 174189#(<= (+ main_offset 39760) main_length), 174194#(<= (+ main_offset 39740) main_length), 174195#(<= (+ main_offset 39736) main_length), 174192#(<= (+ main_offset 39748) main_length), 174193#(<= (+ main_offset 39744) main_length), 174198#(<= (+ main_offset 39724) main_length), 174199#(<= (+ main_offset 39720) main_length), 174196#(<= (+ main_offset 39732) main_length), 174197#(<= (+ main_offset 39728) main_length), 174202#(<= (+ main_offset 39708) main_length), 174203#(<= (+ main_offset 39704) main_length), 174200#(<= (+ main_offset 39716) main_length), 174201#(<= (+ main_offset 39712) main_length), 174206#(<= (+ main_offset 39692) main_length), 174207#(<= (+ main_offset 39688) main_length), 174204#(<= (+ main_offset 39700) main_length), 174205#(<= (+ main_offset 39696) main_length), 174210#(<= (+ main_offset 39676) main_length), 174211#(<= (+ main_offset 39672) main_length), 174208#(<= (+ main_offset 39684) main_length), 174209#(<= (+ main_offset 39680) main_length), 174214#(<= (+ main_offset 39660) main_length), 174215#(<= (+ main_offset 39656) main_length), 174212#(<= (+ main_offset 39668) main_length), 174213#(<= (+ main_offset 39664) main_length), 174218#(<= (+ main_offset 39644) main_length), 174219#(<= (+ main_offset 39640) main_length), 174216#(<= (+ main_offset 39652) main_length), 174217#(<= (+ main_offset 39648) main_length), 174222#(<= (+ main_offset 39628) main_length), 174223#(<= (+ main_offset 39624) main_length), 174220#(<= (+ main_offset 39636) main_length), 174221#(<= (+ main_offset 39632) main_length), 174226#(<= (+ main_offset 39612) main_length), 174227#(<= (+ main_offset 39608) main_length), 174224#(<= (+ main_offset 39620) main_length), 174225#(<= (+ main_offset 39616) main_length), 174230#(<= (+ main_offset 39596) main_length), 174231#(<= (+ main_offset 39592) main_length), 174228#(<= (+ main_offset 39604) main_length), 174229#(<= (+ main_offset 39600) main_length), 174234#(<= (+ main_offset 39580) main_length), 174235#(<= (+ main_offset 39576) main_length), 174232#(<= (+ main_offset 39588) main_length), 174233#(<= (+ main_offset 39584) main_length), 174238#(<= (+ main_offset 39564) main_length), 174239#(<= (+ main_offset 39560) main_length), 174236#(<= (+ main_offset 39572) main_length), 174237#(<= (+ main_offset 39568) main_length), 174242#(<= (+ main_offset 39548) main_length), 174243#(<= (+ main_offset 39544) main_length), 174240#(<= (+ main_offset 39556) main_length), 174241#(<= (+ main_offset 39552) main_length), 174246#(<= (+ main_offset 39532) main_length), 174247#(<= (+ main_offset 39528) main_length), 174244#(<= (+ main_offset 39540) main_length), 174245#(<= (+ main_offset 39536) main_length), 174250#(<= (+ main_offset 39516) main_length), 174251#(<= (+ main_offset 39512) main_length), 174248#(<= (+ main_offset 39524) main_length), 174249#(<= (+ main_offset 39520) main_length), 174254#(<= (+ main_offset 39500) main_length), 174255#(<= (+ main_offset 39496) main_length), 174252#(<= (+ main_offset 39508) main_length), 174253#(<= (+ main_offset 39504) main_length), 174258#(<= (+ main_offset 39484) main_length), 174259#(<= (+ main_offset 39480) main_length), 174256#(<= (+ main_offset 39492) main_length), 174257#(<= (+ main_offset 39488) main_length), 174262#(<= (+ main_offset 39468) main_length), 174263#(<= (+ main_offset 39464) main_length), 174260#(<= (+ main_offset 39476) main_length), 174261#(<= (+ main_offset 39472) main_length), 174266#(<= (+ main_offset 39452) main_length), 174267#(<= (+ main_offset 39448) main_length), 174264#(<= (+ main_offset 39460) main_length), 174265#(<= (+ main_offset 39456) main_length), 174270#(<= (+ main_offset 39436) main_length), 174271#(<= (+ main_offset 39432) main_length), 174268#(<= (+ main_offset 39444) main_length), 174269#(<= (+ main_offset 39440) main_length), 174274#(<= (+ main_offset 39420) main_length), 174275#(<= (+ main_offset 39416) main_length), 174272#(<= (+ main_offset 39428) main_length), 174273#(<= (+ main_offset 39424) main_length), 174278#(<= (+ main_offset 39404) main_length), 174279#(<= (+ main_offset 39400) main_length), 174276#(<= (+ main_offset 39412) main_length), 174277#(<= (+ main_offset 39408) main_length), 174282#(<= (+ main_offset 39388) main_length), 174283#(<= (+ main_offset 39384) main_length), 174280#(<= (+ main_offset 39396) main_length), 174281#(<= (+ main_offset 39392) main_length), 174286#(<= (+ main_offset 39372) main_length), 174287#(<= (+ main_offset 39368) main_length), 174284#(<= (+ main_offset 39380) main_length), 174285#(<= (+ main_offset 39376) main_length), 174290#(<= (+ main_offset 39356) main_length), 174291#(<= (+ main_offset 39352) main_length), 174288#(<= (+ main_offset 39364) main_length), 174289#(<= (+ main_offset 39360) main_length), 174294#(<= (+ main_offset 39340) main_length), 174295#(<= (+ main_offset 39336) main_length), 174292#(<= (+ main_offset 39348) main_length), 174293#(<= (+ main_offset 39344) main_length), 174298#(<= (+ main_offset 39324) main_length), 174299#(<= (+ main_offset 39320) main_length), 174296#(<= (+ main_offset 39332) main_length), 174297#(<= (+ main_offset 39328) main_length), 174302#(<= (+ main_offset 39308) main_length), 174303#(<= (+ main_offset 39304) main_length), 174300#(<= (+ main_offset 39316) main_length), 174301#(<= (+ main_offset 39312) main_length), 174306#(<= (+ main_offset 39292) main_length), 174307#(<= (+ main_offset 39288) main_length), 174304#(<= (+ main_offset 39300) main_length), 174305#(<= (+ main_offset 39296) main_length), 174310#(<= (+ main_offset 39276) main_length), 174311#(<= (+ main_offset 39272) main_length), 174308#(<= (+ main_offset 39284) main_length), 174309#(<= (+ main_offset 39280) main_length), 174314#(<= (+ main_offset 39260) main_length), 174315#(<= (+ main_offset 39256) main_length), 174312#(<= (+ main_offset 39268) main_length), 174313#(<= (+ main_offset 39264) main_length), 174318#(<= (+ main_offset 39244) main_length), 174319#(<= (+ main_offset 39240) main_length), 174316#(<= (+ main_offset 39252) main_length), 174317#(<= (+ main_offset 39248) main_length), 174322#(<= (+ main_offset 39228) main_length), 174323#(<= (+ main_offset 39224) main_length), 174320#(<= (+ main_offset 39236) main_length), 174321#(<= (+ main_offset 39232) main_length)] [2018-07-23 13:57:13,837 INFO L134 CoverageAnalysis]: Checked inductivity of 37830 backedges. 0 proven. 37830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:13,837 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:57:13,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:57:13,841 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:57:13,841 INFO L87 Difference]: Start difference. First operand 392 states and 392 transitions. Second operand 197 states. [2018-07-23 13:57:15,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:15,700 INFO L93 Difference]: Finished difference Result 395 states and 395 transitions. [2018-07-23 13:57:15,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:57:15,700 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 391 [2018-07-23 13:57:15,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:15,701 INFO L225 Difference]: With dead ends: 395 [2018-07-23 13:57:15,701 INFO L226 Difference]: Without dead ends: 394 [2018-07-23 13:57:15,702 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:57:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2018-07-23 13:57:15,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2018-07-23 13:57:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-07-23 13:57:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 394 transitions. [2018-07-23 13:57:15,707 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 394 transitions. Word has length 391 [2018-07-23 13:57:15,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:15,707 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 394 transitions. [2018-07-23 13:57:15,707 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:57:15,707 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 394 transitions. [2018-07-23 13:57:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-07-23 13:57:15,708 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:15,709 INFO L357 BasicCegarLoop]: trace histogram [196, 195, 1, 1] [2018-07-23 13:57:15,709 INFO L414 AbstractCegarLoop]: === Iteration 196 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:15,709 INFO L82 PathProgramCache]: Analyzing trace with hash -745627226, now seen corresponding path program 195 times [2018-07-23 13:57:15,709 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 38220 backedges. 0 proven. 38220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:17,289 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:17,289 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:57:17,290 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:17,290 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 13:57:17,290 INFO L185 omatonBuilderFactory]: Interpolants [175902#true, 175903#false, 175906#(<= (+ main_offset 39992) main_length), 175907#(<= (+ main_offset 39988) main_length), 175904#(<= (+ main_offset 40000) main_length), 175905#(<= (+ main_offset 39996) main_length), 175910#(<= (+ main_offset 39976) main_length), 175911#(<= (+ main_offset 39972) main_length), 175908#(<= (+ main_offset 39984) main_length), 175909#(<= (+ main_offset 39980) main_length), 175914#(<= (+ main_offset 39960) main_length), 175915#(<= (+ main_offset 39956) main_length), 175912#(<= (+ main_offset 39968) main_length), 175913#(<= (+ main_offset 39964) main_length), 175918#(<= (+ main_offset 39944) main_length), 175919#(<= (+ main_offset 39940) main_length), 175916#(<= (+ main_offset 39952) main_length), 175917#(<= (+ main_offset 39948) main_length), 175922#(<= (+ main_offset 39928) main_length), 175923#(<= (+ main_offset 39924) main_length), 175920#(<= (+ main_offset 39936) main_length), 175921#(<= (+ main_offset 39932) main_length), 175926#(<= (+ main_offset 39912) main_length), 175927#(<= (+ main_offset 39908) main_length), 175924#(<= (+ main_offset 39920) main_length), 175925#(<= (+ main_offset 39916) main_length), 175930#(<= (+ main_offset 39896) main_length), 175931#(<= (+ main_offset 39892) main_length), 175928#(<= (+ main_offset 39904) main_length), 175929#(<= (+ main_offset 39900) main_length), 175934#(<= (+ main_offset 39880) main_length), 175935#(<= (+ main_offset 39876) main_length), 175932#(<= (+ main_offset 39888) main_length), 175933#(<= (+ main_offset 39884) main_length), 175938#(<= (+ main_offset 39864) main_length), 175939#(<= (+ main_offset 39860) main_length), 175936#(<= (+ main_offset 39872) main_length), 175937#(<= (+ main_offset 39868) main_length), 175942#(<= (+ main_offset 39848) main_length), 175943#(<= (+ main_offset 39844) main_length), 175940#(<= (+ main_offset 39856) main_length), 175941#(<= (+ main_offset 39852) main_length), 175946#(<= (+ main_offset 39832) main_length), 175947#(<= (+ main_offset 39828) main_length), 175944#(<= (+ main_offset 39840) main_length), 175945#(<= (+ main_offset 39836) main_length), 175950#(<= (+ main_offset 39816) main_length), 175951#(<= (+ main_offset 39812) main_length), 175948#(<= (+ main_offset 39824) main_length), 175949#(<= (+ main_offset 39820) main_length), 175954#(<= (+ main_offset 39800) main_length), 175955#(<= (+ main_offset 39796) main_length), 175952#(<= (+ main_offset 39808) main_length), 175953#(<= (+ main_offset 39804) main_length), 175958#(<= (+ main_offset 39784) main_length), 175959#(<= (+ main_offset 39780) main_length), 175956#(<= (+ main_offset 39792) main_length), 175957#(<= (+ main_offset 39788) main_length), 175962#(<= (+ main_offset 39768) main_length), 175963#(<= (+ main_offset 39764) main_length), 175960#(<= (+ main_offset 39776) main_length), 175961#(<= (+ main_offset 39772) main_length), 175966#(<= (+ main_offset 39752) main_length), 175967#(<= (+ main_offset 39748) main_length), 175964#(<= (+ main_offset 39760) main_length), 175965#(<= (+ main_offset 39756) main_length), 175970#(<= (+ main_offset 39736) main_length), 175971#(<= (+ main_offset 39732) main_length), 175968#(<= (+ main_offset 39744) main_length), 175969#(<= (+ main_offset 39740) main_length), 175974#(<= (+ main_offset 39720) main_length), 175975#(<= (+ main_offset 39716) main_length), 175972#(<= (+ main_offset 39728) main_length), 175973#(<= (+ main_offset 39724) main_length), 175978#(<= (+ main_offset 39704) main_length), 175979#(<= (+ main_offset 39700) main_length), 175976#(<= (+ main_offset 39712) main_length), 175977#(<= (+ main_offset 39708) main_length), 175982#(<= (+ main_offset 39688) main_length), 175983#(<= (+ main_offset 39684) main_length), 175980#(<= (+ main_offset 39696) main_length), 175981#(<= (+ main_offset 39692) main_length), 175986#(<= (+ main_offset 39672) main_length), 175987#(<= (+ main_offset 39668) main_length), 175984#(<= (+ main_offset 39680) main_length), 175985#(<= (+ main_offset 39676) main_length), 175990#(<= (+ main_offset 39656) main_length), 175991#(<= (+ main_offset 39652) main_length), 175988#(<= (+ main_offset 39664) main_length), 175989#(<= (+ main_offset 39660) main_length), 175994#(<= (+ main_offset 39640) main_length), 175995#(<= (+ main_offset 39636) main_length), 175992#(<= (+ main_offset 39648) main_length), 175993#(<= (+ main_offset 39644) main_length), 175998#(<= (+ main_offset 39624) main_length), 175999#(<= (+ main_offset 39620) main_length), 175996#(<= (+ main_offset 39632) main_length), 175997#(<= (+ main_offset 39628) main_length), 176002#(<= (+ main_offset 39608) main_length), 176003#(<= (+ main_offset 39604) main_length), 176000#(<= (+ main_offset 39616) main_length), 176001#(<= (+ main_offset 39612) main_length), 176006#(<= (+ main_offset 39592) main_length), 176007#(<= (+ main_offset 39588) main_length), 176004#(<= (+ main_offset 39600) main_length), 176005#(<= (+ main_offset 39596) main_length), 176010#(<= (+ main_offset 39576) main_length), 176011#(<= (+ main_offset 39572) main_length), 176008#(<= (+ main_offset 39584) main_length), 176009#(<= (+ main_offset 39580) main_length), 176014#(<= (+ main_offset 39560) main_length), 176015#(<= (+ main_offset 39556) main_length), 176012#(<= (+ main_offset 39568) main_length), 176013#(<= (+ main_offset 39564) main_length), 176018#(<= (+ main_offset 39544) main_length), 176019#(<= (+ main_offset 39540) main_length), 176016#(<= (+ main_offset 39552) main_length), 176017#(<= (+ main_offset 39548) main_length), 176022#(<= (+ main_offset 39528) main_length), 176023#(<= (+ main_offset 39524) main_length), 176020#(<= (+ main_offset 39536) main_length), 176021#(<= (+ main_offset 39532) main_length), 176026#(<= (+ main_offset 39512) main_length), 176027#(<= (+ main_offset 39508) main_length), 176024#(<= (+ main_offset 39520) main_length), 176025#(<= (+ main_offset 39516) main_length), 176030#(<= (+ main_offset 39496) main_length), 176031#(<= (+ main_offset 39492) main_length), 176028#(<= (+ main_offset 39504) main_length), 176029#(<= (+ main_offset 39500) main_length), 176034#(<= (+ main_offset 39480) main_length), 176035#(<= (+ main_offset 39476) main_length), 176032#(<= (+ main_offset 39488) main_length), 176033#(<= (+ main_offset 39484) main_length), 176038#(<= (+ main_offset 39464) main_length), 176039#(<= (+ main_offset 39460) main_length), 176036#(<= (+ main_offset 39472) main_length), 176037#(<= (+ main_offset 39468) main_length), 176042#(<= (+ main_offset 39448) main_length), 176043#(<= (+ main_offset 39444) main_length), 176040#(<= (+ main_offset 39456) main_length), 176041#(<= (+ main_offset 39452) main_length), 176046#(<= (+ main_offset 39432) main_length), 176047#(<= (+ main_offset 39428) main_length), 176044#(<= (+ main_offset 39440) main_length), 176045#(<= (+ main_offset 39436) main_length), 176050#(<= (+ main_offset 39416) main_length), 176051#(<= (+ main_offset 39412) main_length), 176048#(<= (+ main_offset 39424) main_length), 176049#(<= (+ main_offset 39420) main_length), 176054#(<= (+ main_offset 39400) main_length), 176055#(<= (+ main_offset 39396) main_length), 176052#(<= (+ main_offset 39408) main_length), 176053#(<= (+ main_offset 39404) main_length), 176058#(<= (+ main_offset 39384) main_length), 176059#(<= (+ main_offset 39380) main_length), 176056#(<= (+ main_offset 39392) main_length), 176057#(<= (+ main_offset 39388) main_length), 176062#(<= (+ main_offset 39368) main_length), 176063#(<= (+ main_offset 39364) main_length), 176060#(<= (+ main_offset 39376) main_length), 176061#(<= (+ main_offset 39372) main_length), 176066#(<= (+ main_offset 39352) main_length), 176067#(<= (+ main_offset 39348) main_length), 176064#(<= (+ main_offset 39360) main_length), 176065#(<= (+ main_offset 39356) main_length), 176070#(<= (+ main_offset 39336) main_length), 176071#(<= (+ main_offset 39332) main_length), 176068#(<= (+ main_offset 39344) main_length), 176069#(<= (+ main_offset 39340) main_length), 176074#(<= (+ main_offset 39320) main_length), 176075#(<= (+ main_offset 39316) main_length), 176072#(<= (+ main_offset 39328) main_length), 176073#(<= (+ main_offset 39324) main_length), 176078#(<= (+ main_offset 39304) main_length), 176079#(<= (+ main_offset 39300) main_length), 176076#(<= (+ main_offset 39312) main_length), 176077#(<= (+ main_offset 39308) main_length), 176082#(<= (+ main_offset 39288) main_length), 176083#(<= (+ main_offset 39284) main_length), 176080#(<= (+ main_offset 39296) main_length), 176081#(<= (+ main_offset 39292) main_length), 176086#(<= (+ main_offset 39272) main_length), 176087#(<= (+ main_offset 39268) main_length), 176084#(<= (+ main_offset 39280) main_length), 176085#(<= (+ main_offset 39276) main_length), 176090#(<= (+ main_offset 39256) main_length), 176091#(<= (+ main_offset 39252) main_length), 176088#(<= (+ main_offset 39264) main_length), 176089#(<= (+ main_offset 39260) main_length), 176094#(<= (+ main_offset 39240) main_length), 176095#(<= (+ main_offset 39236) main_length), 176092#(<= (+ main_offset 39248) main_length), 176093#(<= (+ main_offset 39244) main_length), 176098#(<= (+ main_offset 39224) main_length), 176099#(<= (+ main_offset 39220) main_length), 176096#(<= (+ main_offset 39232) main_length), 176097#(<= (+ main_offset 39228) main_length)] [2018-07-23 13:57:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 38220 backedges. 0 proven. 38220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:17,292 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:57:17,293 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:57:17,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:57:17,294 INFO L87 Difference]: Start difference. First operand 394 states and 394 transitions. Second operand 198 states. [2018-07-23 13:57:19,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:19,173 INFO L93 Difference]: Finished difference Result 397 states and 397 transitions. [2018-07-23 13:57:19,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:57:19,173 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 393 [2018-07-23 13:57:19,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:19,173 INFO L225 Difference]: With dead ends: 397 [2018-07-23 13:57:19,174 INFO L226 Difference]: Without dead ends: 396 [2018-07-23 13:57:19,174 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:57:19,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-07-23 13:57:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2018-07-23 13:57:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-07-23 13:57:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 396 transitions. [2018-07-23 13:57:19,179 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 396 transitions. Word has length 393 [2018-07-23 13:57:19,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:19,179 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 396 transitions. [2018-07-23 13:57:19,179 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:57:19,179 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 396 transitions. [2018-07-23 13:57:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-07-23 13:57:19,180 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:19,180 INFO L357 BasicCegarLoop]: trace histogram [197, 196, 1, 1] [2018-07-23 13:57:19,180 INFO L414 AbstractCegarLoop]: === Iteration 197 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:19,181 INFO L82 PathProgramCache]: Analyzing trace with hash 711775336, now seen corresponding path program 196 times [2018-07-23 13:57:19,181 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 38612 backedges. 0 proven. 38612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:20,717 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:20,717 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:57:20,718 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:20,718 INFO L185 omatonBuilderFactory]: Interpolants [177686#true, 177687#false, 177690#(<= (+ main_offset 39992) main_length), 177691#(<= (+ main_offset 39988) main_length), 177688#(<= (+ main_offset 40000) main_length), 177689#(<= (+ main_offset 39996) main_length), 177694#(<= (+ main_offset 39976) main_length), 177695#(<= (+ main_offset 39972) main_length), 177692#(<= (+ main_offset 39984) main_length), 177693#(<= (+ main_offset 39980) main_length), 177698#(<= (+ main_offset 39960) main_length), 177699#(<= (+ main_offset 39956) main_length), 177696#(<= (+ main_offset 39968) main_length), 177697#(<= (+ main_offset 39964) main_length), 177702#(<= (+ main_offset 39944) main_length), 177703#(<= (+ main_offset 39940) main_length), 177700#(<= (+ main_offset 39952) main_length), 177701#(<= (+ main_offset 39948) main_length), 177706#(<= (+ main_offset 39928) main_length), 177707#(<= (+ main_offset 39924) main_length), 177704#(<= (+ main_offset 39936) main_length), 177705#(<= (+ main_offset 39932) main_length), 177710#(<= (+ main_offset 39912) main_length), 177711#(<= (+ main_offset 39908) main_length), 177708#(<= (+ main_offset 39920) main_length), 177709#(<= (+ main_offset 39916) main_length), 177714#(<= (+ main_offset 39896) main_length), 177715#(<= (+ main_offset 39892) main_length), 177712#(<= (+ main_offset 39904) main_length), 177713#(<= (+ main_offset 39900) main_length), 177718#(<= (+ main_offset 39880) main_length), 177719#(<= (+ main_offset 39876) main_length), 177716#(<= (+ main_offset 39888) main_length), 177717#(<= (+ main_offset 39884) main_length), 177722#(<= (+ main_offset 39864) main_length), 177723#(<= (+ main_offset 39860) main_length), 177720#(<= (+ main_offset 39872) main_length), 177721#(<= (+ main_offset 39868) main_length), 177726#(<= (+ main_offset 39848) main_length), 177727#(<= (+ main_offset 39844) main_length), 177724#(<= (+ main_offset 39856) main_length), 177725#(<= (+ main_offset 39852) main_length), 177730#(<= (+ main_offset 39832) main_length), 177731#(<= (+ main_offset 39828) main_length), 177728#(<= (+ main_offset 39840) main_length), 177729#(<= (+ main_offset 39836) main_length), 177734#(<= (+ main_offset 39816) main_length), 177735#(<= (+ main_offset 39812) main_length), 177732#(<= (+ main_offset 39824) main_length), 177733#(<= (+ main_offset 39820) main_length), 177738#(<= (+ main_offset 39800) main_length), 177739#(<= (+ main_offset 39796) main_length), 177736#(<= (+ main_offset 39808) main_length), 177737#(<= (+ main_offset 39804) main_length), 177742#(<= (+ main_offset 39784) main_length), 177743#(<= (+ main_offset 39780) main_length), 177740#(<= (+ main_offset 39792) main_length), 177741#(<= (+ main_offset 39788) main_length), 177746#(<= (+ main_offset 39768) main_length), 177747#(<= (+ main_offset 39764) main_length), 177744#(<= (+ main_offset 39776) main_length), 177745#(<= (+ main_offset 39772) main_length), 177750#(<= (+ main_offset 39752) main_length), 177751#(<= (+ main_offset 39748) main_length), 177748#(<= (+ main_offset 39760) main_length), 177749#(<= (+ main_offset 39756) main_length), 177754#(<= (+ main_offset 39736) main_length), 177755#(<= (+ main_offset 39732) main_length), 177752#(<= (+ main_offset 39744) main_length), 177753#(<= (+ main_offset 39740) main_length), 177758#(<= (+ main_offset 39720) main_length), 177759#(<= (+ main_offset 39716) main_length), 177756#(<= (+ main_offset 39728) main_length), 177757#(<= (+ main_offset 39724) main_length), 177762#(<= (+ main_offset 39704) main_length), 177763#(<= (+ main_offset 39700) main_length), 177760#(<= (+ main_offset 39712) main_length), 177761#(<= (+ main_offset 39708) main_length), 177766#(<= (+ main_offset 39688) main_length), 177767#(<= (+ main_offset 39684) main_length), 177764#(<= (+ main_offset 39696) main_length), 177765#(<= (+ main_offset 39692) main_length), 177770#(<= (+ main_offset 39672) main_length), 177771#(<= (+ main_offset 39668) main_length), 177768#(<= (+ main_offset 39680) main_length), 177769#(<= (+ main_offset 39676) main_length), 177774#(<= (+ main_offset 39656) main_length), 177775#(<= (+ main_offset 39652) main_length), 177772#(<= (+ main_offset 39664) main_length), 177773#(<= (+ main_offset 39660) main_length), 177778#(<= (+ main_offset 39640) main_length), 177779#(<= (+ main_offset 39636) main_length), 177776#(<= (+ main_offset 39648) main_length), 177777#(<= (+ main_offset 39644) main_length), 177782#(<= (+ main_offset 39624) main_length), 177783#(<= (+ main_offset 39620) main_length), 177780#(<= (+ main_offset 39632) main_length), 177781#(<= (+ main_offset 39628) main_length), 177786#(<= (+ main_offset 39608) main_length), 177787#(<= (+ main_offset 39604) main_length), 177784#(<= (+ main_offset 39616) main_length), 177785#(<= (+ main_offset 39612) main_length), 177790#(<= (+ main_offset 39592) main_length), 177791#(<= (+ main_offset 39588) main_length), 177788#(<= (+ main_offset 39600) main_length), 177789#(<= (+ main_offset 39596) main_length), 177794#(<= (+ main_offset 39576) main_length), 177795#(<= (+ main_offset 39572) main_length), 177792#(<= (+ main_offset 39584) main_length), 177793#(<= (+ main_offset 39580) main_length), 177798#(<= (+ main_offset 39560) main_length), 177799#(<= (+ main_offset 39556) main_length), 177796#(<= (+ main_offset 39568) main_length), 177797#(<= (+ main_offset 39564) main_length), 177802#(<= (+ main_offset 39544) main_length), 177803#(<= (+ main_offset 39540) main_length), 177800#(<= (+ main_offset 39552) main_length), 177801#(<= (+ main_offset 39548) main_length), 177806#(<= (+ main_offset 39528) main_length), 177807#(<= (+ main_offset 39524) main_length), 177804#(<= (+ main_offset 39536) main_length), 177805#(<= (+ main_offset 39532) main_length), 177810#(<= (+ main_offset 39512) main_length), 177811#(<= (+ main_offset 39508) main_length), 177808#(<= (+ main_offset 39520) main_length), 177809#(<= (+ main_offset 39516) main_length), 177814#(<= (+ main_offset 39496) main_length), 177815#(<= (+ main_offset 39492) main_length), 177812#(<= (+ main_offset 39504) main_length), 177813#(<= (+ main_offset 39500) main_length), 177818#(<= (+ main_offset 39480) main_length), 177819#(<= (+ main_offset 39476) main_length), 177816#(<= (+ main_offset 39488) main_length), 177817#(<= (+ main_offset 39484) main_length), 177822#(<= (+ main_offset 39464) main_length), 177823#(<= (+ main_offset 39460) main_length), 177820#(<= (+ main_offset 39472) main_length), 177821#(<= (+ main_offset 39468) main_length), 177826#(<= (+ main_offset 39448) main_length), 177827#(<= (+ main_offset 39444) main_length), 177824#(<= (+ main_offset 39456) main_length), 177825#(<= (+ main_offset 39452) main_length), 177830#(<= (+ main_offset 39432) main_length), 177831#(<= (+ main_offset 39428) main_length), 177828#(<= (+ main_offset 39440) main_length), 177829#(<= (+ main_offset 39436) main_length), 177834#(<= (+ main_offset 39416) main_length), 177835#(<= (+ main_offset 39412) main_length), 177832#(<= (+ main_offset 39424) main_length), 177833#(<= (+ main_offset 39420) main_length), 177838#(<= (+ main_offset 39400) main_length), 177839#(<= (+ main_offset 39396) main_length), 177836#(<= (+ main_offset 39408) main_length), 177837#(<= (+ main_offset 39404) main_length), 177842#(<= (+ main_offset 39384) main_length), 177843#(<= (+ main_offset 39380) main_length), 177840#(<= (+ main_offset 39392) main_length), 177841#(<= (+ main_offset 39388) main_length), 177846#(<= (+ main_offset 39368) main_length), 177847#(<= (+ main_offset 39364) main_length), 177844#(<= (+ main_offset 39376) main_length), 177845#(<= (+ main_offset 39372) main_length), 177850#(<= (+ main_offset 39352) main_length), 177851#(<= (+ main_offset 39348) main_length), 177848#(<= (+ main_offset 39360) main_length), 177849#(<= (+ main_offset 39356) main_length), 177854#(<= (+ main_offset 39336) main_length), 177855#(<= (+ main_offset 39332) main_length), 177852#(<= (+ main_offset 39344) main_length), 177853#(<= (+ main_offset 39340) main_length), 177858#(<= (+ main_offset 39320) main_length), 177859#(<= (+ main_offset 39316) main_length), 177856#(<= (+ main_offset 39328) main_length), 177857#(<= (+ main_offset 39324) main_length), 177862#(<= (+ main_offset 39304) main_length), 177863#(<= (+ main_offset 39300) main_length), 177860#(<= (+ main_offset 39312) main_length), 177861#(<= (+ main_offset 39308) main_length), 177866#(<= (+ main_offset 39288) main_length), 177867#(<= (+ main_offset 39284) main_length), 177864#(<= (+ main_offset 39296) main_length), 177865#(<= (+ main_offset 39292) main_length), 177870#(<= (+ main_offset 39272) main_length), 177871#(<= (+ main_offset 39268) main_length), 177868#(<= (+ main_offset 39280) main_length), 177869#(<= (+ main_offset 39276) main_length), 177874#(<= (+ main_offset 39256) main_length), 177875#(<= (+ main_offset 39252) main_length), 177872#(<= (+ main_offset 39264) main_length), 177873#(<= (+ main_offset 39260) main_length), 177878#(<= (+ main_offset 39240) main_length), 177879#(<= (+ main_offset 39236) main_length), 177876#(<= (+ main_offset 39248) main_length), 177877#(<= (+ main_offset 39244) main_length), 177882#(<= (+ main_offset 39224) main_length), 177883#(<= (+ main_offset 39220) main_length), 177880#(<= (+ main_offset 39232) main_length), 177881#(<= (+ main_offset 39228) main_length), 177884#(<= (+ main_offset 39216) main_length)] [2018-07-23 13:57:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 38612 backedges. 0 proven. 38612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:20,720 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:57:20,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:57:20,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:57:20,724 INFO L87 Difference]: Start difference. First operand 396 states and 396 transitions. Second operand 199 states. [2018-07-23 13:57:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:22,769 INFO L93 Difference]: Finished difference Result 399 states and 399 transitions. [2018-07-23 13:57:22,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:57:22,769 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 395 [2018-07-23 13:57:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:22,770 INFO L225 Difference]: With dead ends: 399 [2018-07-23 13:57:22,770 INFO L226 Difference]: Without dead ends: 398 [2018-07-23 13:57:22,772 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:57:22,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2018-07-23 13:57:22,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2018-07-23 13:57:22,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-07-23 13:57:22,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 398 transitions. [2018-07-23 13:57:22,777 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 398 transitions. Word has length 395 [2018-07-23 13:57:22,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:22,777 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 398 transitions. [2018-07-23 13:57:22,777 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:57:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 398 transitions. [2018-07-23 13:57:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-07-23 13:57:22,778 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:22,778 INFO L357 BasicCegarLoop]: trace histogram [198, 197, 1, 1] [2018-07-23 13:57:22,778 INFO L414 AbstractCegarLoop]: === Iteration 198 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:22,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1116298922, now seen corresponding path program 197 times [2018-07-23 13:57:22,779 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:24,357 INFO L134 CoverageAnalysis]: Checked inductivity of 39006 backedges. 0 proven. 39006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:24,358 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:24,358 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:57:24,358 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:24,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:24,359 INFO L185 omatonBuilderFactory]: Interpolants [179479#true, 179482#(<= (+ main_offset 39996) main_length), 179483#(<= (+ main_offset 39992) main_length), 179480#false, 179481#(<= (+ main_offset 40000) main_length), 179486#(<= (+ main_offset 39980) main_length), 179487#(<= (+ main_offset 39976) main_length), 179484#(<= (+ main_offset 39988) main_length), 179485#(<= (+ main_offset 39984) main_length), 179490#(<= (+ main_offset 39964) main_length), 179491#(<= (+ main_offset 39960) main_length), 179488#(<= (+ main_offset 39972) main_length), 179489#(<= (+ main_offset 39968) main_length), 179494#(<= (+ main_offset 39948) main_length), 179495#(<= (+ main_offset 39944) main_length), 179492#(<= (+ main_offset 39956) main_length), 179493#(<= (+ main_offset 39952) main_length), 179498#(<= (+ main_offset 39932) main_length), 179499#(<= (+ main_offset 39928) main_length), 179496#(<= (+ main_offset 39940) main_length), 179497#(<= (+ main_offset 39936) main_length), 179502#(<= (+ main_offset 39916) main_length), 179503#(<= (+ main_offset 39912) main_length), 179500#(<= (+ main_offset 39924) main_length), 179501#(<= (+ main_offset 39920) main_length), 179506#(<= (+ main_offset 39900) main_length), 179507#(<= (+ main_offset 39896) main_length), 179504#(<= (+ main_offset 39908) main_length), 179505#(<= (+ main_offset 39904) main_length), 179510#(<= (+ main_offset 39884) main_length), 179511#(<= (+ main_offset 39880) main_length), 179508#(<= (+ main_offset 39892) main_length), 179509#(<= (+ main_offset 39888) main_length), 179514#(<= (+ main_offset 39868) main_length), 179515#(<= (+ main_offset 39864) main_length), 179512#(<= (+ main_offset 39876) main_length), 179513#(<= (+ main_offset 39872) main_length), 179518#(<= (+ main_offset 39852) main_length), 179519#(<= (+ main_offset 39848) main_length), 179516#(<= (+ main_offset 39860) main_length), 179517#(<= (+ main_offset 39856) main_length), 179522#(<= (+ main_offset 39836) main_length), 179523#(<= (+ main_offset 39832) main_length), 179520#(<= (+ main_offset 39844) main_length), 179521#(<= (+ main_offset 39840) main_length), 179526#(<= (+ main_offset 39820) main_length), 179527#(<= (+ main_offset 39816) main_length), 179524#(<= (+ main_offset 39828) main_length), 179525#(<= (+ main_offset 39824) main_length), 179530#(<= (+ main_offset 39804) main_length), 179531#(<= (+ main_offset 39800) main_length), 179528#(<= (+ main_offset 39812) main_length), 179529#(<= (+ main_offset 39808) main_length), 179534#(<= (+ main_offset 39788) main_length), 179535#(<= (+ main_offset 39784) main_length), 179532#(<= (+ main_offset 39796) main_length), 179533#(<= (+ main_offset 39792) main_length), 179538#(<= (+ main_offset 39772) main_length), 179539#(<= (+ main_offset 39768) main_length), 179536#(<= (+ main_offset 39780) main_length), 179537#(<= (+ main_offset 39776) main_length), 179542#(<= (+ main_offset 39756) main_length), 179543#(<= (+ main_offset 39752) main_length), 179540#(<= (+ main_offset 39764) main_length), 179541#(<= (+ main_offset 39760) main_length), 179546#(<= (+ main_offset 39740) main_length), 179547#(<= (+ main_offset 39736) main_length), 179544#(<= (+ main_offset 39748) main_length), 179545#(<= (+ main_offset 39744) main_length), 179550#(<= (+ main_offset 39724) main_length), 179551#(<= (+ main_offset 39720) main_length), 179548#(<= (+ main_offset 39732) main_length), 179549#(<= (+ main_offset 39728) main_length), 179554#(<= (+ main_offset 39708) main_length), 179555#(<= (+ main_offset 39704) main_length), 179552#(<= (+ main_offset 39716) main_length), 179553#(<= (+ main_offset 39712) main_length), 179558#(<= (+ main_offset 39692) main_length), 179559#(<= (+ main_offset 39688) main_length), 179556#(<= (+ main_offset 39700) main_length), 179557#(<= (+ main_offset 39696) main_length), 179562#(<= (+ main_offset 39676) main_length), 179563#(<= (+ main_offset 39672) main_length), 179560#(<= (+ main_offset 39684) main_length), 179561#(<= (+ main_offset 39680) main_length), 179566#(<= (+ main_offset 39660) main_length), 179567#(<= (+ main_offset 39656) main_length), 179564#(<= (+ main_offset 39668) main_length), 179565#(<= (+ main_offset 39664) main_length), 179570#(<= (+ main_offset 39644) main_length), 179571#(<= (+ main_offset 39640) main_length), 179568#(<= (+ main_offset 39652) main_length), 179569#(<= (+ main_offset 39648) main_length), 179574#(<= (+ main_offset 39628) main_length), 179575#(<= (+ main_offset 39624) main_length), 179572#(<= (+ main_offset 39636) main_length), 179573#(<= (+ main_offset 39632) main_length), 179578#(<= (+ main_offset 39612) main_length), 179579#(<= (+ main_offset 39608) main_length), 179576#(<= (+ main_offset 39620) main_length), 179577#(<= (+ main_offset 39616) main_length), 179582#(<= (+ main_offset 39596) main_length), 179583#(<= (+ main_offset 39592) main_length), 179580#(<= (+ main_offset 39604) main_length), 179581#(<= (+ main_offset 39600) main_length), 179586#(<= (+ main_offset 39580) main_length), 179587#(<= (+ main_offset 39576) main_length), 179584#(<= (+ main_offset 39588) main_length), 179585#(<= (+ main_offset 39584) main_length), 179590#(<= (+ main_offset 39564) main_length), 179591#(<= (+ main_offset 39560) main_length), 179588#(<= (+ main_offset 39572) main_length), 179589#(<= (+ main_offset 39568) main_length), 179594#(<= (+ main_offset 39548) main_length), 179595#(<= (+ main_offset 39544) main_length), 179592#(<= (+ main_offset 39556) main_length), 179593#(<= (+ main_offset 39552) main_length), 179598#(<= (+ main_offset 39532) main_length), 179599#(<= (+ main_offset 39528) main_length), 179596#(<= (+ main_offset 39540) main_length), 179597#(<= (+ main_offset 39536) main_length), 179602#(<= (+ main_offset 39516) main_length), 179603#(<= (+ main_offset 39512) main_length), 179600#(<= (+ main_offset 39524) main_length), 179601#(<= (+ main_offset 39520) main_length), 179606#(<= (+ main_offset 39500) main_length), 179607#(<= (+ main_offset 39496) main_length), 179604#(<= (+ main_offset 39508) main_length), 179605#(<= (+ main_offset 39504) main_length), 179610#(<= (+ main_offset 39484) main_length), 179611#(<= (+ main_offset 39480) main_length), 179608#(<= (+ main_offset 39492) main_length), 179609#(<= (+ main_offset 39488) main_length), 179614#(<= (+ main_offset 39468) main_length), 179615#(<= (+ main_offset 39464) main_length), 179612#(<= (+ main_offset 39476) main_length), 179613#(<= (+ main_offset 39472) main_length), 179618#(<= (+ main_offset 39452) main_length), 179619#(<= (+ main_offset 39448) main_length), 179616#(<= (+ main_offset 39460) main_length), 179617#(<= (+ main_offset 39456) main_length), 179622#(<= (+ main_offset 39436) main_length), 179623#(<= (+ main_offset 39432) main_length), 179620#(<= (+ main_offset 39444) main_length), 179621#(<= (+ main_offset 39440) main_length), 179626#(<= (+ main_offset 39420) main_length), 179627#(<= (+ main_offset 39416) main_length), 179624#(<= (+ main_offset 39428) main_length), 179625#(<= (+ main_offset 39424) main_length), 179630#(<= (+ main_offset 39404) main_length), 179631#(<= (+ main_offset 39400) main_length), 179628#(<= (+ main_offset 39412) main_length), 179629#(<= (+ main_offset 39408) main_length), 179634#(<= (+ main_offset 39388) main_length), 179635#(<= (+ main_offset 39384) main_length), 179632#(<= (+ main_offset 39396) main_length), 179633#(<= (+ main_offset 39392) main_length), 179638#(<= (+ main_offset 39372) main_length), 179639#(<= (+ main_offset 39368) main_length), 179636#(<= (+ main_offset 39380) main_length), 179637#(<= (+ main_offset 39376) main_length), 179642#(<= (+ main_offset 39356) main_length), 179643#(<= (+ main_offset 39352) main_length), 179640#(<= (+ main_offset 39364) main_length), 179641#(<= (+ main_offset 39360) main_length), 179646#(<= (+ main_offset 39340) main_length), 179647#(<= (+ main_offset 39336) main_length), 179644#(<= (+ main_offset 39348) main_length), 179645#(<= (+ main_offset 39344) main_length), 179650#(<= (+ main_offset 39324) main_length), 179651#(<= (+ main_offset 39320) main_length), 179648#(<= (+ main_offset 39332) main_length), 179649#(<= (+ main_offset 39328) main_length), 179654#(<= (+ main_offset 39308) main_length), 179655#(<= (+ main_offset 39304) main_length), 179652#(<= (+ main_offset 39316) main_length), 179653#(<= (+ main_offset 39312) main_length), 179658#(<= (+ main_offset 39292) main_length), 179659#(<= (+ main_offset 39288) main_length), 179656#(<= (+ main_offset 39300) main_length), 179657#(<= (+ main_offset 39296) main_length), 179662#(<= (+ main_offset 39276) main_length), 179663#(<= (+ main_offset 39272) main_length), 179660#(<= (+ main_offset 39284) main_length), 179661#(<= (+ main_offset 39280) main_length), 179666#(<= (+ main_offset 39260) main_length), 179667#(<= (+ main_offset 39256) main_length), 179664#(<= (+ main_offset 39268) main_length), 179665#(<= (+ main_offset 39264) main_length), 179670#(<= (+ main_offset 39244) main_length), 179671#(<= (+ main_offset 39240) main_length), 179668#(<= (+ main_offset 39252) main_length), 179669#(<= (+ main_offset 39248) main_length), 179674#(<= (+ main_offset 39228) main_length), 179675#(<= (+ main_offset 39224) main_length), 179672#(<= (+ main_offset 39236) main_length), 179673#(<= (+ main_offset 39232) main_length), 179678#(<= (+ main_offset 39212) main_length), 179676#(<= (+ main_offset 39220) main_length), 179677#(<= (+ main_offset 39216) main_length)] [2018-07-23 13:57:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 39006 backedges. 0 proven. 39006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:24,361 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:57:24,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:57:24,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:57:24,365 INFO L87 Difference]: Start difference. First operand 398 states and 398 transitions. Second operand 200 states. [2018-07-23 13:57:27,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:27,073 INFO L93 Difference]: Finished difference Result 401 states and 401 transitions. [2018-07-23 13:57:27,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:57:27,073 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 397 [2018-07-23 13:57:27,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:27,074 INFO L225 Difference]: With dead ends: 401 [2018-07-23 13:57:27,074 INFO L226 Difference]: Without dead ends: 400 [2018-07-23 13:57:27,076 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:57:27,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-07-23 13:57:27,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2018-07-23 13:57:27,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-07-23 13:57:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 400 transitions. [2018-07-23 13:57:27,081 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 400 transitions. Word has length 397 [2018-07-23 13:57:27,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:27,081 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 400 transitions. [2018-07-23 13:57:27,081 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:57:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 400 transitions. [2018-07-23 13:57:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-07-23 13:57:27,083 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:27,083 INFO L357 BasicCegarLoop]: trace histogram [199, 198, 1, 1] [2018-07-23 13:57:27,083 INFO L414 AbstractCegarLoop]: === Iteration 199 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:27,083 INFO L82 PathProgramCache]: Analyzing trace with hash -978558868, now seen corresponding path program 198 times [2018-07-23 13:57:27,083 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 39402 backedges. 0 proven. 39402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:28,887 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:28,887 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:57:28,887 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:28,888 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 13:57:28,888 INFO L185 omatonBuilderFactory]: Interpolants [181282#false, 181283#(<= (+ main_offset 40000) main_length), 181281#true, 181286#(<= (+ main_offset 39988) main_length), 181287#(<= (+ main_offset 39984) main_length), 181284#(<= (+ main_offset 39996) main_length), 181285#(<= (+ main_offset 39992) main_length), 181290#(<= (+ main_offset 39972) main_length), 181291#(<= (+ main_offset 39968) main_length), 181288#(<= (+ main_offset 39980) main_length), 181289#(<= (+ main_offset 39976) main_length), 181294#(<= (+ main_offset 39956) main_length), 181295#(<= (+ main_offset 39952) main_length), 181292#(<= (+ main_offset 39964) main_length), 181293#(<= (+ main_offset 39960) main_length), 181298#(<= (+ main_offset 39940) main_length), 181299#(<= (+ main_offset 39936) main_length), 181296#(<= (+ main_offset 39948) main_length), 181297#(<= (+ main_offset 39944) main_length), 181302#(<= (+ main_offset 39924) main_length), 181303#(<= (+ main_offset 39920) main_length), 181300#(<= (+ main_offset 39932) main_length), 181301#(<= (+ main_offset 39928) main_length), 181306#(<= (+ main_offset 39908) main_length), 181307#(<= (+ main_offset 39904) main_length), 181304#(<= (+ main_offset 39916) main_length), 181305#(<= (+ main_offset 39912) main_length), 181310#(<= (+ main_offset 39892) main_length), 181311#(<= (+ main_offset 39888) main_length), 181308#(<= (+ main_offset 39900) main_length), 181309#(<= (+ main_offset 39896) main_length), 181314#(<= (+ main_offset 39876) main_length), 181315#(<= (+ main_offset 39872) main_length), 181312#(<= (+ main_offset 39884) main_length), 181313#(<= (+ main_offset 39880) main_length), 181318#(<= (+ main_offset 39860) main_length), 181319#(<= (+ main_offset 39856) main_length), 181316#(<= (+ main_offset 39868) main_length), 181317#(<= (+ main_offset 39864) main_length), 181322#(<= (+ main_offset 39844) main_length), 181323#(<= (+ main_offset 39840) main_length), 181320#(<= (+ main_offset 39852) main_length), 181321#(<= (+ main_offset 39848) main_length), 181326#(<= (+ main_offset 39828) main_length), 181327#(<= (+ main_offset 39824) main_length), 181324#(<= (+ main_offset 39836) main_length), 181325#(<= (+ main_offset 39832) main_length), 181330#(<= (+ main_offset 39812) main_length), 181331#(<= (+ main_offset 39808) main_length), 181328#(<= (+ main_offset 39820) main_length), 181329#(<= (+ main_offset 39816) main_length), 181334#(<= (+ main_offset 39796) main_length), 181335#(<= (+ main_offset 39792) main_length), 181332#(<= (+ main_offset 39804) main_length), 181333#(<= (+ main_offset 39800) main_length), 181338#(<= (+ main_offset 39780) main_length), 181339#(<= (+ main_offset 39776) main_length), 181336#(<= (+ main_offset 39788) main_length), 181337#(<= (+ main_offset 39784) main_length), 181342#(<= (+ main_offset 39764) main_length), 181343#(<= (+ main_offset 39760) main_length), 181340#(<= (+ main_offset 39772) main_length), 181341#(<= (+ main_offset 39768) main_length), 181346#(<= (+ main_offset 39748) main_length), 181347#(<= (+ main_offset 39744) main_length), 181344#(<= (+ main_offset 39756) main_length), 181345#(<= (+ main_offset 39752) main_length), 181350#(<= (+ main_offset 39732) main_length), 181351#(<= (+ main_offset 39728) main_length), 181348#(<= (+ main_offset 39740) main_length), 181349#(<= (+ main_offset 39736) main_length), 181354#(<= (+ main_offset 39716) main_length), 181355#(<= (+ main_offset 39712) main_length), 181352#(<= (+ main_offset 39724) main_length), 181353#(<= (+ main_offset 39720) main_length), 181358#(<= (+ main_offset 39700) main_length), 181359#(<= (+ main_offset 39696) main_length), 181356#(<= (+ main_offset 39708) main_length), 181357#(<= (+ main_offset 39704) main_length), 181362#(<= (+ main_offset 39684) main_length), 181363#(<= (+ main_offset 39680) main_length), 181360#(<= (+ main_offset 39692) main_length), 181361#(<= (+ main_offset 39688) main_length), 181366#(<= (+ main_offset 39668) main_length), 181367#(<= (+ main_offset 39664) main_length), 181364#(<= (+ main_offset 39676) main_length), 181365#(<= (+ main_offset 39672) main_length), 181370#(<= (+ main_offset 39652) main_length), 181371#(<= (+ main_offset 39648) main_length), 181368#(<= (+ main_offset 39660) main_length), 181369#(<= (+ main_offset 39656) main_length), 181374#(<= (+ main_offset 39636) main_length), 181375#(<= (+ main_offset 39632) main_length), 181372#(<= (+ main_offset 39644) main_length), 181373#(<= (+ main_offset 39640) main_length), 181378#(<= (+ main_offset 39620) main_length), 181379#(<= (+ main_offset 39616) main_length), 181376#(<= (+ main_offset 39628) main_length), 181377#(<= (+ main_offset 39624) main_length), 181382#(<= (+ main_offset 39604) main_length), 181383#(<= (+ main_offset 39600) main_length), 181380#(<= (+ main_offset 39612) main_length), 181381#(<= (+ main_offset 39608) main_length), 181386#(<= (+ main_offset 39588) main_length), 181387#(<= (+ main_offset 39584) main_length), 181384#(<= (+ main_offset 39596) main_length), 181385#(<= (+ main_offset 39592) main_length), 181390#(<= (+ main_offset 39572) main_length), 181391#(<= (+ main_offset 39568) main_length), 181388#(<= (+ main_offset 39580) main_length), 181389#(<= (+ main_offset 39576) main_length), 181394#(<= (+ main_offset 39556) main_length), 181395#(<= (+ main_offset 39552) main_length), 181392#(<= (+ main_offset 39564) main_length), 181393#(<= (+ main_offset 39560) main_length), 181398#(<= (+ main_offset 39540) main_length), 181399#(<= (+ main_offset 39536) main_length), 181396#(<= (+ main_offset 39548) main_length), 181397#(<= (+ main_offset 39544) main_length), 181402#(<= (+ main_offset 39524) main_length), 181403#(<= (+ main_offset 39520) main_length), 181400#(<= (+ main_offset 39532) main_length), 181401#(<= (+ main_offset 39528) main_length), 181406#(<= (+ main_offset 39508) main_length), 181407#(<= (+ main_offset 39504) main_length), 181404#(<= (+ main_offset 39516) main_length), 181405#(<= (+ main_offset 39512) main_length), 181410#(<= (+ main_offset 39492) main_length), 181411#(<= (+ main_offset 39488) main_length), 181408#(<= (+ main_offset 39500) main_length), 181409#(<= (+ main_offset 39496) main_length), 181414#(<= (+ main_offset 39476) main_length), 181415#(<= (+ main_offset 39472) main_length), 181412#(<= (+ main_offset 39484) main_length), 181413#(<= (+ main_offset 39480) main_length), 181418#(<= (+ main_offset 39460) main_length), 181419#(<= (+ main_offset 39456) main_length), 181416#(<= (+ main_offset 39468) main_length), 181417#(<= (+ main_offset 39464) main_length), 181422#(<= (+ main_offset 39444) main_length), 181423#(<= (+ main_offset 39440) main_length), 181420#(<= (+ main_offset 39452) main_length), 181421#(<= (+ main_offset 39448) main_length), 181426#(<= (+ main_offset 39428) main_length), 181427#(<= (+ main_offset 39424) main_length), 181424#(<= (+ main_offset 39436) main_length), 181425#(<= (+ main_offset 39432) main_length), 181430#(<= (+ main_offset 39412) main_length), 181431#(<= (+ main_offset 39408) main_length), 181428#(<= (+ main_offset 39420) main_length), 181429#(<= (+ main_offset 39416) main_length), 181434#(<= (+ main_offset 39396) main_length), 181435#(<= (+ main_offset 39392) main_length), 181432#(<= (+ main_offset 39404) main_length), 181433#(<= (+ main_offset 39400) main_length), 181438#(<= (+ main_offset 39380) main_length), 181439#(<= (+ main_offset 39376) main_length), 181436#(<= (+ main_offset 39388) main_length), 181437#(<= (+ main_offset 39384) main_length), 181442#(<= (+ main_offset 39364) main_length), 181443#(<= (+ main_offset 39360) main_length), 181440#(<= (+ main_offset 39372) main_length), 181441#(<= (+ main_offset 39368) main_length), 181446#(<= (+ main_offset 39348) main_length), 181447#(<= (+ main_offset 39344) main_length), 181444#(<= (+ main_offset 39356) main_length), 181445#(<= (+ main_offset 39352) main_length), 181450#(<= (+ main_offset 39332) main_length), 181451#(<= (+ main_offset 39328) main_length), 181448#(<= (+ main_offset 39340) main_length), 181449#(<= (+ main_offset 39336) main_length), 181454#(<= (+ main_offset 39316) main_length), 181455#(<= (+ main_offset 39312) main_length), 181452#(<= (+ main_offset 39324) main_length), 181453#(<= (+ main_offset 39320) main_length), 181458#(<= (+ main_offset 39300) main_length), 181459#(<= (+ main_offset 39296) main_length), 181456#(<= (+ main_offset 39308) main_length), 181457#(<= (+ main_offset 39304) main_length), 181462#(<= (+ main_offset 39284) main_length), 181463#(<= (+ main_offset 39280) main_length), 181460#(<= (+ main_offset 39292) main_length), 181461#(<= (+ main_offset 39288) main_length), 181466#(<= (+ main_offset 39268) main_length), 181467#(<= (+ main_offset 39264) main_length), 181464#(<= (+ main_offset 39276) main_length), 181465#(<= (+ main_offset 39272) main_length), 181470#(<= (+ main_offset 39252) main_length), 181471#(<= (+ main_offset 39248) main_length), 181468#(<= (+ main_offset 39260) main_length), 181469#(<= (+ main_offset 39256) main_length), 181474#(<= (+ main_offset 39236) main_length), 181475#(<= (+ main_offset 39232) main_length), 181472#(<= (+ main_offset 39244) main_length), 181473#(<= (+ main_offset 39240) main_length), 181478#(<= (+ main_offset 39220) main_length), 181479#(<= (+ main_offset 39216) main_length), 181476#(<= (+ main_offset 39228) main_length), 181477#(<= (+ main_offset 39224) main_length), 181480#(<= (+ main_offset 39212) main_length), 181481#(<= (+ main_offset 39208) main_length)] [2018-07-23 13:57:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 39402 backedges. 0 proven. 39402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:28,889 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:57:28,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:57:28,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:57:28,892 INFO L87 Difference]: Start difference. First operand 400 states and 400 transitions. Second operand 201 states. [2018-07-23 13:57:31,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:31,384 INFO L93 Difference]: Finished difference Result 403 states and 403 transitions. [2018-07-23 13:57:31,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:57:31,384 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 399 [2018-07-23 13:57:31,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:31,385 INFO L225 Difference]: With dead ends: 403 [2018-07-23 13:57:31,385 INFO L226 Difference]: Without dead ends: 402 [2018-07-23 13:57:31,386 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:57:31,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-07-23 13:57:31,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2018-07-23 13:57:31,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2018-07-23 13:57:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 402 transitions. [2018-07-23 13:57:31,391 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 402 transitions. Word has length 399 [2018-07-23 13:57:31,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:31,391 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 402 transitions. [2018-07-23 13:57:31,391 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:57:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 402 transitions. [2018-07-23 13:57:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2018-07-23 13:57:31,392 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:31,392 INFO L357 BasicCegarLoop]: trace histogram [200, 199, 1, 1] [2018-07-23 13:57:31,393 INFO L414 AbstractCegarLoop]: === Iteration 200 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:31,393 INFO L82 PathProgramCache]: Analyzing trace with hash 202766766, now seen corresponding path program 199 times [2018-07-23 13:57:31,393 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 39800 backedges. 0 proven. 39800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:33,167 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:33,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:57:33,168 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:33,168 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 13:57:33,168 INFO L185 omatonBuilderFactory]: Interpolants [183094#(<= (+ main_offset 40000) main_length), 183095#(<= (+ main_offset 39996) main_length), 183092#true, 183093#false, 183098#(<= (+ main_offset 39984) main_length), 183099#(<= (+ main_offset 39980) main_length), 183096#(<= (+ main_offset 39992) main_length), 183097#(<= (+ main_offset 39988) main_length), 183102#(<= (+ main_offset 39968) main_length), 183103#(<= (+ main_offset 39964) main_length), 183100#(<= (+ main_offset 39976) main_length), 183101#(<= (+ main_offset 39972) main_length), 183106#(<= (+ main_offset 39952) main_length), 183107#(<= (+ main_offset 39948) main_length), 183104#(<= (+ main_offset 39960) main_length), 183105#(<= (+ main_offset 39956) main_length), 183110#(<= (+ main_offset 39936) main_length), 183111#(<= (+ main_offset 39932) main_length), 183108#(<= (+ main_offset 39944) main_length), 183109#(<= (+ main_offset 39940) main_length), 183114#(<= (+ main_offset 39920) main_length), 183115#(<= (+ main_offset 39916) main_length), 183112#(<= (+ main_offset 39928) main_length), 183113#(<= (+ main_offset 39924) main_length), 183118#(<= (+ main_offset 39904) main_length), 183119#(<= (+ main_offset 39900) main_length), 183116#(<= (+ main_offset 39912) main_length), 183117#(<= (+ main_offset 39908) main_length), 183122#(<= (+ main_offset 39888) main_length), 183123#(<= (+ main_offset 39884) main_length), 183120#(<= (+ main_offset 39896) main_length), 183121#(<= (+ main_offset 39892) main_length), 183126#(<= (+ main_offset 39872) main_length), 183127#(<= (+ main_offset 39868) main_length), 183124#(<= (+ main_offset 39880) main_length), 183125#(<= (+ main_offset 39876) main_length), 183130#(<= (+ main_offset 39856) main_length), 183131#(<= (+ main_offset 39852) main_length), 183128#(<= (+ main_offset 39864) main_length), 183129#(<= (+ main_offset 39860) main_length), 183134#(<= (+ main_offset 39840) main_length), 183135#(<= (+ main_offset 39836) main_length), 183132#(<= (+ main_offset 39848) main_length), 183133#(<= (+ main_offset 39844) main_length), 183138#(<= (+ main_offset 39824) main_length), 183139#(<= (+ main_offset 39820) main_length), 183136#(<= (+ main_offset 39832) main_length), 183137#(<= (+ main_offset 39828) main_length), 183142#(<= (+ main_offset 39808) main_length), 183143#(<= (+ main_offset 39804) main_length), 183140#(<= (+ main_offset 39816) main_length), 183141#(<= (+ main_offset 39812) main_length), 183146#(<= (+ main_offset 39792) main_length), 183147#(<= (+ main_offset 39788) main_length), 183144#(<= (+ main_offset 39800) main_length), 183145#(<= (+ main_offset 39796) main_length), 183150#(<= (+ main_offset 39776) main_length), 183151#(<= (+ main_offset 39772) main_length), 183148#(<= (+ main_offset 39784) main_length), 183149#(<= (+ main_offset 39780) main_length), 183154#(<= (+ main_offset 39760) main_length), 183155#(<= (+ main_offset 39756) main_length), 183152#(<= (+ main_offset 39768) main_length), 183153#(<= (+ main_offset 39764) main_length), 183158#(<= (+ main_offset 39744) main_length), 183159#(<= (+ main_offset 39740) main_length), 183156#(<= (+ main_offset 39752) main_length), 183157#(<= (+ main_offset 39748) main_length), 183162#(<= (+ main_offset 39728) main_length), 183163#(<= (+ main_offset 39724) main_length), 183160#(<= (+ main_offset 39736) main_length), 183161#(<= (+ main_offset 39732) main_length), 183166#(<= (+ main_offset 39712) main_length), 183167#(<= (+ main_offset 39708) main_length), 183164#(<= (+ main_offset 39720) main_length), 183165#(<= (+ main_offset 39716) main_length), 183170#(<= (+ main_offset 39696) main_length), 183171#(<= (+ main_offset 39692) main_length), 183168#(<= (+ main_offset 39704) main_length), 183169#(<= (+ main_offset 39700) main_length), 183174#(<= (+ main_offset 39680) main_length), 183175#(<= (+ main_offset 39676) main_length), 183172#(<= (+ main_offset 39688) main_length), 183173#(<= (+ main_offset 39684) main_length), 183178#(<= (+ main_offset 39664) main_length), 183179#(<= (+ main_offset 39660) main_length), 183176#(<= (+ main_offset 39672) main_length), 183177#(<= (+ main_offset 39668) main_length), 183182#(<= (+ main_offset 39648) main_length), 183183#(<= (+ main_offset 39644) main_length), 183180#(<= (+ main_offset 39656) main_length), 183181#(<= (+ main_offset 39652) main_length), 183186#(<= (+ main_offset 39632) main_length), 183187#(<= (+ main_offset 39628) main_length), 183184#(<= (+ main_offset 39640) main_length), 183185#(<= (+ main_offset 39636) main_length), 183190#(<= (+ main_offset 39616) main_length), 183191#(<= (+ main_offset 39612) main_length), 183188#(<= (+ main_offset 39624) main_length), 183189#(<= (+ main_offset 39620) main_length), 183194#(<= (+ main_offset 39600) main_length), 183195#(<= (+ main_offset 39596) main_length), 183192#(<= (+ main_offset 39608) main_length), 183193#(<= (+ main_offset 39604) main_length), 183198#(<= (+ main_offset 39584) main_length), 183199#(<= (+ main_offset 39580) main_length), 183196#(<= (+ main_offset 39592) main_length), 183197#(<= (+ main_offset 39588) main_length), 183202#(<= (+ main_offset 39568) main_length), 183203#(<= (+ main_offset 39564) main_length), 183200#(<= (+ main_offset 39576) main_length), 183201#(<= (+ main_offset 39572) main_length), 183206#(<= (+ main_offset 39552) main_length), 183207#(<= (+ main_offset 39548) main_length), 183204#(<= (+ main_offset 39560) main_length), 183205#(<= (+ main_offset 39556) main_length), 183210#(<= (+ main_offset 39536) main_length), 183211#(<= (+ main_offset 39532) main_length), 183208#(<= (+ main_offset 39544) main_length), 183209#(<= (+ main_offset 39540) main_length), 183214#(<= (+ main_offset 39520) main_length), 183215#(<= (+ main_offset 39516) main_length), 183212#(<= (+ main_offset 39528) main_length), 183213#(<= (+ main_offset 39524) main_length), 183218#(<= (+ main_offset 39504) main_length), 183219#(<= (+ main_offset 39500) main_length), 183216#(<= (+ main_offset 39512) main_length), 183217#(<= (+ main_offset 39508) main_length), 183222#(<= (+ main_offset 39488) main_length), 183223#(<= (+ main_offset 39484) main_length), 183220#(<= (+ main_offset 39496) main_length), 183221#(<= (+ main_offset 39492) main_length), 183226#(<= (+ main_offset 39472) main_length), 183227#(<= (+ main_offset 39468) main_length), 183224#(<= (+ main_offset 39480) main_length), 183225#(<= (+ main_offset 39476) main_length), 183230#(<= (+ main_offset 39456) main_length), 183231#(<= (+ main_offset 39452) main_length), 183228#(<= (+ main_offset 39464) main_length), 183229#(<= (+ main_offset 39460) main_length), 183234#(<= (+ main_offset 39440) main_length), 183235#(<= (+ main_offset 39436) main_length), 183232#(<= (+ main_offset 39448) main_length), 183233#(<= (+ main_offset 39444) main_length), 183238#(<= (+ main_offset 39424) main_length), 183239#(<= (+ main_offset 39420) main_length), 183236#(<= (+ main_offset 39432) main_length), 183237#(<= (+ main_offset 39428) main_length), 183242#(<= (+ main_offset 39408) main_length), 183243#(<= (+ main_offset 39404) main_length), 183240#(<= (+ main_offset 39416) main_length), 183241#(<= (+ main_offset 39412) main_length), 183246#(<= (+ main_offset 39392) main_length), 183247#(<= (+ main_offset 39388) main_length), 183244#(<= (+ main_offset 39400) main_length), 183245#(<= (+ main_offset 39396) main_length), 183250#(<= (+ main_offset 39376) main_length), 183251#(<= (+ main_offset 39372) main_length), 183248#(<= (+ main_offset 39384) main_length), 183249#(<= (+ main_offset 39380) main_length), 183254#(<= (+ main_offset 39360) main_length), 183255#(<= (+ main_offset 39356) main_length), 183252#(<= (+ main_offset 39368) main_length), 183253#(<= (+ main_offset 39364) main_length), 183258#(<= (+ main_offset 39344) main_length), 183259#(<= (+ main_offset 39340) main_length), 183256#(<= (+ main_offset 39352) main_length), 183257#(<= (+ main_offset 39348) main_length), 183262#(<= (+ main_offset 39328) main_length), 183263#(<= (+ main_offset 39324) main_length), 183260#(<= (+ main_offset 39336) main_length), 183261#(<= (+ main_offset 39332) main_length), 183266#(<= (+ main_offset 39312) main_length), 183267#(<= (+ main_offset 39308) main_length), 183264#(<= (+ main_offset 39320) main_length), 183265#(<= (+ main_offset 39316) main_length), 183270#(<= (+ main_offset 39296) main_length), 183271#(<= (+ main_offset 39292) main_length), 183268#(<= (+ main_offset 39304) main_length), 183269#(<= (+ main_offset 39300) main_length), 183274#(<= (+ main_offset 39280) main_length), 183275#(<= (+ main_offset 39276) main_length), 183272#(<= (+ main_offset 39288) main_length), 183273#(<= (+ main_offset 39284) main_length), 183278#(<= (+ main_offset 39264) main_length), 183279#(<= (+ main_offset 39260) main_length), 183276#(<= (+ main_offset 39272) main_length), 183277#(<= (+ main_offset 39268) main_length), 183282#(<= (+ main_offset 39248) main_length), 183283#(<= (+ main_offset 39244) main_length), 183280#(<= (+ main_offset 39256) main_length), 183281#(<= (+ main_offset 39252) main_length), 183286#(<= (+ main_offset 39232) main_length), 183287#(<= (+ main_offset 39228) main_length), 183284#(<= (+ main_offset 39240) main_length), 183285#(<= (+ main_offset 39236) main_length), 183290#(<= (+ main_offset 39216) main_length), 183291#(<= (+ main_offset 39212) main_length), 183288#(<= (+ main_offset 39224) main_length), 183289#(<= (+ main_offset 39220) main_length), 183292#(<= (+ main_offset 39208) main_length), 183293#(<= (+ main_offset 39204) main_length)] [2018-07-23 13:57:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 39800 backedges. 0 proven. 39800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:33,171 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:57:33,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:57:33,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:57:33,175 INFO L87 Difference]: Start difference. First operand 402 states and 402 transitions. Second operand 202 states. [2018-07-23 13:57:35,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:35,242 INFO L93 Difference]: Finished difference Result 405 states and 405 transitions. [2018-07-23 13:57:35,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:57:35,242 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 401 [2018-07-23 13:57:35,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:35,243 INFO L225 Difference]: With dead ends: 405 [2018-07-23 13:57:35,243 INFO L226 Difference]: Without dead ends: 404 [2018-07-23 13:57:35,245 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:57:35,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-07-23 13:57:35,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2018-07-23 13:57:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2018-07-23 13:57:35,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 404 transitions. [2018-07-23 13:57:35,249 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 404 transitions. Word has length 401 [2018-07-23 13:57:35,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:35,249 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 404 transitions. [2018-07-23 13:57:35,250 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:57:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 404 transitions. [2018-07-23 13:57:35,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-07-23 13:57:35,251 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:35,251 INFO L357 BasicCegarLoop]: trace histogram [201, 200, 1, 1] [2018-07-23 13:57:35,251 INFO L414 AbstractCegarLoop]: === Iteration 201 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:35,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1585334896, now seen corresponding path program 200 times [2018-07-23 13:57:35,251 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 40200 backedges. 0 proven. 40200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:36,784 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:36,784 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:57:36,785 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:36,785 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 13:57:36,785 INFO L185 omatonBuilderFactory]: Interpolants [184914#(<= (+ main_offset 40000) main_length), 184915#(<= (+ main_offset 39996) main_length), 184912#true, 184913#false, 184918#(<= (+ main_offset 39984) main_length), 184919#(<= (+ main_offset 39980) main_length), 184916#(<= (+ main_offset 39992) main_length), 184917#(<= (+ main_offset 39988) main_length), 184922#(<= (+ main_offset 39968) main_length), 184923#(<= (+ main_offset 39964) main_length), 184920#(<= (+ main_offset 39976) main_length), 184921#(<= (+ main_offset 39972) main_length), 184926#(<= (+ main_offset 39952) main_length), 184927#(<= (+ main_offset 39948) main_length), 184924#(<= (+ main_offset 39960) main_length), 184925#(<= (+ main_offset 39956) main_length), 184930#(<= (+ main_offset 39936) main_length), 184931#(<= (+ main_offset 39932) main_length), 184928#(<= (+ main_offset 39944) main_length), 184929#(<= (+ main_offset 39940) main_length), 184934#(<= (+ main_offset 39920) main_length), 184935#(<= (+ main_offset 39916) main_length), 184932#(<= (+ main_offset 39928) main_length), 184933#(<= (+ main_offset 39924) main_length), 184938#(<= (+ main_offset 39904) main_length), 184939#(<= (+ main_offset 39900) main_length), 184936#(<= (+ main_offset 39912) main_length), 184937#(<= (+ main_offset 39908) main_length), 184942#(<= (+ main_offset 39888) main_length), 184943#(<= (+ main_offset 39884) main_length), 184940#(<= (+ main_offset 39896) main_length), 184941#(<= (+ main_offset 39892) main_length), 184946#(<= (+ main_offset 39872) main_length), 184947#(<= (+ main_offset 39868) main_length), 184944#(<= (+ main_offset 39880) main_length), 184945#(<= (+ main_offset 39876) main_length), 184950#(<= (+ main_offset 39856) main_length), 184951#(<= (+ main_offset 39852) main_length), 184948#(<= (+ main_offset 39864) main_length), 184949#(<= (+ main_offset 39860) main_length), 184954#(<= (+ main_offset 39840) main_length), 184955#(<= (+ main_offset 39836) main_length), 184952#(<= (+ main_offset 39848) main_length), 184953#(<= (+ main_offset 39844) main_length), 184958#(<= (+ main_offset 39824) main_length), 184959#(<= (+ main_offset 39820) main_length), 184956#(<= (+ main_offset 39832) main_length), 184957#(<= (+ main_offset 39828) main_length), 184962#(<= (+ main_offset 39808) main_length), 184963#(<= (+ main_offset 39804) main_length), 184960#(<= (+ main_offset 39816) main_length), 184961#(<= (+ main_offset 39812) main_length), 184966#(<= (+ main_offset 39792) main_length), 184967#(<= (+ main_offset 39788) main_length), 184964#(<= (+ main_offset 39800) main_length), 184965#(<= (+ main_offset 39796) main_length), 184970#(<= (+ main_offset 39776) main_length), 184971#(<= (+ main_offset 39772) main_length), 184968#(<= (+ main_offset 39784) main_length), 184969#(<= (+ main_offset 39780) main_length), 184974#(<= (+ main_offset 39760) main_length), 184975#(<= (+ main_offset 39756) main_length), 184972#(<= (+ main_offset 39768) main_length), 184973#(<= (+ main_offset 39764) main_length), 184978#(<= (+ main_offset 39744) main_length), 184979#(<= (+ main_offset 39740) main_length), 184976#(<= (+ main_offset 39752) main_length), 184977#(<= (+ main_offset 39748) main_length), 184982#(<= (+ main_offset 39728) main_length), 184983#(<= (+ main_offset 39724) main_length), 184980#(<= (+ main_offset 39736) main_length), 184981#(<= (+ main_offset 39732) main_length), 184986#(<= (+ main_offset 39712) main_length), 184987#(<= (+ main_offset 39708) main_length), 184984#(<= (+ main_offset 39720) main_length), 184985#(<= (+ main_offset 39716) main_length), 184990#(<= (+ main_offset 39696) main_length), 184991#(<= (+ main_offset 39692) main_length), 184988#(<= (+ main_offset 39704) main_length), 184989#(<= (+ main_offset 39700) main_length), 184994#(<= (+ main_offset 39680) main_length), 184995#(<= (+ main_offset 39676) main_length), 184992#(<= (+ main_offset 39688) main_length), 184993#(<= (+ main_offset 39684) main_length), 184998#(<= (+ main_offset 39664) main_length), 184999#(<= (+ main_offset 39660) main_length), 184996#(<= (+ main_offset 39672) main_length), 184997#(<= (+ main_offset 39668) main_length), 185002#(<= (+ main_offset 39648) main_length), 185003#(<= (+ main_offset 39644) main_length), 185000#(<= (+ main_offset 39656) main_length), 185001#(<= (+ main_offset 39652) main_length), 185006#(<= (+ main_offset 39632) main_length), 185007#(<= (+ main_offset 39628) main_length), 185004#(<= (+ main_offset 39640) main_length), 185005#(<= (+ main_offset 39636) main_length), 185010#(<= (+ main_offset 39616) main_length), 185011#(<= (+ main_offset 39612) main_length), 185008#(<= (+ main_offset 39624) main_length), 185009#(<= (+ main_offset 39620) main_length), 185014#(<= (+ main_offset 39600) main_length), 185015#(<= (+ main_offset 39596) main_length), 185012#(<= (+ main_offset 39608) main_length), 185013#(<= (+ main_offset 39604) main_length), 185018#(<= (+ main_offset 39584) main_length), 185019#(<= (+ main_offset 39580) main_length), 185016#(<= (+ main_offset 39592) main_length), 185017#(<= (+ main_offset 39588) main_length), 185022#(<= (+ main_offset 39568) main_length), 185023#(<= (+ main_offset 39564) main_length), 185020#(<= (+ main_offset 39576) main_length), 185021#(<= (+ main_offset 39572) main_length), 185026#(<= (+ main_offset 39552) main_length), 185027#(<= (+ main_offset 39548) main_length), 185024#(<= (+ main_offset 39560) main_length), 185025#(<= (+ main_offset 39556) main_length), 185030#(<= (+ main_offset 39536) main_length), 185031#(<= (+ main_offset 39532) main_length), 185028#(<= (+ main_offset 39544) main_length), 185029#(<= (+ main_offset 39540) main_length), 185034#(<= (+ main_offset 39520) main_length), 185035#(<= (+ main_offset 39516) main_length), 185032#(<= (+ main_offset 39528) main_length), 185033#(<= (+ main_offset 39524) main_length), 185038#(<= (+ main_offset 39504) main_length), 185039#(<= (+ main_offset 39500) main_length), 185036#(<= (+ main_offset 39512) main_length), 185037#(<= (+ main_offset 39508) main_length), 185042#(<= (+ main_offset 39488) main_length), 185043#(<= (+ main_offset 39484) main_length), 185040#(<= (+ main_offset 39496) main_length), 185041#(<= (+ main_offset 39492) main_length), 185046#(<= (+ main_offset 39472) main_length), 185047#(<= (+ main_offset 39468) main_length), 185044#(<= (+ main_offset 39480) main_length), 185045#(<= (+ main_offset 39476) main_length), 185050#(<= (+ main_offset 39456) main_length), 185051#(<= (+ main_offset 39452) main_length), 185048#(<= (+ main_offset 39464) main_length), 185049#(<= (+ main_offset 39460) main_length), 185054#(<= (+ main_offset 39440) main_length), 185055#(<= (+ main_offset 39436) main_length), 185052#(<= (+ main_offset 39448) main_length), 185053#(<= (+ main_offset 39444) main_length), 185058#(<= (+ main_offset 39424) main_length), 185059#(<= (+ main_offset 39420) main_length), 185056#(<= (+ main_offset 39432) main_length), 185057#(<= (+ main_offset 39428) main_length), 185062#(<= (+ main_offset 39408) main_length), 185063#(<= (+ main_offset 39404) main_length), 185060#(<= (+ main_offset 39416) main_length), 185061#(<= (+ main_offset 39412) main_length), 185066#(<= (+ main_offset 39392) main_length), 185067#(<= (+ main_offset 39388) main_length), 185064#(<= (+ main_offset 39400) main_length), 185065#(<= (+ main_offset 39396) main_length), 185070#(<= (+ main_offset 39376) main_length), 185071#(<= (+ main_offset 39372) main_length), 185068#(<= (+ main_offset 39384) main_length), 185069#(<= (+ main_offset 39380) main_length), 185074#(<= (+ main_offset 39360) main_length), 185075#(<= (+ main_offset 39356) main_length), 185072#(<= (+ main_offset 39368) main_length), 185073#(<= (+ main_offset 39364) main_length), 185078#(<= (+ main_offset 39344) main_length), 185079#(<= (+ main_offset 39340) main_length), 185076#(<= (+ main_offset 39352) main_length), 185077#(<= (+ main_offset 39348) main_length), 185082#(<= (+ main_offset 39328) main_length), 185083#(<= (+ main_offset 39324) main_length), 185080#(<= (+ main_offset 39336) main_length), 185081#(<= (+ main_offset 39332) main_length), 185086#(<= (+ main_offset 39312) main_length), 185087#(<= (+ main_offset 39308) main_length), 185084#(<= (+ main_offset 39320) main_length), 185085#(<= (+ main_offset 39316) main_length), 185090#(<= (+ main_offset 39296) main_length), 185091#(<= (+ main_offset 39292) main_length), 185088#(<= (+ main_offset 39304) main_length), 185089#(<= (+ main_offset 39300) main_length), 185094#(<= (+ main_offset 39280) main_length), 185095#(<= (+ main_offset 39276) main_length), 185092#(<= (+ main_offset 39288) main_length), 185093#(<= (+ main_offset 39284) main_length), 185098#(<= (+ main_offset 39264) main_length), 185099#(<= (+ main_offset 39260) main_length), 185096#(<= (+ main_offset 39272) main_length), 185097#(<= (+ main_offset 39268) main_length), 185102#(<= (+ main_offset 39248) main_length), 185103#(<= (+ main_offset 39244) main_length), 185100#(<= (+ main_offset 39256) main_length), 185101#(<= (+ main_offset 39252) main_length), 185106#(<= (+ main_offset 39232) main_length), 185107#(<= (+ main_offset 39228) main_length), 185104#(<= (+ main_offset 39240) main_length), 185105#(<= (+ main_offset 39236) main_length), 185110#(<= (+ main_offset 39216) main_length), 185111#(<= (+ main_offset 39212) main_length), 185108#(<= (+ main_offset 39224) main_length), 185109#(<= (+ main_offset 39220) main_length), 185114#(<= (+ main_offset 39200) main_length), 185112#(<= (+ main_offset 39208) main_length), 185113#(<= (+ main_offset 39204) main_length)] [2018-07-23 13:57:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 40200 backedges. 0 proven. 40200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:36,787 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:57:36,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:57:36,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:57:36,791 INFO L87 Difference]: Start difference. First operand 404 states and 404 transitions. Second operand 203 states. [2018-07-23 13:57:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:38,354 INFO L93 Difference]: Finished difference Result 407 states and 407 transitions. [2018-07-23 13:57:38,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:57:38,354 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 403 [2018-07-23 13:57:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:38,355 INFO L225 Difference]: With dead ends: 407 [2018-07-23 13:57:38,355 INFO L226 Difference]: Without dead ends: 406 [2018-07-23 13:57:38,357 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:57:38,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-07-23 13:57:38,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2018-07-23 13:57:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2018-07-23 13:57:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 406 transitions. [2018-07-23 13:57:38,362 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 406 transitions. Word has length 403 [2018-07-23 13:57:38,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:38,362 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 406 transitions. [2018-07-23 13:57:38,362 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:57:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 406 transitions. [2018-07-23 13:57:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-07-23 13:57:38,363 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:38,363 INFO L357 BasicCegarLoop]: trace histogram [202, 201, 1, 1] [2018-07-23 13:57:38,364 INFO L414 AbstractCegarLoop]: === Iteration 202 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:38,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1206553934, now seen corresponding path program 201 times [2018-07-23 13:57:38,364 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 40602 backedges. 0 proven. 40602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:39,940 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:39,940 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:57:39,940 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:39,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:39,941 INFO L185 omatonBuilderFactory]: Interpolants [186882#(<= (+ main_offset 39444) main_length), 186883#(<= (+ main_offset 39440) main_length), 186880#(<= (+ main_offset 39452) main_length), 186881#(<= (+ main_offset 39448) main_length), 186886#(<= (+ main_offset 39428) main_length), 186887#(<= (+ main_offset 39424) main_length), 186884#(<= (+ main_offset 39436) main_length), 186885#(<= (+ main_offset 39432) main_length), 186890#(<= (+ main_offset 39412) main_length), 186891#(<= (+ main_offset 39408) main_length), 186888#(<= (+ main_offset 39420) main_length), 186889#(<= (+ main_offset 39416) main_length), 186894#(<= (+ main_offset 39396) main_length), 186895#(<= (+ main_offset 39392) main_length), 186892#(<= (+ main_offset 39404) main_length), 186893#(<= (+ main_offset 39400) main_length), 186898#(<= (+ main_offset 39380) main_length), 186899#(<= (+ main_offset 39376) main_length), 186896#(<= (+ main_offset 39388) main_length), 186897#(<= (+ main_offset 39384) main_length), 186902#(<= (+ main_offset 39364) main_length), 186903#(<= (+ main_offset 39360) main_length), 186900#(<= (+ main_offset 39372) main_length), 186901#(<= (+ main_offset 39368) main_length), 186906#(<= (+ main_offset 39348) main_length), 186907#(<= (+ main_offset 39344) main_length), 186904#(<= (+ main_offset 39356) main_length), 186905#(<= (+ main_offset 39352) main_length), 186910#(<= (+ main_offset 39332) main_length), 186911#(<= (+ main_offset 39328) main_length), 186908#(<= (+ main_offset 39340) main_length), 186909#(<= (+ main_offset 39336) main_length), 186914#(<= (+ main_offset 39316) main_length), 186915#(<= (+ main_offset 39312) main_length), 186912#(<= (+ main_offset 39324) main_length), 186913#(<= (+ main_offset 39320) main_length), 186918#(<= (+ main_offset 39300) main_length), 186919#(<= (+ main_offset 39296) main_length), 186916#(<= (+ main_offset 39308) main_length), 186917#(<= (+ main_offset 39304) main_length), 186922#(<= (+ main_offset 39284) main_length), 186923#(<= (+ main_offset 39280) main_length), 186920#(<= (+ main_offset 39292) main_length), 186921#(<= (+ main_offset 39288) main_length), 186926#(<= (+ main_offset 39268) main_length), 186927#(<= (+ main_offset 39264) main_length), 186924#(<= (+ main_offset 39276) main_length), 186925#(<= (+ main_offset 39272) main_length), 186930#(<= (+ main_offset 39252) main_length), 186931#(<= (+ main_offset 39248) main_length), 186928#(<= (+ main_offset 39260) main_length), 186929#(<= (+ main_offset 39256) main_length), 186934#(<= (+ main_offset 39236) main_length), 186935#(<= (+ main_offset 39232) main_length), 186932#(<= (+ main_offset 39244) main_length), 186933#(<= (+ main_offset 39240) main_length), 186938#(<= (+ main_offset 39220) main_length), 186939#(<= (+ main_offset 39216) main_length), 186936#(<= (+ main_offset 39228) main_length), 186937#(<= (+ main_offset 39224) main_length), 186942#(<= (+ main_offset 39204) main_length), 186943#(<= (+ main_offset 39200) main_length), 186940#(<= (+ main_offset 39212) main_length), 186941#(<= (+ main_offset 39208) main_length), 186944#(<= (+ main_offset 39196) main_length), 186742#false, 186743#(<= (+ main_offset 40000) main_length), 186741#true, 186746#(<= (+ main_offset 39988) main_length), 186747#(<= (+ main_offset 39984) main_length), 186744#(<= (+ main_offset 39996) main_length), 186745#(<= (+ main_offset 39992) main_length), 186750#(<= (+ main_offset 39972) main_length), 186751#(<= (+ main_offset 39968) main_length), 186748#(<= (+ main_offset 39980) main_length), 186749#(<= (+ main_offset 39976) main_length), 186754#(<= (+ main_offset 39956) main_length), 186755#(<= (+ main_offset 39952) main_length), 186752#(<= (+ main_offset 39964) main_length), 186753#(<= (+ main_offset 39960) main_length), 186758#(<= (+ main_offset 39940) main_length), 186759#(<= (+ main_offset 39936) main_length), 186756#(<= (+ main_offset 39948) main_length), 186757#(<= (+ main_offset 39944) main_length), 186762#(<= (+ main_offset 39924) main_length), 186763#(<= (+ main_offset 39920) main_length), 186760#(<= (+ main_offset 39932) main_length), 186761#(<= (+ main_offset 39928) main_length), 186766#(<= (+ main_offset 39908) main_length), 186767#(<= (+ main_offset 39904) main_length), 186764#(<= (+ main_offset 39916) main_length), 186765#(<= (+ main_offset 39912) main_length), 186770#(<= (+ main_offset 39892) main_length), 186771#(<= (+ main_offset 39888) main_length), 186768#(<= (+ main_offset 39900) main_length), 186769#(<= (+ main_offset 39896) main_length), 186774#(<= (+ main_offset 39876) main_length), 186775#(<= (+ main_offset 39872) main_length), 186772#(<= (+ main_offset 39884) main_length), 186773#(<= (+ main_offset 39880) main_length), 186778#(<= (+ main_offset 39860) main_length), 186779#(<= (+ main_offset 39856) main_length), 186776#(<= (+ main_offset 39868) main_length), 186777#(<= (+ main_offset 39864) main_length), 186782#(<= (+ main_offset 39844) main_length), 186783#(<= (+ main_offset 39840) main_length), 186780#(<= (+ main_offset 39852) main_length), 186781#(<= (+ main_offset 39848) main_length), 186786#(<= (+ main_offset 39828) main_length), 186787#(<= (+ main_offset 39824) main_length), 186784#(<= (+ main_offset 39836) main_length), 186785#(<= (+ main_offset 39832) main_length), 186790#(<= (+ main_offset 39812) main_length), 186791#(<= (+ main_offset 39808) main_length), 186788#(<= (+ main_offset 39820) main_length), 186789#(<= (+ main_offset 39816) main_length), 186794#(<= (+ main_offset 39796) main_length), 186795#(<= (+ main_offset 39792) main_length), 186792#(<= (+ main_offset 39804) main_length), 186793#(<= (+ main_offset 39800) main_length), 186798#(<= (+ main_offset 39780) main_length), 186799#(<= (+ main_offset 39776) main_length), 186796#(<= (+ main_offset 39788) main_length), 186797#(<= (+ main_offset 39784) main_length), 186802#(<= (+ main_offset 39764) main_length), 186803#(<= (+ main_offset 39760) main_length), 186800#(<= (+ main_offset 39772) main_length), 186801#(<= (+ main_offset 39768) main_length), 186806#(<= (+ main_offset 39748) main_length), 186807#(<= (+ main_offset 39744) main_length), 186804#(<= (+ main_offset 39756) main_length), 186805#(<= (+ main_offset 39752) main_length), 186810#(<= (+ main_offset 39732) main_length), 186811#(<= (+ main_offset 39728) main_length), 186808#(<= (+ main_offset 39740) main_length), 186809#(<= (+ main_offset 39736) main_length), 186814#(<= (+ main_offset 39716) main_length), 186815#(<= (+ main_offset 39712) main_length), 186812#(<= (+ main_offset 39724) main_length), 186813#(<= (+ main_offset 39720) main_length), 186818#(<= (+ main_offset 39700) main_length), 186819#(<= (+ main_offset 39696) main_length), 186816#(<= (+ main_offset 39708) main_length), 186817#(<= (+ main_offset 39704) main_length), 186822#(<= (+ main_offset 39684) main_length), 186823#(<= (+ main_offset 39680) main_length), 186820#(<= (+ main_offset 39692) main_length), 186821#(<= (+ main_offset 39688) main_length), 186826#(<= (+ main_offset 39668) main_length), 186827#(<= (+ main_offset 39664) main_length), 186824#(<= (+ main_offset 39676) main_length), 186825#(<= (+ main_offset 39672) main_length), 186830#(<= (+ main_offset 39652) main_length), 186831#(<= (+ main_offset 39648) main_length), 186828#(<= (+ main_offset 39660) main_length), 186829#(<= (+ main_offset 39656) main_length), 186834#(<= (+ main_offset 39636) main_length), 186835#(<= (+ main_offset 39632) main_length), 186832#(<= (+ main_offset 39644) main_length), 186833#(<= (+ main_offset 39640) main_length), 186838#(<= (+ main_offset 39620) main_length), 186839#(<= (+ main_offset 39616) main_length), 186836#(<= (+ main_offset 39628) main_length), 186837#(<= (+ main_offset 39624) main_length), 186842#(<= (+ main_offset 39604) main_length), 186843#(<= (+ main_offset 39600) main_length), 186840#(<= (+ main_offset 39612) main_length), 186841#(<= (+ main_offset 39608) main_length), 186846#(<= (+ main_offset 39588) main_length), 186847#(<= (+ main_offset 39584) main_length), 186844#(<= (+ main_offset 39596) main_length), 186845#(<= (+ main_offset 39592) main_length), 186850#(<= (+ main_offset 39572) main_length), 186851#(<= (+ main_offset 39568) main_length), 186848#(<= (+ main_offset 39580) main_length), 186849#(<= (+ main_offset 39576) main_length), 186854#(<= (+ main_offset 39556) main_length), 186855#(<= (+ main_offset 39552) main_length), 186852#(<= (+ main_offset 39564) main_length), 186853#(<= (+ main_offset 39560) main_length), 186858#(<= (+ main_offset 39540) main_length), 186859#(<= (+ main_offset 39536) main_length), 186856#(<= (+ main_offset 39548) main_length), 186857#(<= (+ main_offset 39544) main_length), 186862#(<= (+ main_offset 39524) main_length), 186863#(<= (+ main_offset 39520) main_length), 186860#(<= (+ main_offset 39532) main_length), 186861#(<= (+ main_offset 39528) main_length), 186866#(<= (+ main_offset 39508) main_length), 186867#(<= (+ main_offset 39504) main_length), 186864#(<= (+ main_offset 39516) main_length), 186865#(<= (+ main_offset 39512) main_length), 186870#(<= (+ main_offset 39492) main_length), 186871#(<= (+ main_offset 39488) main_length), 186868#(<= (+ main_offset 39500) main_length), 186869#(<= (+ main_offset 39496) main_length), 186874#(<= (+ main_offset 39476) main_length), 186875#(<= (+ main_offset 39472) main_length), 186872#(<= (+ main_offset 39484) main_length), 186873#(<= (+ main_offset 39480) main_length), 186878#(<= (+ main_offset 39460) main_length), 186879#(<= (+ main_offset 39456) main_length), 186876#(<= (+ main_offset 39468) main_length), 186877#(<= (+ main_offset 39464) main_length)] [2018-07-23 13:57:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 40602 backedges. 0 proven. 40602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:39,942 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:57:39,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:57:39,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:57:39,945 INFO L87 Difference]: Start difference. First operand 406 states and 406 transitions. Second operand 204 states. [2018-07-23 13:57:40,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:40,635 INFO L93 Difference]: Finished difference Result 409 states and 409 transitions. [2018-07-23 13:57:40,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:57:40,636 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 405 [2018-07-23 13:57:40,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:40,637 INFO L225 Difference]: With dead ends: 409 [2018-07-23 13:57:40,637 INFO L226 Difference]: Without dead ends: 408 [2018-07-23 13:57:40,639 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:57:40,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-07-23 13:57:40,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2018-07-23 13:57:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-07-23 13:57:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 408 transitions. [2018-07-23 13:57:40,646 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 408 transitions. Word has length 405 [2018-07-23 13:57:40,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:40,646 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 408 transitions. [2018-07-23 13:57:40,646 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:57:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 408 transitions. [2018-07-23 13:57:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-07-23 13:57:40,648 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:40,648 INFO L357 BasicCegarLoop]: trace histogram [203, 202, 1, 1] [2018-07-23 13:57:40,648 INFO L414 AbstractCegarLoop]: === Iteration 203 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:40,648 INFO L82 PathProgramCache]: Analyzing trace with hash 142840436, now seen corresponding path program 202 times [2018-07-23 13:57:40,648 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 41006 backedges. 0 proven. 41006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:42,308 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:42,309 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:57:42,309 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:42,309 INFO L185 omatonBuilderFactory]: Interpolants [188579#true, 188582#(<= (+ main_offset 39996) main_length), 188583#(<= (+ main_offset 39992) main_length), 188580#false, 188581#(<= (+ main_offset 40000) main_length), 188586#(<= (+ main_offset 39980) main_length), 188587#(<= (+ main_offset 39976) main_length), 188584#(<= (+ main_offset 39988) main_length), 188585#(<= (+ main_offset 39984) main_length), 188590#(<= (+ main_offset 39964) main_length), 188591#(<= (+ main_offset 39960) main_length), 188588#(<= (+ main_offset 39972) main_length), 188589#(<= (+ main_offset 39968) main_length), 188594#(<= (+ main_offset 39948) main_length), 188595#(<= (+ main_offset 39944) main_length), 188592#(<= (+ main_offset 39956) main_length), 188593#(<= (+ main_offset 39952) main_length), 188598#(<= (+ main_offset 39932) main_length), 188599#(<= (+ main_offset 39928) main_length), 188596#(<= (+ main_offset 39940) main_length), 188597#(<= (+ main_offset 39936) main_length), 188602#(<= (+ main_offset 39916) main_length), 188603#(<= (+ main_offset 39912) main_length), 188600#(<= (+ main_offset 39924) main_length), 188601#(<= (+ main_offset 39920) main_length), 188606#(<= (+ main_offset 39900) main_length), 188607#(<= (+ main_offset 39896) main_length), 188604#(<= (+ main_offset 39908) main_length), 188605#(<= (+ main_offset 39904) main_length), 188610#(<= (+ main_offset 39884) main_length), 188611#(<= (+ main_offset 39880) main_length), 188608#(<= (+ main_offset 39892) main_length), 188609#(<= (+ main_offset 39888) main_length), 188614#(<= (+ main_offset 39868) main_length), 188615#(<= (+ main_offset 39864) main_length), 188612#(<= (+ main_offset 39876) main_length), 188613#(<= (+ main_offset 39872) main_length), 188618#(<= (+ main_offset 39852) main_length), 188619#(<= (+ main_offset 39848) main_length), 188616#(<= (+ main_offset 39860) main_length), 188617#(<= (+ main_offset 39856) main_length), 188622#(<= (+ main_offset 39836) main_length), 188623#(<= (+ main_offset 39832) main_length), 188620#(<= (+ main_offset 39844) main_length), 188621#(<= (+ main_offset 39840) main_length), 188626#(<= (+ main_offset 39820) main_length), 188627#(<= (+ main_offset 39816) main_length), 188624#(<= (+ main_offset 39828) main_length), 188625#(<= (+ main_offset 39824) main_length), 188630#(<= (+ main_offset 39804) main_length), 188631#(<= (+ main_offset 39800) main_length), 188628#(<= (+ main_offset 39812) main_length), 188629#(<= (+ main_offset 39808) main_length), 188634#(<= (+ main_offset 39788) main_length), 188635#(<= (+ main_offset 39784) main_length), 188632#(<= (+ main_offset 39796) main_length), 188633#(<= (+ main_offset 39792) main_length), 188638#(<= (+ main_offset 39772) main_length), 188639#(<= (+ main_offset 39768) main_length), 188636#(<= (+ main_offset 39780) main_length), 188637#(<= (+ main_offset 39776) main_length), 188642#(<= (+ main_offset 39756) main_length), 188643#(<= (+ main_offset 39752) main_length), 188640#(<= (+ main_offset 39764) main_length), 188641#(<= (+ main_offset 39760) main_length), 188646#(<= (+ main_offset 39740) main_length), 188647#(<= (+ main_offset 39736) main_length), 188644#(<= (+ main_offset 39748) main_length), 188645#(<= (+ main_offset 39744) main_length), 188650#(<= (+ main_offset 39724) main_length), 188651#(<= (+ main_offset 39720) main_length), 188648#(<= (+ main_offset 39732) main_length), 188649#(<= (+ main_offset 39728) main_length), 188654#(<= (+ main_offset 39708) main_length), 188655#(<= (+ main_offset 39704) main_length), 188652#(<= (+ main_offset 39716) main_length), 188653#(<= (+ main_offset 39712) main_length), 188658#(<= (+ main_offset 39692) main_length), 188659#(<= (+ main_offset 39688) main_length), 188656#(<= (+ main_offset 39700) main_length), 188657#(<= (+ main_offset 39696) main_length), 188662#(<= (+ main_offset 39676) main_length), 188663#(<= (+ main_offset 39672) main_length), 188660#(<= (+ main_offset 39684) main_length), 188661#(<= (+ main_offset 39680) main_length), 188666#(<= (+ main_offset 39660) main_length), 188667#(<= (+ main_offset 39656) main_length), 188664#(<= (+ main_offset 39668) main_length), 188665#(<= (+ main_offset 39664) main_length), 188670#(<= (+ main_offset 39644) main_length), 188671#(<= (+ main_offset 39640) main_length), 188668#(<= (+ main_offset 39652) main_length), 188669#(<= (+ main_offset 39648) main_length), 188674#(<= (+ main_offset 39628) main_length), 188675#(<= (+ main_offset 39624) main_length), 188672#(<= (+ main_offset 39636) main_length), 188673#(<= (+ main_offset 39632) main_length), 188678#(<= (+ main_offset 39612) main_length), 188679#(<= (+ main_offset 39608) main_length), 188676#(<= (+ main_offset 39620) main_length), 188677#(<= (+ main_offset 39616) main_length), 188682#(<= (+ main_offset 39596) main_length), 188683#(<= (+ main_offset 39592) main_length), 188680#(<= (+ main_offset 39604) main_length), 188681#(<= (+ main_offset 39600) main_length), 188686#(<= (+ main_offset 39580) main_length), 188687#(<= (+ main_offset 39576) main_length), 188684#(<= (+ main_offset 39588) main_length), 188685#(<= (+ main_offset 39584) main_length), 188690#(<= (+ main_offset 39564) main_length), 188691#(<= (+ main_offset 39560) main_length), 188688#(<= (+ main_offset 39572) main_length), 188689#(<= (+ main_offset 39568) main_length), 188694#(<= (+ main_offset 39548) main_length), 188695#(<= (+ main_offset 39544) main_length), 188692#(<= (+ main_offset 39556) main_length), 188693#(<= (+ main_offset 39552) main_length), 188698#(<= (+ main_offset 39532) main_length), 188699#(<= (+ main_offset 39528) main_length), 188696#(<= (+ main_offset 39540) main_length), 188697#(<= (+ main_offset 39536) main_length), 188702#(<= (+ main_offset 39516) main_length), 188703#(<= (+ main_offset 39512) main_length), 188700#(<= (+ main_offset 39524) main_length), 188701#(<= (+ main_offset 39520) main_length), 188706#(<= (+ main_offset 39500) main_length), 188707#(<= (+ main_offset 39496) main_length), 188704#(<= (+ main_offset 39508) main_length), 188705#(<= (+ main_offset 39504) main_length), 188710#(<= (+ main_offset 39484) main_length), 188711#(<= (+ main_offset 39480) main_length), 188708#(<= (+ main_offset 39492) main_length), 188709#(<= (+ main_offset 39488) main_length), 188714#(<= (+ main_offset 39468) main_length), 188715#(<= (+ main_offset 39464) main_length), 188712#(<= (+ main_offset 39476) main_length), 188713#(<= (+ main_offset 39472) main_length), 188718#(<= (+ main_offset 39452) main_length), 188719#(<= (+ main_offset 39448) main_length), 188716#(<= (+ main_offset 39460) main_length), 188717#(<= (+ main_offset 39456) main_length), 188722#(<= (+ main_offset 39436) main_length), 188723#(<= (+ main_offset 39432) main_length), 188720#(<= (+ main_offset 39444) main_length), 188721#(<= (+ main_offset 39440) main_length), 188726#(<= (+ main_offset 39420) main_length), 188727#(<= (+ main_offset 39416) main_length), 188724#(<= (+ main_offset 39428) main_length), 188725#(<= (+ main_offset 39424) main_length), 188730#(<= (+ main_offset 39404) main_length), 188731#(<= (+ main_offset 39400) main_length), 188728#(<= (+ main_offset 39412) main_length), 188729#(<= (+ main_offset 39408) main_length), 188734#(<= (+ main_offset 39388) main_length), 188735#(<= (+ main_offset 39384) main_length), 188732#(<= (+ main_offset 39396) main_length), 188733#(<= (+ main_offset 39392) main_length), 188738#(<= (+ main_offset 39372) main_length), 188739#(<= (+ main_offset 39368) main_length), 188736#(<= (+ main_offset 39380) main_length), 188737#(<= (+ main_offset 39376) main_length), 188742#(<= (+ main_offset 39356) main_length), 188743#(<= (+ main_offset 39352) main_length), 188740#(<= (+ main_offset 39364) main_length), 188741#(<= (+ main_offset 39360) main_length), 188746#(<= (+ main_offset 39340) main_length), 188747#(<= (+ main_offset 39336) main_length), 188744#(<= (+ main_offset 39348) main_length), 188745#(<= (+ main_offset 39344) main_length), 188750#(<= (+ main_offset 39324) main_length), 188751#(<= (+ main_offset 39320) main_length), 188748#(<= (+ main_offset 39332) main_length), 188749#(<= (+ main_offset 39328) main_length), 188754#(<= (+ main_offset 39308) main_length), 188755#(<= (+ main_offset 39304) main_length), 188752#(<= (+ main_offset 39316) main_length), 188753#(<= (+ main_offset 39312) main_length), 188758#(<= (+ main_offset 39292) main_length), 188759#(<= (+ main_offset 39288) main_length), 188756#(<= (+ main_offset 39300) main_length), 188757#(<= (+ main_offset 39296) main_length), 188762#(<= (+ main_offset 39276) main_length), 188763#(<= (+ main_offset 39272) main_length), 188760#(<= (+ main_offset 39284) main_length), 188761#(<= (+ main_offset 39280) main_length), 188766#(<= (+ main_offset 39260) main_length), 188767#(<= (+ main_offset 39256) main_length), 188764#(<= (+ main_offset 39268) main_length), 188765#(<= (+ main_offset 39264) main_length), 188770#(<= (+ main_offset 39244) main_length), 188771#(<= (+ main_offset 39240) main_length), 188768#(<= (+ main_offset 39252) main_length), 188769#(<= (+ main_offset 39248) main_length), 188774#(<= (+ main_offset 39228) main_length), 188775#(<= (+ main_offset 39224) main_length), 188772#(<= (+ main_offset 39236) main_length), 188773#(<= (+ main_offset 39232) main_length), 188778#(<= (+ main_offset 39212) main_length), 188779#(<= (+ main_offset 39208) main_length), 188776#(<= (+ main_offset 39220) main_length), 188777#(<= (+ main_offset 39216) main_length), 188782#(<= (+ main_offset 39196) main_length), 188783#(<= (+ main_offset 39192) main_length), 188780#(<= (+ main_offset 39204) main_length), 188781#(<= (+ main_offset 39200) main_length)] [2018-07-23 13:57:42,311 INFO L134 CoverageAnalysis]: Checked inductivity of 41006 backedges. 0 proven. 41006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:42,311 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:57:42,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:57:42,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:57:42,313 INFO L87 Difference]: Start difference. First operand 408 states and 408 transitions. Second operand 205 states. [2018-07-23 13:57:43,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:43,200 INFO L93 Difference]: Finished difference Result 411 states and 411 transitions. [2018-07-23 13:57:43,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:57:43,200 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 407 [2018-07-23 13:57:43,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:43,201 INFO L225 Difference]: With dead ends: 411 [2018-07-23 13:57:43,201 INFO L226 Difference]: Without dead ends: 410 [2018-07-23 13:57:43,202 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:57:43,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-07-23 13:57:43,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2018-07-23 13:57:43,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2018-07-23 13:57:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 410 transitions. [2018-07-23 13:57:43,207 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 410 transitions. Word has length 407 [2018-07-23 13:57:43,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:43,207 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 410 transitions. [2018-07-23 13:57:43,207 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:57:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 410 transitions. [2018-07-23 13:57:43,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-07-23 13:57:43,208 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:43,208 INFO L357 BasicCegarLoop]: trace histogram [204, 203, 1, 1] [2018-07-23 13:57:43,208 INFO L414 AbstractCegarLoop]: === Iteration 204 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:43,209 INFO L82 PathProgramCache]: Analyzing trace with hash -169293386, now seen corresponding path program 203 times [2018-07-23 13:57:43,209 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 41412 backedges. 0 proven. 41412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:44,924 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:44,924 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:57:44,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:44,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:44,925 INFO L185 omatonBuilderFactory]: Interpolants [190466#(<= (+ main_offset 39848) main_length), 190467#(<= (+ main_offset 39844) main_length), 190464#(<= (+ main_offset 39856) main_length), 190465#(<= (+ main_offset 39852) main_length), 190470#(<= (+ main_offset 39832) main_length), 190471#(<= (+ main_offset 39828) main_length), 190468#(<= (+ main_offset 39840) main_length), 190469#(<= (+ main_offset 39836) main_length), 190474#(<= (+ main_offset 39816) main_length), 190475#(<= (+ main_offset 39812) main_length), 190472#(<= (+ main_offset 39824) main_length), 190473#(<= (+ main_offset 39820) main_length), 190478#(<= (+ main_offset 39800) main_length), 190479#(<= (+ main_offset 39796) main_length), 190476#(<= (+ main_offset 39808) main_length), 190477#(<= (+ main_offset 39804) main_length), 190482#(<= (+ main_offset 39784) main_length), 190483#(<= (+ main_offset 39780) main_length), 190480#(<= (+ main_offset 39792) main_length), 190481#(<= (+ main_offset 39788) main_length), 190486#(<= (+ main_offset 39768) main_length), 190487#(<= (+ main_offset 39764) main_length), 190484#(<= (+ main_offset 39776) main_length), 190485#(<= (+ main_offset 39772) main_length), 190490#(<= (+ main_offset 39752) main_length), 190491#(<= (+ main_offset 39748) main_length), 190488#(<= (+ main_offset 39760) main_length), 190489#(<= (+ main_offset 39756) main_length), 190494#(<= (+ main_offset 39736) main_length), 190495#(<= (+ main_offset 39732) main_length), 190492#(<= (+ main_offset 39744) main_length), 190493#(<= (+ main_offset 39740) main_length), 190498#(<= (+ main_offset 39720) main_length), 190499#(<= (+ main_offset 39716) main_length), 190496#(<= (+ main_offset 39728) main_length), 190497#(<= (+ main_offset 39724) main_length), 190502#(<= (+ main_offset 39704) main_length), 190503#(<= (+ main_offset 39700) main_length), 190500#(<= (+ main_offset 39712) main_length), 190501#(<= (+ main_offset 39708) main_length), 190506#(<= (+ main_offset 39688) main_length), 190507#(<= (+ main_offset 39684) main_length), 190504#(<= (+ main_offset 39696) main_length), 190505#(<= (+ main_offset 39692) main_length), 190510#(<= (+ main_offset 39672) main_length), 190511#(<= (+ main_offset 39668) main_length), 190508#(<= (+ main_offset 39680) main_length), 190509#(<= (+ main_offset 39676) main_length), 190514#(<= (+ main_offset 39656) main_length), 190515#(<= (+ main_offset 39652) main_length), 190512#(<= (+ main_offset 39664) main_length), 190513#(<= (+ main_offset 39660) main_length), 190518#(<= (+ main_offset 39640) main_length), 190519#(<= (+ main_offset 39636) main_length), 190516#(<= (+ main_offset 39648) main_length), 190517#(<= (+ main_offset 39644) main_length), 190522#(<= (+ main_offset 39624) main_length), 190523#(<= (+ main_offset 39620) main_length), 190520#(<= (+ main_offset 39632) main_length), 190521#(<= (+ main_offset 39628) main_length), 190526#(<= (+ main_offset 39608) main_length), 190527#(<= (+ main_offset 39604) main_length), 190524#(<= (+ main_offset 39616) main_length), 190525#(<= (+ main_offset 39612) main_length), 190530#(<= (+ main_offset 39592) main_length), 190531#(<= (+ main_offset 39588) main_length), 190528#(<= (+ main_offset 39600) main_length), 190529#(<= (+ main_offset 39596) main_length), 190534#(<= (+ main_offset 39576) main_length), 190535#(<= (+ main_offset 39572) main_length), 190532#(<= (+ main_offset 39584) main_length), 190533#(<= (+ main_offset 39580) main_length), 190538#(<= (+ main_offset 39560) main_length), 190539#(<= (+ main_offset 39556) main_length), 190536#(<= (+ main_offset 39568) main_length), 190537#(<= (+ main_offset 39564) main_length), 190542#(<= (+ main_offset 39544) main_length), 190543#(<= (+ main_offset 39540) main_length), 190540#(<= (+ main_offset 39552) main_length), 190541#(<= (+ main_offset 39548) main_length), 190546#(<= (+ main_offset 39528) main_length), 190547#(<= (+ main_offset 39524) main_length), 190544#(<= (+ main_offset 39536) main_length), 190545#(<= (+ main_offset 39532) main_length), 190550#(<= (+ main_offset 39512) main_length), 190551#(<= (+ main_offset 39508) main_length), 190548#(<= (+ main_offset 39520) main_length), 190549#(<= (+ main_offset 39516) main_length), 190554#(<= (+ main_offset 39496) main_length), 190555#(<= (+ main_offset 39492) main_length), 190552#(<= (+ main_offset 39504) main_length), 190553#(<= (+ main_offset 39500) main_length), 190558#(<= (+ main_offset 39480) main_length), 190559#(<= (+ main_offset 39476) main_length), 190556#(<= (+ main_offset 39488) main_length), 190557#(<= (+ main_offset 39484) main_length), 190562#(<= (+ main_offset 39464) main_length), 190563#(<= (+ main_offset 39460) main_length), 190560#(<= (+ main_offset 39472) main_length), 190561#(<= (+ main_offset 39468) main_length), 190566#(<= (+ main_offset 39448) main_length), 190567#(<= (+ main_offset 39444) main_length), 190564#(<= (+ main_offset 39456) main_length), 190565#(<= (+ main_offset 39452) main_length), 190570#(<= (+ main_offset 39432) main_length), 190571#(<= (+ main_offset 39428) main_length), 190568#(<= (+ main_offset 39440) main_length), 190569#(<= (+ main_offset 39436) main_length), 190574#(<= (+ main_offset 39416) main_length), 190575#(<= (+ main_offset 39412) main_length), 190572#(<= (+ main_offset 39424) main_length), 190573#(<= (+ main_offset 39420) main_length), 190578#(<= (+ main_offset 39400) main_length), 190579#(<= (+ main_offset 39396) main_length), 190576#(<= (+ main_offset 39408) main_length), 190577#(<= (+ main_offset 39404) main_length), 190582#(<= (+ main_offset 39384) main_length), 190583#(<= (+ main_offset 39380) main_length), 190580#(<= (+ main_offset 39392) main_length), 190581#(<= (+ main_offset 39388) main_length), 190586#(<= (+ main_offset 39368) main_length), 190587#(<= (+ main_offset 39364) main_length), 190584#(<= (+ main_offset 39376) main_length), 190585#(<= (+ main_offset 39372) main_length), 190590#(<= (+ main_offset 39352) main_length), 190591#(<= (+ main_offset 39348) main_length), 190588#(<= (+ main_offset 39360) main_length), 190589#(<= (+ main_offset 39356) main_length), 190594#(<= (+ main_offset 39336) main_length), 190595#(<= (+ main_offset 39332) main_length), 190592#(<= (+ main_offset 39344) main_length), 190593#(<= (+ main_offset 39340) main_length), 190598#(<= (+ main_offset 39320) main_length), 190599#(<= (+ main_offset 39316) main_length), 190596#(<= (+ main_offset 39328) main_length), 190597#(<= (+ main_offset 39324) main_length), 190602#(<= (+ main_offset 39304) main_length), 190603#(<= (+ main_offset 39300) main_length), 190600#(<= (+ main_offset 39312) main_length), 190601#(<= (+ main_offset 39308) main_length), 190606#(<= (+ main_offset 39288) main_length), 190607#(<= (+ main_offset 39284) main_length), 190604#(<= (+ main_offset 39296) main_length), 190605#(<= (+ main_offset 39292) main_length), 190610#(<= (+ main_offset 39272) main_length), 190611#(<= (+ main_offset 39268) main_length), 190608#(<= (+ main_offset 39280) main_length), 190609#(<= (+ main_offset 39276) main_length), 190614#(<= (+ main_offset 39256) main_length), 190615#(<= (+ main_offset 39252) main_length), 190612#(<= (+ main_offset 39264) main_length), 190613#(<= (+ main_offset 39260) main_length), 190618#(<= (+ main_offset 39240) main_length), 190619#(<= (+ main_offset 39236) main_length), 190616#(<= (+ main_offset 39248) main_length), 190617#(<= (+ main_offset 39244) main_length), 190622#(<= (+ main_offset 39224) main_length), 190623#(<= (+ main_offset 39220) main_length), 190620#(<= (+ main_offset 39232) main_length), 190621#(<= (+ main_offset 39228) main_length), 190626#(<= (+ main_offset 39208) main_length), 190627#(<= (+ main_offset 39204) main_length), 190624#(<= (+ main_offset 39216) main_length), 190625#(<= (+ main_offset 39212) main_length), 190630#(<= (+ main_offset 39192) main_length), 190631#(<= (+ main_offset 39188) main_length), 190628#(<= (+ main_offset 39200) main_length), 190629#(<= (+ main_offset 39196) main_length), 190426#true, 190427#false, 190430#(<= (+ main_offset 39992) main_length), 190431#(<= (+ main_offset 39988) main_length), 190428#(<= (+ main_offset 40000) main_length), 190429#(<= (+ main_offset 39996) main_length), 190434#(<= (+ main_offset 39976) main_length), 190435#(<= (+ main_offset 39972) main_length), 190432#(<= (+ main_offset 39984) main_length), 190433#(<= (+ main_offset 39980) main_length), 190438#(<= (+ main_offset 39960) main_length), 190439#(<= (+ main_offset 39956) main_length), 190436#(<= (+ main_offset 39968) main_length), 190437#(<= (+ main_offset 39964) main_length), 190442#(<= (+ main_offset 39944) main_length), 190443#(<= (+ main_offset 39940) main_length), 190440#(<= (+ main_offset 39952) main_length), 190441#(<= (+ main_offset 39948) main_length), 190446#(<= (+ main_offset 39928) main_length), 190447#(<= (+ main_offset 39924) main_length), 190444#(<= (+ main_offset 39936) main_length), 190445#(<= (+ main_offset 39932) main_length), 190450#(<= (+ main_offset 39912) main_length), 190451#(<= (+ main_offset 39908) main_length), 190448#(<= (+ main_offset 39920) main_length), 190449#(<= (+ main_offset 39916) main_length), 190454#(<= (+ main_offset 39896) main_length), 190455#(<= (+ main_offset 39892) main_length), 190452#(<= (+ main_offset 39904) main_length), 190453#(<= (+ main_offset 39900) main_length), 190458#(<= (+ main_offset 39880) main_length), 190459#(<= (+ main_offset 39876) main_length), 190456#(<= (+ main_offset 39888) main_length), 190457#(<= (+ main_offset 39884) main_length), 190462#(<= (+ main_offset 39864) main_length), 190463#(<= (+ main_offset 39860) main_length), 190460#(<= (+ main_offset 39872) main_length), 190461#(<= (+ main_offset 39868) main_length)] [2018-07-23 13:57:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 41412 backedges. 0 proven. 41412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:44,927 INFO L450 AbstractCegarLoop]: Interpolant automaton has 206 states [2018-07-23 13:57:44,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2018-07-23 13:57:44,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:57:44,933 INFO L87 Difference]: Start difference. First operand 410 states and 410 transitions. Second operand 206 states. [2018-07-23 13:57:46,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:46,708 INFO L93 Difference]: Finished difference Result 413 states and 413 transitions. [2018-07-23 13:57:46,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2018-07-23 13:57:46,708 INFO L78 Accepts]: Start accepts. Automaton has 206 states. Word has length 409 [2018-07-23 13:57:46,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:46,709 INFO L225 Difference]: With dead ends: 413 [2018-07-23 13:57:46,709 INFO L226 Difference]: Without dead ends: 412 [2018-07-23 13:57:46,711 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:57:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2018-07-23 13:57:46,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2018-07-23 13:57:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-07-23 13:57:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 412 transitions. [2018-07-23 13:57:46,717 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 412 transitions. Word has length 409 [2018-07-23 13:57:46,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:46,717 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 412 transitions. [2018-07-23 13:57:46,717 INFO L472 AbstractCegarLoop]: Interpolant automaton has 206 states. [2018-07-23 13:57:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 412 transitions. [2018-07-23 13:57:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-07-23 13:57:46,718 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:46,719 INFO L357 BasicCegarLoop]: trace histogram [205, 204, 1, 1] [2018-07-23 13:57:46,719 INFO L414 AbstractCegarLoop]: === Iteration 205 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:46,719 INFO L82 PathProgramCache]: Analyzing trace with hash 517814392, now seen corresponding path program 204 times [2018-07-23 13:57:46,719 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 41820 backedges. 0 proven. 41820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:48,368 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:48,368 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [205] total 205 [2018-07-23 13:57:48,368 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:48,369 INFO L185 omatonBuilderFactory]: Interpolants [192282#true, 192283#false, 192286#(<= (+ main_offset 39992) main_length), 192287#(<= (+ main_offset 39988) main_length), 192284#(<= (+ main_offset 40000) main_length), 192285#(<= (+ main_offset 39996) main_length), 192290#(<= (+ main_offset 39976) main_length), 192291#(<= (+ main_offset 39972) main_length), 192288#(<= (+ main_offset 39984) main_length), 192289#(<= (+ main_offset 39980) main_length), 192294#(<= (+ main_offset 39960) main_length), 192295#(<= (+ main_offset 39956) main_length), 192292#(<= (+ main_offset 39968) main_length), 192293#(<= (+ main_offset 39964) main_length), 192298#(<= (+ main_offset 39944) main_length), 192299#(<= (+ main_offset 39940) main_length), 192296#(<= (+ main_offset 39952) main_length), 192297#(<= (+ main_offset 39948) main_length), 192302#(<= (+ main_offset 39928) main_length), 192303#(<= (+ main_offset 39924) main_length), 192300#(<= (+ main_offset 39936) main_length), 192301#(<= (+ main_offset 39932) main_length), 192306#(<= (+ main_offset 39912) main_length), 192307#(<= (+ main_offset 39908) main_length), 192304#(<= (+ main_offset 39920) main_length), 192305#(<= (+ main_offset 39916) main_length), 192310#(<= (+ main_offset 39896) main_length), 192311#(<= (+ main_offset 39892) main_length), 192308#(<= (+ main_offset 39904) main_length), 192309#(<= (+ main_offset 39900) main_length), 192314#(<= (+ main_offset 39880) main_length), 192315#(<= (+ main_offset 39876) main_length), 192312#(<= (+ main_offset 39888) main_length), 192313#(<= (+ main_offset 39884) main_length), 192318#(<= (+ main_offset 39864) main_length), 192319#(<= (+ main_offset 39860) main_length), 192316#(<= (+ main_offset 39872) main_length), 192317#(<= (+ main_offset 39868) main_length), 192322#(<= (+ main_offset 39848) main_length), 192323#(<= (+ main_offset 39844) main_length), 192320#(<= (+ main_offset 39856) main_length), 192321#(<= (+ main_offset 39852) main_length), 192326#(<= (+ main_offset 39832) main_length), 192327#(<= (+ main_offset 39828) main_length), 192324#(<= (+ main_offset 39840) main_length), 192325#(<= (+ main_offset 39836) main_length), 192330#(<= (+ main_offset 39816) main_length), 192331#(<= (+ main_offset 39812) main_length), 192328#(<= (+ main_offset 39824) main_length), 192329#(<= (+ main_offset 39820) main_length), 192334#(<= (+ main_offset 39800) main_length), 192335#(<= (+ main_offset 39796) main_length), 192332#(<= (+ main_offset 39808) main_length), 192333#(<= (+ main_offset 39804) main_length), 192338#(<= (+ main_offset 39784) main_length), 192339#(<= (+ main_offset 39780) main_length), 192336#(<= (+ main_offset 39792) main_length), 192337#(<= (+ main_offset 39788) main_length), 192342#(<= (+ main_offset 39768) main_length), 192343#(<= (+ main_offset 39764) main_length), 192340#(<= (+ main_offset 39776) main_length), 192341#(<= (+ main_offset 39772) main_length), 192346#(<= (+ main_offset 39752) main_length), 192347#(<= (+ main_offset 39748) main_length), 192344#(<= (+ main_offset 39760) main_length), 192345#(<= (+ main_offset 39756) main_length), 192350#(<= (+ main_offset 39736) main_length), 192351#(<= (+ main_offset 39732) main_length), 192348#(<= (+ main_offset 39744) main_length), 192349#(<= (+ main_offset 39740) main_length), 192354#(<= (+ main_offset 39720) main_length), 192355#(<= (+ main_offset 39716) main_length), 192352#(<= (+ main_offset 39728) main_length), 192353#(<= (+ main_offset 39724) main_length), 192358#(<= (+ main_offset 39704) main_length), 192359#(<= (+ main_offset 39700) main_length), 192356#(<= (+ main_offset 39712) main_length), 192357#(<= (+ main_offset 39708) main_length), 192362#(<= (+ main_offset 39688) main_length), 192363#(<= (+ main_offset 39684) main_length), 192360#(<= (+ main_offset 39696) main_length), 192361#(<= (+ main_offset 39692) main_length), 192366#(<= (+ main_offset 39672) main_length), 192367#(<= (+ main_offset 39668) main_length), 192364#(<= (+ main_offset 39680) main_length), 192365#(<= (+ main_offset 39676) main_length), 192370#(<= (+ main_offset 39656) main_length), 192371#(<= (+ main_offset 39652) main_length), 192368#(<= (+ main_offset 39664) main_length), 192369#(<= (+ main_offset 39660) main_length), 192374#(<= (+ main_offset 39640) main_length), 192375#(<= (+ main_offset 39636) main_length), 192372#(<= (+ main_offset 39648) main_length), 192373#(<= (+ main_offset 39644) main_length), 192378#(<= (+ main_offset 39624) main_length), 192379#(<= (+ main_offset 39620) main_length), 192376#(<= (+ main_offset 39632) main_length), 192377#(<= (+ main_offset 39628) main_length), 192382#(<= (+ main_offset 39608) main_length), 192383#(<= (+ main_offset 39604) main_length), 192380#(<= (+ main_offset 39616) main_length), 192381#(<= (+ main_offset 39612) main_length), 192386#(<= (+ main_offset 39592) main_length), 192387#(<= (+ main_offset 39588) main_length), 192384#(<= (+ main_offset 39600) main_length), 192385#(<= (+ main_offset 39596) main_length), 192390#(<= (+ main_offset 39576) main_length), 192391#(<= (+ main_offset 39572) main_length), 192388#(<= (+ main_offset 39584) main_length), 192389#(<= (+ main_offset 39580) main_length), 192394#(<= (+ main_offset 39560) main_length), 192395#(<= (+ main_offset 39556) main_length), 192392#(<= (+ main_offset 39568) main_length), 192393#(<= (+ main_offset 39564) main_length), 192398#(<= (+ main_offset 39544) main_length), 192399#(<= (+ main_offset 39540) main_length), 192396#(<= (+ main_offset 39552) main_length), 192397#(<= (+ main_offset 39548) main_length), 192402#(<= (+ main_offset 39528) main_length), 192403#(<= (+ main_offset 39524) main_length), 192400#(<= (+ main_offset 39536) main_length), 192401#(<= (+ main_offset 39532) main_length), 192406#(<= (+ main_offset 39512) main_length), 192407#(<= (+ main_offset 39508) main_length), 192404#(<= (+ main_offset 39520) main_length), 192405#(<= (+ main_offset 39516) main_length), 192410#(<= (+ main_offset 39496) main_length), 192411#(<= (+ main_offset 39492) main_length), 192408#(<= (+ main_offset 39504) main_length), 192409#(<= (+ main_offset 39500) main_length), 192414#(<= (+ main_offset 39480) main_length), 192415#(<= (+ main_offset 39476) main_length), 192412#(<= (+ main_offset 39488) main_length), 192413#(<= (+ main_offset 39484) main_length), 192418#(<= (+ main_offset 39464) main_length), 192419#(<= (+ main_offset 39460) main_length), 192416#(<= (+ main_offset 39472) main_length), 192417#(<= (+ main_offset 39468) main_length), 192422#(<= (+ main_offset 39448) main_length), 192423#(<= (+ main_offset 39444) main_length), 192420#(<= (+ main_offset 39456) main_length), 192421#(<= (+ main_offset 39452) main_length), 192426#(<= (+ main_offset 39432) main_length), 192427#(<= (+ main_offset 39428) main_length), 192424#(<= (+ main_offset 39440) main_length), 192425#(<= (+ main_offset 39436) main_length), 192430#(<= (+ main_offset 39416) main_length), 192431#(<= (+ main_offset 39412) main_length), 192428#(<= (+ main_offset 39424) main_length), 192429#(<= (+ main_offset 39420) main_length), 192434#(<= (+ main_offset 39400) main_length), 192435#(<= (+ main_offset 39396) main_length), 192432#(<= (+ main_offset 39408) main_length), 192433#(<= (+ main_offset 39404) main_length), 192438#(<= (+ main_offset 39384) main_length), 192439#(<= (+ main_offset 39380) main_length), 192436#(<= (+ main_offset 39392) main_length), 192437#(<= (+ main_offset 39388) main_length), 192442#(<= (+ main_offset 39368) main_length), 192443#(<= (+ main_offset 39364) main_length), 192440#(<= (+ main_offset 39376) main_length), 192441#(<= (+ main_offset 39372) main_length), 192446#(<= (+ main_offset 39352) main_length), 192447#(<= (+ main_offset 39348) main_length), 192444#(<= (+ main_offset 39360) main_length), 192445#(<= (+ main_offset 39356) main_length), 192450#(<= (+ main_offset 39336) main_length), 192451#(<= (+ main_offset 39332) main_length), 192448#(<= (+ main_offset 39344) main_length), 192449#(<= (+ main_offset 39340) main_length), 192454#(<= (+ main_offset 39320) main_length), 192455#(<= (+ main_offset 39316) main_length), 192452#(<= (+ main_offset 39328) main_length), 192453#(<= (+ main_offset 39324) main_length), 192458#(<= (+ main_offset 39304) main_length), 192459#(<= (+ main_offset 39300) main_length), 192456#(<= (+ main_offset 39312) main_length), 192457#(<= (+ main_offset 39308) main_length), 192462#(<= (+ main_offset 39288) main_length), 192463#(<= (+ main_offset 39284) main_length), 192460#(<= (+ main_offset 39296) main_length), 192461#(<= (+ main_offset 39292) main_length), 192466#(<= (+ main_offset 39272) main_length), 192467#(<= (+ main_offset 39268) main_length), 192464#(<= (+ main_offset 39280) main_length), 192465#(<= (+ main_offset 39276) main_length), 192470#(<= (+ main_offset 39256) main_length), 192471#(<= (+ main_offset 39252) main_length), 192468#(<= (+ main_offset 39264) main_length), 192469#(<= (+ main_offset 39260) main_length), 192474#(<= (+ main_offset 39240) main_length), 192475#(<= (+ main_offset 39236) main_length), 192472#(<= (+ main_offset 39248) main_length), 192473#(<= (+ main_offset 39244) main_length), 192478#(<= (+ main_offset 39224) main_length), 192479#(<= (+ main_offset 39220) main_length), 192476#(<= (+ main_offset 39232) main_length), 192477#(<= (+ main_offset 39228) main_length), 192482#(<= (+ main_offset 39208) main_length), 192483#(<= (+ main_offset 39204) main_length), 192480#(<= (+ main_offset 39216) main_length), 192481#(<= (+ main_offset 39212) main_length), 192486#(<= (+ main_offset 39192) main_length), 192487#(<= (+ main_offset 39188) main_length), 192484#(<= (+ main_offset 39200) main_length), 192485#(<= (+ main_offset 39196) main_length), 192488#(<= (+ main_offset 39184) main_length)] [2018-07-23 13:57:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 41820 backedges. 0 proven. 41820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:48,371 INFO L450 AbstractCegarLoop]: Interpolant automaton has 207 states [2018-07-23 13:57:48,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2018-07-23 13:57:48,376 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:57:48,376 INFO L87 Difference]: Start difference. First operand 412 states and 412 transitions. Second operand 207 states. [2018-07-23 13:57:50,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:50,779 INFO L93 Difference]: Finished difference Result 415 states and 415 transitions. [2018-07-23 13:57:50,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2018-07-23 13:57:50,779 INFO L78 Accepts]: Start accepts. Automaton has 207 states. Word has length 411 [2018-07-23 13:57:50,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:50,780 INFO L225 Difference]: With dead ends: 415 [2018-07-23 13:57:50,780 INFO L226 Difference]: Without dead ends: 414 [2018-07-23 13:57:50,782 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:57:50,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-07-23 13:57:50,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2018-07-23 13:57:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-07-23 13:57:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 414 transitions. [2018-07-23 13:57:50,787 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 414 transitions. Word has length 411 [2018-07-23 13:57:50,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:50,787 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 414 transitions. [2018-07-23 13:57:50,787 INFO L472 AbstractCegarLoop]: Interpolant automaton has 207 states. [2018-07-23 13:57:50,787 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 414 transitions. [2018-07-23 13:57:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-07-23 13:57:50,788 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:50,789 INFO L357 BasicCegarLoop]: trace histogram [206, 205, 1, 1] [2018-07-23 13:57:50,789 INFO L414 AbstractCegarLoop]: === Iteration 206 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:50,789 INFO L82 PathProgramCache]: Analyzing trace with hash -596574534, now seen corresponding path program 205 times [2018-07-23 13:57:50,789 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 42230 backedges. 0 proven. 42230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:52,437 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:52,437 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [206] total 206 [2018-07-23 13:57:52,437 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:52,438 INFO L185 omatonBuilderFactory]: Interpolants [194147#true, 194150#(<= (+ main_offset 39996) main_length), 194151#(<= (+ main_offset 39992) main_length), 194148#false, 194149#(<= (+ main_offset 40000) main_length), 194154#(<= (+ main_offset 39980) main_length), 194155#(<= (+ main_offset 39976) main_length), 194152#(<= (+ main_offset 39988) main_length), 194153#(<= (+ main_offset 39984) main_length), 194158#(<= (+ main_offset 39964) main_length), 194159#(<= (+ main_offset 39960) main_length), 194156#(<= (+ main_offset 39972) main_length), 194157#(<= (+ main_offset 39968) main_length), 194162#(<= (+ main_offset 39948) main_length), 194163#(<= (+ main_offset 39944) main_length), 194160#(<= (+ main_offset 39956) main_length), 194161#(<= (+ main_offset 39952) main_length), 194166#(<= (+ main_offset 39932) main_length), 194167#(<= (+ main_offset 39928) main_length), 194164#(<= (+ main_offset 39940) main_length), 194165#(<= (+ main_offset 39936) main_length), 194170#(<= (+ main_offset 39916) main_length), 194171#(<= (+ main_offset 39912) main_length), 194168#(<= (+ main_offset 39924) main_length), 194169#(<= (+ main_offset 39920) main_length), 194174#(<= (+ main_offset 39900) main_length), 194175#(<= (+ main_offset 39896) main_length), 194172#(<= (+ main_offset 39908) main_length), 194173#(<= (+ main_offset 39904) main_length), 194178#(<= (+ main_offset 39884) main_length), 194179#(<= (+ main_offset 39880) main_length), 194176#(<= (+ main_offset 39892) main_length), 194177#(<= (+ main_offset 39888) main_length), 194182#(<= (+ main_offset 39868) main_length), 194183#(<= (+ main_offset 39864) main_length), 194180#(<= (+ main_offset 39876) main_length), 194181#(<= (+ main_offset 39872) main_length), 194186#(<= (+ main_offset 39852) main_length), 194187#(<= (+ main_offset 39848) main_length), 194184#(<= (+ main_offset 39860) main_length), 194185#(<= (+ main_offset 39856) main_length), 194190#(<= (+ main_offset 39836) main_length), 194191#(<= (+ main_offset 39832) main_length), 194188#(<= (+ main_offset 39844) main_length), 194189#(<= (+ main_offset 39840) main_length), 194194#(<= (+ main_offset 39820) main_length), 194195#(<= (+ main_offset 39816) main_length), 194192#(<= (+ main_offset 39828) main_length), 194193#(<= (+ main_offset 39824) main_length), 194198#(<= (+ main_offset 39804) main_length), 194199#(<= (+ main_offset 39800) main_length), 194196#(<= (+ main_offset 39812) main_length), 194197#(<= (+ main_offset 39808) main_length), 194202#(<= (+ main_offset 39788) main_length), 194203#(<= (+ main_offset 39784) main_length), 194200#(<= (+ main_offset 39796) main_length), 194201#(<= (+ main_offset 39792) main_length), 194206#(<= (+ main_offset 39772) main_length), 194207#(<= (+ main_offset 39768) main_length), 194204#(<= (+ main_offset 39780) main_length), 194205#(<= (+ main_offset 39776) main_length), 194210#(<= (+ main_offset 39756) main_length), 194211#(<= (+ main_offset 39752) main_length), 194208#(<= (+ main_offset 39764) main_length), 194209#(<= (+ main_offset 39760) main_length), 194214#(<= (+ main_offset 39740) main_length), 194215#(<= (+ main_offset 39736) main_length), 194212#(<= (+ main_offset 39748) main_length), 194213#(<= (+ main_offset 39744) main_length), 194218#(<= (+ main_offset 39724) main_length), 194219#(<= (+ main_offset 39720) main_length), 194216#(<= (+ main_offset 39732) main_length), 194217#(<= (+ main_offset 39728) main_length), 194222#(<= (+ main_offset 39708) main_length), 194223#(<= (+ main_offset 39704) main_length), 194220#(<= (+ main_offset 39716) main_length), 194221#(<= (+ main_offset 39712) main_length), 194226#(<= (+ main_offset 39692) main_length), 194227#(<= (+ main_offset 39688) main_length), 194224#(<= (+ main_offset 39700) main_length), 194225#(<= (+ main_offset 39696) main_length), 194230#(<= (+ main_offset 39676) main_length), 194231#(<= (+ main_offset 39672) main_length), 194228#(<= (+ main_offset 39684) main_length), 194229#(<= (+ main_offset 39680) main_length), 194234#(<= (+ main_offset 39660) main_length), 194235#(<= (+ main_offset 39656) main_length), 194232#(<= (+ main_offset 39668) main_length), 194233#(<= (+ main_offset 39664) main_length), 194238#(<= (+ main_offset 39644) main_length), 194239#(<= (+ main_offset 39640) main_length), 194236#(<= (+ main_offset 39652) main_length), 194237#(<= (+ main_offset 39648) main_length), 194242#(<= (+ main_offset 39628) main_length), 194243#(<= (+ main_offset 39624) main_length), 194240#(<= (+ main_offset 39636) main_length), 194241#(<= (+ main_offset 39632) main_length), 194246#(<= (+ main_offset 39612) main_length), 194247#(<= (+ main_offset 39608) main_length), 194244#(<= (+ main_offset 39620) main_length), 194245#(<= (+ main_offset 39616) main_length), 194250#(<= (+ main_offset 39596) main_length), 194251#(<= (+ main_offset 39592) main_length), 194248#(<= (+ main_offset 39604) main_length), 194249#(<= (+ main_offset 39600) main_length), 194254#(<= (+ main_offset 39580) main_length), 194255#(<= (+ main_offset 39576) main_length), 194252#(<= (+ main_offset 39588) main_length), 194253#(<= (+ main_offset 39584) main_length), 194258#(<= (+ main_offset 39564) main_length), 194259#(<= (+ main_offset 39560) main_length), 194256#(<= (+ main_offset 39572) main_length), 194257#(<= (+ main_offset 39568) main_length), 194262#(<= (+ main_offset 39548) main_length), 194263#(<= (+ main_offset 39544) main_length), 194260#(<= (+ main_offset 39556) main_length), 194261#(<= (+ main_offset 39552) main_length), 194266#(<= (+ main_offset 39532) main_length), 194267#(<= (+ main_offset 39528) main_length), 194264#(<= (+ main_offset 39540) main_length), 194265#(<= (+ main_offset 39536) main_length), 194270#(<= (+ main_offset 39516) main_length), 194271#(<= (+ main_offset 39512) main_length), 194268#(<= (+ main_offset 39524) main_length), 194269#(<= (+ main_offset 39520) main_length), 194274#(<= (+ main_offset 39500) main_length), 194275#(<= (+ main_offset 39496) main_length), 194272#(<= (+ main_offset 39508) main_length), 194273#(<= (+ main_offset 39504) main_length), 194278#(<= (+ main_offset 39484) main_length), 194279#(<= (+ main_offset 39480) main_length), 194276#(<= (+ main_offset 39492) main_length), 194277#(<= (+ main_offset 39488) main_length), 194282#(<= (+ main_offset 39468) main_length), 194283#(<= (+ main_offset 39464) main_length), 194280#(<= (+ main_offset 39476) main_length), 194281#(<= (+ main_offset 39472) main_length), 194286#(<= (+ main_offset 39452) main_length), 194287#(<= (+ main_offset 39448) main_length), 194284#(<= (+ main_offset 39460) main_length), 194285#(<= (+ main_offset 39456) main_length), 194290#(<= (+ main_offset 39436) main_length), 194291#(<= (+ main_offset 39432) main_length), 194288#(<= (+ main_offset 39444) main_length), 194289#(<= (+ main_offset 39440) main_length), 194294#(<= (+ main_offset 39420) main_length), 194295#(<= (+ main_offset 39416) main_length), 194292#(<= (+ main_offset 39428) main_length), 194293#(<= (+ main_offset 39424) main_length), 194298#(<= (+ main_offset 39404) main_length), 194299#(<= (+ main_offset 39400) main_length), 194296#(<= (+ main_offset 39412) main_length), 194297#(<= (+ main_offset 39408) main_length), 194302#(<= (+ main_offset 39388) main_length), 194303#(<= (+ main_offset 39384) main_length), 194300#(<= (+ main_offset 39396) main_length), 194301#(<= (+ main_offset 39392) main_length), 194306#(<= (+ main_offset 39372) main_length), 194307#(<= (+ main_offset 39368) main_length), 194304#(<= (+ main_offset 39380) main_length), 194305#(<= (+ main_offset 39376) main_length), 194310#(<= (+ main_offset 39356) main_length), 194311#(<= (+ main_offset 39352) main_length), 194308#(<= (+ main_offset 39364) main_length), 194309#(<= (+ main_offset 39360) main_length), 194314#(<= (+ main_offset 39340) main_length), 194315#(<= (+ main_offset 39336) main_length), 194312#(<= (+ main_offset 39348) main_length), 194313#(<= (+ main_offset 39344) main_length), 194318#(<= (+ main_offset 39324) main_length), 194319#(<= (+ main_offset 39320) main_length), 194316#(<= (+ main_offset 39332) main_length), 194317#(<= (+ main_offset 39328) main_length), 194322#(<= (+ main_offset 39308) main_length), 194323#(<= (+ main_offset 39304) main_length), 194320#(<= (+ main_offset 39316) main_length), 194321#(<= (+ main_offset 39312) main_length), 194326#(<= (+ main_offset 39292) main_length), 194327#(<= (+ main_offset 39288) main_length), 194324#(<= (+ main_offset 39300) main_length), 194325#(<= (+ main_offset 39296) main_length), 194330#(<= (+ main_offset 39276) main_length), 194331#(<= (+ main_offset 39272) main_length), 194328#(<= (+ main_offset 39284) main_length), 194329#(<= (+ main_offset 39280) main_length), 194334#(<= (+ main_offset 39260) main_length), 194335#(<= (+ main_offset 39256) main_length), 194332#(<= (+ main_offset 39268) main_length), 194333#(<= (+ main_offset 39264) main_length), 194338#(<= (+ main_offset 39244) main_length), 194339#(<= (+ main_offset 39240) main_length), 194336#(<= (+ main_offset 39252) main_length), 194337#(<= (+ main_offset 39248) main_length), 194342#(<= (+ main_offset 39228) main_length), 194343#(<= (+ main_offset 39224) main_length), 194340#(<= (+ main_offset 39236) main_length), 194341#(<= (+ main_offset 39232) main_length), 194346#(<= (+ main_offset 39212) main_length), 194347#(<= (+ main_offset 39208) main_length), 194344#(<= (+ main_offset 39220) main_length), 194345#(<= (+ main_offset 39216) main_length), 194350#(<= (+ main_offset 39196) main_length), 194351#(<= (+ main_offset 39192) main_length), 194348#(<= (+ main_offset 39204) main_length), 194349#(<= (+ main_offset 39200) main_length), 194354#(<= (+ main_offset 39180) main_length), 194352#(<= (+ main_offset 39188) main_length), 194353#(<= (+ main_offset 39184) main_length)] [2018-07-23 13:57:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 42230 backedges. 0 proven. 42230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:52,440 INFO L450 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-07-23 13:57:52,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-07-23 13:57:52,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:57:52,443 INFO L87 Difference]: Start difference. First operand 414 states and 414 transitions. Second operand 208 states. [2018-07-23 13:57:53,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:53,795 INFO L93 Difference]: Finished difference Result 417 states and 417 transitions. [2018-07-23 13:57:53,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2018-07-23 13:57:53,796 INFO L78 Accepts]: Start accepts. Automaton has 208 states. Word has length 413 [2018-07-23 13:57:53,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:53,796 INFO L225 Difference]: With dead ends: 417 [2018-07-23 13:57:53,796 INFO L226 Difference]: Without dead ends: 416 [2018-07-23 13:57:53,798 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:57:53,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-07-23 13:57:53,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2018-07-23 13:57:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-07-23 13:57:53,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 416 transitions. [2018-07-23 13:57:53,803 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 416 transitions. Word has length 413 [2018-07-23 13:57:53,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:53,803 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 416 transitions. [2018-07-23 13:57:53,803 INFO L472 AbstractCegarLoop]: Interpolant automaton has 208 states. [2018-07-23 13:57:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 416 transitions. [2018-07-23 13:57:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2018-07-23 13:57:53,804 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:53,805 INFO L357 BasicCegarLoop]: trace histogram [207, 206, 1, 1] [2018-07-23 13:57:53,805 INFO L414 AbstractCegarLoop]: === Iteration 207 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:53,805 INFO L82 PathProgramCache]: Analyzing trace with hash -2077475716, now seen corresponding path program 206 times [2018-07-23 13:57:53,805 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 42642 backedges. 0 proven. 42642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:55,580 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:55,580 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2018-07-23 13:57:55,580 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:55,581 INFO L185 omatonBuilderFactory]: Interpolants [196098#(<= (+ main_offset 39700) main_length), 196099#(<= (+ main_offset 39696) main_length), 196096#(<= (+ main_offset 39708) main_length), 196097#(<= (+ main_offset 39704) main_length), 196102#(<= (+ main_offset 39684) main_length), 196103#(<= (+ main_offset 39680) main_length), 196100#(<= (+ main_offset 39692) main_length), 196101#(<= (+ main_offset 39688) main_length), 196106#(<= (+ main_offset 39668) main_length), 196107#(<= (+ main_offset 39664) main_length), 196104#(<= (+ main_offset 39676) main_length), 196105#(<= (+ main_offset 39672) main_length), 196110#(<= (+ main_offset 39652) main_length), 196111#(<= (+ main_offset 39648) main_length), 196108#(<= (+ main_offset 39660) main_length), 196109#(<= (+ main_offset 39656) main_length), 196114#(<= (+ main_offset 39636) main_length), 196115#(<= (+ main_offset 39632) main_length), 196112#(<= (+ main_offset 39644) main_length), 196113#(<= (+ main_offset 39640) main_length), 196118#(<= (+ main_offset 39620) main_length), 196119#(<= (+ main_offset 39616) main_length), 196116#(<= (+ main_offset 39628) main_length), 196117#(<= (+ main_offset 39624) main_length), 196122#(<= (+ main_offset 39604) main_length), 196123#(<= (+ main_offset 39600) main_length), 196120#(<= (+ main_offset 39612) main_length), 196121#(<= (+ main_offset 39608) main_length), 196126#(<= (+ main_offset 39588) main_length), 196127#(<= (+ main_offset 39584) main_length), 196124#(<= (+ main_offset 39596) main_length), 196125#(<= (+ main_offset 39592) main_length), 196130#(<= (+ main_offset 39572) main_length), 196131#(<= (+ main_offset 39568) main_length), 196128#(<= (+ main_offset 39580) main_length), 196129#(<= (+ main_offset 39576) main_length), 196134#(<= (+ main_offset 39556) main_length), 196135#(<= (+ main_offset 39552) main_length), 196132#(<= (+ main_offset 39564) main_length), 196133#(<= (+ main_offset 39560) main_length), 196138#(<= (+ main_offset 39540) main_length), 196139#(<= (+ main_offset 39536) main_length), 196136#(<= (+ main_offset 39548) main_length), 196137#(<= (+ main_offset 39544) main_length), 196142#(<= (+ main_offset 39524) main_length), 196143#(<= (+ main_offset 39520) main_length), 196140#(<= (+ main_offset 39532) main_length), 196141#(<= (+ main_offset 39528) main_length), 196146#(<= (+ main_offset 39508) main_length), 196147#(<= (+ main_offset 39504) main_length), 196144#(<= (+ main_offset 39516) main_length), 196145#(<= (+ main_offset 39512) main_length), 196150#(<= (+ main_offset 39492) main_length), 196151#(<= (+ main_offset 39488) main_length), 196148#(<= (+ main_offset 39500) main_length), 196149#(<= (+ main_offset 39496) main_length), 196154#(<= (+ main_offset 39476) main_length), 196155#(<= (+ main_offset 39472) main_length), 196152#(<= (+ main_offset 39484) main_length), 196153#(<= (+ main_offset 39480) main_length), 196158#(<= (+ main_offset 39460) main_length), 196159#(<= (+ main_offset 39456) main_length), 196156#(<= (+ main_offset 39468) main_length), 196157#(<= (+ main_offset 39464) main_length), 196162#(<= (+ main_offset 39444) main_length), 196163#(<= (+ main_offset 39440) main_length), 196160#(<= (+ main_offset 39452) main_length), 196161#(<= (+ main_offset 39448) main_length), 196166#(<= (+ main_offset 39428) main_length), 196167#(<= (+ main_offset 39424) main_length), 196164#(<= (+ main_offset 39436) main_length), 196165#(<= (+ main_offset 39432) main_length), 196170#(<= (+ main_offset 39412) main_length), 196171#(<= (+ main_offset 39408) main_length), 196168#(<= (+ main_offset 39420) main_length), 196169#(<= (+ main_offset 39416) main_length), 196174#(<= (+ main_offset 39396) main_length), 196175#(<= (+ main_offset 39392) main_length), 196172#(<= (+ main_offset 39404) main_length), 196173#(<= (+ main_offset 39400) main_length), 196178#(<= (+ main_offset 39380) main_length), 196179#(<= (+ main_offset 39376) main_length), 196176#(<= (+ main_offset 39388) main_length), 196177#(<= (+ main_offset 39384) main_length), 196182#(<= (+ main_offset 39364) main_length), 196183#(<= (+ main_offset 39360) main_length), 196180#(<= (+ main_offset 39372) main_length), 196181#(<= (+ main_offset 39368) main_length), 196186#(<= (+ main_offset 39348) main_length), 196187#(<= (+ main_offset 39344) main_length), 196184#(<= (+ main_offset 39356) main_length), 196185#(<= (+ main_offset 39352) main_length), 196190#(<= (+ main_offset 39332) main_length), 196191#(<= (+ main_offset 39328) main_length), 196188#(<= (+ main_offset 39340) main_length), 196189#(<= (+ main_offset 39336) main_length), 196194#(<= (+ main_offset 39316) main_length), 196195#(<= (+ main_offset 39312) main_length), 196192#(<= (+ main_offset 39324) main_length), 196193#(<= (+ main_offset 39320) main_length), 196198#(<= (+ main_offset 39300) main_length), 196199#(<= (+ main_offset 39296) main_length), 196196#(<= (+ main_offset 39308) main_length), 196197#(<= (+ main_offset 39304) main_length), 196202#(<= (+ main_offset 39284) main_length), 196203#(<= (+ main_offset 39280) main_length), 196200#(<= (+ main_offset 39292) main_length), 196201#(<= (+ main_offset 39288) main_length), 196206#(<= (+ main_offset 39268) main_length), 196207#(<= (+ main_offset 39264) main_length), 196204#(<= (+ main_offset 39276) main_length), 196205#(<= (+ main_offset 39272) main_length), 196210#(<= (+ main_offset 39252) main_length), 196211#(<= (+ main_offset 39248) main_length), 196208#(<= (+ main_offset 39260) main_length), 196209#(<= (+ main_offset 39256) main_length), 196214#(<= (+ main_offset 39236) main_length), 196215#(<= (+ main_offset 39232) main_length), 196212#(<= (+ main_offset 39244) main_length), 196213#(<= (+ main_offset 39240) main_length), 196218#(<= (+ main_offset 39220) main_length), 196219#(<= (+ main_offset 39216) main_length), 196216#(<= (+ main_offset 39228) main_length), 196217#(<= (+ main_offset 39224) main_length), 196222#(<= (+ main_offset 39204) main_length), 196223#(<= (+ main_offset 39200) main_length), 196220#(<= (+ main_offset 39212) main_length), 196221#(<= (+ main_offset 39208) main_length), 196226#(<= (+ main_offset 39188) main_length), 196227#(<= (+ main_offset 39184) main_length), 196224#(<= (+ main_offset 39196) main_length), 196225#(<= (+ main_offset 39192) main_length), 196228#(<= (+ main_offset 39180) main_length), 196229#(<= (+ main_offset 39176) main_length), 196022#false, 196023#(<= (+ main_offset 40000) main_length), 196021#true, 196026#(<= (+ main_offset 39988) main_length), 196027#(<= (+ main_offset 39984) main_length), 196024#(<= (+ main_offset 39996) main_length), 196025#(<= (+ main_offset 39992) main_length), 196030#(<= (+ main_offset 39972) main_length), 196031#(<= (+ main_offset 39968) main_length), 196028#(<= (+ main_offset 39980) main_length), 196029#(<= (+ main_offset 39976) main_length), 196034#(<= (+ main_offset 39956) main_length), 196035#(<= (+ main_offset 39952) main_length), 196032#(<= (+ main_offset 39964) main_length), 196033#(<= (+ main_offset 39960) main_length), 196038#(<= (+ main_offset 39940) main_length), 196039#(<= (+ main_offset 39936) main_length), 196036#(<= (+ main_offset 39948) main_length), 196037#(<= (+ main_offset 39944) main_length), 196042#(<= (+ main_offset 39924) main_length), 196043#(<= (+ main_offset 39920) main_length), 196040#(<= (+ main_offset 39932) main_length), 196041#(<= (+ main_offset 39928) main_length), 196046#(<= (+ main_offset 39908) main_length), 196047#(<= (+ main_offset 39904) main_length), 196044#(<= (+ main_offset 39916) main_length), 196045#(<= (+ main_offset 39912) main_length), 196050#(<= (+ main_offset 39892) main_length), 196051#(<= (+ main_offset 39888) main_length), 196048#(<= (+ main_offset 39900) main_length), 196049#(<= (+ main_offset 39896) main_length), 196054#(<= (+ main_offset 39876) main_length), 196055#(<= (+ main_offset 39872) main_length), 196052#(<= (+ main_offset 39884) main_length), 196053#(<= (+ main_offset 39880) main_length), 196058#(<= (+ main_offset 39860) main_length), 196059#(<= (+ main_offset 39856) main_length), 196056#(<= (+ main_offset 39868) main_length), 196057#(<= (+ main_offset 39864) main_length), 196062#(<= (+ main_offset 39844) main_length), 196063#(<= (+ main_offset 39840) main_length), 196060#(<= (+ main_offset 39852) main_length), 196061#(<= (+ main_offset 39848) main_length), 196066#(<= (+ main_offset 39828) main_length), 196067#(<= (+ main_offset 39824) main_length), 196064#(<= (+ main_offset 39836) main_length), 196065#(<= (+ main_offset 39832) main_length), 196070#(<= (+ main_offset 39812) main_length), 196071#(<= (+ main_offset 39808) main_length), 196068#(<= (+ main_offset 39820) main_length), 196069#(<= (+ main_offset 39816) main_length), 196074#(<= (+ main_offset 39796) main_length), 196075#(<= (+ main_offset 39792) main_length), 196072#(<= (+ main_offset 39804) main_length), 196073#(<= (+ main_offset 39800) main_length), 196078#(<= (+ main_offset 39780) main_length), 196079#(<= (+ main_offset 39776) main_length), 196076#(<= (+ main_offset 39788) main_length), 196077#(<= (+ main_offset 39784) main_length), 196082#(<= (+ main_offset 39764) main_length), 196083#(<= (+ main_offset 39760) main_length), 196080#(<= (+ main_offset 39772) main_length), 196081#(<= (+ main_offset 39768) main_length), 196086#(<= (+ main_offset 39748) main_length), 196087#(<= (+ main_offset 39744) main_length), 196084#(<= (+ main_offset 39756) main_length), 196085#(<= (+ main_offset 39752) main_length), 196090#(<= (+ main_offset 39732) main_length), 196091#(<= (+ main_offset 39728) main_length), 196088#(<= (+ main_offset 39740) main_length), 196089#(<= (+ main_offset 39736) main_length), 196094#(<= (+ main_offset 39716) main_length), 196095#(<= (+ main_offset 39712) main_length), 196092#(<= (+ main_offset 39724) main_length), 196093#(<= (+ main_offset 39720) main_length)] [2018-07-23 13:57:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 42642 backedges. 0 proven. 42642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:55,583 INFO L450 AbstractCegarLoop]: Interpolant automaton has 209 states [2018-07-23 13:57:55,584 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2018-07-23 13:57:55,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:57:55,585 INFO L87 Difference]: Start difference. First operand 416 states and 416 transitions. Second operand 209 states. [2018-07-23 13:57:56,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:56,600 INFO L93 Difference]: Finished difference Result 419 states and 419 transitions. [2018-07-23 13:57:56,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:57:56,600 INFO L78 Accepts]: Start accepts. Automaton has 209 states. Word has length 415 [2018-07-23 13:57:56,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:56,601 INFO L225 Difference]: With dead ends: 419 [2018-07-23 13:57:56,601 INFO L226 Difference]: Without dead ends: 418 [2018-07-23 13:57:56,602 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:57:56,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2018-07-23 13:57:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2018-07-23 13:57:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2018-07-23 13:57:56,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 418 transitions. [2018-07-23 13:57:56,606 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 418 transitions. Word has length 415 [2018-07-23 13:57:56,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:56,606 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 418 transitions. [2018-07-23 13:57:56,606 INFO L472 AbstractCegarLoop]: Interpolant automaton has 209 states. [2018-07-23 13:57:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 418 transitions. [2018-07-23 13:57:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2018-07-23 13:57:56,608 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:56,608 INFO L357 BasicCegarLoop]: trace histogram [208, 207, 1, 1] [2018-07-23 13:57:56,608 INFO L414 AbstractCegarLoop]: === Iteration 208 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:56,608 INFO L82 PathProgramCache]: Analyzing trace with hash 705630654, now seen corresponding path program 207 times [2018-07-23 13:57:56,608 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 43056 backedges. 0 proven. 43056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:58,392 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:58,392 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [208] total 208 [2018-07-23 13:57:58,392 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:58,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:58,393 INFO L185 omatonBuilderFactory]: Interpolants [197907#(<= (+ main_offset 39996) main_length), 197906#(<= (+ main_offset 40000) main_length), 197905#false, 197904#true, 197911#(<= (+ main_offset 39980) main_length), 197910#(<= (+ main_offset 39984) main_length), 197909#(<= (+ main_offset 39988) main_length), 197908#(<= (+ main_offset 39992) main_length), 197915#(<= (+ main_offset 39964) main_length), 197914#(<= (+ main_offset 39968) main_length), 197913#(<= (+ main_offset 39972) main_length), 197912#(<= (+ main_offset 39976) main_length), 197919#(<= (+ main_offset 39948) main_length), 197918#(<= (+ main_offset 39952) main_length), 197917#(<= (+ main_offset 39956) main_length), 197916#(<= (+ main_offset 39960) main_length), 197923#(<= (+ main_offset 39932) main_length), 197922#(<= (+ main_offset 39936) main_length), 197921#(<= (+ main_offset 39940) main_length), 197920#(<= (+ main_offset 39944) main_length), 197927#(<= (+ main_offset 39916) main_length), 197926#(<= (+ main_offset 39920) main_length), 197925#(<= (+ main_offset 39924) main_length), 197924#(<= (+ main_offset 39928) main_length), 197931#(<= (+ main_offset 39900) main_length), 197930#(<= (+ main_offset 39904) main_length), 197929#(<= (+ main_offset 39908) main_length), 197928#(<= (+ main_offset 39912) main_length), 197935#(<= (+ main_offset 39884) main_length), 197934#(<= (+ main_offset 39888) main_length), 197933#(<= (+ main_offset 39892) main_length), 197932#(<= (+ main_offset 39896) main_length), 197939#(<= (+ main_offset 39868) main_length), 197938#(<= (+ main_offset 39872) main_length), 197937#(<= (+ main_offset 39876) main_length), 197936#(<= (+ main_offset 39880) main_length), 197943#(<= (+ main_offset 39852) main_length), 197942#(<= (+ main_offset 39856) main_length), 197941#(<= (+ main_offset 39860) main_length), 197940#(<= (+ main_offset 39864) main_length), 197947#(<= (+ main_offset 39836) main_length), 197946#(<= (+ main_offset 39840) main_length), 197945#(<= (+ main_offset 39844) main_length), 197944#(<= (+ main_offset 39848) main_length), 197951#(<= (+ main_offset 39820) main_length), 197950#(<= (+ main_offset 39824) main_length), 197949#(<= (+ main_offset 39828) main_length), 197948#(<= (+ main_offset 39832) main_length), 197955#(<= (+ main_offset 39804) main_length), 197954#(<= (+ main_offset 39808) main_length), 197953#(<= (+ main_offset 39812) main_length), 197952#(<= (+ main_offset 39816) main_length), 197959#(<= (+ main_offset 39788) main_length), 197958#(<= (+ main_offset 39792) main_length), 197957#(<= (+ main_offset 39796) main_length), 197956#(<= (+ main_offset 39800) main_length), 197963#(<= (+ main_offset 39772) main_length), 197962#(<= (+ main_offset 39776) main_length), 197961#(<= (+ main_offset 39780) main_length), 197960#(<= (+ main_offset 39784) main_length), 197967#(<= (+ main_offset 39756) main_length), 197966#(<= (+ main_offset 39760) main_length), 197965#(<= (+ main_offset 39764) main_length), 197964#(<= (+ main_offset 39768) main_length), 197971#(<= (+ main_offset 39740) main_length), 197970#(<= (+ main_offset 39744) main_length), 197969#(<= (+ main_offset 39748) main_length), 197968#(<= (+ main_offset 39752) main_length), 197975#(<= (+ main_offset 39724) main_length), 197974#(<= (+ main_offset 39728) main_length), 197973#(<= (+ main_offset 39732) main_length), 197972#(<= (+ main_offset 39736) main_length), 197979#(<= (+ main_offset 39708) main_length), 197978#(<= (+ main_offset 39712) main_length), 197977#(<= (+ main_offset 39716) main_length), 197976#(<= (+ main_offset 39720) main_length), 197983#(<= (+ main_offset 39692) main_length), 197982#(<= (+ main_offset 39696) main_length), 197981#(<= (+ main_offset 39700) main_length), 197980#(<= (+ main_offset 39704) main_length), 197987#(<= (+ main_offset 39676) main_length), 197986#(<= (+ main_offset 39680) main_length), 197985#(<= (+ main_offset 39684) main_length), 197984#(<= (+ main_offset 39688) main_length), 197991#(<= (+ main_offset 39660) main_length), 197990#(<= (+ main_offset 39664) main_length), 197989#(<= (+ main_offset 39668) main_length), 197988#(<= (+ main_offset 39672) main_length), 197995#(<= (+ main_offset 39644) main_length), 197994#(<= (+ main_offset 39648) main_length), 197993#(<= (+ main_offset 39652) main_length), 197992#(<= (+ main_offset 39656) main_length), 197999#(<= (+ main_offset 39628) main_length), 197998#(<= (+ main_offset 39632) main_length), 197997#(<= (+ main_offset 39636) main_length), 197996#(<= (+ main_offset 39640) main_length), 198003#(<= (+ main_offset 39612) main_length), 198002#(<= (+ main_offset 39616) main_length), 198001#(<= (+ main_offset 39620) main_length), 198000#(<= (+ main_offset 39624) main_length), 198007#(<= (+ main_offset 39596) main_length), 198006#(<= (+ main_offset 39600) main_length), 198005#(<= (+ main_offset 39604) main_length), 198004#(<= (+ main_offset 39608) main_length), 198011#(<= (+ main_offset 39580) main_length), 198010#(<= (+ main_offset 39584) main_length), 198009#(<= (+ main_offset 39588) main_length), 198008#(<= (+ main_offset 39592) main_length), 198015#(<= (+ main_offset 39564) main_length), 198014#(<= (+ main_offset 39568) main_length), 198013#(<= (+ main_offset 39572) main_length), 198012#(<= (+ main_offset 39576) main_length), 198019#(<= (+ main_offset 39548) main_length), 198018#(<= (+ main_offset 39552) main_length), 198017#(<= (+ main_offset 39556) main_length), 198016#(<= (+ main_offset 39560) main_length), 198023#(<= (+ main_offset 39532) main_length), 198022#(<= (+ main_offset 39536) main_length), 198021#(<= (+ main_offset 39540) main_length), 198020#(<= (+ main_offset 39544) main_length), 198027#(<= (+ main_offset 39516) main_length), 198026#(<= (+ main_offset 39520) main_length), 198025#(<= (+ main_offset 39524) main_length), 198024#(<= (+ main_offset 39528) main_length), 198031#(<= (+ main_offset 39500) main_length), 198030#(<= (+ main_offset 39504) main_length), 198029#(<= (+ main_offset 39508) main_length), 198028#(<= (+ main_offset 39512) main_length), 198035#(<= (+ main_offset 39484) main_length), 198034#(<= (+ main_offset 39488) main_length), 198033#(<= (+ main_offset 39492) main_length), 198032#(<= (+ main_offset 39496) main_length), 198039#(<= (+ main_offset 39468) main_length), 198038#(<= (+ main_offset 39472) main_length), 198037#(<= (+ main_offset 39476) main_length), 198036#(<= (+ main_offset 39480) main_length), 198043#(<= (+ main_offset 39452) main_length), 198042#(<= (+ main_offset 39456) main_length), 198041#(<= (+ main_offset 39460) main_length), 198040#(<= (+ main_offset 39464) main_length), 198047#(<= (+ main_offset 39436) main_length), 198046#(<= (+ main_offset 39440) main_length), 198045#(<= (+ main_offset 39444) main_length), 198044#(<= (+ main_offset 39448) main_length), 198051#(<= (+ main_offset 39420) main_length), 198050#(<= (+ main_offset 39424) main_length), 198049#(<= (+ main_offset 39428) main_length), 198048#(<= (+ main_offset 39432) main_length), 198055#(<= (+ main_offset 39404) main_length), 198054#(<= (+ main_offset 39408) main_length), 198053#(<= (+ main_offset 39412) main_length), 198052#(<= (+ main_offset 39416) main_length), 198059#(<= (+ main_offset 39388) main_length), 198058#(<= (+ main_offset 39392) main_length), 198057#(<= (+ main_offset 39396) main_length), 198056#(<= (+ main_offset 39400) main_length), 198063#(<= (+ main_offset 39372) main_length), 198062#(<= (+ main_offset 39376) main_length), 198061#(<= (+ main_offset 39380) main_length), 198060#(<= (+ main_offset 39384) main_length), 198067#(<= (+ main_offset 39356) main_length), 198066#(<= (+ main_offset 39360) main_length), 198065#(<= (+ main_offset 39364) main_length), 198064#(<= (+ main_offset 39368) main_length), 198071#(<= (+ main_offset 39340) main_length), 198070#(<= (+ main_offset 39344) main_length), 198069#(<= (+ main_offset 39348) main_length), 198068#(<= (+ main_offset 39352) main_length), 198075#(<= (+ main_offset 39324) main_length), 198074#(<= (+ main_offset 39328) main_length), 198073#(<= (+ main_offset 39332) main_length), 198072#(<= (+ main_offset 39336) main_length), 198079#(<= (+ main_offset 39308) main_length), 198078#(<= (+ main_offset 39312) main_length), 198077#(<= (+ main_offset 39316) main_length), 198076#(<= (+ main_offset 39320) main_length), 198083#(<= (+ main_offset 39292) main_length), 198082#(<= (+ main_offset 39296) main_length), 198081#(<= (+ main_offset 39300) main_length), 198080#(<= (+ main_offset 39304) main_length), 198087#(<= (+ main_offset 39276) main_length), 198086#(<= (+ main_offset 39280) main_length), 198085#(<= (+ main_offset 39284) main_length), 198084#(<= (+ main_offset 39288) main_length), 198091#(<= (+ main_offset 39260) main_length), 198090#(<= (+ main_offset 39264) main_length), 198089#(<= (+ main_offset 39268) main_length), 198088#(<= (+ main_offset 39272) main_length), 198095#(<= (+ main_offset 39244) main_length), 198094#(<= (+ main_offset 39248) main_length), 198093#(<= (+ main_offset 39252) main_length), 198092#(<= (+ main_offset 39256) main_length), 198099#(<= (+ main_offset 39228) main_length), 198098#(<= (+ main_offset 39232) main_length), 198097#(<= (+ main_offset 39236) main_length), 198096#(<= (+ main_offset 39240) main_length), 198103#(<= (+ main_offset 39212) main_length), 198102#(<= (+ main_offset 39216) main_length), 198101#(<= (+ main_offset 39220) main_length), 198100#(<= (+ main_offset 39224) main_length), 198107#(<= (+ main_offset 39196) main_length), 198106#(<= (+ main_offset 39200) main_length), 198105#(<= (+ main_offset 39204) main_length), 198104#(<= (+ main_offset 39208) main_length), 198111#(<= (+ main_offset 39180) main_length), 198110#(<= (+ main_offset 39184) main_length), 198109#(<= (+ main_offset 39188) main_length), 198108#(<= (+ main_offset 39192) main_length), 198113#(<= (+ main_offset 39172) main_length), 198112#(<= (+ main_offset 39176) main_length)] [2018-07-23 13:57:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 43056 backedges. 0 proven. 43056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:58,395 INFO L450 AbstractCegarLoop]: Interpolant automaton has 210 states [2018-07-23 13:57:58,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2018-07-23 13:57:58,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:57:58,399 INFO L87 Difference]: Start difference. First operand 418 states and 418 transitions. Second operand 210 states. [2018-07-23 13:58:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:00,895 INFO L93 Difference]: Finished difference Result 421 states and 421 transitions. [2018-07-23 13:58:00,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2018-07-23 13:58:00,896 INFO L78 Accepts]: Start accepts. Automaton has 210 states. Word has length 417 [2018-07-23 13:58:00,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:00,896 INFO L225 Difference]: With dead ends: 421 [2018-07-23 13:58:00,896 INFO L226 Difference]: Without dead ends: 420 [2018-07-23 13:58:00,898 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:58:00,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-07-23 13:58:00,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2018-07-23 13:58:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-07-23 13:58:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 420 transitions. [2018-07-23 13:58:00,903 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 420 transitions. Word has length 417 [2018-07-23 13:58:00,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:00,903 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 420 transitions. [2018-07-23 13:58:00,903 INFO L472 AbstractCegarLoop]: Interpolant automaton has 210 states. [2018-07-23 13:58:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 420 transitions. [2018-07-23 13:58:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-07-23 13:58:00,904 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:00,904 INFO L357 BasicCegarLoop]: trace histogram [209, 208, 1, 1] [2018-07-23 13:58:00,904 INFO L414 AbstractCegarLoop]: === Iteration 209 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:00,905 INFO L82 PathProgramCache]: Analyzing trace with hash -493773184, now seen corresponding path program 208 times [2018-07-23 13:58:00,905 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 43472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:02,614 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:02,614 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [209] total 209 [2018-07-23 13:58:02,614 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:02,615 INFO L185 omatonBuilderFactory]: Interpolants [199799#(<= (+ main_offset 39996) main_length), 199798#(<= (+ main_offset 40000) main_length), 199797#false, 199796#true, 199803#(<= (+ main_offset 39980) main_length), 199802#(<= (+ main_offset 39984) main_length), 199801#(<= (+ main_offset 39988) main_length), 199800#(<= (+ main_offset 39992) main_length), 199807#(<= (+ main_offset 39964) main_length), 199806#(<= (+ main_offset 39968) main_length), 199805#(<= (+ main_offset 39972) main_length), 199804#(<= (+ main_offset 39976) main_length), 199811#(<= (+ main_offset 39948) main_length), 199810#(<= (+ main_offset 39952) main_length), 199809#(<= (+ main_offset 39956) main_length), 199808#(<= (+ main_offset 39960) main_length), 199815#(<= (+ main_offset 39932) main_length), 199814#(<= (+ main_offset 39936) main_length), 199813#(<= (+ main_offset 39940) main_length), 199812#(<= (+ main_offset 39944) main_length), 199819#(<= (+ main_offset 39916) main_length), 199818#(<= (+ main_offset 39920) main_length), 199817#(<= (+ main_offset 39924) main_length), 199816#(<= (+ main_offset 39928) main_length), 199823#(<= (+ main_offset 39900) main_length), 199822#(<= (+ main_offset 39904) main_length), 199821#(<= (+ main_offset 39908) main_length), 199820#(<= (+ main_offset 39912) main_length), 199827#(<= (+ main_offset 39884) main_length), 199826#(<= (+ main_offset 39888) main_length), 199825#(<= (+ main_offset 39892) main_length), 199824#(<= (+ main_offset 39896) main_length), 199831#(<= (+ main_offset 39868) main_length), 199830#(<= (+ main_offset 39872) main_length), 199829#(<= (+ main_offset 39876) main_length), 199828#(<= (+ main_offset 39880) main_length), 199835#(<= (+ main_offset 39852) main_length), 199834#(<= (+ main_offset 39856) main_length), 199833#(<= (+ main_offset 39860) main_length), 199832#(<= (+ main_offset 39864) main_length), 199839#(<= (+ main_offset 39836) main_length), 199838#(<= (+ main_offset 39840) main_length), 199837#(<= (+ main_offset 39844) main_length), 199836#(<= (+ main_offset 39848) main_length), 199843#(<= (+ main_offset 39820) main_length), 199842#(<= (+ main_offset 39824) main_length), 199841#(<= (+ main_offset 39828) main_length), 199840#(<= (+ main_offset 39832) main_length), 199847#(<= (+ main_offset 39804) main_length), 199846#(<= (+ main_offset 39808) main_length), 199845#(<= (+ main_offset 39812) main_length), 199844#(<= (+ main_offset 39816) main_length), 199851#(<= (+ main_offset 39788) main_length), 199850#(<= (+ main_offset 39792) main_length), 199849#(<= (+ main_offset 39796) main_length), 199848#(<= (+ main_offset 39800) main_length), 199855#(<= (+ main_offset 39772) main_length), 199854#(<= (+ main_offset 39776) main_length), 199853#(<= (+ main_offset 39780) main_length), 199852#(<= (+ main_offset 39784) main_length), 199859#(<= (+ main_offset 39756) main_length), 199858#(<= (+ main_offset 39760) main_length), 199857#(<= (+ main_offset 39764) main_length), 199856#(<= (+ main_offset 39768) main_length), 199863#(<= (+ main_offset 39740) main_length), 199862#(<= (+ main_offset 39744) main_length), 199861#(<= (+ main_offset 39748) main_length), 199860#(<= (+ main_offset 39752) main_length), 199867#(<= (+ main_offset 39724) main_length), 199866#(<= (+ main_offset 39728) main_length), 199865#(<= (+ main_offset 39732) main_length), 199864#(<= (+ main_offset 39736) main_length), 199871#(<= (+ main_offset 39708) main_length), 199870#(<= (+ main_offset 39712) main_length), 199869#(<= (+ main_offset 39716) main_length), 199868#(<= (+ main_offset 39720) main_length), 199875#(<= (+ main_offset 39692) main_length), 199874#(<= (+ main_offset 39696) main_length), 199873#(<= (+ main_offset 39700) main_length), 199872#(<= (+ main_offset 39704) main_length), 199879#(<= (+ main_offset 39676) main_length), 199878#(<= (+ main_offset 39680) main_length), 199877#(<= (+ main_offset 39684) main_length), 199876#(<= (+ main_offset 39688) main_length), 199883#(<= (+ main_offset 39660) main_length), 199882#(<= (+ main_offset 39664) main_length), 199881#(<= (+ main_offset 39668) main_length), 199880#(<= (+ main_offset 39672) main_length), 199887#(<= (+ main_offset 39644) main_length), 199886#(<= (+ main_offset 39648) main_length), 199885#(<= (+ main_offset 39652) main_length), 199884#(<= (+ main_offset 39656) main_length), 199891#(<= (+ main_offset 39628) main_length), 199890#(<= (+ main_offset 39632) main_length), 199889#(<= (+ main_offset 39636) main_length), 199888#(<= (+ main_offset 39640) main_length), 199895#(<= (+ main_offset 39612) main_length), 199894#(<= (+ main_offset 39616) main_length), 199893#(<= (+ main_offset 39620) main_length), 199892#(<= (+ main_offset 39624) main_length), 199899#(<= (+ main_offset 39596) main_length), 199898#(<= (+ main_offset 39600) main_length), 199897#(<= (+ main_offset 39604) main_length), 199896#(<= (+ main_offset 39608) main_length), 199903#(<= (+ main_offset 39580) main_length), 199902#(<= (+ main_offset 39584) main_length), 199901#(<= (+ main_offset 39588) main_length), 199900#(<= (+ main_offset 39592) main_length), 199907#(<= (+ main_offset 39564) main_length), 199906#(<= (+ main_offset 39568) main_length), 199905#(<= (+ main_offset 39572) main_length), 199904#(<= (+ main_offset 39576) main_length), 199911#(<= (+ main_offset 39548) main_length), 199910#(<= (+ main_offset 39552) main_length), 199909#(<= (+ main_offset 39556) main_length), 199908#(<= (+ main_offset 39560) main_length), 199915#(<= (+ main_offset 39532) main_length), 199914#(<= (+ main_offset 39536) main_length), 199913#(<= (+ main_offset 39540) main_length), 199912#(<= (+ main_offset 39544) main_length), 199919#(<= (+ main_offset 39516) main_length), 199918#(<= (+ main_offset 39520) main_length), 199917#(<= (+ main_offset 39524) main_length), 199916#(<= (+ main_offset 39528) main_length), 199923#(<= (+ main_offset 39500) main_length), 199922#(<= (+ main_offset 39504) main_length), 199921#(<= (+ main_offset 39508) main_length), 199920#(<= (+ main_offset 39512) main_length), 199927#(<= (+ main_offset 39484) main_length), 199926#(<= (+ main_offset 39488) main_length), 199925#(<= (+ main_offset 39492) main_length), 199924#(<= (+ main_offset 39496) main_length), 199931#(<= (+ main_offset 39468) main_length), 199930#(<= (+ main_offset 39472) main_length), 199929#(<= (+ main_offset 39476) main_length), 199928#(<= (+ main_offset 39480) main_length), 199935#(<= (+ main_offset 39452) main_length), 199934#(<= (+ main_offset 39456) main_length), 199933#(<= (+ main_offset 39460) main_length), 199932#(<= (+ main_offset 39464) main_length), 199939#(<= (+ main_offset 39436) main_length), 199938#(<= (+ main_offset 39440) main_length), 199937#(<= (+ main_offset 39444) main_length), 199936#(<= (+ main_offset 39448) main_length), 199943#(<= (+ main_offset 39420) main_length), 199942#(<= (+ main_offset 39424) main_length), 199941#(<= (+ main_offset 39428) main_length), 199940#(<= (+ main_offset 39432) main_length), 199947#(<= (+ main_offset 39404) main_length), 199946#(<= (+ main_offset 39408) main_length), 199945#(<= (+ main_offset 39412) main_length), 199944#(<= (+ main_offset 39416) main_length), 199951#(<= (+ main_offset 39388) main_length), 199950#(<= (+ main_offset 39392) main_length), 199949#(<= (+ main_offset 39396) main_length), 199948#(<= (+ main_offset 39400) main_length), 199955#(<= (+ main_offset 39372) main_length), 199954#(<= (+ main_offset 39376) main_length), 199953#(<= (+ main_offset 39380) main_length), 199952#(<= (+ main_offset 39384) main_length), 199959#(<= (+ main_offset 39356) main_length), 199958#(<= (+ main_offset 39360) main_length), 199957#(<= (+ main_offset 39364) main_length), 199956#(<= (+ main_offset 39368) main_length), 199963#(<= (+ main_offset 39340) main_length), 199962#(<= (+ main_offset 39344) main_length), 199961#(<= (+ main_offset 39348) main_length), 199960#(<= (+ main_offset 39352) main_length), 199967#(<= (+ main_offset 39324) main_length), 199966#(<= (+ main_offset 39328) main_length), 199965#(<= (+ main_offset 39332) main_length), 199964#(<= (+ main_offset 39336) main_length), 199971#(<= (+ main_offset 39308) main_length), 199970#(<= (+ main_offset 39312) main_length), 199969#(<= (+ main_offset 39316) main_length), 199968#(<= (+ main_offset 39320) main_length), 199975#(<= (+ main_offset 39292) main_length), 199974#(<= (+ main_offset 39296) main_length), 199973#(<= (+ main_offset 39300) main_length), 199972#(<= (+ main_offset 39304) main_length), 199979#(<= (+ main_offset 39276) main_length), 199978#(<= (+ main_offset 39280) main_length), 199977#(<= (+ main_offset 39284) main_length), 199976#(<= (+ main_offset 39288) main_length), 199983#(<= (+ main_offset 39260) main_length), 199982#(<= (+ main_offset 39264) main_length), 199981#(<= (+ main_offset 39268) main_length), 199980#(<= (+ main_offset 39272) main_length), 199987#(<= (+ main_offset 39244) main_length), 199986#(<= (+ main_offset 39248) main_length), 199985#(<= (+ main_offset 39252) main_length), 199984#(<= (+ main_offset 39256) main_length), 199991#(<= (+ main_offset 39228) main_length), 199990#(<= (+ main_offset 39232) main_length), 199989#(<= (+ main_offset 39236) main_length), 199988#(<= (+ main_offset 39240) main_length), 199995#(<= (+ main_offset 39212) main_length), 199994#(<= (+ main_offset 39216) main_length), 199993#(<= (+ main_offset 39220) main_length), 199992#(<= (+ main_offset 39224) main_length), 199999#(<= (+ main_offset 39196) main_length), 199998#(<= (+ main_offset 39200) main_length), 199997#(<= (+ main_offset 39204) main_length), 199996#(<= (+ main_offset 39208) main_length), 200003#(<= (+ main_offset 39180) main_length), 200002#(<= (+ main_offset 39184) main_length), 200001#(<= (+ main_offset 39188) main_length), 200000#(<= (+ main_offset 39192) main_length), 200006#(<= (+ main_offset 39168) main_length), 200005#(<= (+ main_offset 39172) main_length), 200004#(<= (+ main_offset 39176) main_length)] [2018-07-23 13:58:02,617 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 43472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:02,617 INFO L450 AbstractCegarLoop]: Interpolant automaton has 211 states [2018-07-23 13:58:02,619 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2018-07-23 13:58:02,620 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:58:02,621 INFO L87 Difference]: Start difference. First operand 420 states and 420 transitions. Second operand 211 states. [2018-07-23 13:58:03,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:03,864 INFO L93 Difference]: Finished difference Result 423 states and 423 transitions. [2018-07-23 13:58:03,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2018-07-23 13:58:03,864 INFO L78 Accepts]: Start accepts. Automaton has 211 states. Word has length 419 [2018-07-23 13:58:03,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:03,865 INFO L225 Difference]: With dead ends: 423 [2018-07-23 13:58:03,865 INFO L226 Difference]: Without dead ends: 422 [2018-07-23 13:58:03,867 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:58:03,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-07-23 13:58:03,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2018-07-23 13:58:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-07-23 13:58:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 422 transitions. [2018-07-23 13:58:03,871 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 422 transitions. Word has length 419 [2018-07-23 13:58:03,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:03,872 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 422 transitions. [2018-07-23 13:58:03,872 INFO L472 AbstractCegarLoop]: Interpolant automaton has 211 states. [2018-07-23 13:58:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 422 transitions. [2018-07-23 13:58:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-07-23 13:58:03,873 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:03,873 INFO L357 BasicCegarLoop]: trace histogram [210, 209, 1, 1] [2018-07-23 13:58:03,873 INFO L414 AbstractCegarLoop]: === Iteration 210 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:03,873 INFO L82 PathProgramCache]: Analyzing trace with hash -2069626174, now seen corresponding path program 209 times [2018-07-23 13:58:03,873 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 43890 backedges. 0 proven. 43890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:05,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:05,694 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [210] total 210 [2018-07-23 13:58:05,694 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:05,695 INFO L185 omatonBuilderFactory]: Interpolants [201731#(<= (+ main_offset 39872) main_length), 201730#(<= (+ main_offset 39876) main_length), 201729#(<= (+ main_offset 39880) main_length), 201728#(<= (+ main_offset 39884) main_length), 201735#(<= (+ main_offset 39856) main_length), 201734#(<= (+ main_offset 39860) main_length), 201733#(<= (+ main_offset 39864) main_length), 201732#(<= (+ main_offset 39868) main_length), 201739#(<= (+ main_offset 39840) main_length), 201738#(<= (+ main_offset 39844) main_length), 201737#(<= (+ main_offset 39848) main_length), 201736#(<= (+ main_offset 39852) main_length), 201743#(<= (+ main_offset 39824) main_length), 201742#(<= (+ main_offset 39828) main_length), 201741#(<= (+ main_offset 39832) main_length), 201740#(<= (+ main_offset 39836) main_length), 201747#(<= (+ main_offset 39808) main_length), 201746#(<= (+ main_offset 39812) main_length), 201745#(<= (+ main_offset 39816) main_length), 201744#(<= (+ main_offset 39820) main_length), 201751#(<= (+ main_offset 39792) main_length), 201750#(<= (+ main_offset 39796) main_length), 201749#(<= (+ main_offset 39800) main_length), 201748#(<= (+ main_offset 39804) main_length), 201755#(<= (+ main_offset 39776) main_length), 201754#(<= (+ main_offset 39780) main_length), 201753#(<= (+ main_offset 39784) main_length), 201752#(<= (+ main_offset 39788) main_length), 201759#(<= (+ main_offset 39760) main_length), 201758#(<= (+ main_offset 39764) main_length), 201757#(<= (+ main_offset 39768) main_length), 201756#(<= (+ main_offset 39772) main_length), 201763#(<= (+ main_offset 39744) main_length), 201762#(<= (+ main_offset 39748) main_length), 201761#(<= (+ main_offset 39752) main_length), 201760#(<= (+ main_offset 39756) main_length), 201767#(<= (+ main_offset 39728) main_length), 201766#(<= (+ main_offset 39732) main_length), 201765#(<= (+ main_offset 39736) main_length), 201764#(<= (+ main_offset 39740) main_length), 201771#(<= (+ main_offset 39712) main_length), 201770#(<= (+ main_offset 39716) main_length), 201769#(<= (+ main_offset 39720) main_length), 201768#(<= (+ main_offset 39724) main_length), 201775#(<= (+ main_offset 39696) main_length), 201774#(<= (+ main_offset 39700) main_length), 201773#(<= (+ main_offset 39704) main_length), 201772#(<= (+ main_offset 39708) main_length), 201779#(<= (+ main_offset 39680) main_length), 201778#(<= (+ main_offset 39684) main_length), 201777#(<= (+ main_offset 39688) main_length), 201776#(<= (+ main_offset 39692) main_length), 201783#(<= (+ main_offset 39664) main_length), 201782#(<= (+ main_offset 39668) main_length), 201781#(<= (+ main_offset 39672) main_length), 201780#(<= (+ main_offset 39676) main_length), 201787#(<= (+ main_offset 39648) main_length), 201786#(<= (+ main_offset 39652) main_length), 201785#(<= (+ main_offset 39656) main_length), 201784#(<= (+ main_offset 39660) main_length), 201791#(<= (+ main_offset 39632) main_length), 201790#(<= (+ main_offset 39636) main_length), 201789#(<= (+ main_offset 39640) main_length), 201788#(<= (+ main_offset 39644) main_length), 201795#(<= (+ main_offset 39616) main_length), 201794#(<= (+ main_offset 39620) main_length), 201793#(<= (+ main_offset 39624) main_length), 201792#(<= (+ main_offset 39628) main_length), 201799#(<= (+ main_offset 39600) main_length), 201798#(<= (+ main_offset 39604) main_length), 201797#(<= (+ main_offset 39608) main_length), 201796#(<= (+ main_offset 39612) main_length), 201803#(<= (+ main_offset 39584) main_length), 201802#(<= (+ main_offset 39588) main_length), 201801#(<= (+ main_offset 39592) main_length), 201800#(<= (+ main_offset 39596) main_length), 201807#(<= (+ main_offset 39568) main_length), 201806#(<= (+ main_offset 39572) main_length), 201805#(<= (+ main_offset 39576) main_length), 201804#(<= (+ main_offset 39580) main_length), 201811#(<= (+ main_offset 39552) main_length), 201810#(<= (+ main_offset 39556) main_length), 201809#(<= (+ main_offset 39560) main_length), 201808#(<= (+ main_offset 39564) main_length), 201815#(<= (+ main_offset 39536) main_length), 201814#(<= (+ main_offset 39540) main_length), 201813#(<= (+ main_offset 39544) main_length), 201812#(<= (+ main_offset 39548) main_length), 201819#(<= (+ main_offset 39520) main_length), 201818#(<= (+ main_offset 39524) main_length), 201817#(<= (+ main_offset 39528) main_length), 201816#(<= (+ main_offset 39532) main_length), 201823#(<= (+ main_offset 39504) main_length), 201822#(<= (+ main_offset 39508) main_length), 201821#(<= (+ main_offset 39512) main_length), 201820#(<= (+ main_offset 39516) main_length), 201827#(<= (+ main_offset 39488) main_length), 201826#(<= (+ main_offset 39492) main_length), 201825#(<= (+ main_offset 39496) main_length), 201824#(<= (+ main_offset 39500) main_length), 201831#(<= (+ main_offset 39472) main_length), 201830#(<= (+ main_offset 39476) main_length), 201829#(<= (+ main_offset 39480) main_length), 201828#(<= (+ main_offset 39484) main_length), 201835#(<= (+ main_offset 39456) main_length), 201834#(<= (+ main_offset 39460) main_length), 201833#(<= (+ main_offset 39464) main_length), 201832#(<= (+ main_offset 39468) main_length), 201839#(<= (+ main_offset 39440) main_length), 201838#(<= (+ main_offset 39444) main_length), 201837#(<= (+ main_offset 39448) main_length), 201836#(<= (+ main_offset 39452) main_length), 201843#(<= (+ main_offset 39424) main_length), 201842#(<= (+ main_offset 39428) main_length), 201841#(<= (+ main_offset 39432) main_length), 201840#(<= (+ main_offset 39436) main_length), 201847#(<= (+ main_offset 39408) main_length), 201846#(<= (+ main_offset 39412) main_length), 201845#(<= (+ main_offset 39416) main_length), 201844#(<= (+ main_offset 39420) main_length), 201851#(<= (+ main_offset 39392) main_length), 201850#(<= (+ main_offset 39396) main_length), 201849#(<= (+ main_offset 39400) main_length), 201848#(<= (+ main_offset 39404) main_length), 201855#(<= (+ main_offset 39376) main_length), 201854#(<= (+ main_offset 39380) main_length), 201853#(<= (+ main_offset 39384) main_length), 201852#(<= (+ main_offset 39388) main_length), 201859#(<= (+ main_offset 39360) main_length), 201858#(<= (+ main_offset 39364) main_length), 201857#(<= (+ main_offset 39368) main_length), 201856#(<= (+ main_offset 39372) main_length), 201863#(<= (+ main_offset 39344) main_length), 201862#(<= (+ main_offset 39348) main_length), 201861#(<= (+ main_offset 39352) main_length), 201860#(<= (+ main_offset 39356) main_length), 201867#(<= (+ main_offset 39328) main_length), 201866#(<= (+ main_offset 39332) main_length), 201865#(<= (+ main_offset 39336) main_length), 201864#(<= (+ main_offset 39340) main_length), 201871#(<= (+ main_offset 39312) main_length), 201870#(<= (+ main_offset 39316) main_length), 201869#(<= (+ main_offset 39320) main_length), 201868#(<= (+ main_offset 39324) main_length), 201875#(<= (+ main_offset 39296) main_length), 201874#(<= (+ main_offset 39300) main_length), 201873#(<= (+ main_offset 39304) main_length), 201872#(<= (+ main_offset 39308) main_length), 201879#(<= (+ main_offset 39280) main_length), 201878#(<= (+ main_offset 39284) main_length), 201877#(<= (+ main_offset 39288) main_length), 201876#(<= (+ main_offset 39292) main_length), 201883#(<= (+ main_offset 39264) main_length), 201882#(<= (+ main_offset 39268) main_length), 201881#(<= (+ main_offset 39272) main_length), 201880#(<= (+ main_offset 39276) main_length), 201887#(<= (+ main_offset 39248) main_length), 201886#(<= (+ main_offset 39252) main_length), 201885#(<= (+ main_offset 39256) main_length), 201884#(<= (+ main_offset 39260) main_length), 201891#(<= (+ main_offset 39232) main_length), 201890#(<= (+ main_offset 39236) main_length), 201889#(<= (+ main_offset 39240) main_length), 201888#(<= (+ main_offset 39244) main_length), 201895#(<= (+ main_offset 39216) main_length), 201894#(<= (+ main_offset 39220) main_length), 201893#(<= (+ main_offset 39224) main_length), 201892#(<= (+ main_offset 39228) main_length), 201899#(<= (+ main_offset 39200) main_length), 201898#(<= (+ main_offset 39204) main_length), 201897#(<= (+ main_offset 39208) main_length), 201896#(<= (+ main_offset 39212) main_length), 201903#(<= (+ main_offset 39184) main_length), 201902#(<= (+ main_offset 39188) main_length), 201901#(<= (+ main_offset 39192) main_length), 201900#(<= (+ main_offset 39196) main_length), 201907#(<= (+ main_offset 39168) main_length), 201906#(<= (+ main_offset 39172) main_length), 201905#(<= (+ main_offset 39176) main_length), 201904#(<= (+ main_offset 39180) main_length), 201908#(<= (+ main_offset 39164) main_length), 201699#(<= (+ main_offset 40000) main_length), 201698#false, 201697#true, 201703#(<= (+ main_offset 39984) main_length), 201702#(<= (+ main_offset 39988) main_length), 201701#(<= (+ main_offset 39992) main_length), 201700#(<= (+ main_offset 39996) main_length), 201707#(<= (+ main_offset 39968) main_length), 201706#(<= (+ main_offset 39972) main_length), 201705#(<= (+ main_offset 39976) main_length), 201704#(<= (+ main_offset 39980) main_length), 201711#(<= (+ main_offset 39952) main_length), 201710#(<= (+ main_offset 39956) main_length), 201709#(<= (+ main_offset 39960) main_length), 201708#(<= (+ main_offset 39964) main_length), 201715#(<= (+ main_offset 39936) main_length), 201714#(<= (+ main_offset 39940) main_length), 201713#(<= (+ main_offset 39944) main_length), 201712#(<= (+ main_offset 39948) main_length), 201719#(<= (+ main_offset 39920) main_length), 201718#(<= (+ main_offset 39924) main_length), 201717#(<= (+ main_offset 39928) main_length), 201716#(<= (+ main_offset 39932) main_length), 201723#(<= (+ main_offset 39904) main_length), 201722#(<= (+ main_offset 39908) main_length), 201721#(<= (+ main_offset 39912) main_length), 201720#(<= (+ main_offset 39916) main_length), 201727#(<= (+ main_offset 39888) main_length), 201726#(<= (+ main_offset 39892) main_length), 201725#(<= (+ main_offset 39896) main_length), 201724#(<= (+ main_offset 39900) main_length)] [2018-07-23 13:58:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 43890 backedges. 0 proven. 43890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:05,698 INFO L450 AbstractCegarLoop]: Interpolant automaton has 212 states [2018-07-23 13:58:05,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2018-07-23 13:58:05,701 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:58:05,701 INFO L87 Difference]: Start difference. First operand 422 states and 422 transitions. Second operand 212 states. [2018-07-23 13:58:07,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:07,636 INFO L93 Difference]: Finished difference Result 425 states and 425 transitions. [2018-07-23 13:58:07,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2018-07-23 13:58:07,636 INFO L78 Accepts]: Start accepts. Automaton has 212 states. Word has length 421 [2018-07-23 13:58:07,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:07,637 INFO L225 Difference]: With dead ends: 425 [2018-07-23 13:58:07,637 INFO L226 Difference]: Without dead ends: 424 [2018-07-23 13:58:07,638 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:58:07,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-07-23 13:58:07,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2018-07-23 13:58:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2018-07-23 13:58:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 424 transitions. [2018-07-23 13:58:07,643 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 424 transitions. Word has length 421 [2018-07-23 13:58:07,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:07,643 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 424 transitions. [2018-07-23 13:58:07,643 INFO L472 AbstractCegarLoop]: Interpolant automaton has 212 states. [2018-07-23 13:58:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 424 transitions. [2018-07-23 13:58:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-07-23 13:58:07,644 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:07,644 INFO L357 BasicCegarLoop]: trace histogram [211, 210, 1, 1] [2018-07-23 13:58:07,644 INFO L414 AbstractCegarLoop]: === Iteration 211 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:07,645 INFO L82 PathProgramCache]: Analyzing trace with hash -340894076, now seen corresponding path program 210 times [2018-07-23 13:58:07,645 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:09,473 INFO L134 CoverageAnalysis]: Checked inductivity of 44310 backedges. 0 proven. 44310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:09,473 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:09,473 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [211] total 211 [2018-07-23 13:58:09,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:09,474 INFO L185 omatonBuilderFactory]: Interpolants [203779#(<= (+ main_offset 39320) main_length), 203778#(<= (+ main_offset 39324) main_length), 203777#(<= (+ main_offset 39328) main_length), 203776#(<= (+ main_offset 39332) main_length), 203783#(<= (+ main_offset 39304) main_length), 203782#(<= (+ main_offset 39308) main_length), 203781#(<= (+ main_offset 39312) main_length), 203780#(<= (+ main_offset 39316) main_length), 203787#(<= (+ main_offset 39288) main_length), 203786#(<= (+ main_offset 39292) main_length), 203785#(<= (+ main_offset 39296) main_length), 203784#(<= (+ main_offset 39300) main_length), 203791#(<= (+ main_offset 39272) main_length), 203790#(<= (+ main_offset 39276) main_length), 203789#(<= (+ main_offset 39280) main_length), 203788#(<= (+ main_offset 39284) main_length), 203795#(<= (+ main_offset 39256) main_length), 203794#(<= (+ main_offset 39260) main_length), 203793#(<= (+ main_offset 39264) main_length), 203792#(<= (+ main_offset 39268) main_length), 203799#(<= (+ main_offset 39240) main_length), 203798#(<= (+ main_offset 39244) main_length), 203797#(<= (+ main_offset 39248) main_length), 203796#(<= (+ main_offset 39252) main_length), 203803#(<= (+ main_offset 39224) main_length), 203802#(<= (+ main_offset 39228) main_length), 203801#(<= (+ main_offset 39232) main_length), 203800#(<= (+ main_offset 39236) main_length), 203807#(<= (+ main_offset 39208) main_length), 203806#(<= (+ main_offset 39212) main_length), 203805#(<= (+ main_offset 39216) main_length), 203804#(<= (+ main_offset 39220) main_length), 203811#(<= (+ main_offset 39192) main_length), 203810#(<= (+ main_offset 39196) main_length), 203809#(<= (+ main_offset 39200) main_length), 203808#(<= (+ main_offset 39204) main_length), 203815#(<= (+ main_offset 39176) main_length), 203814#(<= (+ main_offset 39180) main_length), 203813#(<= (+ main_offset 39184) main_length), 203812#(<= (+ main_offset 39188) main_length), 203819#(<= (+ main_offset 39160) main_length), 203818#(<= (+ main_offset 39164) main_length), 203817#(<= (+ main_offset 39168) main_length), 203816#(<= (+ main_offset 39172) main_length), 203607#true, 203611#(<= (+ main_offset 39992) main_length), 203610#(<= (+ main_offset 39996) main_length), 203609#(<= (+ main_offset 40000) main_length), 203608#false, 203615#(<= (+ main_offset 39976) main_length), 203614#(<= (+ main_offset 39980) main_length), 203613#(<= (+ main_offset 39984) main_length), 203612#(<= (+ main_offset 39988) main_length), 203619#(<= (+ main_offset 39960) main_length), 203618#(<= (+ main_offset 39964) main_length), 203617#(<= (+ main_offset 39968) main_length), 203616#(<= (+ main_offset 39972) main_length), 203623#(<= (+ main_offset 39944) main_length), 203622#(<= (+ main_offset 39948) main_length), 203621#(<= (+ main_offset 39952) main_length), 203620#(<= (+ main_offset 39956) main_length), 203627#(<= (+ main_offset 39928) main_length), 203626#(<= (+ main_offset 39932) main_length), 203625#(<= (+ main_offset 39936) main_length), 203624#(<= (+ main_offset 39940) main_length), 203631#(<= (+ main_offset 39912) main_length), 203630#(<= (+ main_offset 39916) main_length), 203629#(<= (+ main_offset 39920) main_length), 203628#(<= (+ main_offset 39924) main_length), 203635#(<= (+ main_offset 39896) main_length), 203634#(<= (+ main_offset 39900) main_length), 203633#(<= (+ main_offset 39904) main_length), 203632#(<= (+ main_offset 39908) main_length), 203639#(<= (+ main_offset 39880) main_length), 203638#(<= (+ main_offset 39884) main_length), 203637#(<= (+ main_offset 39888) main_length), 203636#(<= (+ main_offset 39892) main_length), 203643#(<= (+ main_offset 39864) main_length), 203642#(<= (+ main_offset 39868) main_length), 203641#(<= (+ main_offset 39872) main_length), 203640#(<= (+ main_offset 39876) main_length), 203647#(<= (+ main_offset 39848) main_length), 203646#(<= (+ main_offset 39852) main_length), 203645#(<= (+ main_offset 39856) main_length), 203644#(<= (+ main_offset 39860) main_length), 203651#(<= (+ main_offset 39832) main_length), 203650#(<= (+ main_offset 39836) main_length), 203649#(<= (+ main_offset 39840) main_length), 203648#(<= (+ main_offset 39844) main_length), 203655#(<= (+ main_offset 39816) main_length), 203654#(<= (+ main_offset 39820) main_length), 203653#(<= (+ main_offset 39824) main_length), 203652#(<= (+ main_offset 39828) main_length), 203659#(<= (+ main_offset 39800) main_length), 203658#(<= (+ main_offset 39804) main_length), 203657#(<= (+ main_offset 39808) main_length), 203656#(<= (+ main_offset 39812) main_length), 203663#(<= (+ main_offset 39784) main_length), 203662#(<= (+ main_offset 39788) main_length), 203661#(<= (+ main_offset 39792) main_length), 203660#(<= (+ main_offset 39796) main_length), 203667#(<= (+ main_offset 39768) main_length), 203666#(<= (+ main_offset 39772) main_length), 203665#(<= (+ main_offset 39776) main_length), 203664#(<= (+ main_offset 39780) main_length), 203671#(<= (+ main_offset 39752) main_length), 203670#(<= (+ main_offset 39756) main_length), 203669#(<= (+ main_offset 39760) main_length), 203668#(<= (+ main_offset 39764) main_length), 203675#(<= (+ main_offset 39736) main_length), 203674#(<= (+ main_offset 39740) main_length), 203673#(<= (+ main_offset 39744) main_length), 203672#(<= (+ main_offset 39748) main_length), 203679#(<= (+ main_offset 39720) main_length), 203678#(<= (+ main_offset 39724) main_length), 203677#(<= (+ main_offset 39728) main_length), 203676#(<= (+ main_offset 39732) main_length), 203683#(<= (+ main_offset 39704) main_length), 203682#(<= (+ main_offset 39708) main_length), 203681#(<= (+ main_offset 39712) main_length), 203680#(<= (+ main_offset 39716) main_length), 203687#(<= (+ main_offset 39688) main_length), 203686#(<= (+ main_offset 39692) main_length), 203685#(<= (+ main_offset 39696) main_length), 203684#(<= (+ main_offset 39700) main_length), 203691#(<= (+ main_offset 39672) main_length), 203690#(<= (+ main_offset 39676) main_length), 203689#(<= (+ main_offset 39680) main_length), 203688#(<= (+ main_offset 39684) main_length), 203695#(<= (+ main_offset 39656) main_length), 203694#(<= (+ main_offset 39660) main_length), 203693#(<= (+ main_offset 39664) main_length), 203692#(<= (+ main_offset 39668) main_length), 203699#(<= (+ main_offset 39640) main_length), 203698#(<= (+ main_offset 39644) main_length), 203697#(<= (+ main_offset 39648) main_length), 203696#(<= (+ main_offset 39652) main_length), 203703#(<= (+ main_offset 39624) main_length), 203702#(<= (+ main_offset 39628) main_length), 203701#(<= (+ main_offset 39632) main_length), 203700#(<= (+ main_offset 39636) main_length), 203707#(<= (+ main_offset 39608) main_length), 203706#(<= (+ main_offset 39612) main_length), 203705#(<= (+ main_offset 39616) main_length), 203704#(<= (+ main_offset 39620) main_length), 203711#(<= (+ main_offset 39592) main_length), 203710#(<= (+ main_offset 39596) main_length), 203709#(<= (+ main_offset 39600) main_length), 203708#(<= (+ main_offset 39604) main_length), 203715#(<= (+ main_offset 39576) main_length), 203714#(<= (+ main_offset 39580) main_length), 203713#(<= (+ main_offset 39584) main_length), 203712#(<= (+ main_offset 39588) main_length), 203719#(<= (+ main_offset 39560) main_length), 203718#(<= (+ main_offset 39564) main_length), 203717#(<= (+ main_offset 39568) main_length), 203716#(<= (+ main_offset 39572) main_length), 203723#(<= (+ main_offset 39544) main_length), 203722#(<= (+ main_offset 39548) main_length), 203721#(<= (+ main_offset 39552) main_length), 203720#(<= (+ main_offset 39556) main_length), 203727#(<= (+ main_offset 39528) main_length), 203726#(<= (+ main_offset 39532) main_length), 203725#(<= (+ main_offset 39536) main_length), 203724#(<= (+ main_offset 39540) main_length), 203731#(<= (+ main_offset 39512) main_length), 203730#(<= (+ main_offset 39516) main_length), 203729#(<= (+ main_offset 39520) main_length), 203728#(<= (+ main_offset 39524) main_length), 203735#(<= (+ main_offset 39496) main_length), 203734#(<= (+ main_offset 39500) main_length), 203733#(<= (+ main_offset 39504) main_length), 203732#(<= (+ main_offset 39508) main_length), 203739#(<= (+ main_offset 39480) main_length), 203738#(<= (+ main_offset 39484) main_length), 203737#(<= (+ main_offset 39488) main_length), 203736#(<= (+ main_offset 39492) main_length), 203743#(<= (+ main_offset 39464) main_length), 203742#(<= (+ main_offset 39468) main_length), 203741#(<= (+ main_offset 39472) main_length), 203740#(<= (+ main_offset 39476) main_length), 203747#(<= (+ main_offset 39448) main_length), 203746#(<= (+ main_offset 39452) main_length), 203745#(<= (+ main_offset 39456) main_length), 203744#(<= (+ main_offset 39460) main_length), 203751#(<= (+ main_offset 39432) main_length), 203750#(<= (+ main_offset 39436) main_length), 203749#(<= (+ main_offset 39440) main_length), 203748#(<= (+ main_offset 39444) main_length), 203755#(<= (+ main_offset 39416) main_length), 203754#(<= (+ main_offset 39420) main_length), 203753#(<= (+ main_offset 39424) main_length), 203752#(<= (+ main_offset 39428) main_length), 203759#(<= (+ main_offset 39400) main_length), 203758#(<= (+ main_offset 39404) main_length), 203757#(<= (+ main_offset 39408) main_length), 203756#(<= (+ main_offset 39412) main_length), 203763#(<= (+ main_offset 39384) main_length), 203762#(<= (+ main_offset 39388) main_length), 203761#(<= (+ main_offset 39392) main_length), 203760#(<= (+ main_offset 39396) main_length), 203767#(<= (+ main_offset 39368) main_length), 203766#(<= (+ main_offset 39372) main_length), 203765#(<= (+ main_offset 39376) main_length), 203764#(<= (+ main_offset 39380) main_length), 203771#(<= (+ main_offset 39352) main_length), 203770#(<= (+ main_offset 39356) main_length), 203769#(<= (+ main_offset 39360) main_length), 203768#(<= (+ main_offset 39364) main_length), 203775#(<= (+ main_offset 39336) main_length), 203774#(<= (+ main_offset 39340) main_length), 203773#(<= (+ main_offset 39344) main_length), 203772#(<= (+ main_offset 39348) main_length)] [2018-07-23 13:58:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 44310 backedges. 0 proven. 44310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:09,476 INFO L450 AbstractCegarLoop]: Interpolant automaton has 213 states [2018-07-23 13:58:09,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2018-07-23 13:58:09,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:58:09,480 INFO L87 Difference]: Start difference. First operand 424 states and 424 transitions. Second operand 213 states. [2018-07-23 13:58:10,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:10,928 INFO L93 Difference]: Finished difference Result 427 states and 427 transitions. [2018-07-23 13:58:10,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2018-07-23 13:58:10,928 INFO L78 Accepts]: Start accepts. Automaton has 213 states. Word has length 423 [2018-07-23 13:58:10,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:10,929 INFO L225 Difference]: With dead ends: 427 [2018-07-23 13:58:10,929 INFO L226 Difference]: Without dead ends: 426 [2018-07-23 13:58:10,931 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:58:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-07-23 13:58:10,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2018-07-23 13:58:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-07-23 13:58:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 426 transitions. [2018-07-23 13:58:10,937 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 426 transitions. Word has length 423 [2018-07-23 13:58:10,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:10,937 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 426 transitions. [2018-07-23 13:58:10,937 INFO L472 AbstractCegarLoop]: Interpolant automaton has 213 states. [2018-07-23 13:58:10,937 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 426 transitions. [2018-07-23 13:58:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-07-23 13:58:10,939 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:10,939 INFO L357 BasicCegarLoop]: trace histogram [212, 211, 1, 1] [2018-07-23 13:58:10,939 INFO L414 AbstractCegarLoop]: === Iteration 212 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:10,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1181691450, now seen corresponding path program 211 times [2018-07-23 13:58:10,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 44732 backedges. 0 proven. 44732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:12,987 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:12,987 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [212] total 212 [2018-07-23 13:58:12,987 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:12,988 INFO L185 omatonBuilderFactory]: Interpolants [205527#false, 205526#true, 205531#(<= (+ main_offset 39988) main_length), 205530#(<= (+ main_offset 39992) main_length), 205529#(<= (+ main_offset 39996) main_length), 205528#(<= (+ main_offset 40000) main_length), 205535#(<= (+ main_offset 39972) main_length), 205534#(<= (+ main_offset 39976) main_length), 205533#(<= (+ main_offset 39980) main_length), 205532#(<= (+ main_offset 39984) main_length), 205539#(<= (+ main_offset 39956) main_length), 205538#(<= (+ main_offset 39960) main_length), 205537#(<= (+ main_offset 39964) main_length), 205536#(<= (+ main_offset 39968) main_length), 205543#(<= (+ main_offset 39940) main_length), 205542#(<= (+ main_offset 39944) main_length), 205541#(<= (+ main_offset 39948) main_length), 205540#(<= (+ main_offset 39952) main_length), 205547#(<= (+ main_offset 39924) main_length), 205546#(<= (+ main_offset 39928) main_length), 205545#(<= (+ main_offset 39932) main_length), 205544#(<= (+ main_offset 39936) main_length), 205551#(<= (+ main_offset 39908) main_length), 205550#(<= (+ main_offset 39912) main_length), 205549#(<= (+ main_offset 39916) main_length), 205548#(<= (+ main_offset 39920) main_length), 205555#(<= (+ main_offset 39892) main_length), 205554#(<= (+ main_offset 39896) main_length), 205553#(<= (+ main_offset 39900) main_length), 205552#(<= (+ main_offset 39904) main_length), 205559#(<= (+ main_offset 39876) main_length), 205558#(<= (+ main_offset 39880) main_length), 205557#(<= (+ main_offset 39884) main_length), 205556#(<= (+ main_offset 39888) main_length), 205563#(<= (+ main_offset 39860) main_length), 205562#(<= (+ main_offset 39864) main_length), 205561#(<= (+ main_offset 39868) main_length), 205560#(<= (+ main_offset 39872) main_length), 205567#(<= (+ main_offset 39844) main_length), 205566#(<= (+ main_offset 39848) main_length), 205565#(<= (+ main_offset 39852) main_length), 205564#(<= (+ main_offset 39856) main_length), 205571#(<= (+ main_offset 39828) main_length), 205570#(<= (+ main_offset 39832) main_length), 205569#(<= (+ main_offset 39836) main_length), 205568#(<= (+ main_offset 39840) main_length), 205575#(<= (+ main_offset 39812) main_length), 205574#(<= (+ main_offset 39816) main_length), 205573#(<= (+ main_offset 39820) main_length), 205572#(<= (+ main_offset 39824) main_length), 205579#(<= (+ main_offset 39796) main_length), 205578#(<= (+ main_offset 39800) main_length), 205577#(<= (+ main_offset 39804) main_length), 205576#(<= (+ main_offset 39808) main_length), 205583#(<= (+ main_offset 39780) main_length), 205582#(<= (+ main_offset 39784) main_length), 205581#(<= (+ main_offset 39788) main_length), 205580#(<= (+ main_offset 39792) main_length), 205587#(<= (+ main_offset 39764) main_length), 205586#(<= (+ main_offset 39768) main_length), 205585#(<= (+ main_offset 39772) main_length), 205584#(<= (+ main_offset 39776) main_length), 205591#(<= (+ main_offset 39748) main_length), 205590#(<= (+ main_offset 39752) main_length), 205589#(<= (+ main_offset 39756) main_length), 205588#(<= (+ main_offset 39760) main_length), 205595#(<= (+ main_offset 39732) main_length), 205594#(<= (+ main_offset 39736) main_length), 205593#(<= (+ main_offset 39740) main_length), 205592#(<= (+ main_offset 39744) main_length), 205599#(<= (+ main_offset 39716) main_length), 205598#(<= (+ main_offset 39720) main_length), 205597#(<= (+ main_offset 39724) main_length), 205596#(<= (+ main_offset 39728) main_length), 205603#(<= (+ main_offset 39700) main_length), 205602#(<= (+ main_offset 39704) main_length), 205601#(<= (+ main_offset 39708) main_length), 205600#(<= (+ main_offset 39712) main_length), 205607#(<= (+ main_offset 39684) main_length), 205606#(<= (+ main_offset 39688) main_length), 205605#(<= (+ main_offset 39692) main_length), 205604#(<= (+ main_offset 39696) main_length), 205611#(<= (+ main_offset 39668) main_length), 205610#(<= (+ main_offset 39672) main_length), 205609#(<= (+ main_offset 39676) main_length), 205608#(<= (+ main_offset 39680) main_length), 205615#(<= (+ main_offset 39652) main_length), 205614#(<= (+ main_offset 39656) main_length), 205613#(<= (+ main_offset 39660) main_length), 205612#(<= (+ main_offset 39664) main_length), 205619#(<= (+ main_offset 39636) main_length), 205618#(<= (+ main_offset 39640) main_length), 205617#(<= (+ main_offset 39644) main_length), 205616#(<= (+ main_offset 39648) main_length), 205623#(<= (+ main_offset 39620) main_length), 205622#(<= (+ main_offset 39624) main_length), 205621#(<= (+ main_offset 39628) main_length), 205620#(<= (+ main_offset 39632) main_length), 205627#(<= (+ main_offset 39604) main_length), 205626#(<= (+ main_offset 39608) main_length), 205625#(<= (+ main_offset 39612) main_length), 205624#(<= (+ main_offset 39616) main_length), 205631#(<= (+ main_offset 39588) main_length), 205630#(<= (+ main_offset 39592) main_length), 205629#(<= (+ main_offset 39596) main_length), 205628#(<= (+ main_offset 39600) main_length), 205635#(<= (+ main_offset 39572) main_length), 205634#(<= (+ main_offset 39576) main_length), 205633#(<= (+ main_offset 39580) main_length), 205632#(<= (+ main_offset 39584) main_length), 205639#(<= (+ main_offset 39556) main_length), 205638#(<= (+ main_offset 39560) main_length), 205637#(<= (+ main_offset 39564) main_length), 205636#(<= (+ main_offset 39568) main_length), 205643#(<= (+ main_offset 39540) main_length), 205642#(<= (+ main_offset 39544) main_length), 205641#(<= (+ main_offset 39548) main_length), 205640#(<= (+ main_offset 39552) main_length), 205647#(<= (+ main_offset 39524) main_length), 205646#(<= (+ main_offset 39528) main_length), 205645#(<= (+ main_offset 39532) main_length), 205644#(<= (+ main_offset 39536) main_length), 205651#(<= (+ main_offset 39508) main_length), 205650#(<= (+ main_offset 39512) main_length), 205649#(<= (+ main_offset 39516) main_length), 205648#(<= (+ main_offset 39520) main_length), 205655#(<= (+ main_offset 39492) main_length), 205654#(<= (+ main_offset 39496) main_length), 205653#(<= (+ main_offset 39500) main_length), 205652#(<= (+ main_offset 39504) main_length), 205659#(<= (+ main_offset 39476) main_length), 205658#(<= (+ main_offset 39480) main_length), 205657#(<= (+ main_offset 39484) main_length), 205656#(<= (+ main_offset 39488) main_length), 205663#(<= (+ main_offset 39460) main_length), 205662#(<= (+ main_offset 39464) main_length), 205661#(<= (+ main_offset 39468) main_length), 205660#(<= (+ main_offset 39472) main_length), 205667#(<= (+ main_offset 39444) main_length), 205666#(<= (+ main_offset 39448) main_length), 205665#(<= (+ main_offset 39452) main_length), 205664#(<= (+ main_offset 39456) main_length), 205671#(<= (+ main_offset 39428) main_length), 205670#(<= (+ main_offset 39432) main_length), 205669#(<= (+ main_offset 39436) main_length), 205668#(<= (+ main_offset 39440) main_length), 205675#(<= (+ main_offset 39412) main_length), 205674#(<= (+ main_offset 39416) main_length), 205673#(<= (+ main_offset 39420) main_length), 205672#(<= (+ main_offset 39424) main_length), 205679#(<= (+ main_offset 39396) main_length), 205678#(<= (+ main_offset 39400) main_length), 205677#(<= (+ main_offset 39404) main_length), 205676#(<= (+ main_offset 39408) main_length), 205683#(<= (+ main_offset 39380) main_length), 205682#(<= (+ main_offset 39384) main_length), 205681#(<= (+ main_offset 39388) main_length), 205680#(<= (+ main_offset 39392) main_length), 205687#(<= (+ main_offset 39364) main_length), 205686#(<= (+ main_offset 39368) main_length), 205685#(<= (+ main_offset 39372) main_length), 205684#(<= (+ main_offset 39376) main_length), 205691#(<= (+ main_offset 39348) main_length), 205690#(<= (+ main_offset 39352) main_length), 205689#(<= (+ main_offset 39356) main_length), 205688#(<= (+ main_offset 39360) main_length), 205695#(<= (+ main_offset 39332) main_length), 205694#(<= (+ main_offset 39336) main_length), 205693#(<= (+ main_offset 39340) main_length), 205692#(<= (+ main_offset 39344) main_length), 205699#(<= (+ main_offset 39316) main_length), 205698#(<= (+ main_offset 39320) main_length), 205697#(<= (+ main_offset 39324) main_length), 205696#(<= (+ main_offset 39328) main_length), 205703#(<= (+ main_offset 39300) main_length), 205702#(<= (+ main_offset 39304) main_length), 205701#(<= (+ main_offset 39308) main_length), 205700#(<= (+ main_offset 39312) main_length), 205707#(<= (+ main_offset 39284) main_length), 205706#(<= (+ main_offset 39288) main_length), 205705#(<= (+ main_offset 39292) main_length), 205704#(<= (+ main_offset 39296) main_length), 205711#(<= (+ main_offset 39268) main_length), 205710#(<= (+ main_offset 39272) main_length), 205709#(<= (+ main_offset 39276) main_length), 205708#(<= (+ main_offset 39280) main_length), 205715#(<= (+ main_offset 39252) main_length), 205714#(<= (+ main_offset 39256) main_length), 205713#(<= (+ main_offset 39260) main_length), 205712#(<= (+ main_offset 39264) main_length), 205719#(<= (+ main_offset 39236) main_length), 205718#(<= (+ main_offset 39240) main_length), 205717#(<= (+ main_offset 39244) main_length), 205716#(<= (+ main_offset 39248) main_length), 205723#(<= (+ main_offset 39220) main_length), 205722#(<= (+ main_offset 39224) main_length), 205721#(<= (+ main_offset 39228) main_length), 205720#(<= (+ main_offset 39232) main_length), 205727#(<= (+ main_offset 39204) main_length), 205726#(<= (+ main_offset 39208) main_length), 205725#(<= (+ main_offset 39212) main_length), 205724#(<= (+ main_offset 39216) main_length), 205731#(<= (+ main_offset 39188) main_length), 205730#(<= (+ main_offset 39192) main_length), 205729#(<= (+ main_offset 39196) main_length), 205728#(<= (+ main_offset 39200) main_length), 205735#(<= (+ main_offset 39172) main_length), 205734#(<= (+ main_offset 39176) main_length), 205733#(<= (+ main_offset 39180) main_length), 205732#(<= (+ main_offset 39184) main_length), 205739#(<= (+ main_offset 39156) main_length), 205738#(<= (+ main_offset 39160) main_length), 205737#(<= (+ main_offset 39164) main_length), 205736#(<= (+ main_offset 39168) main_length)] [2018-07-23 13:58:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 44732 backedges. 0 proven. 44732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:12,990 INFO L450 AbstractCegarLoop]: Interpolant automaton has 214 states [2018-07-23 13:58:12,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2018-07-23 13:58:12,995 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:58:12,995 INFO L87 Difference]: Start difference. First operand 426 states and 426 transitions. Second operand 214 states. [2018-07-23 13:58:15,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:15,405 INFO L93 Difference]: Finished difference Result 429 states and 429 transitions. [2018-07-23 13:58:15,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2018-07-23 13:58:15,406 INFO L78 Accepts]: Start accepts. Automaton has 214 states. Word has length 425 [2018-07-23 13:58:15,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:15,406 INFO L225 Difference]: With dead ends: 429 [2018-07-23 13:58:15,406 INFO L226 Difference]: Without dead ends: 428 [2018-07-23 13:58:15,409 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:58:15,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2018-07-23 13:58:15,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2018-07-23 13:58:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-07-23 13:58:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 428 transitions. [2018-07-23 13:58:15,414 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 428 transitions. Word has length 425 [2018-07-23 13:58:15,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:15,415 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 428 transitions. [2018-07-23 13:58:15,415 INFO L472 AbstractCegarLoop]: Interpolant automaton has 214 states. [2018-07-23 13:58:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 428 transitions. [2018-07-23 13:58:15,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-07-23 13:58:15,416 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:15,416 INFO L357 BasicCegarLoop]: trace histogram [213, 212, 1, 1] [2018-07-23 13:58:15,416 INFO L414 AbstractCegarLoop]: === Iteration 213 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:15,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1734116216, now seen corresponding path program 212 times [2018-07-23 13:58:15,416 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 45156 backedges. 0 proven. 45156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:17,284 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:17,284 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [213] total 213 [2018-07-23 13:58:17,285 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:17,285 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 13:58:17,285 INFO L185 omatonBuilderFactory]: Interpolants [207455#false, 207454#true, 207459#(<= (+ main_offset 39988) main_length), 207458#(<= (+ main_offset 39992) main_length), 207457#(<= (+ main_offset 39996) main_length), 207456#(<= (+ main_offset 40000) main_length), 207463#(<= (+ main_offset 39972) main_length), 207462#(<= (+ main_offset 39976) main_length), 207461#(<= (+ main_offset 39980) main_length), 207460#(<= (+ main_offset 39984) main_length), 207467#(<= (+ main_offset 39956) main_length), 207466#(<= (+ main_offset 39960) main_length), 207465#(<= (+ main_offset 39964) main_length), 207464#(<= (+ main_offset 39968) main_length), 207471#(<= (+ main_offset 39940) main_length), 207470#(<= (+ main_offset 39944) main_length), 207469#(<= (+ main_offset 39948) main_length), 207468#(<= (+ main_offset 39952) main_length), 207475#(<= (+ main_offset 39924) main_length), 207474#(<= (+ main_offset 39928) main_length), 207473#(<= (+ main_offset 39932) main_length), 207472#(<= (+ main_offset 39936) main_length), 207479#(<= (+ main_offset 39908) main_length), 207478#(<= (+ main_offset 39912) main_length), 207477#(<= (+ main_offset 39916) main_length), 207476#(<= (+ main_offset 39920) main_length), 207483#(<= (+ main_offset 39892) main_length), 207482#(<= (+ main_offset 39896) main_length), 207481#(<= (+ main_offset 39900) main_length), 207480#(<= (+ main_offset 39904) main_length), 207487#(<= (+ main_offset 39876) main_length), 207486#(<= (+ main_offset 39880) main_length), 207485#(<= (+ main_offset 39884) main_length), 207484#(<= (+ main_offset 39888) main_length), 207491#(<= (+ main_offset 39860) main_length), 207490#(<= (+ main_offset 39864) main_length), 207489#(<= (+ main_offset 39868) main_length), 207488#(<= (+ main_offset 39872) main_length), 207495#(<= (+ main_offset 39844) main_length), 207494#(<= (+ main_offset 39848) main_length), 207493#(<= (+ main_offset 39852) main_length), 207492#(<= (+ main_offset 39856) main_length), 207499#(<= (+ main_offset 39828) main_length), 207498#(<= (+ main_offset 39832) main_length), 207497#(<= (+ main_offset 39836) main_length), 207496#(<= (+ main_offset 39840) main_length), 207503#(<= (+ main_offset 39812) main_length), 207502#(<= (+ main_offset 39816) main_length), 207501#(<= (+ main_offset 39820) main_length), 207500#(<= (+ main_offset 39824) main_length), 207507#(<= (+ main_offset 39796) main_length), 207506#(<= (+ main_offset 39800) main_length), 207505#(<= (+ main_offset 39804) main_length), 207504#(<= (+ main_offset 39808) main_length), 207511#(<= (+ main_offset 39780) main_length), 207510#(<= (+ main_offset 39784) main_length), 207509#(<= (+ main_offset 39788) main_length), 207508#(<= (+ main_offset 39792) main_length), 207515#(<= (+ main_offset 39764) main_length), 207514#(<= (+ main_offset 39768) main_length), 207513#(<= (+ main_offset 39772) main_length), 207512#(<= (+ main_offset 39776) main_length), 207519#(<= (+ main_offset 39748) main_length), 207518#(<= (+ main_offset 39752) main_length), 207517#(<= (+ main_offset 39756) main_length), 207516#(<= (+ main_offset 39760) main_length), 207523#(<= (+ main_offset 39732) main_length), 207522#(<= (+ main_offset 39736) main_length), 207521#(<= (+ main_offset 39740) main_length), 207520#(<= (+ main_offset 39744) main_length), 207527#(<= (+ main_offset 39716) main_length), 207526#(<= (+ main_offset 39720) main_length), 207525#(<= (+ main_offset 39724) main_length), 207524#(<= (+ main_offset 39728) main_length), 207531#(<= (+ main_offset 39700) main_length), 207530#(<= (+ main_offset 39704) main_length), 207529#(<= (+ main_offset 39708) main_length), 207528#(<= (+ main_offset 39712) main_length), 207535#(<= (+ main_offset 39684) main_length), 207534#(<= (+ main_offset 39688) main_length), 207533#(<= (+ main_offset 39692) main_length), 207532#(<= (+ main_offset 39696) main_length), 207539#(<= (+ main_offset 39668) main_length), 207538#(<= (+ main_offset 39672) main_length), 207537#(<= (+ main_offset 39676) main_length), 207536#(<= (+ main_offset 39680) main_length), 207543#(<= (+ main_offset 39652) main_length), 207542#(<= (+ main_offset 39656) main_length), 207541#(<= (+ main_offset 39660) main_length), 207540#(<= (+ main_offset 39664) main_length), 207547#(<= (+ main_offset 39636) main_length), 207546#(<= (+ main_offset 39640) main_length), 207545#(<= (+ main_offset 39644) main_length), 207544#(<= (+ main_offset 39648) main_length), 207551#(<= (+ main_offset 39620) main_length), 207550#(<= (+ main_offset 39624) main_length), 207549#(<= (+ main_offset 39628) main_length), 207548#(<= (+ main_offset 39632) main_length), 207555#(<= (+ main_offset 39604) main_length), 207554#(<= (+ main_offset 39608) main_length), 207553#(<= (+ main_offset 39612) main_length), 207552#(<= (+ main_offset 39616) main_length), 207559#(<= (+ main_offset 39588) main_length), 207558#(<= (+ main_offset 39592) main_length), 207557#(<= (+ main_offset 39596) main_length), 207556#(<= (+ main_offset 39600) main_length), 207563#(<= (+ main_offset 39572) main_length), 207562#(<= (+ main_offset 39576) main_length), 207561#(<= (+ main_offset 39580) main_length), 207560#(<= (+ main_offset 39584) main_length), 207567#(<= (+ main_offset 39556) main_length), 207566#(<= (+ main_offset 39560) main_length), 207565#(<= (+ main_offset 39564) main_length), 207564#(<= (+ main_offset 39568) main_length), 207571#(<= (+ main_offset 39540) main_length), 207570#(<= (+ main_offset 39544) main_length), 207569#(<= (+ main_offset 39548) main_length), 207568#(<= (+ main_offset 39552) main_length), 207575#(<= (+ main_offset 39524) main_length), 207574#(<= (+ main_offset 39528) main_length), 207573#(<= (+ main_offset 39532) main_length), 207572#(<= (+ main_offset 39536) main_length), 207579#(<= (+ main_offset 39508) main_length), 207578#(<= (+ main_offset 39512) main_length), 207577#(<= (+ main_offset 39516) main_length), 207576#(<= (+ main_offset 39520) main_length), 207583#(<= (+ main_offset 39492) main_length), 207582#(<= (+ main_offset 39496) main_length), 207581#(<= (+ main_offset 39500) main_length), 207580#(<= (+ main_offset 39504) main_length), 207587#(<= (+ main_offset 39476) main_length), 207586#(<= (+ main_offset 39480) main_length), 207585#(<= (+ main_offset 39484) main_length), 207584#(<= (+ main_offset 39488) main_length), 207591#(<= (+ main_offset 39460) main_length), 207590#(<= (+ main_offset 39464) main_length), 207589#(<= (+ main_offset 39468) main_length), 207588#(<= (+ main_offset 39472) main_length), 207595#(<= (+ main_offset 39444) main_length), 207594#(<= (+ main_offset 39448) main_length), 207593#(<= (+ main_offset 39452) main_length), 207592#(<= (+ main_offset 39456) main_length), 207599#(<= (+ main_offset 39428) main_length), 207598#(<= (+ main_offset 39432) main_length), 207597#(<= (+ main_offset 39436) main_length), 207596#(<= (+ main_offset 39440) main_length), 207603#(<= (+ main_offset 39412) main_length), 207602#(<= (+ main_offset 39416) main_length), 207601#(<= (+ main_offset 39420) main_length), 207600#(<= (+ main_offset 39424) main_length), 207607#(<= (+ main_offset 39396) main_length), 207606#(<= (+ main_offset 39400) main_length), 207605#(<= (+ main_offset 39404) main_length), 207604#(<= (+ main_offset 39408) main_length), 207611#(<= (+ main_offset 39380) main_length), 207610#(<= (+ main_offset 39384) main_length), 207609#(<= (+ main_offset 39388) main_length), 207608#(<= (+ main_offset 39392) main_length), 207615#(<= (+ main_offset 39364) main_length), 207614#(<= (+ main_offset 39368) main_length), 207613#(<= (+ main_offset 39372) main_length), 207612#(<= (+ main_offset 39376) main_length), 207619#(<= (+ main_offset 39348) main_length), 207618#(<= (+ main_offset 39352) main_length), 207617#(<= (+ main_offset 39356) main_length), 207616#(<= (+ main_offset 39360) main_length), 207623#(<= (+ main_offset 39332) main_length), 207622#(<= (+ main_offset 39336) main_length), 207621#(<= (+ main_offset 39340) main_length), 207620#(<= (+ main_offset 39344) main_length), 207627#(<= (+ main_offset 39316) main_length), 207626#(<= (+ main_offset 39320) main_length), 207625#(<= (+ main_offset 39324) main_length), 207624#(<= (+ main_offset 39328) main_length), 207631#(<= (+ main_offset 39300) main_length), 207630#(<= (+ main_offset 39304) main_length), 207629#(<= (+ main_offset 39308) main_length), 207628#(<= (+ main_offset 39312) main_length), 207635#(<= (+ main_offset 39284) main_length), 207634#(<= (+ main_offset 39288) main_length), 207633#(<= (+ main_offset 39292) main_length), 207632#(<= (+ main_offset 39296) main_length), 207639#(<= (+ main_offset 39268) main_length), 207638#(<= (+ main_offset 39272) main_length), 207637#(<= (+ main_offset 39276) main_length), 207636#(<= (+ main_offset 39280) main_length), 207643#(<= (+ main_offset 39252) main_length), 207642#(<= (+ main_offset 39256) main_length), 207641#(<= (+ main_offset 39260) main_length), 207640#(<= (+ main_offset 39264) main_length), 207647#(<= (+ main_offset 39236) main_length), 207646#(<= (+ main_offset 39240) main_length), 207645#(<= (+ main_offset 39244) main_length), 207644#(<= (+ main_offset 39248) main_length), 207651#(<= (+ main_offset 39220) main_length), 207650#(<= (+ main_offset 39224) main_length), 207649#(<= (+ main_offset 39228) main_length), 207648#(<= (+ main_offset 39232) main_length), 207655#(<= (+ main_offset 39204) main_length), 207654#(<= (+ main_offset 39208) main_length), 207653#(<= (+ main_offset 39212) main_length), 207652#(<= (+ main_offset 39216) main_length), 207659#(<= (+ main_offset 39188) main_length), 207658#(<= (+ main_offset 39192) main_length), 207657#(<= (+ main_offset 39196) main_length), 207656#(<= (+ main_offset 39200) main_length), 207663#(<= (+ main_offset 39172) main_length), 207662#(<= (+ main_offset 39176) main_length), 207661#(<= (+ main_offset 39180) main_length), 207660#(<= (+ main_offset 39184) main_length), 207667#(<= (+ main_offset 39156) main_length), 207666#(<= (+ main_offset 39160) main_length), 207665#(<= (+ main_offset 39164) main_length), 207664#(<= (+ main_offset 39168) main_length), 207668#(<= (+ main_offset 39152) main_length)] [2018-07-23 13:58:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 45156 backedges. 0 proven. 45156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:17,287 INFO L450 AbstractCegarLoop]: Interpolant automaton has 215 states [2018-07-23 13:58:17,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 215 interpolants. [2018-07-23 13:58:17,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:58:17,290 INFO L87 Difference]: Start difference. First operand 428 states and 428 transitions. Second operand 215 states. [2018-07-23 13:58:18,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:18,913 INFO L93 Difference]: Finished difference Result 431 states and 431 transitions. [2018-07-23 13:58:18,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2018-07-23 13:58:18,914 INFO L78 Accepts]: Start accepts. Automaton has 215 states. Word has length 427 [2018-07-23 13:58:18,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:18,914 INFO L225 Difference]: With dead ends: 431 [2018-07-23 13:58:18,914 INFO L226 Difference]: Without dead ends: 430 [2018-07-23 13:58:18,916 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:58:18,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2018-07-23 13:58:18,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2018-07-23 13:58:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2018-07-23 13:58:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 430 transitions. [2018-07-23 13:58:18,920 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 430 transitions. Word has length 427 [2018-07-23 13:58:18,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:18,920 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 430 transitions. [2018-07-23 13:58:18,921 INFO L472 AbstractCegarLoop]: Interpolant automaton has 215 states. [2018-07-23 13:58:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 430 transitions. [2018-07-23 13:58:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-07-23 13:58:18,922 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:18,922 INFO L357 BasicCegarLoop]: trace histogram [214, 213, 1, 1] [2018-07-23 13:58:18,922 INFO L414 AbstractCegarLoop]: === Iteration 214 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:18,922 INFO L82 PathProgramCache]: Analyzing trace with hash -38371638, now seen corresponding path program 213 times [2018-07-23 13:58:18,922 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 45582 backedges. 0 proven. 45582 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:20,759 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:20,759 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [214] total 214 [2018-07-23 13:58:20,759 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:20,760 INFO L185 omatonBuilderFactory]: Interpolants [209411#(<= (+ main_offset 39928) main_length), 209410#(<= (+ main_offset 39932) main_length), 209409#(<= (+ main_offset 39936) main_length), 209408#(<= (+ main_offset 39940) main_length), 209415#(<= (+ main_offset 39912) main_length), 209414#(<= (+ main_offset 39916) main_length), 209413#(<= (+ main_offset 39920) main_length), 209412#(<= (+ main_offset 39924) main_length), 209419#(<= (+ main_offset 39896) main_length), 209418#(<= (+ main_offset 39900) main_length), 209417#(<= (+ main_offset 39904) main_length), 209416#(<= (+ main_offset 39908) main_length), 209423#(<= (+ main_offset 39880) main_length), 209422#(<= (+ main_offset 39884) main_length), 209421#(<= (+ main_offset 39888) main_length), 209420#(<= (+ main_offset 39892) main_length), 209427#(<= (+ main_offset 39864) main_length), 209426#(<= (+ main_offset 39868) main_length), 209425#(<= (+ main_offset 39872) main_length), 209424#(<= (+ main_offset 39876) main_length), 209431#(<= (+ main_offset 39848) main_length), 209430#(<= (+ main_offset 39852) main_length), 209429#(<= (+ main_offset 39856) main_length), 209428#(<= (+ main_offset 39860) main_length), 209435#(<= (+ main_offset 39832) main_length), 209434#(<= (+ main_offset 39836) main_length), 209433#(<= (+ main_offset 39840) main_length), 209432#(<= (+ main_offset 39844) main_length), 209439#(<= (+ main_offset 39816) main_length), 209438#(<= (+ main_offset 39820) main_length), 209437#(<= (+ main_offset 39824) main_length), 209436#(<= (+ main_offset 39828) main_length), 209443#(<= (+ main_offset 39800) main_length), 209442#(<= (+ main_offset 39804) main_length), 209441#(<= (+ main_offset 39808) main_length), 209440#(<= (+ main_offset 39812) main_length), 209447#(<= (+ main_offset 39784) main_length), 209446#(<= (+ main_offset 39788) main_length), 209445#(<= (+ main_offset 39792) main_length), 209444#(<= (+ main_offset 39796) main_length), 209451#(<= (+ main_offset 39768) main_length), 209450#(<= (+ main_offset 39772) main_length), 209449#(<= (+ main_offset 39776) main_length), 209448#(<= (+ main_offset 39780) main_length), 209455#(<= (+ main_offset 39752) main_length), 209454#(<= (+ main_offset 39756) main_length), 209453#(<= (+ main_offset 39760) main_length), 209452#(<= (+ main_offset 39764) main_length), 209459#(<= (+ main_offset 39736) main_length), 209458#(<= (+ main_offset 39740) main_length), 209457#(<= (+ main_offset 39744) main_length), 209456#(<= (+ main_offset 39748) main_length), 209463#(<= (+ main_offset 39720) main_length), 209462#(<= (+ main_offset 39724) main_length), 209461#(<= (+ main_offset 39728) main_length), 209460#(<= (+ main_offset 39732) main_length), 209467#(<= (+ main_offset 39704) main_length), 209466#(<= (+ main_offset 39708) main_length), 209465#(<= (+ main_offset 39712) main_length), 209464#(<= (+ main_offset 39716) main_length), 209471#(<= (+ main_offset 39688) main_length), 209470#(<= (+ main_offset 39692) main_length), 209469#(<= (+ main_offset 39696) main_length), 209468#(<= (+ main_offset 39700) main_length), 209475#(<= (+ main_offset 39672) main_length), 209474#(<= (+ main_offset 39676) main_length), 209473#(<= (+ main_offset 39680) main_length), 209472#(<= (+ main_offset 39684) main_length), 209479#(<= (+ main_offset 39656) main_length), 209478#(<= (+ main_offset 39660) main_length), 209477#(<= (+ main_offset 39664) main_length), 209476#(<= (+ main_offset 39668) main_length), 209483#(<= (+ main_offset 39640) main_length), 209482#(<= (+ main_offset 39644) main_length), 209481#(<= (+ main_offset 39648) main_length), 209480#(<= (+ main_offset 39652) main_length), 209487#(<= (+ main_offset 39624) main_length), 209486#(<= (+ main_offset 39628) main_length), 209485#(<= (+ main_offset 39632) main_length), 209484#(<= (+ main_offset 39636) main_length), 209491#(<= (+ main_offset 39608) main_length), 209490#(<= (+ main_offset 39612) main_length), 209489#(<= (+ main_offset 39616) main_length), 209488#(<= (+ main_offset 39620) main_length), 209495#(<= (+ main_offset 39592) main_length), 209494#(<= (+ main_offset 39596) main_length), 209493#(<= (+ main_offset 39600) main_length), 209492#(<= (+ main_offset 39604) main_length), 209499#(<= (+ main_offset 39576) main_length), 209498#(<= (+ main_offset 39580) main_length), 209497#(<= (+ main_offset 39584) main_length), 209496#(<= (+ main_offset 39588) main_length), 209503#(<= (+ main_offset 39560) main_length), 209502#(<= (+ main_offset 39564) main_length), 209501#(<= (+ main_offset 39568) main_length), 209500#(<= (+ main_offset 39572) main_length), 209507#(<= (+ main_offset 39544) main_length), 209506#(<= (+ main_offset 39548) main_length), 209505#(<= (+ main_offset 39552) main_length), 209504#(<= (+ main_offset 39556) main_length), 209511#(<= (+ main_offset 39528) main_length), 209510#(<= (+ main_offset 39532) main_length), 209509#(<= (+ main_offset 39536) main_length), 209508#(<= (+ main_offset 39540) main_length), 209515#(<= (+ main_offset 39512) main_length), 209514#(<= (+ main_offset 39516) main_length), 209513#(<= (+ main_offset 39520) main_length), 209512#(<= (+ main_offset 39524) main_length), 209519#(<= (+ main_offset 39496) main_length), 209518#(<= (+ main_offset 39500) main_length), 209517#(<= (+ main_offset 39504) main_length), 209516#(<= (+ main_offset 39508) main_length), 209523#(<= (+ main_offset 39480) main_length), 209522#(<= (+ main_offset 39484) main_length), 209521#(<= (+ main_offset 39488) main_length), 209520#(<= (+ main_offset 39492) main_length), 209527#(<= (+ main_offset 39464) main_length), 209526#(<= (+ main_offset 39468) main_length), 209525#(<= (+ main_offset 39472) main_length), 209524#(<= (+ main_offset 39476) main_length), 209531#(<= (+ main_offset 39448) main_length), 209530#(<= (+ main_offset 39452) main_length), 209529#(<= (+ main_offset 39456) main_length), 209528#(<= (+ main_offset 39460) main_length), 209535#(<= (+ main_offset 39432) main_length), 209534#(<= (+ main_offset 39436) main_length), 209533#(<= (+ main_offset 39440) main_length), 209532#(<= (+ main_offset 39444) main_length), 209539#(<= (+ main_offset 39416) main_length), 209538#(<= (+ main_offset 39420) main_length), 209537#(<= (+ main_offset 39424) main_length), 209536#(<= (+ main_offset 39428) main_length), 209543#(<= (+ main_offset 39400) main_length), 209542#(<= (+ main_offset 39404) main_length), 209541#(<= (+ main_offset 39408) main_length), 209540#(<= (+ main_offset 39412) main_length), 209547#(<= (+ main_offset 39384) main_length), 209546#(<= (+ main_offset 39388) main_length), 209545#(<= (+ main_offset 39392) main_length), 209544#(<= (+ main_offset 39396) main_length), 209551#(<= (+ main_offset 39368) main_length), 209550#(<= (+ main_offset 39372) main_length), 209549#(<= (+ main_offset 39376) main_length), 209548#(<= (+ main_offset 39380) main_length), 209555#(<= (+ main_offset 39352) main_length), 209554#(<= (+ main_offset 39356) main_length), 209553#(<= (+ main_offset 39360) main_length), 209552#(<= (+ main_offset 39364) main_length), 209559#(<= (+ main_offset 39336) main_length), 209558#(<= (+ main_offset 39340) main_length), 209557#(<= (+ main_offset 39344) main_length), 209556#(<= (+ main_offset 39348) main_length), 209563#(<= (+ main_offset 39320) main_length), 209562#(<= (+ main_offset 39324) main_length), 209561#(<= (+ main_offset 39328) main_length), 209560#(<= (+ main_offset 39332) main_length), 209567#(<= (+ main_offset 39304) main_length), 209566#(<= (+ main_offset 39308) main_length), 209565#(<= (+ main_offset 39312) main_length), 209564#(<= (+ main_offset 39316) main_length), 209571#(<= (+ main_offset 39288) main_length), 209570#(<= (+ main_offset 39292) main_length), 209569#(<= (+ main_offset 39296) main_length), 209568#(<= (+ main_offset 39300) main_length), 209575#(<= (+ main_offset 39272) main_length), 209574#(<= (+ main_offset 39276) main_length), 209573#(<= (+ main_offset 39280) main_length), 209572#(<= (+ main_offset 39284) main_length), 209579#(<= (+ main_offset 39256) main_length), 209578#(<= (+ main_offset 39260) main_length), 209577#(<= (+ main_offset 39264) main_length), 209576#(<= (+ main_offset 39268) main_length), 209583#(<= (+ main_offset 39240) main_length), 209582#(<= (+ main_offset 39244) main_length), 209581#(<= (+ main_offset 39248) main_length), 209580#(<= (+ main_offset 39252) main_length), 209587#(<= (+ main_offset 39224) main_length), 209586#(<= (+ main_offset 39228) main_length), 209585#(<= (+ main_offset 39232) main_length), 209584#(<= (+ main_offset 39236) main_length), 209591#(<= (+ main_offset 39208) main_length), 209590#(<= (+ main_offset 39212) main_length), 209589#(<= (+ main_offset 39216) main_length), 209588#(<= (+ main_offset 39220) main_length), 209595#(<= (+ main_offset 39192) main_length), 209594#(<= (+ main_offset 39196) main_length), 209593#(<= (+ main_offset 39200) main_length), 209592#(<= (+ main_offset 39204) main_length), 209599#(<= (+ main_offset 39176) main_length), 209598#(<= (+ main_offset 39180) main_length), 209597#(<= (+ main_offset 39184) main_length), 209596#(<= (+ main_offset 39188) main_length), 209603#(<= (+ main_offset 39160) main_length), 209602#(<= (+ main_offset 39164) main_length), 209601#(<= (+ main_offset 39168) main_length), 209600#(<= (+ main_offset 39172) main_length), 209606#(<= (+ main_offset 39148) main_length), 209605#(<= (+ main_offset 39152) main_length), 209604#(<= (+ main_offset 39156) main_length), 209391#true, 209395#(<= (+ main_offset 39992) main_length), 209394#(<= (+ main_offset 39996) main_length), 209393#(<= (+ main_offset 40000) main_length), 209392#false, 209399#(<= (+ main_offset 39976) main_length), 209398#(<= (+ main_offset 39980) main_length), 209397#(<= (+ main_offset 39984) main_length), 209396#(<= (+ main_offset 39988) main_length), 209403#(<= (+ main_offset 39960) main_length), 209402#(<= (+ main_offset 39964) main_length), 209401#(<= (+ main_offset 39968) main_length), 209400#(<= (+ main_offset 39972) main_length), 209407#(<= (+ main_offset 39944) main_length), 209406#(<= (+ main_offset 39948) main_length), 209405#(<= (+ main_offset 39952) main_length), 209404#(<= (+ main_offset 39956) main_length)] [2018-07-23 13:58:20,762 INFO L134 CoverageAnalysis]: Checked inductivity of 45582 backedges. 0 proven. 45582 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:20,762 INFO L450 AbstractCegarLoop]: Interpolant automaton has 216 states [2018-07-23 13:58:20,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2018-07-23 13:58:20,764 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:58:20,764 INFO L87 Difference]: Start difference. First operand 430 states and 430 transitions. Second operand 216 states. [2018-07-23 13:58:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:23,728 INFO L93 Difference]: Finished difference Result 433 states and 433 transitions. [2018-07-23 13:58:23,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2018-07-23 13:58:23,728 INFO L78 Accepts]: Start accepts. Automaton has 216 states. Word has length 429 [2018-07-23 13:58:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:23,729 INFO L225 Difference]: With dead ends: 433 [2018-07-23 13:58:23,729 INFO L226 Difference]: Without dead ends: 432 [2018-07-23 13:58:23,730 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:58:23,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-07-23 13:58:23,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2018-07-23 13:58:23,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-07-23 13:58:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 432 transitions. [2018-07-23 13:58:23,736 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 432 transitions. Word has length 429 [2018-07-23 13:58:23,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:23,736 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 432 transitions. [2018-07-23 13:58:23,736 INFO L472 AbstractCegarLoop]: Interpolant automaton has 216 states. [2018-07-23 13:58:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 432 transitions. [2018-07-23 13:58:23,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2018-07-23 13:58:23,737 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:23,737 INFO L357 BasicCegarLoop]: trace histogram [215, 214, 1, 1] [2018-07-23 13:58:23,738 INFO L414 AbstractCegarLoop]: === Iteration 215 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:23,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1779562636, now seen corresponding path program 214 times [2018-07-23 13:58:23,738 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 46010 backedges. 0 proven. 46010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:25,940 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:25,940 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [215] total 215 [2018-07-23 13:58:25,940 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:25,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:25,941 INFO L185 omatonBuilderFactory]: Interpolants [211459#(<= (+ main_offset 39520) main_length), 211458#(<= (+ main_offset 39524) main_length), 211457#(<= (+ main_offset 39528) main_length), 211456#(<= (+ main_offset 39532) main_length), 211463#(<= (+ main_offset 39504) main_length), 211462#(<= (+ main_offset 39508) main_length), 211461#(<= (+ main_offset 39512) main_length), 211460#(<= (+ main_offset 39516) main_length), 211467#(<= (+ main_offset 39488) main_length), 211466#(<= (+ main_offset 39492) main_length), 211465#(<= (+ main_offset 39496) main_length), 211464#(<= (+ main_offset 39500) main_length), 211471#(<= (+ main_offset 39472) main_length), 211470#(<= (+ main_offset 39476) main_length), 211469#(<= (+ main_offset 39480) main_length), 211468#(<= (+ main_offset 39484) main_length), 211475#(<= (+ main_offset 39456) main_length), 211474#(<= (+ main_offset 39460) main_length), 211473#(<= (+ main_offset 39464) main_length), 211472#(<= (+ main_offset 39468) main_length), 211479#(<= (+ main_offset 39440) main_length), 211478#(<= (+ main_offset 39444) main_length), 211477#(<= (+ main_offset 39448) main_length), 211476#(<= (+ main_offset 39452) main_length), 211483#(<= (+ main_offset 39424) main_length), 211482#(<= (+ main_offset 39428) main_length), 211481#(<= (+ main_offset 39432) main_length), 211480#(<= (+ main_offset 39436) main_length), 211487#(<= (+ main_offset 39408) main_length), 211486#(<= (+ main_offset 39412) main_length), 211485#(<= (+ main_offset 39416) main_length), 211484#(<= (+ main_offset 39420) main_length), 211491#(<= (+ main_offset 39392) main_length), 211490#(<= (+ main_offset 39396) main_length), 211489#(<= (+ main_offset 39400) main_length), 211488#(<= (+ main_offset 39404) main_length), 211495#(<= (+ main_offset 39376) main_length), 211494#(<= (+ main_offset 39380) main_length), 211493#(<= (+ main_offset 39384) main_length), 211492#(<= (+ main_offset 39388) main_length), 211499#(<= (+ main_offset 39360) main_length), 211498#(<= (+ main_offset 39364) main_length), 211497#(<= (+ main_offset 39368) main_length), 211496#(<= (+ main_offset 39372) main_length), 211503#(<= (+ main_offset 39344) main_length), 211502#(<= (+ main_offset 39348) main_length), 211501#(<= (+ main_offset 39352) main_length), 211500#(<= (+ main_offset 39356) main_length), 211507#(<= (+ main_offset 39328) main_length), 211506#(<= (+ main_offset 39332) main_length), 211505#(<= (+ main_offset 39336) main_length), 211504#(<= (+ main_offset 39340) main_length), 211511#(<= (+ main_offset 39312) main_length), 211510#(<= (+ main_offset 39316) main_length), 211509#(<= (+ main_offset 39320) main_length), 211508#(<= (+ main_offset 39324) main_length), 211515#(<= (+ main_offset 39296) main_length), 211514#(<= (+ main_offset 39300) main_length), 211513#(<= (+ main_offset 39304) main_length), 211512#(<= (+ main_offset 39308) main_length), 211519#(<= (+ main_offset 39280) main_length), 211518#(<= (+ main_offset 39284) main_length), 211517#(<= (+ main_offset 39288) main_length), 211516#(<= (+ main_offset 39292) main_length), 211523#(<= (+ main_offset 39264) main_length), 211522#(<= (+ main_offset 39268) main_length), 211521#(<= (+ main_offset 39272) main_length), 211520#(<= (+ main_offset 39276) main_length), 211527#(<= (+ main_offset 39248) main_length), 211526#(<= (+ main_offset 39252) main_length), 211525#(<= (+ main_offset 39256) main_length), 211524#(<= (+ main_offset 39260) main_length), 211531#(<= (+ main_offset 39232) main_length), 211530#(<= (+ main_offset 39236) main_length), 211529#(<= (+ main_offset 39240) main_length), 211528#(<= (+ main_offset 39244) main_length), 211535#(<= (+ main_offset 39216) main_length), 211534#(<= (+ main_offset 39220) main_length), 211533#(<= (+ main_offset 39224) main_length), 211532#(<= (+ main_offset 39228) main_length), 211539#(<= (+ main_offset 39200) main_length), 211538#(<= (+ main_offset 39204) main_length), 211537#(<= (+ main_offset 39208) main_length), 211536#(<= (+ main_offset 39212) main_length), 211543#(<= (+ main_offset 39184) main_length), 211542#(<= (+ main_offset 39188) main_length), 211541#(<= (+ main_offset 39192) main_length), 211540#(<= (+ main_offset 39196) main_length), 211547#(<= (+ main_offset 39168) main_length), 211546#(<= (+ main_offset 39172) main_length), 211545#(<= (+ main_offset 39176) main_length), 211544#(<= (+ main_offset 39180) main_length), 211551#(<= (+ main_offset 39152) main_length), 211550#(<= (+ main_offset 39156) main_length), 211549#(<= (+ main_offset 39160) main_length), 211548#(<= (+ main_offset 39164) main_length), 211553#(<= (+ main_offset 39144) main_length), 211552#(<= (+ main_offset 39148) main_length), 211339#(<= (+ main_offset 40000) main_length), 211338#false, 211337#true, 211343#(<= (+ main_offset 39984) main_length), 211342#(<= (+ main_offset 39988) main_length), 211341#(<= (+ main_offset 39992) main_length), 211340#(<= (+ main_offset 39996) main_length), 211347#(<= (+ main_offset 39968) main_length), 211346#(<= (+ main_offset 39972) main_length), 211345#(<= (+ main_offset 39976) main_length), 211344#(<= (+ main_offset 39980) main_length), 211351#(<= (+ main_offset 39952) main_length), 211350#(<= (+ main_offset 39956) main_length), 211349#(<= (+ main_offset 39960) main_length), 211348#(<= (+ main_offset 39964) main_length), 211355#(<= (+ main_offset 39936) main_length), 211354#(<= (+ main_offset 39940) main_length), 211353#(<= (+ main_offset 39944) main_length), 211352#(<= (+ main_offset 39948) main_length), 211359#(<= (+ main_offset 39920) main_length), 211358#(<= (+ main_offset 39924) main_length), 211357#(<= (+ main_offset 39928) main_length), 211356#(<= (+ main_offset 39932) main_length), 211363#(<= (+ main_offset 39904) main_length), 211362#(<= (+ main_offset 39908) main_length), 211361#(<= (+ main_offset 39912) main_length), 211360#(<= (+ main_offset 39916) main_length), 211367#(<= (+ main_offset 39888) main_length), 211366#(<= (+ main_offset 39892) main_length), 211365#(<= (+ main_offset 39896) main_length), 211364#(<= (+ main_offset 39900) main_length), 211371#(<= (+ main_offset 39872) main_length), 211370#(<= (+ main_offset 39876) main_length), 211369#(<= (+ main_offset 39880) main_length), 211368#(<= (+ main_offset 39884) main_length), 211375#(<= (+ main_offset 39856) main_length), 211374#(<= (+ main_offset 39860) main_length), 211373#(<= (+ main_offset 39864) main_length), 211372#(<= (+ main_offset 39868) main_length), 211379#(<= (+ main_offset 39840) main_length), 211378#(<= (+ main_offset 39844) main_length), 211377#(<= (+ main_offset 39848) main_length), 211376#(<= (+ main_offset 39852) main_length), 211383#(<= (+ main_offset 39824) main_length), 211382#(<= (+ main_offset 39828) main_length), 211381#(<= (+ main_offset 39832) main_length), 211380#(<= (+ main_offset 39836) main_length), 211387#(<= (+ main_offset 39808) main_length), 211386#(<= (+ main_offset 39812) main_length), 211385#(<= (+ main_offset 39816) main_length), 211384#(<= (+ main_offset 39820) main_length), 211391#(<= (+ main_offset 39792) main_length), 211390#(<= (+ main_offset 39796) main_length), 211389#(<= (+ main_offset 39800) main_length), 211388#(<= (+ main_offset 39804) main_length), 211395#(<= (+ main_offset 39776) main_length), 211394#(<= (+ main_offset 39780) main_length), 211393#(<= (+ main_offset 39784) main_length), 211392#(<= (+ main_offset 39788) main_length), 211399#(<= (+ main_offset 39760) main_length), 211398#(<= (+ main_offset 39764) main_length), 211397#(<= (+ main_offset 39768) main_length), 211396#(<= (+ main_offset 39772) main_length), 211403#(<= (+ main_offset 39744) main_length), 211402#(<= (+ main_offset 39748) main_length), 211401#(<= (+ main_offset 39752) main_length), 211400#(<= (+ main_offset 39756) main_length), 211407#(<= (+ main_offset 39728) main_length), 211406#(<= (+ main_offset 39732) main_length), 211405#(<= (+ main_offset 39736) main_length), 211404#(<= (+ main_offset 39740) main_length), 211411#(<= (+ main_offset 39712) main_length), 211410#(<= (+ main_offset 39716) main_length), 211409#(<= (+ main_offset 39720) main_length), 211408#(<= (+ main_offset 39724) main_length), 211415#(<= (+ main_offset 39696) main_length), 211414#(<= (+ main_offset 39700) main_length), 211413#(<= (+ main_offset 39704) main_length), 211412#(<= (+ main_offset 39708) main_length), 211419#(<= (+ main_offset 39680) main_length), 211418#(<= (+ main_offset 39684) main_length), 211417#(<= (+ main_offset 39688) main_length), 211416#(<= (+ main_offset 39692) main_length), 211423#(<= (+ main_offset 39664) main_length), 211422#(<= (+ main_offset 39668) main_length), 211421#(<= (+ main_offset 39672) main_length), 211420#(<= (+ main_offset 39676) main_length), 211427#(<= (+ main_offset 39648) main_length), 211426#(<= (+ main_offset 39652) main_length), 211425#(<= (+ main_offset 39656) main_length), 211424#(<= (+ main_offset 39660) main_length), 211431#(<= (+ main_offset 39632) main_length), 211430#(<= (+ main_offset 39636) main_length), 211429#(<= (+ main_offset 39640) main_length), 211428#(<= (+ main_offset 39644) main_length), 211435#(<= (+ main_offset 39616) main_length), 211434#(<= (+ main_offset 39620) main_length), 211433#(<= (+ main_offset 39624) main_length), 211432#(<= (+ main_offset 39628) main_length), 211439#(<= (+ main_offset 39600) main_length), 211438#(<= (+ main_offset 39604) main_length), 211437#(<= (+ main_offset 39608) main_length), 211436#(<= (+ main_offset 39612) main_length), 211443#(<= (+ main_offset 39584) main_length), 211442#(<= (+ main_offset 39588) main_length), 211441#(<= (+ main_offset 39592) main_length), 211440#(<= (+ main_offset 39596) main_length), 211447#(<= (+ main_offset 39568) main_length), 211446#(<= (+ main_offset 39572) main_length), 211445#(<= (+ main_offset 39576) main_length), 211444#(<= (+ main_offset 39580) main_length), 211451#(<= (+ main_offset 39552) main_length), 211450#(<= (+ main_offset 39556) main_length), 211449#(<= (+ main_offset 39560) main_length), 211448#(<= (+ main_offset 39564) main_length), 211455#(<= (+ main_offset 39536) main_length), 211454#(<= (+ main_offset 39540) main_length), 211453#(<= (+ main_offset 39544) main_length), 211452#(<= (+ main_offset 39548) main_length)] [2018-07-23 13:58:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 46010 backedges. 0 proven. 46010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:25,943 INFO L450 AbstractCegarLoop]: Interpolant automaton has 217 states [2018-07-23 13:58:25,947 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2018-07-23 13:58:25,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:58:25,948 INFO L87 Difference]: Start difference. First operand 432 states and 432 transitions. Second operand 217 states. [2018-07-23 13:58:26,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:26,896 INFO L93 Difference]: Finished difference Result 435 states and 435 transitions. [2018-07-23 13:58:26,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2018-07-23 13:58:26,896 INFO L78 Accepts]: Start accepts. Automaton has 217 states. Word has length 431 [2018-07-23 13:58:26,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:26,897 INFO L225 Difference]: With dead ends: 435 [2018-07-23 13:58:26,897 INFO L226 Difference]: Without dead ends: 434 [2018-07-23 13:58:26,899 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:58:26,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-23 13:58:26,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-23 13:58:26,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-23 13:58:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 434 transitions. [2018-07-23 13:58:26,905 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 434 transitions. Word has length 431 [2018-07-23 13:58:26,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:26,905 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 434 transitions. [2018-07-23 13:58:26,905 INFO L472 AbstractCegarLoop]: Interpolant automaton has 217 states. [2018-07-23 13:58:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 434 transitions. [2018-07-23 13:58:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2018-07-23 13:58:26,907 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:26,907 INFO L357 BasicCegarLoop]: trace histogram [216, 215, 1, 1] [2018-07-23 13:58:26,907 INFO L414 AbstractCegarLoop]: === Iteration 216 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:26,907 INFO L82 PathProgramCache]: Analyzing trace with hash 762710478, now seen corresponding path program 215 times [2018-07-23 13:58:26,907 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 46440 backedges. 0 proven. 46440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:29,033 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:29,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [216] total 216 [2018-07-23 13:58:29,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:29,034 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 13:58:29,034 INFO L185 omatonBuilderFactory]: Interpolants [213507#(<= (+ main_offset 39148) main_length), 213506#(<= (+ main_offset 39152) main_length), 213505#(<= (+ main_offset 39156) main_length), 213504#(<= (+ main_offset 39160) main_length), 213509#(<= (+ main_offset 39140) main_length), 213508#(<= (+ main_offset 39144) main_length), 213295#(<= (+ main_offset 39996) main_length), 213294#(<= (+ main_offset 40000) main_length), 213293#false, 213292#true, 213299#(<= (+ main_offset 39980) main_length), 213298#(<= (+ main_offset 39984) main_length), 213297#(<= (+ main_offset 39988) main_length), 213296#(<= (+ main_offset 39992) main_length), 213303#(<= (+ main_offset 39964) main_length), 213302#(<= (+ main_offset 39968) main_length), 213301#(<= (+ main_offset 39972) main_length), 213300#(<= (+ main_offset 39976) main_length), 213307#(<= (+ main_offset 39948) main_length), 213306#(<= (+ main_offset 39952) main_length), 213305#(<= (+ main_offset 39956) main_length), 213304#(<= (+ main_offset 39960) main_length), 213311#(<= (+ main_offset 39932) main_length), 213310#(<= (+ main_offset 39936) main_length), 213309#(<= (+ main_offset 39940) main_length), 213308#(<= (+ main_offset 39944) main_length), 213315#(<= (+ main_offset 39916) main_length), 213314#(<= (+ main_offset 39920) main_length), 213313#(<= (+ main_offset 39924) main_length), 213312#(<= (+ main_offset 39928) main_length), 213319#(<= (+ main_offset 39900) main_length), 213318#(<= (+ main_offset 39904) main_length), 213317#(<= (+ main_offset 39908) main_length), 213316#(<= (+ main_offset 39912) main_length), 213323#(<= (+ main_offset 39884) main_length), 213322#(<= (+ main_offset 39888) main_length), 213321#(<= (+ main_offset 39892) main_length), 213320#(<= (+ main_offset 39896) main_length), 213327#(<= (+ main_offset 39868) main_length), 213326#(<= (+ main_offset 39872) main_length), 213325#(<= (+ main_offset 39876) main_length), 213324#(<= (+ main_offset 39880) main_length), 213331#(<= (+ main_offset 39852) main_length), 213330#(<= (+ main_offset 39856) main_length), 213329#(<= (+ main_offset 39860) main_length), 213328#(<= (+ main_offset 39864) main_length), 213335#(<= (+ main_offset 39836) main_length), 213334#(<= (+ main_offset 39840) main_length), 213333#(<= (+ main_offset 39844) main_length), 213332#(<= (+ main_offset 39848) main_length), 213339#(<= (+ main_offset 39820) main_length), 213338#(<= (+ main_offset 39824) main_length), 213337#(<= (+ main_offset 39828) main_length), 213336#(<= (+ main_offset 39832) main_length), 213343#(<= (+ main_offset 39804) main_length), 213342#(<= (+ main_offset 39808) main_length), 213341#(<= (+ main_offset 39812) main_length), 213340#(<= (+ main_offset 39816) main_length), 213347#(<= (+ main_offset 39788) main_length), 213346#(<= (+ main_offset 39792) main_length), 213345#(<= (+ main_offset 39796) main_length), 213344#(<= (+ main_offset 39800) main_length), 213351#(<= (+ main_offset 39772) main_length), 213350#(<= (+ main_offset 39776) main_length), 213349#(<= (+ main_offset 39780) main_length), 213348#(<= (+ main_offset 39784) main_length), 213355#(<= (+ main_offset 39756) main_length), 213354#(<= (+ main_offset 39760) main_length), 213353#(<= (+ main_offset 39764) main_length), 213352#(<= (+ main_offset 39768) main_length), 213359#(<= (+ main_offset 39740) main_length), 213358#(<= (+ main_offset 39744) main_length), 213357#(<= (+ main_offset 39748) main_length), 213356#(<= (+ main_offset 39752) main_length), 213363#(<= (+ main_offset 39724) main_length), 213362#(<= (+ main_offset 39728) main_length), 213361#(<= (+ main_offset 39732) main_length), 213360#(<= (+ main_offset 39736) main_length), 213367#(<= (+ main_offset 39708) main_length), 213366#(<= (+ main_offset 39712) main_length), 213365#(<= (+ main_offset 39716) main_length), 213364#(<= (+ main_offset 39720) main_length), 213371#(<= (+ main_offset 39692) main_length), 213370#(<= (+ main_offset 39696) main_length), 213369#(<= (+ main_offset 39700) main_length), 213368#(<= (+ main_offset 39704) main_length), 213375#(<= (+ main_offset 39676) main_length), 213374#(<= (+ main_offset 39680) main_length), 213373#(<= (+ main_offset 39684) main_length), 213372#(<= (+ main_offset 39688) main_length), 213379#(<= (+ main_offset 39660) main_length), 213378#(<= (+ main_offset 39664) main_length), 213377#(<= (+ main_offset 39668) main_length), 213376#(<= (+ main_offset 39672) main_length), 213383#(<= (+ main_offset 39644) main_length), 213382#(<= (+ main_offset 39648) main_length), 213381#(<= (+ main_offset 39652) main_length), 213380#(<= (+ main_offset 39656) main_length), 213387#(<= (+ main_offset 39628) main_length), 213386#(<= (+ main_offset 39632) main_length), 213385#(<= (+ main_offset 39636) main_length), 213384#(<= (+ main_offset 39640) main_length), 213391#(<= (+ main_offset 39612) main_length), 213390#(<= (+ main_offset 39616) main_length), 213389#(<= (+ main_offset 39620) main_length), 213388#(<= (+ main_offset 39624) main_length), 213395#(<= (+ main_offset 39596) main_length), 213394#(<= (+ main_offset 39600) main_length), 213393#(<= (+ main_offset 39604) main_length), 213392#(<= (+ main_offset 39608) main_length), 213399#(<= (+ main_offset 39580) main_length), 213398#(<= (+ main_offset 39584) main_length), 213397#(<= (+ main_offset 39588) main_length), 213396#(<= (+ main_offset 39592) main_length), 213403#(<= (+ main_offset 39564) main_length), 213402#(<= (+ main_offset 39568) main_length), 213401#(<= (+ main_offset 39572) main_length), 213400#(<= (+ main_offset 39576) main_length), 213407#(<= (+ main_offset 39548) main_length), 213406#(<= (+ main_offset 39552) main_length), 213405#(<= (+ main_offset 39556) main_length), 213404#(<= (+ main_offset 39560) main_length), 213411#(<= (+ main_offset 39532) main_length), 213410#(<= (+ main_offset 39536) main_length), 213409#(<= (+ main_offset 39540) main_length), 213408#(<= (+ main_offset 39544) main_length), 213415#(<= (+ main_offset 39516) main_length), 213414#(<= (+ main_offset 39520) main_length), 213413#(<= (+ main_offset 39524) main_length), 213412#(<= (+ main_offset 39528) main_length), 213419#(<= (+ main_offset 39500) main_length), 213418#(<= (+ main_offset 39504) main_length), 213417#(<= (+ main_offset 39508) main_length), 213416#(<= (+ main_offset 39512) main_length), 213423#(<= (+ main_offset 39484) main_length), 213422#(<= (+ main_offset 39488) main_length), 213421#(<= (+ main_offset 39492) main_length), 213420#(<= (+ main_offset 39496) main_length), 213427#(<= (+ main_offset 39468) main_length), 213426#(<= (+ main_offset 39472) main_length), 213425#(<= (+ main_offset 39476) main_length), 213424#(<= (+ main_offset 39480) main_length), 213431#(<= (+ main_offset 39452) main_length), 213430#(<= (+ main_offset 39456) main_length), 213429#(<= (+ main_offset 39460) main_length), 213428#(<= (+ main_offset 39464) main_length), 213435#(<= (+ main_offset 39436) main_length), 213434#(<= (+ main_offset 39440) main_length), 213433#(<= (+ main_offset 39444) main_length), 213432#(<= (+ main_offset 39448) main_length), 213439#(<= (+ main_offset 39420) main_length), 213438#(<= (+ main_offset 39424) main_length), 213437#(<= (+ main_offset 39428) main_length), 213436#(<= (+ main_offset 39432) main_length), 213443#(<= (+ main_offset 39404) main_length), 213442#(<= (+ main_offset 39408) main_length), 213441#(<= (+ main_offset 39412) main_length), 213440#(<= (+ main_offset 39416) main_length), 213447#(<= (+ main_offset 39388) main_length), 213446#(<= (+ main_offset 39392) main_length), 213445#(<= (+ main_offset 39396) main_length), 213444#(<= (+ main_offset 39400) main_length), 213451#(<= (+ main_offset 39372) main_length), 213450#(<= (+ main_offset 39376) main_length), 213449#(<= (+ main_offset 39380) main_length), 213448#(<= (+ main_offset 39384) main_length), 213455#(<= (+ main_offset 39356) main_length), 213454#(<= (+ main_offset 39360) main_length), 213453#(<= (+ main_offset 39364) main_length), 213452#(<= (+ main_offset 39368) main_length), 213459#(<= (+ main_offset 39340) main_length), 213458#(<= (+ main_offset 39344) main_length), 213457#(<= (+ main_offset 39348) main_length), 213456#(<= (+ main_offset 39352) main_length), 213463#(<= (+ main_offset 39324) main_length), 213462#(<= (+ main_offset 39328) main_length), 213461#(<= (+ main_offset 39332) main_length), 213460#(<= (+ main_offset 39336) main_length), 213467#(<= (+ main_offset 39308) main_length), 213466#(<= (+ main_offset 39312) main_length), 213465#(<= (+ main_offset 39316) main_length), 213464#(<= (+ main_offset 39320) main_length), 213471#(<= (+ main_offset 39292) main_length), 213470#(<= (+ main_offset 39296) main_length), 213469#(<= (+ main_offset 39300) main_length), 213468#(<= (+ main_offset 39304) main_length), 213475#(<= (+ main_offset 39276) main_length), 213474#(<= (+ main_offset 39280) main_length), 213473#(<= (+ main_offset 39284) main_length), 213472#(<= (+ main_offset 39288) main_length), 213479#(<= (+ main_offset 39260) main_length), 213478#(<= (+ main_offset 39264) main_length), 213477#(<= (+ main_offset 39268) main_length), 213476#(<= (+ main_offset 39272) main_length), 213483#(<= (+ main_offset 39244) main_length), 213482#(<= (+ main_offset 39248) main_length), 213481#(<= (+ main_offset 39252) main_length), 213480#(<= (+ main_offset 39256) main_length), 213487#(<= (+ main_offset 39228) main_length), 213486#(<= (+ main_offset 39232) main_length), 213485#(<= (+ main_offset 39236) main_length), 213484#(<= (+ main_offset 39240) main_length), 213491#(<= (+ main_offset 39212) main_length), 213490#(<= (+ main_offset 39216) main_length), 213489#(<= (+ main_offset 39220) main_length), 213488#(<= (+ main_offset 39224) main_length), 213495#(<= (+ main_offset 39196) main_length), 213494#(<= (+ main_offset 39200) main_length), 213493#(<= (+ main_offset 39204) main_length), 213492#(<= (+ main_offset 39208) main_length), 213499#(<= (+ main_offset 39180) main_length), 213498#(<= (+ main_offset 39184) main_length), 213497#(<= (+ main_offset 39188) main_length), 213496#(<= (+ main_offset 39192) main_length), 213503#(<= (+ main_offset 39164) main_length), 213502#(<= (+ main_offset 39168) main_length), 213501#(<= (+ main_offset 39172) main_length), 213500#(<= (+ main_offset 39176) main_length)] [2018-07-23 13:58:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 46440 backedges. 0 proven. 46440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:29,037 INFO L450 AbstractCegarLoop]: Interpolant automaton has 218 states [2018-07-23 13:58:29,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2018-07-23 13:58:29,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:58:29,042 INFO L87 Difference]: Start difference. First operand 434 states and 434 transitions. Second operand 218 states. [2018-07-23 13:58:32,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:32,317 INFO L93 Difference]: Finished difference Result 437 states and 437 transitions. [2018-07-23 13:58:32,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2018-07-23 13:58:32,318 INFO L78 Accepts]: Start accepts. Automaton has 218 states. Word has length 433 [2018-07-23 13:58:32,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:32,318 INFO L225 Difference]: With dead ends: 437 [2018-07-23 13:58:32,318 INFO L226 Difference]: Without dead ends: 436 [2018-07-23 13:58:32,321 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:58:32,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-07-23 13:58:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2018-07-23 13:58:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2018-07-23 13:58:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 436 transitions. [2018-07-23 13:58:32,327 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 436 transitions. Word has length 433 [2018-07-23 13:58:32,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:32,327 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 436 transitions. [2018-07-23 13:58:32,327 INFO L472 AbstractCegarLoop]: Interpolant automaton has 218 states. [2018-07-23 13:58:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 436 transitions. [2018-07-23 13:58:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-07-23 13:58:32,329 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:32,329 INFO L357 BasicCegarLoop]: trace histogram [217, 216, 1, 1] [2018-07-23 13:58:32,329 INFO L414 AbstractCegarLoop]: === Iteration 217 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:32,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1474637168, now seen corresponding path program 216 times [2018-07-23 13:58:32,330 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 46872 backedges. 0 proven. 46872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:34,409 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:34,410 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [217] total 217 [2018-07-23 13:58:34,410 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:34,410 INFO L185 omatonBuilderFactory]: Interpolants [215259#(<= (+ main_offset 39996) main_length), 215258#(<= (+ main_offset 40000) main_length), 215257#false, 215256#true, 215263#(<= (+ main_offset 39980) main_length), 215262#(<= (+ main_offset 39984) main_length), 215261#(<= (+ main_offset 39988) main_length), 215260#(<= (+ main_offset 39992) main_length), 215267#(<= (+ main_offset 39964) main_length), 215266#(<= (+ main_offset 39968) main_length), 215265#(<= (+ main_offset 39972) main_length), 215264#(<= (+ main_offset 39976) main_length), 215271#(<= (+ main_offset 39948) main_length), 215270#(<= (+ main_offset 39952) main_length), 215269#(<= (+ main_offset 39956) main_length), 215268#(<= (+ main_offset 39960) main_length), 215275#(<= (+ main_offset 39932) main_length), 215274#(<= (+ main_offset 39936) main_length), 215273#(<= (+ main_offset 39940) main_length), 215272#(<= (+ main_offset 39944) main_length), 215279#(<= (+ main_offset 39916) main_length), 215278#(<= (+ main_offset 39920) main_length), 215277#(<= (+ main_offset 39924) main_length), 215276#(<= (+ main_offset 39928) main_length), 215283#(<= (+ main_offset 39900) main_length), 215282#(<= (+ main_offset 39904) main_length), 215281#(<= (+ main_offset 39908) main_length), 215280#(<= (+ main_offset 39912) main_length), 215287#(<= (+ main_offset 39884) main_length), 215286#(<= (+ main_offset 39888) main_length), 215285#(<= (+ main_offset 39892) main_length), 215284#(<= (+ main_offset 39896) main_length), 215291#(<= (+ main_offset 39868) main_length), 215290#(<= (+ main_offset 39872) main_length), 215289#(<= (+ main_offset 39876) main_length), 215288#(<= (+ main_offset 39880) main_length), 215295#(<= (+ main_offset 39852) main_length), 215294#(<= (+ main_offset 39856) main_length), 215293#(<= (+ main_offset 39860) main_length), 215292#(<= (+ main_offset 39864) main_length), 215299#(<= (+ main_offset 39836) main_length), 215298#(<= (+ main_offset 39840) main_length), 215297#(<= (+ main_offset 39844) main_length), 215296#(<= (+ main_offset 39848) main_length), 215303#(<= (+ main_offset 39820) main_length), 215302#(<= (+ main_offset 39824) main_length), 215301#(<= (+ main_offset 39828) main_length), 215300#(<= (+ main_offset 39832) main_length), 215307#(<= (+ main_offset 39804) main_length), 215306#(<= (+ main_offset 39808) main_length), 215305#(<= (+ main_offset 39812) main_length), 215304#(<= (+ main_offset 39816) main_length), 215311#(<= (+ main_offset 39788) main_length), 215310#(<= (+ main_offset 39792) main_length), 215309#(<= (+ main_offset 39796) main_length), 215308#(<= (+ main_offset 39800) main_length), 215315#(<= (+ main_offset 39772) main_length), 215314#(<= (+ main_offset 39776) main_length), 215313#(<= (+ main_offset 39780) main_length), 215312#(<= (+ main_offset 39784) main_length), 215319#(<= (+ main_offset 39756) main_length), 215318#(<= (+ main_offset 39760) main_length), 215317#(<= (+ main_offset 39764) main_length), 215316#(<= (+ main_offset 39768) main_length), 215323#(<= (+ main_offset 39740) main_length), 215322#(<= (+ main_offset 39744) main_length), 215321#(<= (+ main_offset 39748) main_length), 215320#(<= (+ main_offset 39752) main_length), 215327#(<= (+ main_offset 39724) main_length), 215326#(<= (+ main_offset 39728) main_length), 215325#(<= (+ main_offset 39732) main_length), 215324#(<= (+ main_offset 39736) main_length), 215331#(<= (+ main_offset 39708) main_length), 215330#(<= (+ main_offset 39712) main_length), 215329#(<= (+ main_offset 39716) main_length), 215328#(<= (+ main_offset 39720) main_length), 215335#(<= (+ main_offset 39692) main_length), 215334#(<= (+ main_offset 39696) main_length), 215333#(<= (+ main_offset 39700) main_length), 215332#(<= (+ main_offset 39704) main_length), 215339#(<= (+ main_offset 39676) main_length), 215338#(<= (+ main_offset 39680) main_length), 215337#(<= (+ main_offset 39684) main_length), 215336#(<= (+ main_offset 39688) main_length), 215343#(<= (+ main_offset 39660) main_length), 215342#(<= (+ main_offset 39664) main_length), 215341#(<= (+ main_offset 39668) main_length), 215340#(<= (+ main_offset 39672) main_length), 215347#(<= (+ main_offset 39644) main_length), 215346#(<= (+ main_offset 39648) main_length), 215345#(<= (+ main_offset 39652) main_length), 215344#(<= (+ main_offset 39656) main_length), 215351#(<= (+ main_offset 39628) main_length), 215350#(<= (+ main_offset 39632) main_length), 215349#(<= (+ main_offset 39636) main_length), 215348#(<= (+ main_offset 39640) main_length), 215355#(<= (+ main_offset 39612) main_length), 215354#(<= (+ main_offset 39616) main_length), 215353#(<= (+ main_offset 39620) main_length), 215352#(<= (+ main_offset 39624) main_length), 215359#(<= (+ main_offset 39596) main_length), 215358#(<= (+ main_offset 39600) main_length), 215357#(<= (+ main_offset 39604) main_length), 215356#(<= (+ main_offset 39608) main_length), 215363#(<= (+ main_offset 39580) main_length), 215362#(<= (+ main_offset 39584) main_length), 215361#(<= (+ main_offset 39588) main_length), 215360#(<= (+ main_offset 39592) main_length), 215367#(<= (+ main_offset 39564) main_length), 215366#(<= (+ main_offset 39568) main_length), 215365#(<= (+ main_offset 39572) main_length), 215364#(<= (+ main_offset 39576) main_length), 215371#(<= (+ main_offset 39548) main_length), 215370#(<= (+ main_offset 39552) main_length), 215369#(<= (+ main_offset 39556) main_length), 215368#(<= (+ main_offset 39560) main_length), 215375#(<= (+ main_offset 39532) main_length), 215374#(<= (+ main_offset 39536) main_length), 215373#(<= (+ main_offset 39540) main_length), 215372#(<= (+ main_offset 39544) main_length), 215379#(<= (+ main_offset 39516) main_length), 215378#(<= (+ main_offset 39520) main_length), 215377#(<= (+ main_offset 39524) main_length), 215376#(<= (+ main_offset 39528) main_length), 215383#(<= (+ main_offset 39500) main_length), 215382#(<= (+ main_offset 39504) main_length), 215381#(<= (+ main_offset 39508) main_length), 215380#(<= (+ main_offset 39512) main_length), 215387#(<= (+ main_offset 39484) main_length), 215386#(<= (+ main_offset 39488) main_length), 215385#(<= (+ main_offset 39492) main_length), 215384#(<= (+ main_offset 39496) main_length), 215391#(<= (+ main_offset 39468) main_length), 215390#(<= (+ main_offset 39472) main_length), 215389#(<= (+ main_offset 39476) main_length), 215388#(<= (+ main_offset 39480) main_length), 215395#(<= (+ main_offset 39452) main_length), 215394#(<= (+ main_offset 39456) main_length), 215393#(<= (+ main_offset 39460) main_length), 215392#(<= (+ main_offset 39464) main_length), 215399#(<= (+ main_offset 39436) main_length), 215398#(<= (+ main_offset 39440) main_length), 215397#(<= (+ main_offset 39444) main_length), 215396#(<= (+ main_offset 39448) main_length), 215403#(<= (+ main_offset 39420) main_length), 215402#(<= (+ main_offset 39424) main_length), 215401#(<= (+ main_offset 39428) main_length), 215400#(<= (+ main_offset 39432) main_length), 215407#(<= (+ main_offset 39404) main_length), 215406#(<= (+ main_offset 39408) main_length), 215405#(<= (+ main_offset 39412) main_length), 215404#(<= (+ main_offset 39416) main_length), 215411#(<= (+ main_offset 39388) main_length), 215410#(<= (+ main_offset 39392) main_length), 215409#(<= (+ main_offset 39396) main_length), 215408#(<= (+ main_offset 39400) main_length), 215415#(<= (+ main_offset 39372) main_length), 215414#(<= (+ main_offset 39376) main_length), 215413#(<= (+ main_offset 39380) main_length), 215412#(<= (+ main_offset 39384) main_length), 215419#(<= (+ main_offset 39356) main_length), 215418#(<= (+ main_offset 39360) main_length), 215417#(<= (+ main_offset 39364) main_length), 215416#(<= (+ main_offset 39368) main_length), 215423#(<= (+ main_offset 39340) main_length), 215422#(<= (+ main_offset 39344) main_length), 215421#(<= (+ main_offset 39348) main_length), 215420#(<= (+ main_offset 39352) main_length), 215427#(<= (+ main_offset 39324) main_length), 215426#(<= (+ main_offset 39328) main_length), 215425#(<= (+ main_offset 39332) main_length), 215424#(<= (+ main_offset 39336) main_length), 215431#(<= (+ main_offset 39308) main_length), 215430#(<= (+ main_offset 39312) main_length), 215429#(<= (+ main_offset 39316) main_length), 215428#(<= (+ main_offset 39320) main_length), 215435#(<= (+ main_offset 39292) main_length), 215434#(<= (+ main_offset 39296) main_length), 215433#(<= (+ main_offset 39300) main_length), 215432#(<= (+ main_offset 39304) main_length), 215439#(<= (+ main_offset 39276) main_length), 215438#(<= (+ main_offset 39280) main_length), 215437#(<= (+ main_offset 39284) main_length), 215436#(<= (+ main_offset 39288) main_length), 215443#(<= (+ main_offset 39260) main_length), 215442#(<= (+ main_offset 39264) main_length), 215441#(<= (+ main_offset 39268) main_length), 215440#(<= (+ main_offset 39272) main_length), 215447#(<= (+ main_offset 39244) main_length), 215446#(<= (+ main_offset 39248) main_length), 215445#(<= (+ main_offset 39252) main_length), 215444#(<= (+ main_offset 39256) main_length), 215451#(<= (+ main_offset 39228) main_length), 215450#(<= (+ main_offset 39232) main_length), 215449#(<= (+ main_offset 39236) main_length), 215448#(<= (+ main_offset 39240) main_length), 215455#(<= (+ main_offset 39212) main_length), 215454#(<= (+ main_offset 39216) main_length), 215453#(<= (+ main_offset 39220) main_length), 215452#(<= (+ main_offset 39224) main_length), 215459#(<= (+ main_offset 39196) main_length), 215458#(<= (+ main_offset 39200) main_length), 215457#(<= (+ main_offset 39204) main_length), 215456#(<= (+ main_offset 39208) main_length), 215463#(<= (+ main_offset 39180) main_length), 215462#(<= (+ main_offset 39184) main_length), 215461#(<= (+ main_offset 39188) main_length), 215460#(<= (+ main_offset 39192) main_length), 215467#(<= (+ main_offset 39164) main_length), 215466#(<= (+ main_offset 39168) main_length), 215465#(<= (+ main_offset 39172) main_length), 215464#(<= (+ main_offset 39176) main_length), 215471#(<= (+ main_offset 39148) main_length), 215470#(<= (+ main_offset 39152) main_length), 215469#(<= (+ main_offset 39156) main_length), 215468#(<= (+ main_offset 39160) main_length), 215474#(<= (+ main_offset 39136) main_length), 215473#(<= (+ main_offset 39140) main_length), 215472#(<= (+ main_offset 39144) main_length)] [2018-07-23 13:58:34,412 INFO L134 CoverageAnalysis]: Checked inductivity of 46872 backedges. 0 proven. 46872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:34,412 INFO L450 AbstractCegarLoop]: Interpolant automaton has 219 states [2018-07-23 13:58:34,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 219 interpolants. [2018-07-23 13:58:34,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:58:34,416 INFO L87 Difference]: Start difference. First operand 436 states and 436 transitions. Second operand 219 states. [2018-07-23 13:58:37,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:37,226 INFO L93 Difference]: Finished difference Result 439 states and 439 transitions. [2018-07-23 13:58:37,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2018-07-23 13:58:37,226 INFO L78 Accepts]: Start accepts. Automaton has 219 states. Word has length 435 [2018-07-23 13:58:37,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:37,227 INFO L225 Difference]: With dead ends: 439 [2018-07-23 13:58:37,227 INFO L226 Difference]: Without dead ends: 438 [2018-07-23 13:58:37,229 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:58:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-07-23 13:58:37,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2018-07-23 13:58:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2018-07-23 13:58:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 438 transitions. [2018-07-23 13:58:37,233 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 438 transitions. Word has length 435 [2018-07-23 13:58:37,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:37,234 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 438 transitions. [2018-07-23 13:58:37,234 INFO L472 AbstractCegarLoop]: Interpolant automaton has 219 states. [2018-07-23 13:58:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 438 transitions. [2018-07-23 13:58:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2018-07-23 13:58:37,235 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:37,235 INFO L357 BasicCegarLoop]: trace histogram [218, 217, 1, 1] [2018-07-23 13:58:37,235 INFO L414 AbstractCegarLoop]: === Iteration 218 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:37,235 INFO L82 PathProgramCache]: Analyzing trace with hash 212890322, now seen corresponding path program 217 times [2018-07-23 13:58:37,236 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:39,181 INFO L134 CoverageAnalysis]: Checked inductivity of 47306 backedges. 0 proven. 47306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:39,181 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:39,182 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [218] total 218 [2018-07-23 13:58:39,182 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:39,182 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 13:58:39,182 INFO L185 omatonBuilderFactory]: Interpolants [217231#(<= (+ main_offset 40000) main_length), 217230#false, 217229#true, 217235#(<= (+ main_offset 39984) main_length), 217234#(<= (+ main_offset 39988) main_length), 217233#(<= (+ main_offset 39992) main_length), 217232#(<= (+ main_offset 39996) main_length), 217239#(<= (+ main_offset 39968) main_length), 217238#(<= (+ main_offset 39972) main_length), 217237#(<= (+ main_offset 39976) main_length), 217236#(<= (+ main_offset 39980) main_length), 217243#(<= (+ main_offset 39952) main_length), 217242#(<= (+ main_offset 39956) main_length), 217241#(<= (+ main_offset 39960) main_length), 217240#(<= (+ main_offset 39964) main_length), 217247#(<= (+ main_offset 39936) main_length), 217246#(<= (+ main_offset 39940) main_length), 217245#(<= (+ main_offset 39944) main_length), 217244#(<= (+ main_offset 39948) main_length), 217251#(<= (+ main_offset 39920) main_length), 217250#(<= (+ main_offset 39924) main_length), 217249#(<= (+ main_offset 39928) main_length), 217248#(<= (+ main_offset 39932) main_length), 217255#(<= (+ main_offset 39904) main_length), 217254#(<= (+ main_offset 39908) main_length), 217253#(<= (+ main_offset 39912) main_length), 217252#(<= (+ main_offset 39916) main_length), 217259#(<= (+ main_offset 39888) main_length), 217258#(<= (+ main_offset 39892) main_length), 217257#(<= (+ main_offset 39896) main_length), 217256#(<= (+ main_offset 39900) main_length), 217263#(<= (+ main_offset 39872) main_length), 217262#(<= (+ main_offset 39876) main_length), 217261#(<= (+ main_offset 39880) main_length), 217260#(<= (+ main_offset 39884) main_length), 217267#(<= (+ main_offset 39856) main_length), 217266#(<= (+ main_offset 39860) main_length), 217265#(<= (+ main_offset 39864) main_length), 217264#(<= (+ main_offset 39868) main_length), 217271#(<= (+ main_offset 39840) main_length), 217270#(<= (+ main_offset 39844) main_length), 217269#(<= (+ main_offset 39848) main_length), 217268#(<= (+ main_offset 39852) main_length), 217275#(<= (+ main_offset 39824) main_length), 217274#(<= (+ main_offset 39828) main_length), 217273#(<= (+ main_offset 39832) main_length), 217272#(<= (+ main_offset 39836) main_length), 217279#(<= (+ main_offset 39808) main_length), 217278#(<= (+ main_offset 39812) main_length), 217277#(<= (+ main_offset 39816) main_length), 217276#(<= (+ main_offset 39820) main_length), 217283#(<= (+ main_offset 39792) main_length), 217282#(<= (+ main_offset 39796) main_length), 217281#(<= (+ main_offset 39800) main_length), 217280#(<= (+ main_offset 39804) main_length), 217287#(<= (+ main_offset 39776) main_length), 217286#(<= (+ main_offset 39780) main_length), 217285#(<= (+ main_offset 39784) main_length), 217284#(<= (+ main_offset 39788) main_length), 217291#(<= (+ main_offset 39760) main_length), 217290#(<= (+ main_offset 39764) main_length), 217289#(<= (+ main_offset 39768) main_length), 217288#(<= (+ main_offset 39772) main_length), 217295#(<= (+ main_offset 39744) main_length), 217294#(<= (+ main_offset 39748) main_length), 217293#(<= (+ main_offset 39752) main_length), 217292#(<= (+ main_offset 39756) main_length), 217299#(<= (+ main_offset 39728) main_length), 217298#(<= (+ main_offset 39732) main_length), 217297#(<= (+ main_offset 39736) main_length), 217296#(<= (+ main_offset 39740) main_length), 217303#(<= (+ main_offset 39712) main_length), 217302#(<= (+ main_offset 39716) main_length), 217301#(<= (+ main_offset 39720) main_length), 217300#(<= (+ main_offset 39724) main_length), 217307#(<= (+ main_offset 39696) main_length), 217306#(<= (+ main_offset 39700) main_length), 217305#(<= (+ main_offset 39704) main_length), 217304#(<= (+ main_offset 39708) main_length), 217311#(<= (+ main_offset 39680) main_length), 217310#(<= (+ main_offset 39684) main_length), 217309#(<= (+ main_offset 39688) main_length), 217308#(<= (+ main_offset 39692) main_length), 217315#(<= (+ main_offset 39664) main_length), 217314#(<= (+ main_offset 39668) main_length), 217313#(<= (+ main_offset 39672) main_length), 217312#(<= (+ main_offset 39676) main_length), 217319#(<= (+ main_offset 39648) main_length), 217318#(<= (+ main_offset 39652) main_length), 217317#(<= (+ main_offset 39656) main_length), 217316#(<= (+ main_offset 39660) main_length), 217323#(<= (+ main_offset 39632) main_length), 217322#(<= (+ main_offset 39636) main_length), 217321#(<= (+ main_offset 39640) main_length), 217320#(<= (+ main_offset 39644) main_length), 217327#(<= (+ main_offset 39616) main_length), 217326#(<= (+ main_offset 39620) main_length), 217325#(<= (+ main_offset 39624) main_length), 217324#(<= (+ main_offset 39628) main_length), 217331#(<= (+ main_offset 39600) main_length), 217330#(<= (+ main_offset 39604) main_length), 217329#(<= (+ main_offset 39608) main_length), 217328#(<= (+ main_offset 39612) main_length), 217335#(<= (+ main_offset 39584) main_length), 217334#(<= (+ main_offset 39588) main_length), 217333#(<= (+ main_offset 39592) main_length), 217332#(<= (+ main_offset 39596) main_length), 217339#(<= (+ main_offset 39568) main_length), 217338#(<= (+ main_offset 39572) main_length), 217337#(<= (+ main_offset 39576) main_length), 217336#(<= (+ main_offset 39580) main_length), 217343#(<= (+ main_offset 39552) main_length), 217342#(<= (+ main_offset 39556) main_length), 217341#(<= (+ main_offset 39560) main_length), 217340#(<= (+ main_offset 39564) main_length), 217347#(<= (+ main_offset 39536) main_length), 217346#(<= (+ main_offset 39540) main_length), 217345#(<= (+ main_offset 39544) main_length), 217344#(<= (+ main_offset 39548) main_length), 217351#(<= (+ main_offset 39520) main_length), 217350#(<= (+ main_offset 39524) main_length), 217349#(<= (+ main_offset 39528) main_length), 217348#(<= (+ main_offset 39532) main_length), 217355#(<= (+ main_offset 39504) main_length), 217354#(<= (+ main_offset 39508) main_length), 217353#(<= (+ main_offset 39512) main_length), 217352#(<= (+ main_offset 39516) main_length), 217359#(<= (+ main_offset 39488) main_length), 217358#(<= (+ main_offset 39492) main_length), 217357#(<= (+ main_offset 39496) main_length), 217356#(<= (+ main_offset 39500) main_length), 217363#(<= (+ main_offset 39472) main_length), 217362#(<= (+ main_offset 39476) main_length), 217361#(<= (+ main_offset 39480) main_length), 217360#(<= (+ main_offset 39484) main_length), 217367#(<= (+ main_offset 39456) main_length), 217366#(<= (+ main_offset 39460) main_length), 217365#(<= (+ main_offset 39464) main_length), 217364#(<= (+ main_offset 39468) main_length), 217371#(<= (+ main_offset 39440) main_length), 217370#(<= (+ main_offset 39444) main_length), 217369#(<= (+ main_offset 39448) main_length), 217368#(<= (+ main_offset 39452) main_length), 217375#(<= (+ main_offset 39424) main_length), 217374#(<= (+ main_offset 39428) main_length), 217373#(<= (+ main_offset 39432) main_length), 217372#(<= (+ main_offset 39436) main_length), 217379#(<= (+ main_offset 39408) main_length), 217378#(<= (+ main_offset 39412) main_length), 217377#(<= (+ main_offset 39416) main_length), 217376#(<= (+ main_offset 39420) main_length), 217383#(<= (+ main_offset 39392) main_length), 217382#(<= (+ main_offset 39396) main_length), 217381#(<= (+ main_offset 39400) main_length), 217380#(<= (+ main_offset 39404) main_length), 217387#(<= (+ main_offset 39376) main_length), 217386#(<= (+ main_offset 39380) main_length), 217385#(<= (+ main_offset 39384) main_length), 217384#(<= (+ main_offset 39388) main_length), 217391#(<= (+ main_offset 39360) main_length), 217390#(<= (+ main_offset 39364) main_length), 217389#(<= (+ main_offset 39368) main_length), 217388#(<= (+ main_offset 39372) main_length), 217395#(<= (+ main_offset 39344) main_length), 217394#(<= (+ main_offset 39348) main_length), 217393#(<= (+ main_offset 39352) main_length), 217392#(<= (+ main_offset 39356) main_length), 217399#(<= (+ main_offset 39328) main_length), 217398#(<= (+ main_offset 39332) main_length), 217397#(<= (+ main_offset 39336) main_length), 217396#(<= (+ main_offset 39340) main_length), 217403#(<= (+ main_offset 39312) main_length), 217402#(<= (+ main_offset 39316) main_length), 217401#(<= (+ main_offset 39320) main_length), 217400#(<= (+ main_offset 39324) main_length), 217407#(<= (+ main_offset 39296) main_length), 217406#(<= (+ main_offset 39300) main_length), 217405#(<= (+ main_offset 39304) main_length), 217404#(<= (+ main_offset 39308) main_length), 217411#(<= (+ main_offset 39280) main_length), 217410#(<= (+ main_offset 39284) main_length), 217409#(<= (+ main_offset 39288) main_length), 217408#(<= (+ main_offset 39292) main_length), 217415#(<= (+ main_offset 39264) main_length), 217414#(<= (+ main_offset 39268) main_length), 217413#(<= (+ main_offset 39272) main_length), 217412#(<= (+ main_offset 39276) main_length), 217419#(<= (+ main_offset 39248) main_length), 217418#(<= (+ main_offset 39252) main_length), 217417#(<= (+ main_offset 39256) main_length), 217416#(<= (+ main_offset 39260) main_length), 217423#(<= (+ main_offset 39232) main_length), 217422#(<= (+ main_offset 39236) main_length), 217421#(<= (+ main_offset 39240) main_length), 217420#(<= (+ main_offset 39244) main_length), 217427#(<= (+ main_offset 39216) main_length), 217426#(<= (+ main_offset 39220) main_length), 217425#(<= (+ main_offset 39224) main_length), 217424#(<= (+ main_offset 39228) main_length), 217431#(<= (+ main_offset 39200) main_length), 217430#(<= (+ main_offset 39204) main_length), 217429#(<= (+ main_offset 39208) main_length), 217428#(<= (+ main_offset 39212) main_length), 217435#(<= (+ main_offset 39184) main_length), 217434#(<= (+ main_offset 39188) main_length), 217433#(<= (+ main_offset 39192) main_length), 217432#(<= (+ main_offset 39196) main_length), 217439#(<= (+ main_offset 39168) main_length), 217438#(<= (+ main_offset 39172) main_length), 217437#(<= (+ main_offset 39176) main_length), 217436#(<= (+ main_offset 39180) main_length), 217443#(<= (+ main_offset 39152) main_length), 217442#(<= (+ main_offset 39156) main_length), 217441#(<= (+ main_offset 39160) main_length), 217440#(<= (+ main_offset 39164) main_length), 217447#(<= (+ main_offset 39136) main_length), 217446#(<= (+ main_offset 39140) main_length), 217445#(<= (+ main_offset 39144) main_length), 217444#(<= (+ main_offset 39148) main_length), 217448#(<= (+ main_offset 39132) main_length)] [2018-07-23 13:58:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 47306 backedges. 0 proven. 47306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:39,184 INFO L450 AbstractCegarLoop]: Interpolant automaton has 220 states [2018-07-23 13:58:39,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2018-07-23 13:58:39,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:58:39,187 INFO L87 Difference]: Start difference. First operand 438 states and 438 transitions. Second operand 220 states. [2018-07-23 13:58:40,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:40,616 INFO L93 Difference]: Finished difference Result 441 states and 441 transitions. [2018-07-23 13:58:40,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2018-07-23 13:58:40,616 INFO L78 Accepts]: Start accepts. Automaton has 220 states. Word has length 437 [2018-07-23 13:58:40,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:40,616 INFO L225 Difference]: With dead ends: 441 [2018-07-23 13:58:40,617 INFO L226 Difference]: Without dead ends: 440 [2018-07-23 13:58:40,618 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:58:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2018-07-23 13:58:40,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2018-07-23 13:58:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2018-07-23 13:58:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 440 transitions. [2018-07-23 13:58:40,623 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 440 transitions. Word has length 437 [2018-07-23 13:58:40,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:40,623 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 440 transitions. [2018-07-23 13:58:40,623 INFO L472 AbstractCegarLoop]: Interpolant automaton has 220 states. [2018-07-23 13:58:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 440 transitions. [2018-07-23 13:58:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-07-23 13:58:40,624 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:40,624 INFO L357 BasicCegarLoop]: trace histogram [219, 218, 1, 1] [2018-07-23 13:58:40,625 INFO L414 AbstractCegarLoop]: === Iteration 219 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:40,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1570829676, now seen corresponding path program 218 times [2018-07-23 13:58:40,625 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 47742 backedges. 0 proven. 47742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:42,657 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:42,657 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [219] total 219 [2018-07-23 13:58:42,658 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:42,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:42,658 INFO L185 omatonBuilderFactory]: Interpolants [219211#true, 219215#(<= (+ main_offset 39992) main_length), 219214#(<= (+ main_offset 39996) main_length), 219213#(<= (+ main_offset 40000) main_length), 219212#false, 219219#(<= (+ main_offset 39976) main_length), 219218#(<= (+ main_offset 39980) main_length), 219217#(<= (+ main_offset 39984) main_length), 219216#(<= (+ main_offset 39988) main_length), 219223#(<= (+ main_offset 39960) main_length), 219222#(<= (+ main_offset 39964) main_length), 219221#(<= (+ main_offset 39968) main_length), 219220#(<= (+ main_offset 39972) main_length), 219227#(<= (+ main_offset 39944) main_length), 219226#(<= (+ main_offset 39948) main_length), 219225#(<= (+ main_offset 39952) main_length), 219224#(<= (+ main_offset 39956) main_length), 219231#(<= (+ main_offset 39928) main_length), 219230#(<= (+ main_offset 39932) main_length), 219229#(<= (+ main_offset 39936) main_length), 219228#(<= (+ main_offset 39940) main_length), 219235#(<= (+ main_offset 39912) main_length), 219234#(<= (+ main_offset 39916) main_length), 219233#(<= (+ main_offset 39920) main_length), 219232#(<= (+ main_offset 39924) main_length), 219239#(<= (+ main_offset 39896) main_length), 219238#(<= (+ main_offset 39900) main_length), 219237#(<= (+ main_offset 39904) main_length), 219236#(<= (+ main_offset 39908) main_length), 219243#(<= (+ main_offset 39880) main_length), 219242#(<= (+ main_offset 39884) main_length), 219241#(<= (+ main_offset 39888) main_length), 219240#(<= (+ main_offset 39892) main_length), 219247#(<= (+ main_offset 39864) main_length), 219246#(<= (+ main_offset 39868) main_length), 219245#(<= (+ main_offset 39872) main_length), 219244#(<= (+ main_offset 39876) main_length), 219251#(<= (+ main_offset 39848) main_length), 219250#(<= (+ main_offset 39852) main_length), 219249#(<= (+ main_offset 39856) main_length), 219248#(<= (+ main_offset 39860) main_length), 219255#(<= (+ main_offset 39832) main_length), 219254#(<= (+ main_offset 39836) main_length), 219253#(<= (+ main_offset 39840) main_length), 219252#(<= (+ main_offset 39844) main_length), 219259#(<= (+ main_offset 39816) main_length), 219258#(<= (+ main_offset 39820) main_length), 219257#(<= (+ main_offset 39824) main_length), 219256#(<= (+ main_offset 39828) main_length), 219263#(<= (+ main_offset 39800) main_length), 219262#(<= (+ main_offset 39804) main_length), 219261#(<= (+ main_offset 39808) main_length), 219260#(<= (+ main_offset 39812) main_length), 219267#(<= (+ main_offset 39784) main_length), 219266#(<= (+ main_offset 39788) main_length), 219265#(<= (+ main_offset 39792) main_length), 219264#(<= (+ main_offset 39796) main_length), 219271#(<= (+ main_offset 39768) main_length), 219270#(<= (+ main_offset 39772) main_length), 219269#(<= (+ main_offset 39776) main_length), 219268#(<= (+ main_offset 39780) main_length), 219275#(<= (+ main_offset 39752) main_length), 219274#(<= (+ main_offset 39756) main_length), 219273#(<= (+ main_offset 39760) main_length), 219272#(<= (+ main_offset 39764) main_length), 219279#(<= (+ main_offset 39736) main_length), 219278#(<= (+ main_offset 39740) main_length), 219277#(<= (+ main_offset 39744) main_length), 219276#(<= (+ main_offset 39748) main_length), 219283#(<= (+ main_offset 39720) main_length), 219282#(<= (+ main_offset 39724) main_length), 219281#(<= (+ main_offset 39728) main_length), 219280#(<= (+ main_offset 39732) main_length), 219287#(<= (+ main_offset 39704) main_length), 219286#(<= (+ main_offset 39708) main_length), 219285#(<= (+ main_offset 39712) main_length), 219284#(<= (+ main_offset 39716) main_length), 219291#(<= (+ main_offset 39688) main_length), 219290#(<= (+ main_offset 39692) main_length), 219289#(<= (+ main_offset 39696) main_length), 219288#(<= (+ main_offset 39700) main_length), 219295#(<= (+ main_offset 39672) main_length), 219294#(<= (+ main_offset 39676) main_length), 219293#(<= (+ main_offset 39680) main_length), 219292#(<= (+ main_offset 39684) main_length), 219299#(<= (+ main_offset 39656) main_length), 219298#(<= (+ main_offset 39660) main_length), 219297#(<= (+ main_offset 39664) main_length), 219296#(<= (+ main_offset 39668) main_length), 219303#(<= (+ main_offset 39640) main_length), 219302#(<= (+ main_offset 39644) main_length), 219301#(<= (+ main_offset 39648) main_length), 219300#(<= (+ main_offset 39652) main_length), 219307#(<= (+ main_offset 39624) main_length), 219306#(<= (+ main_offset 39628) main_length), 219305#(<= (+ main_offset 39632) main_length), 219304#(<= (+ main_offset 39636) main_length), 219311#(<= (+ main_offset 39608) main_length), 219310#(<= (+ main_offset 39612) main_length), 219309#(<= (+ main_offset 39616) main_length), 219308#(<= (+ main_offset 39620) main_length), 219315#(<= (+ main_offset 39592) main_length), 219314#(<= (+ main_offset 39596) main_length), 219313#(<= (+ main_offset 39600) main_length), 219312#(<= (+ main_offset 39604) main_length), 219319#(<= (+ main_offset 39576) main_length), 219318#(<= (+ main_offset 39580) main_length), 219317#(<= (+ main_offset 39584) main_length), 219316#(<= (+ main_offset 39588) main_length), 219323#(<= (+ main_offset 39560) main_length), 219322#(<= (+ main_offset 39564) main_length), 219321#(<= (+ main_offset 39568) main_length), 219320#(<= (+ main_offset 39572) main_length), 219327#(<= (+ main_offset 39544) main_length), 219326#(<= (+ main_offset 39548) main_length), 219325#(<= (+ main_offset 39552) main_length), 219324#(<= (+ main_offset 39556) main_length), 219331#(<= (+ main_offset 39528) main_length), 219330#(<= (+ main_offset 39532) main_length), 219329#(<= (+ main_offset 39536) main_length), 219328#(<= (+ main_offset 39540) main_length), 219335#(<= (+ main_offset 39512) main_length), 219334#(<= (+ main_offset 39516) main_length), 219333#(<= (+ main_offset 39520) main_length), 219332#(<= (+ main_offset 39524) main_length), 219339#(<= (+ main_offset 39496) main_length), 219338#(<= (+ main_offset 39500) main_length), 219337#(<= (+ main_offset 39504) main_length), 219336#(<= (+ main_offset 39508) main_length), 219343#(<= (+ main_offset 39480) main_length), 219342#(<= (+ main_offset 39484) main_length), 219341#(<= (+ main_offset 39488) main_length), 219340#(<= (+ main_offset 39492) main_length), 219347#(<= (+ main_offset 39464) main_length), 219346#(<= (+ main_offset 39468) main_length), 219345#(<= (+ main_offset 39472) main_length), 219344#(<= (+ main_offset 39476) main_length), 219351#(<= (+ main_offset 39448) main_length), 219350#(<= (+ main_offset 39452) main_length), 219349#(<= (+ main_offset 39456) main_length), 219348#(<= (+ main_offset 39460) main_length), 219355#(<= (+ main_offset 39432) main_length), 219354#(<= (+ main_offset 39436) main_length), 219353#(<= (+ main_offset 39440) main_length), 219352#(<= (+ main_offset 39444) main_length), 219359#(<= (+ main_offset 39416) main_length), 219358#(<= (+ main_offset 39420) main_length), 219357#(<= (+ main_offset 39424) main_length), 219356#(<= (+ main_offset 39428) main_length), 219363#(<= (+ main_offset 39400) main_length), 219362#(<= (+ main_offset 39404) main_length), 219361#(<= (+ main_offset 39408) main_length), 219360#(<= (+ main_offset 39412) main_length), 219367#(<= (+ main_offset 39384) main_length), 219366#(<= (+ main_offset 39388) main_length), 219365#(<= (+ main_offset 39392) main_length), 219364#(<= (+ main_offset 39396) main_length), 219371#(<= (+ main_offset 39368) main_length), 219370#(<= (+ main_offset 39372) main_length), 219369#(<= (+ main_offset 39376) main_length), 219368#(<= (+ main_offset 39380) main_length), 219375#(<= (+ main_offset 39352) main_length), 219374#(<= (+ main_offset 39356) main_length), 219373#(<= (+ main_offset 39360) main_length), 219372#(<= (+ main_offset 39364) main_length), 219379#(<= (+ main_offset 39336) main_length), 219378#(<= (+ main_offset 39340) main_length), 219377#(<= (+ main_offset 39344) main_length), 219376#(<= (+ main_offset 39348) main_length), 219383#(<= (+ main_offset 39320) main_length), 219382#(<= (+ main_offset 39324) main_length), 219381#(<= (+ main_offset 39328) main_length), 219380#(<= (+ main_offset 39332) main_length), 219387#(<= (+ main_offset 39304) main_length), 219386#(<= (+ main_offset 39308) main_length), 219385#(<= (+ main_offset 39312) main_length), 219384#(<= (+ main_offset 39316) main_length), 219391#(<= (+ main_offset 39288) main_length), 219390#(<= (+ main_offset 39292) main_length), 219389#(<= (+ main_offset 39296) main_length), 219388#(<= (+ main_offset 39300) main_length), 219395#(<= (+ main_offset 39272) main_length), 219394#(<= (+ main_offset 39276) main_length), 219393#(<= (+ main_offset 39280) main_length), 219392#(<= (+ main_offset 39284) main_length), 219399#(<= (+ main_offset 39256) main_length), 219398#(<= (+ main_offset 39260) main_length), 219397#(<= (+ main_offset 39264) main_length), 219396#(<= (+ main_offset 39268) main_length), 219403#(<= (+ main_offset 39240) main_length), 219402#(<= (+ main_offset 39244) main_length), 219401#(<= (+ main_offset 39248) main_length), 219400#(<= (+ main_offset 39252) main_length), 219407#(<= (+ main_offset 39224) main_length), 219406#(<= (+ main_offset 39228) main_length), 219405#(<= (+ main_offset 39232) main_length), 219404#(<= (+ main_offset 39236) main_length), 219411#(<= (+ main_offset 39208) main_length), 219410#(<= (+ main_offset 39212) main_length), 219409#(<= (+ main_offset 39216) main_length), 219408#(<= (+ main_offset 39220) main_length), 219415#(<= (+ main_offset 39192) main_length), 219414#(<= (+ main_offset 39196) main_length), 219413#(<= (+ main_offset 39200) main_length), 219412#(<= (+ main_offset 39204) main_length), 219419#(<= (+ main_offset 39176) main_length), 219418#(<= (+ main_offset 39180) main_length), 219417#(<= (+ main_offset 39184) main_length), 219416#(<= (+ main_offset 39188) main_length), 219423#(<= (+ main_offset 39160) main_length), 219422#(<= (+ main_offset 39164) main_length), 219421#(<= (+ main_offset 39168) main_length), 219420#(<= (+ main_offset 39172) main_length), 219427#(<= (+ main_offset 39144) main_length), 219426#(<= (+ main_offset 39148) main_length), 219425#(<= (+ main_offset 39152) main_length), 219424#(<= (+ main_offset 39156) main_length), 219431#(<= (+ main_offset 39128) main_length), 219430#(<= (+ main_offset 39132) main_length), 219429#(<= (+ main_offset 39136) main_length), 219428#(<= (+ main_offset 39140) main_length)] [2018-07-23 13:58:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 47742 backedges. 0 proven. 47742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:42,660 INFO L450 AbstractCegarLoop]: Interpolant automaton has 221 states [2018-07-23 13:58:42,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2018-07-23 13:58:42,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:58:42,665 INFO L87 Difference]: Start difference. First operand 440 states and 440 transitions. Second operand 221 states. [2018-07-23 13:58:45,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:45,054 INFO L93 Difference]: Finished difference Result 443 states and 443 transitions. [2018-07-23 13:58:45,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2018-07-23 13:58:45,054 INFO L78 Accepts]: Start accepts. Automaton has 221 states. Word has length 439 [2018-07-23 13:58:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:45,055 INFO L225 Difference]: With dead ends: 443 [2018-07-23 13:58:45,055 INFO L226 Difference]: Without dead ends: 442 [2018-07-23 13:58:45,057 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:58:45,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2018-07-23 13:58:45,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2018-07-23 13:58:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-07-23 13:58:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 442 transitions. [2018-07-23 13:58:45,062 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 442 transitions. Word has length 439 [2018-07-23 13:58:45,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:45,063 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 442 transitions. [2018-07-23 13:58:45,063 INFO L472 AbstractCegarLoop]: Interpolant automaton has 221 states. [2018-07-23 13:58:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 442 transitions. [2018-07-23 13:58:45,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-07-23 13:58:45,064 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:45,064 INFO L357 BasicCegarLoop]: trace histogram [220, 219, 1, 1] [2018-07-23 13:58:45,064 INFO L414 AbstractCegarLoop]: === Iteration 220 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:45,064 INFO L82 PathProgramCache]: Analyzing trace with hash -2033796650, now seen corresponding path program 219 times [2018-07-23 13:58:45,064 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-07-23 13:58:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:45,383 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:262) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:204) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:210) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:410) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:425) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-23 13:58:45,387 INFO L168 Benchmark]: Toolchain (without parser) took 263712.84 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 287.7 MB. Max. memory is 7.1 GB. [2018-07-23 13:58:45,388 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:58:45,389 INFO L168 Benchmark]: Boogie Preprocessor took 56.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:58:45,389 INFO L168 Benchmark]: RCFGBuilder took 185.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:58:45,389 INFO L168 Benchmark]: TraceAbstraction took 263465.88 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 277.2 MB. Max. memory is 7.1 GB. [2018-07-23 13:58:45,392 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 185.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 263465.88 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 277.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/MonadicInvariant01.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-58-45-401.csv Completed graceful shutdown