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/DivisibilityInterpolantRequired01-BackwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:50:39,342 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:50:39,344 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:50:39,364 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:50:39,364 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:50:39,366 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:50:39,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:50:39,371 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:50:39,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:50:39,374 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:50:39,375 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:50:39,375 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:50:39,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:50:39,377 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:50:39,378 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:50:39,379 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:50:39,380 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:50:39,382 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:50:39,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:50:39,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:50:39,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:50:39,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:50:39,390 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:50:39,390 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:50:39,390 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:50:39,391 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:50:39,392 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:50:39,393 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:50:39,394 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:50:39,395 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:50:39,395 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:50:39,396 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:50:39,399 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 13:50:39,412 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:50:39,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:50:39,414 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:50:39,414 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:50:39,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:50:39,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:50:39,415 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:50:39,415 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:50:39,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:50:39,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:50:39,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:50:39,476 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:50:39,477 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:50:39,477 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-07-23 13:50:39,478 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-07-23 13:50:39,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:50:39,525 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:50:39,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:50:39,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:50:39,526 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:50:39,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:39" (1/1) ... [2018-07-23 13:50:39,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:39" (1/1) ... [2018-07-23 13:50:39,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:39" (1/1) ... [2018-07-23 13:50:39,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:39" (1/1) ... [2018-07-23 13:50:39,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:39" (1/1) ... [2018-07-23 13:50:39,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:39" (1/1) ... [2018-07-23 13:50:39,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:39" (1/1) ... [2018-07-23 13:50:39,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:50:39,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:50:39,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:50:39,576 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:50:39,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:39" (1/1) ... [2018-07-23 13:50:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-07-23 13:50:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-07-23 13:50:39,787 INFO L258 CfgBuilder]: Using library mode [2018-07-23 13:50:39,788 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:50:39 BoogieIcfgContainer [2018-07-23 13:50:39,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:50:39,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:50:39,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:50:39,795 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:50:39,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:39" (1/2) ... [2018-07-23 13:50:39,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c3e41d and model type DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:50:39, skipping insertion in model container [2018-07-23 13:50:39,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:50:39" (2/2) ... [2018-07-23 13:50:39,803 INFO L112 eAbstractionObserver]: Analyzing ICFG DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-07-23 13:50:39,813 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:50:39,821 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:50:39,871 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:50:39,872 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:50:39,873 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:50:39,873 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:50:39,873 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:50:39,873 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:50:39,874 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:50:39,874 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:50:39,874 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:50:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-23 13:50:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-23 13:50:39,899 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:39,900 INFO L357 BasicCegarLoop]: trace histogram [1, 1] [2018-07-23 13:50:39,901 INFO L414 AbstractCegarLoop]: === Iteration 1 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:39,906 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-07-23 13:50:39,911 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:39,996 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 13:50:39,998 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:50:39,999 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-23 13:50:40,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,001 INFO L185 omatonBuilderFactory]: Interpolants [7#true, 8#false, 9#(and (<= proc_a 0) (<= 0 proc_a))] [2018-07-23 13:50:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,002 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:50:40,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:50:40,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:50:40,016 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-23 13:50:40,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,049 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-07-23 13:50:40,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:50:40,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-23 13:50:40,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,061 INFO L225 Difference]: With dead ends: 7 [2018-07-23 13:50:40,061 INFO L226 Difference]: Without dead ends: 4 [2018-07-23 13:50:40,064 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 13:50:40,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-07-23 13:50:40,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-07-23 13:50:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-07-23 13:50:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-07-23 13:50:40,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-07-23 13:50:40,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,101 INFO L471 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-07-23 13:50:40,101 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:50:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-07-23 13:50:40,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:50:40,102 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,102 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:50:40,103 INFO L414 AbstractCegarLoop]: === Iteration 2 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,103 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, now seen corresponding path program 1 times [2018-07-23 13:50:40,103 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,137 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:40,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2018-07-23 13:50:40,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,138 INFO L185 omatonBuilderFactory]: Interpolants [32#true, 33#false, 34#(and (<= proc_a 0) (<= 0 proc_a)), 35#(and (<= 2 proc_a) (<= proc_a 2))] [2018-07-23 13:50:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,140 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:50:40,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:50:40,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:50:40,141 INFO L87 Difference]: Start difference. First operand 4 states and 4 transitions. Second operand 4 states. [2018-07-23 13:50:40,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,155 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2018-07-23 13:50:40,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:50:40,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-07-23 13:50:40,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,157 INFO L225 Difference]: With dead ends: 6 [2018-07-23 13:50:40,157 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 13:50:40,159 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:50:40,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 13:50:40,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 13:50:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 13:50:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 13:50:40,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 13:50:40,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,165 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 13:50:40,165 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:50:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 13:50:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:50:40,166 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,166 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1] [2018-07-23 13:50:40,167 INFO L414 AbstractCegarLoop]: === Iteration 3 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,168 INFO L82 PathProgramCache]: Analyzing trace with hash 927495, now seen corresponding path program 2 times [2018-07-23 13:50:40,168 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,209 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:40,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:50:40,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,210 INFO L185 omatonBuilderFactory]: Interpolants [58#true, 59#false, 60#(and (<= proc_a 0) (<= 0 proc_a)), 61#(and (<= 2 proc_a) (<= proc_a 2)), 62#(and (<= 4 proc_a) (<= proc_a 4))] [2018-07-23 13:50:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,211 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:50:40,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:50:40,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:50:40,212 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 5 states. [2018-07-23 13:50:40,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,229 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-07-23 13:50:40,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:50:40,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-23 13:50:40,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,230 INFO L225 Difference]: With dead ends: 7 [2018-07-23 13:50:40,230 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 13:50:40,231 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:50:40,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 13:50:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-23 13:50:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-23 13:50:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-23 13:50:40,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2018-07-23 13:50:40,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,234 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-23 13:50:40,234 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:50:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-23 13:50:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 13:50:40,235 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,235 INFO L357 BasicCegarLoop]: trace histogram [3, 1, 1] [2018-07-23 13:50:40,235 INFO L414 AbstractCegarLoop]: === Iteration 4 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,236 INFO L82 PathProgramCache]: Analyzing trace with hash 28752289, now seen corresponding path program 3 times [2018-07-23 13:50:40,236 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:40,292 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 13:50:40,292 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:40,292 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:50:40,293 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,295 INFO L185 omatonBuilderFactory]: Interpolants [89#true, 90#false, 91#(and (<= proc_a 0) (<= 0 proc_a)), 92#(and (<= 2 proc_a) (<= proc_a 2)), 93#(and (<= 4 proc_a) (<= proc_a 4)), 94#(and (<= 6 proc_a) (<= proc_a 6))] [2018-07-23 13:50:40,296 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 13:50:40,296 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:50:40,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:50:40,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:50:40,297 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 6 states. [2018-07-23 13:50:40,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,340 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 13:50:40,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:50:40,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-23 13:50:40,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,341 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:50:40,342 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:50:40,346 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:50:40,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:50:40,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:50:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:50:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:50:40,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-07-23 13:50:40,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,353 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:50:40,353 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:50:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:50:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:50:40,354 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,354 INFO L357 BasicCegarLoop]: trace histogram [4, 1, 1] [2018-07-23 13:50:40,354 INFO L414 AbstractCegarLoop]: === Iteration 5 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,354 INFO L82 PathProgramCache]: Analyzing trace with hash 891320903, now seen corresponding path program 4 times [2018-07-23 13:50:40,355 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,433 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:40,433 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:50:40,433 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,435 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 13:50:40,436 INFO L185 omatonBuilderFactory]: Interpolants [128#(and (<= 2 proc_a) (<= proc_a 2)), 129#(and (<= 4 proc_a) (<= proc_a 4)), 130#(and (<= 6 proc_a) (<= proc_a 6)), 131#(and (<= proc_a 8) (<= 8 proc_a)), 125#true, 126#false, 127#(and (<= proc_a 0) (<= 0 proc_a))] [2018-07-23 13:50:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,438 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:50:40,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:50:40,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:50:40,439 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 7 states. [2018-07-23 13:50:40,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,465 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:50:40,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:50:40,466 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-23 13:50:40,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,467 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:50:40,467 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:50:40,467 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:50:40,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:50:40,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-23 13:50:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-23 13:50:40,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-07-23 13:50:40,470 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2018-07-23 13:50:40,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,471 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-07-23 13:50:40,471 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:50:40,471 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-07-23 13:50:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-23 13:50:40,472 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,472 INFO L357 BasicCegarLoop]: trace histogram [5, 1, 1] [2018-07-23 13:50:40,472 INFO L414 AbstractCegarLoop]: === Iteration 6 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1861144161, now seen corresponding path program 5 times [2018-07-23 13:50:40,472 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,567 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:40,567 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:50:40,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,568 INFO L185 omatonBuilderFactory]: Interpolants [166#true, 167#false, 168#(and (<= proc_a 0) (<= 0 proc_a)), 169#(and (<= 2 proc_a) (<= proc_a 2)), 170#(and (<= 4 proc_a) (<= proc_a 4)), 171#(and (<= 6 proc_a) (<= proc_a 6)), 172#(and (<= proc_a 8) (<= 8 proc_a)), 173#(and (<= 10 proc_a) (<= proc_a 10))] [2018-07-23 13:50:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,571 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:50:40,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:50:40,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:50:40,572 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 8 states. [2018-07-23 13:50:40,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,603 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2018-07-23 13:50:40,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:50:40,603 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2018-07-23 13:50:40,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,604 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:50:40,604 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:50:40,605 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:50:40,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:50:40,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:50:40,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:50:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:50:40,608 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-07-23 13:50:40,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,608 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:50:40,608 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:50:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:50:40,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:50:40,609 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,609 INFO L357 BasicCegarLoop]: trace histogram [6, 1, 1] [2018-07-23 13:50:40,610 INFO L414 AbstractCegarLoop]: === Iteration 7 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1860894087, now seen corresponding path program 6 times [2018-07-23 13:50:40,610 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,664 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:40,664 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:50:40,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,668 INFO L185 omatonBuilderFactory]: Interpolants [212#true, 213#false, 214#(and (<= proc_a 0) (<= 0 proc_a)), 215#(and (<= 2 proc_a) (<= proc_a 2)), 216#(and (<= 4 proc_a) (<= proc_a 4)), 217#(and (<= 6 proc_a) (<= proc_a 6)), 218#(and (<= proc_a 8) (<= 8 proc_a)), 219#(and (<= 10 proc_a) (<= proc_a 10)), 220#(and (<= proc_a 12) (<= 12 proc_a))] [2018-07-23 13:50:40,668 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,669 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:50:40,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:50:40,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:50:40,671 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 9 states. [2018-07-23 13:50:40,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,724 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:50:40,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:50:40,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 8 [2018-07-23 13:50:40,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,725 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:50:40,725 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:50:40,726 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:50:40,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:50:40,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-07-23 13:50:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-07-23 13:50:40,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-07-23 13:50:40,730 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-07-23 13:50:40,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,730 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2018-07-23 13:50:40,731 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:50:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-07-23 13:50:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-23 13:50:40,731 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,732 INFO L357 BasicCegarLoop]: trace histogram [7, 1, 1] [2018-07-23 13:50:40,732 INFO L414 AbstractCegarLoop]: === Iteration 8 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1853141793, now seen corresponding path program 7 times [2018-07-23 13:50:40,732 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,799 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:40,800 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:50:40,800 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,805 INFO L185 omatonBuilderFactory]: Interpolants [272#(and (<= 14 proc_a) (<= proc_a 14)), 263#true, 264#false, 265#(and (<= proc_a 0) (<= 0 proc_a)), 266#(and (<= 2 proc_a) (<= proc_a 2)), 267#(and (<= 4 proc_a) (<= proc_a 4)), 268#(and (<= 6 proc_a) (<= proc_a 6)), 269#(and (<= proc_a 8) (<= 8 proc_a)), 270#(and (<= 10 proc_a) (<= proc_a 10)), 271#(and (<= proc_a 12) (<= 12 proc_a))] [2018-07-23 13:50:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,805 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:50:40,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:50:40,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:50:40,806 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 10 states. [2018-07-23 13:50:40,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,836 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-07-23 13:50:40,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:50:40,837 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2018-07-23 13:50:40,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,838 INFO L225 Difference]: With dead ends: 12 [2018-07-23 13:50:40,838 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:50:40,838 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:50:40,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:50:40,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:50:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:50:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:50:40,843 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-07-23 13:50:40,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,843 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:50:40,843 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:50:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:50:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:50:40,845 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,845 INFO L357 BasicCegarLoop]: trace histogram [8, 1, 1] [2018-07-23 13:50:40,845 INFO L414 AbstractCegarLoop]: === Iteration 9 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1612820679, now seen corresponding path program 8 times [2018-07-23 13:50:40,846 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,905 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:40,905 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:50:40,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,906 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 13:50:40,906 INFO L185 omatonBuilderFactory]: Interpolants [320#false, 321#(and (<= proc_a 0) (<= 0 proc_a)), 322#(and (<= 2 proc_a) (<= proc_a 2)), 323#(and (<= 4 proc_a) (<= proc_a 4)), 324#(and (<= 6 proc_a) (<= proc_a 6)), 325#(and (<= proc_a 8) (<= 8 proc_a)), 326#(and (<= 10 proc_a) (<= proc_a 10)), 327#(and (<= proc_a 12) (<= 12 proc_a)), 328#(and (<= 14 proc_a) (<= proc_a 14)), 329#(and (<= proc_a 16) (<= 16 proc_a)), 319#true] [2018-07-23 13:50:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,907 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:50:40,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:50:40,908 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:50:40,908 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 11 states. [2018-07-23 13:50:40,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,943 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:50:40,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:50:40,944 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2018-07-23 13:50:40,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,945 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:50:40,945 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 13:50:40,945 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:50:40,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 13:50:40,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 13:50:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 13:50:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-23 13:50:40,953 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-23 13:50:40,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,954 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-23 13:50:40,954 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:50:40,954 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-23 13:50:40,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 13:50:40,955 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,955 INFO L357 BasicCegarLoop]: trace histogram [9, 1, 1] [2018-07-23 13:50:40,956 INFO L414 AbstractCegarLoop]: === Iteration 10 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1542166559, now seen corresponding path program 9 times [2018-07-23 13:50:40,956 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,037 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:41,037 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:50:41,038 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:41,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,038 INFO L185 omatonBuilderFactory]: Interpolants [384#(and (<= 4 proc_a) (<= proc_a 4)), 385#(and (<= 6 proc_a) (<= proc_a 6)), 386#(and (<= proc_a 8) (<= 8 proc_a)), 387#(and (<= 10 proc_a) (<= proc_a 10)), 388#(and (<= proc_a 12) (<= 12 proc_a)), 389#(and (<= 14 proc_a) (<= proc_a 14)), 390#(and (<= proc_a 16) (<= 16 proc_a)), 391#(and (<= 18 proc_a) (<= proc_a 18)), 380#true, 381#false, 382#(and (<= proc_a 0) (<= 0 proc_a)), 383#(and (<= 2 proc_a) (<= proc_a 2))] [2018-07-23 13:50:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,039 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:50:41,039 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:50:41,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:50:41,040 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 12 states. [2018-07-23 13:50:41,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:41,082 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 13:50:41,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:50:41,082 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 11 [2018-07-23 13:50:41,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:41,083 INFO L225 Difference]: With dead ends: 14 [2018-07-23 13:50:41,083 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:50:41,084 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:50:41,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:50:41,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:50:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:50:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:50:41,090 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-07-23 13:50:41,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:41,091 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:50:41,091 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:50:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:50:41,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:50:41,094 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:41,094 INFO L357 BasicCegarLoop]: trace histogram [10, 1, 1] [2018-07-23 13:50:41,094 INFO L414 AbstractCegarLoop]: === Iteration 11 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:41,094 INFO L82 PathProgramCache]: Analyzing trace with hash -562523129, now seen corresponding path program 10 times [2018-07-23 13:50:41,094 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,163 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:41,166 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:50:41,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,167 INFO L185 omatonBuilderFactory]: Interpolants [448#(and (<= proc_a 0) (<= 0 proc_a)), 449#(and (<= 2 proc_a) (<= proc_a 2)), 450#(and (<= 4 proc_a) (<= proc_a 4)), 451#(and (<= 6 proc_a) (<= proc_a 6)), 452#(and (<= proc_a 8) (<= 8 proc_a)), 453#(and (<= 10 proc_a) (<= proc_a 10)), 454#(and (<= proc_a 12) (<= 12 proc_a)), 455#(and (<= 14 proc_a) (<= proc_a 14)), 456#(and (<= proc_a 16) (<= 16 proc_a)), 457#(and (<= 18 proc_a) (<= proc_a 18)), 458#(and (<= 20 proc_a) (<= proc_a 20)), 446#true, 447#false] [2018-07-23 13:50:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,168 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:50:41,168 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:50:41,168 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:50:41,169 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 13 states. [2018-07-23 13:50:41,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:41,214 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:50:41,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:50:41,215 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 12 [2018-07-23 13:50:41,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:41,215 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:50:41,215 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 13:50:41,216 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:50:41,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 13:50:41,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 13:50:41,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 13:50:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-23 13:50:41,225 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-07-23 13:50:41,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:41,226 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-23 13:50:41,226 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:50:41,226 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-23 13:50:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 13:50:41,227 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:41,230 INFO L357 BasicCegarLoop]: trace histogram [11, 1, 1] [2018-07-23 13:50:41,231 INFO L414 AbstractCegarLoop]: === Iteration 12 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:41,231 INFO L82 PathProgramCache]: Analyzing trace with hash -258347871, now seen corresponding path program 11 times [2018-07-23 13:50:41,231 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,290 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:41,290 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:50:41,291 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,291 INFO L185 omatonBuilderFactory]: Interpolants [517#true, 518#false, 519#(and (<= proc_a 0) (<= 0 proc_a)), 520#(and (<= 2 proc_a) (<= proc_a 2)), 521#(and (<= 4 proc_a) (<= proc_a 4)), 522#(and (<= 6 proc_a) (<= proc_a 6)), 523#(and (<= proc_a 8) (<= 8 proc_a)), 524#(and (<= 10 proc_a) (<= proc_a 10)), 525#(and (<= proc_a 12) (<= 12 proc_a)), 526#(and (<= 14 proc_a) (<= proc_a 14)), 527#(and (<= proc_a 16) (<= 16 proc_a)), 528#(and (<= 18 proc_a) (<= proc_a 18)), 529#(and (<= 20 proc_a) (<= proc_a 20)), 530#(and (<= 22 proc_a) (<= proc_a 22))] [2018-07-23 13:50:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,292 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:50:41,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:50:41,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:50:41,295 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 14 states. [2018-07-23 13:50:41,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:41,337 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-07-23 13:50:41,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:50:41,337 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2018-07-23 13:50:41,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:41,338 INFO L225 Difference]: With dead ends: 16 [2018-07-23 13:50:41,338 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:50:41,339 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:50:41,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:50:41,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:50:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:50:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:50:41,343 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2018-07-23 13:50:41,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:41,344 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:50:41,344 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:50:41,344 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:50:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:50:41,348 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:41,349 INFO L357 BasicCegarLoop]: trace histogram [12, 1, 1] [2018-07-23 13:50:41,349 INFO L414 AbstractCegarLoop]: === Iteration 13 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:41,349 INFO L82 PathProgramCache]: Analyzing trace with hash 581150535, now seen corresponding path program 12 times [2018-07-23 13:50:41,349 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,422 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:41,422 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:50:41,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,423 INFO L185 omatonBuilderFactory]: Interpolants [593#true, 594#false, 595#(and (<= proc_a 0) (<= 0 proc_a)), 596#(and (<= 2 proc_a) (<= proc_a 2)), 597#(and (<= 4 proc_a) (<= proc_a 4)), 598#(and (<= 6 proc_a) (<= proc_a 6)), 599#(and (<= proc_a 8) (<= 8 proc_a)), 600#(and (<= 10 proc_a) (<= proc_a 10)), 601#(and (<= proc_a 12) (<= 12 proc_a)), 602#(and (<= 14 proc_a) (<= proc_a 14)), 603#(and (<= proc_a 16) (<= 16 proc_a)), 604#(and (<= 18 proc_a) (<= proc_a 18)), 605#(and (<= 20 proc_a) (<= proc_a 20)), 606#(and (<= 22 proc_a) (<= proc_a 22)), 607#(and (<= 24 proc_a) (<= proc_a 24))] [2018-07-23 13:50:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,424 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:50:41,424 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:50:41,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:50:41,425 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 15 states. [2018-07-23 13:50:41,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:41,473 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:50:41,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:50:41,474 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2018-07-23 13:50:41,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:41,475 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:50:41,475 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 13:50:41,476 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:50:41,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 13:50:41,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-23 13:50:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-23 13:50:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-23 13:50:41,486 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-07-23 13:50:41,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:41,486 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-23 13:50:41,486 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:50:41,487 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-23 13:50:41,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-23 13:50:41,488 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:41,488 INFO L357 BasicCegarLoop]: trace histogram [13, 1, 1] [2018-07-23 13:50:41,488 INFO L414 AbstractCegarLoop]: === Iteration 14 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:41,488 INFO L82 PathProgramCache]: Analyzing trace with hash 835797345, now seen corresponding path program 13 times [2018-07-23 13:50:41,488 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,589 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:41,590 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:50:41,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:41,590 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 13:50:41,592 INFO L185 omatonBuilderFactory]: Interpolants [674#true, 675#false, 676#(and (<= proc_a 0) (<= 0 proc_a)), 677#(and (<= 2 proc_a) (<= proc_a 2)), 678#(and (<= 4 proc_a) (<= proc_a 4)), 679#(and (<= 6 proc_a) (<= proc_a 6)), 680#(and (<= proc_a 8) (<= 8 proc_a)), 681#(and (<= 10 proc_a) (<= proc_a 10)), 682#(and (<= proc_a 12) (<= 12 proc_a)), 683#(and (<= 14 proc_a) (<= proc_a 14)), 684#(and (<= proc_a 16) (<= 16 proc_a)), 685#(and (<= 18 proc_a) (<= proc_a 18)), 686#(and (<= 20 proc_a) (<= proc_a 20)), 687#(and (<= 22 proc_a) (<= proc_a 22)), 688#(and (<= 24 proc_a) (<= proc_a 24)), 689#(and (<= 26 proc_a) (<= proc_a 26))] [2018-07-23 13:50:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,593 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:50:41,593 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:50:41,595 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:50:41,595 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 16 states. [2018-07-23 13:50:41,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:41,648 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-23 13:50:41,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:50:41,648 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 15 [2018-07-23 13:50:41,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:41,649 INFO L225 Difference]: With dead ends: 18 [2018-07-23 13:50:41,649 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:50:41,650 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:50:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:50:41,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:50:41,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:50:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:50:41,654 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2018-07-23 13:50:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:41,654 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:50:41,654 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:50:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:50:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:50:41,655 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:41,655 INFO L357 BasicCegarLoop]: trace histogram [14, 1, 1] [2018-07-23 13:50:41,656 INFO L414 AbstractCegarLoop]: === Iteration 15 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:41,656 INFO L82 PathProgramCache]: Analyzing trace with hash 139913863, now seen corresponding path program 14 times [2018-07-23 13:50:41,656 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,729 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:41,729 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:50:41,729 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,730 INFO L185 omatonBuilderFactory]: Interpolants [768#(and (<= proc_a 12) (<= 12 proc_a)), 769#(and (<= 14 proc_a) (<= proc_a 14)), 770#(and (<= proc_a 16) (<= 16 proc_a)), 771#(and (<= 18 proc_a) (<= proc_a 18)), 772#(and (<= 20 proc_a) (<= proc_a 20)), 773#(and (<= 22 proc_a) (<= proc_a 22)), 774#(and (<= 24 proc_a) (<= proc_a 24)), 775#(and (<= 26 proc_a) (<= proc_a 26)), 776#(and (<= proc_a 28) (<= 28 proc_a)), 760#true, 761#false, 762#(and (<= proc_a 0) (<= 0 proc_a)), 763#(and (<= 2 proc_a) (<= proc_a 2)), 764#(and (<= 4 proc_a) (<= proc_a 4)), 765#(and (<= 6 proc_a) (<= proc_a 6)), 766#(and (<= proc_a 8) (<= 8 proc_a)), 767#(and (<= 10 proc_a) (<= proc_a 10))] [2018-07-23 13:50:41,731 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,731 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:50:41,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:50:41,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:50:41,734 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 17 states. [2018-07-23 13:50:41,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:41,788 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:50:41,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:50:41,788 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2018-07-23 13:50:41,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:41,789 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:50:41,789 INFO L226 Difference]: Without dead ends: 18 [2018-07-23 13:50:41,790 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:50:41,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-23 13:50:41,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-23 13:50:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-23 13:50:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-07-23 13:50:41,797 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2018-07-23 13:50:41,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:41,798 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-07-23 13:50:41,798 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:50:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-07-23 13:50:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-23 13:50:41,799 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:41,799 INFO L357 BasicCegarLoop]: trace histogram [15, 1, 1] [2018-07-23 13:50:41,799 INFO L414 AbstractCegarLoop]: === Iteration 16 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:41,800 INFO L82 PathProgramCache]: Analyzing trace with hash 42362401, now seen corresponding path program 15 times [2018-07-23 13:50:41,800 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,907 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:41,907 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:50:41,907 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,911 INFO L185 omatonBuilderFactory]: Interpolants [864#(and (<= 22 proc_a) (<= proc_a 22)), 865#(and (<= 24 proc_a) (<= proc_a 24)), 866#(and (<= 26 proc_a) (<= proc_a 26)), 867#(and (<= proc_a 28) (<= 28 proc_a)), 868#(and (<= proc_a 30) (<= 30 proc_a)), 851#true, 852#false, 853#(and (<= proc_a 0) (<= 0 proc_a)), 854#(and (<= 2 proc_a) (<= proc_a 2)), 855#(and (<= 4 proc_a) (<= proc_a 4)), 856#(and (<= 6 proc_a) (<= proc_a 6)), 857#(and (<= proc_a 8) (<= 8 proc_a)), 858#(and (<= 10 proc_a) (<= proc_a 10)), 859#(and (<= proc_a 12) (<= 12 proc_a)), 860#(and (<= 14 proc_a) (<= proc_a 14)), 861#(and (<= proc_a 16) (<= 16 proc_a)), 862#(and (<= 18 proc_a) (<= proc_a 18)), 863#(and (<= 20 proc_a) (<= proc_a 20))] [2018-07-23 13:50:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,912 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:50:41,912 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:50:41,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:50:41,914 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 18 states. [2018-07-23 13:50:41,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:41,973 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-07-23 13:50:41,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:50:41,974 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 17 [2018-07-23 13:50:41,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:41,975 INFO L225 Difference]: With dead ends: 20 [2018-07-23 13:50:41,975 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:50:41,975 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:50:41,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:50:41,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:50:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:50:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:50:41,988 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2018-07-23 13:50:41,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:41,988 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:50:41,988 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:50:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:50:41,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:50:41,991 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:41,991 INFO L357 BasicCegarLoop]: trace histogram [16, 1, 1] [2018-07-23 13:50:41,992 INFO L414 AbstractCegarLoop]: === Iteration 17 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:41,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1313234375, now seen corresponding path program 16 times [2018-07-23 13:50:41,992 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,081 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:42,081 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:50:42,081 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,082 INFO L185 omatonBuilderFactory]: Interpolants [960#(and (<= 22 proc_a) (<= proc_a 22)), 961#(and (<= 24 proc_a) (<= proc_a 24)), 962#(and (<= 26 proc_a) (<= proc_a 26)), 963#(and (<= proc_a 28) (<= 28 proc_a)), 964#(and (<= proc_a 30) (<= 30 proc_a)), 965#(and (<= 32 proc_a) (<= proc_a 32)), 947#true, 948#false, 949#(and (<= proc_a 0) (<= 0 proc_a)), 950#(and (<= 2 proc_a) (<= proc_a 2)), 951#(and (<= 4 proc_a) (<= proc_a 4)), 952#(and (<= 6 proc_a) (<= proc_a 6)), 953#(and (<= proc_a 8) (<= 8 proc_a)), 954#(and (<= 10 proc_a) (<= proc_a 10)), 955#(and (<= proc_a 12) (<= 12 proc_a)), 956#(and (<= 14 proc_a) (<= proc_a 14)), 957#(and (<= proc_a 16) (<= 16 proc_a)), 958#(and (<= 18 proc_a) (<= proc_a 18)), 959#(and (<= 20 proc_a) (<= proc_a 20))] [2018-07-23 13:50:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,086 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:50:42,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:50:42,087 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:50:42,087 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 19 states. [2018-07-23 13:50:42,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:42,159 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:50:42,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:50:42,159 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 18 [2018-07-23 13:50:42,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:42,160 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:50:42,160 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 13:50:42,161 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:50:42,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 13:50:42,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-07-23 13:50:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-07-23 13:50:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-07-23 13:50:42,167 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2018-07-23 13:50:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:42,169 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-07-23 13:50:42,170 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:50:42,170 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-07-23 13:50:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-07-23 13:50:42,171 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:42,171 INFO L357 BasicCegarLoop]: trace histogram [17, 1, 1] [2018-07-23 13:50:42,171 INFO L414 AbstractCegarLoop]: === Iteration 18 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:42,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2055559905, now seen corresponding path program 17 times [2018-07-23 13:50:42,171 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,286 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:42,286 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:50:42,287 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:42,287 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 13:50:42,287 INFO L185 omatonBuilderFactory]: Interpolants [1056#(and (<= proc_a 12) (<= 12 proc_a)), 1057#(and (<= 14 proc_a) (<= proc_a 14)), 1058#(and (<= proc_a 16) (<= 16 proc_a)), 1059#(and (<= 18 proc_a) (<= proc_a 18)), 1060#(and (<= 20 proc_a) (<= proc_a 20)), 1061#(and (<= 22 proc_a) (<= proc_a 22)), 1062#(and (<= 24 proc_a) (<= proc_a 24)), 1063#(and (<= 26 proc_a) (<= proc_a 26)), 1064#(and (<= proc_a 28) (<= 28 proc_a)), 1065#(and (<= proc_a 30) (<= 30 proc_a)), 1066#(and (<= 32 proc_a) (<= proc_a 32)), 1067#(and (<= 34 proc_a) (<= proc_a 34)), 1048#true, 1049#false, 1050#(and (<= proc_a 0) (<= 0 proc_a)), 1051#(and (<= 2 proc_a) (<= proc_a 2)), 1052#(and (<= 4 proc_a) (<= proc_a 4)), 1053#(and (<= 6 proc_a) (<= proc_a 6)), 1054#(and (<= proc_a 8) (<= 8 proc_a)), 1055#(and (<= 10 proc_a) (<= proc_a 10))] [2018-07-23 13:50:42,288 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,288 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:50:42,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:50:42,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:50:42,289 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 20 states. [2018-07-23 13:50:42,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:42,365 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-07-23 13:50:42,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:50:42,365 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 19 [2018-07-23 13:50:42,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:42,366 INFO L225 Difference]: With dead ends: 22 [2018-07-23 13:50:42,366 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:50:42,366 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:50:42,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:50:42,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:50:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:50:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:50:42,372 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2018-07-23 13:50:42,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:42,373 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:50:42,373 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:50:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:50:42,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:50:42,374 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:42,374 INFO L357 BasicCegarLoop]: trace histogram [18, 1, 1] [2018-07-23 13:50:42,374 INFO L414 AbstractCegarLoop]: === Iteration 19 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:42,374 INFO L82 PathProgramCache]: Analyzing trace with hash -702152441, now seen corresponding path program 18 times [2018-07-23 13:50:42,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,476 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:42,476 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:50:42,476 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,477 INFO L185 omatonBuilderFactory]: Interpolants [1154#true, 1155#false, 1156#(and (<= proc_a 0) (<= 0 proc_a)), 1157#(and (<= 2 proc_a) (<= proc_a 2)), 1158#(and (<= 4 proc_a) (<= proc_a 4)), 1159#(and (<= 6 proc_a) (<= proc_a 6)), 1160#(and (<= proc_a 8) (<= 8 proc_a)), 1161#(and (<= 10 proc_a) (<= proc_a 10)), 1162#(and (<= proc_a 12) (<= 12 proc_a)), 1163#(and (<= 14 proc_a) (<= proc_a 14)), 1164#(and (<= proc_a 16) (<= 16 proc_a)), 1165#(and (<= 18 proc_a) (<= proc_a 18)), 1166#(and (<= 20 proc_a) (<= proc_a 20)), 1167#(and (<= 22 proc_a) (<= proc_a 22)), 1168#(and (<= 24 proc_a) (<= proc_a 24)), 1169#(and (<= 26 proc_a) (<= proc_a 26)), 1170#(and (<= proc_a 28) (<= 28 proc_a)), 1171#(and (<= proc_a 30) (<= 30 proc_a)), 1172#(and (<= 32 proc_a) (<= proc_a 32)), 1173#(and (<= 34 proc_a) (<= proc_a 34)), 1174#(and (<= 36 proc_a) (<= proc_a 36))] [2018-07-23 13:50:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,478 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:50:42,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:50:42,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:50:42,479 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 21 states. [2018-07-23 13:50:42,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:42,557 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:50:42,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:50:42,558 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 20 [2018-07-23 13:50:42,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:42,558 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:50:42,559 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 13:50:42,560 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:50:42,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 13:50:42,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-07-23 13:50:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-07-23 13:50:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-07-23 13:50:42,566 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2018-07-23 13:50:42,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:42,566 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-07-23 13:50:42,566 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:50:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-07-23 13:50:42,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-23 13:50:42,567 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:42,570 INFO L357 BasicCegarLoop]: trace histogram [19, 1, 1] [2018-07-23 13:50:42,570 INFO L414 AbstractCegarLoop]: === Iteration 20 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:42,570 INFO L82 PathProgramCache]: Analyzing trace with hash -291889247, now seen corresponding path program 19 times [2018-07-23 13:50:42,571 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,681 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:42,681 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:50:42,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,683 INFO L185 omatonBuilderFactory]: Interpolants [1280#(and (<= 26 proc_a) (<= proc_a 26)), 1281#(and (<= proc_a 28) (<= 28 proc_a)), 1282#(and (<= proc_a 30) (<= 30 proc_a)), 1283#(and (<= 32 proc_a) (<= proc_a 32)), 1284#(and (<= 34 proc_a) (<= proc_a 34)), 1285#(and (<= 36 proc_a) (<= proc_a 36)), 1286#(and (<= 38 proc_a) (<= proc_a 38)), 1265#true, 1266#false, 1267#(and (<= proc_a 0) (<= 0 proc_a)), 1268#(and (<= 2 proc_a) (<= proc_a 2)), 1269#(and (<= 4 proc_a) (<= proc_a 4)), 1270#(and (<= 6 proc_a) (<= proc_a 6)), 1271#(and (<= proc_a 8) (<= 8 proc_a)), 1272#(and (<= 10 proc_a) (<= proc_a 10)), 1273#(and (<= proc_a 12) (<= 12 proc_a)), 1274#(and (<= 14 proc_a) (<= proc_a 14)), 1275#(and (<= proc_a 16) (<= 16 proc_a)), 1276#(and (<= 18 proc_a) (<= proc_a 18)), 1277#(and (<= 20 proc_a) (<= proc_a 20)), 1278#(and (<= 22 proc_a) (<= proc_a 22)), 1279#(and (<= 24 proc_a) (<= proc_a 24))] [2018-07-23 13:50:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,683 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:50:42,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:50:42,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:50:42,689 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 22 states. [2018-07-23 13:50:42,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:42,771 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-07-23 13:50:42,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:50:42,772 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 21 [2018-07-23 13:50:42,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:42,773 INFO L225 Difference]: With dead ends: 24 [2018-07-23 13:50:42,773 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:50:42,773 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:50:42,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:50:42,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:50:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:50:42,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:50:42,778 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2018-07-23 13:50:42,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:42,778 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:50:42,779 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:50:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:50:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:50:42,779 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:42,780 INFO L357 BasicCegarLoop]: trace histogram [20, 1, 1] [2018-07-23 13:50:42,780 INFO L414 AbstractCegarLoop]: === Iteration 21 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:42,780 INFO L82 PathProgramCache]: Analyzing trace with hash -458632121, now seen corresponding path program 20 times [2018-07-23 13:50:42,780 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:42,885 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 13:50:42,885 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:42,886 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:50:42,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:42,886 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 13:50:42,887 INFO L185 omatonBuilderFactory]: Interpolants [1381#true, 1382#false, 1383#(and (<= proc_a 0) (<= 0 proc_a)), 1384#(and (<= 2 proc_a) (<= proc_a 2)), 1385#(and (<= 4 proc_a) (<= proc_a 4)), 1386#(and (<= 6 proc_a) (<= proc_a 6)), 1387#(and (<= proc_a 8) (<= 8 proc_a)), 1388#(and (<= 10 proc_a) (<= proc_a 10)), 1389#(and (<= proc_a 12) (<= 12 proc_a)), 1390#(and (<= 14 proc_a) (<= proc_a 14)), 1391#(and (<= proc_a 16) (<= 16 proc_a)), 1392#(and (<= 18 proc_a) (<= proc_a 18)), 1393#(and (<= 20 proc_a) (<= proc_a 20)), 1394#(and (<= 22 proc_a) (<= proc_a 22)), 1395#(and (<= 24 proc_a) (<= proc_a 24)), 1396#(and (<= 26 proc_a) (<= proc_a 26)), 1397#(and (<= proc_a 28) (<= 28 proc_a)), 1398#(and (<= proc_a 30) (<= 30 proc_a)), 1399#(and (<= 32 proc_a) (<= proc_a 32)), 1400#(and (<= 34 proc_a) (<= proc_a 34)), 1401#(and (<= 36 proc_a) (<= proc_a 36)), 1402#(and (<= 38 proc_a) (<= proc_a 38)), 1403#(and (<= 40 proc_a) (<= proc_a 40))] [2018-07-23 13:50:42,887 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 13:50:42,890 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:50:42,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:50:42,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:50:42,892 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 23 states. [2018-07-23 13:50:42,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:42,980 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:50:42,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:50:42,980 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 22 [2018-07-23 13:50:42,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:42,981 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:50:42,981 INFO L226 Difference]: Without dead ends: 24 [2018-07-23 13:50:42,982 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:50:42,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-07-23 13:50:42,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-07-23 13:50:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-07-23 13:50:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-07-23 13:50:42,989 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2018-07-23 13:50:42,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:42,990 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-07-23 13:50:42,990 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:50:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-07-23 13:50:42,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-23 13:50:42,991 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:42,991 INFO L357 BasicCegarLoop]: trace histogram [21, 1, 1] [2018-07-23 13:50:42,992 INFO L414 AbstractCegarLoop]: === Iteration 22 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:42,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1332693919, now seen corresponding path program 21 times [2018-07-23 13:50:42,992 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:43,116 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,116 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:43,116 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:50:43,117 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,117 INFO L185 omatonBuilderFactory]: Interpolants [1504#(and (<= proc_a 0) (<= 0 proc_a)), 1505#(and (<= 2 proc_a) (<= proc_a 2)), 1506#(and (<= 4 proc_a) (<= proc_a 4)), 1507#(and (<= 6 proc_a) (<= proc_a 6)), 1508#(and (<= proc_a 8) (<= 8 proc_a)), 1509#(and (<= 10 proc_a) (<= proc_a 10)), 1510#(and (<= proc_a 12) (<= 12 proc_a)), 1511#(and (<= 14 proc_a) (<= proc_a 14)), 1512#(and (<= proc_a 16) (<= 16 proc_a)), 1513#(and (<= 18 proc_a) (<= proc_a 18)), 1514#(and (<= 20 proc_a) (<= proc_a 20)), 1515#(and (<= 22 proc_a) (<= proc_a 22)), 1516#(and (<= 24 proc_a) (<= proc_a 24)), 1517#(and (<= 26 proc_a) (<= proc_a 26)), 1518#(and (<= proc_a 28) (<= 28 proc_a)), 1519#(and (<= proc_a 30) (<= 30 proc_a)), 1520#(and (<= 32 proc_a) (<= proc_a 32)), 1521#(and (<= 34 proc_a) (<= proc_a 34)), 1522#(and (<= 36 proc_a) (<= proc_a 36)), 1523#(and (<= 38 proc_a) (<= proc_a 38)), 1524#(and (<= 40 proc_a) (<= proc_a 40)), 1525#(and (<= proc_a 42) (<= 42 proc_a)), 1502#true, 1503#false] [2018-07-23 13:50:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,118 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:50:43,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:50:43,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:50:43,121 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 24 states. [2018-07-23 13:50:43,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:43,210 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-07-23 13:50:43,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:50:43,211 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 23 [2018-07-23 13:50:43,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:43,211 INFO L225 Difference]: With dead ends: 26 [2018-07-23 13:50:43,211 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:50:43,212 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:50:43,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:50:43,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:50:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:50:43,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:50:43,218 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-07-23 13:50:43,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:43,219 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:50:43,219 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:50:43,219 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:50:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:50:43,222 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:43,222 INFO L357 BasicCegarLoop]: trace histogram [22, 1, 1] [2018-07-23 13:50:43,222 INFO L414 AbstractCegarLoop]: === Iteration 23 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:43,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1636161415, now seen corresponding path program 22 times [2018-07-23 13:50:43,223 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,339 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:43,339 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:50:43,339 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,340 INFO L185 omatonBuilderFactory]: Interpolants [1628#true, 1629#false, 1630#(and (<= proc_a 0) (<= 0 proc_a)), 1631#(and (<= 2 proc_a) (<= proc_a 2)), 1632#(and (<= 4 proc_a) (<= proc_a 4)), 1633#(and (<= 6 proc_a) (<= proc_a 6)), 1634#(and (<= proc_a 8) (<= 8 proc_a)), 1635#(and (<= 10 proc_a) (<= proc_a 10)), 1636#(and (<= proc_a 12) (<= 12 proc_a)), 1637#(and (<= 14 proc_a) (<= proc_a 14)), 1638#(and (<= proc_a 16) (<= 16 proc_a)), 1639#(and (<= 18 proc_a) (<= proc_a 18)), 1640#(and (<= 20 proc_a) (<= proc_a 20)), 1641#(and (<= 22 proc_a) (<= proc_a 22)), 1642#(and (<= 24 proc_a) (<= proc_a 24)), 1643#(and (<= 26 proc_a) (<= proc_a 26)), 1644#(and (<= proc_a 28) (<= 28 proc_a)), 1645#(and (<= proc_a 30) (<= 30 proc_a)), 1646#(and (<= 32 proc_a) (<= proc_a 32)), 1647#(and (<= 34 proc_a) (<= proc_a 34)), 1648#(and (<= 36 proc_a) (<= proc_a 36)), 1649#(and (<= 38 proc_a) (<= proc_a 38)), 1650#(and (<= 40 proc_a) (<= proc_a 40)), 1651#(and (<= proc_a 42) (<= 42 proc_a)), 1652#(and (<= proc_a 44) (<= 44 proc_a))] [2018-07-23 13:50:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,341 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:50:43,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:50:43,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:50:43,342 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 25 states. [2018-07-23 13:50:43,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:43,440 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:50:43,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:50:43,440 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 24 [2018-07-23 13:50:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:43,441 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:50:43,441 INFO L226 Difference]: Without dead ends: 26 [2018-07-23 13:50:43,442 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:50:43,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-07-23 13:50:43,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-07-23 13:50:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-07-23 13:50:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-07-23 13:50:43,451 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2018-07-23 13:50:43,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:43,452 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-07-23 13:50:43,452 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:50:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-07-23 13:50:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-07-23 13:50:43,452 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:43,453 INFO L357 BasicCegarLoop]: trace histogram [23, 1, 1] [2018-07-23 13:50:43,453 INFO L414 AbstractCegarLoop]: === Iteration 24 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:43,453 INFO L82 PathProgramCache]: Analyzing trace with hash -818603743, now seen corresponding path program 23 times [2018-07-23 13:50:43,453 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,575 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:43,576 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:50:43,576 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,577 INFO L185 omatonBuilderFactory]: Interpolants [1759#true, 1760#false, 1761#(and (<= proc_a 0) (<= 0 proc_a)), 1762#(and (<= 2 proc_a) (<= proc_a 2)), 1763#(and (<= 4 proc_a) (<= proc_a 4)), 1764#(and (<= 6 proc_a) (<= proc_a 6)), 1765#(and (<= proc_a 8) (<= 8 proc_a)), 1766#(and (<= 10 proc_a) (<= proc_a 10)), 1767#(and (<= proc_a 12) (<= 12 proc_a)), 1768#(and (<= 14 proc_a) (<= proc_a 14)), 1769#(and (<= proc_a 16) (<= 16 proc_a)), 1770#(and (<= 18 proc_a) (<= proc_a 18)), 1771#(and (<= 20 proc_a) (<= proc_a 20)), 1772#(and (<= 22 proc_a) (<= proc_a 22)), 1773#(and (<= 24 proc_a) (<= proc_a 24)), 1774#(and (<= 26 proc_a) (<= proc_a 26)), 1775#(and (<= proc_a 28) (<= 28 proc_a)), 1776#(and (<= proc_a 30) (<= 30 proc_a)), 1777#(and (<= 32 proc_a) (<= proc_a 32)), 1778#(and (<= 34 proc_a) (<= proc_a 34)), 1779#(and (<= 36 proc_a) (<= proc_a 36)), 1780#(and (<= 38 proc_a) (<= proc_a 38)), 1781#(and (<= 40 proc_a) (<= proc_a 40)), 1782#(and (<= proc_a 42) (<= 42 proc_a)), 1783#(and (<= proc_a 44) (<= 44 proc_a)), 1784#(and (<= proc_a 46) (<= 46 proc_a))] [2018-07-23 13:50:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,577 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:50:43,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:50:43,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:50:43,580 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 26 states. [2018-07-23 13:50:43,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:43,689 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-07-23 13:50:43,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:50:43,690 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 25 [2018-07-23 13:50:43,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:43,690 INFO L225 Difference]: With dead ends: 28 [2018-07-23 13:50:43,690 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:50:43,691 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:50:43,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:50:43,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:50:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:50:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:50:43,698 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2018-07-23 13:50:43,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:43,698 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:50:43,698 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:50:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:50:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:50:43,699 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:43,699 INFO L357 BasicCegarLoop]: trace histogram [24, 1, 1] [2018-07-23 13:50:43,699 INFO L414 AbstractCegarLoop]: === Iteration 25 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:43,700 INFO L82 PathProgramCache]: Analyzing trace with hash 393087687, now seen corresponding path program 24 times [2018-07-23 13:50:43,700 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,922 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:43,922 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:50:43,922 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,923 INFO L185 omatonBuilderFactory]: Interpolants [1920#(and (<= proc_a 46) (<= 46 proc_a)), 1921#(and (<= 48 proc_a) (<= proc_a 48)), 1895#true, 1896#false, 1897#(and (<= proc_a 0) (<= 0 proc_a)), 1898#(and (<= 2 proc_a) (<= proc_a 2)), 1899#(and (<= 4 proc_a) (<= proc_a 4)), 1900#(and (<= 6 proc_a) (<= proc_a 6)), 1901#(and (<= proc_a 8) (<= 8 proc_a)), 1902#(and (<= 10 proc_a) (<= proc_a 10)), 1903#(and (<= proc_a 12) (<= 12 proc_a)), 1904#(and (<= 14 proc_a) (<= proc_a 14)), 1905#(and (<= proc_a 16) (<= 16 proc_a)), 1906#(and (<= 18 proc_a) (<= proc_a 18)), 1907#(and (<= 20 proc_a) (<= proc_a 20)), 1908#(and (<= 22 proc_a) (<= proc_a 22)), 1909#(and (<= 24 proc_a) (<= proc_a 24)), 1910#(and (<= 26 proc_a) (<= proc_a 26)), 1911#(and (<= proc_a 28) (<= 28 proc_a)), 1912#(and (<= proc_a 30) (<= 30 proc_a)), 1913#(and (<= 32 proc_a) (<= proc_a 32)), 1914#(and (<= 34 proc_a) (<= proc_a 34)), 1915#(and (<= 36 proc_a) (<= proc_a 36)), 1916#(and (<= 38 proc_a) (<= proc_a 38)), 1917#(and (<= 40 proc_a) (<= proc_a 40)), 1918#(and (<= proc_a 42) (<= 42 proc_a)), 1919#(and (<= proc_a 44) (<= 44 proc_a))] [2018-07-23 13:50:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,924 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:50:43,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:50:43,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:50:43,925 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 27 states. [2018-07-23 13:50:44,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:44,044 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:50:44,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:50:44,045 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 26 [2018-07-23 13:50:44,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:44,045 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:50:44,047 INFO L226 Difference]: Without dead ends: 28 [2018-07-23 13:50:44,048 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:50:44,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-07-23 13:50:44,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-07-23 13:50:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-07-23 13:50:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-07-23 13:50:44,057 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2018-07-23 13:50:44,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:44,057 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-07-23 13:50:44,057 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:50:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-07-23 13:50:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-23 13:50:44,058 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:44,058 INFO L357 BasicCegarLoop]: trace histogram [25, 1, 1] [2018-07-23 13:50:44,060 INFO L414 AbstractCegarLoop]: === Iteration 26 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:44,060 INFO L82 PathProgramCache]: Analyzing trace with hash -699183647, now seen corresponding path program 25 times [2018-07-23 13:50:44,060 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:44,201 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:44,201 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:50:44,202 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:44,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:44,202 INFO L185 omatonBuilderFactory]: Interpolants [2048#(and (<= 20 proc_a) (<= proc_a 20)), 2049#(and (<= 22 proc_a) (<= proc_a 22)), 2050#(and (<= 24 proc_a) (<= proc_a 24)), 2051#(and (<= 26 proc_a) (<= proc_a 26)), 2052#(and (<= proc_a 28) (<= 28 proc_a)), 2053#(and (<= proc_a 30) (<= 30 proc_a)), 2054#(and (<= 32 proc_a) (<= proc_a 32)), 2055#(and (<= 34 proc_a) (<= proc_a 34)), 2056#(and (<= 36 proc_a) (<= proc_a 36)), 2057#(and (<= 38 proc_a) (<= proc_a 38)), 2058#(and (<= 40 proc_a) (<= proc_a 40)), 2059#(and (<= proc_a 42) (<= 42 proc_a)), 2060#(and (<= proc_a 44) (<= 44 proc_a)), 2061#(and (<= proc_a 46) (<= 46 proc_a)), 2062#(and (<= 48 proc_a) (<= proc_a 48)), 2063#(and (<= 50 proc_a) (<= proc_a 50)), 2036#true, 2037#false, 2038#(and (<= proc_a 0) (<= 0 proc_a)), 2039#(and (<= 2 proc_a) (<= proc_a 2)), 2040#(and (<= 4 proc_a) (<= proc_a 4)), 2041#(and (<= 6 proc_a) (<= proc_a 6)), 2042#(and (<= proc_a 8) (<= 8 proc_a)), 2043#(and (<= 10 proc_a) (<= proc_a 10)), 2044#(and (<= proc_a 12) (<= 12 proc_a)), 2045#(and (<= 14 proc_a) (<= proc_a 14)), 2046#(and (<= proc_a 16) (<= 16 proc_a)), 2047#(and (<= 18 proc_a) (<= proc_a 18))] [2018-07-23 13:50:44,203 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:44,203 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:50:44,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:50:44,204 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:50:44,204 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 28 states. [2018-07-23 13:50:44,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:44,325 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-07-23 13:50:44,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:50:44,325 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 27 [2018-07-23 13:50:44,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:44,325 INFO L225 Difference]: With dead ends: 30 [2018-07-23 13:50:44,326 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:50:44,326 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:50:44,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:50:44,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:50:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:50:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:50:44,333 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2018-07-23 13:50:44,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:44,334 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:50:44,334 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:50:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:50:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:50:44,337 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:44,338 INFO L357 BasicCegarLoop]: trace histogram [26, 1, 1] [2018-07-23 13:50:44,338 INFO L414 AbstractCegarLoop]: === Iteration 27 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:44,338 INFO L82 PathProgramCache]: Analyzing trace with hash -199856633, now seen corresponding path program 26 times [2018-07-23 13:50:44,338 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:44,493 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:44,493 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:50:44,493 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:44,494 INFO L185 omatonBuilderFactory]: Interpolants [2182#true, 2183#false, 2184#(and (<= proc_a 0) (<= 0 proc_a)), 2185#(and (<= 2 proc_a) (<= proc_a 2)), 2186#(and (<= 4 proc_a) (<= proc_a 4)), 2187#(and (<= 6 proc_a) (<= proc_a 6)), 2188#(and (<= proc_a 8) (<= 8 proc_a)), 2189#(and (<= 10 proc_a) (<= proc_a 10)), 2190#(and (<= proc_a 12) (<= 12 proc_a)), 2191#(and (<= 14 proc_a) (<= proc_a 14)), 2192#(and (<= proc_a 16) (<= 16 proc_a)), 2193#(and (<= 18 proc_a) (<= proc_a 18)), 2194#(and (<= 20 proc_a) (<= proc_a 20)), 2195#(and (<= 22 proc_a) (<= proc_a 22)), 2196#(and (<= 24 proc_a) (<= proc_a 24)), 2197#(and (<= 26 proc_a) (<= proc_a 26)), 2198#(and (<= proc_a 28) (<= 28 proc_a)), 2199#(and (<= proc_a 30) (<= 30 proc_a)), 2200#(and (<= 32 proc_a) (<= proc_a 32)), 2201#(and (<= 34 proc_a) (<= proc_a 34)), 2202#(and (<= 36 proc_a) (<= proc_a 36)), 2203#(and (<= 38 proc_a) (<= proc_a 38)), 2204#(and (<= 40 proc_a) (<= proc_a 40)), 2205#(and (<= proc_a 42) (<= 42 proc_a)), 2206#(and (<= proc_a 44) (<= 44 proc_a)), 2207#(and (<= proc_a 46) (<= 46 proc_a)), 2208#(and (<= 48 proc_a) (<= proc_a 48)), 2209#(and (<= 50 proc_a) (<= proc_a 50)), 2210#(and (<= 52 proc_a) (<= proc_a 52))] [2018-07-23 13:50:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:44,495 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:50:44,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:50:44,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:50:44,496 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 29 states. [2018-07-23 13:50:44,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:44,625 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:50:44,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:50:44,625 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 28 [2018-07-23 13:50:44,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:44,626 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:50:44,626 INFO L226 Difference]: Without dead ends: 30 [2018-07-23 13:50:44,627 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:50:44,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-07-23 13:50:44,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-07-23 13:50:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-07-23 13:50:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-07-23 13:50:44,631 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2018-07-23 13:50:44,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:44,632 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-07-23 13:50:44,632 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:50:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-07-23 13:50:44,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-07-23 13:50:44,634 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:44,634 INFO L357 BasicCegarLoop]: trace histogram [27, 1, 1] [2018-07-23 13:50:44,634 INFO L414 AbstractCegarLoop]: === Iteration 28 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:44,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1900588383, now seen corresponding path program 27 times [2018-07-23 13:50:44,636 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:44,803 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:44,803 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:44,804 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:50:44,804 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:44,804 INFO L185 omatonBuilderFactory]: Interpolants [2333#true, 2334#false, 2335#(and (<= proc_a 0) (<= 0 proc_a)), 2336#(and (<= 2 proc_a) (<= proc_a 2)), 2337#(and (<= 4 proc_a) (<= proc_a 4)), 2338#(and (<= 6 proc_a) (<= proc_a 6)), 2339#(and (<= proc_a 8) (<= 8 proc_a)), 2340#(and (<= 10 proc_a) (<= proc_a 10)), 2341#(and (<= proc_a 12) (<= 12 proc_a)), 2342#(and (<= 14 proc_a) (<= proc_a 14)), 2343#(and (<= proc_a 16) (<= 16 proc_a)), 2344#(and (<= 18 proc_a) (<= proc_a 18)), 2345#(and (<= 20 proc_a) (<= proc_a 20)), 2346#(and (<= 22 proc_a) (<= proc_a 22)), 2347#(and (<= 24 proc_a) (<= proc_a 24)), 2348#(and (<= 26 proc_a) (<= proc_a 26)), 2349#(and (<= proc_a 28) (<= 28 proc_a)), 2350#(and (<= proc_a 30) (<= 30 proc_a)), 2351#(and (<= 32 proc_a) (<= proc_a 32)), 2352#(and (<= 34 proc_a) (<= proc_a 34)), 2353#(and (<= 36 proc_a) (<= proc_a 36)), 2354#(and (<= 38 proc_a) (<= proc_a 38)), 2355#(and (<= 40 proc_a) (<= proc_a 40)), 2356#(and (<= proc_a 42) (<= 42 proc_a)), 2357#(and (<= proc_a 44) (<= 44 proc_a)), 2358#(and (<= proc_a 46) (<= 46 proc_a)), 2359#(and (<= 48 proc_a) (<= proc_a 48)), 2360#(and (<= 50 proc_a) (<= proc_a 50)), 2361#(and (<= 52 proc_a) (<= proc_a 52)), 2362#(and (<= 54 proc_a) (<= proc_a 54))] [2018-07-23 13:50:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:44,805 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:50:44,805 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:50:44,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:50:44,806 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 30 states. [2018-07-23 13:50:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:44,947 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-07-23 13:50:44,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:50:44,947 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 29 [2018-07-23 13:50:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:44,948 INFO L225 Difference]: With dead ends: 32 [2018-07-23 13:50:44,948 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:50:44,949 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:50:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:50:44,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:50:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:50:44,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:50:44,956 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2018-07-23 13:50:44,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:44,957 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:50:44,957 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:50:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:50:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:50:44,957 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:44,958 INFO L357 BasicCegarLoop]: trace histogram [28, 1, 1] [2018-07-23 13:50:44,958 INFO L414 AbstractCegarLoop]: === Iteration 29 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:44,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1211302215, now seen corresponding path program 28 times [2018-07-23 13:50:44,958 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,121 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:45,121 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:50:45,122 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,122 INFO L185 omatonBuilderFactory]: Interpolants [2496#(and (<= 10 proc_a) (<= proc_a 10)), 2497#(and (<= proc_a 12) (<= 12 proc_a)), 2498#(and (<= 14 proc_a) (<= proc_a 14)), 2499#(and (<= proc_a 16) (<= 16 proc_a)), 2500#(and (<= 18 proc_a) (<= proc_a 18)), 2501#(and (<= 20 proc_a) (<= proc_a 20)), 2502#(and (<= 22 proc_a) (<= proc_a 22)), 2503#(and (<= 24 proc_a) (<= proc_a 24)), 2504#(and (<= 26 proc_a) (<= proc_a 26)), 2505#(and (<= proc_a 28) (<= 28 proc_a)), 2506#(and (<= proc_a 30) (<= 30 proc_a)), 2507#(and (<= 32 proc_a) (<= proc_a 32)), 2508#(and (<= 34 proc_a) (<= proc_a 34)), 2509#(and (<= 36 proc_a) (<= proc_a 36)), 2510#(and (<= 38 proc_a) (<= proc_a 38)), 2511#(and (<= 40 proc_a) (<= proc_a 40)), 2512#(and (<= proc_a 42) (<= 42 proc_a)), 2513#(and (<= proc_a 44) (<= 44 proc_a)), 2514#(and (<= proc_a 46) (<= 46 proc_a)), 2515#(and (<= 48 proc_a) (<= proc_a 48)), 2516#(and (<= 50 proc_a) (<= proc_a 50)), 2517#(and (<= 52 proc_a) (<= proc_a 52)), 2518#(and (<= 54 proc_a) (<= proc_a 54)), 2519#(and (<= proc_a 56) (<= 56 proc_a)), 2489#true, 2490#false, 2491#(and (<= proc_a 0) (<= 0 proc_a)), 2492#(and (<= 2 proc_a) (<= proc_a 2)), 2493#(and (<= 4 proc_a) (<= proc_a 4)), 2494#(and (<= 6 proc_a) (<= proc_a 6)), 2495#(and (<= proc_a 8) (<= 8 proc_a))] [2018-07-23 13:50:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,123 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:50:45,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:50:45,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:50:45,124 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 31 states. [2018-07-23 13:50:45,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:45,269 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:50:45,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:50:45,269 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 30 [2018-07-23 13:50:45,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:45,270 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:50:45,270 INFO L226 Difference]: Without dead ends: 32 [2018-07-23 13:50:45,271 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:50:45,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-23 13:50:45,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-07-23 13:50:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-23 13:50:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-07-23 13:50:45,275 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2018-07-23 13:50:45,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:45,275 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-07-23 13:50:45,275 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:50:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-07-23 13:50:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-23 13:50:45,276 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:45,276 INFO L357 BasicCegarLoop]: trace histogram [29, 1, 1] [2018-07-23 13:50:45,276 INFO L414 AbstractCegarLoop]: === Iteration 30 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:45,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1104337055, now seen corresponding path program 29 times [2018-07-23 13:50:45,277 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,452 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:45,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:50:45,453 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,453 INFO L185 omatonBuilderFactory]: Interpolants [2650#true, 2651#false, 2652#(and (<= proc_a 0) (<= 0 proc_a)), 2653#(and (<= 2 proc_a) (<= proc_a 2)), 2654#(and (<= 4 proc_a) (<= proc_a 4)), 2655#(and (<= 6 proc_a) (<= proc_a 6)), 2656#(and (<= proc_a 8) (<= 8 proc_a)), 2657#(and (<= 10 proc_a) (<= proc_a 10)), 2658#(and (<= proc_a 12) (<= 12 proc_a)), 2659#(and (<= 14 proc_a) (<= proc_a 14)), 2660#(and (<= proc_a 16) (<= 16 proc_a)), 2661#(and (<= 18 proc_a) (<= proc_a 18)), 2662#(and (<= 20 proc_a) (<= proc_a 20)), 2663#(and (<= 22 proc_a) (<= proc_a 22)), 2664#(and (<= 24 proc_a) (<= proc_a 24)), 2665#(and (<= 26 proc_a) (<= proc_a 26)), 2666#(and (<= proc_a 28) (<= 28 proc_a)), 2667#(and (<= proc_a 30) (<= 30 proc_a)), 2668#(and (<= 32 proc_a) (<= proc_a 32)), 2669#(and (<= 34 proc_a) (<= proc_a 34)), 2670#(and (<= 36 proc_a) (<= proc_a 36)), 2671#(and (<= 38 proc_a) (<= proc_a 38)), 2672#(and (<= 40 proc_a) (<= proc_a 40)), 2673#(and (<= proc_a 42) (<= 42 proc_a)), 2674#(and (<= proc_a 44) (<= 44 proc_a)), 2675#(and (<= proc_a 46) (<= 46 proc_a)), 2676#(and (<= 48 proc_a) (<= proc_a 48)), 2677#(and (<= 50 proc_a) (<= proc_a 50)), 2678#(and (<= 52 proc_a) (<= proc_a 52)), 2679#(and (<= 54 proc_a) (<= proc_a 54)), 2680#(and (<= proc_a 56) (<= 56 proc_a)), 2681#(and (<= proc_a 58) (<= 58 proc_a))] [2018-07-23 13:50:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,454 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:50:45,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:50:45,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:50:45,455 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 32 states. [2018-07-23 13:50:45,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:45,611 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-07-23 13:50:45,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:50:45,612 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 31 [2018-07-23 13:50:45,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:45,612 INFO L225 Difference]: With dead ends: 34 [2018-07-23 13:50:45,612 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:50:45,613 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:50:45,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:50:45,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:50:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:50:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:50:45,620 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2018-07-23 13:50:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:45,620 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:50:45,620 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:50:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:50:45,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:50:45,621 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:45,621 INFO L357 BasicCegarLoop]: trace histogram [30, 1, 1] [2018-07-23 13:50:45,621 INFO L414 AbstractCegarLoop]: === Iteration 31 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:45,621 INFO L82 PathProgramCache]: Analyzing trace with hash 125289607, now seen corresponding path program 30 times [2018-07-23 13:50:45,622 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,823 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:45,824 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:50:45,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:45,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,824 INFO L185 omatonBuilderFactory]: Interpolants [2816#true, 2817#false, 2818#(and (<= proc_a 0) (<= 0 proc_a)), 2819#(and (<= 2 proc_a) (<= proc_a 2)), 2820#(and (<= 4 proc_a) (<= proc_a 4)), 2821#(and (<= 6 proc_a) (<= proc_a 6)), 2822#(and (<= proc_a 8) (<= 8 proc_a)), 2823#(and (<= 10 proc_a) (<= proc_a 10)), 2824#(and (<= proc_a 12) (<= 12 proc_a)), 2825#(and (<= 14 proc_a) (<= proc_a 14)), 2826#(and (<= proc_a 16) (<= 16 proc_a)), 2827#(and (<= 18 proc_a) (<= proc_a 18)), 2828#(and (<= 20 proc_a) (<= proc_a 20)), 2829#(and (<= 22 proc_a) (<= proc_a 22)), 2830#(and (<= 24 proc_a) (<= proc_a 24)), 2831#(and (<= 26 proc_a) (<= proc_a 26)), 2832#(and (<= proc_a 28) (<= 28 proc_a)), 2833#(and (<= proc_a 30) (<= 30 proc_a)), 2834#(and (<= 32 proc_a) (<= proc_a 32)), 2835#(and (<= 34 proc_a) (<= proc_a 34)), 2836#(and (<= 36 proc_a) (<= proc_a 36)), 2837#(and (<= 38 proc_a) (<= proc_a 38)), 2838#(and (<= 40 proc_a) (<= proc_a 40)), 2839#(and (<= proc_a 42) (<= 42 proc_a)), 2840#(and (<= proc_a 44) (<= 44 proc_a)), 2841#(and (<= proc_a 46) (<= 46 proc_a)), 2842#(and (<= 48 proc_a) (<= proc_a 48)), 2843#(and (<= 50 proc_a) (<= proc_a 50)), 2844#(and (<= 52 proc_a) (<= proc_a 52)), 2845#(and (<= 54 proc_a) (<= proc_a 54)), 2846#(and (<= proc_a 56) (<= 56 proc_a)), 2847#(and (<= proc_a 58) (<= 58 proc_a)), 2848#(and (<= 60 proc_a) (<= proc_a 60))] [2018-07-23 13:50:45,825 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,825 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:50:45,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:50:45,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:50:45,826 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 33 states. [2018-07-23 13:50:45,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:45,990 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:50:45,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:50:45,991 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 32 [2018-07-23 13:50:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:45,991 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:50:45,991 INFO L226 Difference]: Without dead ends: 34 [2018-07-23 13:50:45,992 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:50:45,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-07-23 13:50:45,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-07-23 13:50:45,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-07-23 13:50:45,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-07-23 13:50:45,999 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2018-07-23 13:50:45,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:45,999 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-07-23 13:50:45,999 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:50:45,999 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-07-23 13:50:46,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-07-23 13:50:46,000 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:46,000 INFO L357 BasicCegarLoop]: trace histogram [31, 1, 1] [2018-07-23 13:50:46,000 INFO L414 AbstractCegarLoop]: === Iteration 32 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:46,000 INFO L82 PathProgramCache]: Analyzing trace with hash -410989535, now seen corresponding path program 31 times [2018-07-23 13:50:46,001 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:46,217 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:46,217 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:50:46,217 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:46,217 INFO L185 omatonBuilderFactory]: Interpolants [3008#(and (<= 38 proc_a) (<= proc_a 38)), 3009#(and (<= 40 proc_a) (<= proc_a 40)), 3010#(and (<= proc_a 42) (<= 42 proc_a)), 3011#(and (<= proc_a 44) (<= 44 proc_a)), 3012#(and (<= proc_a 46) (<= 46 proc_a)), 3013#(and (<= 48 proc_a) (<= proc_a 48)), 3014#(and (<= 50 proc_a) (<= proc_a 50)), 3015#(and (<= 52 proc_a) (<= proc_a 52)), 3016#(and (<= 54 proc_a) (<= proc_a 54)), 3017#(and (<= proc_a 56) (<= 56 proc_a)), 3018#(and (<= proc_a 58) (<= 58 proc_a)), 3019#(and (<= 60 proc_a) (<= proc_a 60)), 3020#(and (<= 62 proc_a) (<= proc_a 62)), 2987#true, 2988#false, 2989#(and (<= proc_a 0) (<= 0 proc_a)), 2990#(and (<= 2 proc_a) (<= proc_a 2)), 2991#(and (<= 4 proc_a) (<= proc_a 4)), 2992#(and (<= 6 proc_a) (<= proc_a 6)), 2993#(and (<= proc_a 8) (<= 8 proc_a)), 2994#(and (<= 10 proc_a) (<= proc_a 10)), 2995#(and (<= proc_a 12) (<= 12 proc_a)), 2996#(and (<= 14 proc_a) (<= proc_a 14)), 2997#(and (<= proc_a 16) (<= 16 proc_a)), 2998#(and (<= 18 proc_a) (<= proc_a 18)), 2999#(and (<= 20 proc_a) (<= proc_a 20)), 3000#(and (<= 22 proc_a) (<= proc_a 22)), 3001#(and (<= 24 proc_a) (<= proc_a 24)), 3002#(and (<= 26 proc_a) (<= proc_a 26)), 3003#(and (<= proc_a 28) (<= 28 proc_a)), 3004#(and (<= proc_a 30) (<= 30 proc_a)), 3005#(and (<= 32 proc_a) (<= proc_a 32)), 3006#(and (<= 34 proc_a) (<= proc_a 34)), 3007#(and (<= 36 proc_a) (<= proc_a 36))] [2018-07-23 13:50:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:46,218 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:50:46,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:50:46,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:50:46,219 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 34 states. [2018-07-23 13:50:46,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:46,396 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-07-23 13:50:46,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:50:46,396 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 33 [2018-07-23 13:50:46,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:46,397 INFO L225 Difference]: With dead ends: 36 [2018-07-23 13:50:46,397 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:50:46,398 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:50:46,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:50:46,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:50:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:50:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:50:46,403 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2018-07-23 13:50:46,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:46,404 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:50:46,404 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:50:46,404 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:50:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:50:46,404 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:46,405 INFO L357 BasicCegarLoop]: trace histogram [32, 1, 1] [2018-07-23 13:50:46,405 INFO L414 AbstractCegarLoop]: === Iteration 33 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:46,405 INFO L82 PathProgramCache]: Analyzing trace with hash 144226247, now seen corresponding path program 32 times [2018-07-23 13:50:46,405 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:46,646 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:46,646 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:50:46,646 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:46,646 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 13:50:46,647 INFO L185 omatonBuilderFactory]: Interpolants [3163#true, 3164#false, 3165#(and (<= proc_a 0) (<= 0 proc_a)), 3166#(and (<= 2 proc_a) (<= proc_a 2)), 3167#(and (<= 4 proc_a) (<= proc_a 4)), 3168#(and (<= 6 proc_a) (<= proc_a 6)), 3169#(and (<= proc_a 8) (<= 8 proc_a)), 3170#(and (<= 10 proc_a) (<= proc_a 10)), 3171#(and (<= proc_a 12) (<= 12 proc_a)), 3172#(and (<= 14 proc_a) (<= proc_a 14)), 3173#(and (<= proc_a 16) (<= 16 proc_a)), 3174#(and (<= 18 proc_a) (<= proc_a 18)), 3175#(and (<= 20 proc_a) (<= proc_a 20)), 3176#(and (<= 22 proc_a) (<= proc_a 22)), 3177#(and (<= 24 proc_a) (<= proc_a 24)), 3178#(and (<= 26 proc_a) (<= proc_a 26)), 3179#(and (<= proc_a 28) (<= 28 proc_a)), 3180#(and (<= proc_a 30) (<= 30 proc_a)), 3181#(and (<= 32 proc_a) (<= proc_a 32)), 3182#(and (<= 34 proc_a) (<= proc_a 34)), 3183#(and (<= 36 proc_a) (<= proc_a 36)), 3184#(and (<= 38 proc_a) (<= proc_a 38)), 3185#(and (<= 40 proc_a) (<= proc_a 40)), 3186#(and (<= proc_a 42) (<= 42 proc_a)), 3187#(and (<= proc_a 44) (<= 44 proc_a)), 3188#(and (<= proc_a 46) (<= 46 proc_a)), 3189#(and (<= 48 proc_a) (<= proc_a 48)), 3190#(and (<= 50 proc_a) (<= proc_a 50)), 3191#(and (<= 52 proc_a) (<= proc_a 52)), 3192#(and (<= 54 proc_a) (<= proc_a 54)), 3193#(and (<= proc_a 56) (<= 56 proc_a)), 3194#(and (<= proc_a 58) (<= 58 proc_a)), 3195#(and (<= 60 proc_a) (<= proc_a 60)), 3196#(and (<= 62 proc_a) (<= proc_a 62)), 3197#(and (<= 64 proc_a) (<= proc_a 64))] [2018-07-23 13:50:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:46,648 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:50:46,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:50:46,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:50:46,652 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 35 states. [2018-07-23 13:50:46,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:46,859 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:50:46,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:50:46,859 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 34 [2018-07-23 13:50:46,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:46,860 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:50:46,860 INFO L226 Difference]: Without dead ends: 36 [2018-07-23 13:50:46,862 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:50:46,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-23 13:50:46,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-07-23 13:50:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-07-23 13:50:46,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-07-23 13:50:46,875 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2018-07-23 13:50:46,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:46,875 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-07-23 13:50:46,876 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:50:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-07-23 13:50:46,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-23 13:50:46,876 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:46,876 INFO L357 BasicCegarLoop]: trace histogram [33, 1, 1] [2018-07-23 13:50:46,877 INFO L414 AbstractCegarLoop]: === Iteration 34 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:46,877 INFO L82 PathProgramCache]: Analyzing trace with hash 176046305, now seen corresponding path program 33 times [2018-07-23 13:50:46,877 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:47,135 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:47,135 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:50:47,135 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:47,136 INFO L185 omatonBuilderFactory]: Interpolants [3344#true, 3345#false, 3346#(and (<= proc_a 0) (<= 0 proc_a)), 3347#(and (<= 2 proc_a) (<= proc_a 2)), 3348#(and (<= 4 proc_a) (<= proc_a 4)), 3349#(and (<= 6 proc_a) (<= proc_a 6)), 3350#(and (<= proc_a 8) (<= 8 proc_a)), 3351#(and (<= 10 proc_a) (<= proc_a 10)), 3352#(and (<= proc_a 12) (<= 12 proc_a)), 3353#(and (<= 14 proc_a) (<= proc_a 14)), 3354#(and (<= proc_a 16) (<= 16 proc_a)), 3355#(and (<= 18 proc_a) (<= proc_a 18)), 3356#(and (<= 20 proc_a) (<= proc_a 20)), 3357#(and (<= 22 proc_a) (<= proc_a 22)), 3358#(and (<= 24 proc_a) (<= proc_a 24)), 3359#(and (<= 26 proc_a) (<= proc_a 26)), 3360#(and (<= proc_a 28) (<= 28 proc_a)), 3361#(and (<= proc_a 30) (<= 30 proc_a)), 3362#(and (<= 32 proc_a) (<= proc_a 32)), 3363#(and (<= 34 proc_a) (<= proc_a 34)), 3364#(and (<= 36 proc_a) (<= proc_a 36)), 3365#(and (<= 38 proc_a) (<= proc_a 38)), 3366#(and (<= 40 proc_a) (<= proc_a 40)), 3367#(and (<= proc_a 42) (<= 42 proc_a)), 3368#(and (<= proc_a 44) (<= 44 proc_a)), 3369#(and (<= proc_a 46) (<= 46 proc_a)), 3370#(and (<= 48 proc_a) (<= proc_a 48)), 3371#(and (<= 50 proc_a) (<= proc_a 50)), 3372#(and (<= 52 proc_a) (<= proc_a 52)), 3373#(and (<= 54 proc_a) (<= proc_a 54)), 3374#(and (<= proc_a 56) (<= 56 proc_a)), 3375#(and (<= proc_a 58) (<= 58 proc_a)), 3376#(and (<= 60 proc_a) (<= proc_a 60)), 3377#(and (<= 62 proc_a) (<= proc_a 62)), 3378#(and (<= 64 proc_a) (<= proc_a 64)), 3379#(and (<= 66 proc_a) (<= proc_a 66))] [2018-07-23 13:50:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:47,136 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:50:47,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:50:47,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:50:47,138 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 36 states. [2018-07-23 13:50:47,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:47,330 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-07-23 13:50:47,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:50:47,331 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 35 [2018-07-23 13:50:47,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:47,331 INFO L225 Difference]: With dead ends: 38 [2018-07-23 13:50:47,331 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:50:47,332 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:50:47,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:50:47,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:50:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:50:47,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:50:47,336 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2018-07-23 13:50:47,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:47,337 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:50:47,337 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:50:47,337 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:50:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:50:47,337 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:47,338 INFO L357 BasicCegarLoop]: trace histogram [34, 1, 1] [2018-07-23 13:50:47,338 INFO L414 AbstractCegarLoop]: === Iteration 35 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:47,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1162468103, now seen corresponding path program 34 times [2018-07-23 13:50:47,338 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:47,557 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:47,557 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:50:47,560 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:47,560 INFO L185 omatonBuilderFactory]: Interpolants [3530#true, 3531#false, 3532#(and (<= proc_a 0) (<= 0 proc_a)), 3533#(and (<= 2 proc_a) (<= proc_a 2)), 3534#(and (<= 4 proc_a) (<= proc_a 4)), 3535#(and (<= 6 proc_a) (<= proc_a 6)), 3536#(and (<= proc_a 8) (<= 8 proc_a)), 3537#(and (<= 10 proc_a) (<= proc_a 10)), 3538#(and (<= proc_a 12) (<= 12 proc_a)), 3539#(and (<= 14 proc_a) (<= proc_a 14)), 3540#(and (<= proc_a 16) (<= 16 proc_a)), 3541#(and (<= 18 proc_a) (<= proc_a 18)), 3542#(and (<= 20 proc_a) (<= proc_a 20)), 3543#(and (<= 22 proc_a) (<= proc_a 22)), 3544#(and (<= 24 proc_a) (<= proc_a 24)), 3545#(and (<= 26 proc_a) (<= proc_a 26)), 3546#(and (<= proc_a 28) (<= 28 proc_a)), 3547#(and (<= proc_a 30) (<= 30 proc_a)), 3548#(and (<= 32 proc_a) (<= proc_a 32)), 3549#(and (<= 34 proc_a) (<= proc_a 34)), 3550#(and (<= 36 proc_a) (<= proc_a 36)), 3551#(and (<= 38 proc_a) (<= proc_a 38)), 3552#(and (<= 40 proc_a) (<= proc_a 40)), 3553#(and (<= proc_a 42) (<= 42 proc_a)), 3554#(and (<= proc_a 44) (<= 44 proc_a)), 3555#(and (<= proc_a 46) (<= 46 proc_a)), 3556#(and (<= 48 proc_a) (<= proc_a 48)), 3557#(and (<= 50 proc_a) (<= proc_a 50)), 3558#(and (<= 52 proc_a) (<= proc_a 52)), 3559#(and (<= 54 proc_a) (<= proc_a 54)), 3560#(and (<= proc_a 56) (<= 56 proc_a)), 3561#(and (<= proc_a 58) (<= 58 proc_a)), 3562#(and (<= 60 proc_a) (<= proc_a 60)), 3563#(and (<= 62 proc_a) (<= proc_a 62)), 3564#(and (<= 64 proc_a) (<= proc_a 64)), 3565#(and (<= 66 proc_a) (<= proc_a 66)), 3566#(and (<= 68 proc_a) (<= proc_a 68))] [2018-07-23 13:50:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:47,561 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:50:47,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:50:47,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:50:47,562 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 37 states. [2018-07-23 13:50:47,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:47,768 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:50:47,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:50:47,768 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 36 [2018-07-23 13:50:47,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:47,769 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:50:47,769 INFO L226 Difference]: Without dead ends: 38 [2018-07-23 13:50:47,770 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:50:47,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-23 13:50:47,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-07-23 13:50:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-07-23 13:50:47,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-07-23 13:50:47,773 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2018-07-23 13:50:47,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:47,774 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-07-23 13:50:47,774 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:50:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-07-23 13:50:47,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-07-23 13:50:47,774 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:47,775 INFO L357 BasicCegarLoop]: trace histogram [35, 1, 1] [2018-07-23 13:50:47,775 INFO L414 AbstractCegarLoop]: === Iteration 36 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:47,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1676772769, now seen corresponding path program 35 times [2018-07-23 13:50:47,775 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:48,009 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:48,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:50:48,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:48,010 INFO L185 omatonBuilderFactory]: Interpolants [3721#true, 3722#false, 3723#(and (<= proc_a 0) (<= 0 proc_a)), 3724#(and (<= 2 proc_a) (<= proc_a 2)), 3725#(and (<= 4 proc_a) (<= proc_a 4)), 3726#(and (<= 6 proc_a) (<= proc_a 6)), 3727#(and (<= proc_a 8) (<= 8 proc_a)), 3728#(and (<= 10 proc_a) (<= proc_a 10)), 3729#(and (<= proc_a 12) (<= 12 proc_a)), 3730#(and (<= 14 proc_a) (<= proc_a 14)), 3731#(and (<= proc_a 16) (<= 16 proc_a)), 3732#(and (<= 18 proc_a) (<= proc_a 18)), 3733#(and (<= 20 proc_a) (<= proc_a 20)), 3734#(and (<= 22 proc_a) (<= proc_a 22)), 3735#(and (<= 24 proc_a) (<= proc_a 24)), 3736#(and (<= 26 proc_a) (<= proc_a 26)), 3737#(and (<= proc_a 28) (<= 28 proc_a)), 3738#(and (<= proc_a 30) (<= 30 proc_a)), 3739#(and (<= 32 proc_a) (<= proc_a 32)), 3740#(and (<= 34 proc_a) (<= proc_a 34)), 3741#(and (<= 36 proc_a) (<= proc_a 36)), 3742#(and (<= 38 proc_a) (<= proc_a 38)), 3743#(and (<= 40 proc_a) (<= proc_a 40)), 3744#(and (<= proc_a 42) (<= 42 proc_a)), 3745#(and (<= proc_a 44) (<= 44 proc_a)), 3746#(and (<= proc_a 46) (<= 46 proc_a)), 3747#(and (<= 48 proc_a) (<= proc_a 48)), 3748#(and (<= 50 proc_a) (<= proc_a 50)), 3749#(and (<= 52 proc_a) (<= proc_a 52)), 3750#(and (<= 54 proc_a) (<= proc_a 54)), 3751#(and (<= proc_a 56) (<= 56 proc_a)), 3752#(and (<= proc_a 58) (<= 58 proc_a)), 3753#(and (<= 60 proc_a) (<= proc_a 60)), 3754#(and (<= 62 proc_a) (<= proc_a 62)), 3755#(and (<= 64 proc_a) (<= proc_a 64)), 3756#(and (<= 66 proc_a) (<= proc_a 66)), 3757#(and (<= 68 proc_a) (<= proc_a 68)), 3758#(and (<= proc_a 70) (<= 70 proc_a))] [2018-07-23 13:50:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:48,016 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:50:48,016 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:50:48,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:50:48,017 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 38 states. [2018-07-23 13:50:48,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:48,235 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-07-23 13:50:48,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:50:48,235 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 37 [2018-07-23 13:50:48,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:48,236 INFO L225 Difference]: With dead ends: 40 [2018-07-23 13:50:48,236 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:50:48,237 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:50:48,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:50:48,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:50:48,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:50:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:50:48,242 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2018-07-23 13:50:48,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:48,243 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:50:48,243 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:50:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:50:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:50:48,243 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:48,244 INFO L357 BasicCegarLoop]: trace histogram [36, 1, 1] [2018-07-23 13:50:48,244 INFO L414 AbstractCegarLoop]: === Iteration 37 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:48,244 INFO L82 PathProgramCache]: Analyzing trace with hash 440348231, now seen corresponding path program 36 times [2018-07-23 13:50:48,244 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:48,497 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:48,497 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:50:48,497 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:48,498 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 13:50:48,498 INFO L185 omatonBuilderFactory]: Interpolants [3917#true, 3918#false, 3919#(and (<= proc_a 0) (<= 0 proc_a)), 3920#(and (<= 2 proc_a) (<= proc_a 2)), 3921#(and (<= 4 proc_a) (<= proc_a 4)), 3922#(and (<= 6 proc_a) (<= proc_a 6)), 3923#(and (<= proc_a 8) (<= 8 proc_a)), 3924#(and (<= 10 proc_a) (<= proc_a 10)), 3925#(and (<= proc_a 12) (<= 12 proc_a)), 3926#(and (<= 14 proc_a) (<= proc_a 14)), 3927#(and (<= proc_a 16) (<= 16 proc_a)), 3928#(and (<= 18 proc_a) (<= proc_a 18)), 3929#(and (<= 20 proc_a) (<= proc_a 20)), 3930#(and (<= 22 proc_a) (<= proc_a 22)), 3931#(and (<= 24 proc_a) (<= proc_a 24)), 3932#(and (<= 26 proc_a) (<= proc_a 26)), 3933#(and (<= proc_a 28) (<= 28 proc_a)), 3934#(and (<= proc_a 30) (<= 30 proc_a)), 3935#(and (<= 32 proc_a) (<= proc_a 32)), 3936#(and (<= 34 proc_a) (<= proc_a 34)), 3937#(and (<= 36 proc_a) (<= proc_a 36)), 3938#(and (<= 38 proc_a) (<= proc_a 38)), 3939#(and (<= 40 proc_a) (<= proc_a 40)), 3940#(and (<= proc_a 42) (<= 42 proc_a)), 3941#(and (<= proc_a 44) (<= 44 proc_a)), 3942#(and (<= proc_a 46) (<= 46 proc_a)), 3943#(and (<= 48 proc_a) (<= proc_a 48)), 3944#(and (<= 50 proc_a) (<= proc_a 50)), 3945#(and (<= 52 proc_a) (<= proc_a 52)), 3946#(and (<= 54 proc_a) (<= proc_a 54)), 3947#(and (<= proc_a 56) (<= 56 proc_a)), 3948#(and (<= proc_a 58) (<= 58 proc_a)), 3949#(and (<= 60 proc_a) (<= proc_a 60)), 3950#(and (<= 62 proc_a) (<= proc_a 62)), 3951#(and (<= 64 proc_a) (<= proc_a 64)), 3952#(and (<= 66 proc_a) (<= proc_a 66)), 3953#(and (<= 68 proc_a) (<= proc_a 68)), 3954#(and (<= proc_a 70) (<= 70 proc_a)), 3955#(and (<= 72 proc_a) (<= proc_a 72))] [2018-07-23 13:50:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:48,499 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:50:48,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:50:48,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:50:48,501 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 39 states. [2018-07-23 13:50:48,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:48,742 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:50:48,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:50:48,742 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 38 [2018-07-23 13:50:48,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:48,742 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:50:48,743 INFO L226 Difference]: Without dead ends: 40 [2018-07-23 13:50:48,744 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:50:48,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-07-23 13:50:48,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-07-23 13:50:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-07-23 13:50:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-07-23 13:50:48,751 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2018-07-23 13:50:48,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:48,751 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-07-23 13:50:48,751 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:50:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-07-23 13:50:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-07-23 13:50:48,752 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:48,752 INFO L357 BasicCegarLoop]: trace histogram [37, 1, 1] [2018-07-23 13:50:48,752 INFO L414 AbstractCegarLoop]: === Iteration 38 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:48,752 INFO L82 PathProgramCache]: Analyzing trace with hash 765893217, now seen corresponding path program 37 times [2018-07-23 13:50:48,753 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,006 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:49,006 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:50:49,006 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,006 INFO L185 omatonBuilderFactory]: Interpolants [4118#true, 4119#false, 4120#(and (<= proc_a 0) (<= 0 proc_a)), 4121#(and (<= 2 proc_a) (<= proc_a 2)), 4122#(and (<= 4 proc_a) (<= proc_a 4)), 4123#(and (<= 6 proc_a) (<= proc_a 6)), 4124#(and (<= proc_a 8) (<= 8 proc_a)), 4125#(and (<= 10 proc_a) (<= proc_a 10)), 4126#(and (<= proc_a 12) (<= 12 proc_a)), 4127#(and (<= 14 proc_a) (<= proc_a 14)), 4128#(and (<= proc_a 16) (<= 16 proc_a)), 4129#(and (<= 18 proc_a) (<= proc_a 18)), 4130#(and (<= 20 proc_a) (<= proc_a 20)), 4131#(and (<= 22 proc_a) (<= proc_a 22)), 4132#(and (<= 24 proc_a) (<= proc_a 24)), 4133#(and (<= 26 proc_a) (<= proc_a 26)), 4134#(and (<= proc_a 28) (<= 28 proc_a)), 4135#(and (<= proc_a 30) (<= 30 proc_a)), 4136#(and (<= 32 proc_a) (<= proc_a 32)), 4137#(and (<= 34 proc_a) (<= proc_a 34)), 4138#(and (<= 36 proc_a) (<= proc_a 36)), 4139#(and (<= 38 proc_a) (<= proc_a 38)), 4140#(and (<= 40 proc_a) (<= proc_a 40)), 4141#(and (<= proc_a 42) (<= 42 proc_a)), 4142#(and (<= proc_a 44) (<= 44 proc_a)), 4143#(and (<= proc_a 46) (<= 46 proc_a)), 4144#(and (<= 48 proc_a) (<= proc_a 48)), 4145#(and (<= 50 proc_a) (<= proc_a 50)), 4146#(and (<= 52 proc_a) (<= proc_a 52)), 4147#(and (<= 54 proc_a) (<= proc_a 54)), 4148#(and (<= proc_a 56) (<= 56 proc_a)), 4149#(and (<= proc_a 58) (<= 58 proc_a)), 4150#(and (<= 60 proc_a) (<= proc_a 60)), 4151#(and (<= 62 proc_a) (<= proc_a 62)), 4152#(and (<= 64 proc_a) (<= proc_a 64)), 4153#(and (<= 66 proc_a) (<= proc_a 66)), 4154#(and (<= 68 proc_a) (<= proc_a 68)), 4155#(and (<= proc_a 70) (<= 70 proc_a)), 4156#(and (<= 72 proc_a) (<= proc_a 72)), 4157#(and (<= proc_a 74) (<= 74 proc_a))] [2018-07-23 13:50:49,007 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,007 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:50:49,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:50:49,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:50:49,008 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 40 states. [2018-07-23 13:50:49,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:49,226 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-07-23 13:50:49,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:50:49,226 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 39 [2018-07-23 13:50:49,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:49,226 INFO L225 Difference]: With dead ends: 42 [2018-07-23 13:50:49,226 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:50:49,228 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:50:49,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:50:49,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:50:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:50:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:50:49,231 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2018-07-23 13:50:49,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:49,232 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:50:49,232 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:50:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:50:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:50:49,232 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:49,232 INFO L357 BasicCegarLoop]: trace histogram [38, 1, 1] [2018-07-23 13:50:49,233 INFO L414 AbstractCegarLoop]: === Iteration 39 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:49,233 INFO L82 PathProgramCache]: Analyzing trace with hash -2027114105, now seen corresponding path program 38 times [2018-07-23 13:50:49,233 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,434 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:49,434 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:50:49,434 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,435 INFO L185 omatonBuilderFactory]: Interpolants [4352#(and (<= 52 proc_a) (<= proc_a 52)), 4353#(and (<= 54 proc_a) (<= proc_a 54)), 4354#(and (<= proc_a 56) (<= 56 proc_a)), 4355#(and (<= proc_a 58) (<= 58 proc_a)), 4356#(and (<= 60 proc_a) (<= proc_a 60)), 4357#(and (<= 62 proc_a) (<= proc_a 62)), 4358#(and (<= 64 proc_a) (<= proc_a 64)), 4359#(and (<= 66 proc_a) (<= proc_a 66)), 4360#(and (<= 68 proc_a) (<= proc_a 68)), 4361#(and (<= proc_a 70) (<= 70 proc_a)), 4362#(and (<= 72 proc_a) (<= proc_a 72)), 4363#(and (<= proc_a 74) (<= 74 proc_a)), 4364#(and (<= proc_a 76) (<= 76 proc_a)), 4324#true, 4325#false, 4326#(and (<= proc_a 0) (<= 0 proc_a)), 4327#(and (<= 2 proc_a) (<= proc_a 2)), 4328#(and (<= 4 proc_a) (<= proc_a 4)), 4329#(and (<= 6 proc_a) (<= proc_a 6)), 4330#(and (<= proc_a 8) (<= 8 proc_a)), 4331#(and (<= 10 proc_a) (<= proc_a 10)), 4332#(and (<= proc_a 12) (<= 12 proc_a)), 4333#(and (<= 14 proc_a) (<= proc_a 14)), 4334#(and (<= proc_a 16) (<= 16 proc_a)), 4335#(and (<= 18 proc_a) (<= proc_a 18)), 4336#(and (<= 20 proc_a) (<= proc_a 20)), 4337#(and (<= 22 proc_a) (<= proc_a 22)), 4338#(and (<= 24 proc_a) (<= proc_a 24)), 4339#(and (<= 26 proc_a) (<= proc_a 26)), 4340#(and (<= proc_a 28) (<= 28 proc_a)), 4341#(and (<= proc_a 30) (<= 30 proc_a)), 4342#(and (<= 32 proc_a) (<= proc_a 32)), 4343#(and (<= 34 proc_a) (<= proc_a 34)), 4344#(and (<= 36 proc_a) (<= proc_a 36)), 4345#(and (<= 38 proc_a) (<= proc_a 38)), 4346#(and (<= 40 proc_a) (<= proc_a 40)), 4347#(and (<= proc_a 42) (<= 42 proc_a)), 4348#(and (<= proc_a 44) (<= 44 proc_a)), 4349#(and (<= proc_a 46) (<= 46 proc_a)), 4350#(and (<= 48 proc_a) (<= proc_a 48)), 4351#(and (<= 50 proc_a) (<= proc_a 50))] [2018-07-23 13:50:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,435 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:50:49,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:50:49,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:50:49,437 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 41 states. [2018-07-23 13:50:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:49,652 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:50:49,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:50:49,652 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 40 [2018-07-23 13:50:49,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:49,653 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:50:49,653 INFO L226 Difference]: Without dead ends: 42 [2018-07-23 13:50:49,654 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:50:49,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-07-23 13:50:49,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-07-23 13:50:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-07-23 13:50:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-07-23 13:50:49,658 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2018-07-23 13:50:49,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:49,658 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-07-23 13:50:49,658 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:50:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-07-23 13:50:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-07-23 13:50:49,659 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:49,659 INFO L357 BasicCegarLoop]: trace histogram [39, 1, 1] [2018-07-23 13:50:49,659 INFO L414 AbstractCegarLoop]: === Iteration 40 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:49,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1583972129, now seen corresponding path program 39 times [2018-07-23 13:50:49,659 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,891 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:49,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:50:49,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,893 INFO L185 omatonBuilderFactory]: Interpolants [4544#(and (<= 14 proc_a) (<= proc_a 14)), 4545#(and (<= proc_a 16) (<= 16 proc_a)), 4546#(and (<= 18 proc_a) (<= proc_a 18)), 4547#(and (<= 20 proc_a) (<= proc_a 20)), 4548#(and (<= 22 proc_a) (<= proc_a 22)), 4549#(and (<= 24 proc_a) (<= proc_a 24)), 4550#(and (<= 26 proc_a) (<= proc_a 26)), 4551#(and (<= proc_a 28) (<= 28 proc_a)), 4552#(and (<= proc_a 30) (<= 30 proc_a)), 4553#(and (<= 32 proc_a) (<= proc_a 32)), 4554#(and (<= 34 proc_a) (<= proc_a 34)), 4555#(and (<= 36 proc_a) (<= proc_a 36)), 4556#(and (<= 38 proc_a) (<= proc_a 38)), 4557#(and (<= 40 proc_a) (<= proc_a 40)), 4558#(and (<= proc_a 42) (<= 42 proc_a)), 4559#(and (<= proc_a 44) (<= 44 proc_a)), 4560#(and (<= proc_a 46) (<= 46 proc_a)), 4561#(and (<= 48 proc_a) (<= proc_a 48)), 4562#(and (<= 50 proc_a) (<= proc_a 50)), 4563#(and (<= 52 proc_a) (<= proc_a 52)), 4564#(and (<= 54 proc_a) (<= proc_a 54)), 4565#(and (<= proc_a 56) (<= 56 proc_a)), 4566#(and (<= proc_a 58) (<= 58 proc_a)), 4567#(and (<= 60 proc_a) (<= proc_a 60)), 4568#(and (<= 62 proc_a) (<= proc_a 62)), 4569#(and (<= 64 proc_a) (<= proc_a 64)), 4570#(and (<= 66 proc_a) (<= proc_a 66)), 4571#(and (<= 68 proc_a) (<= proc_a 68)), 4572#(and (<= proc_a 70) (<= 70 proc_a)), 4573#(and (<= 72 proc_a) (<= proc_a 72)), 4574#(and (<= proc_a 74) (<= 74 proc_a)), 4575#(and (<= proc_a 76) (<= 76 proc_a)), 4576#(and (<= 78 proc_a) (<= proc_a 78)), 4535#true, 4536#false, 4537#(and (<= proc_a 0) (<= 0 proc_a)), 4538#(and (<= 2 proc_a) (<= proc_a 2)), 4539#(and (<= 4 proc_a) (<= proc_a 4)), 4540#(and (<= 6 proc_a) (<= proc_a 6)), 4541#(and (<= proc_a 8) (<= 8 proc_a)), 4542#(and (<= 10 proc_a) (<= proc_a 10)), 4543#(and (<= proc_a 12) (<= 12 proc_a))] [2018-07-23 13:50:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:50:49,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:50:49,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:50:49,895 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 42 states. [2018-07-23 13:50:50,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:50,141 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-07-23 13:50:50,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:50:50,142 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 41 [2018-07-23 13:50:50,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:50,142 INFO L225 Difference]: With dead ends: 44 [2018-07-23 13:50:50,142 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:50:50,144 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:50:50,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:50:50,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:50:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:50:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:50:50,148 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2018-07-23 13:50:50,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:50,148 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:50:50,148 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:50:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:50:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:50:50,149 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:50,149 INFO L357 BasicCegarLoop]: trace histogram [40, 1, 1] [2018-07-23 13:50:50,149 INFO L414 AbstractCegarLoop]: === Iteration 41 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:50,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1858495687, now seen corresponding path program 40 times [2018-07-23 13:50:50,149 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:50,398 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:50,398 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:50:50,399 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:50,399 INFO L185 omatonBuilderFactory]: Interpolants [4751#true, 4752#false, 4753#(and (<= proc_a 0) (<= 0 proc_a)), 4754#(and (<= 2 proc_a) (<= proc_a 2)), 4755#(and (<= 4 proc_a) (<= proc_a 4)), 4756#(and (<= 6 proc_a) (<= proc_a 6)), 4757#(and (<= proc_a 8) (<= 8 proc_a)), 4758#(and (<= 10 proc_a) (<= proc_a 10)), 4759#(and (<= proc_a 12) (<= 12 proc_a)), 4760#(and (<= 14 proc_a) (<= proc_a 14)), 4761#(and (<= proc_a 16) (<= 16 proc_a)), 4762#(and (<= 18 proc_a) (<= proc_a 18)), 4763#(and (<= 20 proc_a) (<= proc_a 20)), 4764#(and (<= 22 proc_a) (<= proc_a 22)), 4765#(and (<= 24 proc_a) (<= proc_a 24)), 4766#(and (<= 26 proc_a) (<= proc_a 26)), 4767#(and (<= proc_a 28) (<= 28 proc_a)), 4768#(and (<= proc_a 30) (<= 30 proc_a)), 4769#(and (<= 32 proc_a) (<= proc_a 32)), 4770#(and (<= 34 proc_a) (<= proc_a 34)), 4771#(and (<= 36 proc_a) (<= proc_a 36)), 4772#(and (<= 38 proc_a) (<= proc_a 38)), 4773#(and (<= 40 proc_a) (<= proc_a 40)), 4774#(and (<= proc_a 42) (<= 42 proc_a)), 4775#(and (<= proc_a 44) (<= 44 proc_a)), 4776#(and (<= proc_a 46) (<= 46 proc_a)), 4777#(and (<= 48 proc_a) (<= proc_a 48)), 4778#(and (<= 50 proc_a) (<= proc_a 50)), 4779#(and (<= 52 proc_a) (<= proc_a 52)), 4780#(and (<= 54 proc_a) (<= proc_a 54)), 4781#(and (<= proc_a 56) (<= 56 proc_a)), 4782#(and (<= proc_a 58) (<= 58 proc_a)), 4783#(and (<= 60 proc_a) (<= proc_a 60)), 4784#(and (<= 62 proc_a) (<= proc_a 62)), 4785#(and (<= 64 proc_a) (<= proc_a 64)), 4786#(and (<= 66 proc_a) (<= proc_a 66)), 4787#(and (<= 68 proc_a) (<= proc_a 68)), 4788#(and (<= proc_a 70) (<= 70 proc_a)), 4789#(and (<= 72 proc_a) (<= proc_a 72)), 4790#(and (<= proc_a 74) (<= 74 proc_a)), 4791#(and (<= proc_a 76) (<= 76 proc_a)), 4792#(and (<= 78 proc_a) (<= proc_a 78)), 4793#(and (<= proc_a 80) (<= 80 proc_a))] [2018-07-23 13:50:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:50,400 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:50:50,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:50:50,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:50:50,401 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 43 states. [2018-07-23 13:50:50,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:50,621 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:50:50,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:50:50,621 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 42 [2018-07-23 13:50:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:50,622 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:50:50,622 INFO L226 Difference]: Without dead ends: 44 [2018-07-23 13:50:50,623 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:50:50,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-23 13:50:50,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-07-23 13:50:50,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-23 13:50:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-07-23 13:50:50,626 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2018-07-23 13:50:50,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:50,626 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-07-23 13:50:50,627 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:50:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-07-23 13:50:50,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 13:50:50,627 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:50,627 INFO L357 BasicCegarLoop]: trace histogram [41, 1, 1] [2018-07-23 13:50:50,627 INFO L414 AbstractCegarLoop]: === Iteration 42 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:50,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1778791393, now seen corresponding path program 41 times [2018-07-23 13:50:50,628 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:50,825 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:50,825 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:50,825 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:50:50,826 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:50,826 INFO L185 omatonBuilderFactory]: Interpolants [4992#(and (<= 36 proc_a) (<= proc_a 36)), 4993#(and (<= 38 proc_a) (<= proc_a 38)), 4994#(and (<= 40 proc_a) (<= proc_a 40)), 4995#(and (<= proc_a 42) (<= 42 proc_a)), 4996#(and (<= proc_a 44) (<= 44 proc_a)), 4997#(and (<= proc_a 46) (<= 46 proc_a)), 4998#(and (<= 48 proc_a) (<= proc_a 48)), 4999#(and (<= 50 proc_a) (<= proc_a 50)), 5000#(and (<= 52 proc_a) (<= proc_a 52)), 5001#(and (<= 54 proc_a) (<= proc_a 54)), 5002#(and (<= proc_a 56) (<= 56 proc_a)), 5003#(and (<= proc_a 58) (<= 58 proc_a)), 5004#(and (<= 60 proc_a) (<= proc_a 60)), 5005#(and (<= 62 proc_a) (<= proc_a 62)), 5006#(and (<= 64 proc_a) (<= proc_a 64)), 5007#(and (<= 66 proc_a) (<= proc_a 66)), 5008#(and (<= 68 proc_a) (<= proc_a 68)), 5009#(and (<= proc_a 70) (<= 70 proc_a)), 5010#(and (<= 72 proc_a) (<= proc_a 72)), 5011#(and (<= proc_a 74) (<= 74 proc_a)), 5012#(and (<= proc_a 76) (<= 76 proc_a)), 5013#(and (<= 78 proc_a) (<= proc_a 78)), 5014#(and (<= proc_a 80) (<= 80 proc_a)), 5015#(and (<= 82 proc_a) (<= proc_a 82)), 4972#true, 4973#false, 4974#(and (<= proc_a 0) (<= 0 proc_a)), 4975#(and (<= 2 proc_a) (<= proc_a 2)), 4976#(and (<= 4 proc_a) (<= proc_a 4)), 4977#(and (<= 6 proc_a) (<= proc_a 6)), 4978#(and (<= proc_a 8) (<= 8 proc_a)), 4979#(and (<= 10 proc_a) (<= proc_a 10)), 4980#(and (<= proc_a 12) (<= 12 proc_a)), 4981#(and (<= 14 proc_a) (<= proc_a 14)), 4982#(and (<= proc_a 16) (<= 16 proc_a)), 4983#(and (<= 18 proc_a) (<= proc_a 18)), 4984#(and (<= 20 proc_a) (<= proc_a 20)), 4985#(and (<= 22 proc_a) (<= proc_a 22)), 4986#(and (<= 24 proc_a) (<= proc_a 24)), 4987#(and (<= 26 proc_a) (<= proc_a 26)), 4988#(and (<= proc_a 28) (<= 28 proc_a)), 4989#(and (<= proc_a 30) (<= 30 proc_a)), 4990#(and (<= 32 proc_a) (<= proc_a 32)), 4991#(and (<= 34 proc_a) (<= proc_a 34))] [2018-07-23 13:50:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:50,827 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:50:50,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:50:50,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:50:50,828 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 44 states. [2018-07-23 13:50:51,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:51,044 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-07-23 13:50:51,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:50:51,044 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 43 [2018-07-23 13:50:51,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:51,044 INFO L225 Difference]: With dead ends: 46 [2018-07-23 13:50:51,045 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:50:51,046 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:50:51,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:50:51,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:50:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:50:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:50:51,049 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2018-07-23 13:50:51,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:51,050 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:50:51,050 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:50:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:50:51,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:50:51,050 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:51,050 INFO L357 BasicCegarLoop]: trace histogram [42, 1, 1] [2018-07-23 13:50:51,051 INFO L414 AbstractCegarLoop]: === Iteration 43 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:51,051 INFO L82 PathProgramCache]: Analyzing trace with hash -692041721, now seen corresponding path program 42 times [2018-07-23 13:50:51,051 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:51,248 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:51,248 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:50:51,248 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:51,249 INFO L185 omatonBuilderFactory]: Interpolants [5198#true, 5199#false, 5200#(and (<= proc_a 0) (<= 0 proc_a)), 5201#(and (<= 2 proc_a) (<= proc_a 2)), 5202#(and (<= 4 proc_a) (<= proc_a 4)), 5203#(and (<= 6 proc_a) (<= proc_a 6)), 5204#(and (<= proc_a 8) (<= 8 proc_a)), 5205#(and (<= 10 proc_a) (<= proc_a 10)), 5206#(and (<= proc_a 12) (<= 12 proc_a)), 5207#(and (<= 14 proc_a) (<= proc_a 14)), 5208#(and (<= proc_a 16) (<= 16 proc_a)), 5209#(and (<= 18 proc_a) (<= proc_a 18)), 5210#(and (<= 20 proc_a) (<= proc_a 20)), 5211#(and (<= 22 proc_a) (<= proc_a 22)), 5212#(and (<= 24 proc_a) (<= proc_a 24)), 5213#(and (<= 26 proc_a) (<= proc_a 26)), 5214#(and (<= proc_a 28) (<= 28 proc_a)), 5215#(and (<= proc_a 30) (<= 30 proc_a)), 5216#(and (<= 32 proc_a) (<= proc_a 32)), 5217#(and (<= 34 proc_a) (<= proc_a 34)), 5218#(and (<= 36 proc_a) (<= proc_a 36)), 5219#(and (<= 38 proc_a) (<= proc_a 38)), 5220#(and (<= 40 proc_a) (<= proc_a 40)), 5221#(and (<= proc_a 42) (<= 42 proc_a)), 5222#(and (<= proc_a 44) (<= 44 proc_a)), 5223#(and (<= proc_a 46) (<= 46 proc_a)), 5224#(and (<= 48 proc_a) (<= proc_a 48)), 5225#(and (<= 50 proc_a) (<= proc_a 50)), 5226#(and (<= 52 proc_a) (<= proc_a 52)), 5227#(and (<= 54 proc_a) (<= proc_a 54)), 5228#(and (<= proc_a 56) (<= 56 proc_a)), 5229#(and (<= proc_a 58) (<= 58 proc_a)), 5230#(and (<= 60 proc_a) (<= proc_a 60)), 5231#(and (<= 62 proc_a) (<= proc_a 62)), 5232#(and (<= 64 proc_a) (<= proc_a 64)), 5233#(and (<= 66 proc_a) (<= proc_a 66)), 5234#(and (<= 68 proc_a) (<= proc_a 68)), 5235#(and (<= proc_a 70) (<= 70 proc_a)), 5236#(and (<= 72 proc_a) (<= proc_a 72)), 5237#(and (<= proc_a 74) (<= 74 proc_a)), 5238#(and (<= proc_a 76) (<= 76 proc_a)), 5239#(and (<= 78 proc_a) (<= proc_a 78)), 5240#(and (<= proc_a 80) (<= 80 proc_a)), 5241#(and (<= 82 proc_a) (<= proc_a 82)), 5242#(and (<= proc_a 84) (<= 84 proc_a))] [2018-07-23 13:50:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:51,249 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:50:51,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:50:51,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:50:51,251 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 45 states. [2018-07-23 13:50:51,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:51,474 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:50:51,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:50:51,475 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 44 [2018-07-23 13:50:51,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:51,475 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:50:51,475 INFO L226 Difference]: Without dead ends: 46 [2018-07-23 13:50:51,476 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:50:51,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-07-23 13:50:51,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-07-23 13:50:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-07-23 13:50:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-07-23 13:50:51,480 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2018-07-23 13:50:51,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:51,481 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-07-23 13:50:51,481 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:50:51,481 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-07-23 13:50:51,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-07-23 13:50:51,481 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:51,481 INFO L357 BasicCegarLoop]: trace histogram [43, 1, 1] [2018-07-23 13:50:51,482 INFO L414 AbstractCegarLoop]: === Iteration 44 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:51,482 INFO L82 PathProgramCache]: Analyzing trace with hash 21543073, now seen corresponding path program 43 times [2018-07-23 13:50:51,482 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:51,678 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:51,678 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:51,678 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:50:51,678 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:51,679 INFO L185 omatonBuilderFactory]: Interpolants [5440#(and (<= 18 proc_a) (<= proc_a 18)), 5441#(and (<= 20 proc_a) (<= proc_a 20)), 5442#(and (<= 22 proc_a) (<= proc_a 22)), 5443#(and (<= 24 proc_a) (<= proc_a 24)), 5444#(and (<= 26 proc_a) (<= proc_a 26)), 5445#(and (<= proc_a 28) (<= 28 proc_a)), 5446#(and (<= proc_a 30) (<= 30 proc_a)), 5447#(and (<= 32 proc_a) (<= proc_a 32)), 5448#(and (<= 34 proc_a) (<= proc_a 34)), 5449#(and (<= 36 proc_a) (<= proc_a 36)), 5450#(and (<= 38 proc_a) (<= proc_a 38)), 5451#(and (<= 40 proc_a) (<= proc_a 40)), 5452#(and (<= proc_a 42) (<= 42 proc_a)), 5453#(and (<= proc_a 44) (<= 44 proc_a)), 5454#(and (<= proc_a 46) (<= 46 proc_a)), 5455#(and (<= 48 proc_a) (<= proc_a 48)), 5456#(and (<= 50 proc_a) (<= proc_a 50)), 5457#(and (<= 52 proc_a) (<= proc_a 52)), 5458#(and (<= 54 proc_a) (<= proc_a 54)), 5459#(and (<= proc_a 56) (<= 56 proc_a)), 5460#(and (<= proc_a 58) (<= 58 proc_a)), 5461#(and (<= 60 proc_a) (<= proc_a 60)), 5462#(and (<= 62 proc_a) (<= proc_a 62)), 5463#(and (<= 64 proc_a) (<= proc_a 64)), 5464#(and (<= 66 proc_a) (<= proc_a 66)), 5465#(and (<= 68 proc_a) (<= proc_a 68)), 5466#(and (<= proc_a 70) (<= 70 proc_a)), 5467#(and (<= 72 proc_a) (<= proc_a 72)), 5468#(and (<= proc_a 74) (<= 74 proc_a)), 5469#(and (<= proc_a 76) (<= 76 proc_a)), 5470#(and (<= 78 proc_a) (<= proc_a 78)), 5471#(and (<= proc_a 80) (<= 80 proc_a)), 5472#(and (<= 82 proc_a) (<= proc_a 82)), 5473#(and (<= proc_a 84) (<= 84 proc_a)), 5474#(and (<= 86 proc_a) (<= proc_a 86)), 5429#true, 5430#false, 5431#(and (<= proc_a 0) (<= 0 proc_a)), 5432#(and (<= 2 proc_a) (<= proc_a 2)), 5433#(and (<= 4 proc_a) (<= proc_a 4)), 5434#(and (<= 6 proc_a) (<= proc_a 6)), 5435#(and (<= proc_a 8) (<= 8 proc_a)), 5436#(and (<= 10 proc_a) (<= proc_a 10)), 5437#(and (<= proc_a 12) (<= 12 proc_a)), 5438#(and (<= 14 proc_a) (<= proc_a 14)), 5439#(and (<= proc_a 16) (<= 16 proc_a))] [2018-07-23 13:50:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:51,679 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:50:51,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:50:51,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:50:51,681 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 46 states. [2018-07-23 13:50:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:51,913 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-07-23 13:50:51,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:50:51,913 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 45 [2018-07-23 13:50:51,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:51,914 INFO L225 Difference]: With dead ends: 48 [2018-07-23 13:50:51,914 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:50:51,915 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:50:51,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:50:51,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:50:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:50:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:50:51,919 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2018-07-23 13:50:51,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:51,920 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:50:51,920 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:50:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:50:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:50:51,920 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:51,921 INFO L357 BasicCegarLoop]: trace histogram [44, 1, 1] [2018-07-23 13:50:51,921 INFO L414 AbstractCegarLoop]: === Iteration 45 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:51,921 INFO L82 PathProgramCache]: Analyzing trace with hash 667835207, now seen corresponding path program 44 times [2018-07-23 13:50:51,921 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:52,118 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,119 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:52,119 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:50:52,119 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,120 INFO L185 omatonBuilderFactory]: Interpolants [5696#(and (<= proc_a 58) (<= 58 proc_a)), 5697#(and (<= 60 proc_a) (<= proc_a 60)), 5698#(and (<= 62 proc_a) (<= proc_a 62)), 5699#(and (<= 64 proc_a) (<= proc_a 64)), 5700#(and (<= 66 proc_a) (<= proc_a 66)), 5701#(and (<= 68 proc_a) (<= proc_a 68)), 5702#(and (<= proc_a 70) (<= 70 proc_a)), 5703#(and (<= 72 proc_a) (<= proc_a 72)), 5704#(and (<= proc_a 74) (<= 74 proc_a)), 5705#(and (<= proc_a 76) (<= 76 proc_a)), 5706#(and (<= 78 proc_a) (<= proc_a 78)), 5707#(and (<= proc_a 80) (<= 80 proc_a)), 5708#(and (<= 82 proc_a) (<= proc_a 82)), 5709#(and (<= proc_a 84) (<= 84 proc_a)), 5710#(and (<= 86 proc_a) (<= proc_a 86)), 5711#(and (<= 88 proc_a) (<= proc_a 88)), 5665#true, 5666#false, 5667#(and (<= proc_a 0) (<= 0 proc_a)), 5668#(and (<= 2 proc_a) (<= proc_a 2)), 5669#(and (<= 4 proc_a) (<= proc_a 4)), 5670#(and (<= 6 proc_a) (<= proc_a 6)), 5671#(and (<= proc_a 8) (<= 8 proc_a)), 5672#(and (<= 10 proc_a) (<= proc_a 10)), 5673#(and (<= proc_a 12) (<= 12 proc_a)), 5674#(and (<= 14 proc_a) (<= proc_a 14)), 5675#(and (<= proc_a 16) (<= 16 proc_a)), 5676#(and (<= 18 proc_a) (<= proc_a 18)), 5677#(and (<= 20 proc_a) (<= proc_a 20)), 5678#(and (<= 22 proc_a) (<= proc_a 22)), 5679#(and (<= 24 proc_a) (<= proc_a 24)), 5680#(and (<= 26 proc_a) (<= proc_a 26)), 5681#(and (<= proc_a 28) (<= 28 proc_a)), 5682#(and (<= proc_a 30) (<= 30 proc_a)), 5683#(and (<= 32 proc_a) (<= proc_a 32)), 5684#(and (<= 34 proc_a) (<= proc_a 34)), 5685#(and (<= 36 proc_a) (<= proc_a 36)), 5686#(and (<= 38 proc_a) (<= proc_a 38)), 5687#(and (<= 40 proc_a) (<= proc_a 40)), 5688#(and (<= proc_a 42) (<= 42 proc_a)), 5689#(and (<= proc_a 44) (<= 44 proc_a)), 5690#(and (<= proc_a 46) (<= 46 proc_a)), 5691#(and (<= 48 proc_a) (<= proc_a 48)), 5692#(and (<= 50 proc_a) (<= proc_a 50)), 5693#(and (<= 52 proc_a) (<= proc_a 52)), 5694#(and (<= 54 proc_a) (<= proc_a 54)), 5695#(and (<= proc_a 56) (<= 56 proc_a))] [2018-07-23 13:50:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,120 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:50:52,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:50:52,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:50:52,121 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 47 states. [2018-07-23 13:50:52,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:52,352 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:50:52,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:50:52,353 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 46 [2018-07-23 13:50:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:52,354 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:50:52,354 INFO L226 Difference]: Without dead ends: 48 [2018-07-23 13:50:52,355 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:50:52,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-07-23 13:50:52,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-07-23 13:50:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-07-23 13:50:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-07-23 13:50:52,359 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2018-07-23 13:50:52,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:52,359 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-07-23 13:50:52,359 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:50:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-07-23 13:50:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-07-23 13:50:52,360 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:52,360 INFO L357 BasicCegarLoop]: trace histogram [45, 1, 1] [2018-07-23 13:50:52,360 INFO L414 AbstractCegarLoop]: === Iteration 46 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:52,361 INFO L82 PathProgramCache]: Analyzing trace with hash -771945119, now seen corresponding path program 45 times [2018-07-23 13:50:52,361 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,552 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:52,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:50:52,552 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,553 INFO L185 omatonBuilderFactory]: Interpolants [5952#(and (<= 88 proc_a) (<= proc_a 88)), 5953#(and (<= proc_a 90) (<= 90 proc_a)), 5906#true, 5907#false, 5908#(and (<= proc_a 0) (<= 0 proc_a)), 5909#(and (<= 2 proc_a) (<= proc_a 2)), 5910#(and (<= 4 proc_a) (<= proc_a 4)), 5911#(and (<= 6 proc_a) (<= proc_a 6)), 5912#(and (<= proc_a 8) (<= 8 proc_a)), 5913#(and (<= 10 proc_a) (<= proc_a 10)), 5914#(and (<= proc_a 12) (<= 12 proc_a)), 5915#(and (<= 14 proc_a) (<= proc_a 14)), 5916#(and (<= proc_a 16) (<= 16 proc_a)), 5917#(and (<= 18 proc_a) (<= proc_a 18)), 5918#(and (<= 20 proc_a) (<= proc_a 20)), 5919#(and (<= 22 proc_a) (<= proc_a 22)), 5920#(and (<= 24 proc_a) (<= proc_a 24)), 5921#(and (<= 26 proc_a) (<= proc_a 26)), 5922#(and (<= proc_a 28) (<= 28 proc_a)), 5923#(and (<= proc_a 30) (<= 30 proc_a)), 5924#(and (<= 32 proc_a) (<= proc_a 32)), 5925#(and (<= 34 proc_a) (<= proc_a 34)), 5926#(and (<= 36 proc_a) (<= proc_a 36)), 5927#(and (<= 38 proc_a) (<= proc_a 38)), 5928#(and (<= 40 proc_a) (<= proc_a 40)), 5929#(and (<= proc_a 42) (<= 42 proc_a)), 5930#(and (<= proc_a 44) (<= 44 proc_a)), 5931#(and (<= proc_a 46) (<= 46 proc_a)), 5932#(and (<= 48 proc_a) (<= proc_a 48)), 5933#(and (<= 50 proc_a) (<= proc_a 50)), 5934#(and (<= 52 proc_a) (<= proc_a 52)), 5935#(and (<= 54 proc_a) (<= proc_a 54)), 5936#(and (<= proc_a 56) (<= 56 proc_a)), 5937#(and (<= proc_a 58) (<= 58 proc_a)), 5938#(and (<= 60 proc_a) (<= proc_a 60)), 5939#(and (<= 62 proc_a) (<= proc_a 62)), 5940#(and (<= 64 proc_a) (<= proc_a 64)), 5941#(and (<= 66 proc_a) (<= proc_a 66)), 5942#(and (<= 68 proc_a) (<= proc_a 68)), 5943#(and (<= proc_a 70) (<= 70 proc_a)), 5944#(and (<= 72 proc_a) (<= proc_a 72)), 5945#(and (<= proc_a 74) (<= 74 proc_a)), 5946#(and (<= proc_a 76) (<= 76 proc_a)), 5947#(and (<= 78 proc_a) (<= proc_a 78)), 5948#(and (<= proc_a 80) (<= 80 proc_a)), 5949#(and (<= 82 proc_a) (<= proc_a 82)), 5950#(and (<= proc_a 84) (<= 84 proc_a)), 5951#(and (<= 86 proc_a) (<= proc_a 86))] [2018-07-23 13:50:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,553 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:50:52,554 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:50:52,554 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:50:52,554 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 48 states. [2018-07-23 13:50:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:52,778 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-07-23 13:50:52,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:50:52,779 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 47 [2018-07-23 13:50:52,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:52,779 INFO L225 Difference]: With dead ends: 50 [2018-07-23 13:50:52,779 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:50:52,780 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:50:52,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:50:52,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:50:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:50:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:50:52,784 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2018-07-23 13:50:52,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:52,784 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:50:52,785 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:50:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:50:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:50:52,785 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:52,785 INFO L357 BasicCegarLoop]: trace histogram [46, 1, 1] [2018-07-23 13:50:52,785 INFO L414 AbstractCegarLoop]: === Iteration 47 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:52,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1839505031, now seen corresponding path program 46 times [2018-07-23 13:50:52,786 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,970 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:52,970 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:50:52,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,971 INFO L185 omatonBuilderFactory]: Interpolants [6152#true, 6153#false, 6154#(and (<= proc_a 0) (<= 0 proc_a)), 6155#(and (<= 2 proc_a) (<= proc_a 2)), 6156#(and (<= 4 proc_a) (<= proc_a 4)), 6157#(and (<= 6 proc_a) (<= proc_a 6)), 6158#(and (<= proc_a 8) (<= 8 proc_a)), 6159#(and (<= 10 proc_a) (<= proc_a 10)), 6160#(and (<= proc_a 12) (<= 12 proc_a)), 6161#(and (<= 14 proc_a) (<= proc_a 14)), 6162#(and (<= proc_a 16) (<= 16 proc_a)), 6163#(and (<= 18 proc_a) (<= proc_a 18)), 6164#(and (<= 20 proc_a) (<= proc_a 20)), 6165#(and (<= 22 proc_a) (<= proc_a 22)), 6166#(and (<= 24 proc_a) (<= proc_a 24)), 6167#(and (<= 26 proc_a) (<= proc_a 26)), 6168#(and (<= proc_a 28) (<= 28 proc_a)), 6169#(and (<= proc_a 30) (<= 30 proc_a)), 6170#(and (<= 32 proc_a) (<= proc_a 32)), 6171#(and (<= 34 proc_a) (<= proc_a 34)), 6172#(and (<= 36 proc_a) (<= proc_a 36)), 6173#(and (<= 38 proc_a) (<= proc_a 38)), 6174#(and (<= 40 proc_a) (<= proc_a 40)), 6175#(and (<= proc_a 42) (<= 42 proc_a)), 6176#(and (<= proc_a 44) (<= 44 proc_a)), 6177#(and (<= proc_a 46) (<= 46 proc_a)), 6178#(and (<= 48 proc_a) (<= proc_a 48)), 6179#(and (<= 50 proc_a) (<= proc_a 50)), 6180#(and (<= 52 proc_a) (<= proc_a 52)), 6181#(and (<= 54 proc_a) (<= proc_a 54)), 6182#(and (<= proc_a 56) (<= 56 proc_a)), 6183#(and (<= proc_a 58) (<= 58 proc_a)), 6184#(and (<= 60 proc_a) (<= proc_a 60)), 6185#(and (<= 62 proc_a) (<= proc_a 62)), 6186#(and (<= 64 proc_a) (<= proc_a 64)), 6187#(and (<= 66 proc_a) (<= proc_a 66)), 6188#(and (<= 68 proc_a) (<= proc_a 68)), 6189#(and (<= proc_a 70) (<= 70 proc_a)), 6190#(and (<= 72 proc_a) (<= proc_a 72)), 6191#(and (<= proc_a 74) (<= 74 proc_a)), 6192#(and (<= proc_a 76) (<= 76 proc_a)), 6193#(and (<= 78 proc_a) (<= proc_a 78)), 6194#(and (<= proc_a 80) (<= 80 proc_a)), 6195#(and (<= 82 proc_a) (<= proc_a 82)), 6196#(and (<= proc_a 84) (<= 84 proc_a)), 6197#(and (<= 86 proc_a) (<= proc_a 86)), 6198#(and (<= 88 proc_a) (<= proc_a 88)), 6199#(and (<= proc_a 90) (<= 90 proc_a)), 6200#(and (<= 92 proc_a) (<= proc_a 92))] [2018-07-23 13:50:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,972 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:50:52,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:50:52,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:50:52,973 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 49 states. [2018-07-23 13:50:53,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:53,223 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:50:53,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:50:53,223 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 48 [2018-07-23 13:50:53,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:53,224 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:50:53,224 INFO L226 Difference]: Without dead ends: 50 [2018-07-23 13:50:53,225 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:50:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-07-23 13:50:53,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-07-23 13:50:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-07-23 13:50:53,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-07-23 13:50:53,230 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2018-07-23 13:50:53,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:53,230 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-07-23 13:50:53,230 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:50:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-07-23 13:50:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-23 13:50:53,231 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:53,231 INFO L357 BasicCegarLoop]: trace histogram [47, 1, 1] [2018-07-23 13:50:53,231 INFO L414 AbstractCegarLoop]: === Iteration 48 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:53,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1190081057, now seen corresponding path program 47 times [2018-07-23 13:50:53,232 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:53,482 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:53,482 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:50:53,482 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:53,483 INFO L185 omatonBuilderFactory]: Interpolants [6403#true, 6404#false, 6405#(and (<= proc_a 0) (<= 0 proc_a)), 6406#(and (<= 2 proc_a) (<= proc_a 2)), 6407#(and (<= 4 proc_a) (<= proc_a 4)), 6408#(and (<= 6 proc_a) (<= proc_a 6)), 6409#(and (<= proc_a 8) (<= 8 proc_a)), 6410#(and (<= 10 proc_a) (<= proc_a 10)), 6411#(and (<= proc_a 12) (<= 12 proc_a)), 6412#(and (<= 14 proc_a) (<= proc_a 14)), 6413#(and (<= proc_a 16) (<= 16 proc_a)), 6414#(and (<= 18 proc_a) (<= proc_a 18)), 6415#(and (<= 20 proc_a) (<= proc_a 20)), 6416#(and (<= 22 proc_a) (<= proc_a 22)), 6417#(and (<= 24 proc_a) (<= proc_a 24)), 6418#(and (<= 26 proc_a) (<= proc_a 26)), 6419#(and (<= proc_a 28) (<= 28 proc_a)), 6420#(and (<= proc_a 30) (<= 30 proc_a)), 6421#(and (<= 32 proc_a) (<= proc_a 32)), 6422#(and (<= 34 proc_a) (<= proc_a 34)), 6423#(and (<= 36 proc_a) (<= proc_a 36)), 6424#(and (<= 38 proc_a) (<= proc_a 38)), 6425#(and (<= 40 proc_a) (<= proc_a 40)), 6426#(and (<= proc_a 42) (<= 42 proc_a)), 6427#(and (<= proc_a 44) (<= 44 proc_a)), 6428#(and (<= proc_a 46) (<= 46 proc_a)), 6429#(and (<= 48 proc_a) (<= proc_a 48)), 6430#(and (<= 50 proc_a) (<= proc_a 50)), 6431#(and (<= 52 proc_a) (<= proc_a 52)), 6432#(and (<= 54 proc_a) (<= proc_a 54)), 6433#(and (<= proc_a 56) (<= 56 proc_a)), 6434#(and (<= proc_a 58) (<= 58 proc_a)), 6435#(and (<= 60 proc_a) (<= proc_a 60)), 6436#(and (<= 62 proc_a) (<= proc_a 62)), 6437#(and (<= 64 proc_a) (<= proc_a 64)), 6438#(and (<= 66 proc_a) (<= proc_a 66)), 6439#(and (<= 68 proc_a) (<= proc_a 68)), 6440#(and (<= proc_a 70) (<= 70 proc_a)), 6441#(and (<= 72 proc_a) (<= proc_a 72)), 6442#(and (<= proc_a 74) (<= 74 proc_a)), 6443#(and (<= proc_a 76) (<= 76 proc_a)), 6444#(and (<= 78 proc_a) (<= proc_a 78)), 6445#(and (<= proc_a 80) (<= 80 proc_a)), 6446#(and (<= 82 proc_a) (<= proc_a 82)), 6447#(and (<= proc_a 84) (<= 84 proc_a)), 6448#(and (<= 86 proc_a) (<= proc_a 86)), 6449#(and (<= 88 proc_a) (<= proc_a 88)), 6450#(and (<= proc_a 90) (<= 90 proc_a)), 6451#(and (<= 92 proc_a) (<= proc_a 92)), 6452#(and (<= proc_a 94) (<= 94 proc_a))] [2018-07-23 13:50:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:53,484 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:50:53,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:50:53,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:50:53,484 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 50 states. [2018-07-23 13:50:53,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:53,701 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-07-23 13:50:53,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:50:53,701 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 49 [2018-07-23 13:50:53,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:53,702 INFO L225 Difference]: With dead ends: 52 [2018-07-23 13:50:53,702 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:50:53,702 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:50:53,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:50:53,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:50:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:50:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:50:53,708 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2018-07-23 13:50:53,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:53,708 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:50:53,708 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:50:53,708 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:50:53,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:50:53,709 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:53,709 INFO L357 BasicCegarLoop]: trace histogram [48, 1, 1] [2018-07-23 13:50:53,709 INFO L414 AbstractCegarLoop]: === Iteration 49 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:53,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1762192953, now seen corresponding path program 48 times [2018-07-23 13:50:53,709 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:53,879 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:53,879 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:50:53,879 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:53,880 INFO L185 omatonBuilderFactory]: Interpolants [6659#true, 6660#false, 6661#(and (<= proc_a 0) (<= 0 proc_a)), 6662#(and (<= 2 proc_a) (<= proc_a 2)), 6663#(and (<= 4 proc_a) (<= proc_a 4)), 6664#(and (<= 6 proc_a) (<= proc_a 6)), 6665#(and (<= proc_a 8) (<= 8 proc_a)), 6666#(and (<= 10 proc_a) (<= proc_a 10)), 6667#(and (<= proc_a 12) (<= 12 proc_a)), 6668#(and (<= 14 proc_a) (<= proc_a 14)), 6669#(and (<= proc_a 16) (<= 16 proc_a)), 6670#(and (<= 18 proc_a) (<= proc_a 18)), 6671#(and (<= 20 proc_a) (<= proc_a 20)), 6672#(and (<= 22 proc_a) (<= proc_a 22)), 6673#(and (<= 24 proc_a) (<= proc_a 24)), 6674#(and (<= 26 proc_a) (<= proc_a 26)), 6675#(and (<= proc_a 28) (<= 28 proc_a)), 6676#(and (<= proc_a 30) (<= 30 proc_a)), 6677#(and (<= 32 proc_a) (<= proc_a 32)), 6678#(and (<= 34 proc_a) (<= proc_a 34)), 6679#(and (<= 36 proc_a) (<= proc_a 36)), 6680#(and (<= 38 proc_a) (<= proc_a 38)), 6681#(and (<= 40 proc_a) (<= proc_a 40)), 6682#(and (<= proc_a 42) (<= 42 proc_a)), 6683#(and (<= proc_a 44) (<= 44 proc_a)), 6684#(and (<= proc_a 46) (<= 46 proc_a)), 6685#(and (<= 48 proc_a) (<= proc_a 48)), 6686#(and (<= 50 proc_a) (<= proc_a 50)), 6687#(and (<= 52 proc_a) (<= proc_a 52)), 6688#(and (<= 54 proc_a) (<= proc_a 54)), 6689#(and (<= proc_a 56) (<= 56 proc_a)), 6690#(and (<= proc_a 58) (<= 58 proc_a)), 6691#(and (<= 60 proc_a) (<= proc_a 60)), 6692#(and (<= 62 proc_a) (<= proc_a 62)), 6693#(and (<= 64 proc_a) (<= proc_a 64)), 6694#(and (<= 66 proc_a) (<= proc_a 66)), 6695#(and (<= 68 proc_a) (<= proc_a 68)), 6696#(and (<= proc_a 70) (<= 70 proc_a)), 6697#(and (<= 72 proc_a) (<= proc_a 72)), 6698#(and (<= proc_a 74) (<= 74 proc_a)), 6699#(and (<= proc_a 76) (<= 76 proc_a)), 6700#(and (<= 78 proc_a) (<= proc_a 78)), 6701#(and (<= proc_a 80) (<= 80 proc_a)), 6702#(and (<= 82 proc_a) (<= proc_a 82)), 6703#(and (<= proc_a 84) (<= 84 proc_a)), 6704#(and (<= 86 proc_a) (<= proc_a 86)), 6705#(and (<= 88 proc_a) (<= proc_a 88)), 6706#(and (<= proc_a 90) (<= 90 proc_a)), 6707#(and (<= 92 proc_a) (<= proc_a 92)), 6708#(and (<= proc_a 94) (<= 94 proc_a)), 6709#(and (<= proc_a 96) (<= 96 proc_a))] [2018-07-23 13:50:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:53,882 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:50:53,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:50:53,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:50:53,883 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 51 states. [2018-07-23 13:50:54,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:54,106 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:50:54,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:50:54,106 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 50 [2018-07-23 13:50:54,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:54,107 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:50:54,107 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 13:50:54,108 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:50:54,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 13:50:54,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-07-23 13:50:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-07-23 13:50:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-07-23 13:50:54,114 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2018-07-23 13:50:54,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:54,114 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-07-23 13:50:54,114 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:50:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-07-23 13:50:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-07-23 13:50:54,115 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:54,115 INFO L357 BasicCegarLoop]: trace histogram [49, 1, 1] [2018-07-23 13:50:54,115 INFO L414 AbstractCegarLoop]: === Iteration 50 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:54,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1206593249, now seen corresponding path program 49 times [2018-07-23 13:50:54,115 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:54,293 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:54,294 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:50:54,294 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:54,294 INFO L185 omatonBuilderFactory]: Interpolants [6920#true, 6921#false, 6922#(and (<= proc_a 0) (<= 0 proc_a)), 6923#(and (<= 2 proc_a) (<= proc_a 2)), 6924#(and (<= 4 proc_a) (<= proc_a 4)), 6925#(and (<= 6 proc_a) (<= proc_a 6)), 6926#(and (<= proc_a 8) (<= 8 proc_a)), 6927#(and (<= 10 proc_a) (<= proc_a 10)), 6928#(and (<= proc_a 12) (<= 12 proc_a)), 6929#(and (<= 14 proc_a) (<= proc_a 14)), 6930#(and (<= proc_a 16) (<= 16 proc_a)), 6931#(and (<= 18 proc_a) (<= proc_a 18)), 6932#(and (<= 20 proc_a) (<= proc_a 20)), 6933#(and (<= 22 proc_a) (<= proc_a 22)), 6934#(and (<= 24 proc_a) (<= proc_a 24)), 6935#(and (<= 26 proc_a) (<= proc_a 26)), 6936#(and (<= proc_a 28) (<= 28 proc_a)), 6937#(and (<= proc_a 30) (<= 30 proc_a)), 6938#(and (<= 32 proc_a) (<= proc_a 32)), 6939#(and (<= 34 proc_a) (<= proc_a 34)), 6940#(and (<= 36 proc_a) (<= proc_a 36)), 6941#(and (<= 38 proc_a) (<= proc_a 38)), 6942#(and (<= 40 proc_a) (<= proc_a 40)), 6943#(and (<= proc_a 42) (<= 42 proc_a)), 6944#(and (<= proc_a 44) (<= 44 proc_a)), 6945#(and (<= proc_a 46) (<= 46 proc_a)), 6946#(and (<= 48 proc_a) (<= proc_a 48)), 6947#(and (<= 50 proc_a) (<= proc_a 50)), 6948#(and (<= 52 proc_a) (<= proc_a 52)), 6949#(and (<= 54 proc_a) (<= proc_a 54)), 6950#(and (<= proc_a 56) (<= 56 proc_a)), 6951#(and (<= proc_a 58) (<= 58 proc_a)), 6952#(and (<= 60 proc_a) (<= proc_a 60)), 6953#(and (<= 62 proc_a) (<= proc_a 62)), 6954#(and (<= 64 proc_a) (<= proc_a 64)), 6955#(and (<= 66 proc_a) (<= proc_a 66)), 6956#(and (<= 68 proc_a) (<= proc_a 68)), 6957#(and (<= proc_a 70) (<= 70 proc_a)), 6958#(and (<= 72 proc_a) (<= proc_a 72)), 6959#(and (<= proc_a 74) (<= 74 proc_a)), 6960#(and (<= proc_a 76) (<= 76 proc_a)), 6961#(and (<= 78 proc_a) (<= proc_a 78)), 6962#(and (<= proc_a 80) (<= 80 proc_a)), 6963#(and (<= 82 proc_a) (<= proc_a 82)), 6964#(and (<= proc_a 84) (<= 84 proc_a)), 6965#(and (<= 86 proc_a) (<= proc_a 86)), 6966#(and (<= 88 proc_a) (<= proc_a 88)), 6967#(and (<= proc_a 90) (<= 90 proc_a)), 6968#(and (<= 92 proc_a) (<= proc_a 92)), 6969#(and (<= proc_a 94) (<= 94 proc_a)), 6970#(and (<= proc_a 96) (<= 96 proc_a)), 6971#(and (<= 98 proc_a) (<= proc_a 98))] [2018-07-23 13:50:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:54,295 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:50:54,295 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:50:54,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:50:54,296 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 52 states. [2018-07-23 13:50:54,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:54,507 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-07-23 13:50:54,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:50:54,507 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 51 [2018-07-23 13:50:54,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:54,508 INFO L225 Difference]: With dead ends: 54 [2018-07-23 13:50:54,508 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:50:54,509 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:50:54,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:50:54,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:50:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:50:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:50:54,513 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2018-07-23 13:50:54,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:54,513 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:50:54,513 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:50:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:50:54,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:50:54,514 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:54,514 INFO L357 BasicCegarLoop]: trace histogram [50, 1, 1] [2018-07-23 13:50:54,514 INFO L414 AbstractCegarLoop]: === Iteration 51 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:54,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1250315001, now seen corresponding path program 50 times [2018-07-23 13:50:54,514 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:54,709 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:54,709 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:50:54,710 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:54,710 INFO L185 omatonBuilderFactory]: Interpolants [7186#true, 7187#false, 7188#(and (<= proc_a 0) (<= 0 proc_a)), 7189#(and (<= 2 proc_a) (<= proc_a 2)), 7190#(and (<= 4 proc_a) (<= proc_a 4)), 7191#(and (<= 6 proc_a) (<= proc_a 6)), 7192#(and (<= proc_a 8) (<= 8 proc_a)), 7193#(and (<= 10 proc_a) (<= proc_a 10)), 7194#(and (<= proc_a 12) (<= 12 proc_a)), 7195#(and (<= 14 proc_a) (<= proc_a 14)), 7196#(and (<= proc_a 16) (<= 16 proc_a)), 7197#(and (<= 18 proc_a) (<= proc_a 18)), 7198#(and (<= 20 proc_a) (<= proc_a 20)), 7199#(and (<= 22 proc_a) (<= proc_a 22)), 7200#(and (<= 24 proc_a) (<= proc_a 24)), 7201#(and (<= 26 proc_a) (<= proc_a 26)), 7202#(and (<= proc_a 28) (<= 28 proc_a)), 7203#(and (<= proc_a 30) (<= 30 proc_a)), 7204#(and (<= 32 proc_a) (<= proc_a 32)), 7205#(and (<= 34 proc_a) (<= proc_a 34)), 7206#(and (<= 36 proc_a) (<= proc_a 36)), 7207#(and (<= 38 proc_a) (<= proc_a 38)), 7208#(and (<= 40 proc_a) (<= proc_a 40)), 7209#(and (<= proc_a 42) (<= 42 proc_a)), 7210#(and (<= proc_a 44) (<= 44 proc_a)), 7211#(and (<= proc_a 46) (<= 46 proc_a)), 7212#(and (<= 48 proc_a) (<= proc_a 48)), 7213#(and (<= 50 proc_a) (<= proc_a 50)), 7214#(and (<= 52 proc_a) (<= proc_a 52)), 7215#(and (<= 54 proc_a) (<= proc_a 54)), 7216#(and (<= proc_a 56) (<= 56 proc_a)), 7217#(and (<= proc_a 58) (<= 58 proc_a)), 7218#(and (<= 60 proc_a) (<= proc_a 60)), 7219#(and (<= 62 proc_a) (<= proc_a 62)), 7220#(and (<= 64 proc_a) (<= proc_a 64)), 7221#(and (<= 66 proc_a) (<= proc_a 66)), 7222#(and (<= 68 proc_a) (<= proc_a 68)), 7223#(and (<= proc_a 70) (<= 70 proc_a)), 7224#(and (<= 72 proc_a) (<= proc_a 72)), 7225#(and (<= proc_a 74) (<= 74 proc_a)), 7226#(and (<= proc_a 76) (<= 76 proc_a)), 7227#(and (<= 78 proc_a) (<= proc_a 78)), 7228#(and (<= proc_a 80) (<= 80 proc_a)), 7229#(and (<= 82 proc_a) (<= proc_a 82)), 7230#(and (<= proc_a 84) (<= 84 proc_a)), 7231#(and (<= 86 proc_a) (<= proc_a 86)), 7232#(and (<= 88 proc_a) (<= proc_a 88)), 7233#(and (<= proc_a 90) (<= 90 proc_a)), 7234#(and (<= 92 proc_a) (<= proc_a 92)), 7235#(and (<= proc_a 94) (<= 94 proc_a)), 7236#(and (<= proc_a 96) (<= 96 proc_a)), 7237#(and (<= 98 proc_a) (<= proc_a 98)), 7238#(and (<= proc_a 100) (<= 100 proc_a))] [2018-07-23 13:50:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:54,711 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:50:54,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:50:54,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:50:54,712 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 53 states. [2018-07-23 13:50:54,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:54,928 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:50:54,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:50:54,929 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 52 [2018-07-23 13:50:54,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:54,929 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:50:54,929 INFO L226 Difference]: Without dead ends: 54 [2018-07-23 13:50:54,930 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:50:54,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-07-23 13:50:54,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-07-23 13:50:54,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-07-23 13:50:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-07-23 13:50:54,942 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2018-07-23 13:50:54,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:54,943 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-07-23 13:50:54,943 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:50:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-07-23 13:50:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-23 13:50:54,943 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:54,944 INFO L357 BasicCegarLoop]: trace histogram [51, 1, 1] [2018-07-23 13:50:54,944 INFO L414 AbstractCegarLoop]: === Iteration 52 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:54,944 INFO L82 PathProgramCache]: Analyzing trace with hash -105059423, now seen corresponding path program 51 times [2018-07-23 13:50:54,944 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:55,139 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:55,139 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:50:55,139 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:55,140 INFO L185 omatonBuilderFactory]: Interpolants [7457#true, 7458#false, 7459#(and (<= proc_a 0) (<= 0 proc_a)), 7460#(and (<= 2 proc_a) (<= proc_a 2)), 7461#(and (<= 4 proc_a) (<= proc_a 4)), 7462#(and (<= 6 proc_a) (<= proc_a 6)), 7463#(and (<= proc_a 8) (<= 8 proc_a)), 7464#(and (<= 10 proc_a) (<= proc_a 10)), 7465#(and (<= proc_a 12) (<= 12 proc_a)), 7466#(and (<= 14 proc_a) (<= proc_a 14)), 7467#(and (<= proc_a 16) (<= 16 proc_a)), 7468#(and (<= 18 proc_a) (<= proc_a 18)), 7469#(and (<= 20 proc_a) (<= proc_a 20)), 7470#(and (<= 22 proc_a) (<= proc_a 22)), 7471#(and (<= 24 proc_a) (<= proc_a 24)), 7472#(and (<= 26 proc_a) (<= proc_a 26)), 7473#(and (<= proc_a 28) (<= 28 proc_a)), 7474#(and (<= proc_a 30) (<= 30 proc_a)), 7475#(and (<= 32 proc_a) (<= proc_a 32)), 7476#(and (<= 34 proc_a) (<= proc_a 34)), 7477#(and (<= 36 proc_a) (<= proc_a 36)), 7478#(and (<= 38 proc_a) (<= proc_a 38)), 7479#(and (<= 40 proc_a) (<= proc_a 40)), 7480#(and (<= proc_a 42) (<= 42 proc_a)), 7481#(and (<= proc_a 44) (<= 44 proc_a)), 7482#(and (<= proc_a 46) (<= 46 proc_a)), 7483#(and (<= 48 proc_a) (<= proc_a 48)), 7484#(and (<= 50 proc_a) (<= proc_a 50)), 7485#(and (<= 52 proc_a) (<= proc_a 52)), 7486#(and (<= 54 proc_a) (<= proc_a 54)), 7487#(and (<= proc_a 56) (<= 56 proc_a)), 7488#(and (<= proc_a 58) (<= 58 proc_a)), 7489#(and (<= 60 proc_a) (<= proc_a 60)), 7490#(and (<= 62 proc_a) (<= proc_a 62)), 7491#(and (<= 64 proc_a) (<= proc_a 64)), 7492#(and (<= 66 proc_a) (<= proc_a 66)), 7493#(and (<= 68 proc_a) (<= proc_a 68)), 7494#(and (<= proc_a 70) (<= 70 proc_a)), 7495#(and (<= 72 proc_a) (<= proc_a 72)), 7496#(and (<= proc_a 74) (<= 74 proc_a)), 7497#(and (<= proc_a 76) (<= 76 proc_a)), 7498#(and (<= 78 proc_a) (<= proc_a 78)), 7499#(and (<= proc_a 80) (<= 80 proc_a)), 7500#(and (<= 82 proc_a) (<= proc_a 82)), 7501#(and (<= proc_a 84) (<= 84 proc_a)), 7502#(and (<= 86 proc_a) (<= proc_a 86)), 7503#(and (<= 88 proc_a) (<= proc_a 88)), 7504#(and (<= proc_a 90) (<= 90 proc_a)), 7505#(and (<= 92 proc_a) (<= proc_a 92)), 7506#(and (<= proc_a 94) (<= 94 proc_a)), 7507#(and (<= proc_a 96) (<= 96 proc_a)), 7508#(and (<= 98 proc_a) (<= proc_a 98)), 7509#(and (<= proc_a 100) (<= 100 proc_a)), 7510#(and (<= 102 proc_a) (<= proc_a 102))] [2018-07-23 13:50:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:55,140 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:50:55,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:50:55,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:50:55,141 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 54 states. [2018-07-23 13:50:55,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:55,360 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-07-23 13:50:55,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:50:55,360 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 53 [2018-07-23 13:50:55,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:55,361 INFO L225 Difference]: With dead ends: 56 [2018-07-23 13:50:55,361 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:50:55,361 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:50:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:50:55,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:50:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:50:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:50:55,366 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2018-07-23 13:50:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:55,366 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:50:55,366 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:50:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:50:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:50:55,367 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:55,367 INFO L357 BasicCegarLoop]: trace histogram [52, 1, 1] [2018-07-23 13:50:55,367 INFO L414 AbstractCegarLoop]: === Iteration 53 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:55,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1038125127, now seen corresponding path program 52 times [2018-07-23 13:50:55,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:55,564 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:55,564 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:50:55,564 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:55,565 INFO L185 omatonBuilderFactory]: Interpolants [7733#true, 7734#false, 7735#(and (<= proc_a 0) (<= 0 proc_a)), 7736#(and (<= 2 proc_a) (<= proc_a 2)), 7737#(and (<= 4 proc_a) (<= proc_a 4)), 7738#(and (<= 6 proc_a) (<= proc_a 6)), 7739#(and (<= proc_a 8) (<= 8 proc_a)), 7740#(and (<= 10 proc_a) (<= proc_a 10)), 7741#(and (<= proc_a 12) (<= 12 proc_a)), 7742#(and (<= 14 proc_a) (<= proc_a 14)), 7743#(and (<= proc_a 16) (<= 16 proc_a)), 7744#(and (<= 18 proc_a) (<= proc_a 18)), 7745#(and (<= 20 proc_a) (<= proc_a 20)), 7746#(and (<= 22 proc_a) (<= proc_a 22)), 7747#(and (<= 24 proc_a) (<= proc_a 24)), 7748#(and (<= 26 proc_a) (<= proc_a 26)), 7749#(and (<= proc_a 28) (<= 28 proc_a)), 7750#(and (<= proc_a 30) (<= 30 proc_a)), 7751#(and (<= 32 proc_a) (<= proc_a 32)), 7752#(and (<= 34 proc_a) (<= proc_a 34)), 7753#(and (<= 36 proc_a) (<= proc_a 36)), 7754#(and (<= 38 proc_a) (<= proc_a 38)), 7755#(and (<= 40 proc_a) (<= proc_a 40)), 7756#(and (<= proc_a 42) (<= 42 proc_a)), 7757#(and (<= proc_a 44) (<= 44 proc_a)), 7758#(and (<= proc_a 46) (<= 46 proc_a)), 7759#(and (<= 48 proc_a) (<= proc_a 48)), 7760#(and (<= 50 proc_a) (<= proc_a 50)), 7761#(and (<= 52 proc_a) (<= proc_a 52)), 7762#(and (<= 54 proc_a) (<= proc_a 54)), 7763#(and (<= proc_a 56) (<= 56 proc_a)), 7764#(and (<= proc_a 58) (<= 58 proc_a)), 7765#(and (<= 60 proc_a) (<= proc_a 60)), 7766#(and (<= 62 proc_a) (<= proc_a 62)), 7767#(and (<= 64 proc_a) (<= proc_a 64)), 7768#(and (<= 66 proc_a) (<= proc_a 66)), 7769#(and (<= 68 proc_a) (<= proc_a 68)), 7770#(and (<= proc_a 70) (<= 70 proc_a)), 7771#(and (<= 72 proc_a) (<= proc_a 72)), 7772#(and (<= proc_a 74) (<= 74 proc_a)), 7773#(and (<= proc_a 76) (<= 76 proc_a)), 7774#(and (<= 78 proc_a) (<= proc_a 78)), 7775#(and (<= proc_a 80) (<= 80 proc_a)), 7776#(and (<= 82 proc_a) (<= proc_a 82)), 7777#(and (<= proc_a 84) (<= 84 proc_a)), 7778#(and (<= 86 proc_a) (<= proc_a 86)), 7779#(and (<= 88 proc_a) (<= proc_a 88)), 7780#(and (<= proc_a 90) (<= 90 proc_a)), 7781#(and (<= 92 proc_a) (<= proc_a 92)), 7782#(and (<= proc_a 94) (<= 94 proc_a)), 7783#(and (<= proc_a 96) (<= 96 proc_a)), 7784#(and (<= 98 proc_a) (<= proc_a 98)), 7785#(and (<= proc_a 100) (<= 100 proc_a)), 7786#(and (<= 102 proc_a) (<= proc_a 102)), 7787#(and (<= proc_a 104) (<= 104 proc_a))] [2018-07-23 13:50:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:55,565 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:50:55,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:50:55,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:50:55,566 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 55 states. [2018-07-23 13:50:55,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:55,789 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:50:55,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:50:55,789 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 54 [2018-07-23 13:50:55,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:55,790 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:50:55,790 INFO L226 Difference]: Without dead ends: 56 [2018-07-23 13:50:55,791 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:50:55,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-23 13:50:55,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-07-23 13:50:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-07-23 13:50:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2018-07-23 13:50:55,795 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2018-07-23 13:50:55,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:55,795 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2018-07-23 13:50:55,795 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:50:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2018-07-23 13:50:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-23 13:50:55,796 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:55,796 INFO L357 BasicCegarLoop]: trace histogram [53, 1, 1] [2018-07-23 13:50:55,796 INFO L414 AbstractCegarLoop]: === Iteration 54 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:55,796 INFO L82 PathProgramCache]: Analyzing trace with hash 2117107809, now seen corresponding path program 53 times [2018-07-23 13:50:55,796 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,020 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:56,021 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:50:56,021 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:56,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,021 INFO L185 omatonBuilderFactory]: Interpolants [8064#(and (<= proc_a 96) (<= 96 proc_a)), 8065#(and (<= 98 proc_a) (<= proc_a 98)), 8066#(and (<= proc_a 100) (<= 100 proc_a)), 8067#(and (<= 102 proc_a) (<= proc_a 102)), 8068#(and (<= proc_a 104) (<= 104 proc_a)), 8069#(and (<= 106 proc_a) (<= proc_a 106)), 8014#true, 8015#false, 8016#(and (<= proc_a 0) (<= 0 proc_a)), 8017#(and (<= 2 proc_a) (<= proc_a 2)), 8018#(and (<= 4 proc_a) (<= proc_a 4)), 8019#(and (<= 6 proc_a) (<= proc_a 6)), 8020#(and (<= proc_a 8) (<= 8 proc_a)), 8021#(and (<= 10 proc_a) (<= proc_a 10)), 8022#(and (<= proc_a 12) (<= 12 proc_a)), 8023#(and (<= 14 proc_a) (<= proc_a 14)), 8024#(and (<= proc_a 16) (<= 16 proc_a)), 8025#(and (<= 18 proc_a) (<= proc_a 18)), 8026#(and (<= 20 proc_a) (<= proc_a 20)), 8027#(and (<= 22 proc_a) (<= proc_a 22)), 8028#(and (<= 24 proc_a) (<= proc_a 24)), 8029#(and (<= 26 proc_a) (<= proc_a 26)), 8030#(and (<= proc_a 28) (<= 28 proc_a)), 8031#(and (<= proc_a 30) (<= 30 proc_a)), 8032#(and (<= 32 proc_a) (<= proc_a 32)), 8033#(and (<= 34 proc_a) (<= proc_a 34)), 8034#(and (<= 36 proc_a) (<= proc_a 36)), 8035#(and (<= 38 proc_a) (<= proc_a 38)), 8036#(and (<= 40 proc_a) (<= proc_a 40)), 8037#(and (<= proc_a 42) (<= 42 proc_a)), 8038#(and (<= proc_a 44) (<= 44 proc_a)), 8039#(and (<= proc_a 46) (<= 46 proc_a)), 8040#(and (<= 48 proc_a) (<= proc_a 48)), 8041#(and (<= 50 proc_a) (<= proc_a 50)), 8042#(and (<= 52 proc_a) (<= proc_a 52)), 8043#(and (<= 54 proc_a) (<= proc_a 54)), 8044#(and (<= proc_a 56) (<= 56 proc_a)), 8045#(and (<= proc_a 58) (<= 58 proc_a)), 8046#(and (<= 60 proc_a) (<= proc_a 60)), 8047#(and (<= 62 proc_a) (<= proc_a 62)), 8048#(and (<= 64 proc_a) (<= proc_a 64)), 8049#(and (<= 66 proc_a) (<= proc_a 66)), 8050#(and (<= 68 proc_a) (<= proc_a 68)), 8051#(and (<= proc_a 70) (<= 70 proc_a)), 8052#(and (<= 72 proc_a) (<= proc_a 72)), 8053#(and (<= proc_a 74) (<= 74 proc_a)), 8054#(and (<= proc_a 76) (<= 76 proc_a)), 8055#(and (<= 78 proc_a) (<= proc_a 78)), 8056#(and (<= proc_a 80) (<= 80 proc_a)), 8057#(and (<= 82 proc_a) (<= proc_a 82)), 8058#(and (<= proc_a 84) (<= 84 proc_a)), 8059#(and (<= 86 proc_a) (<= proc_a 86)), 8060#(and (<= 88 proc_a) (<= proc_a 88)), 8061#(and (<= proc_a 90) (<= 90 proc_a)), 8062#(and (<= 92 proc_a) (<= proc_a 92)), 8063#(and (<= proc_a 94) (<= 94 proc_a))] [2018-07-23 13:50:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,022 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:50:56,022 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:50:56,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:50:56,023 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 56 states. [2018-07-23 13:50:56,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:56,246 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-07-23 13:50:56,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:50:56,247 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 55 [2018-07-23 13:50:56,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:56,247 INFO L225 Difference]: With dead ends: 58 [2018-07-23 13:50:56,248 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:50:56,248 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:50:56,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:50:56,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:50:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:50:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:50:56,252 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2018-07-23 13:50:56,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:56,252 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:50:56,253 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:50:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:50:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:50:56,253 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:56,253 INFO L357 BasicCegarLoop]: trace histogram [54, 1, 1] [2018-07-23 13:50:56,253 INFO L414 AbstractCegarLoop]: === Iteration 55 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:56,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1205832583, now seen corresponding path program 54 times [2018-07-23 13:50:56,254 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,452 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:56,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:50:56,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,453 INFO L185 omatonBuilderFactory]: Interpolants [8320#(and (<= 36 proc_a) (<= proc_a 36)), 8321#(and (<= 38 proc_a) (<= proc_a 38)), 8322#(and (<= 40 proc_a) (<= proc_a 40)), 8323#(and (<= proc_a 42) (<= 42 proc_a)), 8324#(and (<= proc_a 44) (<= 44 proc_a)), 8325#(and (<= proc_a 46) (<= 46 proc_a)), 8326#(and (<= 48 proc_a) (<= proc_a 48)), 8327#(and (<= 50 proc_a) (<= proc_a 50)), 8328#(and (<= 52 proc_a) (<= proc_a 52)), 8329#(and (<= 54 proc_a) (<= proc_a 54)), 8330#(and (<= proc_a 56) (<= 56 proc_a)), 8331#(and (<= proc_a 58) (<= 58 proc_a)), 8332#(and (<= 60 proc_a) (<= proc_a 60)), 8333#(and (<= 62 proc_a) (<= proc_a 62)), 8334#(and (<= 64 proc_a) (<= proc_a 64)), 8335#(and (<= 66 proc_a) (<= proc_a 66)), 8336#(and (<= 68 proc_a) (<= proc_a 68)), 8337#(and (<= proc_a 70) (<= 70 proc_a)), 8338#(and (<= 72 proc_a) (<= proc_a 72)), 8339#(and (<= proc_a 74) (<= 74 proc_a)), 8340#(and (<= proc_a 76) (<= 76 proc_a)), 8341#(and (<= 78 proc_a) (<= proc_a 78)), 8342#(and (<= proc_a 80) (<= 80 proc_a)), 8343#(and (<= 82 proc_a) (<= proc_a 82)), 8344#(and (<= proc_a 84) (<= 84 proc_a)), 8345#(and (<= 86 proc_a) (<= proc_a 86)), 8346#(and (<= 88 proc_a) (<= proc_a 88)), 8347#(and (<= proc_a 90) (<= 90 proc_a)), 8348#(and (<= 92 proc_a) (<= proc_a 92)), 8349#(and (<= proc_a 94) (<= 94 proc_a)), 8350#(and (<= proc_a 96) (<= 96 proc_a)), 8351#(and (<= 98 proc_a) (<= proc_a 98)), 8352#(and (<= proc_a 100) (<= 100 proc_a)), 8353#(and (<= 102 proc_a) (<= proc_a 102)), 8354#(and (<= proc_a 104) (<= 104 proc_a)), 8355#(and (<= 106 proc_a) (<= proc_a 106)), 8356#(and (<= proc_a 108) (<= 108 proc_a)), 8300#true, 8301#false, 8302#(and (<= proc_a 0) (<= 0 proc_a)), 8303#(and (<= 2 proc_a) (<= proc_a 2)), 8304#(and (<= 4 proc_a) (<= proc_a 4)), 8305#(and (<= 6 proc_a) (<= proc_a 6)), 8306#(and (<= proc_a 8) (<= 8 proc_a)), 8307#(and (<= 10 proc_a) (<= proc_a 10)), 8308#(and (<= proc_a 12) (<= 12 proc_a)), 8309#(and (<= 14 proc_a) (<= proc_a 14)), 8310#(and (<= proc_a 16) (<= 16 proc_a)), 8311#(and (<= 18 proc_a) (<= proc_a 18)), 8312#(and (<= 20 proc_a) (<= proc_a 20)), 8313#(and (<= 22 proc_a) (<= proc_a 22)), 8314#(and (<= 24 proc_a) (<= proc_a 24)), 8315#(and (<= 26 proc_a) (<= proc_a 26)), 8316#(and (<= proc_a 28) (<= 28 proc_a)), 8317#(and (<= proc_a 30) (<= 30 proc_a)), 8318#(and (<= 32 proc_a) (<= proc_a 32)), 8319#(and (<= 34 proc_a) (<= proc_a 34))] [2018-07-23 13:50:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,453 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:50:56,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:50:56,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:50:56,454 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 57 states. [2018-07-23 13:50:56,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:56,704 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:50:56,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:50:56,704 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 56 [2018-07-23 13:50:56,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:56,705 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:50:56,705 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 13:50:56,706 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:50:56,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 13:50:56,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-07-23 13:50:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-07-23 13:50:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-07-23 13:50:56,710 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-07-23 13:50:56,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:56,710 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-07-23 13:50:56,711 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:50:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-07-23 13:50:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-07-23 13:50:56,713 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:56,713 INFO L357 BasicCegarLoop]: trace histogram [55, 1, 1] [2018-07-23 13:50:56,713 INFO L414 AbstractCegarLoop]: === Iteration 56 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:56,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1273895647, now seen corresponding path program 55 times [2018-07-23 13:50:56,713 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,942 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:56,942 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:50:56,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,943 INFO L185 omatonBuilderFactory]: Interpolants [8591#true, 8592#false, 8593#(and (<= proc_a 0) (<= 0 proc_a)), 8594#(and (<= 2 proc_a) (<= proc_a 2)), 8595#(and (<= 4 proc_a) (<= proc_a 4)), 8596#(and (<= 6 proc_a) (<= proc_a 6)), 8597#(and (<= proc_a 8) (<= 8 proc_a)), 8598#(and (<= 10 proc_a) (<= proc_a 10)), 8599#(and (<= proc_a 12) (<= 12 proc_a)), 8600#(and (<= 14 proc_a) (<= proc_a 14)), 8601#(and (<= proc_a 16) (<= 16 proc_a)), 8602#(and (<= 18 proc_a) (<= proc_a 18)), 8603#(and (<= 20 proc_a) (<= proc_a 20)), 8604#(and (<= 22 proc_a) (<= proc_a 22)), 8605#(and (<= 24 proc_a) (<= proc_a 24)), 8606#(and (<= 26 proc_a) (<= proc_a 26)), 8607#(and (<= proc_a 28) (<= 28 proc_a)), 8608#(and (<= proc_a 30) (<= 30 proc_a)), 8609#(and (<= 32 proc_a) (<= proc_a 32)), 8610#(and (<= 34 proc_a) (<= proc_a 34)), 8611#(and (<= 36 proc_a) (<= proc_a 36)), 8612#(and (<= 38 proc_a) (<= proc_a 38)), 8613#(and (<= 40 proc_a) (<= proc_a 40)), 8614#(and (<= proc_a 42) (<= 42 proc_a)), 8615#(and (<= proc_a 44) (<= 44 proc_a)), 8616#(and (<= proc_a 46) (<= 46 proc_a)), 8617#(and (<= 48 proc_a) (<= proc_a 48)), 8618#(and (<= 50 proc_a) (<= proc_a 50)), 8619#(and (<= 52 proc_a) (<= proc_a 52)), 8620#(and (<= 54 proc_a) (<= proc_a 54)), 8621#(and (<= proc_a 56) (<= 56 proc_a)), 8622#(and (<= proc_a 58) (<= 58 proc_a)), 8623#(and (<= 60 proc_a) (<= proc_a 60)), 8624#(and (<= 62 proc_a) (<= proc_a 62)), 8625#(and (<= 64 proc_a) (<= proc_a 64)), 8626#(and (<= 66 proc_a) (<= proc_a 66)), 8627#(and (<= 68 proc_a) (<= proc_a 68)), 8628#(and (<= proc_a 70) (<= 70 proc_a)), 8629#(and (<= 72 proc_a) (<= proc_a 72)), 8630#(and (<= proc_a 74) (<= 74 proc_a)), 8631#(and (<= proc_a 76) (<= 76 proc_a)), 8632#(and (<= 78 proc_a) (<= proc_a 78)), 8633#(and (<= proc_a 80) (<= 80 proc_a)), 8634#(and (<= 82 proc_a) (<= proc_a 82)), 8635#(and (<= proc_a 84) (<= 84 proc_a)), 8636#(and (<= 86 proc_a) (<= proc_a 86)), 8637#(and (<= 88 proc_a) (<= proc_a 88)), 8638#(and (<= proc_a 90) (<= 90 proc_a)), 8639#(and (<= 92 proc_a) (<= proc_a 92)), 8640#(and (<= proc_a 94) (<= 94 proc_a)), 8641#(and (<= proc_a 96) (<= 96 proc_a)), 8642#(and (<= 98 proc_a) (<= proc_a 98)), 8643#(and (<= proc_a 100) (<= 100 proc_a)), 8644#(and (<= 102 proc_a) (<= proc_a 102)), 8645#(and (<= proc_a 104) (<= 104 proc_a)), 8646#(and (<= 106 proc_a) (<= proc_a 106)), 8647#(and (<= proc_a 108) (<= 108 proc_a)), 8648#(and (<= proc_a 110) (<= 110 proc_a))] [2018-07-23 13:50:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,944 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:50:56,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:50:56,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=3193, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:50:56,945 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 58 states. [2018-07-23 13:50:57,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:57,192 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-07-23 13:50:57,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:50:57,192 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 57 [2018-07-23 13:50:57,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:57,193 INFO L225 Difference]: With dead ends: 60 [2018-07-23 13:50:57,193 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:50:57,193 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=3193, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:50:57,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:50:57,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:50:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:50:57,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:50:57,198 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-07-23 13:50:57,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:57,198 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:50:57,199 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:50:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:50:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:50:57,199 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:57,199 INFO L357 BasicCegarLoop]: trace histogram [56, 1, 1] [2018-07-23 13:50:57,200 INFO L414 AbstractCegarLoop]: === Iteration 57 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:57,200 INFO L82 PathProgramCache]: Analyzing trace with hash -836059449, now seen corresponding path program 56 times [2018-07-23 13:50:57,200 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:57,421 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:57,421 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:50:57,421 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:57,422 INFO L185 omatonBuilderFactory]: Interpolants [8887#true, 8888#false, 8889#(and (<= proc_a 0) (<= 0 proc_a)), 8890#(and (<= 2 proc_a) (<= proc_a 2)), 8891#(and (<= 4 proc_a) (<= proc_a 4)), 8892#(and (<= 6 proc_a) (<= proc_a 6)), 8893#(and (<= proc_a 8) (<= 8 proc_a)), 8894#(and (<= 10 proc_a) (<= proc_a 10)), 8895#(and (<= proc_a 12) (<= 12 proc_a)), 8896#(and (<= 14 proc_a) (<= proc_a 14)), 8897#(and (<= proc_a 16) (<= 16 proc_a)), 8898#(and (<= 18 proc_a) (<= proc_a 18)), 8899#(and (<= 20 proc_a) (<= proc_a 20)), 8900#(and (<= 22 proc_a) (<= proc_a 22)), 8901#(and (<= 24 proc_a) (<= proc_a 24)), 8902#(and (<= 26 proc_a) (<= proc_a 26)), 8903#(and (<= proc_a 28) (<= 28 proc_a)), 8904#(and (<= proc_a 30) (<= 30 proc_a)), 8905#(and (<= 32 proc_a) (<= proc_a 32)), 8906#(and (<= 34 proc_a) (<= proc_a 34)), 8907#(and (<= 36 proc_a) (<= proc_a 36)), 8908#(and (<= 38 proc_a) (<= proc_a 38)), 8909#(and (<= 40 proc_a) (<= proc_a 40)), 8910#(and (<= proc_a 42) (<= 42 proc_a)), 8911#(and (<= proc_a 44) (<= 44 proc_a)), 8912#(and (<= proc_a 46) (<= 46 proc_a)), 8913#(and (<= 48 proc_a) (<= proc_a 48)), 8914#(and (<= 50 proc_a) (<= proc_a 50)), 8915#(and (<= 52 proc_a) (<= proc_a 52)), 8916#(and (<= 54 proc_a) (<= proc_a 54)), 8917#(and (<= proc_a 56) (<= 56 proc_a)), 8918#(and (<= proc_a 58) (<= 58 proc_a)), 8919#(and (<= 60 proc_a) (<= proc_a 60)), 8920#(and (<= 62 proc_a) (<= proc_a 62)), 8921#(and (<= 64 proc_a) (<= proc_a 64)), 8922#(and (<= 66 proc_a) (<= proc_a 66)), 8923#(and (<= 68 proc_a) (<= proc_a 68)), 8924#(and (<= proc_a 70) (<= 70 proc_a)), 8925#(and (<= 72 proc_a) (<= proc_a 72)), 8926#(and (<= proc_a 74) (<= 74 proc_a)), 8927#(and (<= proc_a 76) (<= 76 proc_a)), 8928#(and (<= 78 proc_a) (<= proc_a 78)), 8929#(and (<= proc_a 80) (<= 80 proc_a)), 8930#(and (<= 82 proc_a) (<= proc_a 82)), 8931#(and (<= proc_a 84) (<= 84 proc_a)), 8932#(and (<= 86 proc_a) (<= proc_a 86)), 8933#(and (<= 88 proc_a) (<= proc_a 88)), 8934#(and (<= proc_a 90) (<= 90 proc_a)), 8935#(and (<= 92 proc_a) (<= proc_a 92)), 8936#(and (<= proc_a 94) (<= 94 proc_a)), 8937#(and (<= proc_a 96) (<= 96 proc_a)), 8938#(and (<= 98 proc_a) (<= proc_a 98)), 8939#(and (<= proc_a 100) (<= 100 proc_a)), 8940#(and (<= 102 proc_a) (<= proc_a 102)), 8941#(and (<= proc_a 104) (<= 104 proc_a)), 8942#(and (<= 106 proc_a) (<= proc_a 106)), 8943#(and (<= proc_a 108) (<= 108 proc_a)), 8944#(and (<= proc_a 110) (<= 110 proc_a)), 8945#(and (<= proc_a 112) (<= 112 proc_a))] [2018-07-23 13:50:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:57,422 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:50:57,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:50:57,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:50:57,423 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 59 states. [2018-07-23 13:50:57,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:57,681 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:50:57,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:50:57,681 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 58 [2018-07-23 13:50:57,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:57,682 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:50:57,682 INFO L226 Difference]: Without dead ends: 60 [2018-07-23 13:50:57,683 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:50:57,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-07-23 13:50:57,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-07-23 13:50:57,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-07-23 13:50:57,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-07-23 13:50:57,687 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-07-23 13:50:57,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:57,687 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-07-23 13:50:57,687 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:50:57,687 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-07-23 13:50:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-23 13:50:57,688 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:57,688 INFO L357 BasicCegarLoop]: trace histogram [57, 1, 1] [2018-07-23 13:50:57,688 INFO L414 AbstractCegarLoop]: === Iteration 58 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:57,688 INFO L82 PathProgramCache]: Analyzing trace with hash -148039199, now seen corresponding path program 57 times [2018-07-23 13:50:57,689 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:57,929 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:57,929 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:50:57,929 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:57,930 INFO L185 omatonBuilderFactory]: Interpolants [9216#(and (<= 52 proc_a) (<= proc_a 52)), 9217#(and (<= 54 proc_a) (<= proc_a 54)), 9218#(and (<= proc_a 56) (<= 56 proc_a)), 9219#(and (<= proc_a 58) (<= 58 proc_a)), 9220#(and (<= 60 proc_a) (<= proc_a 60)), 9221#(and (<= 62 proc_a) (<= proc_a 62)), 9222#(and (<= 64 proc_a) (<= proc_a 64)), 9223#(and (<= 66 proc_a) (<= proc_a 66)), 9224#(and (<= 68 proc_a) (<= proc_a 68)), 9225#(and (<= proc_a 70) (<= 70 proc_a)), 9226#(and (<= 72 proc_a) (<= proc_a 72)), 9227#(and (<= proc_a 74) (<= 74 proc_a)), 9228#(and (<= proc_a 76) (<= 76 proc_a)), 9229#(and (<= 78 proc_a) (<= proc_a 78)), 9230#(and (<= proc_a 80) (<= 80 proc_a)), 9231#(and (<= 82 proc_a) (<= proc_a 82)), 9232#(and (<= proc_a 84) (<= 84 proc_a)), 9233#(and (<= 86 proc_a) (<= proc_a 86)), 9234#(and (<= 88 proc_a) (<= proc_a 88)), 9235#(and (<= proc_a 90) (<= 90 proc_a)), 9236#(and (<= 92 proc_a) (<= proc_a 92)), 9237#(and (<= proc_a 94) (<= 94 proc_a)), 9238#(and (<= proc_a 96) (<= 96 proc_a)), 9239#(and (<= 98 proc_a) (<= proc_a 98)), 9240#(and (<= proc_a 100) (<= 100 proc_a)), 9241#(and (<= 102 proc_a) (<= proc_a 102)), 9242#(and (<= proc_a 104) (<= 104 proc_a)), 9243#(and (<= 106 proc_a) (<= proc_a 106)), 9244#(and (<= proc_a 108) (<= 108 proc_a)), 9245#(and (<= proc_a 110) (<= 110 proc_a)), 9246#(and (<= proc_a 112) (<= 112 proc_a)), 9247#(and (<= 114 proc_a) (<= proc_a 114)), 9188#true, 9189#false, 9190#(and (<= proc_a 0) (<= 0 proc_a)), 9191#(and (<= 2 proc_a) (<= proc_a 2)), 9192#(and (<= 4 proc_a) (<= proc_a 4)), 9193#(and (<= 6 proc_a) (<= proc_a 6)), 9194#(and (<= proc_a 8) (<= 8 proc_a)), 9195#(and (<= 10 proc_a) (<= proc_a 10)), 9196#(and (<= proc_a 12) (<= 12 proc_a)), 9197#(and (<= 14 proc_a) (<= proc_a 14)), 9198#(and (<= proc_a 16) (<= 16 proc_a)), 9199#(and (<= 18 proc_a) (<= proc_a 18)), 9200#(and (<= 20 proc_a) (<= proc_a 20)), 9201#(and (<= 22 proc_a) (<= proc_a 22)), 9202#(and (<= 24 proc_a) (<= proc_a 24)), 9203#(and (<= 26 proc_a) (<= proc_a 26)), 9204#(and (<= proc_a 28) (<= 28 proc_a)), 9205#(and (<= proc_a 30) (<= 30 proc_a)), 9206#(and (<= 32 proc_a) (<= proc_a 32)), 9207#(and (<= 34 proc_a) (<= proc_a 34)), 9208#(and (<= 36 proc_a) (<= proc_a 36)), 9209#(and (<= 38 proc_a) (<= proc_a 38)), 9210#(and (<= 40 proc_a) (<= proc_a 40)), 9211#(and (<= proc_a 42) (<= 42 proc_a)), 9212#(and (<= proc_a 44) (<= 44 proc_a)), 9213#(and (<= proc_a 46) (<= 46 proc_a)), 9214#(and (<= 48 proc_a) (<= proc_a 48)), 9215#(and (<= 50 proc_a) (<= proc_a 50))] [2018-07-23 13:50:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:57,931 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:50:57,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:50:57,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=3423, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:50:57,932 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 60 states. [2018-07-23 13:50:58,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:58,203 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-07-23 13:50:58,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:50:58,203 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 59 [2018-07-23 13:50:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:58,204 INFO L225 Difference]: With dead ends: 62 [2018-07-23 13:50:58,204 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:50:58,205 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=3423, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:50:58,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:50:58,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:50:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:50:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:50:58,210 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-07-23 13:50:58,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:58,210 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:50:58,210 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:50:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:50:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:50:58,211 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:58,211 INFO L357 BasicCegarLoop]: trace histogram [58, 1, 1] [2018-07-23 13:50:58,212 INFO L414 AbstractCegarLoop]: === Iteration 59 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:58,212 INFO L82 PathProgramCache]: Analyzing trace with hash -294247929, now seen corresponding path program 58 times [2018-07-23 13:50:58,212 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:58,535 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:58,536 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:50:58,536 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:58,537 INFO L185 omatonBuilderFactory]: Interpolants [9494#true, 9495#false, 9496#(and (<= proc_a 0) (<= 0 proc_a)), 9497#(and (<= 2 proc_a) (<= proc_a 2)), 9498#(and (<= 4 proc_a) (<= proc_a 4)), 9499#(and (<= 6 proc_a) (<= proc_a 6)), 9500#(and (<= proc_a 8) (<= 8 proc_a)), 9501#(and (<= 10 proc_a) (<= proc_a 10)), 9502#(and (<= proc_a 12) (<= 12 proc_a)), 9503#(and (<= 14 proc_a) (<= proc_a 14)), 9504#(and (<= proc_a 16) (<= 16 proc_a)), 9505#(and (<= 18 proc_a) (<= proc_a 18)), 9506#(and (<= 20 proc_a) (<= proc_a 20)), 9507#(and (<= 22 proc_a) (<= proc_a 22)), 9508#(and (<= 24 proc_a) (<= proc_a 24)), 9509#(and (<= 26 proc_a) (<= proc_a 26)), 9510#(and (<= proc_a 28) (<= 28 proc_a)), 9511#(and (<= proc_a 30) (<= 30 proc_a)), 9512#(and (<= 32 proc_a) (<= proc_a 32)), 9513#(and (<= 34 proc_a) (<= proc_a 34)), 9514#(and (<= 36 proc_a) (<= proc_a 36)), 9515#(and (<= 38 proc_a) (<= proc_a 38)), 9516#(and (<= 40 proc_a) (<= proc_a 40)), 9517#(and (<= proc_a 42) (<= 42 proc_a)), 9518#(and (<= proc_a 44) (<= 44 proc_a)), 9519#(and (<= proc_a 46) (<= 46 proc_a)), 9520#(and (<= 48 proc_a) (<= proc_a 48)), 9521#(and (<= 50 proc_a) (<= proc_a 50)), 9522#(and (<= 52 proc_a) (<= proc_a 52)), 9523#(and (<= 54 proc_a) (<= proc_a 54)), 9524#(and (<= proc_a 56) (<= 56 proc_a)), 9525#(and (<= proc_a 58) (<= 58 proc_a)), 9526#(and (<= 60 proc_a) (<= proc_a 60)), 9527#(and (<= 62 proc_a) (<= proc_a 62)), 9528#(and (<= 64 proc_a) (<= proc_a 64)), 9529#(and (<= 66 proc_a) (<= proc_a 66)), 9530#(and (<= 68 proc_a) (<= proc_a 68)), 9531#(and (<= proc_a 70) (<= 70 proc_a)), 9532#(and (<= 72 proc_a) (<= proc_a 72)), 9533#(and (<= proc_a 74) (<= 74 proc_a)), 9534#(and (<= proc_a 76) (<= 76 proc_a)), 9535#(and (<= 78 proc_a) (<= proc_a 78)), 9536#(and (<= proc_a 80) (<= 80 proc_a)), 9537#(and (<= 82 proc_a) (<= proc_a 82)), 9538#(and (<= proc_a 84) (<= 84 proc_a)), 9539#(and (<= 86 proc_a) (<= proc_a 86)), 9540#(and (<= 88 proc_a) (<= proc_a 88)), 9541#(and (<= proc_a 90) (<= 90 proc_a)), 9542#(and (<= 92 proc_a) (<= proc_a 92)), 9543#(and (<= proc_a 94) (<= 94 proc_a)), 9544#(and (<= proc_a 96) (<= 96 proc_a)), 9545#(and (<= 98 proc_a) (<= proc_a 98)), 9546#(and (<= proc_a 100) (<= 100 proc_a)), 9547#(and (<= 102 proc_a) (<= proc_a 102)), 9548#(and (<= proc_a 104) (<= 104 proc_a)), 9549#(and (<= 106 proc_a) (<= proc_a 106)), 9550#(and (<= proc_a 108) (<= 108 proc_a)), 9551#(and (<= proc_a 110) (<= 110 proc_a)), 9552#(and (<= proc_a 112) (<= 112 proc_a)), 9553#(and (<= 114 proc_a) (<= proc_a 114)), 9554#(and (<= 116 proc_a) (<= proc_a 116))] [2018-07-23 13:50:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:58,537 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:50:58,538 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:50:58,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=3541, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:50:58,539 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 61 states. [2018-07-23 13:50:58,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:58,839 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:50:58,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:50:58,839 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 60 [2018-07-23 13:50:58,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:58,840 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:50:58,840 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 13:50:58,841 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=3541, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:50:58,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 13:50:58,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-07-23 13:50:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-07-23 13:50:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-07-23 13:50:58,845 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-07-23 13:50:58,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:58,845 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-07-23 13:50:58,845 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:50:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-07-23 13:50:58,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-23 13:50:58,846 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:58,846 INFO L357 BasicCegarLoop]: trace histogram [59, 1, 1] [2018-07-23 13:50:58,846 INFO L414 AbstractCegarLoop]: === Iteration 60 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:58,847 INFO L82 PathProgramCache]: Analyzing trace with hash -531751263, now seen corresponding path program 59 times [2018-07-23 13:50:58,847 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,038 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:59,039 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:50:59,039 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:59,039 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 13:50:59,039 INFO L185 omatonBuilderFactory]: Interpolants [9856#(and (<= 98 proc_a) (<= proc_a 98)), 9857#(and (<= proc_a 100) (<= 100 proc_a)), 9858#(and (<= 102 proc_a) (<= proc_a 102)), 9859#(and (<= proc_a 104) (<= 104 proc_a)), 9860#(and (<= 106 proc_a) (<= proc_a 106)), 9861#(and (<= proc_a 108) (<= 108 proc_a)), 9862#(and (<= proc_a 110) (<= 110 proc_a)), 9863#(and (<= proc_a 112) (<= 112 proc_a)), 9864#(and (<= 114 proc_a) (<= proc_a 114)), 9865#(and (<= 116 proc_a) (<= proc_a 116)), 9866#(and (<= proc_a 118) (<= 118 proc_a)), 9805#true, 9806#false, 9807#(and (<= proc_a 0) (<= 0 proc_a)), 9808#(and (<= 2 proc_a) (<= proc_a 2)), 9809#(and (<= 4 proc_a) (<= proc_a 4)), 9810#(and (<= 6 proc_a) (<= proc_a 6)), 9811#(and (<= proc_a 8) (<= 8 proc_a)), 9812#(and (<= 10 proc_a) (<= proc_a 10)), 9813#(and (<= proc_a 12) (<= 12 proc_a)), 9814#(and (<= 14 proc_a) (<= proc_a 14)), 9815#(and (<= proc_a 16) (<= 16 proc_a)), 9816#(and (<= 18 proc_a) (<= proc_a 18)), 9817#(and (<= 20 proc_a) (<= proc_a 20)), 9818#(and (<= 22 proc_a) (<= proc_a 22)), 9819#(and (<= 24 proc_a) (<= proc_a 24)), 9820#(and (<= 26 proc_a) (<= proc_a 26)), 9821#(and (<= proc_a 28) (<= 28 proc_a)), 9822#(and (<= proc_a 30) (<= 30 proc_a)), 9823#(and (<= 32 proc_a) (<= proc_a 32)), 9824#(and (<= 34 proc_a) (<= proc_a 34)), 9825#(and (<= 36 proc_a) (<= proc_a 36)), 9826#(and (<= 38 proc_a) (<= proc_a 38)), 9827#(and (<= 40 proc_a) (<= proc_a 40)), 9828#(and (<= proc_a 42) (<= 42 proc_a)), 9829#(and (<= proc_a 44) (<= 44 proc_a)), 9830#(and (<= proc_a 46) (<= 46 proc_a)), 9831#(and (<= 48 proc_a) (<= proc_a 48)), 9832#(and (<= 50 proc_a) (<= proc_a 50)), 9833#(and (<= 52 proc_a) (<= proc_a 52)), 9834#(and (<= 54 proc_a) (<= proc_a 54)), 9835#(and (<= proc_a 56) (<= 56 proc_a)), 9836#(and (<= proc_a 58) (<= 58 proc_a)), 9837#(and (<= 60 proc_a) (<= proc_a 60)), 9838#(and (<= 62 proc_a) (<= proc_a 62)), 9839#(and (<= 64 proc_a) (<= proc_a 64)), 9840#(and (<= 66 proc_a) (<= proc_a 66)), 9841#(and (<= 68 proc_a) (<= proc_a 68)), 9842#(and (<= proc_a 70) (<= 70 proc_a)), 9843#(and (<= 72 proc_a) (<= proc_a 72)), 9844#(and (<= proc_a 74) (<= 74 proc_a)), 9845#(and (<= proc_a 76) (<= 76 proc_a)), 9846#(and (<= 78 proc_a) (<= proc_a 78)), 9847#(and (<= proc_a 80) (<= 80 proc_a)), 9848#(and (<= 82 proc_a) (<= proc_a 82)), 9849#(and (<= proc_a 84) (<= 84 proc_a)), 9850#(and (<= 86 proc_a) (<= proc_a 86)), 9851#(and (<= 88 proc_a) (<= proc_a 88)), 9852#(and (<= proc_a 90) (<= 90 proc_a)), 9853#(and (<= 92 proc_a) (<= proc_a 92)), 9854#(and (<= proc_a 94) (<= 94 proc_a)), 9855#(and (<= proc_a 96) (<= 96 proc_a))] [2018-07-23 13:50:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,040 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:50:59,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:50:59,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:50:59,041 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 62 states. [2018-07-23 13:50:59,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:59,247 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-07-23 13:50:59,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:50:59,247 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 61 [2018-07-23 13:50:59,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:59,248 INFO L225 Difference]: With dead ends: 64 [2018-07-23 13:50:59,248 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:50:59,248 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:50:59,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:50:59,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:50:59,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:50:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:50:59,253 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-07-23 13:50:59,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:59,253 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:50:59,253 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:50:59,254 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:50:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:50:59,254 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:59,254 INFO L357 BasicCegarLoop]: trace histogram [60, 1, 1] [2018-07-23 13:50:59,254 INFO L414 AbstractCegarLoop]: === Iteration 61 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:59,255 INFO L82 PathProgramCache]: Analyzing trace with hash 695579975, now seen corresponding path program 60 times [2018-07-23 13:50:59,255 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,462 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:59,462 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:50:59,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,463 INFO L185 omatonBuilderFactory]: Interpolants [10121#true, 10122#false, 10123#(and (<= proc_a 0) (<= 0 proc_a)), 10124#(and (<= 2 proc_a) (<= proc_a 2)), 10125#(and (<= 4 proc_a) (<= proc_a 4)), 10126#(and (<= 6 proc_a) (<= proc_a 6)), 10127#(and (<= proc_a 8) (<= 8 proc_a)), 10128#(and (<= 10 proc_a) (<= proc_a 10)), 10129#(and (<= proc_a 12) (<= 12 proc_a)), 10130#(and (<= 14 proc_a) (<= proc_a 14)), 10131#(and (<= proc_a 16) (<= 16 proc_a)), 10132#(and (<= 18 proc_a) (<= proc_a 18)), 10133#(and (<= 20 proc_a) (<= proc_a 20)), 10134#(and (<= 22 proc_a) (<= proc_a 22)), 10135#(and (<= 24 proc_a) (<= proc_a 24)), 10136#(and (<= 26 proc_a) (<= proc_a 26)), 10137#(and (<= proc_a 28) (<= 28 proc_a)), 10138#(and (<= proc_a 30) (<= 30 proc_a)), 10139#(and (<= 32 proc_a) (<= proc_a 32)), 10140#(and (<= 34 proc_a) (<= proc_a 34)), 10141#(and (<= 36 proc_a) (<= proc_a 36)), 10142#(and (<= 38 proc_a) (<= proc_a 38)), 10143#(and (<= 40 proc_a) (<= proc_a 40)), 10144#(and (<= proc_a 42) (<= 42 proc_a)), 10145#(and (<= proc_a 44) (<= 44 proc_a)), 10146#(and (<= proc_a 46) (<= 46 proc_a)), 10147#(and (<= 48 proc_a) (<= proc_a 48)), 10148#(and (<= 50 proc_a) (<= proc_a 50)), 10149#(and (<= 52 proc_a) (<= proc_a 52)), 10150#(and (<= 54 proc_a) (<= proc_a 54)), 10151#(and (<= proc_a 56) (<= 56 proc_a)), 10152#(and (<= proc_a 58) (<= 58 proc_a)), 10153#(and (<= 60 proc_a) (<= proc_a 60)), 10154#(and (<= 62 proc_a) (<= proc_a 62)), 10155#(and (<= 64 proc_a) (<= proc_a 64)), 10156#(and (<= 66 proc_a) (<= proc_a 66)), 10157#(and (<= 68 proc_a) (<= proc_a 68)), 10158#(and (<= proc_a 70) (<= 70 proc_a)), 10159#(and (<= 72 proc_a) (<= proc_a 72)), 10160#(and (<= proc_a 74) (<= 74 proc_a)), 10161#(and (<= proc_a 76) (<= 76 proc_a)), 10162#(and (<= 78 proc_a) (<= proc_a 78)), 10163#(and (<= proc_a 80) (<= 80 proc_a)), 10164#(and (<= 82 proc_a) (<= proc_a 82)), 10165#(and (<= proc_a 84) (<= 84 proc_a)), 10166#(and (<= 86 proc_a) (<= proc_a 86)), 10167#(and (<= 88 proc_a) (<= proc_a 88)), 10168#(and (<= proc_a 90) (<= 90 proc_a)), 10169#(and (<= 92 proc_a) (<= proc_a 92)), 10170#(and (<= proc_a 94) (<= 94 proc_a)), 10171#(and (<= proc_a 96) (<= 96 proc_a)), 10172#(and (<= 98 proc_a) (<= proc_a 98)), 10173#(and (<= proc_a 100) (<= 100 proc_a)), 10174#(and (<= 102 proc_a) (<= proc_a 102)), 10175#(and (<= proc_a 104) (<= 104 proc_a)), 10176#(and (<= 106 proc_a) (<= proc_a 106)), 10177#(and (<= proc_a 108) (<= 108 proc_a)), 10178#(and (<= proc_a 110) (<= 110 proc_a)), 10179#(and (<= proc_a 112) (<= 112 proc_a)), 10180#(and (<= 114 proc_a) (<= proc_a 114)), 10181#(and (<= 116 proc_a) (<= proc_a 116)), 10182#(and (<= proc_a 118) (<= 118 proc_a)), 10183#(and (<= 120 proc_a) (<= proc_a 120))] [2018-07-23 13:50:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,463 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:50:59,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:50:59,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:50:59,464 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 63 states. [2018-07-23 13:50:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:59,678 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:50:59,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:50:59,679 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 62 [2018-07-23 13:50:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:59,679 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:50:59,679 INFO L226 Difference]: Without dead ends: 64 [2018-07-23 13:50:59,680 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:50:59,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-07-23 13:50:59,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-07-23 13:50:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-23 13:50:59,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-07-23 13:50:59,685 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-07-23 13:50:59,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:59,685 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-07-23 13:50:59,685 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:50:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-07-23 13:50:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-23 13:50:59,686 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:59,686 INFO L357 BasicCegarLoop]: trace histogram [61, 1, 1] [2018-07-23 13:50:59,686 INFO L414 AbstractCegarLoop]: === Iteration 62 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:50:59,686 INFO L82 PathProgramCache]: Analyzing trace with hash 88142689, now seen corresponding path program 61 times [2018-07-23 13:50:59,686 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,901 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:59,902 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:50:59,902 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,902 INFO L185 omatonBuilderFactory]: Interpolants [10496#(and (<= proc_a 104) (<= 104 proc_a)), 10497#(and (<= 106 proc_a) (<= proc_a 106)), 10498#(and (<= proc_a 108) (<= 108 proc_a)), 10499#(and (<= proc_a 110) (<= 110 proc_a)), 10500#(and (<= proc_a 112) (<= 112 proc_a)), 10501#(and (<= 114 proc_a) (<= proc_a 114)), 10502#(and (<= 116 proc_a) (<= proc_a 116)), 10503#(and (<= proc_a 118) (<= 118 proc_a)), 10504#(and (<= 120 proc_a) (<= proc_a 120)), 10505#(and (<= proc_a 122) (<= 122 proc_a)), 10442#true, 10443#false, 10444#(and (<= proc_a 0) (<= 0 proc_a)), 10445#(and (<= 2 proc_a) (<= proc_a 2)), 10446#(and (<= 4 proc_a) (<= proc_a 4)), 10447#(and (<= 6 proc_a) (<= proc_a 6)), 10448#(and (<= proc_a 8) (<= 8 proc_a)), 10449#(and (<= 10 proc_a) (<= proc_a 10)), 10450#(and (<= proc_a 12) (<= 12 proc_a)), 10451#(and (<= 14 proc_a) (<= proc_a 14)), 10452#(and (<= proc_a 16) (<= 16 proc_a)), 10453#(and (<= 18 proc_a) (<= proc_a 18)), 10454#(and (<= 20 proc_a) (<= proc_a 20)), 10455#(and (<= 22 proc_a) (<= proc_a 22)), 10456#(and (<= 24 proc_a) (<= proc_a 24)), 10457#(and (<= 26 proc_a) (<= proc_a 26)), 10458#(and (<= proc_a 28) (<= 28 proc_a)), 10459#(and (<= proc_a 30) (<= 30 proc_a)), 10460#(and (<= 32 proc_a) (<= proc_a 32)), 10461#(and (<= 34 proc_a) (<= proc_a 34)), 10462#(and (<= 36 proc_a) (<= proc_a 36)), 10463#(and (<= 38 proc_a) (<= proc_a 38)), 10464#(and (<= 40 proc_a) (<= proc_a 40)), 10465#(and (<= proc_a 42) (<= 42 proc_a)), 10466#(and (<= proc_a 44) (<= 44 proc_a)), 10467#(and (<= proc_a 46) (<= 46 proc_a)), 10468#(and (<= 48 proc_a) (<= proc_a 48)), 10469#(and (<= 50 proc_a) (<= proc_a 50)), 10470#(and (<= 52 proc_a) (<= proc_a 52)), 10471#(and (<= 54 proc_a) (<= proc_a 54)), 10472#(and (<= proc_a 56) (<= 56 proc_a)), 10473#(and (<= proc_a 58) (<= 58 proc_a)), 10474#(and (<= 60 proc_a) (<= proc_a 60)), 10475#(and (<= 62 proc_a) (<= proc_a 62)), 10476#(and (<= 64 proc_a) (<= proc_a 64)), 10477#(and (<= 66 proc_a) (<= proc_a 66)), 10478#(and (<= 68 proc_a) (<= proc_a 68)), 10479#(and (<= proc_a 70) (<= 70 proc_a)), 10480#(and (<= 72 proc_a) (<= proc_a 72)), 10481#(and (<= proc_a 74) (<= 74 proc_a)), 10482#(and (<= proc_a 76) (<= 76 proc_a)), 10483#(and (<= 78 proc_a) (<= proc_a 78)), 10484#(and (<= proc_a 80) (<= 80 proc_a)), 10485#(and (<= 82 proc_a) (<= proc_a 82)), 10486#(and (<= proc_a 84) (<= 84 proc_a)), 10487#(and (<= 86 proc_a) (<= proc_a 86)), 10488#(and (<= 88 proc_a) (<= proc_a 88)), 10489#(and (<= proc_a 90) (<= 90 proc_a)), 10490#(and (<= 92 proc_a) (<= proc_a 92)), 10491#(and (<= proc_a 94) (<= 94 proc_a)), 10492#(and (<= proc_a 96) (<= 96 proc_a)), 10493#(and (<= 98 proc_a) (<= proc_a 98)), 10494#(and (<= proc_a 100) (<= 100 proc_a)), 10495#(and (<= 102 proc_a) (<= proc_a 102))] [2018-07-23 13:50:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,903 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:50:59,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:50:59,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=3907, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:50:59,904 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 64 states. [2018-07-23 13:51:00,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:00,172 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-07-23 13:51:00,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:51:00,172 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 63 [2018-07-23 13:51:00,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:00,173 INFO L225 Difference]: With dead ends: 66 [2018-07-23 13:51:00,173 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:51:00,174 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=3907, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:51:00,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:51:00,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:51:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:51:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:51:00,178 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-07-23 13:51:00,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:00,179 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:51:00,179 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:51:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:51:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:51:00,179 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:00,180 INFO L357 BasicCegarLoop]: trace histogram [62, 1, 1] [2018-07-23 13:51:00,180 INFO L414 AbstractCegarLoop]: === Iteration 63 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:00,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1562543993, now seen corresponding path program 62 times [2018-07-23 13:51:00,180 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:00,402 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:00,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:51:00,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:00,403 INFO L185 omatonBuilderFactory]: Interpolants [10768#true, 10769#false, 10770#(and (<= proc_a 0) (<= 0 proc_a)), 10771#(and (<= 2 proc_a) (<= proc_a 2)), 10772#(and (<= 4 proc_a) (<= proc_a 4)), 10773#(and (<= 6 proc_a) (<= proc_a 6)), 10774#(and (<= proc_a 8) (<= 8 proc_a)), 10775#(and (<= 10 proc_a) (<= proc_a 10)), 10776#(and (<= proc_a 12) (<= 12 proc_a)), 10777#(and (<= 14 proc_a) (<= proc_a 14)), 10778#(and (<= proc_a 16) (<= 16 proc_a)), 10779#(and (<= 18 proc_a) (<= proc_a 18)), 10780#(and (<= 20 proc_a) (<= proc_a 20)), 10781#(and (<= 22 proc_a) (<= proc_a 22)), 10782#(and (<= 24 proc_a) (<= proc_a 24)), 10783#(and (<= 26 proc_a) (<= proc_a 26)), 10784#(and (<= proc_a 28) (<= 28 proc_a)), 10785#(and (<= proc_a 30) (<= 30 proc_a)), 10786#(and (<= 32 proc_a) (<= proc_a 32)), 10787#(and (<= 34 proc_a) (<= proc_a 34)), 10788#(and (<= 36 proc_a) (<= proc_a 36)), 10789#(and (<= 38 proc_a) (<= proc_a 38)), 10790#(and (<= 40 proc_a) (<= proc_a 40)), 10791#(and (<= proc_a 42) (<= 42 proc_a)), 10792#(and (<= proc_a 44) (<= 44 proc_a)), 10793#(and (<= proc_a 46) (<= 46 proc_a)), 10794#(and (<= 48 proc_a) (<= proc_a 48)), 10795#(and (<= 50 proc_a) (<= proc_a 50)), 10796#(and (<= 52 proc_a) (<= proc_a 52)), 10797#(and (<= 54 proc_a) (<= proc_a 54)), 10798#(and (<= proc_a 56) (<= 56 proc_a)), 10799#(and (<= proc_a 58) (<= 58 proc_a)), 10800#(and (<= 60 proc_a) (<= proc_a 60)), 10801#(and (<= 62 proc_a) (<= proc_a 62)), 10802#(and (<= 64 proc_a) (<= proc_a 64)), 10803#(and (<= 66 proc_a) (<= proc_a 66)), 10804#(and (<= 68 proc_a) (<= proc_a 68)), 10805#(and (<= proc_a 70) (<= 70 proc_a)), 10806#(and (<= 72 proc_a) (<= proc_a 72)), 10807#(and (<= proc_a 74) (<= 74 proc_a)), 10808#(and (<= proc_a 76) (<= 76 proc_a)), 10809#(and (<= 78 proc_a) (<= proc_a 78)), 10810#(and (<= proc_a 80) (<= 80 proc_a)), 10811#(and (<= 82 proc_a) (<= proc_a 82)), 10812#(and (<= proc_a 84) (<= 84 proc_a)), 10813#(and (<= 86 proc_a) (<= proc_a 86)), 10814#(and (<= 88 proc_a) (<= proc_a 88)), 10815#(and (<= proc_a 90) (<= 90 proc_a)), 10816#(and (<= 92 proc_a) (<= proc_a 92)), 10817#(and (<= proc_a 94) (<= 94 proc_a)), 10818#(and (<= proc_a 96) (<= 96 proc_a)), 10819#(and (<= 98 proc_a) (<= proc_a 98)), 10820#(and (<= proc_a 100) (<= 100 proc_a)), 10821#(and (<= 102 proc_a) (<= proc_a 102)), 10822#(and (<= proc_a 104) (<= 104 proc_a)), 10823#(and (<= 106 proc_a) (<= proc_a 106)), 10824#(and (<= proc_a 108) (<= 108 proc_a)), 10825#(and (<= proc_a 110) (<= 110 proc_a)), 10826#(and (<= proc_a 112) (<= 112 proc_a)), 10827#(and (<= 114 proc_a) (<= proc_a 114)), 10828#(and (<= 116 proc_a) (<= proc_a 116)), 10829#(and (<= proc_a 118) (<= 118 proc_a)), 10830#(and (<= 120 proc_a) (<= proc_a 120)), 10831#(and (<= proc_a 122) (<= 122 proc_a)), 10832#(and (<= proc_a 124) (<= 124 proc_a))] [2018-07-23 13:51:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:00,404 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:51:00,404 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:51:00,404 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:51:00,404 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 65 states. [2018-07-23 13:51:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:00,644 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:51:00,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:51:00,644 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 64 [2018-07-23 13:51:00,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:00,645 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:51:00,645 INFO L226 Difference]: Without dead ends: 66 [2018-07-23 13:51:00,646 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:51:00,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-07-23 13:51:00,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-07-23 13:51:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-07-23 13:51:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-07-23 13:51:00,650 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-07-23 13:51:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:00,650 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-07-23 13:51:00,650 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:51:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-07-23 13:51:00,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-23 13:51:00,651 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:00,651 INFO L357 BasicCegarLoop]: trace histogram [63, 1, 1] [2018-07-23 13:51:00,651 INFO L414 AbstractCegarLoop]: === Iteration 64 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:00,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1194223583, now seen corresponding path program 63 times [2018-07-23 13:51:00,652 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:00,962 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:00,962 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:51:00,962 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:00,963 INFO L185 omatonBuilderFactory]: Interpolants [11136#(and (<= proc_a 70) (<= 70 proc_a)), 11137#(and (<= 72 proc_a) (<= proc_a 72)), 11138#(and (<= proc_a 74) (<= 74 proc_a)), 11139#(and (<= proc_a 76) (<= 76 proc_a)), 11140#(and (<= 78 proc_a) (<= proc_a 78)), 11141#(and (<= proc_a 80) (<= 80 proc_a)), 11142#(and (<= 82 proc_a) (<= proc_a 82)), 11143#(and (<= proc_a 84) (<= 84 proc_a)), 11144#(and (<= 86 proc_a) (<= proc_a 86)), 11145#(and (<= 88 proc_a) (<= proc_a 88)), 11146#(and (<= proc_a 90) (<= 90 proc_a)), 11147#(and (<= 92 proc_a) (<= proc_a 92)), 11148#(and (<= proc_a 94) (<= 94 proc_a)), 11149#(and (<= proc_a 96) (<= 96 proc_a)), 11150#(and (<= 98 proc_a) (<= proc_a 98)), 11151#(and (<= proc_a 100) (<= 100 proc_a)), 11152#(and (<= 102 proc_a) (<= proc_a 102)), 11153#(and (<= proc_a 104) (<= 104 proc_a)), 11154#(and (<= 106 proc_a) (<= proc_a 106)), 11155#(and (<= proc_a 108) (<= 108 proc_a)), 11156#(and (<= proc_a 110) (<= 110 proc_a)), 11157#(and (<= proc_a 112) (<= 112 proc_a)), 11158#(and (<= 114 proc_a) (<= proc_a 114)), 11159#(and (<= 116 proc_a) (<= proc_a 116)), 11160#(and (<= proc_a 118) (<= 118 proc_a)), 11161#(and (<= 120 proc_a) (<= proc_a 120)), 11162#(and (<= proc_a 122) (<= 122 proc_a)), 11163#(and (<= proc_a 124) (<= 124 proc_a)), 11164#(and (<= proc_a 126) (<= 126 proc_a)), 11099#true, 11100#false, 11101#(and (<= proc_a 0) (<= 0 proc_a)), 11102#(and (<= 2 proc_a) (<= proc_a 2)), 11103#(and (<= 4 proc_a) (<= proc_a 4)), 11104#(and (<= 6 proc_a) (<= proc_a 6)), 11105#(and (<= proc_a 8) (<= 8 proc_a)), 11106#(and (<= 10 proc_a) (<= proc_a 10)), 11107#(and (<= proc_a 12) (<= 12 proc_a)), 11108#(and (<= 14 proc_a) (<= proc_a 14)), 11109#(and (<= proc_a 16) (<= 16 proc_a)), 11110#(and (<= 18 proc_a) (<= proc_a 18)), 11111#(and (<= 20 proc_a) (<= proc_a 20)), 11112#(and (<= 22 proc_a) (<= proc_a 22)), 11113#(and (<= 24 proc_a) (<= proc_a 24)), 11114#(and (<= 26 proc_a) (<= proc_a 26)), 11115#(and (<= proc_a 28) (<= 28 proc_a)), 11116#(and (<= proc_a 30) (<= 30 proc_a)), 11117#(and (<= 32 proc_a) (<= proc_a 32)), 11118#(and (<= 34 proc_a) (<= proc_a 34)), 11119#(and (<= 36 proc_a) (<= proc_a 36)), 11120#(and (<= 38 proc_a) (<= proc_a 38)), 11121#(and (<= 40 proc_a) (<= proc_a 40)), 11122#(and (<= proc_a 42) (<= 42 proc_a)), 11123#(and (<= proc_a 44) (<= 44 proc_a)), 11124#(and (<= proc_a 46) (<= 46 proc_a)), 11125#(and (<= 48 proc_a) (<= proc_a 48)), 11126#(and (<= 50 proc_a) (<= proc_a 50)), 11127#(and (<= 52 proc_a) (<= proc_a 52)), 11128#(and (<= 54 proc_a) (<= proc_a 54)), 11129#(and (<= proc_a 56) (<= 56 proc_a)), 11130#(and (<= proc_a 58) (<= 58 proc_a)), 11131#(and (<= 60 proc_a) (<= proc_a 60)), 11132#(and (<= 62 proc_a) (<= proc_a 62)), 11133#(and (<= 64 proc_a) (<= proc_a 64)), 11134#(and (<= 66 proc_a) (<= proc_a 66)), 11135#(and (<= 68 proc_a) (<= proc_a 68))] [2018-07-23 13:51:00,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:00,963 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:51:00,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:51:00,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=4161, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:51:00,964 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 66 states. [2018-07-23 13:51:01,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:01,172 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-07-23 13:51:01,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:51:01,173 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 65 [2018-07-23 13:51:01,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:01,173 INFO L225 Difference]: With dead ends: 68 [2018-07-23 13:51:01,173 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:51:01,174 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=4161, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:51:01,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:51:01,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:51:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:51:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:51:01,181 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-07-23 13:51:01,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:01,181 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:51:01,181 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:51:01,181 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:51:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:51:01,182 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:01,182 INFO L357 BasicCegarLoop]: trace histogram [64, 1, 1] [2018-07-23 13:51:01,182 INFO L414 AbstractCegarLoop]: === Iteration 65 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:01,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1633774535, now seen corresponding path program 64 times [2018-07-23 13:51:01,182 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:01,432 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:01,432 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:51:01,432 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:01,433 INFO L185 omatonBuilderFactory]: Interpolants [11435#true, 11436#false, 11437#(and (<= proc_a 0) (<= 0 proc_a)), 11438#(and (<= 2 proc_a) (<= proc_a 2)), 11439#(and (<= 4 proc_a) (<= proc_a 4)), 11440#(and (<= 6 proc_a) (<= proc_a 6)), 11441#(and (<= proc_a 8) (<= 8 proc_a)), 11442#(and (<= 10 proc_a) (<= proc_a 10)), 11443#(and (<= proc_a 12) (<= 12 proc_a)), 11444#(and (<= 14 proc_a) (<= proc_a 14)), 11445#(and (<= proc_a 16) (<= 16 proc_a)), 11446#(and (<= 18 proc_a) (<= proc_a 18)), 11447#(and (<= 20 proc_a) (<= proc_a 20)), 11448#(and (<= 22 proc_a) (<= proc_a 22)), 11449#(and (<= 24 proc_a) (<= proc_a 24)), 11450#(and (<= 26 proc_a) (<= proc_a 26)), 11451#(and (<= proc_a 28) (<= 28 proc_a)), 11452#(and (<= proc_a 30) (<= 30 proc_a)), 11453#(and (<= 32 proc_a) (<= proc_a 32)), 11454#(and (<= 34 proc_a) (<= proc_a 34)), 11455#(and (<= 36 proc_a) (<= proc_a 36)), 11456#(and (<= 38 proc_a) (<= proc_a 38)), 11457#(and (<= 40 proc_a) (<= proc_a 40)), 11458#(and (<= proc_a 42) (<= 42 proc_a)), 11459#(and (<= proc_a 44) (<= 44 proc_a)), 11460#(and (<= proc_a 46) (<= 46 proc_a)), 11461#(and (<= 48 proc_a) (<= proc_a 48)), 11462#(and (<= 50 proc_a) (<= proc_a 50)), 11463#(and (<= 52 proc_a) (<= proc_a 52)), 11464#(and (<= 54 proc_a) (<= proc_a 54)), 11465#(and (<= proc_a 56) (<= 56 proc_a)), 11466#(and (<= proc_a 58) (<= 58 proc_a)), 11467#(and (<= 60 proc_a) (<= proc_a 60)), 11468#(and (<= 62 proc_a) (<= proc_a 62)), 11469#(and (<= 64 proc_a) (<= proc_a 64)), 11470#(and (<= 66 proc_a) (<= proc_a 66)), 11471#(and (<= 68 proc_a) (<= proc_a 68)), 11472#(and (<= proc_a 70) (<= 70 proc_a)), 11473#(and (<= 72 proc_a) (<= proc_a 72)), 11474#(and (<= proc_a 74) (<= 74 proc_a)), 11475#(and (<= proc_a 76) (<= 76 proc_a)), 11476#(and (<= 78 proc_a) (<= proc_a 78)), 11477#(and (<= proc_a 80) (<= 80 proc_a)), 11478#(and (<= 82 proc_a) (<= proc_a 82)), 11479#(and (<= proc_a 84) (<= 84 proc_a)), 11480#(and (<= 86 proc_a) (<= proc_a 86)), 11481#(and (<= 88 proc_a) (<= proc_a 88)), 11482#(and (<= proc_a 90) (<= 90 proc_a)), 11483#(and (<= 92 proc_a) (<= proc_a 92)), 11484#(and (<= proc_a 94) (<= 94 proc_a)), 11485#(and (<= proc_a 96) (<= 96 proc_a)), 11486#(and (<= 98 proc_a) (<= proc_a 98)), 11487#(and (<= proc_a 100) (<= 100 proc_a)), 11488#(and (<= 102 proc_a) (<= proc_a 102)), 11489#(and (<= proc_a 104) (<= 104 proc_a)), 11490#(and (<= 106 proc_a) (<= proc_a 106)), 11491#(and (<= proc_a 108) (<= 108 proc_a)), 11492#(and (<= proc_a 110) (<= 110 proc_a)), 11493#(and (<= proc_a 112) (<= 112 proc_a)), 11494#(and (<= 114 proc_a) (<= proc_a 114)), 11495#(and (<= 116 proc_a) (<= proc_a 116)), 11496#(and (<= proc_a 118) (<= 118 proc_a)), 11497#(and (<= 120 proc_a) (<= proc_a 120)), 11498#(and (<= proc_a 122) (<= 122 proc_a)), 11499#(and (<= proc_a 124) (<= 124 proc_a)), 11500#(and (<= proc_a 126) (<= 126 proc_a)), 11501#(and (<= 128 proc_a) (<= proc_a 128))] [2018-07-23 13:51:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:01,434 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:51:01,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:51:01,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=4291, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:51:01,435 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 67 states. [2018-07-23 13:51:01,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:01,711 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:51:01,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:51:01,711 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 66 [2018-07-23 13:51:01,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:01,712 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:51:01,712 INFO L226 Difference]: Without dead ends: 68 [2018-07-23 13:51:01,712 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=4291, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:51:01,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-07-23 13:51:01,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-07-23 13:51:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-07-23 13:51:01,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-07-23 13:51:01,717 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-07-23 13:51:01,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:01,717 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-07-23 13:51:01,717 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:51:01,717 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-07-23 13:51:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-07-23 13:51:01,718 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:01,718 INFO L357 BasicCegarLoop]: trace histogram [65, 1, 1] [2018-07-23 13:51:01,718 INFO L414 AbstractCegarLoop]: === Iteration 66 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:01,718 INFO L82 PathProgramCache]: Analyzing trace with hash -892597023, now seen corresponding path program 65 times [2018-07-23 13:51:01,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:01,973 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:01,973 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:51:01,973 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:01,974 INFO L185 omatonBuilderFactory]: Interpolants [11776#true, 11777#false, 11778#(and (<= proc_a 0) (<= 0 proc_a)), 11779#(and (<= 2 proc_a) (<= proc_a 2)), 11780#(and (<= 4 proc_a) (<= proc_a 4)), 11781#(and (<= 6 proc_a) (<= proc_a 6)), 11782#(and (<= proc_a 8) (<= 8 proc_a)), 11783#(and (<= 10 proc_a) (<= proc_a 10)), 11784#(and (<= proc_a 12) (<= 12 proc_a)), 11785#(and (<= 14 proc_a) (<= proc_a 14)), 11786#(and (<= proc_a 16) (<= 16 proc_a)), 11787#(and (<= 18 proc_a) (<= proc_a 18)), 11788#(and (<= 20 proc_a) (<= proc_a 20)), 11789#(and (<= 22 proc_a) (<= proc_a 22)), 11790#(and (<= 24 proc_a) (<= proc_a 24)), 11791#(and (<= 26 proc_a) (<= proc_a 26)), 11792#(and (<= proc_a 28) (<= 28 proc_a)), 11793#(and (<= proc_a 30) (<= 30 proc_a)), 11794#(and (<= 32 proc_a) (<= proc_a 32)), 11795#(and (<= 34 proc_a) (<= proc_a 34)), 11796#(and (<= 36 proc_a) (<= proc_a 36)), 11797#(and (<= 38 proc_a) (<= proc_a 38)), 11798#(and (<= 40 proc_a) (<= proc_a 40)), 11799#(and (<= proc_a 42) (<= 42 proc_a)), 11800#(and (<= proc_a 44) (<= 44 proc_a)), 11801#(and (<= proc_a 46) (<= 46 proc_a)), 11802#(and (<= 48 proc_a) (<= proc_a 48)), 11803#(and (<= 50 proc_a) (<= proc_a 50)), 11804#(and (<= 52 proc_a) (<= proc_a 52)), 11805#(and (<= 54 proc_a) (<= proc_a 54)), 11806#(and (<= proc_a 56) (<= 56 proc_a)), 11807#(and (<= proc_a 58) (<= 58 proc_a)), 11808#(and (<= 60 proc_a) (<= proc_a 60)), 11809#(and (<= 62 proc_a) (<= proc_a 62)), 11810#(and (<= 64 proc_a) (<= proc_a 64)), 11811#(and (<= 66 proc_a) (<= proc_a 66)), 11812#(and (<= 68 proc_a) (<= proc_a 68)), 11813#(and (<= proc_a 70) (<= 70 proc_a)), 11814#(and (<= 72 proc_a) (<= proc_a 72)), 11815#(and (<= proc_a 74) (<= 74 proc_a)), 11816#(and (<= proc_a 76) (<= 76 proc_a)), 11817#(and (<= 78 proc_a) (<= proc_a 78)), 11818#(and (<= proc_a 80) (<= 80 proc_a)), 11819#(and (<= 82 proc_a) (<= proc_a 82)), 11820#(and (<= proc_a 84) (<= 84 proc_a)), 11821#(and (<= 86 proc_a) (<= proc_a 86)), 11822#(and (<= 88 proc_a) (<= proc_a 88)), 11823#(and (<= proc_a 90) (<= 90 proc_a)), 11824#(and (<= 92 proc_a) (<= proc_a 92)), 11825#(and (<= proc_a 94) (<= 94 proc_a)), 11826#(and (<= proc_a 96) (<= 96 proc_a)), 11827#(and (<= 98 proc_a) (<= proc_a 98)), 11828#(and (<= proc_a 100) (<= 100 proc_a)), 11829#(and (<= 102 proc_a) (<= proc_a 102)), 11830#(and (<= proc_a 104) (<= 104 proc_a)), 11831#(and (<= 106 proc_a) (<= proc_a 106)), 11832#(and (<= proc_a 108) (<= 108 proc_a)), 11833#(and (<= proc_a 110) (<= 110 proc_a)), 11834#(and (<= proc_a 112) (<= 112 proc_a)), 11835#(and (<= 114 proc_a) (<= proc_a 114)), 11836#(and (<= 116 proc_a) (<= proc_a 116)), 11837#(and (<= proc_a 118) (<= 118 proc_a)), 11838#(and (<= 120 proc_a) (<= proc_a 120)), 11839#(and (<= proc_a 122) (<= 122 proc_a)), 11840#(and (<= proc_a 124) (<= 124 proc_a)), 11841#(and (<= proc_a 126) (<= 126 proc_a)), 11842#(and (<= 128 proc_a) (<= proc_a 128)), 11843#(and (<= proc_a 130) (<= 130 proc_a))] [2018-07-23 13:51:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:01,974 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:51:01,975 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:51:01,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=4423, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:51:01,975 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 68 states. [2018-07-23 13:51:02,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:02,202 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-07-23 13:51:02,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:51:02,202 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 67 [2018-07-23 13:51:02,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:02,203 INFO L225 Difference]: With dead ends: 70 [2018-07-23 13:51:02,203 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:51:02,204 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=4423, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:51:02,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:51:02,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:51:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:51:02,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:51:02,208 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2018-07-23 13:51:02,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:02,208 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:51:02,208 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:51:02,208 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:51:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:51:02,209 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:02,209 INFO L357 BasicCegarLoop]: trace histogram [66, 1, 1] [2018-07-23 13:51:02,209 INFO L414 AbstractCegarLoop]: === Iteration 67 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:02,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1900703993, now seen corresponding path program 66 times [2018-07-23 13:51:02,209 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:02,436 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:02,436 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:51:02,436 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:02,436 INFO L185 omatonBuilderFactory]: Interpolants [12160#(and (<= 72 proc_a) (<= proc_a 72)), 12161#(and (<= proc_a 74) (<= 74 proc_a)), 12162#(and (<= proc_a 76) (<= 76 proc_a)), 12163#(and (<= 78 proc_a) (<= proc_a 78)), 12164#(and (<= proc_a 80) (<= 80 proc_a)), 12165#(and (<= 82 proc_a) (<= proc_a 82)), 12166#(and (<= proc_a 84) (<= 84 proc_a)), 12167#(and (<= 86 proc_a) (<= proc_a 86)), 12168#(and (<= 88 proc_a) (<= proc_a 88)), 12169#(and (<= proc_a 90) (<= 90 proc_a)), 12170#(and (<= 92 proc_a) (<= proc_a 92)), 12171#(and (<= proc_a 94) (<= 94 proc_a)), 12172#(and (<= proc_a 96) (<= 96 proc_a)), 12173#(and (<= 98 proc_a) (<= proc_a 98)), 12174#(and (<= proc_a 100) (<= 100 proc_a)), 12175#(and (<= 102 proc_a) (<= proc_a 102)), 12176#(and (<= proc_a 104) (<= 104 proc_a)), 12177#(and (<= 106 proc_a) (<= proc_a 106)), 12178#(and (<= proc_a 108) (<= 108 proc_a)), 12179#(and (<= proc_a 110) (<= 110 proc_a)), 12180#(and (<= proc_a 112) (<= 112 proc_a)), 12181#(and (<= 114 proc_a) (<= proc_a 114)), 12182#(and (<= 116 proc_a) (<= proc_a 116)), 12183#(and (<= proc_a 118) (<= 118 proc_a)), 12184#(and (<= 120 proc_a) (<= proc_a 120)), 12185#(and (<= proc_a 122) (<= 122 proc_a)), 12186#(and (<= proc_a 124) (<= 124 proc_a)), 12187#(and (<= proc_a 126) (<= 126 proc_a)), 12188#(and (<= 128 proc_a) (<= proc_a 128)), 12189#(and (<= proc_a 130) (<= 130 proc_a)), 12190#(and (<= 132 proc_a) (<= proc_a 132)), 12122#true, 12123#false, 12124#(and (<= proc_a 0) (<= 0 proc_a)), 12125#(and (<= 2 proc_a) (<= proc_a 2)), 12126#(and (<= 4 proc_a) (<= proc_a 4)), 12127#(and (<= 6 proc_a) (<= proc_a 6)), 12128#(and (<= proc_a 8) (<= 8 proc_a)), 12129#(and (<= 10 proc_a) (<= proc_a 10)), 12130#(and (<= proc_a 12) (<= 12 proc_a)), 12131#(and (<= 14 proc_a) (<= proc_a 14)), 12132#(and (<= proc_a 16) (<= 16 proc_a)), 12133#(and (<= 18 proc_a) (<= proc_a 18)), 12134#(and (<= 20 proc_a) (<= proc_a 20)), 12135#(and (<= 22 proc_a) (<= proc_a 22)), 12136#(and (<= 24 proc_a) (<= proc_a 24)), 12137#(and (<= 26 proc_a) (<= proc_a 26)), 12138#(and (<= proc_a 28) (<= 28 proc_a)), 12139#(and (<= proc_a 30) (<= 30 proc_a)), 12140#(and (<= 32 proc_a) (<= proc_a 32)), 12141#(and (<= 34 proc_a) (<= proc_a 34)), 12142#(and (<= 36 proc_a) (<= proc_a 36)), 12143#(and (<= 38 proc_a) (<= proc_a 38)), 12144#(and (<= 40 proc_a) (<= proc_a 40)), 12145#(and (<= proc_a 42) (<= 42 proc_a)), 12146#(and (<= proc_a 44) (<= 44 proc_a)), 12147#(and (<= proc_a 46) (<= 46 proc_a)), 12148#(and (<= 48 proc_a) (<= proc_a 48)), 12149#(and (<= 50 proc_a) (<= proc_a 50)), 12150#(and (<= 52 proc_a) (<= proc_a 52)), 12151#(and (<= 54 proc_a) (<= proc_a 54)), 12152#(and (<= proc_a 56) (<= 56 proc_a)), 12153#(and (<= proc_a 58) (<= 58 proc_a)), 12154#(and (<= 60 proc_a) (<= proc_a 60)), 12155#(and (<= 62 proc_a) (<= proc_a 62)), 12156#(and (<= 64 proc_a) (<= proc_a 64)), 12157#(and (<= 66 proc_a) (<= proc_a 66)), 12158#(and (<= 68 proc_a) (<= proc_a 68)), 12159#(and (<= proc_a 70) (<= 70 proc_a))] [2018-07-23 13:51:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:02,437 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:51:02,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:51:02,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=4557, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:51:02,438 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 69 states. [2018-07-23 13:51:02,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:02,668 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:51:02,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:51:02,669 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 68 [2018-07-23 13:51:02,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:02,669 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:51:02,669 INFO L226 Difference]: Without dead ends: 70 [2018-07-23 13:51:02,670 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=4557, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:51:02,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-07-23 13:51:02,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-07-23 13:51:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-07-23 13:51:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-07-23 13:51:02,673 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2018-07-23 13:51:02,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:02,673 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-07-23 13:51:02,673 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:51:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-07-23 13:51:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-23 13:51:02,674 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:02,674 INFO L357 BasicCegarLoop]: trace histogram [67, 1, 1] [2018-07-23 13:51:02,674 INFO L414 AbstractCegarLoop]: === Iteration 68 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:02,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1207718305, now seen corresponding path program 67 times [2018-07-23 13:51:02,674 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:03,009 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:03,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:51:03,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:03,010 INFO L185 omatonBuilderFactory]: Interpolants [12473#true, 12474#false, 12475#(and (<= proc_a 0) (<= 0 proc_a)), 12476#(and (<= 2 proc_a) (<= proc_a 2)), 12477#(and (<= 4 proc_a) (<= proc_a 4)), 12478#(and (<= 6 proc_a) (<= proc_a 6)), 12479#(and (<= proc_a 8) (<= 8 proc_a)), 12480#(and (<= 10 proc_a) (<= proc_a 10)), 12481#(and (<= proc_a 12) (<= 12 proc_a)), 12482#(and (<= 14 proc_a) (<= proc_a 14)), 12483#(and (<= proc_a 16) (<= 16 proc_a)), 12484#(and (<= 18 proc_a) (<= proc_a 18)), 12485#(and (<= 20 proc_a) (<= proc_a 20)), 12486#(and (<= 22 proc_a) (<= proc_a 22)), 12487#(and (<= 24 proc_a) (<= proc_a 24)), 12488#(and (<= 26 proc_a) (<= proc_a 26)), 12489#(and (<= proc_a 28) (<= 28 proc_a)), 12490#(and (<= proc_a 30) (<= 30 proc_a)), 12491#(and (<= 32 proc_a) (<= proc_a 32)), 12492#(and (<= 34 proc_a) (<= proc_a 34)), 12493#(and (<= 36 proc_a) (<= proc_a 36)), 12494#(and (<= 38 proc_a) (<= proc_a 38)), 12495#(and (<= 40 proc_a) (<= proc_a 40)), 12496#(and (<= proc_a 42) (<= 42 proc_a)), 12497#(and (<= proc_a 44) (<= 44 proc_a)), 12498#(and (<= proc_a 46) (<= 46 proc_a)), 12499#(and (<= 48 proc_a) (<= proc_a 48)), 12500#(and (<= 50 proc_a) (<= proc_a 50)), 12501#(and (<= 52 proc_a) (<= proc_a 52)), 12502#(and (<= 54 proc_a) (<= proc_a 54)), 12503#(and (<= proc_a 56) (<= 56 proc_a)), 12504#(and (<= proc_a 58) (<= 58 proc_a)), 12505#(and (<= 60 proc_a) (<= proc_a 60)), 12506#(and (<= 62 proc_a) (<= proc_a 62)), 12507#(and (<= 64 proc_a) (<= proc_a 64)), 12508#(and (<= 66 proc_a) (<= proc_a 66)), 12509#(and (<= 68 proc_a) (<= proc_a 68)), 12510#(and (<= proc_a 70) (<= 70 proc_a)), 12511#(and (<= 72 proc_a) (<= proc_a 72)), 12512#(and (<= proc_a 74) (<= 74 proc_a)), 12513#(and (<= proc_a 76) (<= 76 proc_a)), 12514#(and (<= 78 proc_a) (<= proc_a 78)), 12515#(and (<= proc_a 80) (<= 80 proc_a)), 12516#(and (<= 82 proc_a) (<= proc_a 82)), 12517#(and (<= proc_a 84) (<= 84 proc_a)), 12518#(and (<= 86 proc_a) (<= proc_a 86)), 12519#(and (<= 88 proc_a) (<= proc_a 88)), 12520#(and (<= proc_a 90) (<= 90 proc_a)), 12521#(and (<= 92 proc_a) (<= proc_a 92)), 12522#(and (<= proc_a 94) (<= 94 proc_a)), 12523#(and (<= proc_a 96) (<= 96 proc_a)), 12524#(and (<= 98 proc_a) (<= proc_a 98)), 12525#(and (<= proc_a 100) (<= 100 proc_a)), 12526#(and (<= 102 proc_a) (<= proc_a 102)), 12527#(and (<= proc_a 104) (<= 104 proc_a)), 12528#(and (<= 106 proc_a) (<= proc_a 106)), 12529#(and (<= proc_a 108) (<= 108 proc_a)), 12530#(and (<= proc_a 110) (<= 110 proc_a)), 12531#(and (<= proc_a 112) (<= 112 proc_a)), 12532#(and (<= 114 proc_a) (<= proc_a 114)), 12533#(and (<= 116 proc_a) (<= proc_a 116)), 12534#(and (<= proc_a 118) (<= 118 proc_a)), 12535#(and (<= 120 proc_a) (<= proc_a 120)), 12536#(and (<= proc_a 122) (<= 122 proc_a)), 12537#(and (<= proc_a 124) (<= 124 proc_a)), 12538#(and (<= proc_a 126) (<= 126 proc_a)), 12539#(and (<= 128 proc_a) (<= proc_a 128)), 12540#(and (<= proc_a 130) (<= 130 proc_a)), 12541#(and (<= 132 proc_a) (<= proc_a 132)), 12542#(and (<= proc_a 134) (<= 134 proc_a))] [2018-07-23 13:51:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:03,011 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:51:03,011 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:51:03,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:51:03,012 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 70 states. [2018-07-23 13:51:03,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:03,450 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-07-23 13:51:03,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:51:03,451 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 69 [2018-07-23 13:51:03,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:03,453 INFO L225 Difference]: With dead ends: 72 [2018-07-23 13:51:03,453 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:51:03,453 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:51:03,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:51:03,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:51:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:51:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:51:03,458 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2018-07-23 13:51:03,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:03,459 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:51:03,459 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:51:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:51:03,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:51:03,460 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:03,460 INFO L357 BasicCegarLoop]: trace histogram [68, 1, 1] [2018-07-23 13:51:03,460 INFO L414 AbstractCegarLoop]: === Iteration 69 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:03,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1215438265, now seen corresponding path program 68 times [2018-07-23 13:51:03,460 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:03,717 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:03,717 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:51:03,718 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:03,718 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 13:51:03,718 INFO L185 omatonBuilderFactory]: Interpolants [12829#true, 12830#false, 12831#(and (<= proc_a 0) (<= 0 proc_a)), 12832#(and (<= 2 proc_a) (<= proc_a 2)), 12833#(and (<= 4 proc_a) (<= proc_a 4)), 12834#(and (<= 6 proc_a) (<= proc_a 6)), 12835#(and (<= proc_a 8) (<= 8 proc_a)), 12836#(and (<= 10 proc_a) (<= proc_a 10)), 12837#(and (<= proc_a 12) (<= 12 proc_a)), 12838#(and (<= 14 proc_a) (<= proc_a 14)), 12839#(and (<= proc_a 16) (<= 16 proc_a)), 12840#(and (<= 18 proc_a) (<= proc_a 18)), 12841#(and (<= 20 proc_a) (<= proc_a 20)), 12842#(and (<= 22 proc_a) (<= proc_a 22)), 12843#(and (<= 24 proc_a) (<= proc_a 24)), 12844#(and (<= 26 proc_a) (<= proc_a 26)), 12845#(and (<= proc_a 28) (<= 28 proc_a)), 12846#(and (<= proc_a 30) (<= 30 proc_a)), 12847#(and (<= 32 proc_a) (<= proc_a 32)), 12848#(and (<= 34 proc_a) (<= proc_a 34)), 12849#(and (<= 36 proc_a) (<= proc_a 36)), 12850#(and (<= 38 proc_a) (<= proc_a 38)), 12851#(and (<= 40 proc_a) (<= proc_a 40)), 12852#(and (<= proc_a 42) (<= 42 proc_a)), 12853#(and (<= proc_a 44) (<= 44 proc_a)), 12854#(and (<= proc_a 46) (<= 46 proc_a)), 12855#(and (<= 48 proc_a) (<= proc_a 48)), 12856#(and (<= 50 proc_a) (<= proc_a 50)), 12857#(and (<= 52 proc_a) (<= proc_a 52)), 12858#(and (<= 54 proc_a) (<= proc_a 54)), 12859#(and (<= proc_a 56) (<= 56 proc_a)), 12860#(and (<= proc_a 58) (<= 58 proc_a)), 12861#(and (<= 60 proc_a) (<= proc_a 60)), 12862#(and (<= 62 proc_a) (<= proc_a 62)), 12863#(and (<= 64 proc_a) (<= proc_a 64)), 12864#(and (<= 66 proc_a) (<= proc_a 66)), 12865#(and (<= 68 proc_a) (<= proc_a 68)), 12866#(and (<= proc_a 70) (<= 70 proc_a)), 12867#(and (<= 72 proc_a) (<= proc_a 72)), 12868#(and (<= proc_a 74) (<= 74 proc_a)), 12869#(and (<= proc_a 76) (<= 76 proc_a)), 12870#(and (<= 78 proc_a) (<= proc_a 78)), 12871#(and (<= proc_a 80) (<= 80 proc_a)), 12872#(and (<= 82 proc_a) (<= proc_a 82)), 12873#(and (<= proc_a 84) (<= 84 proc_a)), 12874#(and (<= 86 proc_a) (<= proc_a 86)), 12875#(and (<= 88 proc_a) (<= proc_a 88)), 12876#(and (<= proc_a 90) (<= 90 proc_a)), 12877#(and (<= 92 proc_a) (<= proc_a 92)), 12878#(and (<= proc_a 94) (<= 94 proc_a)), 12879#(and (<= proc_a 96) (<= 96 proc_a)), 12880#(and (<= 98 proc_a) (<= proc_a 98)), 12881#(and (<= proc_a 100) (<= 100 proc_a)), 12882#(and (<= 102 proc_a) (<= proc_a 102)), 12883#(and (<= proc_a 104) (<= 104 proc_a)), 12884#(and (<= 106 proc_a) (<= proc_a 106)), 12885#(and (<= proc_a 108) (<= 108 proc_a)), 12886#(and (<= proc_a 110) (<= 110 proc_a)), 12887#(and (<= proc_a 112) (<= 112 proc_a)), 12888#(and (<= 114 proc_a) (<= proc_a 114)), 12889#(and (<= 116 proc_a) (<= proc_a 116)), 12890#(and (<= proc_a 118) (<= 118 proc_a)), 12891#(and (<= 120 proc_a) (<= proc_a 120)), 12892#(and (<= proc_a 122) (<= 122 proc_a)), 12893#(and (<= proc_a 124) (<= 124 proc_a)), 12894#(and (<= proc_a 126) (<= 126 proc_a)), 12895#(and (<= 128 proc_a) (<= proc_a 128)), 12896#(and (<= proc_a 130) (<= 130 proc_a)), 12897#(and (<= 132 proc_a) (<= proc_a 132)), 12898#(and (<= proc_a 134) (<= 134 proc_a)), 12899#(and (<= proc_a 136) (<= 136 proc_a))] [2018-07-23 13:51:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:03,718 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:51:03,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:51:03,719 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=4831, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:51:03,719 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 71 states. [2018-07-23 13:51:03,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:03,949 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:51:03,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:51:03,949 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 70 [2018-07-23 13:51:03,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:03,950 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:51:03,950 INFO L226 Difference]: Without dead ends: 72 [2018-07-23 13:51:03,950 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=4831, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:51:03,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-07-23 13:51:03,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-07-23 13:51:03,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-23 13:51:03,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-07-23 13:51:03,954 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2018-07-23 13:51:03,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:03,955 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-07-23 13:51:03,955 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:51:03,955 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-07-23 13:51:03,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-07-23 13:51:03,955 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:03,955 INFO L357 BasicCegarLoop]: trace histogram [69, 1, 1] [2018-07-23 13:51:03,956 INFO L414 AbstractCegarLoop]: === Iteration 70 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:03,956 INFO L82 PathProgramCache]: Analyzing trace with hash 976119393, now seen corresponding path program 69 times [2018-07-23 13:51:03,956 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:04,283 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:04,284 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:51:04,284 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:04,284 INFO L185 omatonBuilderFactory]: Interpolants [13190#true, 13191#false, 13192#(and (<= proc_a 0) (<= 0 proc_a)), 13193#(and (<= 2 proc_a) (<= proc_a 2)), 13194#(and (<= 4 proc_a) (<= proc_a 4)), 13195#(and (<= 6 proc_a) (<= proc_a 6)), 13196#(and (<= proc_a 8) (<= 8 proc_a)), 13197#(and (<= 10 proc_a) (<= proc_a 10)), 13198#(and (<= proc_a 12) (<= 12 proc_a)), 13199#(and (<= 14 proc_a) (<= proc_a 14)), 13200#(and (<= proc_a 16) (<= 16 proc_a)), 13201#(and (<= 18 proc_a) (<= proc_a 18)), 13202#(and (<= 20 proc_a) (<= proc_a 20)), 13203#(and (<= 22 proc_a) (<= proc_a 22)), 13204#(and (<= 24 proc_a) (<= proc_a 24)), 13205#(and (<= 26 proc_a) (<= proc_a 26)), 13206#(and (<= proc_a 28) (<= 28 proc_a)), 13207#(and (<= proc_a 30) (<= 30 proc_a)), 13208#(and (<= 32 proc_a) (<= proc_a 32)), 13209#(and (<= 34 proc_a) (<= proc_a 34)), 13210#(and (<= 36 proc_a) (<= proc_a 36)), 13211#(and (<= 38 proc_a) (<= proc_a 38)), 13212#(and (<= 40 proc_a) (<= proc_a 40)), 13213#(and (<= proc_a 42) (<= 42 proc_a)), 13214#(and (<= proc_a 44) (<= 44 proc_a)), 13215#(and (<= proc_a 46) (<= 46 proc_a)), 13216#(and (<= 48 proc_a) (<= proc_a 48)), 13217#(and (<= 50 proc_a) (<= proc_a 50)), 13218#(and (<= 52 proc_a) (<= proc_a 52)), 13219#(and (<= 54 proc_a) (<= proc_a 54)), 13220#(and (<= proc_a 56) (<= 56 proc_a)), 13221#(and (<= proc_a 58) (<= 58 proc_a)), 13222#(and (<= 60 proc_a) (<= proc_a 60)), 13223#(and (<= 62 proc_a) (<= proc_a 62)), 13224#(and (<= 64 proc_a) (<= proc_a 64)), 13225#(and (<= 66 proc_a) (<= proc_a 66)), 13226#(and (<= 68 proc_a) (<= proc_a 68)), 13227#(and (<= proc_a 70) (<= 70 proc_a)), 13228#(and (<= 72 proc_a) (<= proc_a 72)), 13229#(and (<= proc_a 74) (<= 74 proc_a)), 13230#(and (<= proc_a 76) (<= 76 proc_a)), 13231#(and (<= 78 proc_a) (<= proc_a 78)), 13232#(and (<= proc_a 80) (<= 80 proc_a)), 13233#(and (<= 82 proc_a) (<= proc_a 82)), 13234#(and (<= proc_a 84) (<= 84 proc_a)), 13235#(and (<= 86 proc_a) (<= proc_a 86)), 13236#(and (<= 88 proc_a) (<= proc_a 88)), 13237#(and (<= proc_a 90) (<= 90 proc_a)), 13238#(and (<= 92 proc_a) (<= proc_a 92)), 13239#(and (<= proc_a 94) (<= 94 proc_a)), 13240#(and (<= proc_a 96) (<= 96 proc_a)), 13241#(and (<= 98 proc_a) (<= proc_a 98)), 13242#(and (<= proc_a 100) (<= 100 proc_a)), 13243#(and (<= 102 proc_a) (<= proc_a 102)), 13244#(and (<= proc_a 104) (<= 104 proc_a)), 13245#(and (<= 106 proc_a) (<= proc_a 106)), 13246#(and (<= proc_a 108) (<= 108 proc_a)), 13247#(and (<= proc_a 110) (<= 110 proc_a)), 13248#(and (<= proc_a 112) (<= 112 proc_a)), 13249#(and (<= 114 proc_a) (<= proc_a 114)), 13250#(and (<= 116 proc_a) (<= proc_a 116)), 13251#(and (<= proc_a 118) (<= 118 proc_a)), 13252#(and (<= 120 proc_a) (<= proc_a 120)), 13253#(and (<= proc_a 122) (<= 122 proc_a)), 13254#(and (<= proc_a 124) (<= 124 proc_a)), 13255#(and (<= proc_a 126) (<= 126 proc_a)), 13256#(and (<= 128 proc_a) (<= proc_a 128)), 13257#(and (<= proc_a 130) (<= 130 proc_a)), 13258#(and (<= 132 proc_a) (<= proc_a 132)), 13259#(and (<= proc_a 134) (<= 134 proc_a)), 13260#(and (<= proc_a 136) (<= 136 proc_a)), 13261#(and (<= proc_a 138) (<= 138 proc_a))] [2018-07-23 13:51:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:04,285 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:51:04,285 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:51:04,286 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=4971, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:51:04,286 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 72 states. [2018-07-23 13:51:04,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:04,584 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-07-23 13:51:04,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:51:04,584 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 71 [2018-07-23 13:51:04,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:04,585 INFO L225 Difference]: With dead ends: 74 [2018-07-23 13:51:04,585 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:51:04,585 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=4971, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:51:04,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:51:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:51:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:51:04,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:51:04,589 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2018-07-23 13:51:04,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:04,589 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:51:04,589 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:51:04,589 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:51:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:51:04,590 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:04,590 INFO L357 BasicCegarLoop]: trace histogram [70, 1, 1] [2018-07-23 13:51:04,590 INFO L414 AbstractCegarLoop]: === Iteration 71 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:04,590 INFO L82 PathProgramCache]: Analyzing trace with hash 194930055, now seen corresponding path program 70 times [2018-07-23 13:51:04,590 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:04,886 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:04,886 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:51:04,887 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:04,887 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 13:51:04,887 INFO L185 omatonBuilderFactory]: Interpolants [13568#(and (<= 20 proc_a) (<= proc_a 20)), 13569#(and (<= 22 proc_a) (<= proc_a 22)), 13570#(and (<= 24 proc_a) (<= proc_a 24)), 13571#(and (<= 26 proc_a) (<= proc_a 26)), 13572#(and (<= proc_a 28) (<= 28 proc_a)), 13573#(and (<= proc_a 30) (<= 30 proc_a)), 13574#(and (<= 32 proc_a) (<= proc_a 32)), 13575#(and (<= 34 proc_a) (<= proc_a 34)), 13576#(and (<= 36 proc_a) (<= proc_a 36)), 13577#(and (<= 38 proc_a) (<= proc_a 38)), 13578#(and (<= 40 proc_a) (<= proc_a 40)), 13579#(and (<= proc_a 42) (<= 42 proc_a)), 13580#(and (<= proc_a 44) (<= 44 proc_a)), 13581#(and (<= proc_a 46) (<= 46 proc_a)), 13582#(and (<= 48 proc_a) (<= proc_a 48)), 13583#(and (<= 50 proc_a) (<= proc_a 50)), 13584#(and (<= 52 proc_a) (<= proc_a 52)), 13585#(and (<= 54 proc_a) (<= proc_a 54)), 13586#(and (<= proc_a 56) (<= 56 proc_a)), 13587#(and (<= proc_a 58) (<= 58 proc_a)), 13588#(and (<= 60 proc_a) (<= proc_a 60)), 13589#(and (<= 62 proc_a) (<= proc_a 62)), 13590#(and (<= 64 proc_a) (<= proc_a 64)), 13591#(and (<= 66 proc_a) (<= proc_a 66)), 13592#(and (<= 68 proc_a) (<= proc_a 68)), 13593#(and (<= proc_a 70) (<= 70 proc_a)), 13594#(and (<= 72 proc_a) (<= proc_a 72)), 13595#(and (<= proc_a 74) (<= 74 proc_a)), 13596#(and (<= proc_a 76) (<= 76 proc_a)), 13597#(and (<= 78 proc_a) (<= proc_a 78)), 13598#(and (<= proc_a 80) (<= 80 proc_a)), 13599#(and (<= 82 proc_a) (<= proc_a 82)), 13600#(and (<= proc_a 84) (<= 84 proc_a)), 13601#(and (<= 86 proc_a) (<= proc_a 86)), 13602#(and (<= 88 proc_a) (<= proc_a 88)), 13603#(and (<= proc_a 90) (<= 90 proc_a)), 13604#(and (<= 92 proc_a) (<= proc_a 92)), 13605#(and (<= proc_a 94) (<= 94 proc_a)), 13606#(and (<= proc_a 96) (<= 96 proc_a)), 13607#(and (<= 98 proc_a) (<= proc_a 98)), 13608#(and (<= proc_a 100) (<= 100 proc_a)), 13609#(and (<= 102 proc_a) (<= proc_a 102)), 13610#(and (<= proc_a 104) (<= 104 proc_a)), 13611#(and (<= 106 proc_a) (<= proc_a 106)), 13612#(and (<= proc_a 108) (<= 108 proc_a)), 13613#(and (<= proc_a 110) (<= 110 proc_a)), 13614#(and (<= proc_a 112) (<= 112 proc_a)), 13615#(and (<= 114 proc_a) (<= proc_a 114)), 13616#(and (<= 116 proc_a) (<= proc_a 116)), 13617#(and (<= proc_a 118) (<= 118 proc_a)), 13618#(and (<= 120 proc_a) (<= proc_a 120)), 13619#(and (<= proc_a 122) (<= 122 proc_a)), 13620#(and (<= proc_a 124) (<= 124 proc_a)), 13621#(and (<= proc_a 126) (<= 126 proc_a)), 13622#(and (<= 128 proc_a) (<= proc_a 128)), 13623#(and (<= proc_a 130) (<= 130 proc_a)), 13624#(and (<= 132 proc_a) (<= proc_a 132)), 13625#(and (<= proc_a 134) (<= 134 proc_a)), 13626#(and (<= proc_a 136) (<= 136 proc_a)), 13627#(and (<= proc_a 138) (<= 138 proc_a)), 13628#(and (<= proc_a 140) (<= 140 proc_a)), 13556#true, 13557#false, 13558#(and (<= proc_a 0) (<= 0 proc_a)), 13559#(and (<= 2 proc_a) (<= proc_a 2)), 13560#(and (<= 4 proc_a) (<= proc_a 4)), 13561#(and (<= 6 proc_a) (<= proc_a 6)), 13562#(and (<= proc_a 8) (<= 8 proc_a)), 13563#(and (<= 10 proc_a) (<= proc_a 10)), 13564#(and (<= proc_a 12) (<= 12 proc_a)), 13565#(and (<= 14 proc_a) (<= proc_a 14)), 13566#(and (<= proc_a 16) (<= 16 proc_a)), 13567#(and (<= 18 proc_a) (<= proc_a 18))] [2018-07-23 13:51:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:04,887 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:51:04,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:51:04,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=5113, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:51:04,888 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 73 states. [2018-07-23 13:51:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:05,141 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:51:05,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:51:05,141 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 72 [2018-07-23 13:51:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:05,142 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:51:05,142 INFO L226 Difference]: Without dead ends: 74 [2018-07-23 13:51:05,143 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=5113, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:51:05,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-07-23 13:51:05,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-07-23 13:51:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-07-23 13:51:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-07-23 13:51:05,146 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 72 [2018-07-23 13:51:05,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:05,146 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2018-07-23 13:51:05,146 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:51:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-07-23 13:51:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-07-23 13:51:05,147 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:05,147 INFO L357 BasicCegarLoop]: trace histogram [71, 1, 1] [2018-07-23 13:51:05,147 INFO L414 AbstractCegarLoop]: === Iteration 72 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:05,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1747864353, now seen corresponding path program 71 times [2018-07-23 13:51:05,148 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:05,495 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:05,495 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:51:05,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:05,496 INFO L185 omatonBuilderFactory]: Interpolants [13952#(and (<= proc_a 46) (<= 46 proc_a)), 13953#(and (<= 48 proc_a) (<= proc_a 48)), 13954#(and (<= 50 proc_a) (<= proc_a 50)), 13955#(and (<= 52 proc_a) (<= proc_a 52)), 13956#(and (<= 54 proc_a) (<= proc_a 54)), 13957#(and (<= proc_a 56) (<= 56 proc_a)), 13958#(and (<= proc_a 58) (<= 58 proc_a)), 13959#(and (<= 60 proc_a) (<= proc_a 60)), 13960#(and (<= 62 proc_a) (<= proc_a 62)), 13961#(and (<= 64 proc_a) (<= proc_a 64)), 13962#(and (<= 66 proc_a) (<= proc_a 66)), 13963#(and (<= 68 proc_a) (<= proc_a 68)), 13964#(and (<= proc_a 70) (<= 70 proc_a)), 13965#(and (<= 72 proc_a) (<= proc_a 72)), 13966#(and (<= proc_a 74) (<= 74 proc_a)), 13967#(and (<= proc_a 76) (<= 76 proc_a)), 13968#(and (<= 78 proc_a) (<= proc_a 78)), 13969#(and (<= proc_a 80) (<= 80 proc_a)), 13970#(and (<= 82 proc_a) (<= proc_a 82)), 13971#(and (<= proc_a 84) (<= 84 proc_a)), 13972#(and (<= 86 proc_a) (<= proc_a 86)), 13973#(and (<= 88 proc_a) (<= proc_a 88)), 13974#(and (<= proc_a 90) (<= 90 proc_a)), 13975#(and (<= 92 proc_a) (<= proc_a 92)), 13976#(and (<= proc_a 94) (<= 94 proc_a)), 13977#(and (<= proc_a 96) (<= 96 proc_a)), 13978#(and (<= 98 proc_a) (<= proc_a 98)), 13979#(and (<= proc_a 100) (<= 100 proc_a)), 13980#(and (<= 102 proc_a) (<= proc_a 102)), 13981#(and (<= proc_a 104) (<= 104 proc_a)), 13982#(and (<= 106 proc_a) (<= proc_a 106)), 13983#(and (<= proc_a 108) (<= 108 proc_a)), 13984#(and (<= proc_a 110) (<= 110 proc_a)), 13985#(and (<= proc_a 112) (<= 112 proc_a)), 13986#(and (<= 114 proc_a) (<= proc_a 114)), 13987#(and (<= 116 proc_a) (<= proc_a 116)), 13988#(and (<= proc_a 118) (<= 118 proc_a)), 13989#(and (<= 120 proc_a) (<= proc_a 120)), 13990#(and (<= proc_a 122) (<= 122 proc_a)), 13991#(and (<= proc_a 124) (<= 124 proc_a)), 13992#(and (<= proc_a 126) (<= 126 proc_a)), 13993#(and (<= 128 proc_a) (<= proc_a 128)), 13994#(and (<= proc_a 130) (<= 130 proc_a)), 13995#(and (<= 132 proc_a) (<= proc_a 132)), 13996#(and (<= proc_a 134) (<= 134 proc_a)), 13997#(and (<= proc_a 136) (<= 136 proc_a)), 13998#(and (<= proc_a 138) (<= 138 proc_a)), 13999#(and (<= proc_a 140) (<= 140 proc_a)), 14000#(and (<= 142 proc_a) (<= proc_a 142)), 13927#true, 13928#false, 13929#(and (<= proc_a 0) (<= 0 proc_a)), 13930#(and (<= 2 proc_a) (<= proc_a 2)), 13931#(and (<= 4 proc_a) (<= proc_a 4)), 13932#(and (<= 6 proc_a) (<= proc_a 6)), 13933#(and (<= proc_a 8) (<= 8 proc_a)), 13934#(and (<= 10 proc_a) (<= proc_a 10)), 13935#(and (<= proc_a 12) (<= 12 proc_a)), 13936#(and (<= 14 proc_a) (<= proc_a 14)), 13937#(and (<= proc_a 16) (<= 16 proc_a)), 13938#(and (<= 18 proc_a) (<= proc_a 18)), 13939#(and (<= 20 proc_a) (<= proc_a 20)), 13940#(and (<= 22 proc_a) (<= proc_a 22)), 13941#(and (<= 24 proc_a) (<= proc_a 24)), 13942#(and (<= 26 proc_a) (<= proc_a 26)), 13943#(and (<= proc_a 28) (<= 28 proc_a)), 13944#(and (<= proc_a 30) (<= 30 proc_a)), 13945#(and (<= 32 proc_a) (<= proc_a 32)), 13946#(and (<= 34 proc_a) (<= proc_a 34)), 13947#(and (<= 36 proc_a) (<= proc_a 36)), 13948#(and (<= 38 proc_a) (<= proc_a 38)), 13949#(and (<= 40 proc_a) (<= proc_a 40)), 13950#(and (<= proc_a 42) (<= 42 proc_a)), 13951#(and (<= proc_a 44) (<= 44 proc_a))] [2018-07-23 13:51:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:05,496 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:51:05,497 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:51:05,497 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:51:05,497 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand 74 states. [2018-07-23 13:51:05,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:05,896 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-07-23 13:51:05,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:51:05,896 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 73 [2018-07-23 13:51:05,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:05,897 INFO L225 Difference]: With dead ends: 76 [2018-07-23 13:51:05,897 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:51:05,897 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:51:05,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:51:05,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:51:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:51:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:51:05,900 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 73 [2018-07-23 13:51:05,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:05,901 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:51:05,901 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:51:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:51:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:51:05,901 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:05,901 INFO L357 BasicCegarLoop]: trace histogram [72, 1, 1] [2018-07-23 13:51:05,901 INFO L414 AbstractCegarLoop]: === Iteration 73 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:05,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1650779961, now seen corresponding path program 72 times [2018-07-23 13:51:05,902 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:06,269 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:06,269 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:51:06,269 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:06,270 INFO L185 omatonBuilderFactory]: Interpolants [14336#(and (<= 62 proc_a) (<= proc_a 62)), 14337#(and (<= 64 proc_a) (<= proc_a 64)), 14338#(and (<= 66 proc_a) (<= proc_a 66)), 14339#(and (<= 68 proc_a) (<= proc_a 68)), 14340#(and (<= proc_a 70) (<= 70 proc_a)), 14341#(and (<= 72 proc_a) (<= proc_a 72)), 14342#(and (<= proc_a 74) (<= 74 proc_a)), 14343#(and (<= proc_a 76) (<= 76 proc_a)), 14344#(and (<= 78 proc_a) (<= proc_a 78)), 14345#(and (<= proc_a 80) (<= 80 proc_a)), 14346#(and (<= 82 proc_a) (<= proc_a 82)), 14347#(and (<= proc_a 84) (<= 84 proc_a)), 14348#(and (<= 86 proc_a) (<= proc_a 86)), 14349#(and (<= 88 proc_a) (<= proc_a 88)), 14350#(and (<= proc_a 90) (<= 90 proc_a)), 14351#(and (<= 92 proc_a) (<= proc_a 92)), 14352#(and (<= proc_a 94) (<= 94 proc_a)), 14353#(and (<= proc_a 96) (<= 96 proc_a)), 14354#(and (<= 98 proc_a) (<= proc_a 98)), 14355#(and (<= proc_a 100) (<= 100 proc_a)), 14356#(and (<= 102 proc_a) (<= proc_a 102)), 14357#(and (<= proc_a 104) (<= 104 proc_a)), 14358#(and (<= 106 proc_a) (<= proc_a 106)), 14359#(and (<= proc_a 108) (<= 108 proc_a)), 14360#(and (<= proc_a 110) (<= 110 proc_a)), 14361#(and (<= proc_a 112) (<= 112 proc_a)), 14362#(and (<= 114 proc_a) (<= proc_a 114)), 14363#(and (<= 116 proc_a) (<= proc_a 116)), 14364#(and (<= proc_a 118) (<= 118 proc_a)), 14365#(and (<= 120 proc_a) (<= proc_a 120)), 14366#(and (<= proc_a 122) (<= 122 proc_a)), 14367#(and (<= proc_a 124) (<= 124 proc_a)), 14368#(and (<= proc_a 126) (<= 126 proc_a)), 14369#(and (<= 128 proc_a) (<= proc_a 128)), 14370#(and (<= proc_a 130) (<= 130 proc_a)), 14371#(and (<= 132 proc_a) (<= proc_a 132)), 14372#(and (<= proc_a 134) (<= 134 proc_a)), 14373#(and (<= proc_a 136) (<= 136 proc_a)), 14374#(and (<= proc_a 138) (<= 138 proc_a)), 14375#(and (<= proc_a 140) (<= 140 proc_a)), 14376#(and (<= 142 proc_a) (<= proc_a 142)), 14377#(and (<= 144 proc_a) (<= proc_a 144)), 14303#true, 14304#false, 14305#(and (<= proc_a 0) (<= 0 proc_a)), 14306#(and (<= 2 proc_a) (<= proc_a 2)), 14307#(and (<= 4 proc_a) (<= proc_a 4)), 14308#(and (<= 6 proc_a) (<= proc_a 6)), 14309#(and (<= proc_a 8) (<= 8 proc_a)), 14310#(and (<= 10 proc_a) (<= proc_a 10)), 14311#(and (<= proc_a 12) (<= 12 proc_a)), 14312#(and (<= 14 proc_a) (<= proc_a 14)), 14313#(and (<= proc_a 16) (<= 16 proc_a)), 14314#(and (<= 18 proc_a) (<= proc_a 18)), 14315#(and (<= 20 proc_a) (<= proc_a 20)), 14316#(and (<= 22 proc_a) (<= proc_a 22)), 14317#(and (<= 24 proc_a) (<= proc_a 24)), 14318#(and (<= 26 proc_a) (<= proc_a 26)), 14319#(and (<= proc_a 28) (<= 28 proc_a)), 14320#(and (<= proc_a 30) (<= 30 proc_a)), 14321#(and (<= 32 proc_a) (<= proc_a 32)), 14322#(and (<= 34 proc_a) (<= proc_a 34)), 14323#(and (<= 36 proc_a) (<= proc_a 36)), 14324#(and (<= 38 proc_a) (<= proc_a 38)), 14325#(and (<= 40 proc_a) (<= proc_a 40)), 14326#(and (<= proc_a 42) (<= 42 proc_a)), 14327#(and (<= proc_a 44) (<= 44 proc_a)), 14328#(and (<= proc_a 46) (<= 46 proc_a)), 14329#(and (<= 48 proc_a) (<= proc_a 48)), 14330#(and (<= 50 proc_a) (<= proc_a 50)), 14331#(and (<= 52 proc_a) (<= proc_a 52)), 14332#(and (<= 54 proc_a) (<= proc_a 54)), 14333#(and (<= proc_a 56) (<= 56 proc_a)), 14334#(and (<= proc_a 58) (<= 58 proc_a)), 14335#(and (<= 60 proc_a) (<= proc_a 60))] [2018-07-23 13:51:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:06,270 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:51:06,271 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:51:06,271 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:51:06,271 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 75 states. [2018-07-23 13:51:06,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:06,641 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:51:06,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:51:06,641 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 74 [2018-07-23 13:51:06,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:06,642 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:51:06,642 INFO L226 Difference]: Without dead ends: 76 [2018-07-23 13:51:06,642 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:51:06,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-07-23 13:51:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-07-23 13:51:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-07-23 13:51:06,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-07-23 13:51:06,645 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 74 [2018-07-23 13:51:06,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:06,646 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-07-23 13:51:06,646 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:51:06,646 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-07-23 13:51:06,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-07-23 13:51:06,646 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:06,646 INFO L357 BasicCegarLoop]: trace histogram [73, 1, 1] [2018-07-23 13:51:06,646 INFO L414 AbstractCegarLoop]: === Iteration 74 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:06,646 INFO L82 PathProgramCache]: Analyzing trace with hash 365428705, now seen corresponding path program 73 times [2018-07-23 13:51:06,647 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:06,999 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:07,000 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:51:07,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:07,001 INFO L185 omatonBuilderFactory]: Interpolants [14720#(and (<= 68 proc_a) (<= proc_a 68)), 14721#(and (<= proc_a 70) (<= 70 proc_a)), 14722#(and (<= 72 proc_a) (<= proc_a 72)), 14723#(and (<= proc_a 74) (<= 74 proc_a)), 14724#(and (<= proc_a 76) (<= 76 proc_a)), 14725#(and (<= 78 proc_a) (<= proc_a 78)), 14726#(and (<= proc_a 80) (<= 80 proc_a)), 14727#(and (<= 82 proc_a) (<= proc_a 82)), 14728#(and (<= proc_a 84) (<= 84 proc_a)), 14729#(and (<= 86 proc_a) (<= proc_a 86)), 14730#(and (<= 88 proc_a) (<= proc_a 88)), 14731#(and (<= proc_a 90) (<= 90 proc_a)), 14732#(and (<= 92 proc_a) (<= proc_a 92)), 14733#(and (<= proc_a 94) (<= 94 proc_a)), 14734#(and (<= proc_a 96) (<= 96 proc_a)), 14735#(and (<= 98 proc_a) (<= proc_a 98)), 14736#(and (<= proc_a 100) (<= 100 proc_a)), 14737#(and (<= 102 proc_a) (<= proc_a 102)), 14738#(and (<= proc_a 104) (<= 104 proc_a)), 14739#(and (<= 106 proc_a) (<= proc_a 106)), 14740#(and (<= proc_a 108) (<= 108 proc_a)), 14741#(and (<= proc_a 110) (<= 110 proc_a)), 14742#(and (<= proc_a 112) (<= 112 proc_a)), 14743#(and (<= 114 proc_a) (<= proc_a 114)), 14744#(and (<= 116 proc_a) (<= proc_a 116)), 14745#(and (<= proc_a 118) (<= 118 proc_a)), 14746#(and (<= 120 proc_a) (<= proc_a 120)), 14747#(and (<= proc_a 122) (<= 122 proc_a)), 14748#(and (<= proc_a 124) (<= 124 proc_a)), 14749#(and (<= proc_a 126) (<= 126 proc_a)), 14750#(and (<= 128 proc_a) (<= proc_a 128)), 14751#(and (<= proc_a 130) (<= 130 proc_a)), 14752#(and (<= 132 proc_a) (<= proc_a 132)), 14753#(and (<= proc_a 134) (<= 134 proc_a)), 14754#(and (<= proc_a 136) (<= 136 proc_a)), 14755#(and (<= proc_a 138) (<= 138 proc_a)), 14756#(and (<= proc_a 140) (<= 140 proc_a)), 14757#(and (<= 142 proc_a) (<= proc_a 142)), 14758#(and (<= 144 proc_a) (<= proc_a 144)), 14759#(and (<= proc_a 146) (<= 146 proc_a)), 14684#true, 14685#false, 14686#(and (<= proc_a 0) (<= 0 proc_a)), 14687#(and (<= 2 proc_a) (<= proc_a 2)), 14688#(and (<= 4 proc_a) (<= proc_a 4)), 14689#(and (<= 6 proc_a) (<= proc_a 6)), 14690#(and (<= proc_a 8) (<= 8 proc_a)), 14691#(and (<= 10 proc_a) (<= proc_a 10)), 14692#(and (<= proc_a 12) (<= 12 proc_a)), 14693#(and (<= 14 proc_a) (<= proc_a 14)), 14694#(and (<= proc_a 16) (<= 16 proc_a)), 14695#(and (<= 18 proc_a) (<= proc_a 18)), 14696#(and (<= 20 proc_a) (<= proc_a 20)), 14697#(and (<= 22 proc_a) (<= proc_a 22)), 14698#(and (<= 24 proc_a) (<= proc_a 24)), 14699#(and (<= 26 proc_a) (<= proc_a 26)), 14700#(and (<= proc_a 28) (<= 28 proc_a)), 14701#(and (<= proc_a 30) (<= 30 proc_a)), 14702#(and (<= 32 proc_a) (<= proc_a 32)), 14703#(and (<= 34 proc_a) (<= proc_a 34)), 14704#(and (<= 36 proc_a) (<= proc_a 36)), 14705#(and (<= 38 proc_a) (<= proc_a 38)), 14706#(and (<= 40 proc_a) (<= proc_a 40)), 14707#(and (<= proc_a 42) (<= 42 proc_a)), 14708#(and (<= proc_a 44) (<= 44 proc_a)), 14709#(and (<= proc_a 46) (<= 46 proc_a)), 14710#(and (<= 48 proc_a) (<= proc_a 48)), 14711#(and (<= 50 proc_a) (<= proc_a 50)), 14712#(and (<= 52 proc_a) (<= proc_a 52)), 14713#(and (<= 54 proc_a) (<= proc_a 54)), 14714#(and (<= proc_a 56) (<= 56 proc_a)), 14715#(and (<= proc_a 58) (<= 58 proc_a)), 14716#(and (<= 60 proc_a) (<= proc_a 60)), 14717#(and (<= 62 proc_a) (<= proc_a 62)), 14718#(and (<= 64 proc_a) (<= proc_a 64)), 14719#(and (<= 66 proc_a) (<= proc_a 66))] [2018-07-23 13:51:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:07,001 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:51:07,001 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:51:07,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:51:07,002 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 76 states. [2018-07-23 13:51:07,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:07,402 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-07-23 13:51:07,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:51:07,402 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 75 [2018-07-23 13:51:07,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:07,403 INFO L225 Difference]: With dead ends: 78 [2018-07-23 13:51:07,403 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:51:07,404 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:51:07,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:51:07,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:51:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:51:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:51:07,407 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2018-07-23 13:51:07,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:07,407 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:51:07,407 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:51:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:51:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:51:07,407 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:07,408 INFO L357 BasicCegarLoop]: trace histogram [74, 1, 1] [2018-07-23 13:51:07,408 INFO L414 AbstractCegarLoop]: === Iteration 75 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:07,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1556612089, now seen corresponding path program 74 times [2018-07-23 13:51:07,408 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:07,690 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:07,690 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:51:07,690 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:07,690 INFO L185 omatonBuilderFactory]: Interpolants [15104#(and (<= 64 proc_a) (<= proc_a 64)), 15105#(and (<= 66 proc_a) (<= proc_a 66)), 15106#(and (<= 68 proc_a) (<= proc_a 68)), 15107#(and (<= proc_a 70) (<= 70 proc_a)), 15108#(and (<= 72 proc_a) (<= proc_a 72)), 15109#(and (<= proc_a 74) (<= 74 proc_a)), 15110#(and (<= proc_a 76) (<= 76 proc_a)), 15111#(and (<= 78 proc_a) (<= proc_a 78)), 15112#(and (<= proc_a 80) (<= 80 proc_a)), 15113#(and (<= 82 proc_a) (<= proc_a 82)), 15114#(and (<= proc_a 84) (<= 84 proc_a)), 15115#(and (<= 86 proc_a) (<= proc_a 86)), 15116#(and (<= 88 proc_a) (<= proc_a 88)), 15117#(and (<= proc_a 90) (<= 90 proc_a)), 15118#(and (<= 92 proc_a) (<= proc_a 92)), 15119#(and (<= proc_a 94) (<= 94 proc_a)), 15120#(and (<= proc_a 96) (<= 96 proc_a)), 15121#(and (<= 98 proc_a) (<= proc_a 98)), 15122#(and (<= proc_a 100) (<= 100 proc_a)), 15123#(and (<= 102 proc_a) (<= proc_a 102)), 15124#(and (<= proc_a 104) (<= 104 proc_a)), 15125#(and (<= 106 proc_a) (<= proc_a 106)), 15126#(and (<= proc_a 108) (<= 108 proc_a)), 15127#(and (<= proc_a 110) (<= 110 proc_a)), 15128#(and (<= proc_a 112) (<= 112 proc_a)), 15129#(and (<= 114 proc_a) (<= proc_a 114)), 15130#(and (<= 116 proc_a) (<= proc_a 116)), 15131#(and (<= proc_a 118) (<= 118 proc_a)), 15132#(and (<= 120 proc_a) (<= proc_a 120)), 15133#(and (<= proc_a 122) (<= 122 proc_a)), 15134#(and (<= proc_a 124) (<= 124 proc_a)), 15135#(and (<= proc_a 126) (<= 126 proc_a)), 15136#(and (<= 128 proc_a) (<= proc_a 128)), 15137#(and (<= proc_a 130) (<= 130 proc_a)), 15138#(and (<= 132 proc_a) (<= proc_a 132)), 15139#(and (<= proc_a 134) (<= 134 proc_a)), 15140#(and (<= proc_a 136) (<= 136 proc_a)), 15141#(and (<= proc_a 138) (<= 138 proc_a)), 15142#(and (<= proc_a 140) (<= 140 proc_a)), 15143#(and (<= 142 proc_a) (<= proc_a 142)), 15144#(and (<= 144 proc_a) (<= proc_a 144)), 15145#(and (<= proc_a 146) (<= 146 proc_a)), 15146#(and (<= 148 proc_a) (<= proc_a 148)), 15070#true, 15071#false, 15072#(and (<= proc_a 0) (<= 0 proc_a)), 15073#(and (<= 2 proc_a) (<= proc_a 2)), 15074#(and (<= 4 proc_a) (<= proc_a 4)), 15075#(and (<= 6 proc_a) (<= proc_a 6)), 15076#(and (<= proc_a 8) (<= 8 proc_a)), 15077#(and (<= 10 proc_a) (<= proc_a 10)), 15078#(and (<= proc_a 12) (<= 12 proc_a)), 15079#(and (<= 14 proc_a) (<= proc_a 14)), 15080#(and (<= proc_a 16) (<= 16 proc_a)), 15081#(and (<= 18 proc_a) (<= proc_a 18)), 15082#(and (<= 20 proc_a) (<= proc_a 20)), 15083#(and (<= 22 proc_a) (<= proc_a 22)), 15084#(and (<= 24 proc_a) (<= proc_a 24)), 15085#(and (<= 26 proc_a) (<= proc_a 26)), 15086#(and (<= proc_a 28) (<= 28 proc_a)), 15087#(and (<= proc_a 30) (<= 30 proc_a)), 15088#(and (<= 32 proc_a) (<= proc_a 32)), 15089#(and (<= 34 proc_a) (<= proc_a 34)), 15090#(and (<= 36 proc_a) (<= proc_a 36)), 15091#(and (<= 38 proc_a) (<= proc_a 38)), 15092#(and (<= 40 proc_a) (<= proc_a 40)), 15093#(and (<= proc_a 42) (<= 42 proc_a)), 15094#(and (<= proc_a 44) (<= 44 proc_a)), 15095#(and (<= proc_a 46) (<= 46 proc_a)), 15096#(and (<= 48 proc_a) (<= proc_a 48)), 15097#(and (<= 50 proc_a) (<= proc_a 50)), 15098#(and (<= 52 proc_a) (<= proc_a 52)), 15099#(and (<= 54 proc_a) (<= proc_a 54)), 15100#(and (<= proc_a 56) (<= 56 proc_a)), 15101#(and (<= proc_a 58) (<= 58 proc_a)), 15102#(and (<= 60 proc_a) (<= proc_a 60)), 15103#(and (<= 62 proc_a) (<= proc_a 62))] [2018-07-23 13:51:07,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:07,691 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:51:07,691 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:51:07,691 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=5701, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:51:07,691 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 77 states. [2018-07-23 13:51:07,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:07,971 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:51:07,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:51:07,971 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 76 [2018-07-23 13:51:07,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:07,972 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:51:07,972 INFO L226 Difference]: Without dead ends: 78 [2018-07-23 13:51:07,973 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=5701, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:51:07,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-07-23 13:51:07,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-07-23 13:51:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-07-23 13:51:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-07-23 13:51:07,977 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 76 [2018-07-23 13:51:07,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:07,977 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-07-23 13:51:07,977 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:51:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-07-23 13:51:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-07-23 13:51:07,978 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:07,978 INFO L357 BasicCegarLoop]: trace histogram [75, 1, 1] [2018-07-23 13:51:07,978 INFO L414 AbstractCegarLoop]: === Iteration 76 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:07,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1010334559, now seen corresponding path program 75 times [2018-07-23 13:51:07,978 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:08,229 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:08,229 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:51:08,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:08,230 INFO L185 omatonBuilderFactory]: Interpolants [15488#(and (<= 50 proc_a) (<= proc_a 50)), 15489#(and (<= 52 proc_a) (<= proc_a 52)), 15490#(and (<= 54 proc_a) (<= proc_a 54)), 15491#(and (<= proc_a 56) (<= 56 proc_a)), 15492#(and (<= proc_a 58) (<= 58 proc_a)), 15493#(and (<= 60 proc_a) (<= proc_a 60)), 15494#(and (<= 62 proc_a) (<= proc_a 62)), 15495#(and (<= 64 proc_a) (<= proc_a 64)), 15496#(and (<= 66 proc_a) (<= proc_a 66)), 15497#(and (<= 68 proc_a) (<= proc_a 68)), 15498#(and (<= proc_a 70) (<= 70 proc_a)), 15499#(and (<= 72 proc_a) (<= proc_a 72)), 15500#(and (<= proc_a 74) (<= 74 proc_a)), 15501#(and (<= proc_a 76) (<= 76 proc_a)), 15502#(and (<= 78 proc_a) (<= proc_a 78)), 15503#(and (<= proc_a 80) (<= 80 proc_a)), 15504#(and (<= 82 proc_a) (<= proc_a 82)), 15505#(and (<= proc_a 84) (<= 84 proc_a)), 15506#(and (<= 86 proc_a) (<= proc_a 86)), 15507#(and (<= 88 proc_a) (<= proc_a 88)), 15508#(and (<= proc_a 90) (<= 90 proc_a)), 15509#(and (<= 92 proc_a) (<= proc_a 92)), 15510#(and (<= proc_a 94) (<= 94 proc_a)), 15511#(and (<= proc_a 96) (<= 96 proc_a)), 15512#(and (<= 98 proc_a) (<= proc_a 98)), 15513#(and (<= proc_a 100) (<= 100 proc_a)), 15514#(and (<= 102 proc_a) (<= proc_a 102)), 15515#(and (<= proc_a 104) (<= 104 proc_a)), 15516#(and (<= 106 proc_a) (<= proc_a 106)), 15517#(and (<= proc_a 108) (<= 108 proc_a)), 15518#(and (<= proc_a 110) (<= 110 proc_a)), 15519#(and (<= proc_a 112) (<= 112 proc_a)), 15520#(and (<= 114 proc_a) (<= proc_a 114)), 15521#(and (<= 116 proc_a) (<= proc_a 116)), 15522#(and (<= proc_a 118) (<= 118 proc_a)), 15523#(and (<= 120 proc_a) (<= proc_a 120)), 15524#(and (<= proc_a 122) (<= 122 proc_a)), 15525#(and (<= proc_a 124) (<= 124 proc_a)), 15526#(and (<= proc_a 126) (<= 126 proc_a)), 15527#(and (<= 128 proc_a) (<= proc_a 128)), 15528#(and (<= proc_a 130) (<= 130 proc_a)), 15529#(and (<= 132 proc_a) (<= proc_a 132)), 15530#(and (<= proc_a 134) (<= 134 proc_a)), 15531#(and (<= proc_a 136) (<= 136 proc_a)), 15532#(and (<= proc_a 138) (<= 138 proc_a)), 15533#(and (<= proc_a 140) (<= 140 proc_a)), 15534#(and (<= 142 proc_a) (<= proc_a 142)), 15535#(and (<= 144 proc_a) (<= proc_a 144)), 15536#(and (<= proc_a 146) (<= 146 proc_a)), 15537#(and (<= 148 proc_a) (<= proc_a 148)), 15538#(and (<= proc_a 150) (<= 150 proc_a)), 15461#true, 15462#false, 15463#(and (<= proc_a 0) (<= 0 proc_a)), 15464#(and (<= 2 proc_a) (<= proc_a 2)), 15465#(and (<= 4 proc_a) (<= proc_a 4)), 15466#(and (<= 6 proc_a) (<= proc_a 6)), 15467#(and (<= proc_a 8) (<= 8 proc_a)), 15468#(and (<= 10 proc_a) (<= proc_a 10)), 15469#(and (<= proc_a 12) (<= 12 proc_a)), 15470#(and (<= 14 proc_a) (<= proc_a 14)), 15471#(and (<= proc_a 16) (<= 16 proc_a)), 15472#(and (<= 18 proc_a) (<= proc_a 18)), 15473#(and (<= 20 proc_a) (<= proc_a 20)), 15474#(and (<= 22 proc_a) (<= proc_a 22)), 15475#(and (<= 24 proc_a) (<= proc_a 24)), 15476#(and (<= 26 proc_a) (<= proc_a 26)), 15477#(and (<= proc_a 28) (<= 28 proc_a)), 15478#(and (<= proc_a 30) (<= 30 proc_a)), 15479#(and (<= 32 proc_a) (<= proc_a 32)), 15480#(and (<= 34 proc_a) (<= proc_a 34)), 15481#(and (<= 36 proc_a) (<= proc_a 36)), 15482#(and (<= 38 proc_a) (<= proc_a 38)), 15483#(and (<= 40 proc_a) (<= proc_a 40)), 15484#(and (<= proc_a 42) (<= 42 proc_a)), 15485#(and (<= proc_a 44) (<= 44 proc_a)), 15486#(and (<= proc_a 46) (<= 46 proc_a)), 15487#(and (<= 48 proc_a) (<= proc_a 48))] [2018-07-23 13:51:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:08,230 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:51:08,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:51:08,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=5853, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:51:08,231 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 78 states. [2018-07-23 13:51:08,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:08,524 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-07-23 13:51:08,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:51:08,525 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 77 [2018-07-23 13:51:08,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:08,525 INFO L225 Difference]: With dead ends: 80 [2018-07-23 13:51:08,526 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:51:08,526 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=5853, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:51:08,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:51:08,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:51:08,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:51:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:51:08,531 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 77 [2018-07-23 13:51:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:08,532 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:51:08,532 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:51:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:51:08,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:51:08,533 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:08,533 INFO L357 BasicCegarLoop]: trace histogram [76, 1, 1] [2018-07-23 13:51:08,533 INFO L414 AbstractCegarLoop]: === Iteration 77 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:08,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1255600313, now seen corresponding path program 76 times [2018-07-23 13:51:08,533 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:09,037 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:09,037 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:51:09,038 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:09,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:09,038 INFO L185 omatonBuilderFactory]: Interpolants [15872#(and (<= 26 proc_a) (<= proc_a 26)), 15873#(and (<= proc_a 28) (<= 28 proc_a)), 15874#(and (<= proc_a 30) (<= 30 proc_a)), 15875#(and (<= 32 proc_a) (<= proc_a 32)), 15876#(and (<= 34 proc_a) (<= proc_a 34)), 15877#(and (<= 36 proc_a) (<= proc_a 36)), 15878#(and (<= 38 proc_a) (<= proc_a 38)), 15879#(and (<= 40 proc_a) (<= proc_a 40)), 15880#(and (<= proc_a 42) (<= 42 proc_a)), 15881#(and (<= proc_a 44) (<= 44 proc_a)), 15882#(and (<= proc_a 46) (<= 46 proc_a)), 15883#(and (<= 48 proc_a) (<= proc_a 48)), 15884#(and (<= 50 proc_a) (<= proc_a 50)), 15885#(and (<= 52 proc_a) (<= proc_a 52)), 15886#(and (<= 54 proc_a) (<= proc_a 54)), 15887#(and (<= proc_a 56) (<= 56 proc_a)), 15888#(and (<= proc_a 58) (<= 58 proc_a)), 15889#(and (<= 60 proc_a) (<= proc_a 60)), 15890#(and (<= 62 proc_a) (<= proc_a 62)), 15891#(and (<= 64 proc_a) (<= proc_a 64)), 15892#(and (<= 66 proc_a) (<= proc_a 66)), 15893#(and (<= 68 proc_a) (<= proc_a 68)), 15894#(and (<= proc_a 70) (<= 70 proc_a)), 15895#(and (<= 72 proc_a) (<= proc_a 72)), 15896#(and (<= proc_a 74) (<= 74 proc_a)), 15897#(and (<= proc_a 76) (<= 76 proc_a)), 15898#(and (<= 78 proc_a) (<= proc_a 78)), 15899#(and (<= proc_a 80) (<= 80 proc_a)), 15900#(and (<= 82 proc_a) (<= proc_a 82)), 15901#(and (<= proc_a 84) (<= 84 proc_a)), 15902#(and (<= 86 proc_a) (<= proc_a 86)), 15903#(and (<= 88 proc_a) (<= proc_a 88)), 15904#(and (<= proc_a 90) (<= 90 proc_a)), 15905#(and (<= 92 proc_a) (<= proc_a 92)), 15906#(and (<= proc_a 94) (<= 94 proc_a)), 15907#(and (<= proc_a 96) (<= 96 proc_a)), 15908#(and (<= 98 proc_a) (<= proc_a 98)), 15909#(and (<= proc_a 100) (<= 100 proc_a)), 15910#(and (<= 102 proc_a) (<= proc_a 102)), 15911#(and (<= proc_a 104) (<= 104 proc_a)), 15912#(and (<= 106 proc_a) (<= proc_a 106)), 15913#(and (<= proc_a 108) (<= 108 proc_a)), 15914#(and (<= proc_a 110) (<= 110 proc_a)), 15915#(and (<= proc_a 112) (<= 112 proc_a)), 15916#(and (<= 114 proc_a) (<= proc_a 114)), 15917#(and (<= 116 proc_a) (<= proc_a 116)), 15918#(and (<= proc_a 118) (<= 118 proc_a)), 15919#(and (<= 120 proc_a) (<= proc_a 120)), 15920#(and (<= proc_a 122) (<= 122 proc_a)), 15921#(and (<= proc_a 124) (<= 124 proc_a)), 15922#(and (<= proc_a 126) (<= 126 proc_a)), 15923#(and (<= 128 proc_a) (<= proc_a 128)), 15924#(and (<= proc_a 130) (<= 130 proc_a)), 15925#(and (<= 132 proc_a) (<= proc_a 132)), 15926#(and (<= proc_a 134) (<= 134 proc_a)), 15927#(and (<= proc_a 136) (<= 136 proc_a)), 15928#(and (<= proc_a 138) (<= 138 proc_a)), 15929#(and (<= proc_a 140) (<= 140 proc_a)), 15930#(and (<= 142 proc_a) (<= proc_a 142)), 15931#(and (<= 144 proc_a) (<= proc_a 144)), 15932#(and (<= proc_a 146) (<= 146 proc_a)), 15933#(and (<= 148 proc_a) (<= proc_a 148)), 15934#(and (<= proc_a 150) (<= 150 proc_a)), 15935#(and (<= proc_a 152) (<= 152 proc_a)), 15857#true, 15858#false, 15859#(and (<= proc_a 0) (<= 0 proc_a)), 15860#(and (<= 2 proc_a) (<= proc_a 2)), 15861#(and (<= 4 proc_a) (<= proc_a 4)), 15862#(and (<= 6 proc_a) (<= proc_a 6)), 15863#(and (<= proc_a 8) (<= 8 proc_a)), 15864#(and (<= 10 proc_a) (<= proc_a 10)), 15865#(and (<= proc_a 12) (<= 12 proc_a)), 15866#(and (<= 14 proc_a) (<= proc_a 14)), 15867#(and (<= proc_a 16) (<= 16 proc_a)), 15868#(and (<= 18 proc_a) (<= proc_a 18)), 15869#(and (<= 20 proc_a) (<= proc_a 20)), 15870#(and (<= 22 proc_a) (<= proc_a 22)), 15871#(and (<= 24 proc_a) (<= proc_a 24))] [2018-07-23 13:51:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:09,039 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:51:09,039 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:51:09,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:51:09,040 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 79 states. [2018-07-23 13:51:09,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:09,405 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:51:09,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:51:09,405 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 78 [2018-07-23 13:51:09,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:09,406 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:51:09,406 INFO L226 Difference]: Without dead ends: 80 [2018-07-23 13:51:09,407 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:51:09,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-07-23 13:51:09,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-07-23 13:51:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-23 13:51:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-07-23 13:51:09,410 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 78 [2018-07-23 13:51:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:09,410 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-07-23 13:51:09,411 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:51:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-07-23 13:51:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-07-23 13:51:09,411 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:09,411 INFO L357 BasicCegarLoop]: trace histogram [77, 1, 1] [2018-07-23 13:51:09,412 INFO L414 AbstractCegarLoop]: === Iteration 78 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:09,412 INFO L82 PathProgramCache]: Analyzing trace with hash -268904095, now seen corresponding path program 77 times [2018-07-23 13:51:09,412 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:09,670 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:09,670 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:51:09,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:09,671 INFO L185 omatonBuilderFactory]: Interpolants [16258#true, 16259#false, 16260#(and (<= proc_a 0) (<= 0 proc_a)), 16261#(and (<= 2 proc_a) (<= proc_a 2)), 16262#(and (<= 4 proc_a) (<= proc_a 4)), 16263#(and (<= 6 proc_a) (<= proc_a 6)), 16264#(and (<= proc_a 8) (<= 8 proc_a)), 16265#(and (<= 10 proc_a) (<= proc_a 10)), 16266#(and (<= proc_a 12) (<= 12 proc_a)), 16267#(and (<= 14 proc_a) (<= proc_a 14)), 16268#(and (<= proc_a 16) (<= 16 proc_a)), 16269#(and (<= 18 proc_a) (<= proc_a 18)), 16270#(and (<= 20 proc_a) (<= proc_a 20)), 16271#(and (<= 22 proc_a) (<= proc_a 22)), 16272#(and (<= 24 proc_a) (<= proc_a 24)), 16273#(and (<= 26 proc_a) (<= proc_a 26)), 16274#(and (<= proc_a 28) (<= 28 proc_a)), 16275#(and (<= proc_a 30) (<= 30 proc_a)), 16276#(and (<= 32 proc_a) (<= proc_a 32)), 16277#(and (<= 34 proc_a) (<= proc_a 34)), 16278#(and (<= 36 proc_a) (<= proc_a 36)), 16279#(and (<= 38 proc_a) (<= proc_a 38)), 16280#(and (<= 40 proc_a) (<= proc_a 40)), 16281#(and (<= proc_a 42) (<= 42 proc_a)), 16282#(and (<= proc_a 44) (<= 44 proc_a)), 16283#(and (<= proc_a 46) (<= 46 proc_a)), 16284#(and (<= 48 proc_a) (<= proc_a 48)), 16285#(and (<= 50 proc_a) (<= proc_a 50)), 16286#(and (<= 52 proc_a) (<= proc_a 52)), 16287#(and (<= 54 proc_a) (<= proc_a 54)), 16288#(and (<= proc_a 56) (<= 56 proc_a)), 16289#(and (<= proc_a 58) (<= 58 proc_a)), 16290#(and (<= 60 proc_a) (<= proc_a 60)), 16291#(and (<= 62 proc_a) (<= proc_a 62)), 16292#(and (<= 64 proc_a) (<= proc_a 64)), 16293#(and (<= 66 proc_a) (<= proc_a 66)), 16294#(and (<= 68 proc_a) (<= proc_a 68)), 16295#(and (<= proc_a 70) (<= 70 proc_a)), 16296#(and (<= 72 proc_a) (<= proc_a 72)), 16297#(and (<= proc_a 74) (<= 74 proc_a)), 16298#(and (<= proc_a 76) (<= 76 proc_a)), 16299#(and (<= 78 proc_a) (<= proc_a 78)), 16300#(and (<= proc_a 80) (<= 80 proc_a)), 16301#(and (<= 82 proc_a) (<= proc_a 82)), 16302#(and (<= proc_a 84) (<= 84 proc_a)), 16303#(and (<= 86 proc_a) (<= proc_a 86)), 16304#(and (<= 88 proc_a) (<= proc_a 88)), 16305#(and (<= proc_a 90) (<= 90 proc_a)), 16306#(and (<= 92 proc_a) (<= proc_a 92)), 16307#(and (<= proc_a 94) (<= 94 proc_a)), 16308#(and (<= proc_a 96) (<= 96 proc_a)), 16309#(and (<= 98 proc_a) (<= proc_a 98)), 16310#(and (<= proc_a 100) (<= 100 proc_a)), 16311#(and (<= 102 proc_a) (<= proc_a 102)), 16312#(and (<= proc_a 104) (<= 104 proc_a)), 16313#(and (<= 106 proc_a) (<= proc_a 106)), 16314#(and (<= proc_a 108) (<= 108 proc_a)), 16315#(and (<= proc_a 110) (<= 110 proc_a)), 16316#(and (<= proc_a 112) (<= 112 proc_a)), 16317#(and (<= 114 proc_a) (<= proc_a 114)), 16318#(and (<= 116 proc_a) (<= proc_a 116)), 16319#(and (<= proc_a 118) (<= 118 proc_a)), 16320#(and (<= 120 proc_a) (<= proc_a 120)), 16321#(and (<= proc_a 122) (<= 122 proc_a)), 16322#(and (<= proc_a 124) (<= 124 proc_a)), 16323#(and (<= proc_a 126) (<= 126 proc_a)), 16324#(and (<= 128 proc_a) (<= proc_a 128)), 16325#(and (<= proc_a 130) (<= 130 proc_a)), 16326#(and (<= 132 proc_a) (<= proc_a 132)), 16327#(and (<= proc_a 134) (<= 134 proc_a)), 16328#(and (<= proc_a 136) (<= 136 proc_a)), 16329#(and (<= proc_a 138) (<= 138 proc_a)), 16330#(and (<= proc_a 140) (<= 140 proc_a)), 16331#(and (<= 142 proc_a) (<= proc_a 142)), 16332#(and (<= 144 proc_a) (<= proc_a 144)), 16333#(and (<= proc_a 146) (<= 146 proc_a)), 16334#(and (<= 148 proc_a) (<= proc_a 148)), 16335#(and (<= proc_a 150) (<= 150 proc_a)), 16336#(and (<= proc_a 152) (<= 152 proc_a)), 16337#(and (<= 154 proc_a) (<= proc_a 154))] [2018-07-23 13:51:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:09,671 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:51:09,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:51:09,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=6163, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:51:09,672 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 80 states. [2018-07-23 13:51:09,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:09,969 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-07-23 13:51:09,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:51:09,969 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 79 [2018-07-23 13:51:09,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:09,970 INFO L225 Difference]: With dead ends: 82 [2018-07-23 13:51:09,970 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:51:09,971 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=6163, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:51:09,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:51:09,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:51:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:51:09,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:51:09,976 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 79 [2018-07-23 13:51:09,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:09,976 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:51:09,976 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:51:09,976 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:51:09,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:51:09,977 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:09,977 INFO L357 BasicCegarLoop]: trace histogram [78, 1, 1] [2018-07-23 13:51:09,977 INFO L414 AbstractCegarLoop]: === Iteration 79 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:09,977 INFO L82 PathProgramCache]: Analyzing trace with hash 253907591, now seen corresponding path program 78 times [2018-07-23 13:51:09,977 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:10,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:10,270 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:10,270 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:51:10,270 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:10,270 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 13:51:10,270 INFO L185 omatonBuilderFactory]: Interpolants [16664#true, 16665#false, 16666#(and (<= proc_a 0) (<= 0 proc_a)), 16667#(and (<= 2 proc_a) (<= proc_a 2)), 16668#(and (<= 4 proc_a) (<= proc_a 4)), 16669#(and (<= 6 proc_a) (<= proc_a 6)), 16670#(and (<= proc_a 8) (<= 8 proc_a)), 16671#(and (<= 10 proc_a) (<= proc_a 10)), 16672#(and (<= proc_a 12) (<= 12 proc_a)), 16673#(and (<= 14 proc_a) (<= proc_a 14)), 16674#(and (<= proc_a 16) (<= 16 proc_a)), 16675#(and (<= 18 proc_a) (<= proc_a 18)), 16676#(and (<= 20 proc_a) (<= proc_a 20)), 16677#(and (<= 22 proc_a) (<= proc_a 22)), 16678#(and (<= 24 proc_a) (<= proc_a 24)), 16679#(and (<= 26 proc_a) (<= proc_a 26)), 16680#(and (<= proc_a 28) (<= 28 proc_a)), 16681#(and (<= proc_a 30) (<= 30 proc_a)), 16682#(and (<= 32 proc_a) (<= proc_a 32)), 16683#(and (<= 34 proc_a) (<= proc_a 34)), 16684#(and (<= 36 proc_a) (<= proc_a 36)), 16685#(and (<= 38 proc_a) (<= proc_a 38)), 16686#(and (<= 40 proc_a) (<= proc_a 40)), 16687#(and (<= proc_a 42) (<= 42 proc_a)), 16688#(and (<= proc_a 44) (<= 44 proc_a)), 16689#(and (<= proc_a 46) (<= 46 proc_a)), 16690#(and (<= 48 proc_a) (<= proc_a 48)), 16691#(and (<= 50 proc_a) (<= proc_a 50)), 16692#(and (<= 52 proc_a) (<= proc_a 52)), 16693#(and (<= 54 proc_a) (<= proc_a 54)), 16694#(and (<= proc_a 56) (<= 56 proc_a)), 16695#(and (<= proc_a 58) (<= 58 proc_a)), 16696#(and (<= 60 proc_a) (<= proc_a 60)), 16697#(and (<= 62 proc_a) (<= proc_a 62)), 16698#(and (<= 64 proc_a) (<= proc_a 64)), 16699#(and (<= 66 proc_a) (<= proc_a 66)), 16700#(and (<= 68 proc_a) (<= proc_a 68)), 16701#(and (<= proc_a 70) (<= 70 proc_a)), 16702#(and (<= 72 proc_a) (<= proc_a 72)), 16703#(and (<= proc_a 74) (<= 74 proc_a)), 16704#(and (<= proc_a 76) (<= 76 proc_a)), 16705#(and (<= 78 proc_a) (<= proc_a 78)), 16706#(and (<= proc_a 80) (<= 80 proc_a)), 16707#(and (<= 82 proc_a) (<= proc_a 82)), 16708#(and (<= proc_a 84) (<= 84 proc_a)), 16709#(and (<= 86 proc_a) (<= proc_a 86)), 16710#(and (<= 88 proc_a) (<= proc_a 88)), 16711#(and (<= proc_a 90) (<= 90 proc_a)), 16712#(and (<= 92 proc_a) (<= proc_a 92)), 16713#(and (<= proc_a 94) (<= 94 proc_a)), 16714#(and (<= proc_a 96) (<= 96 proc_a)), 16715#(and (<= 98 proc_a) (<= proc_a 98)), 16716#(and (<= proc_a 100) (<= 100 proc_a)), 16717#(and (<= 102 proc_a) (<= proc_a 102)), 16718#(and (<= proc_a 104) (<= 104 proc_a)), 16719#(and (<= 106 proc_a) (<= proc_a 106)), 16720#(and (<= proc_a 108) (<= 108 proc_a)), 16721#(and (<= proc_a 110) (<= 110 proc_a)), 16722#(and (<= proc_a 112) (<= 112 proc_a)), 16723#(and (<= 114 proc_a) (<= proc_a 114)), 16724#(and (<= 116 proc_a) (<= proc_a 116)), 16725#(and (<= proc_a 118) (<= 118 proc_a)), 16726#(and (<= 120 proc_a) (<= proc_a 120)), 16727#(and (<= proc_a 122) (<= 122 proc_a)), 16728#(and (<= proc_a 124) (<= 124 proc_a)), 16729#(and (<= proc_a 126) (<= 126 proc_a)), 16730#(and (<= 128 proc_a) (<= proc_a 128)), 16731#(and (<= proc_a 130) (<= 130 proc_a)), 16732#(and (<= 132 proc_a) (<= proc_a 132)), 16733#(and (<= proc_a 134) (<= 134 proc_a)), 16734#(and (<= proc_a 136) (<= 136 proc_a)), 16735#(and (<= proc_a 138) (<= 138 proc_a)), 16736#(and (<= proc_a 140) (<= 140 proc_a)), 16737#(and (<= 142 proc_a) (<= proc_a 142)), 16738#(and (<= 144 proc_a) (<= proc_a 144)), 16739#(and (<= proc_a 146) (<= 146 proc_a)), 16740#(and (<= 148 proc_a) (<= proc_a 148)), 16741#(and (<= proc_a 150) (<= 150 proc_a)), 16742#(and (<= proc_a 152) (<= 152 proc_a)), 16743#(and (<= 154 proc_a) (<= proc_a 154)), 16744#(and (<= 156 proc_a) (<= proc_a 156))] [2018-07-23 13:51:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:10,271 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:51:10,271 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:51:10,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=6321, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:51:10,272 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 81 states. [2018-07-23 13:51:10,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:10,582 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:51:10,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:51:10,583 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 80 [2018-07-23 13:51:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:10,583 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:51:10,583 INFO L226 Difference]: Without dead ends: 82 [2018-07-23 13:51:10,584 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=6321, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:51:10,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-07-23 13:51:10,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-07-23 13:51:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-07-23 13:51:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-07-23 13:51:10,588 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 80 [2018-07-23 13:51:10,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:10,589 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-07-23 13:51:10,589 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:51:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-07-23 13:51:10,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-07-23 13:51:10,589 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:10,590 INFO L357 BasicCegarLoop]: trace histogram [79, 1, 1] [2018-07-23 13:51:10,590 INFO L414 AbstractCegarLoop]: === Iteration 80 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:10,590 INFO L82 PathProgramCache]: Analyzing trace with hash -718799327, now seen corresponding path program 79 times [2018-07-23 13:51:10,590 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:10,852 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:10,852 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:51:10,852 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:10,852 INFO L185 omatonBuilderFactory]: Interpolants [17152#(and (<= proc_a 150) (<= 150 proc_a)), 17153#(and (<= proc_a 152) (<= 152 proc_a)), 17154#(and (<= 154 proc_a) (<= proc_a 154)), 17155#(and (<= 156 proc_a) (<= proc_a 156)), 17156#(and (<= proc_a 158) (<= 158 proc_a)), 17075#true, 17076#false, 17077#(and (<= proc_a 0) (<= 0 proc_a)), 17078#(and (<= 2 proc_a) (<= proc_a 2)), 17079#(and (<= 4 proc_a) (<= proc_a 4)), 17080#(and (<= 6 proc_a) (<= proc_a 6)), 17081#(and (<= proc_a 8) (<= 8 proc_a)), 17082#(and (<= 10 proc_a) (<= proc_a 10)), 17083#(and (<= proc_a 12) (<= 12 proc_a)), 17084#(and (<= 14 proc_a) (<= proc_a 14)), 17085#(and (<= proc_a 16) (<= 16 proc_a)), 17086#(and (<= 18 proc_a) (<= proc_a 18)), 17087#(and (<= 20 proc_a) (<= proc_a 20)), 17088#(and (<= 22 proc_a) (<= proc_a 22)), 17089#(and (<= 24 proc_a) (<= proc_a 24)), 17090#(and (<= 26 proc_a) (<= proc_a 26)), 17091#(and (<= proc_a 28) (<= 28 proc_a)), 17092#(and (<= proc_a 30) (<= 30 proc_a)), 17093#(and (<= 32 proc_a) (<= proc_a 32)), 17094#(and (<= 34 proc_a) (<= proc_a 34)), 17095#(and (<= 36 proc_a) (<= proc_a 36)), 17096#(and (<= 38 proc_a) (<= proc_a 38)), 17097#(and (<= 40 proc_a) (<= proc_a 40)), 17098#(and (<= proc_a 42) (<= 42 proc_a)), 17099#(and (<= proc_a 44) (<= 44 proc_a)), 17100#(and (<= proc_a 46) (<= 46 proc_a)), 17101#(and (<= 48 proc_a) (<= proc_a 48)), 17102#(and (<= 50 proc_a) (<= proc_a 50)), 17103#(and (<= 52 proc_a) (<= proc_a 52)), 17104#(and (<= 54 proc_a) (<= proc_a 54)), 17105#(and (<= proc_a 56) (<= 56 proc_a)), 17106#(and (<= proc_a 58) (<= 58 proc_a)), 17107#(and (<= 60 proc_a) (<= proc_a 60)), 17108#(and (<= 62 proc_a) (<= proc_a 62)), 17109#(and (<= 64 proc_a) (<= proc_a 64)), 17110#(and (<= 66 proc_a) (<= proc_a 66)), 17111#(and (<= 68 proc_a) (<= proc_a 68)), 17112#(and (<= proc_a 70) (<= 70 proc_a)), 17113#(and (<= 72 proc_a) (<= proc_a 72)), 17114#(and (<= proc_a 74) (<= 74 proc_a)), 17115#(and (<= proc_a 76) (<= 76 proc_a)), 17116#(and (<= 78 proc_a) (<= proc_a 78)), 17117#(and (<= proc_a 80) (<= 80 proc_a)), 17118#(and (<= 82 proc_a) (<= proc_a 82)), 17119#(and (<= proc_a 84) (<= 84 proc_a)), 17120#(and (<= 86 proc_a) (<= proc_a 86)), 17121#(and (<= 88 proc_a) (<= proc_a 88)), 17122#(and (<= proc_a 90) (<= 90 proc_a)), 17123#(and (<= 92 proc_a) (<= proc_a 92)), 17124#(and (<= proc_a 94) (<= 94 proc_a)), 17125#(and (<= proc_a 96) (<= 96 proc_a)), 17126#(and (<= 98 proc_a) (<= proc_a 98)), 17127#(and (<= proc_a 100) (<= 100 proc_a)), 17128#(and (<= 102 proc_a) (<= proc_a 102)), 17129#(and (<= proc_a 104) (<= 104 proc_a)), 17130#(and (<= 106 proc_a) (<= proc_a 106)), 17131#(and (<= proc_a 108) (<= 108 proc_a)), 17132#(and (<= proc_a 110) (<= 110 proc_a)), 17133#(and (<= proc_a 112) (<= 112 proc_a)), 17134#(and (<= 114 proc_a) (<= proc_a 114)), 17135#(and (<= 116 proc_a) (<= proc_a 116)), 17136#(and (<= proc_a 118) (<= 118 proc_a)), 17137#(and (<= 120 proc_a) (<= proc_a 120)), 17138#(and (<= proc_a 122) (<= 122 proc_a)), 17139#(and (<= proc_a 124) (<= 124 proc_a)), 17140#(and (<= proc_a 126) (<= 126 proc_a)), 17141#(and (<= 128 proc_a) (<= proc_a 128)), 17142#(and (<= proc_a 130) (<= 130 proc_a)), 17143#(and (<= 132 proc_a) (<= proc_a 132)), 17144#(and (<= proc_a 134) (<= 134 proc_a)), 17145#(and (<= proc_a 136) (<= 136 proc_a)), 17146#(and (<= proc_a 138) (<= 138 proc_a)), 17147#(and (<= proc_a 140) (<= 140 proc_a)), 17148#(and (<= 142 proc_a) (<= proc_a 142)), 17149#(and (<= 144 proc_a) (<= proc_a 144)), 17150#(and (<= proc_a 146) (<= 146 proc_a)), 17151#(and (<= 148 proc_a) (<= proc_a 148))] [2018-07-23 13:51:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:10,853 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:51:10,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:51:10,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=6481, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:51:10,853 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 82 states. [2018-07-23 13:51:11,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:11,169 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-07-23 13:51:11,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:51:11,169 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 81 [2018-07-23 13:51:11,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:11,170 INFO L225 Difference]: With dead ends: 84 [2018-07-23 13:51:11,170 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:51:11,170 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=6481, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:51:11,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:51:11,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:51:11,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:51:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:51:11,175 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 81 [2018-07-23 13:51:11,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:11,175 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:51:11,175 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:51:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:51:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:51:11,176 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:11,176 INFO L357 BasicCegarLoop]: trace histogram [80, 1, 1] [2018-07-23 13:51:11,176 INFO L414 AbstractCegarLoop]: === Iteration 81 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:11,176 INFO L82 PathProgramCache]: Analyzing trace with hash -807942713, now seen corresponding path program 80 times [2018-07-23 13:51:11,176 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:11,498 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:11,498 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:51:11,498 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:11,498 INFO L185 omatonBuilderFactory]: Interpolants [17536#(and (<= 86 proc_a) (<= proc_a 86)), 17537#(and (<= 88 proc_a) (<= proc_a 88)), 17538#(and (<= proc_a 90) (<= 90 proc_a)), 17539#(and (<= 92 proc_a) (<= proc_a 92)), 17540#(and (<= proc_a 94) (<= 94 proc_a)), 17541#(and (<= proc_a 96) (<= 96 proc_a)), 17542#(and (<= 98 proc_a) (<= proc_a 98)), 17543#(and (<= proc_a 100) (<= 100 proc_a)), 17544#(and (<= 102 proc_a) (<= proc_a 102)), 17545#(and (<= proc_a 104) (<= 104 proc_a)), 17546#(and (<= 106 proc_a) (<= proc_a 106)), 17547#(and (<= proc_a 108) (<= 108 proc_a)), 17548#(and (<= proc_a 110) (<= 110 proc_a)), 17549#(and (<= proc_a 112) (<= 112 proc_a)), 17550#(and (<= 114 proc_a) (<= proc_a 114)), 17551#(and (<= 116 proc_a) (<= proc_a 116)), 17552#(and (<= proc_a 118) (<= 118 proc_a)), 17553#(and (<= 120 proc_a) (<= proc_a 120)), 17554#(and (<= proc_a 122) (<= 122 proc_a)), 17555#(and (<= proc_a 124) (<= 124 proc_a)), 17556#(and (<= proc_a 126) (<= 126 proc_a)), 17557#(and (<= 128 proc_a) (<= proc_a 128)), 17558#(and (<= proc_a 130) (<= 130 proc_a)), 17559#(and (<= 132 proc_a) (<= proc_a 132)), 17560#(and (<= proc_a 134) (<= 134 proc_a)), 17561#(and (<= proc_a 136) (<= 136 proc_a)), 17562#(and (<= proc_a 138) (<= 138 proc_a)), 17563#(and (<= proc_a 140) (<= 140 proc_a)), 17564#(and (<= 142 proc_a) (<= proc_a 142)), 17565#(and (<= 144 proc_a) (<= proc_a 144)), 17566#(and (<= proc_a 146) (<= 146 proc_a)), 17567#(and (<= 148 proc_a) (<= proc_a 148)), 17568#(and (<= proc_a 150) (<= 150 proc_a)), 17569#(and (<= proc_a 152) (<= 152 proc_a)), 17570#(and (<= 154 proc_a) (<= proc_a 154)), 17571#(and (<= 156 proc_a) (<= proc_a 156)), 17572#(and (<= proc_a 158) (<= 158 proc_a)), 17573#(and (<= 160 proc_a) (<= proc_a 160)), 17491#true, 17492#false, 17493#(and (<= proc_a 0) (<= 0 proc_a)), 17494#(and (<= 2 proc_a) (<= proc_a 2)), 17495#(and (<= 4 proc_a) (<= proc_a 4)), 17496#(and (<= 6 proc_a) (<= proc_a 6)), 17497#(and (<= proc_a 8) (<= 8 proc_a)), 17498#(and (<= 10 proc_a) (<= proc_a 10)), 17499#(and (<= proc_a 12) (<= 12 proc_a)), 17500#(and (<= 14 proc_a) (<= proc_a 14)), 17501#(and (<= proc_a 16) (<= 16 proc_a)), 17502#(and (<= 18 proc_a) (<= proc_a 18)), 17503#(and (<= 20 proc_a) (<= proc_a 20)), 17504#(and (<= 22 proc_a) (<= proc_a 22)), 17505#(and (<= 24 proc_a) (<= proc_a 24)), 17506#(and (<= 26 proc_a) (<= proc_a 26)), 17507#(and (<= proc_a 28) (<= 28 proc_a)), 17508#(and (<= proc_a 30) (<= 30 proc_a)), 17509#(and (<= 32 proc_a) (<= proc_a 32)), 17510#(and (<= 34 proc_a) (<= proc_a 34)), 17511#(and (<= 36 proc_a) (<= proc_a 36)), 17512#(and (<= 38 proc_a) (<= proc_a 38)), 17513#(and (<= 40 proc_a) (<= proc_a 40)), 17514#(and (<= proc_a 42) (<= 42 proc_a)), 17515#(and (<= proc_a 44) (<= 44 proc_a)), 17516#(and (<= proc_a 46) (<= 46 proc_a)), 17517#(and (<= 48 proc_a) (<= proc_a 48)), 17518#(and (<= 50 proc_a) (<= proc_a 50)), 17519#(and (<= 52 proc_a) (<= proc_a 52)), 17520#(and (<= 54 proc_a) (<= proc_a 54)), 17521#(and (<= proc_a 56) (<= 56 proc_a)), 17522#(and (<= proc_a 58) (<= 58 proc_a)), 17523#(and (<= 60 proc_a) (<= proc_a 60)), 17524#(and (<= 62 proc_a) (<= proc_a 62)), 17525#(and (<= 64 proc_a) (<= proc_a 64)), 17526#(and (<= 66 proc_a) (<= proc_a 66)), 17527#(and (<= 68 proc_a) (<= proc_a 68)), 17528#(and (<= proc_a 70) (<= 70 proc_a)), 17529#(and (<= 72 proc_a) (<= proc_a 72)), 17530#(and (<= proc_a 74) (<= 74 proc_a)), 17531#(and (<= proc_a 76) (<= 76 proc_a)), 17532#(and (<= 78 proc_a) (<= proc_a 78)), 17533#(and (<= proc_a 80) (<= 80 proc_a)), 17534#(and (<= 82 proc_a) (<= proc_a 82)), 17535#(and (<= proc_a 84) (<= 84 proc_a))] [2018-07-23 13:51:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:11,499 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:51:11,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:51:11,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=6643, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:51:11,500 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 83 states. [2018-07-23 13:51:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:11,844 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:51:11,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:51:11,844 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 82 [2018-07-23 13:51:11,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:11,845 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:51:11,845 INFO L226 Difference]: Without dead ends: 84 [2018-07-23 13:51:11,846 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=6643, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:51:11,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-07-23 13:51:11,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-07-23 13:51:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-07-23 13:51:11,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-07-23 13:51:11,850 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 82 [2018-07-23 13:51:11,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:11,850 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-07-23 13:51:11,850 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:51:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-07-23 13:51:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-07-23 13:51:11,851 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:11,851 INFO L357 BasicCegarLoop]: trace histogram [81, 1, 1] [2018-07-23 13:51:11,851 INFO L414 AbstractCegarLoop]: === Iteration 82 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:11,851 INFO L82 PathProgramCache]: Analyzing trace with hash 723579617, now seen corresponding path program 81 times [2018-07-23 13:51:11,851 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:12,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:12,136 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:12,136 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:51:12,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:12,137 INFO L185 omatonBuilderFactory]: Interpolants [17920#(and (<= proc_a 12) (<= 12 proc_a)), 17921#(and (<= 14 proc_a) (<= proc_a 14)), 17922#(and (<= proc_a 16) (<= 16 proc_a)), 17923#(and (<= 18 proc_a) (<= proc_a 18)), 17924#(and (<= 20 proc_a) (<= proc_a 20)), 17925#(and (<= 22 proc_a) (<= proc_a 22)), 17926#(and (<= 24 proc_a) (<= proc_a 24)), 17927#(and (<= 26 proc_a) (<= proc_a 26)), 17928#(and (<= proc_a 28) (<= 28 proc_a)), 17929#(and (<= proc_a 30) (<= 30 proc_a)), 17930#(and (<= 32 proc_a) (<= proc_a 32)), 17931#(and (<= 34 proc_a) (<= proc_a 34)), 17932#(and (<= 36 proc_a) (<= proc_a 36)), 17933#(and (<= 38 proc_a) (<= proc_a 38)), 17934#(and (<= 40 proc_a) (<= proc_a 40)), 17935#(and (<= proc_a 42) (<= 42 proc_a)), 17936#(and (<= proc_a 44) (<= 44 proc_a)), 17937#(and (<= proc_a 46) (<= 46 proc_a)), 17938#(and (<= 48 proc_a) (<= proc_a 48)), 17939#(and (<= 50 proc_a) (<= proc_a 50)), 17940#(and (<= 52 proc_a) (<= proc_a 52)), 17941#(and (<= 54 proc_a) (<= proc_a 54)), 17942#(and (<= proc_a 56) (<= 56 proc_a)), 17943#(and (<= proc_a 58) (<= 58 proc_a)), 17944#(and (<= 60 proc_a) (<= proc_a 60)), 17945#(and (<= 62 proc_a) (<= proc_a 62)), 17946#(and (<= 64 proc_a) (<= proc_a 64)), 17947#(and (<= 66 proc_a) (<= proc_a 66)), 17948#(and (<= 68 proc_a) (<= proc_a 68)), 17949#(and (<= proc_a 70) (<= 70 proc_a)), 17950#(and (<= 72 proc_a) (<= proc_a 72)), 17951#(and (<= proc_a 74) (<= 74 proc_a)), 17952#(and (<= proc_a 76) (<= 76 proc_a)), 17953#(and (<= 78 proc_a) (<= proc_a 78)), 17954#(and (<= proc_a 80) (<= 80 proc_a)), 17955#(and (<= 82 proc_a) (<= proc_a 82)), 17956#(and (<= proc_a 84) (<= 84 proc_a)), 17957#(and (<= 86 proc_a) (<= proc_a 86)), 17958#(and (<= 88 proc_a) (<= proc_a 88)), 17959#(and (<= proc_a 90) (<= 90 proc_a)), 17960#(and (<= 92 proc_a) (<= proc_a 92)), 17961#(and (<= proc_a 94) (<= 94 proc_a)), 17962#(and (<= proc_a 96) (<= 96 proc_a)), 17963#(and (<= 98 proc_a) (<= proc_a 98)), 17964#(and (<= proc_a 100) (<= 100 proc_a)), 17965#(and (<= 102 proc_a) (<= proc_a 102)), 17966#(and (<= proc_a 104) (<= 104 proc_a)), 17967#(and (<= 106 proc_a) (<= proc_a 106)), 17968#(and (<= proc_a 108) (<= 108 proc_a)), 17969#(and (<= proc_a 110) (<= 110 proc_a)), 17970#(and (<= proc_a 112) (<= 112 proc_a)), 17971#(and (<= 114 proc_a) (<= proc_a 114)), 17972#(and (<= 116 proc_a) (<= proc_a 116)), 17973#(and (<= proc_a 118) (<= 118 proc_a)), 17974#(and (<= 120 proc_a) (<= proc_a 120)), 17975#(and (<= proc_a 122) (<= 122 proc_a)), 17976#(and (<= proc_a 124) (<= 124 proc_a)), 17977#(and (<= proc_a 126) (<= 126 proc_a)), 17978#(and (<= 128 proc_a) (<= proc_a 128)), 17979#(and (<= proc_a 130) (<= 130 proc_a)), 17980#(and (<= 132 proc_a) (<= proc_a 132)), 17981#(and (<= proc_a 134) (<= 134 proc_a)), 17982#(and (<= proc_a 136) (<= 136 proc_a)), 17983#(and (<= proc_a 138) (<= 138 proc_a)), 17984#(and (<= proc_a 140) (<= 140 proc_a)), 17985#(and (<= 142 proc_a) (<= proc_a 142)), 17986#(and (<= 144 proc_a) (<= proc_a 144)), 17987#(and (<= proc_a 146) (<= 146 proc_a)), 17988#(and (<= 148 proc_a) (<= proc_a 148)), 17989#(and (<= proc_a 150) (<= 150 proc_a)), 17990#(and (<= proc_a 152) (<= 152 proc_a)), 17991#(and (<= 154 proc_a) (<= proc_a 154)), 17992#(and (<= 156 proc_a) (<= proc_a 156)), 17993#(and (<= proc_a 158) (<= 158 proc_a)), 17994#(and (<= 160 proc_a) (<= proc_a 160)), 17995#(and (<= proc_a 162) (<= 162 proc_a)), 17912#true, 17913#false, 17914#(and (<= proc_a 0) (<= 0 proc_a)), 17915#(and (<= 2 proc_a) (<= proc_a 2)), 17916#(and (<= 4 proc_a) (<= proc_a 4)), 17917#(and (<= 6 proc_a) (<= proc_a 6)), 17918#(and (<= proc_a 8) (<= 8 proc_a)), 17919#(and (<= 10 proc_a) (<= proc_a 10))] [2018-07-23 13:51:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:12,137 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:51:12,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:51:12,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=6807, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:51:12,138 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 84 states. [2018-07-23 13:51:12,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:12,471 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-07-23 13:51:12,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:51:12,471 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 83 [2018-07-23 13:51:12,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:12,472 INFO L225 Difference]: With dead ends: 86 [2018-07-23 13:51:12,472 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:51:12,472 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=6807, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:51:12,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:51:12,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:51:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:51:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:51:12,476 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 83 [2018-07-23 13:51:12,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:12,476 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:51:12,476 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:51:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:51:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:51:12,477 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:12,477 INFO L357 BasicCegarLoop]: trace histogram [82, 1, 1] [2018-07-23 13:51:12,477 INFO L414 AbstractCegarLoop]: === Iteration 83 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:12,477 INFO L82 PathProgramCache]: Analyzing trace with hash 956131591, now seen corresponding path program 82 times [2018-07-23 13:51:12,477 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:12,762 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:12,762 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:51:12,762 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:12,762 INFO L185 omatonBuilderFactory]: Interpolants [18338#true, 18339#false, 18340#(and (<= proc_a 0) (<= 0 proc_a)), 18341#(and (<= 2 proc_a) (<= proc_a 2)), 18342#(and (<= 4 proc_a) (<= proc_a 4)), 18343#(and (<= 6 proc_a) (<= proc_a 6)), 18344#(and (<= proc_a 8) (<= 8 proc_a)), 18345#(and (<= 10 proc_a) (<= proc_a 10)), 18346#(and (<= proc_a 12) (<= 12 proc_a)), 18347#(and (<= 14 proc_a) (<= proc_a 14)), 18348#(and (<= proc_a 16) (<= 16 proc_a)), 18349#(and (<= 18 proc_a) (<= proc_a 18)), 18350#(and (<= 20 proc_a) (<= proc_a 20)), 18351#(and (<= 22 proc_a) (<= proc_a 22)), 18352#(and (<= 24 proc_a) (<= proc_a 24)), 18353#(and (<= 26 proc_a) (<= proc_a 26)), 18354#(and (<= proc_a 28) (<= 28 proc_a)), 18355#(and (<= proc_a 30) (<= 30 proc_a)), 18356#(and (<= 32 proc_a) (<= proc_a 32)), 18357#(and (<= 34 proc_a) (<= proc_a 34)), 18358#(and (<= 36 proc_a) (<= proc_a 36)), 18359#(and (<= 38 proc_a) (<= proc_a 38)), 18360#(and (<= 40 proc_a) (<= proc_a 40)), 18361#(and (<= proc_a 42) (<= 42 proc_a)), 18362#(and (<= proc_a 44) (<= 44 proc_a)), 18363#(and (<= proc_a 46) (<= 46 proc_a)), 18364#(and (<= 48 proc_a) (<= proc_a 48)), 18365#(and (<= 50 proc_a) (<= proc_a 50)), 18366#(and (<= 52 proc_a) (<= proc_a 52)), 18367#(and (<= 54 proc_a) (<= proc_a 54)), 18368#(and (<= proc_a 56) (<= 56 proc_a)), 18369#(and (<= proc_a 58) (<= 58 proc_a)), 18370#(and (<= 60 proc_a) (<= proc_a 60)), 18371#(and (<= 62 proc_a) (<= proc_a 62)), 18372#(and (<= 64 proc_a) (<= proc_a 64)), 18373#(and (<= 66 proc_a) (<= proc_a 66)), 18374#(and (<= 68 proc_a) (<= proc_a 68)), 18375#(and (<= proc_a 70) (<= 70 proc_a)), 18376#(and (<= 72 proc_a) (<= proc_a 72)), 18377#(and (<= proc_a 74) (<= 74 proc_a)), 18378#(and (<= proc_a 76) (<= 76 proc_a)), 18379#(and (<= 78 proc_a) (<= proc_a 78)), 18380#(and (<= proc_a 80) (<= 80 proc_a)), 18381#(and (<= 82 proc_a) (<= proc_a 82)), 18382#(and (<= proc_a 84) (<= 84 proc_a)), 18383#(and (<= 86 proc_a) (<= proc_a 86)), 18384#(and (<= 88 proc_a) (<= proc_a 88)), 18385#(and (<= proc_a 90) (<= 90 proc_a)), 18386#(and (<= 92 proc_a) (<= proc_a 92)), 18387#(and (<= proc_a 94) (<= 94 proc_a)), 18388#(and (<= proc_a 96) (<= 96 proc_a)), 18389#(and (<= 98 proc_a) (<= proc_a 98)), 18390#(and (<= proc_a 100) (<= 100 proc_a)), 18391#(and (<= 102 proc_a) (<= proc_a 102)), 18392#(and (<= proc_a 104) (<= 104 proc_a)), 18393#(and (<= 106 proc_a) (<= proc_a 106)), 18394#(and (<= proc_a 108) (<= 108 proc_a)), 18395#(and (<= proc_a 110) (<= 110 proc_a)), 18396#(and (<= proc_a 112) (<= 112 proc_a)), 18397#(and (<= 114 proc_a) (<= proc_a 114)), 18398#(and (<= 116 proc_a) (<= proc_a 116)), 18399#(and (<= proc_a 118) (<= 118 proc_a)), 18400#(and (<= 120 proc_a) (<= proc_a 120)), 18401#(and (<= proc_a 122) (<= 122 proc_a)), 18402#(and (<= proc_a 124) (<= 124 proc_a)), 18403#(and (<= proc_a 126) (<= 126 proc_a)), 18404#(and (<= 128 proc_a) (<= proc_a 128)), 18405#(and (<= proc_a 130) (<= 130 proc_a)), 18406#(and (<= 132 proc_a) (<= proc_a 132)), 18407#(and (<= proc_a 134) (<= 134 proc_a)), 18408#(and (<= proc_a 136) (<= 136 proc_a)), 18409#(and (<= proc_a 138) (<= 138 proc_a)), 18410#(and (<= proc_a 140) (<= 140 proc_a)), 18411#(and (<= 142 proc_a) (<= proc_a 142)), 18412#(and (<= 144 proc_a) (<= proc_a 144)), 18413#(and (<= proc_a 146) (<= 146 proc_a)), 18414#(and (<= 148 proc_a) (<= proc_a 148)), 18415#(and (<= proc_a 150) (<= 150 proc_a)), 18416#(and (<= proc_a 152) (<= 152 proc_a)), 18417#(and (<= 154 proc_a) (<= proc_a 154)), 18418#(and (<= 156 proc_a) (<= proc_a 156)), 18419#(and (<= proc_a 158) (<= 158 proc_a)), 18420#(and (<= 160 proc_a) (<= proc_a 160)), 18421#(and (<= proc_a 162) (<= 162 proc_a)), 18422#(and (<= 164 proc_a) (<= proc_a 164))] [2018-07-23 13:51:12,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:12,763 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:51:12,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:51:12,764 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:51:12,764 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 85 states. [2018-07-23 13:51:13,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:13,113 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:51:13,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:51:13,114 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 84 [2018-07-23 13:51:13,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:13,114 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:51:13,114 INFO L226 Difference]: Without dead ends: 86 [2018-07-23 13:51:13,115 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:51:13,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-07-23 13:51:13,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-07-23 13:51:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-07-23 13:51:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-07-23 13:51:13,119 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 86 transitions. Word has length 84 [2018-07-23 13:51:13,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:13,119 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 86 transitions. [2018-07-23 13:51:13,120 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:51:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-07-23 13:51:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-07-23 13:51:13,120 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:13,120 INFO L357 BasicCegarLoop]: trace histogram [83, 1, 1] [2018-07-23 13:51:13,120 INFO L414 AbstractCegarLoop]: === Iteration 84 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:13,121 INFO L82 PathProgramCache]: Analyzing trace with hash -424691807, now seen corresponding path program 83 times [2018-07-23 13:51:13,121 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:13,474 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:13,474 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:51:13,474 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:13,474 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 13:51:13,475 INFO L185 omatonBuilderFactory]: Interpolants [18816#(and (<= proc_a 90) (<= 90 proc_a)), 18817#(and (<= 92 proc_a) (<= proc_a 92)), 18818#(and (<= proc_a 94) (<= 94 proc_a)), 18819#(and (<= proc_a 96) (<= 96 proc_a)), 18820#(and (<= 98 proc_a) (<= proc_a 98)), 18821#(and (<= proc_a 100) (<= 100 proc_a)), 18822#(and (<= 102 proc_a) (<= proc_a 102)), 18823#(and (<= proc_a 104) (<= 104 proc_a)), 18824#(and (<= 106 proc_a) (<= proc_a 106)), 18825#(and (<= proc_a 108) (<= 108 proc_a)), 18826#(and (<= proc_a 110) (<= 110 proc_a)), 18827#(and (<= proc_a 112) (<= 112 proc_a)), 18828#(and (<= 114 proc_a) (<= proc_a 114)), 18829#(and (<= 116 proc_a) (<= proc_a 116)), 18830#(and (<= proc_a 118) (<= 118 proc_a)), 18831#(and (<= 120 proc_a) (<= proc_a 120)), 18832#(and (<= proc_a 122) (<= 122 proc_a)), 18833#(and (<= proc_a 124) (<= 124 proc_a)), 18834#(and (<= proc_a 126) (<= 126 proc_a)), 18835#(and (<= 128 proc_a) (<= proc_a 128)), 18836#(and (<= proc_a 130) (<= 130 proc_a)), 18837#(and (<= 132 proc_a) (<= proc_a 132)), 18838#(and (<= proc_a 134) (<= 134 proc_a)), 18839#(and (<= proc_a 136) (<= 136 proc_a)), 18840#(and (<= proc_a 138) (<= 138 proc_a)), 18841#(and (<= proc_a 140) (<= 140 proc_a)), 18842#(and (<= 142 proc_a) (<= proc_a 142)), 18843#(and (<= 144 proc_a) (<= proc_a 144)), 18844#(and (<= proc_a 146) (<= 146 proc_a)), 18845#(and (<= 148 proc_a) (<= proc_a 148)), 18846#(and (<= proc_a 150) (<= 150 proc_a)), 18847#(and (<= proc_a 152) (<= 152 proc_a)), 18848#(and (<= 154 proc_a) (<= proc_a 154)), 18849#(and (<= 156 proc_a) (<= proc_a 156)), 18850#(and (<= proc_a 158) (<= 158 proc_a)), 18851#(and (<= 160 proc_a) (<= proc_a 160)), 18852#(and (<= proc_a 162) (<= 162 proc_a)), 18853#(and (<= 164 proc_a) (<= proc_a 164)), 18854#(and (<= 166 proc_a) (<= proc_a 166)), 18769#true, 18770#false, 18771#(and (<= proc_a 0) (<= 0 proc_a)), 18772#(and (<= 2 proc_a) (<= proc_a 2)), 18773#(and (<= 4 proc_a) (<= proc_a 4)), 18774#(and (<= 6 proc_a) (<= proc_a 6)), 18775#(and (<= proc_a 8) (<= 8 proc_a)), 18776#(and (<= 10 proc_a) (<= proc_a 10)), 18777#(and (<= proc_a 12) (<= 12 proc_a)), 18778#(and (<= 14 proc_a) (<= proc_a 14)), 18779#(and (<= proc_a 16) (<= 16 proc_a)), 18780#(and (<= 18 proc_a) (<= proc_a 18)), 18781#(and (<= 20 proc_a) (<= proc_a 20)), 18782#(and (<= 22 proc_a) (<= proc_a 22)), 18783#(and (<= 24 proc_a) (<= proc_a 24)), 18784#(and (<= 26 proc_a) (<= proc_a 26)), 18785#(and (<= proc_a 28) (<= 28 proc_a)), 18786#(and (<= proc_a 30) (<= 30 proc_a)), 18787#(and (<= 32 proc_a) (<= proc_a 32)), 18788#(and (<= 34 proc_a) (<= proc_a 34)), 18789#(and (<= 36 proc_a) (<= proc_a 36)), 18790#(and (<= 38 proc_a) (<= proc_a 38)), 18791#(and (<= 40 proc_a) (<= proc_a 40)), 18792#(and (<= proc_a 42) (<= 42 proc_a)), 18793#(and (<= proc_a 44) (<= 44 proc_a)), 18794#(and (<= proc_a 46) (<= 46 proc_a)), 18795#(and (<= 48 proc_a) (<= proc_a 48)), 18796#(and (<= 50 proc_a) (<= proc_a 50)), 18797#(and (<= 52 proc_a) (<= proc_a 52)), 18798#(and (<= 54 proc_a) (<= proc_a 54)), 18799#(and (<= proc_a 56) (<= 56 proc_a)), 18800#(and (<= proc_a 58) (<= 58 proc_a)), 18801#(and (<= 60 proc_a) (<= proc_a 60)), 18802#(and (<= 62 proc_a) (<= proc_a 62)), 18803#(and (<= 64 proc_a) (<= proc_a 64)), 18804#(and (<= 66 proc_a) (<= proc_a 66)), 18805#(and (<= 68 proc_a) (<= proc_a 68)), 18806#(and (<= proc_a 70) (<= 70 proc_a)), 18807#(and (<= 72 proc_a) (<= proc_a 72)), 18808#(and (<= proc_a 74) (<= 74 proc_a)), 18809#(and (<= proc_a 76) (<= 76 proc_a)), 18810#(and (<= 78 proc_a) (<= proc_a 78)), 18811#(and (<= proc_a 80) (<= 80 proc_a)), 18812#(and (<= 82 proc_a) (<= proc_a 82)), 18813#(and (<= proc_a 84) (<= 84 proc_a)), 18814#(and (<= 86 proc_a) (<= proc_a 86)), 18815#(and (<= 88 proc_a) (<= proc_a 88))] [2018-07-23 13:51:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:13,475 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:51:13,476 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:51:13,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:51:13,476 INFO L87 Difference]: Start difference. First operand 86 states and 86 transitions. Second operand 86 states. [2018-07-23 13:51:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:13,923 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-07-23 13:51:13,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:51:13,923 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 85 [2018-07-23 13:51:13,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:13,924 INFO L225 Difference]: With dead ends: 88 [2018-07-23 13:51:13,924 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:51:13,924 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:51:13,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:51:13,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:51:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:51:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:51:13,929 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 85 [2018-07-23 13:51:13,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:13,929 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:51:13,929 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:51:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:51:13,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:51:13,930 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:13,930 INFO L357 BasicCegarLoop]: trace histogram [84, 1, 1] [2018-07-23 13:51:13,930 INFO L414 AbstractCegarLoop]: === Iteration 85 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:13,930 INFO L82 PathProgramCache]: Analyzing trace with hash -280544185, now seen corresponding path program 84 times [2018-07-23 13:51:13,931 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:14,218 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:14,218 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:51:14,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:14,218 INFO L185 omatonBuilderFactory]: Interpolants [19205#true, 19206#false, 19207#(and (<= proc_a 0) (<= 0 proc_a)), 19208#(and (<= 2 proc_a) (<= proc_a 2)), 19209#(and (<= 4 proc_a) (<= proc_a 4)), 19210#(and (<= 6 proc_a) (<= proc_a 6)), 19211#(and (<= proc_a 8) (<= 8 proc_a)), 19212#(and (<= 10 proc_a) (<= proc_a 10)), 19213#(and (<= proc_a 12) (<= 12 proc_a)), 19214#(and (<= 14 proc_a) (<= proc_a 14)), 19215#(and (<= proc_a 16) (<= 16 proc_a)), 19216#(and (<= 18 proc_a) (<= proc_a 18)), 19217#(and (<= 20 proc_a) (<= proc_a 20)), 19218#(and (<= 22 proc_a) (<= proc_a 22)), 19219#(and (<= 24 proc_a) (<= proc_a 24)), 19220#(and (<= 26 proc_a) (<= proc_a 26)), 19221#(and (<= proc_a 28) (<= 28 proc_a)), 19222#(and (<= proc_a 30) (<= 30 proc_a)), 19223#(and (<= 32 proc_a) (<= proc_a 32)), 19224#(and (<= 34 proc_a) (<= proc_a 34)), 19225#(and (<= 36 proc_a) (<= proc_a 36)), 19226#(and (<= 38 proc_a) (<= proc_a 38)), 19227#(and (<= 40 proc_a) (<= proc_a 40)), 19228#(and (<= proc_a 42) (<= 42 proc_a)), 19229#(and (<= proc_a 44) (<= 44 proc_a)), 19230#(and (<= proc_a 46) (<= 46 proc_a)), 19231#(and (<= 48 proc_a) (<= proc_a 48)), 19232#(and (<= 50 proc_a) (<= proc_a 50)), 19233#(and (<= 52 proc_a) (<= proc_a 52)), 19234#(and (<= 54 proc_a) (<= proc_a 54)), 19235#(and (<= proc_a 56) (<= 56 proc_a)), 19236#(and (<= proc_a 58) (<= 58 proc_a)), 19237#(and (<= 60 proc_a) (<= proc_a 60)), 19238#(and (<= 62 proc_a) (<= proc_a 62)), 19239#(and (<= 64 proc_a) (<= proc_a 64)), 19240#(and (<= 66 proc_a) (<= proc_a 66)), 19241#(and (<= 68 proc_a) (<= proc_a 68)), 19242#(and (<= proc_a 70) (<= 70 proc_a)), 19243#(and (<= 72 proc_a) (<= proc_a 72)), 19244#(and (<= proc_a 74) (<= 74 proc_a)), 19245#(and (<= proc_a 76) (<= 76 proc_a)), 19246#(and (<= 78 proc_a) (<= proc_a 78)), 19247#(and (<= proc_a 80) (<= 80 proc_a)), 19248#(and (<= 82 proc_a) (<= proc_a 82)), 19249#(and (<= proc_a 84) (<= 84 proc_a)), 19250#(and (<= 86 proc_a) (<= proc_a 86)), 19251#(and (<= 88 proc_a) (<= proc_a 88)), 19252#(and (<= proc_a 90) (<= 90 proc_a)), 19253#(and (<= 92 proc_a) (<= proc_a 92)), 19254#(and (<= proc_a 94) (<= 94 proc_a)), 19255#(and (<= proc_a 96) (<= 96 proc_a)), 19256#(and (<= 98 proc_a) (<= proc_a 98)), 19257#(and (<= proc_a 100) (<= 100 proc_a)), 19258#(and (<= 102 proc_a) (<= proc_a 102)), 19259#(and (<= proc_a 104) (<= 104 proc_a)), 19260#(and (<= 106 proc_a) (<= proc_a 106)), 19261#(and (<= proc_a 108) (<= 108 proc_a)), 19262#(and (<= proc_a 110) (<= 110 proc_a)), 19263#(and (<= proc_a 112) (<= 112 proc_a)), 19264#(and (<= 114 proc_a) (<= proc_a 114)), 19265#(and (<= 116 proc_a) (<= proc_a 116)), 19266#(and (<= proc_a 118) (<= 118 proc_a)), 19267#(and (<= 120 proc_a) (<= proc_a 120)), 19268#(and (<= proc_a 122) (<= 122 proc_a)), 19269#(and (<= proc_a 124) (<= 124 proc_a)), 19270#(and (<= proc_a 126) (<= 126 proc_a)), 19271#(and (<= 128 proc_a) (<= proc_a 128)), 19272#(and (<= proc_a 130) (<= 130 proc_a)), 19273#(and (<= 132 proc_a) (<= proc_a 132)), 19274#(and (<= proc_a 134) (<= 134 proc_a)), 19275#(and (<= proc_a 136) (<= 136 proc_a)), 19276#(and (<= proc_a 138) (<= 138 proc_a)), 19277#(and (<= proc_a 140) (<= 140 proc_a)), 19278#(and (<= 142 proc_a) (<= proc_a 142)), 19279#(and (<= 144 proc_a) (<= proc_a 144)), 19280#(and (<= proc_a 146) (<= 146 proc_a)), 19281#(and (<= 148 proc_a) (<= proc_a 148)), 19282#(and (<= proc_a 150) (<= 150 proc_a)), 19283#(and (<= proc_a 152) (<= 152 proc_a)), 19284#(and (<= 154 proc_a) (<= proc_a 154)), 19285#(and (<= 156 proc_a) (<= proc_a 156)), 19286#(and (<= proc_a 158) (<= 158 proc_a)), 19287#(and (<= 160 proc_a) (<= proc_a 160)), 19288#(and (<= proc_a 162) (<= 162 proc_a)), 19289#(and (<= 164 proc_a) (<= proc_a 164)), 19290#(and (<= 166 proc_a) (<= proc_a 166)), 19291#(and (<= 168 proc_a) (<= proc_a 168))] [2018-07-23 13:51:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:14,219 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:51:14,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:51:14,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:51:14,220 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 87 states. [2018-07-23 13:51:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:14,567 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:51:14,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:51:14,568 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 86 [2018-07-23 13:51:14,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:14,568 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:51:14,568 INFO L226 Difference]: Without dead ends: 88 [2018-07-23 13:51:14,569 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:51:14,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-07-23 13:51:14,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-07-23 13:51:14,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-07-23 13:51:14,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-07-23 13:51:14,574 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 86 [2018-07-23 13:51:14,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:14,574 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-07-23 13:51:14,574 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:51:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-07-23 13:51:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-23 13:51:14,575 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:14,575 INFO L357 BasicCegarLoop]: trace histogram [85, 1, 1] [2018-07-23 13:51:14,575 INFO L414 AbstractCegarLoop]: === Iteration 86 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:14,575 INFO L82 PathProgramCache]: Analyzing trace with hash -106935199, now seen corresponding path program 85 times [2018-07-23 13:51:14,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:14,914 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:14,914 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:51:14,914 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:14,915 INFO L185 omatonBuilderFactory]: Interpolants [19712#(and (<= 128 proc_a) (<= proc_a 128)), 19713#(and (<= proc_a 130) (<= 130 proc_a)), 19714#(and (<= 132 proc_a) (<= proc_a 132)), 19715#(and (<= proc_a 134) (<= 134 proc_a)), 19716#(and (<= proc_a 136) (<= 136 proc_a)), 19717#(and (<= proc_a 138) (<= 138 proc_a)), 19718#(and (<= proc_a 140) (<= 140 proc_a)), 19719#(and (<= 142 proc_a) (<= proc_a 142)), 19720#(and (<= 144 proc_a) (<= proc_a 144)), 19721#(and (<= proc_a 146) (<= 146 proc_a)), 19722#(and (<= 148 proc_a) (<= proc_a 148)), 19723#(and (<= proc_a 150) (<= 150 proc_a)), 19724#(and (<= proc_a 152) (<= 152 proc_a)), 19725#(and (<= 154 proc_a) (<= proc_a 154)), 19726#(and (<= 156 proc_a) (<= proc_a 156)), 19727#(and (<= proc_a 158) (<= 158 proc_a)), 19728#(and (<= 160 proc_a) (<= proc_a 160)), 19729#(and (<= proc_a 162) (<= 162 proc_a)), 19730#(and (<= 164 proc_a) (<= proc_a 164)), 19731#(and (<= 166 proc_a) (<= proc_a 166)), 19732#(and (<= 168 proc_a) (<= proc_a 168)), 19733#(and (<= 170 proc_a) (<= proc_a 170)), 19646#true, 19647#false, 19648#(and (<= proc_a 0) (<= 0 proc_a)), 19649#(and (<= 2 proc_a) (<= proc_a 2)), 19650#(and (<= 4 proc_a) (<= proc_a 4)), 19651#(and (<= 6 proc_a) (<= proc_a 6)), 19652#(and (<= proc_a 8) (<= 8 proc_a)), 19653#(and (<= 10 proc_a) (<= proc_a 10)), 19654#(and (<= proc_a 12) (<= 12 proc_a)), 19655#(and (<= 14 proc_a) (<= proc_a 14)), 19656#(and (<= proc_a 16) (<= 16 proc_a)), 19657#(and (<= 18 proc_a) (<= proc_a 18)), 19658#(and (<= 20 proc_a) (<= proc_a 20)), 19659#(and (<= 22 proc_a) (<= proc_a 22)), 19660#(and (<= 24 proc_a) (<= proc_a 24)), 19661#(and (<= 26 proc_a) (<= proc_a 26)), 19662#(and (<= proc_a 28) (<= 28 proc_a)), 19663#(and (<= proc_a 30) (<= 30 proc_a)), 19664#(and (<= 32 proc_a) (<= proc_a 32)), 19665#(and (<= 34 proc_a) (<= proc_a 34)), 19666#(and (<= 36 proc_a) (<= proc_a 36)), 19667#(and (<= 38 proc_a) (<= proc_a 38)), 19668#(and (<= 40 proc_a) (<= proc_a 40)), 19669#(and (<= proc_a 42) (<= 42 proc_a)), 19670#(and (<= proc_a 44) (<= 44 proc_a)), 19671#(and (<= proc_a 46) (<= 46 proc_a)), 19672#(and (<= 48 proc_a) (<= proc_a 48)), 19673#(and (<= 50 proc_a) (<= proc_a 50)), 19674#(and (<= 52 proc_a) (<= proc_a 52)), 19675#(and (<= 54 proc_a) (<= proc_a 54)), 19676#(and (<= proc_a 56) (<= 56 proc_a)), 19677#(and (<= proc_a 58) (<= 58 proc_a)), 19678#(and (<= 60 proc_a) (<= proc_a 60)), 19679#(and (<= 62 proc_a) (<= proc_a 62)), 19680#(and (<= 64 proc_a) (<= proc_a 64)), 19681#(and (<= 66 proc_a) (<= proc_a 66)), 19682#(and (<= 68 proc_a) (<= proc_a 68)), 19683#(and (<= proc_a 70) (<= 70 proc_a)), 19684#(and (<= 72 proc_a) (<= proc_a 72)), 19685#(and (<= proc_a 74) (<= 74 proc_a)), 19686#(and (<= proc_a 76) (<= 76 proc_a)), 19687#(and (<= 78 proc_a) (<= proc_a 78)), 19688#(and (<= proc_a 80) (<= 80 proc_a)), 19689#(and (<= 82 proc_a) (<= proc_a 82)), 19690#(and (<= proc_a 84) (<= 84 proc_a)), 19691#(and (<= 86 proc_a) (<= proc_a 86)), 19692#(and (<= 88 proc_a) (<= proc_a 88)), 19693#(and (<= proc_a 90) (<= 90 proc_a)), 19694#(and (<= 92 proc_a) (<= proc_a 92)), 19695#(and (<= proc_a 94) (<= 94 proc_a)), 19696#(and (<= proc_a 96) (<= 96 proc_a)), 19697#(and (<= 98 proc_a) (<= proc_a 98)), 19698#(and (<= proc_a 100) (<= 100 proc_a)), 19699#(and (<= 102 proc_a) (<= proc_a 102)), 19700#(and (<= proc_a 104) (<= 104 proc_a)), 19701#(and (<= 106 proc_a) (<= proc_a 106)), 19702#(and (<= proc_a 108) (<= 108 proc_a)), 19703#(and (<= proc_a 110) (<= 110 proc_a)), 19704#(and (<= proc_a 112) (<= 112 proc_a)), 19705#(and (<= 114 proc_a) (<= proc_a 114)), 19706#(and (<= 116 proc_a) (<= proc_a 116)), 19707#(and (<= proc_a 118) (<= 118 proc_a)), 19708#(and (<= 120 proc_a) (<= proc_a 120)), 19709#(and (<= proc_a 122) (<= 122 proc_a)), 19710#(and (<= proc_a 124) (<= 124 proc_a)), 19711#(and (<= proc_a 126) (<= 126 proc_a))] [2018-07-23 13:51:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:14,915 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:51:14,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:51:14,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:51:14,916 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 88 states. [2018-07-23 13:51:15,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:15,276 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-07-23 13:51:15,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:51:15,276 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 87 [2018-07-23 13:51:15,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:15,276 INFO L225 Difference]: With dead ends: 90 [2018-07-23 13:51:15,277 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:51:15,277 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:51:15,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:51:15,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:51:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:51:15,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:51:15,282 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 87 [2018-07-23 13:51:15,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:15,282 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:51:15,282 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:51:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:51:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:51:15,283 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:15,283 INFO L357 BasicCegarLoop]: trace histogram [86, 1, 1] [2018-07-23 13:51:15,283 INFO L414 AbstractCegarLoop]: === Iteration 87 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:15,283 INFO L82 PathProgramCache]: Analyzing trace with hash 979976071, now seen corresponding path program 86 times [2018-07-23 13:51:15,283 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:15,605 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:15,605 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:51:15,605 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:15,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:15,606 INFO L185 omatonBuilderFactory]: Interpolants [20096#(and (<= 4 proc_a) (<= proc_a 4)), 20097#(and (<= 6 proc_a) (<= proc_a 6)), 20098#(and (<= proc_a 8) (<= 8 proc_a)), 20099#(and (<= 10 proc_a) (<= proc_a 10)), 20100#(and (<= proc_a 12) (<= 12 proc_a)), 20101#(and (<= 14 proc_a) (<= proc_a 14)), 20102#(and (<= proc_a 16) (<= 16 proc_a)), 20103#(and (<= 18 proc_a) (<= proc_a 18)), 20104#(and (<= 20 proc_a) (<= proc_a 20)), 20105#(and (<= 22 proc_a) (<= proc_a 22)), 20106#(and (<= 24 proc_a) (<= proc_a 24)), 20107#(and (<= 26 proc_a) (<= proc_a 26)), 20108#(and (<= proc_a 28) (<= 28 proc_a)), 20109#(and (<= proc_a 30) (<= 30 proc_a)), 20110#(and (<= 32 proc_a) (<= proc_a 32)), 20111#(and (<= 34 proc_a) (<= proc_a 34)), 20112#(and (<= 36 proc_a) (<= proc_a 36)), 20113#(and (<= 38 proc_a) (<= proc_a 38)), 20114#(and (<= 40 proc_a) (<= proc_a 40)), 20115#(and (<= proc_a 42) (<= 42 proc_a)), 20116#(and (<= proc_a 44) (<= 44 proc_a)), 20117#(and (<= proc_a 46) (<= 46 proc_a)), 20118#(and (<= 48 proc_a) (<= proc_a 48)), 20119#(and (<= 50 proc_a) (<= proc_a 50)), 20120#(and (<= 52 proc_a) (<= proc_a 52)), 20121#(and (<= 54 proc_a) (<= proc_a 54)), 20122#(and (<= proc_a 56) (<= 56 proc_a)), 20123#(and (<= proc_a 58) (<= 58 proc_a)), 20124#(and (<= 60 proc_a) (<= proc_a 60)), 20125#(and (<= 62 proc_a) (<= proc_a 62)), 20126#(and (<= 64 proc_a) (<= proc_a 64)), 20127#(and (<= 66 proc_a) (<= proc_a 66)), 20128#(and (<= 68 proc_a) (<= proc_a 68)), 20129#(and (<= proc_a 70) (<= 70 proc_a)), 20130#(and (<= 72 proc_a) (<= proc_a 72)), 20131#(and (<= proc_a 74) (<= 74 proc_a)), 20132#(and (<= proc_a 76) (<= 76 proc_a)), 20133#(and (<= 78 proc_a) (<= proc_a 78)), 20134#(and (<= proc_a 80) (<= 80 proc_a)), 20135#(and (<= 82 proc_a) (<= proc_a 82)), 20136#(and (<= proc_a 84) (<= 84 proc_a)), 20137#(and (<= 86 proc_a) (<= proc_a 86)), 20138#(and (<= 88 proc_a) (<= proc_a 88)), 20139#(and (<= proc_a 90) (<= 90 proc_a)), 20140#(and (<= 92 proc_a) (<= proc_a 92)), 20141#(and (<= proc_a 94) (<= 94 proc_a)), 20142#(and (<= proc_a 96) (<= 96 proc_a)), 20143#(and (<= 98 proc_a) (<= proc_a 98)), 20144#(and (<= proc_a 100) (<= 100 proc_a)), 20145#(and (<= 102 proc_a) (<= proc_a 102)), 20146#(and (<= proc_a 104) (<= 104 proc_a)), 20147#(and (<= 106 proc_a) (<= proc_a 106)), 20148#(and (<= proc_a 108) (<= 108 proc_a)), 20149#(and (<= proc_a 110) (<= 110 proc_a)), 20150#(and (<= proc_a 112) (<= 112 proc_a)), 20151#(and (<= 114 proc_a) (<= proc_a 114)), 20152#(and (<= 116 proc_a) (<= proc_a 116)), 20153#(and (<= proc_a 118) (<= 118 proc_a)), 20154#(and (<= 120 proc_a) (<= proc_a 120)), 20155#(and (<= proc_a 122) (<= 122 proc_a)), 20156#(and (<= proc_a 124) (<= 124 proc_a)), 20157#(and (<= proc_a 126) (<= 126 proc_a)), 20158#(and (<= 128 proc_a) (<= proc_a 128)), 20159#(and (<= proc_a 130) (<= 130 proc_a)), 20160#(and (<= 132 proc_a) (<= proc_a 132)), 20161#(and (<= proc_a 134) (<= 134 proc_a)), 20162#(and (<= proc_a 136) (<= 136 proc_a)), 20163#(and (<= proc_a 138) (<= 138 proc_a)), 20164#(and (<= proc_a 140) (<= 140 proc_a)), 20165#(and (<= 142 proc_a) (<= proc_a 142)), 20166#(and (<= 144 proc_a) (<= proc_a 144)), 20167#(and (<= proc_a 146) (<= 146 proc_a)), 20168#(and (<= 148 proc_a) (<= proc_a 148)), 20169#(and (<= proc_a 150) (<= 150 proc_a)), 20170#(and (<= proc_a 152) (<= 152 proc_a)), 20171#(and (<= 154 proc_a) (<= proc_a 154)), 20172#(and (<= 156 proc_a) (<= proc_a 156)), 20173#(and (<= proc_a 158) (<= 158 proc_a)), 20174#(and (<= 160 proc_a) (<= proc_a 160)), 20175#(and (<= proc_a 162) (<= 162 proc_a)), 20176#(and (<= 164 proc_a) (<= proc_a 164)), 20177#(and (<= 166 proc_a) (<= proc_a 166)), 20178#(and (<= 168 proc_a) (<= proc_a 168)), 20179#(and (<= 170 proc_a) (<= proc_a 170)), 20180#(and (<= 172 proc_a) (<= proc_a 172)), 20092#true, 20093#false, 20094#(and (<= proc_a 0) (<= 0 proc_a)), 20095#(and (<= 2 proc_a) (<= proc_a 2))] [2018-07-23 13:51:15,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:15,607 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:51:15,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:51:15,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:51:15,607 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 89 states. [2018-07-23 13:51:15,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:15,975 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:51:15,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:51:15,975 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 88 [2018-07-23 13:51:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:15,976 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:51:15,976 INFO L226 Difference]: Without dead ends: 90 [2018-07-23 13:51:15,977 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:51:15,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-07-23 13:51:15,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-07-23 13:51:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-07-23 13:51:15,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-07-23 13:51:15,980 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 88 [2018-07-23 13:51:15,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:15,981 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-07-23 13:51:15,981 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:51:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-07-23 13:51:15,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-07-23 13:51:15,981 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:15,981 INFO L357 BasicCegarLoop]: trace histogram [87, 1, 1] [2018-07-23 13:51:15,982 INFO L414 AbstractCegarLoop]: === Iteration 88 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:15,982 INFO L82 PathProgramCache]: Analyzing trace with hash 314487073, now seen corresponding path program 87 times [2018-07-23 13:51:15,982 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:16,351 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:16,351 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:51:16,351 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:16,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:16,352 INFO L185 omatonBuilderFactory]: Interpolants [20608#(and (<= proc_a 126) (<= 126 proc_a)), 20609#(and (<= 128 proc_a) (<= proc_a 128)), 20610#(and (<= proc_a 130) (<= 130 proc_a)), 20611#(and (<= 132 proc_a) (<= proc_a 132)), 20612#(and (<= proc_a 134) (<= 134 proc_a)), 20613#(and (<= proc_a 136) (<= 136 proc_a)), 20614#(and (<= proc_a 138) (<= 138 proc_a)), 20615#(and (<= proc_a 140) (<= 140 proc_a)), 20616#(and (<= 142 proc_a) (<= proc_a 142)), 20617#(and (<= 144 proc_a) (<= proc_a 144)), 20618#(and (<= proc_a 146) (<= 146 proc_a)), 20619#(and (<= 148 proc_a) (<= proc_a 148)), 20620#(and (<= proc_a 150) (<= 150 proc_a)), 20621#(and (<= proc_a 152) (<= 152 proc_a)), 20622#(and (<= 154 proc_a) (<= proc_a 154)), 20623#(and (<= 156 proc_a) (<= proc_a 156)), 20624#(and (<= proc_a 158) (<= 158 proc_a)), 20625#(and (<= 160 proc_a) (<= proc_a 160)), 20626#(and (<= proc_a 162) (<= 162 proc_a)), 20627#(and (<= 164 proc_a) (<= proc_a 164)), 20628#(and (<= 166 proc_a) (<= proc_a 166)), 20629#(and (<= 168 proc_a) (<= proc_a 168)), 20630#(and (<= 170 proc_a) (<= proc_a 170)), 20631#(and (<= 172 proc_a) (<= proc_a 172)), 20632#(and (<= proc_a 174) (<= 174 proc_a)), 20543#true, 20544#false, 20545#(and (<= proc_a 0) (<= 0 proc_a)), 20546#(and (<= 2 proc_a) (<= proc_a 2)), 20547#(and (<= 4 proc_a) (<= proc_a 4)), 20548#(and (<= 6 proc_a) (<= proc_a 6)), 20549#(and (<= proc_a 8) (<= 8 proc_a)), 20550#(and (<= 10 proc_a) (<= proc_a 10)), 20551#(and (<= proc_a 12) (<= 12 proc_a)), 20552#(and (<= 14 proc_a) (<= proc_a 14)), 20553#(and (<= proc_a 16) (<= 16 proc_a)), 20554#(and (<= 18 proc_a) (<= proc_a 18)), 20555#(and (<= 20 proc_a) (<= proc_a 20)), 20556#(and (<= 22 proc_a) (<= proc_a 22)), 20557#(and (<= 24 proc_a) (<= proc_a 24)), 20558#(and (<= 26 proc_a) (<= proc_a 26)), 20559#(and (<= proc_a 28) (<= 28 proc_a)), 20560#(and (<= proc_a 30) (<= 30 proc_a)), 20561#(and (<= 32 proc_a) (<= proc_a 32)), 20562#(and (<= 34 proc_a) (<= proc_a 34)), 20563#(and (<= 36 proc_a) (<= proc_a 36)), 20564#(and (<= 38 proc_a) (<= proc_a 38)), 20565#(and (<= 40 proc_a) (<= proc_a 40)), 20566#(and (<= proc_a 42) (<= 42 proc_a)), 20567#(and (<= proc_a 44) (<= 44 proc_a)), 20568#(and (<= proc_a 46) (<= 46 proc_a)), 20569#(and (<= 48 proc_a) (<= proc_a 48)), 20570#(and (<= 50 proc_a) (<= proc_a 50)), 20571#(and (<= 52 proc_a) (<= proc_a 52)), 20572#(and (<= 54 proc_a) (<= proc_a 54)), 20573#(and (<= proc_a 56) (<= 56 proc_a)), 20574#(and (<= proc_a 58) (<= 58 proc_a)), 20575#(and (<= 60 proc_a) (<= proc_a 60)), 20576#(and (<= 62 proc_a) (<= proc_a 62)), 20577#(and (<= 64 proc_a) (<= proc_a 64)), 20578#(and (<= 66 proc_a) (<= proc_a 66)), 20579#(and (<= 68 proc_a) (<= proc_a 68)), 20580#(and (<= proc_a 70) (<= 70 proc_a)), 20581#(and (<= 72 proc_a) (<= proc_a 72)), 20582#(and (<= proc_a 74) (<= 74 proc_a)), 20583#(and (<= proc_a 76) (<= 76 proc_a)), 20584#(and (<= 78 proc_a) (<= proc_a 78)), 20585#(and (<= proc_a 80) (<= 80 proc_a)), 20586#(and (<= 82 proc_a) (<= proc_a 82)), 20587#(and (<= proc_a 84) (<= 84 proc_a)), 20588#(and (<= 86 proc_a) (<= proc_a 86)), 20589#(and (<= 88 proc_a) (<= proc_a 88)), 20590#(and (<= proc_a 90) (<= 90 proc_a)), 20591#(and (<= 92 proc_a) (<= proc_a 92)), 20592#(and (<= proc_a 94) (<= 94 proc_a)), 20593#(and (<= proc_a 96) (<= 96 proc_a)), 20594#(and (<= 98 proc_a) (<= proc_a 98)), 20595#(and (<= proc_a 100) (<= 100 proc_a)), 20596#(and (<= 102 proc_a) (<= proc_a 102)), 20597#(and (<= proc_a 104) (<= 104 proc_a)), 20598#(and (<= 106 proc_a) (<= proc_a 106)), 20599#(and (<= proc_a 108) (<= 108 proc_a)), 20600#(and (<= proc_a 110) (<= 110 proc_a)), 20601#(and (<= proc_a 112) (<= 112 proc_a)), 20602#(and (<= 114 proc_a) (<= proc_a 114)), 20603#(and (<= 116 proc_a) (<= proc_a 116)), 20604#(and (<= proc_a 118) (<= 118 proc_a)), 20605#(and (<= 120 proc_a) (<= proc_a 120)), 20606#(and (<= proc_a 122) (<= 122 proc_a)), 20607#(and (<= proc_a 124) (<= 124 proc_a))] [2018-07-23 13:51:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:16,352 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:51:16,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:51:16,353 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=7833, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:51:16,353 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 90 states. [2018-07-23 13:51:16,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:16,741 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-07-23 13:51:16,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:51:16,741 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 89 [2018-07-23 13:51:16,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:16,742 INFO L225 Difference]: With dead ends: 92 [2018-07-23 13:51:16,742 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:51:16,743 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=7833, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:51:16,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:51:16,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:51:16,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:51:16,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:51:16,748 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 89 [2018-07-23 13:51:16,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:16,749 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:51:16,749 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:51:16,749 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:51:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:51:16,751 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:16,751 INFO L357 BasicCegarLoop]: trace histogram [88, 1, 1] [2018-07-23 13:51:16,751 INFO L414 AbstractCegarLoop]: === Iteration 89 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:16,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1159164615, now seen corresponding path program 88 times [2018-07-23 13:51:16,751 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:17,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:17,110 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:17,110 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:51:17,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:17,111 INFO L185 omatonBuilderFactory]: Interpolants [20999#true, 21000#false, 21001#(and (<= proc_a 0) (<= 0 proc_a)), 21002#(and (<= 2 proc_a) (<= proc_a 2)), 21003#(and (<= 4 proc_a) (<= proc_a 4)), 21004#(and (<= 6 proc_a) (<= proc_a 6)), 21005#(and (<= proc_a 8) (<= 8 proc_a)), 21006#(and (<= 10 proc_a) (<= proc_a 10)), 21007#(and (<= proc_a 12) (<= 12 proc_a)), 21008#(and (<= 14 proc_a) (<= proc_a 14)), 21009#(and (<= proc_a 16) (<= 16 proc_a)), 21010#(and (<= 18 proc_a) (<= proc_a 18)), 21011#(and (<= 20 proc_a) (<= proc_a 20)), 21012#(and (<= 22 proc_a) (<= proc_a 22)), 21013#(and (<= 24 proc_a) (<= proc_a 24)), 21014#(and (<= 26 proc_a) (<= proc_a 26)), 21015#(and (<= proc_a 28) (<= 28 proc_a)), 21016#(and (<= proc_a 30) (<= 30 proc_a)), 21017#(and (<= 32 proc_a) (<= proc_a 32)), 21018#(and (<= 34 proc_a) (<= proc_a 34)), 21019#(and (<= 36 proc_a) (<= proc_a 36)), 21020#(and (<= 38 proc_a) (<= proc_a 38)), 21021#(and (<= 40 proc_a) (<= proc_a 40)), 21022#(and (<= proc_a 42) (<= 42 proc_a)), 21023#(and (<= proc_a 44) (<= 44 proc_a)), 21024#(and (<= proc_a 46) (<= 46 proc_a)), 21025#(and (<= 48 proc_a) (<= proc_a 48)), 21026#(and (<= 50 proc_a) (<= proc_a 50)), 21027#(and (<= 52 proc_a) (<= proc_a 52)), 21028#(and (<= 54 proc_a) (<= proc_a 54)), 21029#(and (<= proc_a 56) (<= 56 proc_a)), 21030#(and (<= proc_a 58) (<= 58 proc_a)), 21031#(and (<= 60 proc_a) (<= proc_a 60)), 21032#(and (<= 62 proc_a) (<= proc_a 62)), 21033#(and (<= 64 proc_a) (<= proc_a 64)), 21034#(and (<= 66 proc_a) (<= proc_a 66)), 21035#(and (<= 68 proc_a) (<= proc_a 68)), 21036#(and (<= proc_a 70) (<= 70 proc_a)), 21037#(and (<= 72 proc_a) (<= proc_a 72)), 21038#(and (<= proc_a 74) (<= 74 proc_a)), 21039#(and (<= proc_a 76) (<= 76 proc_a)), 21040#(and (<= 78 proc_a) (<= proc_a 78)), 21041#(and (<= proc_a 80) (<= 80 proc_a)), 21042#(and (<= 82 proc_a) (<= proc_a 82)), 21043#(and (<= proc_a 84) (<= 84 proc_a)), 21044#(and (<= 86 proc_a) (<= proc_a 86)), 21045#(and (<= 88 proc_a) (<= proc_a 88)), 21046#(and (<= proc_a 90) (<= 90 proc_a)), 21047#(and (<= 92 proc_a) (<= proc_a 92)), 21048#(and (<= proc_a 94) (<= 94 proc_a)), 21049#(and (<= proc_a 96) (<= 96 proc_a)), 21050#(and (<= 98 proc_a) (<= proc_a 98)), 21051#(and (<= proc_a 100) (<= 100 proc_a)), 21052#(and (<= 102 proc_a) (<= proc_a 102)), 21053#(and (<= proc_a 104) (<= 104 proc_a)), 21054#(and (<= 106 proc_a) (<= proc_a 106)), 21055#(and (<= proc_a 108) (<= 108 proc_a)), 21056#(and (<= proc_a 110) (<= 110 proc_a)), 21057#(and (<= proc_a 112) (<= 112 proc_a)), 21058#(and (<= 114 proc_a) (<= proc_a 114)), 21059#(and (<= 116 proc_a) (<= proc_a 116)), 21060#(and (<= proc_a 118) (<= 118 proc_a)), 21061#(and (<= 120 proc_a) (<= proc_a 120)), 21062#(and (<= proc_a 122) (<= 122 proc_a)), 21063#(and (<= proc_a 124) (<= 124 proc_a)), 21064#(and (<= proc_a 126) (<= 126 proc_a)), 21065#(and (<= 128 proc_a) (<= proc_a 128)), 21066#(and (<= proc_a 130) (<= 130 proc_a)), 21067#(and (<= 132 proc_a) (<= proc_a 132)), 21068#(and (<= proc_a 134) (<= 134 proc_a)), 21069#(and (<= proc_a 136) (<= 136 proc_a)), 21070#(and (<= proc_a 138) (<= 138 proc_a)), 21071#(and (<= proc_a 140) (<= 140 proc_a)), 21072#(and (<= 142 proc_a) (<= proc_a 142)), 21073#(and (<= 144 proc_a) (<= proc_a 144)), 21074#(and (<= proc_a 146) (<= 146 proc_a)), 21075#(and (<= 148 proc_a) (<= proc_a 148)), 21076#(and (<= proc_a 150) (<= 150 proc_a)), 21077#(and (<= proc_a 152) (<= 152 proc_a)), 21078#(and (<= 154 proc_a) (<= proc_a 154)), 21079#(and (<= 156 proc_a) (<= proc_a 156)), 21080#(and (<= proc_a 158) (<= 158 proc_a)), 21081#(and (<= 160 proc_a) (<= proc_a 160)), 21082#(and (<= proc_a 162) (<= 162 proc_a)), 21083#(and (<= 164 proc_a) (<= proc_a 164)), 21084#(and (<= 166 proc_a) (<= proc_a 166)), 21085#(and (<= 168 proc_a) (<= proc_a 168)), 21086#(and (<= 170 proc_a) (<= proc_a 170)), 21087#(and (<= 172 proc_a) (<= proc_a 172)), 21088#(and (<= proc_a 174) (<= 174 proc_a)), 21089#(and (<= 176 proc_a) (<= proc_a 176))] [2018-07-23 13:51:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:17,111 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:51:17,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:51:17,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=8011, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:51:17,112 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 91 states. [2018-07-23 13:51:17,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:17,508 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:51:17,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:51:17,509 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 90 [2018-07-23 13:51:17,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:17,509 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:51:17,509 INFO L226 Difference]: Without dead ends: 92 [2018-07-23 13:51:17,510 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=8011, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:51:17,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-07-23 13:51:17,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-07-23 13:51:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-07-23 13:51:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-07-23 13:51:17,515 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 90 [2018-07-23 13:51:17,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:17,516 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-07-23 13:51:17,516 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:51:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-07-23 13:51:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-07-23 13:51:17,516 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:17,517 INFO L357 BasicCegarLoop]: trace histogram [89, 1, 1] [2018-07-23 13:51:17,517 INFO L414 AbstractCegarLoop]: === Iteration 90 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:17,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1574364641, now seen corresponding path program 89 times [2018-07-23 13:51:17,517 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:17,861 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:17,861 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:51:17,861 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:17,862 INFO L185 omatonBuilderFactory]: Interpolants [21504#(and (<= proc_a 84) (<= 84 proc_a)), 21505#(and (<= 86 proc_a) (<= proc_a 86)), 21506#(and (<= 88 proc_a) (<= proc_a 88)), 21507#(and (<= proc_a 90) (<= 90 proc_a)), 21508#(and (<= 92 proc_a) (<= proc_a 92)), 21509#(and (<= proc_a 94) (<= 94 proc_a)), 21510#(and (<= proc_a 96) (<= 96 proc_a)), 21511#(and (<= 98 proc_a) (<= proc_a 98)), 21512#(and (<= proc_a 100) (<= 100 proc_a)), 21513#(and (<= 102 proc_a) (<= proc_a 102)), 21514#(and (<= proc_a 104) (<= 104 proc_a)), 21515#(and (<= 106 proc_a) (<= proc_a 106)), 21516#(and (<= proc_a 108) (<= 108 proc_a)), 21517#(and (<= proc_a 110) (<= 110 proc_a)), 21518#(and (<= proc_a 112) (<= 112 proc_a)), 21519#(and (<= 114 proc_a) (<= proc_a 114)), 21520#(and (<= 116 proc_a) (<= proc_a 116)), 21521#(and (<= proc_a 118) (<= 118 proc_a)), 21522#(and (<= 120 proc_a) (<= proc_a 120)), 21523#(and (<= proc_a 122) (<= 122 proc_a)), 21524#(and (<= proc_a 124) (<= 124 proc_a)), 21525#(and (<= proc_a 126) (<= 126 proc_a)), 21526#(and (<= 128 proc_a) (<= proc_a 128)), 21527#(and (<= proc_a 130) (<= 130 proc_a)), 21528#(and (<= 132 proc_a) (<= proc_a 132)), 21529#(and (<= proc_a 134) (<= 134 proc_a)), 21530#(and (<= proc_a 136) (<= 136 proc_a)), 21531#(and (<= proc_a 138) (<= 138 proc_a)), 21532#(and (<= proc_a 140) (<= 140 proc_a)), 21533#(and (<= 142 proc_a) (<= proc_a 142)), 21534#(and (<= 144 proc_a) (<= proc_a 144)), 21535#(and (<= proc_a 146) (<= 146 proc_a)), 21536#(and (<= 148 proc_a) (<= proc_a 148)), 21537#(and (<= proc_a 150) (<= 150 proc_a)), 21538#(and (<= proc_a 152) (<= 152 proc_a)), 21539#(and (<= 154 proc_a) (<= proc_a 154)), 21540#(and (<= 156 proc_a) (<= proc_a 156)), 21541#(and (<= proc_a 158) (<= 158 proc_a)), 21542#(and (<= 160 proc_a) (<= proc_a 160)), 21543#(and (<= proc_a 162) (<= 162 proc_a)), 21544#(and (<= 164 proc_a) (<= proc_a 164)), 21545#(and (<= 166 proc_a) (<= proc_a 166)), 21546#(and (<= 168 proc_a) (<= proc_a 168)), 21547#(and (<= 170 proc_a) (<= proc_a 170)), 21548#(and (<= 172 proc_a) (<= proc_a 172)), 21549#(and (<= proc_a 174) (<= 174 proc_a)), 21550#(and (<= 176 proc_a) (<= proc_a 176)), 21551#(and (<= 178 proc_a) (<= proc_a 178)), 21460#true, 21461#false, 21462#(and (<= proc_a 0) (<= 0 proc_a)), 21463#(and (<= 2 proc_a) (<= proc_a 2)), 21464#(and (<= 4 proc_a) (<= proc_a 4)), 21465#(and (<= 6 proc_a) (<= proc_a 6)), 21466#(and (<= proc_a 8) (<= 8 proc_a)), 21467#(and (<= 10 proc_a) (<= proc_a 10)), 21468#(and (<= proc_a 12) (<= 12 proc_a)), 21469#(and (<= 14 proc_a) (<= proc_a 14)), 21470#(and (<= proc_a 16) (<= 16 proc_a)), 21471#(and (<= 18 proc_a) (<= proc_a 18)), 21472#(and (<= 20 proc_a) (<= proc_a 20)), 21473#(and (<= 22 proc_a) (<= proc_a 22)), 21474#(and (<= 24 proc_a) (<= proc_a 24)), 21475#(and (<= 26 proc_a) (<= proc_a 26)), 21476#(and (<= proc_a 28) (<= 28 proc_a)), 21477#(and (<= proc_a 30) (<= 30 proc_a)), 21478#(and (<= 32 proc_a) (<= proc_a 32)), 21479#(and (<= 34 proc_a) (<= proc_a 34)), 21480#(and (<= 36 proc_a) (<= proc_a 36)), 21481#(and (<= 38 proc_a) (<= proc_a 38)), 21482#(and (<= 40 proc_a) (<= proc_a 40)), 21483#(and (<= proc_a 42) (<= 42 proc_a)), 21484#(and (<= proc_a 44) (<= 44 proc_a)), 21485#(and (<= proc_a 46) (<= 46 proc_a)), 21486#(and (<= 48 proc_a) (<= proc_a 48)), 21487#(and (<= 50 proc_a) (<= proc_a 50)), 21488#(and (<= 52 proc_a) (<= proc_a 52)), 21489#(and (<= 54 proc_a) (<= proc_a 54)), 21490#(and (<= proc_a 56) (<= 56 proc_a)), 21491#(and (<= proc_a 58) (<= 58 proc_a)), 21492#(and (<= 60 proc_a) (<= proc_a 60)), 21493#(and (<= 62 proc_a) (<= proc_a 62)), 21494#(and (<= 64 proc_a) (<= proc_a 64)), 21495#(and (<= 66 proc_a) (<= proc_a 66)), 21496#(and (<= 68 proc_a) (<= proc_a 68)), 21497#(and (<= proc_a 70) (<= 70 proc_a)), 21498#(and (<= 72 proc_a) (<= proc_a 72)), 21499#(and (<= proc_a 74) (<= 74 proc_a)), 21500#(and (<= proc_a 76) (<= 76 proc_a)), 21501#(and (<= 78 proc_a) (<= proc_a 78)), 21502#(and (<= proc_a 80) (<= 80 proc_a)), 21503#(and (<= 82 proc_a) (<= proc_a 82))] [2018-07-23 13:51:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:17,862 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:51:17,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:51:17,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:51:17,863 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 92 states. [2018-07-23 13:51:18,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:18,278 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-07-23 13:51:18,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:51:18,278 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 91 [2018-07-23 13:51:18,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:18,279 INFO L225 Difference]: With dead ends: 94 [2018-07-23 13:51:18,279 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:51:18,279 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:51:18,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:51:18,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:51:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:51:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:51:18,283 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 91 [2018-07-23 13:51:18,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:18,284 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:51:18,284 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:51:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:51:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:51:18,284 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:18,285 INFO L357 BasicCegarLoop]: trace histogram [90, 1, 1] [2018-07-23 13:51:18,285 INFO L414 AbstractCegarLoop]: === Iteration 91 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:18,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1560663559, now seen corresponding path program 90 times [2018-07-23 13:51:18,285 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:18,707 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:18,707 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:51:18,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:18,707 INFO L185 omatonBuilderFactory]: Interpolants [22016#(and (<= 176 proc_a) (<= proc_a 176)), 22017#(and (<= 178 proc_a) (<= proc_a 178)), 22018#(and (<= proc_a 180) (<= 180 proc_a)), 21926#true, 21927#false, 21928#(and (<= proc_a 0) (<= 0 proc_a)), 21929#(and (<= 2 proc_a) (<= proc_a 2)), 21930#(and (<= 4 proc_a) (<= proc_a 4)), 21931#(and (<= 6 proc_a) (<= proc_a 6)), 21932#(and (<= proc_a 8) (<= 8 proc_a)), 21933#(and (<= 10 proc_a) (<= proc_a 10)), 21934#(and (<= proc_a 12) (<= 12 proc_a)), 21935#(and (<= 14 proc_a) (<= proc_a 14)), 21936#(and (<= proc_a 16) (<= 16 proc_a)), 21937#(and (<= 18 proc_a) (<= proc_a 18)), 21938#(and (<= 20 proc_a) (<= proc_a 20)), 21939#(and (<= 22 proc_a) (<= proc_a 22)), 21940#(and (<= 24 proc_a) (<= proc_a 24)), 21941#(and (<= 26 proc_a) (<= proc_a 26)), 21942#(and (<= proc_a 28) (<= 28 proc_a)), 21943#(and (<= proc_a 30) (<= 30 proc_a)), 21944#(and (<= 32 proc_a) (<= proc_a 32)), 21945#(and (<= 34 proc_a) (<= proc_a 34)), 21946#(and (<= 36 proc_a) (<= proc_a 36)), 21947#(and (<= 38 proc_a) (<= proc_a 38)), 21948#(and (<= 40 proc_a) (<= proc_a 40)), 21949#(and (<= proc_a 42) (<= 42 proc_a)), 21950#(and (<= proc_a 44) (<= 44 proc_a)), 21951#(and (<= proc_a 46) (<= 46 proc_a)), 21952#(and (<= 48 proc_a) (<= proc_a 48)), 21953#(and (<= 50 proc_a) (<= proc_a 50)), 21954#(and (<= 52 proc_a) (<= proc_a 52)), 21955#(and (<= 54 proc_a) (<= proc_a 54)), 21956#(and (<= proc_a 56) (<= 56 proc_a)), 21957#(and (<= proc_a 58) (<= 58 proc_a)), 21958#(and (<= 60 proc_a) (<= proc_a 60)), 21959#(and (<= 62 proc_a) (<= proc_a 62)), 21960#(and (<= 64 proc_a) (<= proc_a 64)), 21961#(and (<= 66 proc_a) (<= proc_a 66)), 21962#(and (<= 68 proc_a) (<= proc_a 68)), 21963#(and (<= proc_a 70) (<= 70 proc_a)), 21964#(and (<= 72 proc_a) (<= proc_a 72)), 21965#(and (<= proc_a 74) (<= 74 proc_a)), 21966#(and (<= proc_a 76) (<= 76 proc_a)), 21967#(and (<= 78 proc_a) (<= proc_a 78)), 21968#(and (<= proc_a 80) (<= 80 proc_a)), 21969#(and (<= 82 proc_a) (<= proc_a 82)), 21970#(and (<= proc_a 84) (<= 84 proc_a)), 21971#(and (<= 86 proc_a) (<= proc_a 86)), 21972#(and (<= 88 proc_a) (<= proc_a 88)), 21973#(and (<= proc_a 90) (<= 90 proc_a)), 21974#(and (<= 92 proc_a) (<= proc_a 92)), 21975#(and (<= proc_a 94) (<= 94 proc_a)), 21976#(and (<= proc_a 96) (<= 96 proc_a)), 21977#(and (<= 98 proc_a) (<= proc_a 98)), 21978#(and (<= proc_a 100) (<= 100 proc_a)), 21979#(and (<= 102 proc_a) (<= proc_a 102)), 21980#(and (<= proc_a 104) (<= 104 proc_a)), 21981#(and (<= 106 proc_a) (<= proc_a 106)), 21982#(and (<= proc_a 108) (<= 108 proc_a)), 21983#(and (<= proc_a 110) (<= 110 proc_a)), 21984#(and (<= proc_a 112) (<= 112 proc_a)), 21985#(and (<= 114 proc_a) (<= proc_a 114)), 21986#(and (<= 116 proc_a) (<= proc_a 116)), 21987#(and (<= proc_a 118) (<= 118 proc_a)), 21988#(and (<= 120 proc_a) (<= proc_a 120)), 21989#(and (<= proc_a 122) (<= 122 proc_a)), 21990#(and (<= proc_a 124) (<= 124 proc_a)), 21991#(and (<= proc_a 126) (<= 126 proc_a)), 21992#(and (<= 128 proc_a) (<= proc_a 128)), 21993#(and (<= proc_a 130) (<= 130 proc_a)), 21994#(and (<= 132 proc_a) (<= proc_a 132)), 21995#(and (<= proc_a 134) (<= 134 proc_a)), 21996#(and (<= proc_a 136) (<= 136 proc_a)), 21997#(and (<= proc_a 138) (<= 138 proc_a)), 21998#(and (<= proc_a 140) (<= 140 proc_a)), 21999#(and (<= 142 proc_a) (<= proc_a 142)), 22000#(and (<= 144 proc_a) (<= proc_a 144)), 22001#(and (<= proc_a 146) (<= 146 proc_a)), 22002#(and (<= 148 proc_a) (<= proc_a 148)), 22003#(and (<= proc_a 150) (<= 150 proc_a)), 22004#(and (<= proc_a 152) (<= 152 proc_a)), 22005#(and (<= 154 proc_a) (<= proc_a 154)), 22006#(and (<= 156 proc_a) (<= proc_a 156)), 22007#(and (<= proc_a 158) (<= 158 proc_a)), 22008#(and (<= 160 proc_a) (<= proc_a 160)), 22009#(and (<= proc_a 162) (<= 162 proc_a)), 22010#(and (<= 164 proc_a) (<= proc_a 164)), 22011#(and (<= 166 proc_a) (<= proc_a 166)), 22012#(and (<= 168 proc_a) (<= proc_a 168)), 22013#(and (<= 170 proc_a) (<= proc_a 170)), 22014#(and (<= 172 proc_a) (<= proc_a 172)), 22015#(and (<= proc_a 174) (<= 174 proc_a))] [2018-07-23 13:51:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:18,708 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:51:18,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:51:18,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=8373, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:51:18,708 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 93 states. [2018-07-23 13:51:19,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:19,201 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:51:19,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:51:19,201 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 92 [2018-07-23 13:51:19,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:19,202 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:51:19,202 INFO L226 Difference]: Without dead ends: 94 [2018-07-23 13:51:19,203 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=8373, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:51:19,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-07-23 13:51:19,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-07-23 13:51:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-07-23 13:51:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-07-23 13:51:19,207 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 92 [2018-07-23 13:51:19,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:19,207 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-07-23 13:51:19,208 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:51:19,208 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-07-23 13:51:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-07-23 13:51:19,208 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:19,208 INFO L357 BasicCegarLoop]: trace histogram [91, 1, 1] [2018-07-23 13:51:19,208 INFO L414 AbstractCegarLoop]: === Iteration 92 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:19,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1135930017, now seen corresponding path program 91 times [2018-07-23 13:51:19,209 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:19,562 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:19,562 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:51:19,563 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:19,563 INFO L185 omatonBuilderFactory]: Interpolants [22400#(and (<= 2 proc_a) (<= proc_a 2)), 22401#(and (<= 4 proc_a) (<= proc_a 4)), 22402#(and (<= 6 proc_a) (<= proc_a 6)), 22403#(and (<= proc_a 8) (<= 8 proc_a)), 22404#(and (<= 10 proc_a) (<= proc_a 10)), 22405#(and (<= proc_a 12) (<= 12 proc_a)), 22406#(and (<= 14 proc_a) (<= proc_a 14)), 22407#(and (<= proc_a 16) (<= 16 proc_a)), 22408#(and (<= 18 proc_a) (<= proc_a 18)), 22409#(and (<= 20 proc_a) (<= proc_a 20)), 22410#(and (<= 22 proc_a) (<= proc_a 22)), 22411#(and (<= 24 proc_a) (<= proc_a 24)), 22412#(and (<= 26 proc_a) (<= proc_a 26)), 22413#(and (<= proc_a 28) (<= 28 proc_a)), 22414#(and (<= proc_a 30) (<= 30 proc_a)), 22415#(and (<= 32 proc_a) (<= proc_a 32)), 22416#(and (<= 34 proc_a) (<= proc_a 34)), 22417#(and (<= 36 proc_a) (<= proc_a 36)), 22418#(and (<= 38 proc_a) (<= proc_a 38)), 22419#(and (<= 40 proc_a) (<= proc_a 40)), 22420#(and (<= proc_a 42) (<= 42 proc_a)), 22421#(and (<= proc_a 44) (<= 44 proc_a)), 22422#(and (<= proc_a 46) (<= 46 proc_a)), 22423#(and (<= 48 proc_a) (<= proc_a 48)), 22424#(and (<= 50 proc_a) (<= proc_a 50)), 22425#(and (<= 52 proc_a) (<= proc_a 52)), 22426#(and (<= 54 proc_a) (<= proc_a 54)), 22427#(and (<= proc_a 56) (<= 56 proc_a)), 22428#(and (<= proc_a 58) (<= 58 proc_a)), 22429#(and (<= 60 proc_a) (<= proc_a 60)), 22430#(and (<= 62 proc_a) (<= proc_a 62)), 22431#(and (<= 64 proc_a) (<= proc_a 64)), 22432#(and (<= 66 proc_a) (<= proc_a 66)), 22433#(and (<= 68 proc_a) (<= proc_a 68)), 22434#(and (<= proc_a 70) (<= 70 proc_a)), 22435#(and (<= 72 proc_a) (<= proc_a 72)), 22436#(and (<= proc_a 74) (<= 74 proc_a)), 22437#(and (<= proc_a 76) (<= 76 proc_a)), 22438#(and (<= 78 proc_a) (<= proc_a 78)), 22439#(and (<= proc_a 80) (<= 80 proc_a)), 22440#(and (<= 82 proc_a) (<= proc_a 82)), 22441#(and (<= proc_a 84) (<= 84 proc_a)), 22442#(and (<= 86 proc_a) (<= proc_a 86)), 22443#(and (<= 88 proc_a) (<= proc_a 88)), 22444#(and (<= proc_a 90) (<= 90 proc_a)), 22445#(and (<= 92 proc_a) (<= proc_a 92)), 22446#(and (<= proc_a 94) (<= 94 proc_a)), 22447#(and (<= proc_a 96) (<= 96 proc_a)), 22448#(and (<= 98 proc_a) (<= proc_a 98)), 22449#(and (<= proc_a 100) (<= 100 proc_a)), 22450#(and (<= 102 proc_a) (<= proc_a 102)), 22451#(and (<= proc_a 104) (<= 104 proc_a)), 22452#(and (<= 106 proc_a) (<= proc_a 106)), 22453#(and (<= proc_a 108) (<= 108 proc_a)), 22454#(and (<= proc_a 110) (<= 110 proc_a)), 22455#(and (<= proc_a 112) (<= 112 proc_a)), 22456#(and (<= 114 proc_a) (<= proc_a 114)), 22457#(and (<= 116 proc_a) (<= proc_a 116)), 22458#(and (<= proc_a 118) (<= 118 proc_a)), 22459#(and (<= 120 proc_a) (<= proc_a 120)), 22460#(and (<= proc_a 122) (<= 122 proc_a)), 22461#(and (<= proc_a 124) (<= 124 proc_a)), 22462#(and (<= proc_a 126) (<= 126 proc_a)), 22463#(and (<= 128 proc_a) (<= proc_a 128)), 22464#(and (<= proc_a 130) (<= 130 proc_a)), 22465#(and (<= 132 proc_a) (<= proc_a 132)), 22466#(and (<= proc_a 134) (<= 134 proc_a)), 22467#(and (<= proc_a 136) (<= 136 proc_a)), 22468#(and (<= proc_a 138) (<= 138 proc_a)), 22469#(and (<= proc_a 140) (<= 140 proc_a)), 22470#(and (<= 142 proc_a) (<= proc_a 142)), 22471#(and (<= 144 proc_a) (<= proc_a 144)), 22472#(and (<= proc_a 146) (<= 146 proc_a)), 22473#(and (<= 148 proc_a) (<= proc_a 148)), 22474#(and (<= proc_a 150) (<= 150 proc_a)), 22475#(and (<= proc_a 152) (<= 152 proc_a)), 22476#(and (<= 154 proc_a) (<= proc_a 154)), 22477#(and (<= 156 proc_a) (<= proc_a 156)), 22478#(and (<= proc_a 158) (<= 158 proc_a)), 22479#(and (<= 160 proc_a) (<= proc_a 160)), 22480#(and (<= proc_a 162) (<= 162 proc_a)), 22481#(and (<= 164 proc_a) (<= proc_a 164)), 22482#(and (<= 166 proc_a) (<= proc_a 166)), 22483#(and (<= 168 proc_a) (<= proc_a 168)), 22484#(and (<= 170 proc_a) (<= proc_a 170)), 22485#(and (<= 172 proc_a) (<= proc_a 172)), 22486#(and (<= proc_a 174) (<= 174 proc_a)), 22487#(and (<= 176 proc_a) (<= proc_a 176)), 22488#(and (<= 178 proc_a) (<= proc_a 178)), 22489#(and (<= proc_a 180) (<= 180 proc_a)), 22490#(and (<= proc_a 182) (<= 182 proc_a)), 22397#true, 22398#false, 22399#(and (<= proc_a 0) (<= 0 proc_a))] [2018-07-23 13:51:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:19,564 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:51:19,564 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:51:19,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:51:19,564 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 94 states. [2018-07-23 13:51:19,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:19,971 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-07-23 13:51:19,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:51:19,972 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 93 [2018-07-23 13:51:19,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:19,972 INFO L225 Difference]: With dead ends: 96 [2018-07-23 13:51:19,972 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:51:19,973 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:51:19,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:51:19,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:51:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:51:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:51:19,978 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 93 [2018-07-23 13:51:19,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:19,978 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:51:19,978 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:51:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:51:19,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:51:19,979 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:19,979 INFO L357 BasicCegarLoop]: trace histogram [92, 1, 1] [2018-07-23 13:51:19,979 INFO L414 AbstractCegarLoop]: === Iteration 93 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:19,979 INFO L82 PathProgramCache]: Analyzing trace with hash 854092103, now seen corresponding path program 92 times [2018-07-23 13:51:19,980 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:20,340 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:20,340 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:51:20,341 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:20,341 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 13:51:20,341 INFO L185 omatonBuilderFactory]: Interpolants [22912#(and (<= proc_a 74) (<= 74 proc_a)), 22913#(and (<= proc_a 76) (<= 76 proc_a)), 22914#(and (<= 78 proc_a) (<= proc_a 78)), 22915#(and (<= proc_a 80) (<= 80 proc_a)), 22916#(and (<= 82 proc_a) (<= proc_a 82)), 22917#(and (<= proc_a 84) (<= 84 proc_a)), 22918#(and (<= 86 proc_a) (<= proc_a 86)), 22919#(and (<= 88 proc_a) (<= proc_a 88)), 22920#(and (<= proc_a 90) (<= 90 proc_a)), 22921#(and (<= 92 proc_a) (<= proc_a 92)), 22922#(and (<= proc_a 94) (<= 94 proc_a)), 22923#(and (<= proc_a 96) (<= 96 proc_a)), 22924#(and (<= 98 proc_a) (<= proc_a 98)), 22925#(and (<= proc_a 100) (<= 100 proc_a)), 22926#(and (<= 102 proc_a) (<= proc_a 102)), 22927#(and (<= proc_a 104) (<= 104 proc_a)), 22928#(and (<= 106 proc_a) (<= proc_a 106)), 22929#(and (<= proc_a 108) (<= 108 proc_a)), 22930#(and (<= proc_a 110) (<= 110 proc_a)), 22931#(and (<= proc_a 112) (<= 112 proc_a)), 22932#(and (<= 114 proc_a) (<= proc_a 114)), 22933#(and (<= 116 proc_a) (<= proc_a 116)), 22934#(and (<= proc_a 118) (<= 118 proc_a)), 22935#(and (<= 120 proc_a) (<= proc_a 120)), 22936#(and (<= proc_a 122) (<= 122 proc_a)), 22937#(and (<= proc_a 124) (<= 124 proc_a)), 22938#(and (<= proc_a 126) (<= 126 proc_a)), 22939#(and (<= 128 proc_a) (<= proc_a 128)), 22940#(and (<= proc_a 130) (<= 130 proc_a)), 22941#(and (<= 132 proc_a) (<= proc_a 132)), 22942#(and (<= proc_a 134) (<= 134 proc_a)), 22943#(and (<= proc_a 136) (<= 136 proc_a)), 22944#(and (<= proc_a 138) (<= 138 proc_a)), 22945#(and (<= proc_a 140) (<= 140 proc_a)), 22946#(and (<= 142 proc_a) (<= proc_a 142)), 22947#(and (<= 144 proc_a) (<= proc_a 144)), 22948#(and (<= proc_a 146) (<= 146 proc_a)), 22949#(and (<= 148 proc_a) (<= proc_a 148)), 22950#(and (<= proc_a 150) (<= 150 proc_a)), 22951#(and (<= proc_a 152) (<= 152 proc_a)), 22952#(and (<= 154 proc_a) (<= proc_a 154)), 22953#(and (<= 156 proc_a) (<= proc_a 156)), 22954#(and (<= proc_a 158) (<= 158 proc_a)), 22955#(and (<= 160 proc_a) (<= proc_a 160)), 22956#(and (<= proc_a 162) (<= 162 proc_a)), 22957#(and (<= 164 proc_a) (<= proc_a 164)), 22958#(and (<= 166 proc_a) (<= proc_a 166)), 22959#(and (<= 168 proc_a) (<= proc_a 168)), 22960#(and (<= 170 proc_a) (<= proc_a 170)), 22961#(and (<= 172 proc_a) (<= proc_a 172)), 22962#(and (<= proc_a 174) (<= 174 proc_a)), 22963#(and (<= 176 proc_a) (<= proc_a 176)), 22964#(and (<= 178 proc_a) (<= proc_a 178)), 22965#(and (<= proc_a 180) (<= 180 proc_a)), 22966#(and (<= proc_a 182) (<= 182 proc_a)), 22967#(and (<= 184 proc_a) (<= proc_a 184)), 22873#true, 22874#false, 22875#(and (<= proc_a 0) (<= 0 proc_a)), 22876#(and (<= 2 proc_a) (<= proc_a 2)), 22877#(and (<= 4 proc_a) (<= proc_a 4)), 22878#(and (<= 6 proc_a) (<= proc_a 6)), 22879#(and (<= proc_a 8) (<= 8 proc_a)), 22880#(and (<= 10 proc_a) (<= proc_a 10)), 22881#(and (<= proc_a 12) (<= 12 proc_a)), 22882#(and (<= 14 proc_a) (<= proc_a 14)), 22883#(and (<= proc_a 16) (<= 16 proc_a)), 22884#(and (<= 18 proc_a) (<= proc_a 18)), 22885#(and (<= 20 proc_a) (<= proc_a 20)), 22886#(and (<= 22 proc_a) (<= proc_a 22)), 22887#(and (<= 24 proc_a) (<= proc_a 24)), 22888#(and (<= 26 proc_a) (<= proc_a 26)), 22889#(and (<= proc_a 28) (<= 28 proc_a)), 22890#(and (<= proc_a 30) (<= 30 proc_a)), 22891#(and (<= 32 proc_a) (<= proc_a 32)), 22892#(and (<= 34 proc_a) (<= proc_a 34)), 22893#(and (<= 36 proc_a) (<= proc_a 36)), 22894#(and (<= 38 proc_a) (<= proc_a 38)), 22895#(and (<= 40 proc_a) (<= proc_a 40)), 22896#(and (<= proc_a 42) (<= 42 proc_a)), 22897#(and (<= proc_a 44) (<= 44 proc_a)), 22898#(and (<= proc_a 46) (<= 46 proc_a)), 22899#(and (<= 48 proc_a) (<= proc_a 48)), 22900#(and (<= 50 proc_a) (<= proc_a 50)), 22901#(and (<= 52 proc_a) (<= proc_a 52)), 22902#(and (<= 54 proc_a) (<= proc_a 54)), 22903#(and (<= proc_a 56) (<= 56 proc_a)), 22904#(and (<= proc_a 58) (<= 58 proc_a)), 22905#(and (<= 60 proc_a) (<= proc_a 60)), 22906#(and (<= 62 proc_a) (<= proc_a 62)), 22907#(and (<= 64 proc_a) (<= proc_a 64)), 22908#(and (<= 66 proc_a) (<= proc_a 66)), 22909#(and (<= 68 proc_a) (<= proc_a 68)), 22910#(and (<= proc_a 70) (<= 70 proc_a)), 22911#(and (<= 72 proc_a) (<= proc_a 72))] [2018-07-23 13:51:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:20,342 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:51:20,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:51:20,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:51:20,343 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 95 states. [2018-07-23 13:51:20,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:20,821 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:51:20,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:51:20,821 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 94 [2018-07-23 13:51:20,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:20,822 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:51:20,822 INFO L226 Difference]: Without dead ends: 96 [2018-07-23 13:51:20,823 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:51:20,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-23 13:51:20,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-07-23 13:51:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-07-23 13:51:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-07-23 13:51:20,828 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 94 [2018-07-23 13:51:20,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:20,828 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-07-23 13:51:20,828 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:51:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-07-23 13:51:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-23 13:51:20,829 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:20,829 INFO L357 BasicCegarLoop]: trace histogram [93, 1, 1] [2018-07-23 13:51:20,829 INFO L414 AbstractCegarLoop]: === Iteration 94 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:20,829 INFO L82 PathProgramCache]: Analyzing trace with hash 707051361, now seen corresponding path program 93 times [2018-07-23 13:51:20,830 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:21,381 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:21,382 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:51:21,382 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:21,382 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 13:51:21,382 INFO L185 omatonBuilderFactory]: Interpolants [23424#(and (<= proc_a 136) (<= 136 proc_a)), 23425#(and (<= proc_a 138) (<= 138 proc_a)), 23426#(and (<= proc_a 140) (<= 140 proc_a)), 23427#(and (<= 142 proc_a) (<= proc_a 142)), 23428#(and (<= 144 proc_a) (<= proc_a 144)), 23429#(and (<= proc_a 146) (<= 146 proc_a)), 23430#(and (<= 148 proc_a) (<= proc_a 148)), 23431#(and (<= proc_a 150) (<= 150 proc_a)), 23432#(and (<= proc_a 152) (<= 152 proc_a)), 23433#(and (<= 154 proc_a) (<= proc_a 154)), 23434#(and (<= 156 proc_a) (<= proc_a 156)), 23435#(and (<= proc_a 158) (<= 158 proc_a)), 23436#(and (<= 160 proc_a) (<= proc_a 160)), 23437#(and (<= proc_a 162) (<= 162 proc_a)), 23438#(and (<= 164 proc_a) (<= proc_a 164)), 23439#(and (<= 166 proc_a) (<= proc_a 166)), 23440#(and (<= 168 proc_a) (<= proc_a 168)), 23441#(and (<= 170 proc_a) (<= proc_a 170)), 23442#(and (<= 172 proc_a) (<= proc_a 172)), 23443#(and (<= proc_a 174) (<= 174 proc_a)), 23444#(and (<= 176 proc_a) (<= proc_a 176)), 23445#(and (<= 178 proc_a) (<= proc_a 178)), 23446#(and (<= proc_a 180) (<= 180 proc_a)), 23447#(and (<= proc_a 182) (<= 182 proc_a)), 23448#(and (<= 184 proc_a) (<= proc_a 184)), 23449#(and (<= 186 proc_a) (<= proc_a 186)), 23354#true, 23355#false, 23356#(and (<= proc_a 0) (<= 0 proc_a)), 23357#(and (<= 2 proc_a) (<= proc_a 2)), 23358#(and (<= 4 proc_a) (<= proc_a 4)), 23359#(and (<= 6 proc_a) (<= proc_a 6)), 23360#(and (<= proc_a 8) (<= 8 proc_a)), 23361#(and (<= 10 proc_a) (<= proc_a 10)), 23362#(and (<= proc_a 12) (<= 12 proc_a)), 23363#(and (<= 14 proc_a) (<= proc_a 14)), 23364#(and (<= proc_a 16) (<= 16 proc_a)), 23365#(and (<= 18 proc_a) (<= proc_a 18)), 23366#(and (<= 20 proc_a) (<= proc_a 20)), 23367#(and (<= 22 proc_a) (<= proc_a 22)), 23368#(and (<= 24 proc_a) (<= proc_a 24)), 23369#(and (<= 26 proc_a) (<= proc_a 26)), 23370#(and (<= proc_a 28) (<= 28 proc_a)), 23371#(and (<= proc_a 30) (<= 30 proc_a)), 23372#(and (<= 32 proc_a) (<= proc_a 32)), 23373#(and (<= 34 proc_a) (<= proc_a 34)), 23374#(and (<= 36 proc_a) (<= proc_a 36)), 23375#(and (<= 38 proc_a) (<= proc_a 38)), 23376#(and (<= 40 proc_a) (<= proc_a 40)), 23377#(and (<= proc_a 42) (<= 42 proc_a)), 23378#(and (<= proc_a 44) (<= 44 proc_a)), 23379#(and (<= proc_a 46) (<= 46 proc_a)), 23380#(and (<= 48 proc_a) (<= proc_a 48)), 23381#(and (<= 50 proc_a) (<= proc_a 50)), 23382#(and (<= 52 proc_a) (<= proc_a 52)), 23383#(and (<= 54 proc_a) (<= proc_a 54)), 23384#(and (<= proc_a 56) (<= 56 proc_a)), 23385#(and (<= proc_a 58) (<= 58 proc_a)), 23386#(and (<= 60 proc_a) (<= proc_a 60)), 23387#(and (<= 62 proc_a) (<= proc_a 62)), 23388#(and (<= 64 proc_a) (<= proc_a 64)), 23389#(and (<= 66 proc_a) (<= proc_a 66)), 23390#(and (<= 68 proc_a) (<= proc_a 68)), 23391#(and (<= proc_a 70) (<= 70 proc_a)), 23392#(and (<= 72 proc_a) (<= proc_a 72)), 23393#(and (<= proc_a 74) (<= 74 proc_a)), 23394#(and (<= proc_a 76) (<= 76 proc_a)), 23395#(and (<= 78 proc_a) (<= proc_a 78)), 23396#(and (<= proc_a 80) (<= 80 proc_a)), 23397#(and (<= 82 proc_a) (<= proc_a 82)), 23398#(and (<= proc_a 84) (<= 84 proc_a)), 23399#(and (<= 86 proc_a) (<= proc_a 86)), 23400#(and (<= 88 proc_a) (<= proc_a 88)), 23401#(and (<= proc_a 90) (<= 90 proc_a)), 23402#(and (<= 92 proc_a) (<= proc_a 92)), 23403#(and (<= proc_a 94) (<= 94 proc_a)), 23404#(and (<= proc_a 96) (<= 96 proc_a)), 23405#(and (<= 98 proc_a) (<= proc_a 98)), 23406#(and (<= proc_a 100) (<= 100 proc_a)), 23407#(and (<= 102 proc_a) (<= proc_a 102)), 23408#(and (<= proc_a 104) (<= 104 proc_a)), 23409#(and (<= 106 proc_a) (<= proc_a 106)), 23410#(and (<= proc_a 108) (<= 108 proc_a)), 23411#(and (<= proc_a 110) (<= 110 proc_a)), 23412#(and (<= proc_a 112) (<= 112 proc_a)), 23413#(and (<= 114 proc_a) (<= proc_a 114)), 23414#(and (<= 116 proc_a) (<= proc_a 116)), 23415#(and (<= proc_a 118) (<= 118 proc_a)), 23416#(and (<= 120 proc_a) (<= proc_a 120)), 23417#(and (<= proc_a 122) (<= 122 proc_a)), 23418#(and (<= proc_a 124) (<= 124 proc_a)), 23419#(and (<= proc_a 126) (<= 126 proc_a)), 23420#(and (<= 128 proc_a) (<= proc_a 128)), 23421#(and (<= proc_a 130) (<= 130 proc_a)), 23422#(and (<= 132 proc_a) (<= proc_a 132)), 23423#(and (<= proc_a 134) (<= 134 proc_a))] [2018-07-23 13:51:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:21,383 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:51:21,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:51:21,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:51:21,383 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 96 states. [2018-07-23 13:51:21,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:21,924 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-07-23 13:51:21,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:51:21,925 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 95 [2018-07-23 13:51:21,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:21,925 INFO L225 Difference]: With dead ends: 98 [2018-07-23 13:51:21,925 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:51:21,926 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:51:21,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:51:21,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:51:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:51:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:51:21,930 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 95 [2018-07-23 13:51:21,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:21,931 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:51:21,931 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:51:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:51:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:51:21,931 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:21,931 INFO L357 BasicCegarLoop]: trace histogram [94, 1, 1] [2018-07-23 13:51:21,931 INFO L414 AbstractCegarLoop]: === Iteration 95 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:21,932 INFO L82 PathProgramCache]: Analyzing trace with hash 443755655, now seen corresponding path program 94 times [2018-07-23 13:51:21,932 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:22,448 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:22,448 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:51:22,448 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:22,449 INFO L185 omatonBuilderFactory]: Interpolants [23840#true, 23841#false, 23842#(and (<= proc_a 0) (<= 0 proc_a)), 23843#(and (<= 2 proc_a) (<= proc_a 2)), 23844#(and (<= 4 proc_a) (<= proc_a 4)), 23845#(and (<= 6 proc_a) (<= proc_a 6)), 23846#(and (<= proc_a 8) (<= 8 proc_a)), 23847#(and (<= 10 proc_a) (<= proc_a 10)), 23848#(and (<= proc_a 12) (<= 12 proc_a)), 23849#(and (<= 14 proc_a) (<= proc_a 14)), 23850#(and (<= proc_a 16) (<= 16 proc_a)), 23851#(and (<= 18 proc_a) (<= proc_a 18)), 23852#(and (<= 20 proc_a) (<= proc_a 20)), 23853#(and (<= 22 proc_a) (<= proc_a 22)), 23854#(and (<= 24 proc_a) (<= proc_a 24)), 23855#(and (<= 26 proc_a) (<= proc_a 26)), 23856#(and (<= proc_a 28) (<= 28 proc_a)), 23857#(and (<= proc_a 30) (<= 30 proc_a)), 23858#(and (<= 32 proc_a) (<= proc_a 32)), 23859#(and (<= 34 proc_a) (<= proc_a 34)), 23860#(and (<= 36 proc_a) (<= proc_a 36)), 23861#(and (<= 38 proc_a) (<= proc_a 38)), 23862#(and (<= 40 proc_a) (<= proc_a 40)), 23863#(and (<= proc_a 42) (<= 42 proc_a)), 23864#(and (<= proc_a 44) (<= 44 proc_a)), 23865#(and (<= proc_a 46) (<= 46 proc_a)), 23866#(and (<= 48 proc_a) (<= proc_a 48)), 23867#(and (<= 50 proc_a) (<= proc_a 50)), 23868#(and (<= 52 proc_a) (<= proc_a 52)), 23869#(and (<= 54 proc_a) (<= proc_a 54)), 23870#(and (<= proc_a 56) (<= 56 proc_a)), 23871#(and (<= proc_a 58) (<= 58 proc_a)), 23872#(and (<= 60 proc_a) (<= proc_a 60)), 23873#(and (<= 62 proc_a) (<= proc_a 62)), 23874#(and (<= 64 proc_a) (<= proc_a 64)), 23875#(and (<= 66 proc_a) (<= proc_a 66)), 23876#(and (<= 68 proc_a) (<= proc_a 68)), 23877#(and (<= proc_a 70) (<= 70 proc_a)), 23878#(and (<= 72 proc_a) (<= proc_a 72)), 23879#(and (<= proc_a 74) (<= 74 proc_a)), 23880#(and (<= proc_a 76) (<= 76 proc_a)), 23881#(and (<= 78 proc_a) (<= proc_a 78)), 23882#(and (<= proc_a 80) (<= 80 proc_a)), 23883#(and (<= 82 proc_a) (<= proc_a 82)), 23884#(and (<= proc_a 84) (<= 84 proc_a)), 23885#(and (<= 86 proc_a) (<= proc_a 86)), 23886#(and (<= 88 proc_a) (<= proc_a 88)), 23887#(and (<= proc_a 90) (<= 90 proc_a)), 23888#(and (<= 92 proc_a) (<= proc_a 92)), 23889#(and (<= proc_a 94) (<= 94 proc_a)), 23890#(and (<= proc_a 96) (<= 96 proc_a)), 23891#(and (<= 98 proc_a) (<= proc_a 98)), 23892#(and (<= proc_a 100) (<= 100 proc_a)), 23893#(and (<= 102 proc_a) (<= proc_a 102)), 23894#(and (<= proc_a 104) (<= 104 proc_a)), 23895#(and (<= 106 proc_a) (<= proc_a 106)), 23896#(and (<= proc_a 108) (<= 108 proc_a)), 23897#(and (<= proc_a 110) (<= 110 proc_a)), 23898#(and (<= proc_a 112) (<= 112 proc_a)), 23899#(and (<= 114 proc_a) (<= proc_a 114)), 23900#(and (<= 116 proc_a) (<= proc_a 116)), 23901#(and (<= proc_a 118) (<= 118 proc_a)), 23902#(and (<= 120 proc_a) (<= proc_a 120)), 23903#(and (<= proc_a 122) (<= 122 proc_a)), 23904#(and (<= proc_a 124) (<= 124 proc_a)), 23905#(and (<= proc_a 126) (<= 126 proc_a)), 23906#(and (<= 128 proc_a) (<= proc_a 128)), 23907#(and (<= proc_a 130) (<= 130 proc_a)), 23908#(and (<= 132 proc_a) (<= proc_a 132)), 23909#(and (<= proc_a 134) (<= 134 proc_a)), 23910#(and (<= proc_a 136) (<= 136 proc_a)), 23911#(and (<= proc_a 138) (<= 138 proc_a)), 23912#(and (<= proc_a 140) (<= 140 proc_a)), 23913#(and (<= 142 proc_a) (<= proc_a 142)), 23914#(and (<= 144 proc_a) (<= proc_a 144)), 23915#(and (<= proc_a 146) (<= 146 proc_a)), 23916#(and (<= 148 proc_a) (<= proc_a 148)), 23917#(and (<= proc_a 150) (<= 150 proc_a)), 23918#(and (<= proc_a 152) (<= 152 proc_a)), 23919#(and (<= 154 proc_a) (<= proc_a 154)), 23920#(and (<= 156 proc_a) (<= proc_a 156)), 23921#(and (<= proc_a 158) (<= 158 proc_a)), 23922#(and (<= 160 proc_a) (<= proc_a 160)), 23923#(and (<= proc_a 162) (<= 162 proc_a)), 23924#(and (<= 164 proc_a) (<= proc_a 164)), 23925#(and (<= 166 proc_a) (<= proc_a 166)), 23926#(and (<= 168 proc_a) (<= proc_a 168)), 23927#(and (<= 170 proc_a) (<= proc_a 170)), 23928#(and (<= 172 proc_a) (<= proc_a 172)), 23929#(and (<= proc_a 174) (<= 174 proc_a)), 23930#(and (<= 176 proc_a) (<= proc_a 176)), 23931#(and (<= 178 proc_a) (<= proc_a 178)), 23932#(and (<= proc_a 180) (<= 180 proc_a)), 23933#(and (<= proc_a 182) (<= 182 proc_a)), 23934#(and (<= 184 proc_a) (<= proc_a 184)), 23935#(and (<= 186 proc_a) (<= proc_a 186)), 23936#(and (<= 188 proc_a) (<= proc_a 188))] [2018-07-23 13:51:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:22,449 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:51:22,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:51:22,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:51:22,450 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 97 states. [2018-07-23 13:51:22,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:22,892 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:51:22,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:51:22,892 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 96 [2018-07-23 13:51:22,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:22,892 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:51:22,893 INFO L226 Difference]: Without dead ends: 98 [2018-07-23 13:51:22,893 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:51:22,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-07-23 13:51:22,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-07-23 13:51:22,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-23 13:51:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-07-23 13:51:22,898 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 96 [2018-07-23 13:51:22,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:22,899 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2018-07-23 13:51:22,899 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:51:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-07-23 13:51:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-07-23 13:51:22,899 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:22,900 INFO L357 BasicCegarLoop]: trace histogram [95, 1, 1] [2018-07-23 13:51:22,900 INFO L414 AbstractCegarLoop]: === Iteration 96 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:22,900 INFO L82 PathProgramCache]: Analyzing trace with hash 871523361, now seen corresponding path program 95 times [2018-07-23 13:51:22,900 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:23,332 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:23,332 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:51:23,332 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:23,332 INFO L185 omatonBuilderFactory]: Interpolants [24331#true, 24332#false, 24333#(and (<= proc_a 0) (<= 0 proc_a)), 24334#(and (<= 2 proc_a) (<= proc_a 2)), 24335#(and (<= 4 proc_a) (<= proc_a 4)), 24336#(and (<= 6 proc_a) (<= proc_a 6)), 24337#(and (<= proc_a 8) (<= 8 proc_a)), 24338#(and (<= 10 proc_a) (<= proc_a 10)), 24339#(and (<= proc_a 12) (<= 12 proc_a)), 24340#(and (<= 14 proc_a) (<= proc_a 14)), 24341#(and (<= proc_a 16) (<= 16 proc_a)), 24342#(and (<= 18 proc_a) (<= proc_a 18)), 24343#(and (<= 20 proc_a) (<= proc_a 20)), 24344#(and (<= 22 proc_a) (<= proc_a 22)), 24345#(and (<= 24 proc_a) (<= proc_a 24)), 24346#(and (<= 26 proc_a) (<= proc_a 26)), 24347#(and (<= proc_a 28) (<= 28 proc_a)), 24348#(and (<= proc_a 30) (<= 30 proc_a)), 24349#(and (<= 32 proc_a) (<= proc_a 32)), 24350#(and (<= 34 proc_a) (<= proc_a 34)), 24351#(and (<= 36 proc_a) (<= proc_a 36)), 24352#(and (<= 38 proc_a) (<= proc_a 38)), 24353#(and (<= 40 proc_a) (<= proc_a 40)), 24354#(and (<= proc_a 42) (<= 42 proc_a)), 24355#(and (<= proc_a 44) (<= 44 proc_a)), 24356#(and (<= proc_a 46) (<= 46 proc_a)), 24357#(and (<= 48 proc_a) (<= proc_a 48)), 24358#(and (<= 50 proc_a) (<= proc_a 50)), 24359#(and (<= 52 proc_a) (<= proc_a 52)), 24360#(and (<= 54 proc_a) (<= proc_a 54)), 24361#(and (<= proc_a 56) (<= 56 proc_a)), 24362#(and (<= proc_a 58) (<= 58 proc_a)), 24363#(and (<= 60 proc_a) (<= proc_a 60)), 24364#(and (<= 62 proc_a) (<= proc_a 62)), 24365#(and (<= 64 proc_a) (<= proc_a 64)), 24366#(and (<= 66 proc_a) (<= proc_a 66)), 24367#(and (<= 68 proc_a) (<= proc_a 68)), 24368#(and (<= proc_a 70) (<= 70 proc_a)), 24369#(and (<= 72 proc_a) (<= proc_a 72)), 24370#(and (<= proc_a 74) (<= 74 proc_a)), 24371#(and (<= proc_a 76) (<= 76 proc_a)), 24372#(and (<= 78 proc_a) (<= proc_a 78)), 24373#(and (<= proc_a 80) (<= 80 proc_a)), 24374#(and (<= 82 proc_a) (<= proc_a 82)), 24375#(and (<= proc_a 84) (<= 84 proc_a)), 24376#(and (<= 86 proc_a) (<= proc_a 86)), 24377#(and (<= 88 proc_a) (<= proc_a 88)), 24378#(and (<= proc_a 90) (<= 90 proc_a)), 24379#(and (<= 92 proc_a) (<= proc_a 92)), 24380#(and (<= proc_a 94) (<= 94 proc_a)), 24381#(and (<= proc_a 96) (<= 96 proc_a)), 24382#(and (<= 98 proc_a) (<= proc_a 98)), 24383#(and (<= proc_a 100) (<= 100 proc_a)), 24384#(and (<= 102 proc_a) (<= proc_a 102)), 24385#(and (<= proc_a 104) (<= 104 proc_a)), 24386#(and (<= 106 proc_a) (<= proc_a 106)), 24387#(and (<= proc_a 108) (<= 108 proc_a)), 24388#(and (<= proc_a 110) (<= 110 proc_a)), 24389#(and (<= proc_a 112) (<= 112 proc_a)), 24390#(and (<= 114 proc_a) (<= proc_a 114)), 24391#(and (<= 116 proc_a) (<= proc_a 116)), 24392#(and (<= proc_a 118) (<= 118 proc_a)), 24393#(and (<= 120 proc_a) (<= proc_a 120)), 24394#(and (<= proc_a 122) (<= 122 proc_a)), 24395#(and (<= proc_a 124) (<= 124 proc_a)), 24396#(and (<= proc_a 126) (<= 126 proc_a)), 24397#(and (<= 128 proc_a) (<= proc_a 128)), 24398#(and (<= proc_a 130) (<= 130 proc_a)), 24399#(and (<= 132 proc_a) (<= proc_a 132)), 24400#(and (<= proc_a 134) (<= 134 proc_a)), 24401#(and (<= proc_a 136) (<= 136 proc_a)), 24402#(and (<= proc_a 138) (<= 138 proc_a)), 24403#(and (<= proc_a 140) (<= 140 proc_a)), 24404#(and (<= 142 proc_a) (<= proc_a 142)), 24405#(and (<= 144 proc_a) (<= proc_a 144)), 24406#(and (<= proc_a 146) (<= 146 proc_a)), 24407#(and (<= 148 proc_a) (<= proc_a 148)), 24408#(and (<= proc_a 150) (<= 150 proc_a)), 24409#(and (<= proc_a 152) (<= 152 proc_a)), 24410#(and (<= 154 proc_a) (<= proc_a 154)), 24411#(and (<= 156 proc_a) (<= proc_a 156)), 24412#(and (<= proc_a 158) (<= 158 proc_a)), 24413#(and (<= 160 proc_a) (<= proc_a 160)), 24414#(and (<= proc_a 162) (<= 162 proc_a)), 24415#(and (<= 164 proc_a) (<= proc_a 164)), 24416#(and (<= 166 proc_a) (<= proc_a 166)), 24417#(and (<= 168 proc_a) (<= proc_a 168)), 24418#(and (<= 170 proc_a) (<= proc_a 170)), 24419#(and (<= 172 proc_a) (<= proc_a 172)), 24420#(and (<= proc_a 174) (<= 174 proc_a)), 24421#(and (<= 176 proc_a) (<= proc_a 176)), 24422#(and (<= 178 proc_a) (<= proc_a 178)), 24423#(and (<= proc_a 180) (<= 180 proc_a)), 24424#(and (<= proc_a 182) (<= 182 proc_a)), 24425#(and (<= 184 proc_a) (<= proc_a 184)), 24426#(and (<= 186 proc_a) (<= proc_a 186)), 24427#(and (<= 188 proc_a) (<= proc_a 188)), 24428#(and (<= 190 proc_a) (<= proc_a 190))] [2018-07-23 13:51:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:23,333 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:51:23,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:51:23,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:51:23,334 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand 98 states. [2018-07-23 13:51:23,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:23,793 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-07-23 13:51:23,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:51:23,793 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 97 [2018-07-23 13:51:23,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:23,793 INFO L225 Difference]: With dead ends: 100 [2018-07-23 13:51:23,794 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:51:23,794 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:51:23,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:51:23,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:51:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:51:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:51:23,798 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 97 [2018-07-23 13:51:23,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:23,798 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:51:23,798 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:51:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:51:23,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:51:23,799 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:23,799 INFO L357 BasicCegarLoop]: trace histogram [96, 1, 1] [2018-07-23 13:51:23,799 INFO L414 AbstractCegarLoop]: === Iteration 97 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:23,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1247420359, now seen corresponding path program 96 times [2018-07-23 13:51:23,800 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:24,175 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:24,175 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:51:24,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:24,175 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 13:51:24,176 INFO L185 omatonBuilderFactory]: Interpolants [24832#(and (<= 6 proc_a) (<= proc_a 6)), 24833#(and (<= proc_a 8) (<= 8 proc_a)), 24834#(and (<= 10 proc_a) (<= proc_a 10)), 24835#(and (<= proc_a 12) (<= 12 proc_a)), 24836#(and (<= 14 proc_a) (<= proc_a 14)), 24837#(and (<= proc_a 16) (<= 16 proc_a)), 24838#(and (<= 18 proc_a) (<= proc_a 18)), 24839#(and (<= 20 proc_a) (<= proc_a 20)), 24840#(and (<= 22 proc_a) (<= proc_a 22)), 24841#(and (<= 24 proc_a) (<= proc_a 24)), 24842#(and (<= 26 proc_a) (<= proc_a 26)), 24843#(and (<= proc_a 28) (<= 28 proc_a)), 24844#(and (<= proc_a 30) (<= 30 proc_a)), 24845#(and (<= 32 proc_a) (<= proc_a 32)), 24846#(and (<= 34 proc_a) (<= proc_a 34)), 24847#(and (<= 36 proc_a) (<= proc_a 36)), 24848#(and (<= 38 proc_a) (<= proc_a 38)), 24849#(and (<= 40 proc_a) (<= proc_a 40)), 24850#(and (<= proc_a 42) (<= 42 proc_a)), 24851#(and (<= proc_a 44) (<= 44 proc_a)), 24852#(and (<= proc_a 46) (<= 46 proc_a)), 24853#(and (<= 48 proc_a) (<= proc_a 48)), 24854#(and (<= 50 proc_a) (<= proc_a 50)), 24855#(and (<= 52 proc_a) (<= proc_a 52)), 24856#(and (<= 54 proc_a) (<= proc_a 54)), 24857#(and (<= proc_a 56) (<= 56 proc_a)), 24858#(and (<= proc_a 58) (<= 58 proc_a)), 24859#(and (<= 60 proc_a) (<= proc_a 60)), 24860#(and (<= 62 proc_a) (<= proc_a 62)), 24861#(and (<= 64 proc_a) (<= proc_a 64)), 24862#(and (<= 66 proc_a) (<= proc_a 66)), 24863#(and (<= 68 proc_a) (<= proc_a 68)), 24864#(and (<= proc_a 70) (<= 70 proc_a)), 24865#(and (<= 72 proc_a) (<= proc_a 72)), 24866#(and (<= proc_a 74) (<= 74 proc_a)), 24867#(and (<= proc_a 76) (<= 76 proc_a)), 24868#(and (<= 78 proc_a) (<= proc_a 78)), 24869#(and (<= proc_a 80) (<= 80 proc_a)), 24870#(and (<= 82 proc_a) (<= proc_a 82)), 24871#(and (<= proc_a 84) (<= 84 proc_a)), 24872#(and (<= 86 proc_a) (<= proc_a 86)), 24873#(and (<= 88 proc_a) (<= proc_a 88)), 24874#(and (<= proc_a 90) (<= 90 proc_a)), 24875#(and (<= 92 proc_a) (<= proc_a 92)), 24876#(and (<= proc_a 94) (<= 94 proc_a)), 24877#(and (<= proc_a 96) (<= 96 proc_a)), 24878#(and (<= 98 proc_a) (<= proc_a 98)), 24879#(and (<= proc_a 100) (<= 100 proc_a)), 24880#(and (<= 102 proc_a) (<= proc_a 102)), 24881#(and (<= proc_a 104) (<= 104 proc_a)), 24882#(and (<= 106 proc_a) (<= proc_a 106)), 24883#(and (<= proc_a 108) (<= 108 proc_a)), 24884#(and (<= proc_a 110) (<= 110 proc_a)), 24885#(and (<= proc_a 112) (<= 112 proc_a)), 24886#(and (<= 114 proc_a) (<= proc_a 114)), 24887#(and (<= 116 proc_a) (<= proc_a 116)), 24888#(and (<= proc_a 118) (<= 118 proc_a)), 24889#(and (<= 120 proc_a) (<= proc_a 120)), 24890#(and (<= proc_a 122) (<= 122 proc_a)), 24891#(and (<= proc_a 124) (<= 124 proc_a)), 24892#(and (<= proc_a 126) (<= 126 proc_a)), 24893#(and (<= 128 proc_a) (<= proc_a 128)), 24894#(and (<= proc_a 130) (<= 130 proc_a)), 24895#(and (<= 132 proc_a) (<= proc_a 132)), 24896#(and (<= proc_a 134) (<= 134 proc_a)), 24897#(and (<= proc_a 136) (<= 136 proc_a)), 24898#(and (<= proc_a 138) (<= 138 proc_a)), 24899#(and (<= proc_a 140) (<= 140 proc_a)), 24900#(and (<= 142 proc_a) (<= proc_a 142)), 24901#(and (<= 144 proc_a) (<= proc_a 144)), 24902#(and (<= proc_a 146) (<= 146 proc_a)), 24903#(and (<= 148 proc_a) (<= proc_a 148)), 24904#(and (<= proc_a 150) (<= 150 proc_a)), 24905#(and (<= proc_a 152) (<= 152 proc_a)), 24906#(and (<= 154 proc_a) (<= proc_a 154)), 24907#(and (<= 156 proc_a) (<= proc_a 156)), 24908#(and (<= proc_a 158) (<= 158 proc_a)), 24909#(and (<= 160 proc_a) (<= proc_a 160)), 24910#(and (<= proc_a 162) (<= 162 proc_a)), 24911#(and (<= 164 proc_a) (<= proc_a 164)), 24912#(and (<= 166 proc_a) (<= proc_a 166)), 24913#(and (<= 168 proc_a) (<= proc_a 168)), 24914#(and (<= 170 proc_a) (<= proc_a 170)), 24915#(and (<= 172 proc_a) (<= proc_a 172)), 24916#(and (<= proc_a 174) (<= 174 proc_a)), 24917#(and (<= 176 proc_a) (<= proc_a 176)), 24918#(and (<= 178 proc_a) (<= proc_a 178)), 24919#(and (<= proc_a 180) (<= 180 proc_a)), 24920#(and (<= proc_a 182) (<= 182 proc_a)), 24921#(and (<= 184 proc_a) (<= proc_a 184)), 24922#(and (<= 186 proc_a) (<= proc_a 186)), 24923#(and (<= 188 proc_a) (<= proc_a 188)), 24924#(and (<= 190 proc_a) (<= proc_a 190)), 24925#(and (<= proc_a 192) (<= 192 proc_a)), 24827#true, 24828#false, 24829#(and (<= proc_a 0) (<= 0 proc_a)), 24830#(and (<= 2 proc_a) (<= proc_a 2)), 24831#(and (<= 4 proc_a) (<= proc_a 4))] [2018-07-23 13:51:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:24,176 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:51:24,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:51:24,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=9507, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:51:24,177 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 99 states. [2018-07-23 13:51:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:24,708 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:51:24,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:51:24,708 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 98 [2018-07-23 13:51:24,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:24,709 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:51:24,709 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 13:51:24,710 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=9507, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:51:24,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 13:51:24,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-07-23 13:51:24,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-07-23 13:51:24,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-07-23 13:51:24,716 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 98 [2018-07-23 13:51:24,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:24,716 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-07-23 13:51:24,716 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:51:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-07-23 13:51:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 13:51:24,717 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:24,717 INFO L357 BasicCegarLoop]: trace histogram [97, 1, 1] [2018-07-23 13:51:24,717 INFO L414 AbstractCegarLoop]: === Iteration 98 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:24,718 INFO L82 PathProgramCache]: Analyzing trace with hash 15325409, now seen corresponding path program 97 times [2018-07-23 13:51:24,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:25,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:25,319 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:25,319 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:51:25,319 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:25,320 INFO L185 omatonBuilderFactory]: Interpolants [25344#(and (<= proc_a 28) (<= 28 proc_a)), 25345#(and (<= proc_a 30) (<= 30 proc_a)), 25346#(and (<= 32 proc_a) (<= proc_a 32)), 25347#(and (<= 34 proc_a) (<= proc_a 34)), 25348#(and (<= 36 proc_a) (<= proc_a 36)), 25349#(and (<= 38 proc_a) (<= proc_a 38)), 25350#(and (<= 40 proc_a) (<= proc_a 40)), 25351#(and (<= proc_a 42) (<= 42 proc_a)), 25352#(and (<= proc_a 44) (<= 44 proc_a)), 25353#(and (<= proc_a 46) (<= 46 proc_a)), 25354#(and (<= 48 proc_a) (<= proc_a 48)), 25355#(and (<= 50 proc_a) (<= proc_a 50)), 25356#(and (<= 52 proc_a) (<= proc_a 52)), 25357#(and (<= 54 proc_a) (<= proc_a 54)), 25358#(and (<= proc_a 56) (<= 56 proc_a)), 25359#(and (<= proc_a 58) (<= 58 proc_a)), 25360#(and (<= 60 proc_a) (<= proc_a 60)), 25361#(and (<= 62 proc_a) (<= proc_a 62)), 25362#(and (<= 64 proc_a) (<= proc_a 64)), 25363#(and (<= 66 proc_a) (<= proc_a 66)), 25364#(and (<= 68 proc_a) (<= proc_a 68)), 25365#(and (<= proc_a 70) (<= 70 proc_a)), 25366#(and (<= 72 proc_a) (<= proc_a 72)), 25367#(and (<= proc_a 74) (<= 74 proc_a)), 25368#(and (<= proc_a 76) (<= 76 proc_a)), 25369#(and (<= 78 proc_a) (<= proc_a 78)), 25370#(and (<= proc_a 80) (<= 80 proc_a)), 25371#(and (<= 82 proc_a) (<= proc_a 82)), 25372#(and (<= proc_a 84) (<= 84 proc_a)), 25373#(and (<= 86 proc_a) (<= proc_a 86)), 25374#(and (<= 88 proc_a) (<= proc_a 88)), 25375#(and (<= proc_a 90) (<= 90 proc_a)), 25376#(and (<= 92 proc_a) (<= proc_a 92)), 25377#(and (<= proc_a 94) (<= 94 proc_a)), 25378#(and (<= proc_a 96) (<= 96 proc_a)), 25379#(and (<= 98 proc_a) (<= proc_a 98)), 25380#(and (<= proc_a 100) (<= 100 proc_a)), 25381#(and (<= 102 proc_a) (<= proc_a 102)), 25382#(and (<= proc_a 104) (<= 104 proc_a)), 25383#(and (<= 106 proc_a) (<= proc_a 106)), 25384#(and (<= proc_a 108) (<= 108 proc_a)), 25385#(and (<= proc_a 110) (<= 110 proc_a)), 25386#(and (<= proc_a 112) (<= 112 proc_a)), 25387#(and (<= 114 proc_a) (<= proc_a 114)), 25388#(and (<= 116 proc_a) (<= proc_a 116)), 25389#(and (<= proc_a 118) (<= 118 proc_a)), 25390#(and (<= 120 proc_a) (<= proc_a 120)), 25391#(and (<= proc_a 122) (<= 122 proc_a)), 25392#(and (<= proc_a 124) (<= 124 proc_a)), 25393#(and (<= proc_a 126) (<= 126 proc_a)), 25394#(and (<= 128 proc_a) (<= proc_a 128)), 25395#(and (<= proc_a 130) (<= 130 proc_a)), 25396#(and (<= 132 proc_a) (<= proc_a 132)), 25397#(and (<= proc_a 134) (<= 134 proc_a)), 25398#(and (<= proc_a 136) (<= 136 proc_a)), 25399#(and (<= proc_a 138) (<= 138 proc_a)), 25400#(and (<= proc_a 140) (<= 140 proc_a)), 25401#(and (<= 142 proc_a) (<= proc_a 142)), 25402#(and (<= 144 proc_a) (<= proc_a 144)), 25403#(and (<= proc_a 146) (<= 146 proc_a)), 25404#(and (<= 148 proc_a) (<= proc_a 148)), 25405#(and (<= proc_a 150) (<= 150 proc_a)), 25406#(and (<= proc_a 152) (<= 152 proc_a)), 25407#(and (<= 154 proc_a) (<= proc_a 154)), 25408#(and (<= 156 proc_a) (<= proc_a 156)), 25409#(and (<= proc_a 158) (<= 158 proc_a)), 25410#(and (<= 160 proc_a) (<= proc_a 160)), 25411#(and (<= proc_a 162) (<= 162 proc_a)), 25412#(and (<= 164 proc_a) (<= proc_a 164)), 25413#(and (<= 166 proc_a) (<= proc_a 166)), 25414#(and (<= 168 proc_a) (<= proc_a 168)), 25415#(and (<= 170 proc_a) (<= proc_a 170)), 25416#(and (<= 172 proc_a) (<= proc_a 172)), 25417#(and (<= proc_a 174) (<= 174 proc_a)), 25418#(and (<= 176 proc_a) (<= proc_a 176)), 25419#(and (<= 178 proc_a) (<= proc_a 178)), 25420#(and (<= proc_a 180) (<= 180 proc_a)), 25421#(and (<= proc_a 182) (<= 182 proc_a)), 25422#(and (<= 184 proc_a) (<= proc_a 184)), 25423#(and (<= 186 proc_a) (<= proc_a 186)), 25424#(and (<= 188 proc_a) (<= proc_a 188)), 25425#(and (<= 190 proc_a) (<= proc_a 190)), 25426#(and (<= proc_a 192) (<= 192 proc_a)), 25427#(and (<= 194 proc_a) (<= proc_a 194)), 25328#true, 25329#false, 25330#(and (<= proc_a 0) (<= 0 proc_a)), 25331#(and (<= 2 proc_a) (<= proc_a 2)), 25332#(and (<= 4 proc_a) (<= proc_a 4)), 25333#(and (<= 6 proc_a) (<= proc_a 6)), 25334#(and (<= proc_a 8) (<= 8 proc_a)), 25335#(and (<= 10 proc_a) (<= proc_a 10)), 25336#(and (<= proc_a 12) (<= 12 proc_a)), 25337#(and (<= 14 proc_a) (<= proc_a 14)), 25338#(and (<= proc_a 16) (<= 16 proc_a)), 25339#(and (<= 18 proc_a) (<= proc_a 18)), 25340#(and (<= 20 proc_a) (<= proc_a 20)), 25341#(and (<= 22 proc_a) (<= proc_a 22)), 25342#(and (<= 24 proc_a) (<= proc_a 24)), 25343#(and (<= 26 proc_a) (<= proc_a 26))] [2018-07-23 13:51:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:25,321 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:51:25,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:51:25,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:51:25,322 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 100 states. [2018-07-23 13:51:25,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:25,932 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2018-07-23 13:51:25,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:51:25,932 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 99 [2018-07-23 13:51:25,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:25,933 INFO L225 Difference]: With dead ends: 102 [2018-07-23 13:51:25,933 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:51:25,933 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:51:25,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:51:25,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:51:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:51:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:51:25,937 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 99 [2018-07-23 13:51:25,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:25,937 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:51:25,937 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:51:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:51:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:51:25,938 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:25,938 INFO L357 BasicCegarLoop]: trace histogram [98, 1, 1] [2018-07-23 13:51:25,938 INFO L414 AbstractCegarLoop]: === Iteration 99 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:25,938 INFO L82 PathProgramCache]: Analyzing trace with hash 475087623, now seen corresponding path program 98 times [2018-07-23 13:51:25,938 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:26,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:26,345 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:51:26,345 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:26,345 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 13:51:26,346 INFO L185 omatonBuilderFactory]: Interpolants [25856#(and (<= 40 proc_a) (<= proc_a 40)), 25857#(and (<= proc_a 42) (<= 42 proc_a)), 25858#(and (<= proc_a 44) (<= 44 proc_a)), 25859#(and (<= proc_a 46) (<= 46 proc_a)), 25860#(and (<= 48 proc_a) (<= proc_a 48)), 25861#(and (<= 50 proc_a) (<= proc_a 50)), 25862#(and (<= 52 proc_a) (<= proc_a 52)), 25863#(and (<= 54 proc_a) (<= proc_a 54)), 25864#(and (<= proc_a 56) (<= 56 proc_a)), 25865#(and (<= proc_a 58) (<= 58 proc_a)), 25866#(and (<= 60 proc_a) (<= proc_a 60)), 25867#(and (<= 62 proc_a) (<= proc_a 62)), 25868#(and (<= 64 proc_a) (<= proc_a 64)), 25869#(and (<= 66 proc_a) (<= proc_a 66)), 25870#(and (<= 68 proc_a) (<= proc_a 68)), 25871#(and (<= proc_a 70) (<= 70 proc_a)), 25872#(and (<= 72 proc_a) (<= proc_a 72)), 25873#(and (<= proc_a 74) (<= 74 proc_a)), 25874#(and (<= proc_a 76) (<= 76 proc_a)), 25875#(and (<= 78 proc_a) (<= proc_a 78)), 25876#(and (<= proc_a 80) (<= 80 proc_a)), 25877#(and (<= 82 proc_a) (<= proc_a 82)), 25878#(and (<= proc_a 84) (<= 84 proc_a)), 25879#(and (<= 86 proc_a) (<= proc_a 86)), 25880#(and (<= 88 proc_a) (<= proc_a 88)), 25881#(and (<= proc_a 90) (<= 90 proc_a)), 25882#(and (<= 92 proc_a) (<= proc_a 92)), 25883#(and (<= proc_a 94) (<= 94 proc_a)), 25884#(and (<= proc_a 96) (<= 96 proc_a)), 25885#(and (<= 98 proc_a) (<= proc_a 98)), 25886#(and (<= proc_a 100) (<= 100 proc_a)), 25887#(and (<= 102 proc_a) (<= proc_a 102)), 25888#(and (<= proc_a 104) (<= 104 proc_a)), 25889#(and (<= 106 proc_a) (<= proc_a 106)), 25890#(and (<= proc_a 108) (<= 108 proc_a)), 25891#(and (<= proc_a 110) (<= 110 proc_a)), 25892#(and (<= proc_a 112) (<= 112 proc_a)), 25893#(and (<= 114 proc_a) (<= proc_a 114)), 25894#(and (<= 116 proc_a) (<= proc_a 116)), 25895#(and (<= proc_a 118) (<= 118 proc_a)), 25896#(and (<= 120 proc_a) (<= proc_a 120)), 25897#(and (<= proc_a 122) (<= 122 proc_a)), 25898#(and (<= proc_a 124) (<= 124 proc_a)), 25899#(and (<= proc_a 126) (<= 126 proc_a)), 25900#(and (<= 128 proc_a) (<= proc_a 128)), 25901#(and (<= proc_a 130) (<= 130 proc_a)), 25902#(and (<= 132 proc_a) (<= proc_a 132)), 25903#(and (<= proc_a 134) (<= 134 proc_a)), 25904#(and (<= proc_a 136) (<= 136 proc_a)), 25905#(and (<= proc_a 138) (<= 138 proc_a)), 25906#(and (<= proc_a 140) (<= 140 proc_a)), 25907#(and (<= 142 proc_a) (<= proc_a 142)), 25908#(and (<= 144 proc_a) (<= proc_a 144)), 25909#(and (<= proc_a 146) (<= 146 proc_a)), 25910#(and (<= 148 proc_a) (<= proc_a 148)), 25911#(and (<= proc_a 150) (<= 150 proc_a)), 25912#(and (<= proc_a 152) (<= 152 proc_a)), 25913#(and (<= 154 proc_a) (<= proc_a 154)), 25914#(and (<= 156 proc_a) (<= proc_a 156)), 25915#(and (<= proc_a 158) (<= 158 proc_a)), 25916#(and (<= 160 proc_a) (<= proc_a 160)), 25917#(and (<= proc_a 162) (<= 162 proc_a)), 25918#(and (<= 164 proc_a) (<= proc_a 164)), 25919#(and (<= 166 proc_a) (<= proc_a 166)), 25920#(and (<= 168 proc_a) (<= proc_a 168)), 25921#(and (<= 170 proc_a) (<= proc_a 170)), 25922#(and (<= 172 proc_a) (<= proc_a 172)), 25923#(and (<= proc_a 174) (<= 174 proc_a)), 25924#(and (<= 176 proc_a) (<= proc_a 176)), 25925#(and (<= 178 proc_a) (<= proc_a 178)), 25926#(and (<= proc_a 180) (<= 180 proc_a)), 25927#(and (<= proc_a 182) (<= 182 proc_a)), 25928#(and (<= 184 proc_a) (<= proc_a 184)), 25929#(and (<= 186 proc_a) (<= proc_a 186)), 25930#(and (<= 188 proc_a) (<= proc_a 188)), 25931#(and (<= 190 proc_a) (<= proc_a 190)), 25932#(and (<= proc_a 192) (<= 192 proc_a)), 25933#(and (<= 194 proc_a) (<= proc_a 194)), 25934#(and (<= proc_a 196) (<= 196 proc_a)), 25834#true, 25835#false, 25836#(and (<= proc_a 0) (<= 0 proc_a)), 25837#(and (<= 2 proc_a) (<= proc_a 2)), 25838#(and (<= 4 proc_a) (<= proc_a 4)), 25839#(and (<= 6 proc_a) (<= proc_a 6)), 25840#(and (<= proc_a 8) (<= 8 proc_a)), 25841#(and (<= 10 proc_a) (<= proc_a 10)), 25842#(and (<= proc_a 12) (<= 12 proc_a)), 25843#(and (<= 14 proc_a) (<= proc_a 14)), 25844#(and (<= proc_a 16) (<= 16 proc_a)), 25845#(and (<= 18 proc_a) (<= proc_a 18)), 25846#(and (<= 20 proc_a) (<= proc_a 20)), 25847#(and (<= 22 proc_a) (<= proc_a 22)), 25848#(and (<= 24 proc_a) (<= proc_a 24)), 25849#(and (<= 26 proc_a) (<= proc_a 26)), 25850#(and (<= proc_a 28) (<= 28 proc_a)), 25851#(and (<= proc_a 30) (<= 30 proc_a)), 25852#(and (<= 32 proc_a) (<= proc_a 32)), 25853#(and (<= 34 proc_a) (<= proc_a 34)), 25854#(and (<= 36 proc_a) (<= proc_a 36)), 25855#(and (<= 38 proc_a) (<= proc_a 38))] [2018-07-23 13:51:26,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:26,346 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:51:26,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:51:26,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=9901, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:51:26,347 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 101 states. [2018-07-23 13:51:26,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:26,868 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:51:26,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:51:26,869 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 100 [2018-07-23 13:51:26,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:26,870 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:51:26,870 INFO L226 Difference]: Without dead ends: 102 [2018-07-23 13:51:26,871 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=9901, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:51:26,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-07-23 13:51:26,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-07-23 13:51:26,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-23 13:51:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-07-23 13:51:26,876 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 100 [2018-07-23 13:51:26,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:26,876 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-07-23 13:51:26,876 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:51:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-07-23 13:51:26,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-07-23 13:51:26,877 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:26,877 INFO L357 BasicCegarLoop]: trace histogram [99, 1, 1] [2018-07-23 13:51:26,877 INFO L414 AbstractCegarLoop]: === Iteration 100 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:26,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1842814369, now seen corresponding path program 99 times [2018-07-23 13:51:26,878 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:27,306 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:27,306 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:51:27,306 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:27,307 INFO L185 omatonBuilderFactory]: Interpolants [26368#(and (<= proc_a 42) (<= 42 proc_a)), 26369#(and (<= proc_a 44) (<= 44 proc_a)), 26370#(and (<= proc_a 46) (<= 46 proc_a)), 26371#(and (<= 48 proc_a) (<= proc_a 48)), 26372#(and (<= 50 proc_a) (<= proc_a 50)), 26373#(and (<= 52 proc_a) (<= proc_a 52)), 26374#(and (<= 54 proc_a) (<= proc_a 54)), 26375#(and (<= proc_a 56) (<= 56 proc_a)), 26376#(and (<= proc_a 58) (<= 58 proc_a)), 26377#(and (<= 60 proc_a) (<= proc_a 60)), 26378#(and (<= 62 proc_a) (<= proc_a 62)), 26379#(and (<= 64 proc_a) (<= proc_a 64)), 26380#(and (<= 66 proc_a) (<= proc_a 66)), 26381#(and (<= 68 proc_a) (<= proc_a 68)), 26382#(and (<= proc_a 70) (<= 70 proc_a)), 26383#(and (<= 72 proc_a) (<= proc_a 72)), 26384#(and (<= proc_a 74) (<= 74 proc_a)), 26385#(and (<= proc_a 76) (<= 76 proc_a)), 26386#(and (<= 78 proc_a) (<= proc_a 78)), 26387#(and (<= proc_a 80) (<= 80 proc_a)), 26388#(and (<= 82 proc_a) (<= proc_a 82)), 26389#(and (<= proc_a 84) (<= 84 proc_a)), 26390#(and (<= 86 proc_a) (<= proc_a 86)), 26391#(and (<= 88 proc_a) (<= proc_a 88)), 26392#(and (<= proc_a 90) (<= 90 proc_a)), 26393#(and (<= 92 proc_a) (<= proc_a 92)), 26394#(and (<= proc_a 94) (<= 94 proc_a)), 26395#(and (<= proc_a 96) (<= 96 proc_a)), 26396#(and (<= 98 proc_a) (<= proc_a 98)), 26397#(and (<= proc_a 100) (<= 100 proc_a)), 26398#(and (<= 102 proc_a) (<= proc_a 102)), 26399#(and (<= proc_a 104) (<= 104 proc_a)), 26400#(and (<= 106 proc_a) (<= proc_a 106)), 26401#(and (<= proc_a 108) (<= 108 proc_a)), 26402#(and (<= proc_a 110) (<= 110 proc_a)), 26403#(and (<= proc_a 112) (<= 112 proc_a)), 26404#(and (<= 114 proc_a) (<= proc_a 114)), 26405#(and (<= 116 proc_a) (<= proc_a 116)), 26406#(and (<= proc_a 118) (<= 118 proc_a)), 26407#(and (<= 120 proc_a) (<= proc_a 120)), 26408#(and (<= proc_a 122) (<= 122 proc_a)), 26409#(and (<= proc_a 124) (<= 124 proc_a)), 26410#(and (<= proc_a 126) (<= 126 proc_a)), 26411#(and (<= 128 proc_a) (<= proc_a 128)), 26412#(and (<= proc_a 130) (<= 130 proc_a)), 26413#(and (<= 132 proc_a) (<= proc_a 132)), 26414#(and (<= proc_a 134) (<= 134 proc_a)), 26415#(and (<= proc_a 136) (<= 136 proc_a)), 26416#(and (<= proc_a 138) (<= 138 proc_a)), 26417#(and (<= proc_a 140) (<= 140 proc_a)), 26418#(and (<= 142 proc_a) (<= proc_a 142)), 26419#(and (<= 144 proc_a) (<= proc_a 144)), 26420#(and (<= proc_a 146) (<= 146 proc_a)), 26421#(and (<= 148 proc_a) (<= proc_a 148)), 26422#(and (<= proc_a 150) (<= 150 proc_a)), 26423#(and (<= proc_a 152) (<= 152 proc_a)), 26424#(and (<= 154 proc_a) (<= proc_a 154)), 26425#(and (<= 156 proc_a) (<= proc_a 156)), 26426#(and (<= proc_a 158) (<= 158 proc_a)), 26427#(and (<= 160 proc_a) (<= proc_a 160)), 26428#(and (<= proc_a 162) (<= 162 proc_a)), 26429#(and (<= 164 proc_a) (<= proc_a 164)), 26430#(and (<= 166 proc_a) (<= proc_a 166)), 26431#(and (<= 168 proc_a) (<= proc_a 168)), 26432#(and (<= 170 proc_a) (<= proc_a 170)), 26433#(and (<= 172 proc_a) (<= proc_a 172)), 26434#(and (<= proc_a 174) (<= 174 proc_a)), 26435#(and (<= 176 proc_a) (<= proc_a 176)), 26436#(and (<= 178 proc_a) (<= proc_a 178)), 26437#(and (<= proc_a 180) (<= 180 proc_a)), 26438#(and (<= proc_a 182) (<= 182 proc_a)), 26439#(and (<= 184 proc_a) (<= proc_a 184)), 26440#(and (<= 186 proc_a) (<= proc_a 186)), 26441#(and (<= 188 proc_a) (<= proc_a 188)), 26442#(and (<= 190 proc_a) (<= proc_a 190)), 26443#(and (<= proc_a 192) (<= 192 proc_a)), 26444#(and (<= 194 proc_a) (<= proc_a 194)), 26445#(and (<= proc_a 196) (<= 196 proc_a)), 26446#(and (<= 198 proc_a) (<= proc_a 198)), 26345#true, 26346#false, 26347#(and (<= proc_a 0) (<= 0 proc_a)), 26348#(and (<= 2 proc_a) (<= proc_a 2)), 26349#(and (<= 4 proc_a) (<= proc_a 4)), 26350#(and (<= 6 proc_a) (<= proc_a 6)), 26351#(and (<= proc_a 8) (<= 8 proc_a)), 26352#(and (<= 10 proc_a) (<= proc_a 10)), 26353#(and (<= proc_a 12) (<= 12 proc_a)), 26354#(and (<= 14 proc_a) (<= proc_a 14)), 26355#(and (<= proc_a 16) (<= 16 proc_a)), 26356#(and (<= 18 proc_a) (<= proc_a 18)), 26357#(and (<= 20 proc_a) (<= proc_a 20)), 26358#(and (<= 22 proc_a) (<= proc_a 22)), 26359#(and (<= 24 proc_a) (<= proc_a 24)), 26360#(and (<= 26 proc_a) (<= proc_a 26)), 26361#(and (<= proc_a 28) (<= 28 proc_a)), 26362#(and (<= proc_a 30) (<= 30 proc_a)), 26363#(and (<= 32 proc_a) (<= proc_a 32)), 26364#(and (<= 34 proc_a) (<= proc_a 34)), 26365#(and (<= 36 proc_a) (<= proc_a 36)), 26366#(and (<= 38 proc_a) (<= proc_a 38)), 26367#(and (<= 40 proc_a) (<= proc_a 40))] [2018-07-23 13:51:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:27,307 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:51:27,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:51:27,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=10101, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:51:27,308 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 102 states. [2018-07-23 13:51:27,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:27,851 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2018-07-23 13:51:27,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:51:27,851 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 101 [2018-07-23 13:51:27,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:27,852 INFO L225 Difference]: With dead ends: 104 [2018-07-23 13:51:27,852 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:51:27,853 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=10101, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:51:27,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:51:27,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:51:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:51:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:51:27,858 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 101 [2018-07-23 13:51:27,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:27,859 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:51:27,859 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:51:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:51:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:51:27,859 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:27,860 INFO L357 BasicCegarLoop]: trace histogram [100, 1, 1] [2018-07-23 13:51:27,860 INFO L414 AbstractCegarLoop]: === Iteration 101 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:27,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1292670535, now seen corresponding path program 100 times [2018-07-23 13:51:27,860 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:28,332 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:28,332 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:51:28,332 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:28,333 INFO L185 omatonBuilderFactory]: Interpolants [26880#(and (<= 34 proc_a) (<= proc_a 34)), 26881#(and (<= 36 proc_a) (<= proc_a 36)), 26882#(and (<= 38 proc_a) (<= proc_a 38)), 26883#(and (<= 40 proc_a) (<= proc_a 40)), 26884#(and (<= proc_a 42) (<= 42 proc_a)), 26885#(and (<= proc_a 44) (<= 44 proc_a)), 26886#(and (<= proc_a 46) (<= 46 proc_a)), 26887#(and (<= 48 proc_a) (<= proc_a 48)), 26888#(and (<= 50 proc_a) (<= proc_a 50)), 26889#(and (<= 52 proc_a) (<= proc_a 52)), 26890#(and (<= 54 proc_a) (<= proc_a 54)), 26891#(and (<= proc_a 56) (<= 56 proc_a)), 26892#(and (<= proc_a 58) (<= 58 proc_a)), 26893#(and (<= 60 proc_a) (<= proc_a 60)), 26894#(and (<= 62 proc_a) (<= proc_a 62)), 26895#(and (<= 64 proc_a) (<= proc_a 64)), 26896#(and (<= 66 proc_a) (<= proc_a 66)), 26897#(and (<= 68 proc_a) (<= proc_a 68)), 26898#(and (<= proc_a 70) (<= 70 proc_a)), 26899#(and (<= 72 proc_a) (<= proc_a 72)), 26900#(and (<= proc_a 74) (<= 74 proc_a)), 26901#(and (<= proc_a 76) (<= 76 proc_a)), 26902#(and (<= 78 proc_a) (<= proc_a 78)), 26903#(and (<= proc_a 80) (<= 80 proc_a)), 26904#(and (<= 82 proc_a) (<= proc_a 82)), 26905#(and (<= proc_a 84) (<= 84 proc_a)), 26906#(and (<= 86 proc_a) (<= proc_a 86)), 26907#(and (<= 88 proc_a) (<= proc_a 88)), 26908#(and (<= proc_a 90) (<= 90 proc_a)), 26909#(and (<= 92 proc_a) (<= proc_a 92)), 26910#(and (<= proc_a 94) (<= 94 proc_a)), 26911#(and (<= proc_a 96) (<= 96 proc_a)), 26912#(and (<= 98 proc_a) (<= proc_a 98)), 26913#(and (<= proc_a 100) (<= 100 proc_a)), 26914#(and (<= 102 proc_a) (<= proc_a 102)), 26915#(and (<= proc_a 104) (<= 104 proc_a)), 26916#(and (<= 106 proc_a) (<= proc_a 106)), 26917#(and (<= proc_a 108) (<= 108 proc_a)), 26918#(and (<= proc_a 110) (<= 110 proc_a)), 26919#(and (<= proc_a 112) (<= 112 proc_a)), 26920#(and (<= 114 proc_a) (<= proc_a 114)), 26921#(and (<= 116 proc_a) (<= proc_a 116)), 26922#(and (<= proc_a 118) (<= 118 proc_a)), 26923#(and (<= 120 proc_a) (<= proc_a 120)), 26924#(and (<= proc_a 122) (<= 122 proc_a)), 26925#(and (<= proc_a 124) (<= 124 proc_a)), 26926#(and (<= proc_a 126) (<= 126 proc_a)), 26927#(and (<= 128 proc_a) (<= proc_a 128)), 26928#(and (<= proc_a 130) (<= 130 proc_a)), 26929#(and (<= 132 proc_a) (<= proc_a 132)), 26930#(and (<= proc_a 134) (<= 134 proc_a)), 26931#(and (<= proc_a 136) (<= 136 proc_a)), 26932#(and (<= proc_a 138) (<= 138 proc_a)), 26933#(and (<= proc_a 140) (<= 140 proc_a)), 26934#(and (<= 142 proc_a) (<= proc_a 142)), 26935#(and (<= 144 proc_a) (<= proc_a 144)), 26936#(and (<= proc_a 146) (<= 146 proc_a)), 26937#(and (<= 148 proc_a) (<= proc_a 148)), 26938#(and (<= proc_a 150) (<= 150 proc_a)), 26939#(and (<= proc_a 152) (<= 152 proc_a)), 26940#(and (<= 154 proc_a) (<= proc_a 154)), 26941#(and (<= 156 proc_a) (<= proc_a 156)), 26942#(and (<= proc_a 158) (<= 158 proc_a)), 26943#(and (<= 160 proc_a) (<= proc_a 160)), 26944#(and (<= proc_a 162) (<= 162 proc_a)), 26945#(and (<= 164 proc_a) (<= proc_a 164)), 26946#(and (<= 166 proc_a) (<= proc_a 166)), 26947#(and (<= 168 proc_a) (<= proc_a 168)), 26948#(and (<= 170 proc_a) (<= proc_a 170)), 26949#(and (<= 172 proc_a) (<= proc_a 172)), 26950#(and (<= proc_a 174) (<= 174 proc_a)), 26951#(and (<= 176 proc_a) (<= proc_a 176)), 26952#(and (<= 178 proc_a) (<= proc_a 178)), 26953#(and (<= proc_a 180) (<= 180 proc_a)), 26954#(and (<= proc_a 182) (<= 182 proc_a)), 26955#(and (<= 184 proc_a) (<= proc_a 184)), 26956#(and (<= 186 proc_a) (<= proc_a 186)), 26957#(and (<= 188 proc_a) (<= proc_a 188)), 26958#(and (<= 190 proc_a) (<= proc_a 190)), 26959#(and (<= proc_a 192) (<= 192 proc_a)), 26960#(and (<= 194 proc_a) (<= proc_a 194)), 26961#(and (<= proc_a 196) (<= 196 proc_a)), 26962#(and (<= 198 proc_a) (<= proc_a 198)), 26963#(and (<= proc_a 200) (<= 200 proc_a)), 26861#true, 26862#false, 26863#(and (<= proc_a 0) (<= 0 proc_a)), 26864#(and (<= 2 proc_a) (<= proc_a 2)), 26865#(and (<= 4 proc_a) (<= proc_a 4)), 26866#(and (<= 6 proc_a) (<= proc_a 6)), 26867#(and (<= proc_a 8) (<= 8 proc_a)), 26868#(and (<= 10 proc_a) (<= proc_a 10)), 26869#(and (<= proc_a 12) (<= 12 proc_a)), 26870#(and (<= 14 proc_a) (<= proc_a 14)), 26871#(and (<= proc_a 16) (<= 16 proc_a)), 26872#(and (<= 18 proc_a) (<= proc_a 18)), 26873#(and (<= 20 proc_a) (<= proc_a 20)), 26874#(and (<= 22 proc_a) (<= proc_a 22)), 26875#(and (<= 24 proc_a) (<= proc_a 24)), 26876#(and (<= 26 proc_a) (<= proc_a 26)), 26877#(and (<= proc_a 28) (<= 28 proc_a)), 26878#(and (<= proc_a 30) (<= 30 proc_a)), 26879#(and (<= 32 proc_a) (<= proc_a 32))] [2018-07-23 13:51:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:28,333 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:51:28,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:51:28,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:51:28,334 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 103 states. [2018-07-23 13:51:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:28,919 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:51:28,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:51:28,920 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 102 [2018-07-23 13:51:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:28,920 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:51:28,920 INFO L226 Difference]: Without dead ends: 104 [2018-07-23 13:51:28,921 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:51:28,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-07-23 13:51:28,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-07-23 13:51:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-07-23 13:51:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2018-07-23 13:51:28,925 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 102 [2018-07-23 13:51:28,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:28,926 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2018-07-23 13:51:28,926 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:51:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2018-07-23 13:51:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-23 13:51:28,926 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:28,927 INFO L357 BasicCegarLoop]: trace histogram [101, 1, 1] [2018-07-23 13:51:28,927 INFO L414 AbstractCegarLoop]: === Iteration 102 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:28,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1418080865, now seen corresponding path program 101 times [2018-07-23 13:51:28,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:29,363 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:29,363 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:51:29,363 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:29,364 INFO L185 omatonBuilderFactory]: Interpolants [27392#(and (<= proc_a 16) (<= 16 proc_a)), 27393#(and (<= 18 proc_a) (<= proc_a 18)), 27394#(and (<= 20 proc_a) (<= proc_a 20)), 27395#(and (<= 22 proc_a) (<= proc_a 22)), 27396#(and (<= 24 proc_a) (<= proc_a 24)), 27397#(and (<= 26 proc_a) (<= proc_a 26)), 27398#(and (<= proc_a 28) (<= 28 proc_a)), 27399#(and (<= proc_a 30) (<= 30 proc_a)), 27400#(and (<= 32 proc_a) (<= proc_a 32)), 27401#(and (<= 34 proc_a) (<= proc_a 34)), 27402#(and (<= 36 proc_a) (<= proc_a 36)), 27403#(and (<= 38 proc_a) (<= proc_a 38)), 27404#(and (<= 40 proc_a) (<= proc_a 40)), 27405#(and (<= proc_a 42) (<= 42 proc_a)), 27406#(and (<= proc_a 44) (<= 44 proc_a)), 27407#(and (<= proc_a 46) (<= 46 proc_a)), 27408#(and (<= 48 proc_a) (<= proc_a 48)), 27409#(and (<= 50 proc_a) (<= proc_a 50)), 27410#(and (<= 52 proc_a) (<= proc_a 52)), 27411#(and (<= 54 proc_a) (<= proc_a 54)), 27412#(and (<= proc_a 56) (<= 56 proc_a)), 27413#(and (<= proc_a 58) (<= 58 proc_a)), 27414#(and (<= 60 proc_a) (<= proc_a 60)), 27415#(and (<= 62 proc_a) (<= proc_a 62)), 27416#(and (<= 64 proc_a) (<= proc_a 64)), 27417#(and (<= 66 proc_a) (<= proc_a 66)), 27418#(and (<= 68 proc_a) (<= proc_a 68)), 27419#(and (<= proc_a 70) (<= 70 proc_a)), 27420#(and (<= 72 proc_a) (<= proc_a 72)), 27421#(and (<= proc_a 74) (<= 74 proc_a)), 27422#(and (<= proc_a 76) (<= 76 proc_a)), 27423#(and (<= 78 proc_a) (<= proc_a 78)), 27424#(and (<= proc_a 80) (<= 80 proc_a)), 27425#(and (<= 82 proc_a) (<= proc_a 82)), 27426#(and (<= proc_a 84) (<= 84 proc_a)), 27427#(and (<= 86 proc_a) (<= proc_a 86)), 27428#(and (<= 88 proc_a) (<= proc_a 88)), 27429#(and (<= proc_a 90) (<= 90 proc_a)), 27430#(and (<= 92 proc_a) (<= proc_a 92)), 27431#(and (<= proc_a 94) (<= 94 proc_a)), 27432#(and (<= proc_a 96) (<= 96 proc_a)), 27433#(and (<= 98 proc_a) (<= proc_a 98)), 27434#(and (<= proc_a 100) (<= 100 proc_a)), 27435#(and (<= 102 proc_a) (<= proc_a 102)), 27436#(and (<= proc_a 104) (<= 104 proc_a)), 27437#(and (<= 106 proc_a) (<= proc_a 106)), 27438#(and (<= proc_a 108) (<= 108 proc_a)), 27439#(and (<= proc_a 110) (<= 110 proc_a)), 27440#(and (<= proc_a 112) (<= 112 proc_a)), 27441#(and (<= 114 proc_a) (<= proc_a 114)), 27442#(and (<= 116 proc_a) (<= proc_a 116)), 27443#(and (<= proc_a 118) (<= 118 proc_a)), 27444#(and (<= 120 proc_a) (<= proc_a 120)), 27445#(and (<= proc_a 122) (<= 122 proc_a)), 27446#(and (<= proc_a 124) (<= 124 proc_a)), 27447#(and (<= proc_a 126) (<= 126 proc_a)), 27448#(and (<= 128 proc_a) (<= proc_a 128)), 27449#(and (<= proc_a 130) (<= 130 proc_a)), 27450#(and (<= 132 proc_a) (<= proc_a 132)), 27451#(and (<= proc_a 134) (<= 134 proc_a)), 27452#(and (<= proc_a 136) (<= 136 proc_a)), 27453#(and (<= proc_a 138) (<= 138 proc_a)), 27454#(and (<= proc_a 140) (<= 140 proc_a)), 27455#(and (<= 142 proc_a) (<= proc_a 142)), 27456#(and (<= 144 proc_a) (<= proc_a 144)), 27457#(and (<= proc_a 146) (<= 146 proc_a)), 27458#(and (<= 148 proc_a) (<= proc_a 148)), 27459#(and (<= proc_a 150) (<= 150 proc_a)), 27460#(and (<= proc_a 152) (<= 152 proc_a)), 27461#(and (<= 154 proc_a) (<= proc_a 154)), 27462#(and (<= 156 proc_a) (<= proc_a 156)), 27463#(and (<= proc_a 158) (<= 158 proc_a)), 27464#(and (<= 160 proc_a) (<= proc_a 160)), 27465#(and (<= proc_a 162) (<= 162 proc_a)), 27466#(and (<= 164 proc_a) (<= proc_a 164)), 27467#(and (<= 166 proc_a) (<= proc_a 166)), 27468#(and (<= 168 proc_a) (<= proc_a 168)), 27469#(and (<= 170 proc_a) (<= proc_a 170)), 27470#(and (<= 172 proc_a) (<= proc_a 172)), 27471#(and (<= proc_a 174) (<= 174 proc_a)), 27472#(and (<= 176 proc_a) (<= proc_a 176)), 27473#(and (<= 178 proc_a) (<= proc_a 178)), 27474#(and (<= proc_a 180) (<= 180 proc_a)), 27475#(and (<= proc_a 182) (<= 182 proc_a)), 27476#(and (<= 184 proc_a) (<= proc_a 184)), 27477#(and (<= 186 proc_a) (<= proc_a 186)), 27478#(and (<= 188 proc_a) (<= proc_a 188)), 27479#(and (<= 190 proc_a) (<= proc_a 190)), 27480#(and (<= proc_a 192) (<= 192 proc_a)), 27481#(and (<= 194 proc_a) (<= proc_a 194)), 27482#(and (<= proc_a 196) (<= 196 proc_a)), 27483#(and (<= 198 proc_a) (<= proc_a 198)), 27484#(and (<= proc_a 200) (<= 200 proc_a)), 27485#(and (<= proc_a 202) (<= 202 proc_a)), 27382#true, 27383#false, 27384#(and (<= proc_a 0) (<= 0 proc_a)), 27385#(and (<= 2 proc_a) (<= proc_a 2)), 27386#(and (<= 4 proc_a) (<= proc_a 4)), 27387#(and (<= 6 proc_a) (<= proc_a 6)), 27388#(and (<= proc_a 8) (<= 8 proc_a)), 27389#(and (<= 10 proc_a) (<= proc_a 10)), 27390#(and (<= proc_a 12) (<= 12 proc_a)), 27391#(and (<= 14 proc_a) (<= proc_a 14))] [2018-07-23 13:51:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:29,364 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:51:29,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:51:29,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:51:29,365 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand 104 states. [2018-07-23 13:51:29,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:29,930 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-07-23 13:51:29,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:51:29,930 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 103 [2018-07-23 13:51:29,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:29,931 INFO L225 Difference]: With dead ends: 106 [2018-07-23 13:51:29,931 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:51:29,932 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:51:29,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:51:29,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:51:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:51:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:51:29,937 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 103 [2018-07-23 13:51:29,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:29,938 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:51:29,938 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:51:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:51:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:51:29,938 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:29,939 INFO L357 BasicCegarLoop]: trace histogram [102, 1, 1] [2018-07-23 13:51:29,939 INFO L414 AbstractCegarLoop]: === Iteration 103 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:29,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1010833799, now seen corresponding path program 102 times [2018-07-23 13:51:29,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:30,401 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:30,401 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:51:30,401 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:30,401 INFO L185 omatonBuilderFactory]: Interpolants [27908#true, 27909#false, 27910#(and (<= proc_a 0) (<= 0 proc_a)), 27911#(and (<= 2 proc_a) (<= proc_a 2)), 27912#(and (<= 4 proc_a) (<= proc_a 4)), 27913#(and (<= 6 proc_a) (<= proc_a 6)), 27914#(and (<= proc_a 8) (<= 8 proc_a)), 27915#(and (<= 10 proc_a) (<= proc_a 10)), 27916#(and (<= proc_a 12) (<= 12 proc_a)), 27917#(and (<= 14 proc_a) (<= proc_a 14)), 27918#(and (<= proc_a 16) (<= 16 proc_a)), 27919#(and (<= 18 proc_a) (<= proc_a 18)), 27920#(and (<= 20 proc_a) (<= proc_a 20)), 27921#(and (<= 22 proc_a) (<= proc_a 22)), 27922#(and (<= 24 proc_a) (<= proc_a 24)), 27923#(and (<= 26 proc_a) (<= proc_a 26)), 27924#(and (<= proc_a 28) (<= 28 proc_a)), 27925#(and (<= proc_a 30) (<= 30 proc_a)), 27926#(and (<= 32 proc_a) (<= proc_a 32)), 27927#(and (<= 34 proc_a) (<= proc_a 34)), 27928#(and (<= 36 proc_a) (<= proc_a 36)), 27929#(and (<= 38 proc_a) (<= proc_a 38)), 27930#(and (<= 40 proc_a) (<= proc_a 40)), 27931#(and (<= proc_a 42) (<= 42 proc_a)), 27932#(and (<= proc_a 44) (<= 44 proc_a)), 27933#(and (<= proc_a 46) (<= 46 proc_a)), 27934#(and (<= 48 proc_a) (<= proc_a 48)), 27935#(and (<= 50 proc_a) (<= proc_a 50)), 27936#(and (<= 52 proc_a) (<= proc_a 52)), 27937#(and (<= 54 proc_a) (<= proc_a 54)), 27938#(and (<= proc_a 56) (<= 56 proc_a)), 27939#(and (<= proc_a 58) (<= 58 proc_a)), 27940#(and (<= 60 proc_a) (<= proc_a 60)), 27941#(and (<= 62 proc_a) (<= proc_a 62)), 27942#(and (<= 64 proc_a) (<= proc_a 64)), 27943#(and (<= 66 proc_a) (<= proc_a 66)), 27944#(and (<= 68 proc_a) (<= proc_a 68)), 27945#(and (<= proc_a 70) (<= 70 proc_a)), 27946#(and (<= 72 proc_a) (<= proc_a 72)), 27947#(and (<= proc_a 74) (<= 74 proc_a)), 27948#(and (<= proc_a 76) (<= 76 proc_a)), 27949#(and (<= 78 proc_a) (<= proc_a 78)), 27950#(and (<= proc_a 80) (<= 80 proc_a)), 27951#(and (<= 82 proc_a) (<= proc_a 82)), 27952#(and (<= proc_a 84) (<= 84 proc_a)), 27953#(and (<= 86 proc_a) (<= proc_a 86)), 27954#(and (<= 88 proc_a) (<= proc_a 88)), 27955#(and (<= proc_a 90) (<= 90 proc_a)), 27956#(and (<= 92 proc_a) (<= proc_a 92)), 27957#(and (<= proc_a 94) (<= 94 proc_a)), 27958#(and (<= proc_a 96) (<= 96 proc_a)), 27959#(and (<= 98 proc_a) (<= proc_a 98)), 27960#(and (<= proc_a 100) (<= 100 proc_a)), 27961#(and (<= 102 proc_a) (<= proc_a 102)), 27962#(and (<= proc_a 104) (<= 104 proc_a)), 27963#(and (<= 106 proc_a) (<= proc_a 106)), 27964#(and (<= proc_a 108) (<= 108 proc_a)), 27965#(and (<= proc_a 110) (<= 110 proc_a)), 27966#(and (<= proc_a 112) (<= 112 proc_a)), 27967#(and (<= 114 proc_a) (<= proc_a 114)), 27968#(and (<= 116 proc_a) (<= proc_a 116)), 27969#(and (<= proc_a 118) (<= 118 proc_a)), 27970#(and (<= 120 proc_a) (<= proc_a 120)), 27971#(and (<= proc_a 122) (<= 122 proc_a)), 27972#(and (<= proc_a 124) (<= 124 proc_a)), 27973#(and (<= proc_a 126) (<= 126 proc_a)), 27974#(and (<= 128 proc_a) (<= proc_a 128)), 27975#(and (<= proc_a 130) (<= 130 proc_a)), 27976#(and (<= 132 proc_a) (<= proc_a 132)), 27977#(and (<= proc_a 134) (<= 134 proc_a)), 27978#(and (<= proc_a 136) (<= 136 proc_a)), 27979#(and (<= proc_a 138) (<= 138 proc_a)), 27980#(and (<= proc_a 140) (<= 140 proc_a)), 27981#(and (<= 142 proc_a) (<= proc_a 142)), 27982#(and (<= 144 proc_a) (<= proc_a 144)), 27983#(and (<= proc_a 146) (<= 146 proc_a)), 27984#(and (<= 148 proc_a) (<= proc_a 148)), 27985#(and (<= proc_a 150) (<= 150 proc_a)), 27986#(and (<= proc_a 152) (<= 152 proc_a)), 27987#(and (<= 154 proc_a) (<= proc_a 154)), 27988#(and (<= 156 proc_a) (<= proc_a 156)), 27989#(and (<= proc_a 158) (<= 158 proc_a)), 27990#(and (<= 160 proc_a) (<= proc_a 160)), 27991#(and (<= proc_a 162) (<= 162 proc_a)), 27992#(and (<= 164 proc_a) (<= proc_a 164)), 27993#(and (<= 166 proc_a) (<= proc_a 166)), 27994#(and (<= 168 proc_a) (<= proc_a 168)), 27995#(and (<= 170 proc_a) (<= proc_a 170)), 27996#(and (<= 172 proc_a) (<= proc_a 172)), 27997#(and (<= proc_a 174) (<= 174 proc_a)), 27998#(and (<= 176 proc_a) (<= proc_a 176)), 27999#(and (<= 178 proc_a) (<= proc_a 178)), 28000#(and (<= proc_a 180) (<= 180 proc_a)), 28001#(and (<= proc_a 182) (<= 182 proc_a)), 28002#(and (<= 184 proc_a) (<= proc_a 184)), 28003#(and (<= 186 proc_a) (<= proc_a 186)), 28004#(and (<= 188 proc_a) (<= proc_a 188)), 28005#(and (<= 190 proc_a) (<= proc_a 190)), 28006#(and (<= proc_a 192) (<= 192 proc_a)), 28007#(and (<= 194 proc_a) (<= proc_a 194)), 28008#(and (<= proc_a 196) (<= 196 proc_a)), 28009#(and (<= 198 proc_a) (<= proc_a 198)), 28010#(and (<= proc_a 200) (<= 200 proc_a)), 28011#(and (<= proc_a 202) (<= 202 proc_a)), 28012#(and (<= 204 proc_a) (<= proc_a 204))] [2018-07-23 13:51:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:30,402 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:51:30,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:51:30,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:51:30,403 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 105 states. [2018-07-23 13:51:30,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:30,983 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:51:30,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:51:30,984 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 104 [2018-07-23 13:51:30,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:30,984 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:51:30,985 INFO L226 Difference]: Without dead ends: 106 [2018-07-23 13:51:30,986 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:51:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-07-23 13:51:30,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-07-23 13:51:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-07-23 13:51:30,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2018-07-23 13:51:30,991 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 104 [2018-07-23 13:51:30,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:30,991 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2018-07-23 13:51:30,991 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:51:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2018-07-23 13:51:30,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-23 13:51:30,992 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:30,992 INFO L357 BasicCegarLoop]: trace histogram [103, 1, 1] [2018-07-23 13:51:30,993 INFO L414 AbstractCegarLoop]: === Iteration 104 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:30,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1271076641, now seen corresponding path program 103 times [2018-07-23 13:51:30,993 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:31,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:31,485 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:31,485 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:51:31,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:31,486 INFO L185 omatonBuilderFactory]: Interpolants [28439#true, 28440#false, 28441#(and (<= proc_a 0) (<= 0 proc_a)), 28442#(and (<= 2 proc_a) (<= proc_a 2)), 28443#(and (<= 4 proc_a) (<= proc_a 4)), 28444#(and (<= 6 proc_a) (<= proc_a 6)), 28445#(and (<= proc_a 8) (<= 8 proc_a)), 28446#(and (<= 10 proc_a) (<= proc_a 10)), 28447#(and (<= proc_a 12) (<= 12 proc_a)), 28448#(and (<= 14 proc_a) (<= proc_a 14)), 28449#(and (<= proc_a 16) (<= 16 proc_a)), 28450#(and (<= 18 proc_a) (<= proc_a 18)), 28451#(and (<= 20 proc_a) (<= proc_a 20)), 28452#(and (<= 22 proc_a) (<= proc_a 22)), 28453#(and (<= 24 proc_a) (<= proc_a 24)), 28454#(and (<= 26 proc_a) (<= proc_a 26)), 28455#(and (<= proc_a 28) (<= 28 proc_a)), 28456#(and (<= proc_a 30) (<= 30 proc_a)), 28457#(and (<= 32 proc_a) (<= proc_a 32)), 28458#(and (<= 34 proc_a) (<= proc_a 34)), 28459#(and (<= 36 proc_a) (<= proc_a 36)), 28460#(and (<= 38 proc_a) (<= proc_a 38)), 28461#(and (<= 40 proc_a) (<= proc_a 40)), 28462#(and (<= proc_a 42) (<= 42 proc_a)), 28463#(and (<= proc_a 44) (<= 44 proc_a)), 28464#(and (<= proc_a 46) (<= 46 proc_a)), 28465#(and (<= 48 proc_a) (<= proc_a 48)), 28466#(and (<= 50 proc_a) (<= proc_a 50)), 28467#(and (<= 52 proc_a) (<= proc_a 52)), 28468#(and (<= 54 proc_a) (<= proc_a 54)), 28469#(and (<= proc_a 56) (<= 56 proc_a)), 28470#(and (<= proc_a 58) (<= 58 proc_a)), 28471#(and (<= 60 proc_a) (<= proc_a 60)), 28472#(and (<= 62 proc_a) (<= proc_a 62)), 28473#(and (<= 64 proc_a) (<= proc_a 64)), 28474#(and (<= 66 proc_a) (<= proc_a 66)), 28475#(and (<= 68 proc_a) (<= proc_a 68)), 28476#(and (<= proc_a 70) (<= 70 proc_a)), 28477#(and (<= 72 proc_a) (<= proc_a 72)), 28478#(and (<= proc_a 74) (<= 74 proc_a)), 28479#(and (<= proc_a 76) (<= 76 proc_a)), 28480#(and (<= 78 proc_a) (<= proc_a 78)), 28481#(and (<= proc_a 80) (<= 80 proc_a)), 28482#(and (<= 82 proc_a) (<= proc_a 82)), 28483#(and (<= proc_a 84) (<= 84 proc_a)), 28484#(and (<= 86 proc_a) (<= proc_a 86)), 28485#(and (<= 88 proc_a) (<= proc_a 88)), 28486#(and (<= proc_a 90) (<= 90 proc_a)), 28487#(and (<= 92 proc_a) (<= proc_a 92)), 28488#(and (<= proc_a 94) (<= 94 proc_a)), 28489#(and (<= proc_a 96) (<= 96 proc_a)), 28490#(and (<= 98 proc_a) (<= proc_a 98)), 28491#(and (<= proc_a 100) (<= 100 proc_a)), 28492#(and (<= 102 proc_a) (<= proc_a 102)), 28493#(and (<= proc_a 104) (<= 104 proc_a)), 28494#(and (<= 106 proc_a) (<= proc_a 106)), 28495#(and (<= proc_a 108) (<= 108 proc_a)), 28496#(and (<= proc_a 110) (<= 110 proc_a)), 28497#(and (<= proc_a 112) (<= 112 proc_a)), 28498#(and (<= 114 proc_a) (<= proc_a 114)), 28499#(and (<= 116 proc_a) (<= proc_a 116)), 28500#(and (<= proc_a 118) (<= 118 proc_a)), 28501#(and (<= 120 proc_a) (<= proc_a 120)), 28502#(and (<= proc_a 122) (<= 122 proc_a)), 28503#(and (<= proc_a 124) (<= 124 proc_a)), 28504#(and (<= proc_a 126) (<= 126 proc_a)), 28505#(and (<= 128 proc_a) (<= proc_a 128)), 28506#(and (<= proc_a 130) (<= 130 proc_a)), 28507#(and (<= 132 proc_a) (<= proc_a 132)), 28508#(and (<= proc_a 134) (<= 134 proc_a)), 28509#(and (<= proc_a 136) (<= 136 proc_a)), 28510#(and (<= proc_a 138) (<= 138 proc_a)), 28511#(and (<= proc_a 140) (<= 140 proc_a)), 28512#(and (<= 142 proc_a) (<= proc_a 142)), 28513#(and (<= 144 proc_a) (<= proc_a 144)), 28514#(and (<= proc_a 146) (<= 146 proc_a)), 28515#(and (<= 148 proc_a) (<= proc_a 148)), 28516#(and (<= proc_a 150) (<= 150 proc_a)), 28517#(and (<= proc_a 152) (<= 152 proc_a)), 28518#(and (<= 154 proc_a) (<= proc_a 154)), 28519#(and (<= 156 proc_a) (<= proc_a 156)), 28520#(and (<= proc_a 158) (<= 158 proc_a)), 28521#(and (<= 160 proc_a) (<= proc_a 160)), 28522#(and (<= proc_a 162) (<= 162 proc_a)), 28523#(and (<= 164 proc_a) (<= proc_a 164)), 28524#(and (<= 166 proc_a) (<= proc_a 166)), 28525#(and (<= 168 proc_a) (<= proc_a 168)), 28526#(and (<= 170 proc_a) (<= proc_a 170)), 28527#(and (<= 172 proc_a) (<= proc_a 172)), 28528#(and (<= proc_a 174) (<= 174 proc_a)), 28529#(and (<= 176 proc_a) (<= proc_a 176)), 28530#(and (<= 178 proc_a) (<= proc_a 178)), 28531#(and (<= proc_a 180) (<= 180 proc_a)), 28532#(and (<= proc_a 182) (<= 182 proc_a)), 28533#(and (<= 184 proc_a) (<= proc_a 184)), 28534#(and (<= 186 proc_a) (<= proc_a 186)), 28535#(and (<= 188 proc_a) (<= proc_a 188)), 28536#(and (<= 190 proc_a) (<= proc_a 190)), 28537#(and (<= proc_a 192) (<= 192 proc_a)), 28538#(and (<= 194 proc_a) (<= proc_a 194)), 28539#(and (<= proc_a 196) (<= 196 proc_a)), 28540#(and (<= 198 proc_a) (<= proc_a 198)), 28541#(and (<= proc_a 200) (<= 200 proc_a)), 28542#(and (<= proc_a 202) (<= 202 proc_a)), 28543#(and (<= 204 proc_a) (<= proc_a 204)), 28544#(and (<= 206 proc_a) (<= proc_a 206))] [2018-07-23 13:51:31,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:31,486 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:51:31,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:51:31,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:51:31,487 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 106 states. [2018-07-23 13:51:32,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:32,081 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-07-23 13:51:32,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:51:32,082 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 105 [2018-07-23 13:51:32,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:32,082 INFO L225 Difference]: With dead ends: 108 [2018-07-23 13:51:32,082 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:51:32,083 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:51:32,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:51:32,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:51:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:51:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:51:32,087 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 105 [2018-07-23 13:51:32,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:32,087 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:51:32,087 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:51:32,087 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:51:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:51:32,088 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:32,088 INFO L357 BasicCegarLoop]: trace histogram [104, 1, 1] [2018-07-23 13:51:32,088 INFO L414 AbstractCegarLoop]: === Iteration 105 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:32,088 INFO L82 PathProgramCache]: Analyzing trace with hash 748670151, now seen corresponding path program 104 times [2018-07-23 13:51:32,089 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:32,627 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:32,627 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:51:32,628 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:32,628 INFO L185 omatonBuilderFactory]: Interpolants [28975#true, 28976#false, 28977#(and (<= proc_a 0) (<= 0 proc_a)), 28978#(and (<= 2 proc_a) (<= proc_a 2)), 28979#(and (<= 4 proc_a) (<= proc_a 4)), 28980#(and (<= 6 proc_a) (<= proc_a 6)), 28981#(and (<= proc_a 8) (<= 8 proc_a)), 28982#(and (<= 10 proc_a) (<= proc_a 10)), 28983#(and (<= proc_a 12) (<= 12 proc_a)), 28984#(and (<= 14 proc_a) (<= proc_a 14)), 28985#(and (<= proc_a 16) (<= 16 proc_a)), 28986#(and (<= 18 proc_a) (<= proc_a 18)), 28987#(and (<= 20 proc_a) (<= proc_a 20)), 28988#(and (<= 22 proc_a) (<= proc_a 22)), 28989#(and (<= 24 proc_a) (<= proc_a 24)), 28990#(and (<= 26 proc_a) (<= proc_a 26)), 28991#(and (<= proc_a 28) (<= 28 proc_a)), 28992#(and (<= proc_a 30) (<= 30 proc_a)), 28993#(and (<= 32 proc_a) (<= proc_a 32)), 28994#(and (<= 34 proc_a) (<= proc_a 34)), 28995#(and (<= 36 proc_a) (<= proc_a 36)), 28996#(and (<= 38 proc_a) (<= proc_a 38)), 28997#(and (<= 40 proc_a) (<= proc_a 40)), 28998#(and (<= proc_a 42) (<= 42 proc_a)), 28999#(and (<= proc_a 44) (<= 44 proc_a)), 29000#(and (<= proc_a 46) (<= 46 proc_a)), 29001#(and (<= 48 proc_a) (<= proc_a 48)), 29002#(and (<= 50 proc_a) (<= proc_a 50)), 29003#(and (<= 52 proc_a) (<= proc_a 52)), 29004#(and (<= 54 proc_a) (<= proc_a 54)), 29005#(and (<= proc_a 56) (<= 56 proc_a)), 29006#(and (<= proc_a 58) (<= 58 proc_a)), 29007#(and (<= 60 proc_a) (<= proc_a 60)), 29008#(and (<= 62 proc_a) (<= proc_a 62)), 29009#(and (<= 64 proc_a) (<= proc_a 64)), 29010#(and (<= 66 proc_a) (<= proc_a 66)), 29011#(and (<= 68 proc_a) (<= proc_a 68)), 29012#(and (<= proc_a 70) (<= 70 proc_a)), 29013#(and (<= 72 proc_a) (<= proc_a 72)), 29014#(and (<= proc_a 74) (<= 74 proc_a)), 29015#(and (<= proc_a 76) (<= 76 proc_a)), 29016#(and (<= 78 proc_a) (<= proc_a 78)), 29017#(and (<= proc_a 80) (<= 80 proc_a)), 29018#(and (<= 82 proc_a) (<= proc_a 82)), 29019#(and (<= proc_a 84) (<= 84 proc_a)), 29020#(and (<= 86 proc_a) (<= proc_a 86)), 29021#(and (<= 88 proc_a) (<= proc_a 88)), 29022#(and (<= proc_a 90) (<= 90 proc_a)), 29023#(and (<= 92 proc_a) (<= proc_a 92)), 29024#(and (<= proc_a 94) (<= 94 proc_a)), 29025#(and (<= proc_a 96) (<= 96 proc_a)), 29026#(and (<= 98 proc_a) (<= proc_a 98)), 29027#(and (<= proc_a 100) (<= 100 proc_a)), 29028#(and (<= 102 proc_a) (<= proc_a 102)), 29029#(and (<= proc_a 104) (<= 104 proc_a)), 29030#(and (<= 106 proc_a) (<= proc_a 106)), 29031#(and (<= proc_a 108) (<= 108 proc_a)), 29032#(and (<= proc_a 110) (<= 110 proc_a)), 29033#(and (<= proc_a 112) (<= 112 proc_a)), 29034#(and (<= 114 proc_a) (<= proc_a 114)), 29035#(and (<= 116 proc_a) (<= proc_a 116)), 29036#(and (<= proc_a 118) (<= 118 proc_a)), 29037#(and (<= 120 proc_a) (<= proc_a 120)), 29038#(and (<= proc_a 122) (<= 122 proc_a)), 29039#(and (<= proc_a 124) (<= 124 proc_a)), 29040#(and (<= proc_a 126) (<= 126 proc_a)), 29041#(and (<= 128 proc_a) (<= proc_a 128)), 29042#(and (<= proc_a 130) (<= 130 proc_a)), 29043#(and (<= 132 proc_a) (<= proc_a 132)), 29044#(and (<= proc_a 134) (<= 134 proc_a)), 29045#(and (<= proc_a 136) (<= 136 proc_a)), 29046#(and (<= proc_a 138) (<= 138 proc_a)), 29047#(and (<= proc_a 140) (<= 140 proc_a)), 29048#(and (<= 142 proc_a) (<= proc_a 142)), 29049#(and (<= 144 proc_a) (<= proc_a 144)), 29050#(and (<= proc_a 146) (<= 146 proc_a)), 29051#(and (<= 148 proc_a) (<= proc_a 148)), 29052#(and (<= proc_a 150) (<= 150 proc_a)), 29053#(and (<= proc_a 152) (<= 152 proc_a)), 29054#(and (<= 154 proc_a) (<= proc_a 154)), 29055#(and (<= 156 proc_a) (<= proc_a 156)), 29056#(and (<= proc_a 158) (<= 158 proc_a)), 29057#(and (<= 160 proc_a) (<= proc_a 160)), 29058#(and (<= proc_a 162) (<= 162 proc_a)), 29059#(and (<= 164 proc_a) (<= proc_a 164)), 29060#(and (<= 166 proc_a) (<= proc_a 166)), 29061#(and (<= 168 proc_a) (<= proc_a 168)), 29062#(and (<= 170 proc_a) (<= proc_a 170)), 29063#(and (<= 172 proc_a) (<= proc_a 172)), 29064#(and (<= proc_a 174) (<= 174 proc_a)), 29065#(and (<= 176 proc_a) (<= proc_a 176)), 29066#(and (<= 178 proc_a) (<= proc_a 178)), 29067#(and (<= proc_a 180) (<= 180 proc_a)), 29068#(and (<= proc_a 182) (<= 182 proc_a)), 29069#(and (<= 184 proc_a) (<= proc_a 184)), 29070#(and (<= 186 proc_a) (<= proc_a 186)), 29071#(and (<= 188 proc_a) (<= proc_a 188)), 29072#(and (<= 190 proc_a) (<= proc_a 190)), 29073#(and (<= proc_a 192) (<= 192 proc_a)), 29074#(and (<= 194 proc_a) (<= proc_a 194)), 29075#(and (<= proc_a 196) (<= 196 proc_a)), 29076#(and (<= 198 proc_a) (<= proc_a 198)), 29077#(and (<= proc_a 200) (<= 200 proc_a)), 29078#(and (<= proc_a 202) (<= 202 proc_a)), 29079#(and (<= 204 proc_a) (<= proc_a 204)), 29080#(and (<= 206 proc_a) (<= proc_a 206)), 29081#(and (<= 208 proc_a) (<= proc_a 208))] [2018-07-23 13:51:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:32,629 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:51:32,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:51:32,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:51:32,629 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 107 states. [2018-07-23 13:51:33,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:33,194 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:51:33,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:51:33,195 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 106 [2018-07-23 13:51:33,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:33,195 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:51:33,195 INFO L226 Difference]: Without dead ends: 108 [2018-07-23 13:51:33,196 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:51:33,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-07-23 13:51:33,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-07-23 13:51:33,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-23 13:51:33,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-07-23 13:51:33,202 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 106 [2018-07-23 13:51:33,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:33,202 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-07-23 13:51:33,202 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:51:33,202 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-07-23 13:51:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-23 13:51:33,203 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:33,203 INFO L357 BasicCegarLoop]: trace histogram [105, 1, 1] [2018-07-23 13:51:33,203 INFO L414 AbstractCegarLoop]: === Iteration 106 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:33,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1733938145, now seen corresponding path program 105 times [2018-07-23 13:51:33,203 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:33,713 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:33,713 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:51:33,713 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:33,713 INFO L185 omatonBuilderFactory]: Interpolants [29516#true, 29517#false, 29518#(and (<= proc_a 0) (<= 0 proc_a)), 29519#(and (<= 2 proc_a) (<= proc_a 2)), 29520#(and (<= 4 proc_a) (<= proc_a 4)), 29521#(and (<= 6 proc_a) (<= proc_a 6)), 29522#(and (<= proc_a 8) (<= 8 proc_a)), 29523#(and (<= 10 proc_a) (<= proc_a 10)), 29524#(and (<= proc_a 12) (<= 12 proc_a)), 29525#(and (<= 14 proc_a) (<= proc_a 14)), 29526#(and (<= proc_a 16) (<= 16 proc_a)), 29527#(and (<= 18 proc_a) (<= proc_a 18)), 29528#(and (<= 20 proc_a) (<= proc_a 20)), 29529#(and (<= 22 proc_a) (<= proc_a 22)), 29530#(and (<= 24 proc_a) (<= proc_a 24)), 29531#(and (<= 26 proc_a) (<= proc_a 26)), 29532#(and (<= proc_a 28) (<= 28 proc_a)), 29533#(and (<= proc_a 30) (<= 30 proc_a)), 29534#(and (<= 32 proc_a) (<= proc_a 32)), 29535#(and (<= 34 proc_a) (<= proc_a 34)), 29536#(and (<= 36 proc_a) (<= proc_a 36)), 29537#(and (<= 38 proc_a) (<= proc_a 38)), 29538#(and (<= 40 proc_a) (<= proc_a 40)), 29539#(and (<= proc_a 42) (<= 42 proc_a)), 29540#(and (<= proc_a 44) (<= 44 proc_a)), 29541#(and (<= proc_a 46) (<= 46 proc_a)), 29542#(and (<= 48 proc_a) (<= proc_a 48)), 29543#(and (<= 50 proc_a) (<= proc_a 50)), 29544#(and (<= 52 proc_a) (<= proc_a 52)), 29545#(and (<= 54 proc_a) (<= proc_a 54)), 29546#(and (<= proc_a 56) (<= 56 proc_a)), 29547#(and (<= proc_a 58) (<= 58 proc_a)), 29548#(and (<= 60 proc_a) (<= proc_a 60)), 29549#(and (<= 62 proc_a) (<= proc_a 62)), 29550#(and (<= 64 proc_a) (<= proc_a 64)), 29551#(and (<= 66 proc_a) (<= proc_a 66)), 29552#(and (<= 68 proc_a) (<= proc_a 68)), 29553#(and (<= proc_a 70) (<= 70 proc_a)), 29554#(and (<= 72 proc_a) (<= proc_a 72)), 29555#(and (<= proc_a 74) (<= 74 proc_a)), 29556#(and (<= proc_a 76) (<= 76 proc_a)), 29557#(and (<= 78 proc_a) (<= proc_a 78)), 29558#(and (<= proc_a 80) (<= 80 proc_a)), 29559#(and (<= 82 proc_a) (<= proc_a 82)), 29560#(and (<= proc_a 84) (<= 84 proc_a)), 29561#(and (<= 86 proc_a) (<= proc_a 86)), 29562#(and (<= 88 proc_a) (<= proc_a 88)), 29563#(and (<= proc_a 90) (<= 90 proc_a)), 29564#(and (<= 92 proc_a) (<= proc_a 92)), 29565#(and (<= proc_a 94) (<= 94 proc_a)), 29566#(and (<= proc_a 96) (<= 96 proc_a)), 29567#(and (<= 98 proc_a) (<= proc_a 98)), 29568#(and (<= proc_a 100) (<= 100 proc_a)), 29569#(and (<= 102 proc_a) (<= proc_a 102)), 29570#(and (<= proc_a 104) (<= 104 proc_a)), 29571#(and (<= 106 proc_a) (<= proc_a 106)), 29572#(and (<= proc_a 108) (<= 108 proc_a)), 29573#(and (<= proc_a 110) (<= 110 proc_a)), 29574#(and (<= proc_a 112) (<= 112 proc_a)), 29575#(and (<= 114 proc_a) (<= proc_a 114)), 29576#(and (<= 116 proc_a) (<= proc_a 116)), 29577#(and (<= proc_a 118) (<= 118 proc_a)), 29578#(and (<= 120 proc_a) (<= proc_a 120)), 29579#(and (<= proc_a 122) (<= 122 proc_a)), 29580#(and (<= proc_a 124) (<= 124 proc_a)), 29581#(and (<= proc_a 126) (<= 126 proc_a)), 29582#(and (<= 128 proc_a) (<= proc_a 128)), 29583#(and (<= proc_a 130) (<= 130 proc_a)), 29584#(and (<= 132 proc_a) (<= proc_a 132)), 29585#(and (<= proc_a 134) (<= 134 proc_a)), 29586#(and (<= proc_a 136) (<= 136 proc_a)), 29587#(and (<= proc_a 138) (<= 138 proc_a)), 29588#(and (<= proc_a 140) (<= 140 proc_a)), 29589#(and (<= 142 proc_a) (<= proc_a 142)), 29590#(and (<= 144 proc_a) (<= proc_a 144)), 29591#(and (<= proc_a 146) (<= 146 proc_a)), 29592#(and (<= 148 proc_a) (<= proc_a 148)), 29593#(and (<= proc_a 150) (<= 150 proc_a)), 29594#(and (<= proc_a 152) (<= 152 proc_a)), 29595#(and (<= 154 proc_a) (<= proc_a 154)), 29596#(and (<= 156 proc_a) (<= proc_a 156)), 29597#(and (<= proc_a 158) (<= 158 proc_a)), 29598#(and (<= 160 proc_a) (<= proc_a 160)), 29599#(and (<= proc_a 162) (<= 162 proc_a)), 29600#(and (<= 164 proc_a) (<= proc_a 164)), 29601#(and (<= 166 proc_a) (<= proc_a 166)), 29602#(and (<= 168 proc_a) (<= proc_a 168)), 29603#(and (<= 170 proc_a) (<= proc_a 170)), 29604#(and (<= 172 proc_a) (<= proc_a 172)), 29605#(and (<= proc_a 174) (<= 174 proc_a)), 29606#(and (<= 176 proc_a) (<= proc_a 176)), 29607#(and (<= 178 proc_a) (<= proc_a 178)), 29608#(and (<= proc_a 180) (<= 180 proc_a)), 29609#(and (<= proc_a 182) (<= 182 proc_a)), 29610#(and (<= 184 proc_a) (<= proc_a 184)), 29611#(and (<= 186 proc_a) (<= proc_a 186)), 29612#(and (<= 188 proc_a) (<= proc_a 188)), 29613#(and (<= 190 proc_a) (<= proc_a 190)), 29614#(and (<= proc_a 192) (<= 192 proc_a)), 29615#(and (<= 194 proc_a) (<= proc_a 194)), 29616#(and (<= proc_a 196) (<= 196 proc_a)), 29617#(and (<= 198 proc_a) (<= proc_a 198)), 29618#(and (<= proc_a 200) (<= 200 proc_a)), 29619#(and (<= proc_a 202) (<= 202 proc_a)), 29620#(and (<= 204 proc_a) (<= proc_a 204)), 29621#(and (<= 206 proc_a) (<= proc_a 206)), 29622#(and (<= 208 proc_a) (<= proc_a 208)), 29623#(and (<= proc_a 210) (<= 210 proc_a))] [2018-07-23 13:51:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:33,714 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:51:33,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:51:33,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:51:33,715 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 108 states. [2018-07-23 13:51:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:34,314 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-07-23 13:51:34,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:51:34,315 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 107 [2018-07-23 13:51:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:34,315 INFO L225 Difference]: With dead ends: 110 [2018-07-23 13:51:34,315 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:51:34,316 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:51:34,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:51:34,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:51:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:51:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:51:34,320 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 107 [2018-07-23 13:51:34,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:34,320 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:51:34,320 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:51:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:51:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:51:34,321 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:34,321 INFO L357 BasicCegarLoop]: trace histogram [106, 1, 1] [2018-07-23 13:51:34,321 INFO L414 AbstractCegarLoop]: === Iteration 107 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:34,321 INFO L82 PathProgramCache]: Analyzing trace with hash -2082492409, now seen corresponding path program 106 times [2018-07-23 13:51:34,321 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:34,809 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:34,809 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:51:34,809 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:34,809 INFO L185 omatonBuilderFactory]: Interpolants [30062#true, 30063#false, 30064#(and (<= proc_a 0) (<= 0 proc_a)), 30065#(and (<= 2 proc_a) (<= proc_a 2)), 30066#(and (<= 4 proc_a) (<= proc_a 4)), 30067#(and (<= 6 proc_a) (<= proc_a 6)), 30068#(and (<= proc_a 8) (<= 8 proc_a)), 30069#(and (<= 10 proc_a) (<= proc_a 10)), 30070#(and (<= proc_a 12) (<= 12 proc_a)), 30071#(and (<= 14 proc_a) (<= proc_a 14)), 30072#(and (<= proc_a 16) (<= 16 proc_a)), 30073#(and (<= 18 proc_a) (<= proc_a 18)), 30074#(and (<= 20 proc_a) (<= proc_a 20)), 30075#(and (<= 22 proc_a) (<= proc_a 22)), 30076#(and (<= 24 proc_a) (<= proc_a 24)), 30077#(and (<= 26 proc_a) (<= proc_a 26)), 30078#(and (<= proc_a 28) (<= 28 proc_a)), 30079#(and (<= proc_a 30) (<= 30 proc_a)), 30080#(and (<= 32 proc_a) (<= proc_a 32)), 30081#(and (<= 34 proc_a) (<= proc_a 34)), 30082#(and (<= 36 proc_a) (<= proc_a 36)), 30083#(and (<= 38 proc_a) (<= proc_a 38)), 30084#(and (<= 40 proc_a) (<= proc_a 40)), 30085#(and (<= proc_a 42) (<= 42 proc_a)), 30086#(and (<= proc_a 44) (<= 44 proc_a)), 30087#(and (<= proc_a 46) (<= 46 proc_a)), 30088#(and (<= 48 proc_a) (<= proc_a 48)), 30089#(and (<= 50 proc_a) (<= proc_a 50)), 30090#(and (<= 52 proc_a) (<= proc_a 52)), 30091#(and (<= 54 proc_a) (<= proc_a 54)), 30092#(and (<= proc_a 56) (<= 56 proc_a)), 30093#(and (<= proc_a 58) (<= 58 proc_a)), 30094#(and (<= 60 proc_a) (<= proc_a 60)), 30095#(and (<= 62 proc_a) (<= proc_a 62)), 30096#(and (<= 64 proc_a) (<= proc_a 64)), 30097#(and (<= 66 proc_a) (<= proc_a 66)), 30098#(and (<= 68 proc_a) (<= proc_a 68)), 30099#(and (<= proc_a 70) (<= 70 proc_a)), 30100#(and (<= 72 proc_a) (<= proc_a 72)), 30101#(and (<= proc_a 74) (<= 74 proc_a)), 30102#(and (<= proc_a 76) (<= 76 proc_a)), 30103#(and (<= 78 proc_a) (<= proc_a 78)), 30104#(and (<= proc_a 80) (<= 80 proc_a)), 30105#(and (<= 82 proc_a) (<= proc_a 82)), 30106#(and (<= proc_a 84) (<= 84 proc_a)), 30107#(and (<= 86 proc_a) (<= proc_a 86)), 30108#(and (<= 88 proc_a) (<= proc_a 88)), 30109#(and (<= proc_a 90) (<= 90 proc_a)), 30110#(and (<= 92 proc_a) (<= proc_a 92)), 30111#(and (<= proc_a 94) (<= 94 proc_a)), 30112#(and (<= proc_a 96) (<= 96 proc_a)), 30113#(and (<= 98 proc_a) (<= proc_a 98)), 30114#(and (<= proc_a 100) (<= 100 proc_a)), 30115#(and (<= 102 proc_a) (<= proc_a 102)), 30116#(and (<= proc_a 104) (<= 104 proc_a)), 30117#(and (<= 106 proc_a) (<= proc_a 106)), 30118#(and (<= proc_a 108) (<= 108 proc_a)), 30119#(and (<= proc_a 110) (<= 110 proc_a)), 30120#(and (<= proc_a 112) (<= 112 proc_a)), 30121#(and (<= 114 proc_a) (<= proc_a 114)), 30122#(and (<= 116 proc_a) (<= proc_a 116)), 30123#(and (<= proc_a 118) (<= 118 proc_a)), 30124#(and (<= 120 proc_a) (<= proc_a 120)), 30125#(and (<= proc_a 122) (<= 122 proc_a)), 30126#(and (<= proc_a 124) (<= 124 proc_a)), 30127#(and (<= proc_a 126) (<= 126 proc_a)), 30128#(and (<= 128 proc_a) (<= proc_a 128)), 30129#(and (<= proc_a 130) (<= 130 proc_a)), 30130#(and (<= 132 proc_a) (<= proc_a 132)), 30131#(and (<= proc_a 134) (<= 134 proc_a)), 30132#(and (<= proc_a 136) (<= 136 proc_a)), 30133#(and (<= proc_a 138) (<= 138 proc_a)), 30134#(and (<= proc_a 140) (<= 140 proc_a)), 30135#(and (<= 142 proc_a) (<= proc_a 142)), 30136#(and (<= 144 proc_a) (<= proc_a 144)), 30137#(and (<= proc_a 146) (<= 146 proc_a)), 30138#(and (<= 148 proc_a) (<= proc_a 148)), 30139#(and (<= proc_a 150) (<= 150 proc_a)), 30140#(and (<= proc_a 152) (<= 152 proc_a)), 30141#(and (<= 154 proc_a) (<= proc_a 154)), 30142#(and (<= 156 proc_a) (<= proc_a 156)), 30143#(and (<= proc_a 158) (<= 158 proc_a)), 30144#(and (<= 160 proc_a) (<= proc_a 160)), 30145#(and (<= proc_a 162) (<= 162 proc_a)), 30146#(and (<= 164 proc_a) (<= proc_a 164)), 30147#(and (<= 166 proc_a) (<= proc_a 166)), 30148#(and (<= 168 proc_a) (<= proc_a 168)), 30149#(and (<= 170 proc_a) (<= proc_a 170)), 30150#(and (<= 172 proc_a) (<= proc_a 172)), 30151#(and (<= proc_a 174) (<= 174 proc_a)), 30152#(and (<= 176 proc_a) (<= proc_a 176)), 30153#(and (<= 178 proc_a) (<= proc_a 178)), 30154#(and (<= proc_a 180) (<= 180 proc_a)), 30155#(and (<= proc_a 182) (<= 182 proc_a)), 30156#(and (<= 184 proc_a) (<= proc_a 184)), 30157#(and (<= 186 proc_a) (<= proc_a 186)), 30158#(and (<= 188 proc_a) (<= proc_a 188)), 30159#(and (<= 190 proc_a) (<= proc_a 190)), 30160#(and (<= proc_a 192) (<= 192 proc_a)), 30161#(and (<= 194 proc_a) (<= proc_a 194)), 30162#(and (<= proc_a 196) (<= 196 proc_a)), 30163#(and (<= 198 proc_a) (<= proc_a 198)), 30164#(and (<= proc_a 200) (<= 200 proc_a)), 30165#(and (<= proc_a 202) (<= 202 proc_a)), 30166#(and (<= 204 proc_a) (<= proc_a 204)), 30167#(and (<= 206 proc_a) (<= proc_a 206)), 30168#(and (<= 208 proc_a) (<= proc_a 208)), 30169#(and (<= proc_a 210) (<= 210 proc_a)), 30170#(and (<= proc_a 212) (<= 212 proc_a))] [2018-07-23 13:51:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:34,810 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:51:34,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:51:34,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:51:34,811 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 109 states. [2018-07-23 13:51:35,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:35,435 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:51:35,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:51:35,435 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 108 [2018-07-23 13:51:35,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:35,435 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:51:35,436 INFO L226 Difference]: Without dead ends: 110 [2018-07-23 13:51:35,436 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:51:35,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-07-23 13:51:35,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-07-23 13:51:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-23 13:51:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2018-07-23 13:51:35,442 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 108 [2018-07-23 13:51:35,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:35,442 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2018-07-23 13:51:35,442 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:51:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2018-07-23 13:51:35,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 13:51:35,443 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:35,443 INFO L357 BasicCegarLoop]: trace histogram [107, 1, 1] [2018-07-23 13:51:35,443 INFO L414 AbstractCegarLoop]: === Iteration 108 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:35,444 INFO L82 PathProgramCache]: Analyzing trace with hash -132755295, now seen corresponding path program 107 times [2018-07-23 13:51:35,444 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:35,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:35,994 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:35,994 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:51:35,994 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:35,994 INFO L185 omatonBuilderFactory]: Interpolants [30720#(and (<= proc_a 210) (<= 210 proc_a)), 30721#(and (<= proc_a 212) (<= 212 proc_a)), 30722#(and (<= 214 proc_a) (<= proc_a 214)), 30613#true, 30614#false, 30615#(and (<= proc_a 0) (<= 0 proc_a)), 30616#(and (<= 2 proc_a) (<= proc_a 2)), 30617#(and (<= 4 proc_a) (<= proc_a 4)), 30618#(and (<= 6 proc_a) (<= proc_a 6)), 30619#(and (<= proc_a 8) (<= 8 proc_a)), 30620#(and (<= 10 proc_a) (<= proc_a 10)), 30621#(and (<= proc_a 12) (<= 12 proc_a)), 30622#(and (<= 14 proc_a) (<= proc_a 14)), 30623#(and (<= proc_a 16) (<= 16 proc_a)), 30624#(and (<= 18 proc_a) (<= proc_a 18)), 30625#(and (<= 20 proc_a) (<= proc_a 20)), 30626#(and (<= 22 proc_a) (<= proc_a 22)), 30627#(and (<= 24 proc_a) (<= proc_a 24)), 30628#(and (<= 26 proc_a) (<= proc_a 26)), 30629#(and (<= proc_a 28) (<= 28 proc_a)), 30630#(and (<= proc_a 30) (<= 30 proc_a)), 30631#(and (<= 32 proc_a) (<= proc_a 32)), 30632#(and (<= 34 proc_a) (<= proc_a 34)), 30633#(and (<= 36 proc_a) (<= proc_a 36)), 30634#(and (<= 38 proc_a) (<= proc_a 38)), 30635#(and (<= 40 proc_a) (<= proc_a 40)), 30636#(and (<= proc_a 42) (<= 42 proc_a)), 30637#(and (<= proc_a 44) (<= 44 proc_a)), 30638#(and (<= proc_a 46) (<= 46 proc_a)), 30639#(and (<= 48 proc_a) (<= proc_a 48)), 30640#(and (<= 50 proc_a) (<= proc_a 50)), 30641#(and (<= 52 proc_a) (<= proc_a 52)), 30642#(and (<= 54 proc_a) (<= proc_a 54)), 30643#(and (<= proc_a 56) (<= 56 proc_a)), 30644#(and (<= proc_a 58) (<= 58 proc_a)), 30645#(and (<= 60 proc_a) (<= proc_a 60)), 30646#(and (<= 62 proc_a) (<= proc_a 62)), 30647#(and (<= 64 proc_a) (<= proc_a 64)), 30648#(and (<= 66 proc_a) (<= proc_a 66)), 30649#(and (<= 68 proc_a) (<= proc_a 68)), 30650#(and (<= proc_a 70) (<= 70 proc_a)), 30651#(and (<= 72 proc_a) (<= proc_a 72)), 30652#(and (<= proc_a 74) (<= 74 proc_a)), 30653#(and (<= proc_a 76) (<= 76 proc_a)), 30654#(and (<= 78 proc_a) (<= proc_a 78)), 30655#(and (<= proc_a 80) (<= 80 proc_a)), 30656#(and (<= 82 proc_a) (<= proc_a 82)), 30657#(and (<= proc_a 84) (<= 84 proc_a)), 30658#(and (<= 86 proc_a) (<= proc_a 86)), 30659#(and (<= 88 proc_a) (<= proc_a 88)), 30660#(and (<= proc_a 90) (<= 90 proc_a)), 30661#(and (<= 92 proc_a) (<= proc_a 92)), 30662#(and (<= proc_a 94) (<= 94 proc_a)), 30663#(and (<= proc_a 96) (<= 96 proc_a)), 30664#(and (<= 98 proc_a) (<= proc_a 98)), 30665#(and (<= proc_a 100) (<= 100 proc_a)), 30666#(and (<= 102 proc_a) (<= proc_a 102)), 30667#(and (<= proc_a 104) (<= 104 proc_a)), 30668#(and (<= 106 proc_a) (<= proc_a 106)), 30669#(and (<= proc_a 108) (<= 108 proc_a)), 30670#(and (<= proc_a 110) (<= 110 proc_a)), 30671#(and (<= proc_a 112) (<= 112 proc_a)), 30672#(and (<= 114 proc_a) (<= proc_a 114)), 30673#(and (<= 116 proc_a) (<= proc_a 116)), 30674#(and (<= proc_a 118) (<= 118 proc_a)), 30675#(and (<= 120 proc_a) (<= proc_a 120)), 30676#(and (<= proc_a 122) (<= 122 proc_a)), 30677#(and (<= proc_a 124) (<= 124 proc_a)), 30678#(and (<= proc_a 126) (<= 126 proc_a)), 30679#(and (<= 128 proc_a) (<= proc_a 128)), 30680#(and (<= proc_a 130) (<= 130 proc_a)), 30681#(and (<= 132 proc_a) (<= proc_a 132)), 30682#(and (<= proc_a 134) (<= 134 proc_a)), 30683#(and (<= proc_a 136) (<= 136 proc_a)), 30684#(and (<= proc_a 138) (<= 138 proc_a)), 30685#(and (<= proc_a 140) (<= 140 proc_a)), 30686#(and (<= 142 proc_a) (<= proc_a 142)), 30687#(and (<= 144 proc_a) (<= proc_a 144)), 30688#(and (<= proc_a 146) (<= 146 proc_a)), 30689#(and (<= 148 proc_a) (<= proc_a 148)), 30690#(and (<= proc_a 150) (<= 150 proc_a)), 30691#(and (<= proc_a 152) (<= 152 proc_a)), 30692#(and (<= 154 proc_a) (<= proc_a 154)), 30693#(and (<= 156 proc_a) (<= proc_a 156)), 30694#(and (<= proc_a 158) (<= 158 proc_a)), 30695#(and (<= 160 proc_a) (<= proc_a 160)), 30696#(and (<= proc_a 162) (<= 162 proc_a)), 30697#(and (<= 164 proc_a) (<= proc_a 164)), 30698#(and (<= 166 proc_a) (<= proc_a 166)), 30699#(and (<= 168 proc_a) (<= proc_a 168)), 30700#(and (<= 170 proc_a) (<= proc_a 170)), 30701#(and (<= 172 proc_a) (<= proc_a 172)), 30702#(and (<= proc_a 174) (<= 174 proc_a)), 30703#(and (<= 176 proc_a) (<= proc_a 176)), 30704#(and (<= 178 proc_a) (<= proc_a 178)), 30705#(and (<= proc_a 180) (<= 180 proc_a)), 30706#(and (<= proc_a 182) (<= 182 proc_a)), 30707#(and (<= 184 proc_a) (<= proc_a 184)), 30708#(and (<= 186 proc_a) (<= proc_a 186)), 30709#(and (<= 188 proc_a) (<= proc_a 188)), 30710#(and (<= 190 proc_a) (<= proc_a 190)), 30711#(and (<= proc_a 192) (<= 192 proc_a)), 30712#(and (<= 194 proc_a) (<= proc_a 194)), 30713#(and (<= proc_a 196) (<= 196 proc_a)), 30714#(and (<= 198 proc_a) (<= proc_a 198)), 30715#(and (<= proc_a 200) (<= 200 proc_a)), 30716#(and (<= proc_a 202) (<= 202 proc_a)), 30717#(and (<= 204 proc_a) (<= proc_a 204)), 30718#(and (<= 206 proc_a) (<= proc_a 206)), 30719#(and (<= 208 proc_a) (<= proc_a 208))] [2018-07-23 13:51:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:35,995 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:51:35,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:51:35,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:51:35,996 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 110 states. [2018-07-23 13:51:36,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:36,602 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-07-23 13:51:36,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:51:36,603 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 109 [2018-07-23 13:51:36,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:36,603 INFO L225 Difference]: With dead ends: 112 [2018-07-23 13:51:36,603 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:51:36,604 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:51:36,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:51:36,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:51:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:51:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:51:36,609 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 109 [2018-07-23 13:51:36,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:36,610 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:51:36,610 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:51:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:51:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:51:36,611 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:36,611 INFO L357 BasicCegarLoop]: trace histogram [108, 1, 1] [2018-07-23 13:51:36,611 INFO L414 AbstractCegarLoop]: === Iteration 109 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:36,611 INFO L82 PathProgramCache]: Analyzing trace with hash 179553095, now seen corresponding path program 108 times [2018-07-23 13:51:36,611 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:37,124 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:37,125 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:51:37,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:37,125 INFO L185 omatonBuilderFactory]: Interpolants [31232#(and (<= proc_a 122) (<= 122 proc_a)), 31233#(and (<= proc_a 124) (<= 124 proc_a)), 31234#(and (<= proc_a 126) (<= 126 proc_a)), 31235#(and (<= 128 proc_a) (<= proc_a 128)), 31236#(and (<= proc_a 130) (<= 130 proc_a)), 31237#(and (<= 132 proc_a) (<= proc_a 132)), 31238#(and (<= proc_a 134) (<= 134 proc_a)), 31239#(and (<= proc_a 136) (<= 136 proc_a)), 31240#(and (<= proc_a 138) (<= 138 proc_a)), 31241#(and (<= proc_a 140) (<= 140 proc_a)), 31242#(and (<= 142 proc_a) (<= proc_a 142)), 31243#(and (<= 144 proc_a) (<= proc_a 144)), 31244#(and (<= proc_a 146) (<= 146 proc_a)), 31245#(and (<= 148 proc_a) (<= proc_a 148)), 31246#(and (<= proc_a 150) (<= 150 proc_a)), 31247#(and (<= proc_a 152) (<= 152 proc_a)), 31248#(and (<= 154 proc_a) (<= proc_a 154)), 31249#(and (<= 156 proc_a) (<= proc_a 156)), 31250#(and (<= proc_a 158) (<= 158 proc_a)), 31251#(and (<= 160 proc_a) (<= proc_a 160)), 31252#(and (<= proc_a 162) (<= 162 proc_a)), 31253#(and (<= 164 proc_a) (<= proc_a 164)), 31254#(and (<= 166 proc_a) (<= proc_a 166)), 31255#(and (<= 168 proc_a) (<= proc_a 168)), 31256#(and (<= 170 proc_a) (<= proc_a 170)), 31257#(and (<= 172 proc_a) (<= proc_a 172)), 31258#(and (<= proc_a 174) (<= 174 proc_a)), 31259#(and (<= 176 proc_a) (<= proc_a 176)), 31260#(and (<= 178 proc_a) (<= proc_a 178)), 31261#(and (<= proc_a 180) (<= 180 proc_a)), 31262#(and (<= proc_a 182) (<= 182 proc_a)), 31263#(and (<= 184 proc_a) (<= proc_a 184)), 31264#(and (<= 186 proc_a) (<= proc_a 186)), 31265#(and (<= 188 proc_a) (<= proc_a 188)), 31266#(and (<= 190 proc_a) (<= proc_a 190)), 31267#(and (<= proc_a 192) (<= 192 proc_a)), 31268#(and (<= 194 proc_a) (<= proc_a 194)), 31269#(and (<= proc_a 196) (<= 196 proc_a)), 31270#(and (<= 198 proc_a) (<= proc_a 198)), 31271#(and (<= proc_a 200) (<= 200 proc_a)), 31272#(and (<= proc_a 202) (<= 202 proc_a)), 31273#(and (<= 204 proc_a) (<= proc_a 204)), 31274#(and (<= 206 proc_a) (<= proc_a 206)), 31275#(and (<= 208 proc_a) (<= proc_a 208)), 31276#(and (<= proc_a 210) (<= 210 proc_a)), 31277#(and (<= proc_a 212) (<= 212 proc_a)), 31278#(and (<= 214 proc_a) (<= proc_a 214)), 31279#(and (<= 216 proc_a) (<= proc_a 216)), 31169#true, 31170#false, 31171#(and (<= proc_a 0) (<= 0 proc_a)), 31172#(and (<= 2 proc_a) (<= proc_a 2)), 31173#(and (<= 4 proc_a) (<= proc_a 4)), 31174#(and (<= 6 proc_a) (<= proc_a 6)), 31175#(and (<= proc_a 8) (<= 8 proc_a)), 31176#(and (<= 10 proc_a) (<= proc_a 10)), 31177#(and (<= proc_a 12) (<= 12 proc_a)), 31178#(and (<= 14 proc_a) (<= proc_a 14)), 31179#(and (<= proc_a 16) (<= 16 proc_a)), 31180#(and (<= 18 proc_a) (<= proc_a 18)), 31181#(and (<= 20 proc_a) (<= proc_a 20)), 31182#(and (<= 22 proc_a) (<= proc_a 22)), 31183#(and (<= 24 proc_a) (<= proc_a 24)), 31184#(and (<= 26 proc_a) (<= proc_a 26)), 31185#(and (<= proc_a 28) (<= 28 proc_a)), 31186#(and (<= proc_a 30) (<= 30 proc_a)), 31187#(and (<= 32 proc_a) (<= proc_a 32)), 31188#(and (<= 34 proc_a) (<= proc_a 34)), 31189#(and (<= 36 proc_a) (<= proc_a 36)), 31190#(and (<= 38 proc_a) (<= proc_a 38)), 31191#(and (<= 40 proc_a) (<= proc_a 40)), 31192#(and (<= proc_a 42) (<= 42 proc_a)), 31193#(and (<= proc_a 44) (<= 44 proc_a)), 31194#(and (<= proc_a 46) (<= 46 proc_a)), 31195#(and (<= 48 proc_a) (<= proc_a 48)), 31196#(and (<= 50 proc_a) (<= proc_a 50)), 31197#(and (<= 52 proc_a) (<= proc_a 52)), 31198#(and (<= 54 proc_a) (<= proc_a 54)), 31199#(and (<= proc_a 56) (<= 56 proc_a)), 31200#(and (<= proc_a 58) (<= 58 proc_a)), 31201#(and (<= 60 proc_a) (<= proc_a 60)), 31202#(and (<= 62 proc_a) (<= proc_a 62)), 31203#(and (<= 64 proc_a) (<= proc_a 64)), 31204#(and (<= 66 proc_a) (<= proc_a 66)), 31205#(and (<= 68 proc_a) (<= proc_a 68)), 31206#(and (<= proc_a 70) (<= 70 proc_a)), 31207#(and (<= 72 proc_a) (<= proc_a 72)), 31208#(and (<= proc_a 74) (<= 74 proc_a)), 31209#(and (<= proc_a 76) (<= 76 proc_a)), 31210#(and (<= 78 proc_a) (<= proc_a 78)), 31211#(and (<= proc_a 80) (<= 80 proc_a)), 31212#(and (<= 82 proc_a) (<= proc_a 82)), 31213#(and (<= proc_a 84) (<= 84 proc_a)), 31214#(and (<= 86 proc_a) (<= proc_a 86)), 31215#(and (<= 88 proc_a) (<= proc_a 88)), 31216#(and (<= proc_a 90) (<= 90 proc_a)), 31217#(and (<= 92 proc_a) (<= proc_a 92)), 31218#(and (<= proc_a 94) (<= 94 proc_a)), 31219#(and (<= proc_a 96) (<= 96 proc_a)), 31220#(and (<= 98 proc_a) (<= proc_a 98)), 31221#(and (<= proc_a 100) (<= 100 proc_a)), 31222#(and (<= 102 proc_a) (<= proc_a 102)), 31223#(and (<= proc_a 104) (<= 104 proc_a)), 31224#(and (<= 106 proc_a) (<= proc_a 106)), 31225#(and (<= proc_a 108) (<= 108 proc_a)), 31226#(and (<= proc_a 110) (<= 110 proc_a)), 31227#(and (<= proc_a 112) (<= 112 proc_a)), 31228#(and (<= 114 proc_a) (<= proc_a 114)), 31229#(and (<= 116 proc_a) (<= proc_a 116)), 31230#(and (<= proc_a 118) (<= 118 proc_a)), 31231#(and (<= 120 proc_a) (<= proc_a 120))] [2018-07-23 13:51:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:37,126 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:51:37,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:51:37,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:51:37,127 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 111 states. [2018-07-23 13:51:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:37,751 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:51:37,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:51:37,752 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 110 [2018-07-23 13:51:37,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:37,752 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:51:37,752 INFO L226 Difference]: Without dead ends: 112 [2018-07-23 13:51:37,753 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:51:37,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-07-23 13:51:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-07-23 13:51:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-23 13:51:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-07-23 13:51:37,757 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 110 [2018-07-23 13:51:37,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:37,757 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-07-23 13:51:37,757 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:51:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-07-23 13:51:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-07-23 13:51:37,758 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:37,758 INFO L357 BasicCegarLoop]: trace histogram [109, 1, 1] [2018-07-23 13:51:37,758 INFO L414 AbstractCegarLoop]: === Iteration 110 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:37,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1271178593, now seen corresponding path program 109 times [2018-07-23 13:51:37,758 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:38,266 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:38,266 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:51:38,266 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:38,267 INFO L185 omatonBuilderFactory]: Interpolants [31744#(and (<= 24 proc_a) (<= proc_a 24)), 31745#(and (<= 26 proc_a) (<= proc_a 26)), 31746#(and (<= proc_a 28) (<= 28 proc_a)), 31747#(and (<= proc_a 30) (<= 30 proc_a)), 31748#(and (<= 32 proc_a) (<= proc_a 32)), 31749#(and (<= 34 proc_a) (<= proc_a 34)), 31750#(and (<= 36 proc_a) (<= proc_a 36)), 31751#(and (<= 38 proc_a) (<= proc_a 38)), 31752#(and (<= 40 proc_a) (<= proc_a 40)), 31753#(and (<= proc_a 42) (<= 42 proc_a)), 31754#(and (<= proc_a 44) (<= 44 proc_a)), 31755#(and (<= proc_a 46) (<= 46 proc_a)), 31756#(and (<= 48 proc_a) (<= proc_a 48)), 31757#(and (<= 50 proc_a) (<= proc_a 50)), 31758#(and (<= 52 proc_a) (<= proc_a 52)), 31759#(and (<= 54 proc_a) (<= proc_a 54)), 31760#(and (<= proc_a 56) (<= 56 proc_a)), 31761#(and (<= proc_a 58) (<= 58 proc_a)), 31762#(and (<= 60 proc_a) (<= proc_a 60)), 31763#(and (<= 62 proc_a) (<= proc_a 62)), 31764#(and (<= 64 proc_a) (<= proc_a 64)), 31765#(and (<= 66 proc_a) (<= proc_a 66)), 31766#(and (<= 68 proc_a) (<= proc_a 68)), 31767#(and (<= proc_a 70) (<= 70 proc_a)), 31768#(and (<= 72 proc_a) (<= proc_a 72)), 31769#(and (<= proc_a 74) (<= 74 proc_a)), 31770#(and (<= proc_a 76) (<= 76 proc_a)), 31771#(and (<= 78 proc_a) (<= proc_a 78)), 31772#(and (<= proc_a 80) (<= 80 proc_a)), 31773#(and (<= 82 proc_a) (<= proc_a 82)), 31774#(and (<= proc_a 84) (<= 84 proc_a)), 31775#(and (<= 86 proc_a) (<= proc_a 86)), 31776#(and (<= 88 proc_a) (<= proc_a 88)), 31777#(and (<= proc_a 90) (<= 90 proc_a)), 31778#(and (<= 92 proc_a) (<= proc_a 92)), 31779#(and (<= proc_a 94) (<= 94 proc_a)), 31780#(and (<= proc_a 96) (<= 96 proc_a)), 31781#(and (<= 98 proc_a) (<= proc_a 98)), 31782#(and (<= proc_a 100) (<= 100 proc_a)), 31783#(and (<= 102 proc_a) (<= proc_a 102)), 31784#(and (<= proc_a 104) (<= 104 proc_a)), 31785#(and (<= 106 proc_a) (<= proc_a 106)), 31786#(and (<= proc_a 108) (<= 108 proc_a)), 31787#(and (<= proc_a 110) (<= 110 proc_a)), 31788#(and (<= proc_a 112) (<= 112 proc_a)), 31789#(and (<= 114 proc_a) (<= proc_a 114)), 31790#(and (<= 116 proc_a) (<= proc_a 116)), 31791#(and (<= proc_a 118) (<= 118 proc_a)), 31792#(and (<= 120 proc_a) (<= proc_a 120)), 31793#(and (<= proc_a 122) (<= 122 proc_a)), 31794#(and (<= proc_a 124) (<= 124 proc_a)), 31795#(and (<= proc_a 126) (<= 126 proc_a)), 31796#(and (<= 128 proc_a) (<= proc_a 128)), 31797#(and (<= proc_a 130) (<= 130 proc_a)), 31798#(and (<= 132 proc_a) (<= proc_a 132)), 31799#(and (<= proc_a 134) (<= 134 proc_a)), 31800#(and (<= proc_a 136) (<= 136 proc_a)), 31801#(and (<= proc_a 138) (<= 138 proc_a)), 31802#(and (<= proc_a 140) (<= 140 proc_a)), 31803#(and (<= 142 proc_a) (<= proc_a 142)), 31804#(and (<= 144 proc_a) (<= proc_a 144)), 31805#(and (<= proc_a 146) (<= 146 proc_a)), 31806#(and (<= 148 proc_a) (<= proc_a 148)), 31807#(and (<= proc_a 150) (<= 150 proc_a)), 31808#(and (<= proc_a 152) (<= 152 proc_a)), 31809#(and (<= 154 proc_a) (<= proc_a 154)), 31810#(and (<= 156 proc_a) (<= proc_a 156)), 31811#(and (<= proc_a 158) (<= 158 proc_a)), 31812#(and (<= 160 proc_a) (<= proc_a 160)), 31813#(and (<= proc_a 162) (<= 162 proc_a)), 31814#(and (<= 164 proc_a) (<= proc_a 164)), 31815#(and (<= 166 proc_a) (<= proc_a 166)), 31816#(and (<= 168 proc_a) (<= proc_a 168)), 31817#(and (<= 170 proc_a) (<= proc_a 170)), 31818#(and (<= 172 proc_a) (<= proc_a 172)), 31819#(and (<= proc_a 174) (<= 174 proc_a)), 31820#(and (<= 176 proc_a) (<= proc_a 176)), 31821#(and (<= 178 proc_a) (<= proc_a 178)), 31822#(and (<= proc_a 180) (<= 180 proc_a)), 31823#(and (<= proc_a 182) (<= 182 proc_a)), 31824#(and (<= 184 proc_a) (<= proc_a 184)), 31825#(and (<= 186 proc_a) (<= proc_a 186)), 31826#(and (<= 188 proc_a) (<= proc_a 188)), 31827#(and (<= 190 proc_a) (<= proc_a 190)), 31828#(and (<= proc_a 192) (<= 192 proc_a)), 31829#(and (<= 194 proc_a) (<= proc_a 194)), 31830#(and (<= proc_a 196) (<= 196 proc_a)), 31831#(and (<= 198 proc_a) (<= proc_a 198)), 31832#(and (<= proc_a 200) (<= 200 proc_a)), 31833#(and (<= proc_a 202) (<= 202 proc_a)), 31834#(and (<= 204 proc_a) (<= proc_a 204)), 31835#(and (<= 206 proc_a) (<= proc_a 206)), 31836#(and (<= 208 proc_a) (<= proc_a 208)), 31837#(and (<= proc_a 210) (<= 210 proc_a)), 31838#(and (<= proc_a 212) (<= 212 proc_a)), 31839#(and (<= 214 proc_a) (<= proc_a 214)), 31840#(and (<= 216 proc_a) (<= proc_a 216)), 31841#(and (<= proc_a 218) (<= 218 proc_a)), 31730#true, 31731#false, 31732#(and (<= proc_a 0) (<= 0 proc_a)), 31733#(and (<= 2 proc_a) (<= proc_a 2)), 31734#(and (<= 4 proc_a) (<= proc_a 4)), 31735#(and (<= 6 proc_a) (<= proc_a 6)), 31736#(and (<= proc_a 8) (<= 8 proc_a)), 31737#(and (<= 10 proc_a) (<= proc_a 10)), 31738#(and (<= proc_a 12) (<= 12 proc_a)), 31739#(and (<= 14 proc_a) (<= proc_a 14)), 31740#(and (<= proc_a 16) (<= 16 proc_a)), 31741#(and (<= 18 proc_a) (<= proc_a 18)), 31742#(and (<= 20 proc_a) (<= proc_a 20)), 31743#(and (<= 22 proc_a) (<= proc_a 22))] [2018-07-23 13:51:38,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:38,268 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:51:38,268 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:51:38,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:51:38,269 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 112 states. [2018-07-23 13:51:38,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:38,908 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-07-23 13:51:38,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:51:38,908 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 111 [2018-07-23 13:51:38,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:38,909 INFO L225 Difference]: With dead ends: 114 [2018-07-23 13:51:38,909 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:51:38,910 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:51:38,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:51:38,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:51:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:51:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:51:38,913 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 111 [2018-07-23 13:51:38,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:38,914 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:51:38,914 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:51:38,914 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:51:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:51:38,914 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:38,914 INFO L357 BasicCegarLoop]: trace histogram [110, 1, 1] [2018-07-23 13:51:38,914 INFO L414 AbstractCegarLoop]: === Iteration 111 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:38,915 INFO L82 PathProgramCache]: Analyzing trace with hash 751830663, now seen corresponding path program 110 times [2018-07-23 13:51:38,915 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:39,739 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:39,740 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:51:39,740 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:39,740 INFO L185 omatonBuilderFactory]: Interpolants [32296#true, 32297#false, 32298#(and (<= proc_a 0) (<= 0 proc_a)), 32299#(and (<= 2 proc_a) (<= proc_a 2)), 32300#(and (<= 4 proc_a) (<= proc_a 4)), 32301#(and (<= 6 proc_a) (<= proc_a 6)), 32302#(and (<= proc_a 8) (<= 8 proc_a)), 32303#(and (<= 10 proc_a) (<= proc_a 10)), 32304#(and (<= proc_a 12) (<= 12 proc_a)), 32305#(and (<= 14 proc_a) (<= proc_a 14)), 32306#(and (<= proc_a 16) (<= 16 proc_a)), 32307#(and (<= 18 proc_a) (<= proc_a 18)), 32308#(and (<= 20 proc_a) (<= proc_a 20)), 32309#(and (<= 22 proc_a) (<= proc_a 22)), 32310#(and (<= 24 proc_a) (<= proc_a 24)), 32311#(and (<= 26 proc_a) (<= proc_a 26)), 32312#(and (<= proc_a 28) (<= 28 proc_a)), 32313#(and (<= proc_a 30) (<= 30 proc_a)), 32314#(and (<= 32 proc_a) (<= proc_a 32)), 32315#(and (<= 34 proc_a) (<= proc_a 34)), 32316#(and (<= 36 proc_a) (<= proc_a 36)), 32317#(and (<= 38 proc_a) (<= proc_a 38)), 32318#(and (<= 40 proc_a) (<= proc_a 40)), 32319#(and (<= proc_a 42) (<= 42 proc_a)), 32320#(and (<= proc_a 44) (<= 44 proc_a)), 32321#(and (<= proc_a 46) (<= 46 proc_a)), 32322#(and (<= 48 proc_a) (<= proc_a 48)), 32323#(and (<= 50 proc_a) (<= proc_a 50)), 32324#(and (<= 52 proc_a) (<= proc_a 52)), 32325#(and (<= 54 proc_a) (<= proc_a 54)), 32326#(and (<= proc_a 56) (<= 56 proc_a)), 32327#(and (<= proc_a 58) (<= 58 proc_a)), 32328#(and (<= 60 proc_a) (<= proc_a 60)), 32329#(and (<= 62 proc_a) (<= proc_a 62)), 32330#(and (<= 64 proc_a) (<= proc_a 64)), 32331#(and (<= 66 proc_a) (<= proc_a 66)), 32332#(and (<= 68 proc_a) (<= proc_a 68)), 32333#(and (<= proc_a 70) (<= 70 proc_a)), 32334#(and (<= 72 proc_a) (<= proc_a 72)), 32335#(and (<= proc_a 74) (<= 74 proc_a)), 32336#(and (<= proc_a 76) (<= 76 proc_a)), 32337#(and (<= 78 proc_a) (<= proc_a 78)), 32338#(and (<= proc_a 80) (<= 80 proc_a)), 32339#(and (<= 82 proc_a) (<= proc_a 82)), 32340#(and (<= proc_a 84) (<= 84 proc_a)), 32341#(and (<= 86 proc_a) (<= proc_a 86)), 32342#(and (<= 88 proc_a) (<= proc_a 88)), 32343#(and (<= proc_a 90) (<= 90 proc_a)), 32344#(and (<= 92 proc_a) (<= proc_a 92)), 32345#(and (<= proc_a 94) (<= 94 proc_a)), 32346#(and (<= proc_a 96) (<= 96 proc_a)), 32347#(and (<= 98 proc_a) (<= proc_a 98)), 32348#(and (<= proc_a 100) (<= 100 proc_a)), 32349#(and (<= 102 proc_a) (<= proc_a 102)), 32350#(and (<= proc_a 104) (<= 104 proc_a)), 32351#(and (<= 106 proc_a) (<= proc_a 106)), 32352#(and (<= proc_a 108) (<= 108 proc_a)), 32353#(and (<= proc_a 110) (<= 110 proc_a)), 32354#(and (<= proc_a 112) (<= 112 proc_a)), 32355#(and (<= 114 proc_a) (<= proc_a 114)), 32356#(and (<= 116 proc_a) (<= proc_a 116)), 32357#(and (<= proc_a 118) (<= 118 proc_a)), 32358#(and (<= 120 proc_a) (<= proc_a 120)), 32359#(and (<= proc_a 122) (<= 122 proc_a)), 32360#(and (<= proc_a 124) (<= 124 proc_a)), 32361#(and (<= proc_a 126) (<= 126 proc_a)), 32362#(and (<= 128 proc_a) (<= proc_a 128)), 32363#(and (<= proc_a 130) (<= 130 proc_a)), 32364#(and (<= 132 proc_a) (<= proc_a 132)), 32365#(and (<= proc_a 134) (<= 134 proc_a)), 32366#(and (<= proc_a 136) (<= 136 proc_a)), 32367#(and (<= proc_a 138) (<= 138 proc_a)), 32368#(and (<= proc_a 140) (<= 140 proc_a)), 32369#(and (<= 142 proc_a) (<= proc_a 142)), 32370#(and (<= 144 proc_a) (<= proc_a 144)), 32371#(and (<= proc_a 146) (<= 146 proc_a)), 32372#(and (<= 148 proc_a) (<= proc_a 148)), 32373#(and (<= proc_a 150) (<= 150 proc_a)), 32374#(and (<= proc_a 152) (<= 152 proc_a)), 32375#(and (<= 154 proc_a) (<= proc_a 154)), 32376#(and (<= 156 proc_a) (<= proc_a 156)), 32377#(and (<= proc_a 158) (<= 158 proc_a)), 32378#(and (<= 160 proc_a) (<= proc_a 160)), 32379#(and (<= proc_a 162) (<= 162 proc_a)), 32380#(and (<= 164 proc_a) (<= proc_a 164)), 32381#(and (<= 166 proc_a) (<= proc_a 166)), 32382#(and (<= 168 proc_a) (<= proc_a 168)), 32383#(and (<= 170 proc_a) (<= proc_a 170)), 32384#(and (<= 172 proc_a) (<= proc_a 172)), 32385#(and (<= proc_a 174) (<= 174 proc_a)), 32386#(and (<= 176 proc_a) (<= proc_a 176)), 32387#(and (<= 178 proc_a) (<= proc_a 178)), 32388#(and (<= proc_a 180) (<= 180 proc_a)), 32389#(and (<= proc_a 182) (<= 182 proc_a)), 32390#(and (<= 184 proc_a) (<= proc_a 184)), 32391#(and (<= 186 proc_a) (<= proc_a 186)), 32392#(and (<= 188 proc_a) (<= proc_a 188)), 32393#(and (<= 190 proc_a) (<= proc_a 190)), 32394#(and (<= proc_a 192) (<= 192 proc_a)), 32395#(and (<= 194 proc_a) (<= proc_a 194)), 32396#(and (<= proc_a 196) (<= 196 proc_a)), 32397#(and (<= 198 proc_a) (<= proc_a 198)), 32398#(and (<= proc_a 200) (<= 200 proc_a)), 32399#(and (<= proc_a 202) (<= 202 proc_a)), 32400#(and (<= 204 proc_a) (<= proc_a 204)), 32401#(and (<= 206 proc_a) (<= proc_a 206)), 32402#(and (<= 208 proc_a) (<= proc_a 208)), 32403#(and (<= proc_a 210) (<= 210 proc_a)), 32404#(and (<= proc_a 212) (<= 212 proc_a)), 32405#(and (<= 214 proc_a) (<= proc_a 214)), 32406#(and (<= 216 proc_a) (<= proc_a 216)), 32407#(and (<= proc_a 218) (<= 218 proc_a)), 32408#(and (<= proc_a 220) (<= 220 proc_a))] [2018-07-23 13:51:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:39,741 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:51:39,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:51:39,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=12433, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:51:39,742 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 113 states. [2018-07-23 13:51:40,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:40,385 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:51:40,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:51:40,385 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 112 [2018-07-23 13:51:40,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:40,386 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:51:40,386 INFO L226 Difference]: Without dead ends: 114 [2018-07-23 13:51:40,387 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=223, Invalid=12433, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:51:40,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-07-23 13:51:40,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-07-23 13:51:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-07-23 13:51:40,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-07-23 13:51:40,392 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 112 [2018-07-23 13:51:40,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:40,392 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-07-23 13:51:40,392 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:51:40,392 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-07-23 13:51:40,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 13:51:40,393 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:40,393 INFO L357 BasicCegarLoop]: trace histogram [111, 1, 1] [2018-07-23 13:51:40,393 INFO L414 AbstractCegarLoop]: === Iteration 112 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:40,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1831914017, now seen corresponding path program 111 times [2018-07-23 13:51:40,393 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:40,945 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:40,945 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:51:40,945 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:40,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:40,945 INFO L185 omatonBuilderFactory]: Interpolants [32867#true, 32868#false, 32869#(and (<= proc_a 0) (<= 0 proc_a)), 32870#(and (<= 2 proc_a) (<= proc_a 2)), 32871#(and (<= 4 proc_a) (<= proc_a 4)), 32872#(and (<= 6 proc_a) (<= proc_a 6)), 32873#(and (<= proc_a 8) (<= 8 proc_a)), 32874#(and (<= 10 proc_a) (<= proc_a 10)), 32875#(and (<= proc_a 12) (<= 12 proc_a)), 32876#(and (<= 14 proc_a) (<= proc_a 14)), 32877#(and (<= proc_a 16) (<= 16 proc_a)), 32878#(and (<= 18 proc_a) (<= proc_a 18)), 32879#(and (<= 20 proc_a) (<= proc_a 20)), 32880#(and (<= 22 proc_a) (<= proc_a 22)), 32881#(and (<= 24 proc_a) (<= proc_a 24)), 32882#(and (<= 26 proc_a) (<= proc_a 26)), 32883#(and (<= proc_a 28) (<= 28 proc_a)), 32884#(and (<= proc_a 30) (<= 30 proc_a)), 32885#(and (<= 32 proc_a) (<= proc_a 32)), 32886#(and (<= 34 proc_a) (<= proc_a 34)), 32887#(and (<= 36 proc_a) (<= proc_a 36)), 32888#(and (<= 38 proc_a) (<= proc_a 38)), 32889#(and (<= 40 proc_a) (<= proc_a 40)), 32890#(and (<= proc_a 42) (<= 42 proc_a)), 32891#(and (<= proc_a 44) (<= 44 proc_a)), 32892#(and (<= proc_a 46) (<= 46 proc_a)), 32893#(and (<= 48 proc_a) (<= proc_a 48)), 32894#(and (<= 50 proc_a) (<= proc_a 50)), 32895#(and (<= 52 proc_a) (<= proc_a 52)), 32896#(and (<= 54 proc_a) (<= proc_a 54)), 32897#(and (<= proc_a 56) (<= 56 proc_a)), 32898#(and (<= proc_a 58) (<= 58 proc_a)), 32899#(and (<= 60 proc_a) (<= proc_a 60)), 32900#(and (<= 62 proc_a) (<= proc_a 62)), 32901#(and (<= 64 proc_a) (<= proc_a 64)), 32902#(and (<= 66 proc_a) (<= proc_a 66)), 32903#(and (<= 68 proc_a) (<= proc_a 68)), 32904#(and (<= proc_a 70) (<= 70 proc_a)), 32905#(and (<= 72 proc_a) (<= proc_a 72)), 32906#(and (<= proc_a 74) (<= 74 proc_a)), 32907#(and (<= proc_a 76) (<= 76 proc_a)), 32908#(and (<= 78 proc_a) (<= proc_a 78)), 32909#(and (<= proc_a 80) (<= 80 proc_a)), 32910#(and (<= 82 proc_a) (<= proc_a 82)), 32911#(and (<= proc_a 84) (<= 84 proc_a)), 32912#(and (<= 86 proc_a) (<= proc_a 86)), 32913#(and (<= 88 proc_a) (<= proc_a 88)), 32914#(and (<= proc_a 90) (<= 90 proc_a)), 32915#(and (<= 92 proc_a) (<= proc_a 92)), 32916#(and (<= proc_a 94) (<= 94 proc_a)), 32917#(and (<= proc_a 96) (<= 96 proc_a)), 32918#(and (<= 98 proc_a) (<= proc_a 98)), 32919#(and (<= proc_a 100) (<= 100 proc_a)), 32920#(and (<= 102 proc_a) (<= proc_a 102)), 32921#(and (<= proc_a 104) (<= 104 proc_a)), 32922#(and (<= 106 proc_a) (<= proc_a 106)), 32923#(and (<= proc_a 108) (<= 108 proc_a)), 32924#(and (<= proc_a 110) (<= 110 proc_a)), 32925#(and (<= proc_a 112) (<= 112 proc_a)), 32926#(and (<= 114 proc_a) (<= proc_a 114)), 32927#(and (<= 116 proc_a) (<= proc_a 116)), 32928#(and (<= proc_a 118) (<= 118 proc_a)), 32929#(and (<= 120 proc_a) (<= proc_a 120)), 32930#(and (<= proc_a 122) (<= 122 proc_a)), 32931#(and (<= proc_a 124) (<= 124 proc_a)), 32932#(and (<= proc_a 126) (<= 126 proc_a)), 32933#(and (<= 128 proc_a) (<= proc_a 128)), 32934#(and (<= proc_a 130) (<= 130 proc_a)), 32935#(and (<= 132 proc_a) (<= proc_a 132)), 32936#(and (<= proc_a 134) (<= 134 proc_a)), 32937#(and (<= proc_a 136) (<= 136 proc_a)), 32938#(and (<= proc_a 138) (<= 138 proc_a)), 32939#(and (<= proc_a 140) (<= 140 proc_a)), 32940#(and (<= 142 proc_a) (<= proc_a 142)), 32941#(and (<= 144 proc_a) (<= proc_a 144)), 32942#(and (<= proc_a 146) (<= 146 proc_a)), 32943#(and (<= 148 proc_a) (<= proc_a 148)), 32944#(and (<= proc_a 150) (<= 150 proc_a)), 32945#(and (<= proc_a 152) (<= 152 proc_a)), 32946#(and (<= 154 proc_a) (<= proc_a 154)), 32947#(and (<= 156 proc_a) (<= proc_a 156)), 32948#(and (<= proc_a 158) (<= 158 proc_a)), 32949#(and (<= 160 proc_a) (<= proc_a 160)), 32950#(and (<= proc_a 162) (<= 162 proc_a)), 32951#(and (<= 164 proc_a) (<= proc_a 164)), 32952#(and (<= 166 proc_a) (<= proc_a 166)), 32953#(and (<= 168 proc_a) (<= proc_a 168)), 32954#(and (<= 170 proc_a) (<= proc_a 170)), 32955#(and (<= 172 proc_a) (<= proc_a 172)), 32956#(and (<= proc_a 174) (<= 174 proc_a)), 32957#(and (<= 176 proc_a) (<= proc_a 176)), 32958#(and (<= 178 proc_a) (<= proc_a 178)), 32959#(and (<= proc_a 180) (<= 180 proc_a)), 32960#(and (<= proc_a 182) (<= 182 proc_a)), 32961#(and (<= 184 proc_a) (<= proc_a 184)), 32962#(and (<= 186 proc_a) (<= proc_a 186)), 32963#(and (<= 188 proc_a) (<= proc_a 188)), 32964#(and (<= 190 proc_a) (<= proc_a 190)), 32965#(and (<= proc_a 192) (<= 192 proc_a)), 32966#(and (<= 194 proc_a) (<= proc_a 194)), 32967#(and (<= proc_a 196) (<= 196 proc_a)), 32968#(and (<= 198 proc_a) (<= proc_a 198)), 32969#(and (<= proc_a 200) (<= 200 proc_a)), 32970#(and (<= proc_a 202) (<= 202 proc_a)), 32971#(and (<= 204 proc_a) (<= proc_a 204)), 32972#(and (<= 206 proc_a) (<= proc_a 206)), 32973#(and (<= 208 proc_a) (<= proc_a 208)), 32974#(and (<= proc_a 210) (<= 210 proc_a)), 32975#(and (<= proc_a 212) (<= 212 proc_a)), 32976#(and (<= 214 proc_a) (<= proc_a 214)), 32977#(and (<= 216 proc_a) (<= proc_a 216)), 32978#(and (<= proc_a 218) (<= 218 proc_a)), 32979#(and (<= proc_a 220) (<= 220 proc_a)), 32980#(and (<= 222 proc_a) (<= proc_a 222))] [2018-07-23 13:51:40,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:40,946 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:51:40,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:51:40,947 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=12657, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:51:40,947 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 114 states. [2018-07-23 13:51:41,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:41,598 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-07-23 13:51:41,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:51:41,598 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 113 [2018-07-23 13:51:41,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:41,598 INFO L225 Difference]: With dead ends: 116 [2018-07-23 13:51:41,598 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:51:41,599 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=225, Invalid=12657, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:51:41,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:51:41,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:51:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:51:41,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:51:41,603 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 113 [2018-07-23 13:51:41,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:41,603 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:51:41,603 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:51:41,603 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:51:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:51:41,603 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:41,603 INFO L357 BasicCegarLoop]: trace histogram [112, 1, 1] [2018-07-23 13:51:41,604 INFO L414 AbstractCegarLoop]: === Iteration 113 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:41,604 INFO L82 PathProgramCache]: Analyzing trace with hash 954759623, now seen corresponding path program 112 times [2018-07-23 13:51:41,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:42,412 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:42,412 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:51:42,412 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:42,412 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 13:51:42,413 INFO L185 omatonBuilderFactory]: Interpolants [33536#(and (<= proc_a 182) (<= 182 proc_a)), 33537#(and (<= 184 proc_a) (<= proc_a 184)), 33538#(and (<= 186 proc_a) (<= proc_a 186)), 33539#(and (<= 188 proc_a) (<= proc_a 188)), 33540#(and (<= 190 proc_a) (<= proc_a 190)), 33541#(and (<= proc_a 192) (<= 192 proc_a)), 33542#(and (<= 194 proc_a) (<= proc_a 194)), 33543#(and (<= proc_a 196) (<= 196 proc_a)), 33544#(and (<= 198 proc_a) (<= proc_a 198)), 33545#(and (<= proc_a 200) (<= 200 proc_a)), 33546#(and (<= proc_a 202) (<= 202 proc_a)), 33547#(and (<= 204 proc_a) (<= proc_a 204)), 33548#(and (<= 206 proc_a) (<= proc_a 206)), 33549#(and (<= 208 proc_a) (<= proc_a 208)), 33550#(and (<= proc_a 210) (<= 210 proc_a)), 33551#(and (<= proc_a 212) (<= 212 proc_a)), 33552#(and (<= 214 proc_a) (<= proc_a 214)), 33553#(and (<= 216 proc_a) (<= proc_a 216)), 33554#(and (<= proc_a 218) (<= 218 proc_a)), 33555#(and (<= proc_a 220) (<= 220 proc_a)), 33556#(and (<= 222 proc_a) (<= proc_a 222)), 33557#(and (<= 224 proc_a) (<= proc_a 224)), 33443#true, 33444#false, 33445#(and (<= proc_a 0) (<= 0 proc_a)), 33446#(and (<= 2 proc_a) (<= proc_a 2)), 33447#(and (<= 4 proc_a) (<= proc_a 4)), 33448#(and (<= 6 proc_a) (<= proc_a 6)), 33449#(and (<= proc_a 8) (<= 8 proc_a)), 33450#(and (<= 10 proc_a) (<= proc_a 10)), 33451#(and (<= proc_a 12) (<= 12 proc_a)), 33452#(and (<= 14 proc_a) (<= proc_a 14)), 33453#(and (<= proc_a 16) (<= 16 proc_a)), 33454#(and (<= 18 proc_a) (<= proc_a 18)), 33455#(and (<= 20 proc_a) (<= proc_a 20)), 33456#(and (<= 22 proc_a) (<= proc_a 22)), 33457#(and (<= 24 proc_a) (<= proc_a 24)), 33458#(and (<= 26 proc_a) (<= proc_a 26)), 33459#(and (<= proc_a 28) (<= 28 proc_a)), 33460#(and (<= proc_a 30) (<= 30 proc_a)), 33461#(and (<= 32 proc_a) (<= proc_a 32)), 33462#(and (<= 34 proc_a) (<= proc_a 34)), 33463#(and (<= 36 proc_a) (<= proc_a 36)), 33464#(and (<= 38 proc_a) (<= proc_a 38)), 33465#(and (<= 40 proc_a) (<= proc_a 40)), 33466#(and (<= proc_a 42) (<= 42 proc_a)), 33467#(and (<= proc_a 44) (<= 44 proc_a)), 33468#(and (<= proc_a 46) (<= 46 proc_a)), 33469#(and (<= 48 proc_a) (<= proc_a 48)), 33470#(and (<= 50 proc_a) (<= proc_a 50)), 33471#(and (<= 52 proc_a) (<= proc_a 52)), 33472#(and (<= 54 proc_a) (<= proc_a 54)), 33473#(and (<= proc_a 56) (<= 56 proc_a)), 33474#(and (<= proc_a 58) (<= 58 proc_a)), 33475#(and (<= 60 proc_a) (<= proc_a 60)), 33476#(and (<= 62 proc_a) (<= proc_a 62)), 33477#(and (<= 64 proc_a) (<= proc_a 64)), 33478#(and (<= 66 proc_a) (<= proc_a 66)), 33479#(and (<= 68 proc_a) (<= proc_a 68)), 33480#(and (<= proc_a 70) (<= 70 proc_a)), 33481#(and (<= 72 proc_a) (<= proc_a 72)), 33482#(and (<= proc_a 74) (<= 74 proc_a)), 33483#(and (<= proc_a 76) (<= 76 proc_a)), 33484#(and (<= 78 proc_a) (<= proc_a 78)), 33485#(and (<= proc_a 80) (<= 80 proc_a)), 33486#(and (<= 82 proc_a) (<= proc_a 82)), 33487#(and (<= proc_a 84) (<= 84 proc_a)), 33488#(and (<= 86 proc_a) (<= proc_a 86)), 33489#(and (<= 88 proc_a) (<= proc_a 88)), 33490#(and (<= proc_a 90) (<= 90 proc_a)), 33491#(and (<= 92 proc_a) (<= proc_a 92)), 33492#(and (<= proc_a 94) (<= 94 proc_a)), 33493#(and (<= proc_a 96) (<= 96 proc_a)), 33494#(and (<= 98 proc_a) (<= proc_a 98)), 33495#(and (<= proc_a 100) (<= 100 proc_a)), 33496#(and (<= 102 proc_a) (<= proc_a 102)), 33497#(and (<= proc_a 104) (<= 104 proc_a)), 33498#(and (<= 106 proc_a) (<= proc_a 106)), 33499#(and (<= proc_a 108) (<= 108 proc_a)), 33500#(and (<= proc_a 110) (<= 110 proc_a)), 33501#(and (<= proc_a 112) (<= 112 proc_a)), 33502#(and (<= 114 proc_a) (<= proc_a 114)), 33503#(and (<= 116 proc_a) (<= proc_a 116)), 33504#(and (<= proc_a 118) (<= 118 proc_a)), 33505#(and (<= 120 proc_a) (<= proc_a 120)), 33506#(and (<= proc_a 122) (<= 122 proc_a)), 33507#(and (<= proc_a 124) (<= 124 proc_a)), 33508#(and (<= proc_a 126) (<= 126 proc_a)), 33509#(and (<= 128 proc_a) (<= proc_a 128)), 33510#(and (<= proc_a 130) (<= 130 proc_a)), 33511#(and (<= 132 proc_a) (<= proc_a 132)), 33512#(and (<= proc_a 134) (<= 134 proc_a)), 33513#(and (<= proc_a 136) (<= 136 proc_a)), 33514#(and (<= proc_a 138) (<= 138 proc_a)), 33515#(and (<= proc_a 140) (<= 140 proc_a)), 33516#(and (<= 142 proc_a) (<= proc_a 142)), 33517#(and (<= 144 proc_a) (<= proc_a 144)), 33518#(and (<= proc_a 146) (<= 146 proc_a)), 33519#(and (<= 148 proc_a) (<= proc_a 148)), 33520#(and (<= proc_a 150) (<= 150 proc_a)), 33521#(and (<= proc_a 152) (<= 152 proc_a)), 33522#(and (<= 154 proc_a) (<= proc_a 154)), 33523#(and (<= 156 proc_a) (<= proc_a 156)), 33524#(and (<= proc_a 158) (<= 158 proc_a)), 33525#(and (<= 160 proc_a) (<= proc_a 160)), 33526#(and (<= proc_a 162) (<= 162 proc_a)), 33527#(and (<= 164 proc_a) (<= proc_a 164)), 33528#(and (<= 166 proc_a) (<= proc_a 166)), 33529#(and (<= 168 proc_a) (<= proc_a 168)), 33530#(and (<= 170 proc_a) (<= proc_a 170)), 33531#(and (<= 172 proc_a) (<= proc_a 172)), 33532#(and (<= proc_a 174) (<= 174 proc_a)), 33533#(and (<= 176 proc_a) (<= proc_a 176)), 33534#(and (<= 178 proc_a) (<= proc_a 178)), 33535#(and (<= proc_a 180) (<= 180 proc_a))] [2018-07-23 13:51:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:42,413 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:51:42,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:51:42,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:51:42,415 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 115 states. [2018-07-23 13:51:43,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:43,306 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:51:43,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:51:43,306 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 114 [2018-07-23 13:51:43,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:43,306 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:51:43,306 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 13:51:43,307 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:51:43,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 13:51:43,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-07-23 13:51:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-07-23 13:51:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2018-07-23 13:51:43,311 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 114 [2018-07-23 13:51:43,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:43,311 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2018-07-23 13:51:43,311 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:51:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2018-07-23 13:51:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-23 13:51:43,311 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:43,312 INFO L357 BasicCegarLoop]: trace histogram [113, 1, 1] [2018-07-23 13:51:43,312 INFO L414 AbstractCegarLoop]: === Iteration 114 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:43,312 INFO L82 PathProgramCache]: Analyzing trace with hash -467222815, now seen corresponding path program 113 times [2018-07-23 13:51:43,312 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:43,860 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:43,860 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:51:43,860 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:43,860 INFO L185 omatonBuilderFactory]: Interpolants [34048#(and (<= proc_a 44) (<= 44 proc_a)), 34049#(and (<= proc_a 46) (<= 46 proc_a)), 34050#(and (<= 48 proc_a) (<= proc_a 48)), 34051#(and (<= 50 proc_a) (<= proc_a 50)), 34052#(and (<= 52 proc_a) (<= proc_a 52)), 34053#(and (<= 54 proc_a) (<= proc_a 54)), 34054#(and (<= proc_a 56) (<= 56 proc_a)), 34055#(and (<= proc_a 58) (<= 58 proc_a)), 34056#(and (<= 60 proc_a) (<= proc_a 60)), 34057#(and (<= 62 proc_a) (<= proc_a 62)), 34058#(and (<= 64 proc_a) (<= proc_a 64)), 34059#(and (<= 66 proc_a) (<= proc_a 66)), 34060#(and (<= 68 proc_a) (<= proc_a 68)), 34061#(and (<= proc_a 70) (<= 70 proc_a)), 34062#(and (<= 72 proc_a) (<= proc_a 72)), 34063#(and (<= proc_a 74) (<= 74 proc_a)), 34064#(and (<= proc_a 76) (<= 76 proc_a)), 34065#(and (<= 78 proc_a) (<= proc_a 78)), 34066#(and (<= proc_a 80) (<= 80 proc_a)), 34067#(and (<= 82 proc_a) (<= proc_a 82)), 34068#(and (<= proc_a 84) (<= 84 proc_a)), 34069#(and (<= 86 proc_a) (<= proc_a 86)), 34070#(and (<= 88 proc_a) (<= proc_a 88)), 34071#(and (<= proc_a 90) (<= 90 proc_a)), 34072#(and (<= 92 proc_a) (<= proc_a 92)), 34073#(and (<= proc_a 94) (<= 94 proc_a)), 34074#(and (<= proc_a 96) (<= 96 proc_a)), 34075#(and (<= 98 proc_a) (<= proc_a 98)), 34076#(and (<= proc_a 100) (<= 100 proc_a)), 34077#(and (<= 102 proc_a) (<= proc_a 102)), 34078#(and (<= proc_a 104) (<= 104 proc_a)), 34079#(and (<= 106 proc_a) (<= proc_a 106)), 34080#(and (<= proc_a 108) (<= 108 proc_a)), 34081#(and (<= proc_a 110) (<= 110 proc_a)), 34082#(and (<= proc_a 112) (<= 112 proc_a)), 34083#(and (<= 114 proc_a) (<= proc_a 114)), 34084#(and (<= 116 proc_a) (<= proc_a 116)), 34085#(and (<= proc_a 118) (<= 118 proc_a)), 34086#(and (<= 120 proc_a) (<= proc_a 120)), 34087#(and (<= proc_a 122) (<= 122 proc_a)), 34088#(and (<= proc_a 124) (<= 124 proc_a)), 34089#(and (<= proc_a 126) (<= 126 proc_a)), 34090#(and (<= 128 proc_a) (<= proc_a 128)), 34091#(and (<= proc_a 130) (<= 130 proc_a)), 34092#(and (<= 132 proc_a) (<= proc_a 132)), 34093#(and (<= proc_a 134) (<= 134 proc_a)), 34094#(and (<= proc_a 136) (<= 136 proc_a)), 34095#(and (<= proc_a 138) (<= 138 proc_a)), 34096#(and (<= proc_a 140) (<= 140 proc_a)), 34097#(and (<= 142 proc_a) (<= proc_a 142)), 34098#(and (<= 144 proc_a) (<= proc_a 144)), 34099#(and (<= proc_a 146) (<= 146 proc_a)), 34100#(and (<= 148 proc_a) (<= proc_a 148)), 34101#(and (<= proc_a 150) (<= 150 proc_a)), 34102#(and (<= proc_a 152) (<= 152 proc_a)), 34103#(and (<= 154 proc_a) (<= proc_a 154)), 34104#(and (<= 156 proc_a) (<= proc_a 156)), 34105#(and (<= proc_a 158) (<= 158 proc_a)), 34106#(and (<= 160 proc_a) (<= proc_a 160)), 34107#(and (<= proc_a 162) (<= 162 proc_a)), 34108#(and (<= 164 proc_a) (<= proc_a 164)), 34109#(and (<= 166 proc_a) (<= proc_a 166)), 34110#(and (<= 168 proc_a) (<= proc_a 168)), 34111#(and (<= 170 proc_a) (<= proc_a 170)), 34112#(and (<= 172 proc_a) (<= proc_a 172)), 34113#(and (<= proc_a 174) (<= 174 proc_a)), 34114#(and (<= 176 proc_a) (<= proc_a 176)), 34115#(and (<= 178 proc_a) (<= proc_a 178)), 34116#(and (<= proc_a 180) (<= 180 proc_a)), 34117#(and (<= proc_a 182) (<= 182 proc_a)), 34118#(and (<= 184 proc_a) (<= proc_a 184)), 34119#(and (<= 186 proc_a) (<= proc_a 186)), 34120#(and (<= 188 proc_a) (<= proc_a 188)), 34121#(and (<= 190 proc_a) (<= proc_a 190)), 34122#(and (<= proc_a 192) (<= 192 proc_a)), 34123#(and (<= 194 proc_a) (<= proc_a 194)), 34124#(and (<= proc_a 196) (<= 196 proc_a)), 34125#(and (<= 198 proc_a) (<= proc_a 198)), 34126#(and (<= proc_a 200) (<= 200 proc_a)), 34127#(and (<= proc_a 202) (<= 202 proc_a)), 34128#(and (<= 204 proc_a) (<= proc_a 204)), 34129#(and (<= 206 proc_a) (<= proc_a 206)), 34130#(and (<= 208 proc_a) (<= proc_a 208)), 34131#(and (<= proc_a 210) (<= 210 proc_a)), 34132#(and (<= proc_a 212) (<= 212 proc_a)), 34133#(and (<= 214 proc_a) (<= proc_a 214)), 34134#(and (<= 216 proc_a) (<= proc_a 216)), 34135#(and (<= proc_a 218) (<= 218 proc_a)), 34136#(and (<= proc_a 220) (<= 220 proc_a)), 34137#(and (<= 222 proc_a) (<= proc_a 222)), 34138#(and (<= 224 proc_a) (<= proc_a 224)), 34139#(and (<= proc_a 226) (<= 226 proc_a)), 34024#true, 34025#false, 34026#(and (<= proc_a 0) (<= 0 proc_a)), 34027#(and (<= 2 proc_a) (<= proc_a 2)), 34028#(and (<= 4 proc_a) (<= proc_a 4)), 34029#(and (<= 6 proc_a) (<= proc_a 6)), 34030#(and (<= proc_a 8) (<= 8 proc_a)), 34031#(and (<= 10 proc_a) (<= proc_a 10)), 34032#(and (<= proc_a 12) (<= 12 proc_a)), 34033#(and (<= 14 proc_a) (<= proc_a 14)), 34034#(and (<= proc_a 16) (<= 16 proc_a)), 34035#(and (<= 18 proc_a) (<= proc_a 18)), 34036#(and (<= 20 proc_a) (<= proc_a 20)), 34037#(and (<= 22 proc_a) (<= proc_a 22)), 34038#(and (<= 24 proc_a) (<= proc_a 24)), 34039#(and (<= 26 proc_a) (<= proc_a 26)), 34040#(and (<= proc_a 28) (<= 28 proc_a)), 34041#(and (<= proc_a 30) (<= 30 proc_a)), 34042#(and (<= 32 proc_a) (<= proc_a 32)), 34043#(and (<= 34 proc_a) (<= proc_a 34)), 34044#(and (<= 36 proc_a) (<= proc_a 36)), 34045#(and (<= 38 proc_a) (<= proc_a 38)), 34046#(and (<= 40 proc_a) (<= proc_a 40)), 34047#(and (<= proc_a 42) (<= 42 proc_a))] [2018-07-23 13:51:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:43,861 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:51:43,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:51:43,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:51:43,862 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand 116 states. [2018-07-23 13:51:44,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:44,540 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-07-23 13:51:44,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:51:44,541 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 115 [2018-07-23 13:51:44,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:44,541 INFO L225 Difference]: With dead ends: 118 [2018-07-23 13:51:44,541 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:51:44,542 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:51:44,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:51:44,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:51:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:51:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:51:44,547 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 115 [2018-07-23 13:51:44,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:44,547 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:51:44,547 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:51:44,547 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:51:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:51:44,548 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:44,548 INFO L357 BasicCegarLoop]: trace histogram [114, 1, 1] [2018-07-23 13:51:44,548 INFO L414 AbstractCegarLoop]: === Iteration 115 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:44,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1599005433, now seen corresponding path program 114 times [2018-07-23 13:51:44,548 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:45,091 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:45,092 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:51:45,092 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:45,092 INFO L185 omatonBuilderFactory]: Interpolants [34610#true, 34611#false, 34612#(and (<= proc_a 0) (<= 0 proc_a)), 34613#(and (<= 2 proc_a) (<= proc_a 2)), 34614#(and (<= 4 proc_a) (<= proc_a 4)), 34615#(and (<= 6 proc_a) (<= proc_a 6)), 34616#(and (<= proc_a 8) (<= 8 proc_a)), 34617#(and (<= 10 proc_a) (<= proc_a 10)), 34618#(and (<= proc_a 12) (<= 12 proc_a)), 34619#(and (<= 14 proc_a) (<= proc_a 14)), 34620#(and (<= proc_a 16) (<= 16 proc_a)), 34621#(and (<= 18 proc_a) (<= proc_a 18)), 34622#(and (<= 20 proc_a) (<= proc_a 20)), 34623#(and (<= 22 proc_a) (<= proc_a 22)), 34624#(and (<= 24 proc_a) (<= proc_a 24)), 34625#(and (<= 26 proc_a) (<= proc_a 26)), 34626#(and (<= proc_a 28) (<= 28 proc_a)), 34627#(and (<= proc_a 30) (<= 30 proc_a)), 34628#(and (<= 32 proc_a) (<= proc_a 32)), 34629#(and (<= 34 proc_a) (<= proc_a 34)), 34630#(and (<= 36 proc_a) (<= proc_a 36)), 34631#(and (<= 38 proc_a) (<= proc_a 38)), 34632#(and (<= 40 proc_a) (<= proc_a 40)), 34633#(and (<= proc_a 42) (<= 42 proc_a)), 34634#(and (<= proc_a 44) (<= 44 proc_a)), 34635#(and (<= proc_a 46) (<= 46 proc_a)), 34636#(and (<= 48 proc_a) (<= proc_a 48)), 34637#(and (<= 50 proc_a) (<= proc_a 50)), 34638#(and (<= 52 proc_a) (<= proc_a 52)), 34639#(and (<= 54 proc_a) (<= proc_a 54)), 34640#(and (<= proc_a 56) (<= 56 proc_a)), 34641#(and (<= proc_a 58) (<= 58 proc_a)), 34642#(and (<= 60 proc_a) (<= proc_a 60)), 34643#(and (<= 62 proc_a) (<= proc_a 62)), 34644#(and (<= 64 proc_a) (<= proc_a 64)), 34645#(and (<= 66 proc_a) (<= proc_a 66)), 34646#(and (<= 68 proc_a) (<= proc_a 68)), 34647#(and (<= proc_a 70) (<= 70 proc_a)), 34648#(and (<= 72 proc_a) (<= proc_a 72)), 34649#(and (<= proc_a 74) (<= 74 proc_a)), 34650#(and (<= proc_a 76) (<= 76 proc_a)), 34651#(and (<= 78 proc_a) (<= proc_a 78)), 34652#(and (<= proc_a 80) (<= 80 proc_a)), 34653#(and (<= 82 proc_a) (<= proc_a 82)), 34654#(and (<= proc_a 84) (<= 84 proc_a)), 34655#(and (<= 86 proc_a) (<= proc_a 86)), 34656#(and (<= 88 proc_a) (<= proc_a 88)), 34657#(and (<= proc_a 90) (<= 90 proc_a)), 34658#(and (<= 92 proc_a) (<= proc_a 92)), 34659#(and (<= proc_a 94) (<= 94 proc_a)), 34660#(and (<= proc_a 96) (<= 96 proc_a)), 34661#(and (<= 98 proc_a) (<= proc_a 98)), 34662#(and (<= proc_a 100) (<= 100 proc_a)), 34663#(and (<= 102 proc_a) (<= proc_a 102)), 34664#(and (<= proc_a 104) (<= 104 proc_a)), 34665#(and (<= 106 proc_a) (<= proc_a 106)), 34666#(and (<= proc_a 108) (<= 108 proc_a)), 34667#(and (<= proc_a 110) (<= 110 proc_a)), 34668#(and (<= proc_a 112) (<= 112 proc_a)), 34669#(and (<= 114 proc_a) (<= proc_a 114)), 34670#(and (<= 116 proc_a) (<= proc_a 116)), 34671#(and (<= proc_a 118) (<= 118 proc_a)), 34672#(and (<= 120 proc_a) (<= proc_a 120)), 34673#(and (<= proc_a 122) (<= 122 proc_a)), 34674#(and (<= proc_a 124) (<= 124 proc_a)), 34675#(and (<= proc_a 126) (<= 126 proc_a)), 34676#(and (<= 128 proc_a) (<= proc_a 128)), 34677#(and (<= proc_a 130) (<= 130 proc_a)), 34678#(and (<= 132 proc_a) (<= proc_a 132)), 34679#(and (<= proc_a 134) (<= 134 proc_a)), 34680#(and (<= proc_a 136) (<= 136 proc_a)), 34681#(and (<= proc_a 138) (<= 138 proc_a)), 34682#(and (<= proc_a 140) (<= 140 proc_a)), 34683#(and (<= 142 proc_a) (<= proc_a 142)), 34684#(and (<= 144 proc_a) (<= proc_a 144)), 34685#(and (<= proc_a 146) (<= 146 proc_a)), 34686#(and (<= 148 proc_a) (<= proc_a 148)), 34687#(and (<= proc_a 150) (<= 150 proc_a)), 34688#(and (<= proc_a 152) (<= 152 proc_a)), 34689#(and (<= 154 proc_a) (<= proc_a 154)), 34690#(and (<= 156 proc_a) (<= proc_a 156)), 34691#(and (<= proc_a 158) (<= 158 proc_a)), 34692#(and (<= 160 proc_a) (<= proc_a 160)), 34693#(and (<= proc_a 162) (<= 162 proc_a)), 34694#(and (<= 164 proc_a) (<= proc_a 164)), 34695#(and (<= 166 proc_a) (<= proc_a 166)), 34696#(and (<= 168 proc_a) (<= proc_a 168)), 34697#(and (<= 170 proc_a) (<= proc_a 170)), 34698#(and (<= 172 proc_a) (<= proc_a 172)), 34699#(and (<= proc_a 174) (<= 174 proc_a)), 34700#(and (<= 176 proc_a) (<= proc_a 176)), 34701#(and (<= 178 proc_a) (<= proc_a 178)), 34702#(and (<= proc_a 180) (<= 180 proc_a)), 34703#(and (<= proc_a 182) (<= 182 proc_a)), 34704#(and (<= 184 proc_a) (<= proc_a 184)), 34705#(and (<= 186 proc_a) (<= proc_a 186)), 34706#(and (<= 188 proc_a) (<= proc_a 188)), 34707#(and (<= 190 proc_a) (<= proc_a 190)), 34708#(and (<= proc_a 192) (<= 192 proc_a)), 34709#(and (<= 194 proc_a) (<= proc_a 194)), 34710#(and (<= proc_a 196) (<= 196 proc_a)), 34711#(and (<= 198 proc_a) (<= proc_a 198)), 34712#(and (<= proc_a 200) (<= 200 proc_a)), 34713#(and (<= proc_a 202) (<= 202 proc_a)), 34714#(and (<= 204 proc_a) (<= proc_a 204)), 34715#(and (<= 206 proc_a) (<= proc_a 206)), 34716#(and (<= 208 proc_a) (<= proc_a 208)), 34717#(and (<= proc_a 210) (<= 210 proc_a)), 34718#(and (<= proc_a 212) (<= 212 proc_a)), 34719#(and (<= 214 proc_a) (<= proc_a 214)), 34720#(and (<= 216 proc_a) (<= proc_a 216)), 34721#(and (<= proc_a 218) (<= 218 proc_a)), 34722#(and (<= proc_a 220) (<= 220 proc_a)), 34723#(and (<= 222 proc_a) (<= proc_a 222)), 34724#(and (<= 224 proc_a) (<= proc_a 224)), 34725#(and (<= proc_a 226) (<= 226 proc_a)), 34726#(and (<= 228 proc_a) (<= proc_a 228))] [2018-07-23 13:51:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:45,093 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:51:45,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:51:45,094 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:51:45,094 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 117 states. [2018-07-23 13:51:45,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:45,805 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:51:45,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:51:45,805 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 116 [2018-07-23 13:51:45,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:45,806 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:51:45,806 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 13:51:45,807 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:51:45,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 13:51:45,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-07-23 13:51:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-07-23 13:51:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2018-07-23 13:51:45,810 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 116 [2018-07-23 13:51:45,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:45,810 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2018-07-23 13:51:45,810 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:51:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2018-07-23 13:51:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-07-23 13:51:45,811 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:45,811 INFO L357 BasicCegarLoop]: trace histogram [115, 1, 1] [2018-07-23 13:51:45,811 INFO L414 AbstractCegarLoop]: === Iteration 116 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:45,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1970439073, now seen corresponding path program 115 times [2018-07-23 13:51:45,811 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:46,378 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:46,378 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:51:46,378 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:46,379 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 13:51:46,379 INFO L185 omatonBuilderFactory]: Interpolants [35201#true, 35202#false, 35203#(and (<= proc_a 0) (<= 0 proc_a)), 35204#(and (<= 2 proc_a) (<= proc_a 2)), 35205#(and (<= 4 proc_a) (<= proc_a 4)), 35206#(and (<= 6 proc_a) (<= proc_a 6)), 35207#(and (<= proc_a 8) (<= 8 proc_a)), 35208#(and (<= 10 proc_a) (<= proc_a 10)), 35209#(and (<= proc_a 12) (<= 12 proc_a)), 35210#(and (<= 14 proc_a) (<= proc_a 14)), 35211#(and (<= proc_a 16) (<= 16 proc_a)), 35212#(and (<= 18 proc_a) (<= proc_a 18)), 35213#(and (<= 20 proc_a) (<= proc_a 20)), 35214#(and (<= 22 proc_a) (<= proc_a 22)), 35215#(and (<= 24 proc_a) (<= proc_a 24)), 35216#(and (<= 26 proc_a) (<= proc_a 26)), 35217#(and (<= proc_a 28) (<= 28 proc_a)), 35218#(and (<= proc_a 30) (<= 30 proc_a)), 35219#(and (<= 32 proc_a) (<= proc_a 32)), 35220#(and (<= 34 proc_a) (<= proc_a 34)), 35221#(and (<= 36 proc_a) (<= proc_a 36)), 35222#(and (<= 38 proc_a) (<= proc_a 38)), 35223#(and (<= 40 proc_a) (<= proc_a 40)), 35224#(and (<= proc_a 42) (<= 42 proc_a)), 35225#(and (<= proc_a 44) (<= 44 proc_a)), 35226#(and (<= proc_a 46) (<= 46 proc_a)), 35227#(and (<= 48 proc_a) (<= proc_a 48)), 35228#(and (<= 50 proc_a) (<= proc_a 50)), 35229#(and (<= 52 proc_a) (<= proc_a 52)), 35230#(and (<= 54 proc_a) (<= proc_a 54)), 35231#(and (<= proc_a 56) (<= 56 proc_a)), 35232#(and (<= proc_a 58) (<= 58 proc_a)), 35233#(and (<= 60 proc_a) (<= proc_a 60)), 35234#(and (<= 62 proc_a) (<= proc_a 62)), 35235#(and (<= 64 proc_a) (<= proc_a 64)), 35236#(and (<= 66 proc_a) (<= proc_a 66)), 35237#(and (<= 68 proc_a) (<= proc_a 68)), 35238#(and (<= proc_a 70) (<= 70 proc_a)), 35239#(and (<= 72 proc_a) (<= proc_a 72)), 35240#(and (<= proc_a 74) (<= 74 proc_a)), 35241#(and (<= proc_a 76) (<= 76 proc_a)), 35242#(and (<= 78 proc_a) (<= proc_a 78)), 35243#(and (<= proc_a 80) (<= 80 proc_a)), 35244#(and (<= 82 proc_a) (<= proc_a 82)), 35245#(and (<= proc_a 84) (<= 84 proc_a)), 35246#(and (<= 86 proc_a) (<= proc_a 86)), 35247#(and (<= 88 proc_a) (<= proc_a 88)), 35248#(and (<= proc_a 90) (<= 90 proc_a)), 35249#(and (<= 92 proc_a) (<= proc_a 92)), 35250#(and (<= proc_a 94) (<= 94 proc_a)), 35251#(and (<= proc_a 96) (<= 96 proc_a)), 35252#(and (<= 98 proc_a) (<= proc_a 98)), 35253#(and (<= proc_a 100) (<= 100 proc_a)), 35254#(and (<= 102 proc_a) (<= proc_a 102)), 35255#(and (<= proc_a 104) (<= 104 proc_a)), 35256#(and (<= 106 proc_a) (<= proc_a 106)), 35257#(and (<= proc_a 108) (<= 108 proc_a)), 35258#(and (<= proc_a 110) (<= 110 proc_a)), 35259#(and (<= proc_a 112) (<= 112 proc_a)), 35260#(and (<= 114 proc_a) (<= proc_a 114)), 35261#(and (<= 116 proc_a) (<= proc_a 116)), 35262#(and (<= proc_a 118) (<= 118 proc_a)), 35263#(and (<= 120 proc_a) (<= proc_a 120)), 35264#(and (<= proc_a 122) (<= 122 proc_a)), 35265#(and (<= proc_a 124) (<= 124 proc_a)), 35266#(and (<= proc_a 126) (<= 126 proc_a)), 35267#(and (<= 128 proc_a) (<= proc_a 128)), 35268#(and (<= proc_a 130) (<= 130 proc_a)), 35269#(and (<= 132 proc_a) (<= proc_a 132)), 35270#(and (<= proc_a 134) (<= 134 proc_a)), 35271#(and (<= proc_a 136) (<= 136 proc_a)), 35272#(and (<= proc_a 138) (<= 138 proc_a)), 35273#(and (<= proc_a 140) (<= 140 proc_a)), 35274#(and (<= 142 proc_a) (<= proc_a 142)), 35275#(and (<= 144 proc_a) (<= proc_a 144)), 35276#(and (<= proc_a 146) (<= 146 proc_a)), 35277#(and (<= 148 proc_a) (<= proc_a 148)), 35278#(and (<= proc_a 150) (<= 150 proc_a)), 35279#(and (<= proc_a 152) (<= 152 proc_a)), 35280#(and (<= 154 proc_a) (<= proc_a 154)), 35281#(and (<= 156 proc_a) (<= proc_a 156)), 35282#(and (<= proc_a 158) (<= 158 proc_a)), 35283#(and (<= 160 proc_a) (<= proc_a 160)), 35284#(and (<= proc_a 162) (<= 162 proc_a)), 35285#(and (<= 164 proc_a) (<= proc_a 164)), 35286#(and (<= 166 proc_a) (<= proc_a 166)), 35287#(and (<= 168 proc_a) (<= proc_a 168)), 35288#(and (<= 170 proc_a) (<= proc_a 170)), 35289#(and (<= 172 proc_a) (<= proc_a 172)), 35290#(and (<= proc_a 174) (<= 174 proc_a)), 35291#(and (<= 176 proc_a) (<= proc_a 176)), 35292#(and (<= 178 proc_a) (<= proc_a 178)), 35293#(and (<= proc_a 180) (<= 180 proc_a)), 35294#(and (<= proc_a 182) (<= 182 proc_a)), 35295#(and (<= 184 proc_a) (<= proc_a 184)), 35296#(and (<= 186 proc_a) (<= proc_a 186)), 35297#(and (<= 188 proc_a) (<= proc_a 188)), 35298#(and (<= 190 proc_a) (<= proc_a 190)), 35299#(and (<= proc_a 192) (<= 192 proc_a)), 35300#(and (<= 194 proc_a) (<= proc_a 194)), 35301#(and (<= proc_a 196) (<= 196 proc_a)), 35302#(and (<= 198 proc_a) (<= proc_a 198)), 35303#(and (<= proc_a 200) (<= 200 proc_a)), 35304#(and (<= proc_a 202) (<= 202 proc_a)), 35305#(and (<= 204 proc_a) (<= proc_a 204)), 35306#(and (<= 206 proc_a) (<= proc_a 206)), 35307#(and (<= 208 proc_a) (<= proc_a 208)), 35308#(and (<= proc_a 210) (<= 210 proc_a)), 35309#(and (<= proc_a 212) (<= 212 proc_a)), 35310#(and (<= 214 proc_a) (<= proc_a 214)), 35311#(and (<= 216 proc_a) (<= proc_a 216)), 35312#(and (<= proc_a 218) (<= 218 proc_a)), 35313#(and (<= proc_a 220) (<= 220 proc_a)), 35314#(and (<= 222 proc_a) (<= proc_a 222)), 35315#(and (<= 224 proc_a) (<= proc_a 224)), 35316#(and (<= proc_a 226) (<= 226 proc_a)), 35317#(and (<= 228 proc_a) (<= proc_a 228)), 35318#(and (<= proc_a 230) (<= 230 proc_a))] [2018-07-23 13:51:46,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:46,380 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:51:46,380 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:51:46,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:51:46,381 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand 118 states. [2018-07-23 13:51:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:47,170 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-07-23 13:51:47,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:51:47,171 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 117 [2018-07-23 13:51:47,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:47,171 INFO L225 Difference]: With dead ends: 120 [2018-07-23 13:51:47,171 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:51:47,172 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:51:47,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:51:47,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:51:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:51:47,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:51:47,178 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 117 [2018-07-23 13:51:47,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:47,179 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:51:47,179 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:51:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:51:47,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:51:47,180 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:47,180 INFO L357 BasicCegarLoop]: trace histogram [116, 1, 1] [2018-07-23 13:51:47,180 INFO L414 AbstractCegarLoop]: === Iteration 117 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:47,180 INFO L82 PathProgramCache]: Analyzing trace with hash 954069063, now seen corresponding path program 116 times [2018-07-23 13:51:47,180 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:47,755 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:47,755 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:51:47,755 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:47,756 INFO L185 omatonBuilderFactory]: Interpolants [35840#(and (<= 82 proc_a) (<= proc_a 82)), 35841#(and (<= proc_a 84) (<= 84 proc_a)), 35842#(and (<= 86 proc_a) (<= proc_a 86)), 35843#(and (<= 88 proc_a) (<= proc_a 88)), 35844#(and (<= proc_a 90) (<= 90 proc_a)), 35845#(and (<= 92 proc_a) (<= proc_a 92)), 35846#(and (<= proc_a 94) (<= 94 proc_a)), 35847#(and (<= proc_a 96) (<= 96 proc_a)), 35848#(and (<= 98 proc_a) (<= proc_a 98)), 35849#(and (<= proc_a 100) (<= 100 proc_a)), 35850#(and (<= 102 proc_a) (<= proc_a 102)), 35851#(and (<= proc_a 104) (<= 104 proc_a)), 35852#(and (<= 106 proc_a) (<= proc_a 106)), 35853#(and (<= proc_a 108) (<= 108 proc_a)), 35854#(and (<= proc_a 110) (<= 110 proc_a)), 35855#(and (<= proc_a 112) (<= 112 proc_a)), 35856#(and (<= 114 proc_a) (<= proc_a 114)), 35857#(and (<= 116 proc_a) (<= proc_a 116)), 35858#(and (<= proc_a 118) (<= 118 proc_a)), 35859#(and (<= 120 proc_a) (<= proc_a 120)), 35860#(and (<= proc_a 122) (<= 122 proc_a)), 35861#(and (<= proc_a 124) (<= 124 proc_a)), 35862#(and (<= proc_a 126) (<= 126 proc_a)), 35863#(and (<= 128 proc_a) (<= proc_a 128)), 35864#(and (<= proc_a 130) (<= 130 proc_a)), 35865#(and (<= 132 proc_a) (<= proc_a 132)), 35866#(and (<= proc_a 134) (<= 134 proc_a)), 35867#(and (<= proc_a 136) (<= 136 proc_a)), 35868#(and (<= proc_a 138) (<= 138 proc_a)), 35869#(and (<= proc_a 140) (<= 140 proc_a)), 35870#(and (<= 142 proc_a) (<= proc_a 142)), 35871#(and (<= 144 proc_a) (<= proc_a 144)), 35872#(and (<= proc_a 146) (<= 146 proc_a)), 35873#(and (<= 148 proc_a) (<= proc_a 148)), 35874#(and (<= proc_a 150) (<= 150 proc_a)), 35875#(and (<= proc_a 152) (<= 152 proc_a)), 35876#(and (<= 154 proc_a) (<= proc_a 154)), 35877#(and (<= 156 proc_a) (<= proc_a 156)), 35878#(and (<= proc_a 158) (<= 158 proc_a)), 35879#(and (<= 160 proc_a) (<= proc_a 160)), 35880#(and (<= proc_a 162) (<= 162 proc_a)), 35881#(and (<= 164 proc_a) (<= proc_a 164)), 35882#(and (<= 166 proc_a) (<= proc_a 166)), 35883#(and (<= 168 proc_a) (<= proc_a 168)), 35884#(and (<= 170 proc_a) (<= proc_a 170)), 35885#(and (<= 172 proc_a) (<= proc_a 172)), 35886#(and (<= proc_a 174) (<= 174 proc_a)), 35887#(and (<= 176 proc_a) (<= proc_a 176)), 35888#(and (<= 178 proc_a) (<= proc_a 178)), 35889#(and (<= proc_a 180) (<= 180 proc_a)), 35890#(and (<= proc_a 182) (<= 182 proc_a)), 35891#(and (<= 184 proc_a) (<= proc_a 184)), 35892#(and (<= 186 proc_a) (<= proc_a 186)), 35893#(and (<= 188 proc_a) (<= proc_a 188)), 35894#(and (<= 190 proc_a) (<= proc_a 190)), 35895#(and (<= proc_a 192) (<= 192 proc_a)), 35896#(and (<= 194 proc_a) (<= proc_a 194)), 35897#(and (<= proc_a 196) (<= 196 proc_a)), 35898#(and (<= 198 proc_a) (<= proc_a 198)), 35899#(and (<= proc_a 200) (<= 200 proc_a)), 35900#(and (<= proc_a 202) (<= 202 proc_a)), 35901#(and (<= 204 proc_a) (<= proc_a 204)), 35902#(and (<= 206 proc_a) (<= proc_a 206)), 35903#(and (<= 208 proc_a) (<= proc_a 208)), 35904#(and (<= proc_a 210) (<= 210 proc_a)), 35905#(and (<= proc_a 212) (<= 212 proc_a)), 35906#(and (<= 214 proc_a) (<= proc_a 214)), 35907#(and (<= 216 proc_a) (<= proc_a 216)), 35908#(and (<= proc_a 218) (<= 218 proc_a)), 35909#(and (<= proc_a 220) (<= 220 proc_a)), 35910#(and (<= 222 proc_a) (<= proc_a 222)), 35911#(and (<= 224 proc_a) (<= proc_a 224)), 35912#(and (<= proc_a 226) (<= 226 proc_a)), 35913#(and (<= 228 proc_a) (<= proc_a 228)), 35914#(and (<= proc_a 230) (<= 230 proc_a)), 35915#(and (<= 232 proc_a) (<= proc_a 232)), 35797#true, 35798#false, 35799#(and (<= proc_a 0) (<= 0 proc_a)), 35800#(and (<= 2 proc_a) (<= proc_a 2)), 35801#(and (<= 4 proc_a) (<= proc_a 4)), 35802#(and (<= 6 proc_a) (<= proc_a 6)), 35803#(and (<= proc_a 8) (<= 8 proc_a)), 35804#(and (<= 10 proc_a) (<= proc_a 10)), 35805#(and (<= proc_a 12) (<= 12 proc_a)), 35806#(and (<= 14 proc_a) (<= proc_a 14)), 35807#(and (<= proc_a 16) (<= 16 proc_a)), 35808#(and (<= 18 proc_a) (<= proc_a 18)), 35809#(and (<= 20 proc_a) (<= proc_a 20)), 35810#(and (<= 22 proc_a) (<= proc_a 22)), 35811#(and (<= 24 proc_a) (<= proc_a 24)), 35812#(and (<= 26 proc_a) (<= proc_a 26)), 35813#(and (<= proc_a 28) (<= 28 proc_a)), 35814#(and (<= proc_a 30) (<= 30 proc_a)), 35815#(and (<= 32 proc_a) (<= proc_a 32)), 35816#(and (<= 34 proc_a) (<= proc_a 34)), 35817#(and (<= 36 proc_a) (<= proc_a 36)), 35818#(and (<= 38 proc_a) (<= proc_a 38)), 35819#(and (<= 40 proc_a) (<= proc_a 40)), 35820#(and (<= proc_a 42) (<= 42 proc_a)), 35821#(and (<= proc_a 44) (<= 44 proc_a)), 35822#(and (<= proc_a 46) (<= 46 proc_a)), 35823#(and (<= 48 proc_a) (<= proc_a 48)), 35824#(and (<= 50 proc_a) (<= proc_a 50)), 35825#(and (<= 52 proc_a) (<= proc_a 52)), 35826#(and (<= 54 proc_a) (<= proc_a 54)), 35827#(and (<= proc_a 56) (<= 56 proc_a)), 35828#(and (<= proc_a 58) (<= 58 proc_a)), 35829#(and (<= 60 proc_a) (<= proc_a 60)), 35830#(and (<= 62 proc_a) (<= proc_a 62)), 35831#(and (<= 64 proc_a) (<= proc_a 64)), 35832#(and (<= 66 proc_a) (<= proc_a 66)), 35833#(and (<= 68 proc_a) (<= proc_a 68)), 35834#(and (<= proc_a 70) (<= 70 proc_a)), 35835#(and (<= 72 proc_a) (<= proc_a 72)), 35836#(and (<= proc_a 74) (<= 74 proc_a)), 35837#(and (<= proc_a 76) (<= 76 proc_a)), 35838#(and (<= 78 proc_a) (<= proc_a 78)), 35839#(and (<= proc_a 80) (<= 80 proc_a))] [2018-07-23 13:51:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:47,757 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:51:47,757 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:51:47,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:51:47,758 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 119 states. [2018-07-23 13:51:48,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:48,469 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:51:48,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:51:48,469 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 118 [2018-07-23 13:51:48,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:48,470 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:51:48,470 INFO L226 Difference]: Without dead ends: 120 [2018-07-23 13:51:48,471 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:51:48,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-07-23 13:51:48,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-07-23 13:51:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-07-23 13:51:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-07-23 13:51:48,477 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 118 [2018-07-23 13:51:48,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:48,477 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-07-23 13:51:48,477 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:51:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-07-23 13:51:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-23 13:51:48,478 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:48,478 INFO L357 BasicCegarLoop]: trace histogram [117, 1, 1] [2018-07-23 13:51:48,478 INFO L414 AbstractCegarLoop]: === Iteration 118 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:48,478 INFO L82 PathProgramCache]: Analyzing trace with hash -488630175, now seen corresponding path program 117 times [2018-07-23 13:51:48,478 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:49,062 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:49,062 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:51:49,062 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:49,062 INFO L185 omatonBuilderFactory]: Interpolants [36398#true, 36399#false, 36400#(and (<= proc_a 0) (<= 0 proc_a)), 36401#(and (<= 2 proc_a) (<= proc_a 2)), 36402#(and (<= 4 proc_a) (<= proc_a 4)), 36403#(and (<= 6 proc_a) (<= proc_a 6)), 36404#(and (<= proc_a 8) (<= 8 proc_a)), 36405#(and (<= 10 proc_a) (<= proc_a 10)), 36406#(and (<= proc_a 12) (<= 12 proc_a)), 36407#(and (<= 14 proc_a) (<= proc_a 14)), 36408#(and (<= proc_a 16) (<= 16 proc_a)), 36409#(and (<= 18 proc_a) (<= proc_a 18)), 36410#(and (<= 20 proc_a) (<= proc_a 20)), 36411#(and (<= 22 proc_a) (<= proc_a 22)), 36412#(and (<= 24 proc_a) (<= proc_a 24)), 36413#(and (<= 26 proc_a) (<= proc_a 26)), 36414#(and (<= proc_a 28) (<= 28 proc_a)), 36415#(and (<= proc_a 30) (<= 30 proc_a)), 36416#(and (<= 32 proc_a) (<= proc_a 32)), 36417#(and (<= 34 proc_a) (<= proc_a 34)), 36418#(and (<= 36 proc_a) (<= proc_a 36)), 36419#(and (<= 38 proc_a) (<= proc_a 38)), 36420#(and (<= 40 proc_a) (<= proc_a 40)), 36421#(and (<= proc_a 42) (<= 42 proc_a)), 36422#(and (<= proc_a 44) (<= 44 proc_a)), 36423#(and (<= proc_a 46) (<= 46 proc_a)), 36424#(and (<= 48 proc_a) (<= proc_a 48)), 36425#(and (<= 50 proc_a) (<= proc_a 50)), 36426#(and (<= 52 proc_a) (<= proc_a 52)), 36427#(and (<= 54 proc_a) (<= proc_a 54)), 36428#(and (<= proc_a 56) (<= 56 proc_a)), 36429#(and (<= proc_a 58) (<= 58 proc_a)), 36430#(and (<= 60 proc_a) (<= proc_a 60)), 36431#(and (<= 62 proc_a) (<= proc_a 62)), 36432#(and (<= 64 proc_a) (<= proc_a 64)), 36433#(and (<= 66 proc_a) (<= proc_a 66)), 36434#(and (<= 68 proc_a) (<= proc_a 68)), 36435#(and (<= proc_a 70) (<= 70 proc_a)), 36436#(and (<= 72 proc_a) (<= proc_a 72)), 36437#(and (<= proc_a 74) (<= 74 proc_a)), 36438#(and (<= proc_a 76) (<= 76 proc_a)), 36439#(and (<= 78 proc_a) (<= proc_a 78)), 36440#(and (<= proc_a 80) (<= 80 proc_a)), 36441#(and (<= 82 proc_a) (<= proc_a 82)), 36442#(and (<= proc_a 84) (<= 84 proc_a)), 36443#(and (<= 86 proc_a) (<= proc_a 86)), 36444#(and (<= 88 proc_a) (<= proc_a 88)), 36445#(and (<= proc_a 90) (<= 90 proc_a)), 36446#(and (<= 92 proc_a) (<= proc_a 92)), 36447#(and (<= proc_a 94) (<= 94 proc_a)), 36448#(and (<= proc_a 96) (<= 96 proc_a)), 36449#(and (<= 98 proc_a) (<= proc_a 98)), 36450#(and (<= proc_a 100) (<= 100 proc_a)), 36451#(and (<= 102 proc_a) (<= proc_a 102)), 36452#(and (<= proc_a 104) (<= 104 proc_a)), 36453#(and (<= 106 proc_a) (<= proc_a 106)), 36454#(and (<= proc_a 108) (<= 108 proc_a)), 36455#(and (<= proc_a 110) (<= 110 proc_a)), 36456#(and (<= proc_a 112) (<= 112 proc_a)), 36457#(and (<= 114 proc_a) (<= proc_a 114)), 36458#(and (<= 116 proc_a) (<= proc_a 116)), 36459#(and (<= proc_a 118) (<= 118 proc_a)), 36460#(and (<= 120 proc_a) (<= proc_a 120)), 36461#(and (<= proc_a 122) (<= 122 proc_a)), 36462#(and (<= proc_a 124) (<= 124 proc_a)), 36463#(and (<= proc_a 126) (<= 126 proc_a)), 36464#(and (<= 128 proc_a) (<= proc_a 128)), 36465#(and (<= proc_a 130) (<= 130 proc_a)), 36466#(and (<= 132 proc_a) (<= proc_a 132)), 36467#(and (<= proc_a 134) (<= 134 proc_a)), 36468#(and (<= proc_a 136) (<= 136 proc_a)), 36469#(and (<= proc_a 138) (<= 138 proc_a)), 36470#(and (<= proc_a 140) (<= 140 proc_a)), 36471#(and (<= 142 proc_a) (<= proc_a 142)), 36472#(and (<= 144 proc_a) (<= proc_a 144)), 36473#(and (<= proc_a 146) (<= 146 proc_a)), 36474#(and (<= 148 proc_a) (<= proc_a 148)), 36475#(and (<= proc_a 150) (<= 150 proc_a)), 36476#(and (<= proc_a 152) (<= 152 proc_a)), 36477#(and (<= 154 proc_a) (<= proc_a 154)), 36478#(and (<= 156 proc_a) (<= proc_a 156)), 36479#(and (<= proc_a 158) (<= 158 proc_a)), 36480#(and (<= 160 proc_a) (<= proc_a 160)), 36481#(and (<= proc_a 162) (<= 162 proc_a)), 36482#(and (<= 164 proc_a) (<= proc_a 164)), 36483#(and (<= 166 proc_a) (<= proc_a 166)), 36484#(and (<= 168 proc_a) (<= proc_a 168)), 36485#(and (<= 170 proc_a) (<= proc_a 170)), 36486#(and (<= 172 proc_a) (<= proc_a 172)), 36487#(and (<= proc_a 174) (<= 174 proc_a)), 36488#(and (<= 176 proc_a) (<= proc_a 176)), 36489#(and (<= 178 proc_a) (<= proc_a 178)), 36490#(and (<= proc_a 180) (<= 180 proc_a)), 36491#(and (<= proc_a 182) (<= 182 proc_a)), 36492#(and (<= 184 proc_a) (<= proc_a 184)), 36493#(and (<= 186 proc_a) (<= proc_a 186)), 36494#(and (<= 188 proc_a) (<= proc_a 188)), 36495#(and (<= 190 proc_a) (<= proc_a 190)), 36496#(and (<= proc_a 192) (<= 192 proc_a)), 36497#(and (<= 194 proc_a) (<= proc_a 194)), 36498#(and (<= proc_a 196) (<= 196 proc_a)), 36499#(and (<= 198 proc_a) (<= proc_a 198)), 36500#(and (<= proc_a 200) (<= 200 proc_a)), 36501#(and (<= proc_a 202) (<= 202 proc_a)), 36502#(and (<= 204 proc_a) (<= proc_a 204)), 36503#(and (<= 206 proc_a) (<= proc_a 206)), 36504#(and (<= 208 proc_a) (<= proc_a 208)), 36505#(and (<= proc_a 210) (<= 210 proc_a)), 36506#(and (<= proc_a 212) (<= 212 proc_a)), 36507#(and (<= 214 proc_a) (<= proc_a 214)), 36508#(and (<= 216 proc_a) (<= proc_a 216)), 36509#(and (<= proc_a 218) (<= 218 proc_a)), 36510#(and (<= proc_a 220) (<= 220 proc_a)), 36511#(and (<= 222 proc_a) (<= proc_a 222)), 36512#(and (<= 224 proc_a) (<= proc_a 224)), 36513#(and (<= proc_a 226) (<= 226 proc_a)), 36514#(and (<= 228 proc_a) (<= proc_a 228)), 36515#(and (<= proc_a 230) (<= 230 proc_a)), 36516#(and (<= 232 proc_a) (<= proc_a 232)), 36517#(and (<= proc_a 234) (<= 234 proc_a))] [2018-07-23 13:51:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:49,063 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:51:49,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:51:49,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:51:49,064 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 120 states. [2018-07-23 13:51:49,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:49,821 INFO L93 Difference]: Finished difference Result 122 states and 122 transitions. [2018-07-23 13:51:49,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:51:49,822 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 119 [2018-07-23 13:51:49,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:49,822 INFO L225 Difference]: With dead ends: 122 [2018-07-23 13:51:49,822 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:51:49,823 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:51:49,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:51:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:51:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:51:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:51:49,829 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 119 [2018-07-23 13:51:49,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:49,829 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:51:49,829 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:51:49,830 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:51:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:51:49,830 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:49,830 INFO L357 BasicCegarLoop]: trace histogram [118, 1, 1] [2018-07-23 13:51:49,830 INFO L414 AbstractCegarLoop]: === Iteration 119 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:49,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2032333703, now seen corresponding path program 118 times [2018-07-23 13:51:49,831 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:50,431 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:50,431 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:51:50,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:50,431 INFO L185 omatonBuilderFactory]: Interpolants [37120#(and (<= 228 proc_a) (<= proc_a 228)), 37121#(and (<= proc_a 230) (<= 230 proc_a)), 37122#(and (<= 232 proc_a) (<= proc_a 232)), 37123#(and (<= proc_a 234) (<= 234 proc_a)), 37124#(and (<= proc_a 236) (<= 236 proc_a)), 37004#true, 37005#false, 37006#(and (<= proc_a 0) (<= 0 proc_a)), 37007#(and (<= 2 proc_a) (<= proc_a 2)), 37008#(and (<= 4 proc_a) (<= proc_a 4)), 37009#(and (<= 6 proc_a) (<= proc_a 6)), 37010#(and (<= proc_a 8) (<= 8 proc_a)), 37011#(and (<= 10 proc_a) (<= proc_a 10)), 37012#(and (<= proc_a 12) (<= 12 proc_a)), 37013#(and (<= 14 proc_a) (<= proc_a 14)), 37014#(and (<= proc_a 16) (<= 16 proc_a)), 37015#(and (<= 18 proc_a) (<= proc_a 18)), 37016#(and (<= 20 proc_a) (<= proc_a 20)), 37017#(and (<= 22 proc_a) (<= proc_a 22)), 37018#(and (<= 24 proc_a) (<= proc_a 24)), 37019#(and (<= 26 proc_a) (<= proc_a 26)), 37020#(and (<= proc_a 28) (<= 28 proc_a)), 37021#(and (<= proc_a 30) (<= 30 proc_a)), 37022#(and (<= 32 proc_a) (<= proc_a 32)), 37023#(and (<= 34 proc_a) (<= proc_a 34)), 37024#(and (<= 36 proc_a) (<= proc_a 36)), 37025#(and (<= 38 proc_a) (<= proc_a 38)), 37026#(and (<= 40 proc_a) (<= proc_a 40)), 37027#(and (<= proc_a 42) (<= 42 proc_a)), 37028#(and (<= proc_a 44) (<= 44 proc_a)), 37029#(and (<= proc_a 46) (<= 46 proc_a)), 37030#(and (<= 48 proc_a) (<= proc_a 48)), 37031#(and (<= 50 proc_a) (<= proc_a 50)), 37032#(and (<= 52 proc_a) (<= proc_a 52)), 37033#(and (<= 54 proc_a) (<= proc_a 54)), 37034#(and (<= proc_a 56) (<= 56 proc_a)), 37035#(and (<= proc_a 58) (<= 58 proc_a)), 37036#(and (<= 60 proc_a) (<= proc_a 60)), 37037#(and (<= 62 proc_a) (<= proc_a 62)), 37038#(and (<= 64 proc_a) (<= proc_a 64)), 37039#(and (<= 66 proc_a) (<= proc_a 66)), 37040#(and (<= 68 proc_a) (<= proc_a 68)), 37041#(and (<= proc_a 70) (<= 70 proc_a)), 37042#(and (<= 72 proc_a) (<= proc_a 72)), 37043#(and (<= proc_a 74) (<= 74 proc_a)), 37044#(and (<= proc_a 76) (<= 76 proc_a)), 37045#(and (<= 78 proc_a) (<= proc_a 78)), 37046#(and (<= proc_a 80) (<= 80 proc_a)), 37047#(and (<= 82 proc_a) (<= proc_a 82)), 37048#(and (<= proc_a 84) (<= 84 proc_a)), 37049#(and (<= 86 proc_a) (<= proc_a 86)), 37050#(and (<= 88 proc_a) (<= proc_a 88)), 37051#(and (<= proc_a 90) (<= 90 proc_a)), 37052#(and (<= 92 proc_a) (<= proc_a 92)), 37053#(and (<= proc_a 94) (<= 94 proc_a)), 37054#(and (<= proc_a 96) (<= 96 proc_a)), 37055#(and (<= 98 proc_a) (<= proc_a 98)), 37056#(and (<= proc_a 100) (<= 100 proc_a)), 37057#(and (<= 102 proc_a) (<= proc_a 102)), 37058#(and (<= proc_a 104) (<= 104 proc_a)), 37059#(and (<= 106 proc_a) (<= proc_a 106)), 37060#(and (<= proc_a 108) (<= 108 proc_a)), 37061#(and (<= proc_a 110) (<= 110 proc_a)), 37062#(and (<= proc_a 112) (<= 112 proc_a)), 37063#(and (<= 114 proc_a) (<= proc_a 114)), 37064#(and (<= 116 proc_a) (<= proc_a 116)), 37065#(and (<= proc_a 118) (<= 118 proc_a)), 37066#(and (<= 120 proc_a) (<= proc_a 120)), 37067#(and (<= proc_a 122) (<= 122 proc_a)), 37068#(and (<= proc_a 124) (<= 124 proc_a)), 37069#(and (<= proc_a 126) (<= 126 proc_a)), 37070#(and (<= 128 proc_a) (<= proc_a 128)), 37071#(and (<= proc_a 130) (<= 130 proc_a)), 37072#(and (<= 132 proc_a) (<= proc_a 132)), 37073#(and (<= proc_a 134) (<= 134 proc_a)), 37074#(and (<= proc_a 136) (<= 136 proc_a)), 37075#(and (<= proc_a 138) (<= 138 proc_a)), 37076#(and (<= proc_a 140) (<= 140 proc_a)), 37077#(and (<= 142 proc_a) (<= proc_a 142)), 37078#(and (<= 144 proc_a) (<= proc_a 144)), 37079#(and (<= proc_a 146) (<= 146 proc_a)), 37080#(and (<= 148 proc_a) (<= proc_a 148)), 37081#(and (<= proc_a 150) (<= 150 proc_a)), 37082#(and (<= proc_a 152) (<= 152 proc_a)), 37083#(and (<= 154 proc_a) (<= proc_a 154)), 37084#(and (<= 156 proc_a) (<= proc_a 156)), 37085#(and (<= proc_a 158) (<= 158 proc_a)), 37086#(and (<= 160 proc_a) (<= proc_a 160)), 37087#(and (<= proc_a 162) (<= 162 proc_a)), 37088#(and (<= 164 proc_a) (<= proc_a 164)), 37089#(and (<= 166 proc_a) (<= proc_a 166)), 37090#(and (<= 168 proc_a) (<= proc_a 168)), 37091#(and (<= 170 proc_a) (<= proc_a 170)), 37092#(and (<= 172 proc_a) (<= proc_a 172)), 37093#(and (<= proc_a 174) (<= 174 proc_a)), 37094#(and (<= 176 proc_a) (<= proc_a 176)), 37095#(and (<= 178 proc_a) (<= proc_a 178)), 37096#(and (<= proc_a 180) (<= 180 proc_a)), 37097#(and (<= proc_a 182) (<= 182 proc_a)), 37098#(and (<= 184 proc_a) (<= proc_a 184)), 37099#(and (<= 186 proc_a) (<= proc_a 186)), 37100#(and (<= 188 proc_a) (<= proc_a 188)), 37101#(and (<= 190 proc_a) (<= proc_a 190)), 37102#(and (<= proc_a 192) (<= 192 proc_a)), 37103#(and (<= 194 proc_a) (<= proc_a 194)), 37104#(and (<= proc_a 196) (<= 196 proc_a)), 37105#(and (<= 198 proc_a) (<= proc_a 198)), 37106#(and (<= proc_a 200) (<= 200 proc_a)), 37107#(and (<= proc_a 202) (<= 202 proc_a)), 37108#(and (<= 204 proc_a) (<= proc_a 204)), 37109#(and (<= 206 proc_a) (<= proc_a 206)), 37110#(and (<= 208 proc_a) (<= proc_a 208)), 37111#(and (<= proc_a 210) (<= 210 proc_a)), 37112#(and (<= proc_a 212) (<= 212 proc_a)), 37113#(and (<= 214 proc_a) (<= proc_a 214)), 37114#(and (<= 216 proc_a) (<= proc_a 216)), 37115#(and (<= proc_a 218) (<= 218 proc_a)), 37116#(and (<= proc_a 220) (<= 220 proc_a)), 37117#(and (<= 222 proc_a) (<= proc_a 222)), 37118#(and (<= 224 proc_a) (<= proc_a 224)), 37119#(and (<= proc_a 226) (<= 226 proc_a))] [2018-07-23 13:51:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:50,432 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:51:50,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:51:50,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:51:50,433 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 121 states. [2018-07-23 13:51:51,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:51,185 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:51:51,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:51:51,185 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 120 [2018-07-23 13:51:51,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:51,186 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:51:51,186 INFO L226 Difference]: Without dead ends: 122 [2018-07-23 13:51:51,186 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:51:51,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-07-23 13:51:51,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-07-23 13:51:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-07-23 13:51:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 122 transitions. [2018-07-23 13:51:51,191 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 122 transitions. Word has length 120 [2018-07-23 13:51:51,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:51,191 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 122 transitions. [2018-07-23 13:51:51,191 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:51:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 122 transitions. [2018-07-23 13:51:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-23 13:51:51,191 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:51,192 INFO L357 BasicCegarLoop]: trace histogram [119, 1, 1] [2018-07-23 13:51:51,192 INFO L414 AbstractCegarLoop]: === Iteration 120 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:51,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1422164703, now seen corresponding path program 119 times [2018-07-23 13:51:51,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:51,801 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 13:51:51,802 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:51,802 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:51:51,802 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:51,802 INFO L185 omatonBuilderFactory]: Interpolants [37632#(and (<= proc_a 30) (<= 30 proc_a)), 37633#(and (<= 32 proc_a) (<= proc_a 32)), 37634#(and (<= 34 proc_a) (<= proc_a 34)), 37635#(and (<= 36 proc_a) (<= proc_a 36)), 37636#(and (<= 38 proc_a) (<= proc_a 38)), 37637#(and (<= 40 proc_a) (<= proc_a 40)), 37638#(and (<= proc_a 42) (<= 42 proc_a)), 37639#(and (<= proc_a 44) (<= 44 proc_a)), 37640#(and (<= proc_a 46) (<= 46 proc_a)), 37641#(and (<= 48 proc_a) (<= proc_a 48)), 37642#(and (<= 50 proc_a) (<= proc_a 50)), 37643#(and (<= 52 proc_a) (<= proc_a 52)), 37644#(and (<= 54 proc_a) (<= proc_a 54)), 37645#(and (<= proc_a 56) (<= 56 proc_a)), 37646#(and (<= proc_a 58) (<= 58 proc_a)), 37647#(and (<= 60 proc_a) (<= proc_a 60)), 37648#(and (<= 62 proc_a) (<= proc_a 62)), 37649#(and (<= 64 proc_a) (<= proc_a 64)), 37650#(and (<= 66 proc_a) (<= proc_a 66)), 37651#(and (<= 68 proc_a) (<= proc_a 68)), 37652#(and (<= proc_a 70) (<= 70 proc_a)), 37653#(and (<= 72 proc_a) (<= proc_a 72)), 37654#(and (<= proc_a 74) (<= 74 proc_a)), 37655#(and (<= proc_a 76) (<= 76 proc_a)), 37656#(and (<= 78 proc_a) (<= proc_a 78)), 37657#(and (<= proc_a 80) (<= 80 proc_a)), 37658#(and (<= 82 proc_a) (<= proc_a 82)), 37659#(and (<= proc_a 84) (<= 84 proc_a)), 37660#(and (<= 86 proc_a) (<= proc_a 86)), 37661#(and (<= 88 proc_a) (<= proc_a 88)), 37662#(and (<= proc_a 90) (<= 90 proc_a)), 37663#(and (<= 92 proc_a) (<= proc_a 92)), 37664#(and (<= proc_a 94) (<= 94 proc_a)), 37665#(and (<= proc_a 96) (<= 96 proc_a)), 37666#(and (<= 98 proc_a) (<= proc_a 98)), 37667#(and (<= proc_a 100) (<= 100 proc_a)), 37668#(and (<= 102 proc_a) (<= proc_a 102)), 37669#(and (<= proc_a 104) (<= 104 proc_a)), 37670#(and (<= 106 proc_a) (<= proc_a 106)), 37671#(and (<= proc_a 108) (<= 108 proc_a)), 37672#(and (<= proc_a 110) (<= 110 proc_a)), 37673#(and (<= proc_a 112) (<= 112 proc_a)), 37674#(and (<= 114 proc_a) (<= proc_a 114)), 37675#(and (<= 116 proc_a) (<= proc_a 116)), 37676#(and (<= proc_a 118) (<= 118 proc_a)), 37677#(and (<= 120 proc_a) (<= proc_a 120)), 37678#(and (<= proc_a 122) (<= 122 proc_a)), 37679#(and (<= proc_a 124) (<= 124 proc_a)), 37680#(and (<= proc_a 126) (<= 126 proc_a)), 37681#(and (<= 128 proc_a) (<= proc_a 128)), 37682#(and (<= proc_a 130) (<= 130 proc_a)), 37683#(and (<= 132 proc_a) (<= proc_a 132)), 37684#(and (<= proc_a 134) (<= 134 proc_a)), 37685#(and (<= proc_a 136) (<= 136 proc_a)), 37686#(and (<= proc_a 138) (<= 138 proc_a)), 37687#(and (<= proc_a 140) (<= 140 proc_a)), 37688#(and (<= 142 proc_a) (<= proc_a 142)), 37689#(and (<= 144 proc_a) (<= proc_a 144)), 37690#(and (<= proc_a 146) (<= 146 proc_a)), 37691#(and (<= 148 proc_a) (<= proc_a 148)), 37692#(and (<= proc_a 150) (<= 150 proc_a)), 37693#(and (<= proc_a 152) (<= 152 proc_a)), 37694#(and (<= 154 proc_a) (<= proc_a 154)), 37695#(and (<= 156 proc_a) (<= proc_a 156)), 37696#(and (<= proc_a 158) (<= 158 proc_a)), 37697#(and (<= 160 proc_a) (<= proc_a 160)), 37698#(and (<= proc_a 162) (<= 162 proc_a)), 37699#(and (<= 164 proc_a) (<= proc_a 164)), 37700#(and (<= 166 proc_a) (<= proc_a 166)), 37701#(and (<= 168 proc_a) (<= proc_a 168)), 37702#(and (<= 170 proc_a) (<= proc_a 170)), 37703#(and (<= 172 proc_a) (<= proc_a 172)), 37704#(and (<= proc_a 174) (<= 174 proc_a)), 37705#(and (<= 176 proc_a) (<= proc_a 176)), 37706#(and (<= 178 proc_a) (<= proc_a 178)), 37707#(and (<= proc_a 180) (<= 180 proc_a)), 37708#(and (<= proc_a 182) (<= 182 proc_a)), 37709#(and (<= 184 proc_a) (<= proc_a 184)), 37710#(and (<= 186 proc_a) (<= proc_a 186)), 37711#(and (<= 188 proc_a) (<= proc_a 188)), 37712#(and (<= 190 proc_a) (<= proc_a 190)), 37713#(and (<= proc_a 192) (<= 192 proc_a)), 37714#(and (<= 194 proc_a) (<= proc_a 194)), 37715#(and (<= proc_a 196) (<= 196 proc_a)), 37716#(and (<= 198 proc_a) (<= proc_a 198)), 37717#(and (<= proc_a 200) (<= 200 proc_a)), 37718#(and (<= proc_a 202) (<= 202 proc_a)), 37719#(and (<= 204 proc_a) (<= proc_a 204)), 37720#(and (<= 206 proc_a) (<= proc_a 206)), 37721#(and (<= 208 proc_a) (<= proc_a 208)), 37722#(and (<= proc_a 210) (<= 210 proc_a)), 37723#(and (<= proc_a 212) (<= 212 proc_a)), 37724#(and (<= 214 proc_a) (<= proc_a 214)), 37725#(and (<= 216 proc_a) (<= proc_a 216)), 37726#(and (<= proc_a 218) (<= 218 proc_a)), 37727#(and (<= proc_a 220) (<= 220 proc_a)), 37728#(and (<= 222 proc_a) (<= proc_a 222)), 37729#(and (<= 224 proc_a) (<= proc_a 224)), 37730#(and (<= proc_a 226) (<= 226 proc_a)), 37731#(and (<= 228 proc_a) (<= proc_a 228)), 37732#(and (<= proc_a 230) (<= 230 proc_a)), 37733#(and (<= 232 proc_a) (<= proc_a 232)), 37734#(and (<= proc_a 234) (<= 234 proc_a)), 37735#(and (<= proc_a 236) (<= 236 proc_a)), 37736#(and (<= 238 proc_a) (<= proc_a 238)), 37615#true, 37616#false, 37617#(and (<= proc_a 0) (<= 0 proc_a)), 37618#(and (<= 2 proc_a) (<= proc_a 2)), 37619#(and (<= 4 proc_a) (<= proc_a 4)), 37620#(and (<= 6 proc_a) (<= proc_a 6)), 37621#(and (<= proc_a 8) (<= 8 proc_a)), 37622#(and (<= 10 proc_a) (<= proc_a 10)), 37623#(and (<= proc_a 12) (<= 12 proc_a)), 37624#(and (<= 14 proc_a) (<= proc_a 14)), 37625#(and (<= proc_a 16) (<= 16 proc_a)), 37626#(and (<= 18 proc_a) (<= proc_a 18)), 37627#(and (<= 20 proc_a) (<= proc_a 20)), 37628#(and (<= 22 proc_a) (<= proc_a 22)), 37629#(and (<= 24 proc_a) (<= proc_a 24)), 37630#(and (<= 26 proc_a) (<= proc_a 26)), 37631#(and (<= proc_a 28) (<= 28 proc_a))] [2018-07-23 13:51:51,803 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 13:51:51,803 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:51:51,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:51:51,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:51:51,804 INFO L87 Difference]: Start difference. First operand 122 states and 122 transitions. Second operand 122 states. [2018-07-23 13:51:52,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:52,553 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-07-23 13:51:52,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:51:52,553 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 121 [2018-07-23 13:51:52,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:52,553 INFO L225 Difference]: With dead ends: 124 [2018-07-23 13:51:52,554 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:51:52,555 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:51:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:51:52,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:51:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:51:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:51:52,560 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 121 [2018-07-23 13:51:52,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:52,560 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:51:52,560 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:51:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:51:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:51:52,561 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:52,561 INFO L357 BasicCegarLoop]: trace histogram [120, 1, 1] [2018-07-23 13:51:52,561 INFO L414 AbstractCegarLoop]: === Iteration 121 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:52,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1137432889, now seen corresponding path program 120 times [2018-07-23 13:51:52,561 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:53,146 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:53,146 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:51:53,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:53,147 INFO L185 omatonBuilderFactory]: Interpolants [38231#true, 38232#false, 38233#(and (<= proc_a 0) (<= 0 proc_a)), 38234#(and (<= 2 proc_a) (<= proc_a 2)), 38235#(and (<= 4 proc_a) (<= proc_a 4)), 38236#(and (<= 6 proc_a) (<= proc_a 6)), 38237#(and (<= proc_a 8) (<= 8 proc_a)), 38238#(and (<= 10 proc_a) (<= proc_a 10)), 38239#(and (<= proc_a 12) (<= 12 proc_a)), 38240#(and (<= 14 proc_a) (<= proc_a 14)), 38241#(and (<= proc_a 16) (<= 16 proc_a)), 38242#(and (<= 18 proc_a) (<= proc_a 18)), 38243#(and (<= 20 proc_a) (<= proc_a 20)), 38244#(and (<= 22 proc_a) (<= proc_a 22)), 38245#(and (<= 24 proc_a) (<= proc_a 24)), 38246#(and (<= 26 proc_a) (<= proc_a 26)), 38247#(and (<= proc_a 28) (<= 28 proc_a)), 38248#(and (<= proc_a 30) (<= 30 proc_a)), 38249#(and (<= 32 proc_a) (<= proc_a 32)), 38250#(and (<= 34 proc_a) (<= proc_a 34)), 38251#(and (<= 36 proc_a) (<= proc_a 36)), 38252#(and (<= 38 proc_a) (<= proc_a 38)), 38253#(and (<= 40 proc_a) (<= proc_a 40)), 38254#(and (<= proc_a 42) (<= 42 proc_a)), 38255#(and (<= proc_a 44) (<= 44 proc_a)), 38256#(and (<= proc_a 46) (<= 46 proc_a)), 38257#(and (<= 48 proc_a) (<= proc_a 48)), 38258#(and (<= 50 proc_a) (<= proc_a 50)), 38259#(and (<= 52 proc_a) (<= proc_a 52)), 38260#(and (<= 54 proc_a) (<= proc_a 54)), 38261#(and (<= proc_a 56) (<= 56 proc_a)), 38262#(and (<= proc_a 58) (<= 58 proc_a)), 38263#(and (<= 60 proc_a) (<= proc_a 60)), 38264#(and (<= 62 proc_a) (<= proc_a 62)), 38265#(and (<= 64 proc_a) (<= proc_a 64)), 38266#(and (<= 66 proc_a) (<= proc_a 66)), 38267#(and (<= 68 proc_a) (<= proc_a 68)), 38268#(and (<= proc_a 70) (<= 70 proc_a)), 38269#(and (<= 72 proc_a) (<= proc_a 72)), 38270#(and (<= proc_a 74) (<= 74 proc_a)), 38271#(and (<= proc_a 76) (<= 76 proc_a)), 38272#(and (<= 78 proc_a) (<= proc_a 78)), 38273#(and (<= proc_a 80) (<= 80 proc_a)), 38274#(and (<= 82 proc_a) (<= proc_a 82)), 38275#(and (<= proc_a 84) (<= 84 proc_a)), 38276#(and (<= 86 proc_a) (<= proc_a 86)), 38277#(and (<= 88 proc_a) (<= proc_a 88)), 38278#(and (<= proc_a 90) (<= 90 proc_a)), 38279#(and (<= 92 proc_a) (<= proc_a 92)), 38280#(and (<= proc_a 94) (<= 94 proc_a)), 38281#(and (<= proc_a 96) (<= 96 proc_a)), 38282#(and (<= 98 proc_a) (<= proc_a 98)), 38283#(and (<= proc_a 100) (<= 100 proc_a)), 38284#(and (<= 102 proc_a) (<= proc_a 102)), 38285#(and (<= proc_a 104) (<= 104 proc_a)), 38286#(and (<= 106 proc_a) (<= proc_a 106)), 38287#(and (<= proc_a 108) (<= 108 proc_a)), 38288#(and (<= proc_a 110) (<= 110 proc_a)), 38289#(and (<= proc_a 112) (<= 112 proc_a)), 38290#(and (<= 114 proc_a) (<= proc_a 114)), 38291#(and (<= 116 proc_a) (<= proc_a 116)), 38292#(and (<= proc_a 118) (<= 118 proc_a)), 38293#(and (<= 120 proc_a) (<= proc_a 120)), 38294#(and (<= proc_a 122) (<= 122 proc_a)), 38295#(and (<= proc_a 124) (<= 124 proc_a)), 38296#(and (<= proc_a 126) (<= 126 proc_a)), 38297#(and (<= 128 proc_a) (<= proc_a 128)), 38298#(and (<= proc_a 130) (<= 130 proc_a)), 38299#(and (<= 132 proc_a) (<= proc_a 132)), 38300#(and (<= proc_a 134) (<= 134 proc_a)), 38301#(and (<= proc_a 136) (<= 136 proc_a)), 38302#(and (<= proc_a 138) (<= 138 proc_a)), 38303#(and (<= proc_a 140) (<= 140 proc_a)), 38304#(and (<= 142 proc_a) (<= proc_a 142)), 38305#(and (<= 144 proc_a) (<= proc_a 144)), 38306#(and (<= proc_a 146) (<= 146 proc_a)), 38307#(and (<= 148 proc_a) (<= proc_a 148)), 38308#(and (<= proc_a 150) (<= 150 proc_a)), 38309#(and (<= proc_a 152) (<= 152 proc_a)), 38310#(and (<= 154 proc_a) (<= proc_a 154)), 38311#(and (<= 156 proc_a) (<= proc_a 156)), 38312#(and (<= proc_a 158) (<= 158 proc_a)), 38313#(and (<= 160 proc_a) (<= proc_a 160)), 38314#(and (<= proc_a 162) (<= 162 proc_a)), 38315#(and (<= 164 proc_a) (<= proc_a 164)), 38316#(and (<= 166 proc_a) (<= proc_a 166)), 38317#(and (<= 168 proc_a) (<= proc_a 168)), 38318#(and (<= 170 proc_a) (<= proc_a 170)), 38319#(and (<= 172 proc_a) (<= proc_a 172)), 38320#(and (<= proc_a 174) (<= 174 proc_a)), 38321#(and (<= 176 proc_a) (<= proc_a 176)), 38322#(and (<= 178 proc_a) (<= proc_a 178)), 38323#(and (<= proc_a 180) (<= 180 proc_a)), 38324#(and (<= proc_a 182) (<= 182 proc_a)), 38325#(and (<= 184 proc_a) (<= proc_a 184)), 38326#(and (<= 186 proc_a) (<= proc_a 186)), 38327#(and (<= 188 proc_a) (<= proc_a 188)), 38328#(and (<= 190 proc_a) (<= proc_a 190)), 38329#(and (<= proc_a 192) (<= 192 proc_a)), 38330#(and (<= 194 proc_a) (<= proc_a 194)), 38331#(and (<= proc_a 196) (<= 196 proc_a)), 38332#(and (<= 198 proc_a) (<= proc_a 198)), 38333#(and (<= proc_a 200) (<= 200 proc_a)), 38334#(and (<= proc_a 202) (<= 202 proc_a)), 38335#(and (<= 204 proc_a) (<= proc_a 204)), 38336#(and (<= 206 proc_a) (<= proc_a 206)), 38337#(and (<= 208 proc_a) (<= proc_a 208)), 38338#(and (<= proc_a 210) (<= 210 proc_a)), 38339#(and (<= proc_a 212) (<= 212 proc_a)), 38340#(and (<= 214 proc_a) (<= proc_a 214)), 38341#(and (<= 216 proc_a) (<= proc_a 216)), 38342#(and (<= proc_a 218) (<= 218 proc_a)), 38343#(and (<= proc_a 220) (<= 220 proc_a)), 38344#(and (<= 222 proc_a) (<= proc_a 222)), 38345#(and (<= 224 proc_a) (<= proc_a 224)), 38346#(and (<= proc_a 226) (<= 226 proc_a)), 38347#(and (<= 228 proc_a) (<= proc_a 228)), 38348#(and (<= proc_a 230) (<= 230 proc_a)), 38349#(and (<= 232 proc_a) (<= proc_a 232)), 38350#(and (<= proc_a 234) (<= 234 proc_a)), 38351#(and (<= proc_a 236) (<= 236 proc_a)), 38352#(and (<= 238 proc_a) (<= proc_a 238)), 38353#(and (<= 240 proc_a) (<= proc_a 240))] [2018-07-23 13:51:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:53,147 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:51:53,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:51:53,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:51:53,148 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 123 states. [2018-07-23 13:51:53,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:53,883 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:51:53,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:51:53,883 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 122 [2018-07-23 13:51:53,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:53,884 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:51:53,884 INFO L226 Difference]: Without dead ends: 124 [2018-07-23 13:51:53,885 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:51:53,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-07-23 13:51:53,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-07-23 13:51:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-07-23 13:51:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-07-23 13:51:53,890 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 122 [2018-07-23 13:51:53,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:53,890 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-07-23 13:51:53,890 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:51:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-07-23 13:51:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-07-23 13:51:53,891 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:53,891 INFO L357 BasicCegarLoop]: trace histogram [121, 1, 1] [2018-07-23 13:51:53,891 INFO L414 AbstractCegarLoop]: === Iteration 122 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:53,891 INFO L82 PathProgramCache]: Analyzing trace with hash -900681247, now seen corresponding path program 121 times [2018-07-23 13:51:53,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:54,586 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:54,586 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:54,586 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:51:54,587 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:54,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:54,587 INFO L185 omatonBuilderFactory]: Interpolants [38912#(and (<= 116 proc_a) (<= proc_a 116)), 38913#(and (<= proc_a 118) (<= 118 proc_a)), 38914#(and (<= 120 proc_a) (<= proc_a 120)), 38915#(and (<= proc_a 122) (<= 122 proc_a)), 38916#(and (<= proc_a 124) (<= 124 proc_a)), 38917#(and (<= proc_a 126) (<= 126 proc_a)), 38918#(and (<= 128 proc_a) (<= proc_a 128)), 38919#(and (<= proc_a 130) (<= 130 proc_a)), 38920#(and (<= 132 proc_a) (<= proc_a 132)), 38921#(and (<= proc_a 134) (<= 134 proc_a)), 38922#(and (<= proc_a 136) (<= 136 proc_a)), 38923#(and (<= proc_a 138) (<= 138 proc_a)), 38924#(and (<= proc_a 140) (<= 140 proc_a)), 38925#(and (<= 142 proc_a) (<= proc_a 142)), 38926#(and (<= 144 proc_a) (<= proc_a 144)), 38927#(and (<= proc_a 146) (<= 146 proc_a)), 38928#(and (<= 148 proc_a) (<= proc_a 148)), 38929#(and (<= proc_a 150) (<= 150 proc_a)), 38930#(and (<= proc_a 152) (<= 152 proc_a)), 38931#(and (<= 154 proc_a) (<= proc_a 154)), 38932#(and (<= 156 proc_a) (<= proc_a 156)), 38933#(and (<= proc_a 158) (<= 158 proc_a)), 38934#(and (<= 160 proc_a) (<= proc_a 160)), 38935#(and (<= proc_a 162) (<= 162 proc_a)), 38936#(and (<= 164 proc_a) (<= proc_a 164)), 38937#(and (<= 166 proc_a) (<= proc_a 166)), 38938#(and (<= 168 proc_a) (<= proc_a 168)), 38939#(and (<= 170 proc_a) (<= proc_a 170)), 38940#(and (<= 172 proc_a) (<= proc_a 172)), 38941#(and (<= proc_a 174) (<= 174 proc_a)), 38942#(and (<= 176 proc_a) (<= proc_a 176)), 38943#(and (<= 178 proc_a) (<= proc_a 178)), 38944#(and (<= proc_a 180) (<= 180 proc_a)), 38945#(and (<= proc_a 182) (<= 182 proc_a)), 38946#(and (<= 184 proc_a) (<= proc_a 184)), 38947#(and (<= 186 proc_a) (<= proc_a 186)), 38948#(and (<= 188 proc_a) (<= proc_a 188)), 38949#(and (<= 190 proc_a) (<= proc_a 190)), 38950#(and (<= proc_a 192) (<= 192 proc_a)), 38951#(and (<= 194 proc_a) (<= proc_a 194)), 38952#(and (<= proc_a 196) (<= 196 proc_a)), 38953#(and (<= 198 proc_a) (<= proc_a 198)), 38954#(and (<= proc_a 200) (<= 200 proc_a)), 38955#(and (<= proc_a 202) (<= 202 proc_a)), 38956#(and (<= 204 proc_a) (<= proc_a 204)), 38957#(and (<= 206 proc_a) (<= proc_a 206)), 38958#(and (<= 208 proc_a) (<= proc_a 208)), 38959#(and (<= proc_a 210) (<= 210 proc_a)), 38960#(and (<= proc_a 212) (<= 212 proc_a)), 38961#(and (<= 214 proc_a) (<= proc_a 214)), 38962#(and (<= 216 proc_a) (<= proc_a 216)), 38963#(and (<= proc_a 218) (<= 218 proc_a)), 38964#(and (<= proc_a 220) (<= 220 proc_a)), 38965#(and (<= 222 proc_a) (<= proc_a 222)), 38966#(and (<= 224 proc_a) (<= proc_a 224)), 38967#(and (<= proc_a 226) (<= 226 proc_a)), 38968#(and (<= 228 proc_a) (<= proc_a 228)), 38969#(and (<= proc_a 230) (<= 230 proc_a)), 38970#(and (<= 232 proc_a) (<= proc_a 232)), 38971#(and (<= proc_a 234) (<= 234 proc_a)), 38972#(and (<= proc_a 236) (<= 236 proc_a)), 38973#(and (<= 238 proc_a) (<= proc_a 238)), 38974#(and (<= 240 proc_a) (<= proc_a 240)), 38975#(and (<= proc_a 242) (<= 242 proc_a)), 38852#true, 38853#false, 38854#(and (<= proc_a 0) (<= 0 proc_a)), 38855#(and (<= 2 proc_a) (<= proc_a 2)), 38856#(and (<= 4 proc_a) (<= proc_a 4)), 38857#(and (<= 6 proc_a) (<= proc_a 6)), 38858#(and (<= proc_a 8) (<= 8 proc_a)), 38859#(and (<= 10 proc_a) (<= proc_a 10)), 38860#(and (<= proc_a 12) (<= 12 proc_a)), 38861#(and (<= 14 proc_a) (<= proc_a 14)), 38862#(and (<= proc_a 16) (<= 16 proc_a)), 38863#(and (<= 18 proc_a) (<= proc_a 18)), 38864#(and (<= 20 proc_a) (<= proc_a 20)), 38865#(and (<= 22 proc_a) (<= proc_a 22)), 38866#(and (<= 24 proc_a) (<= proc_a 24)), 38867#(and (<= 26 proc_a) (<= proc_a 26)), 38868#(and (<= proc_a 28) (<= 28 proc_a)), 38869#(and (<= proc_a 30) (<= 30 proc_a)), 38870#(and (<= 32 proc_a) (<= proc_a 32)), 38871#(and (<= 34 proc_a) (<= proc_a 34)), 38872#(and (<= 36 proc_a) (<= proc_a 36)), 38873#(and (<= 38 proc_a) (<= proc_a 38)), 38874#(and (<= 40 proc_a) (<= proc_a 40)), 38875#(and (<= proc_a 42) (<= 42 proc_a)), 38876#(and (<= proc_a 44) (<= 44 proc_a)), 38877#(and (<= proc_a 46) (<= 46 proc_a)), 38878#(and (<= 48 proc_a) (<= proc_a 48)), 38879#(and (<= 50 proc_a) (<= proc_a 50)), 38880#(and (<= 52 proc_a) (<= proc_a 52)), 38881#(and (<= 54 proc_a) (<= proc_a 54)), 38882#(and (<= proc_a 56) (<= 56 proc_a)), 38883#(and (<= proc_a 58) (<= 58 proc_a)), 38884#(and (<= 60 proc_a) (<= proc_a 60)), 38885#(and (<= 62 proc_a) (<= proc_a 62)), 38886#(and (<= 64 proc_a) (<= proc_a 64)), 38887#(and (<= 66 proc_a) (<= proc_a 66)), 38888#(and (<= 68 proc_a) (<= proc_a 68)), 38889#(and (<= proc_a 70) (<= 70 proc_a)), 38890#(and (<= 72 proc_a) (<= proc_a 72)), 38891#(and (<= proc_a 74) (<= 74 proc_a)), 38892#(and (<= proc_a 76) (<= 76 proc_a)), 38893#(and (<= 78 proc_a) (<= proc_a 78)), 38894#(and (<= proc_a 80) (<= 80 proc_a)), 38895#(and (<= 82 proc_a) (<= proc_a 82)), 38896#(and (<= proc_a 84) (<= 84 proc_a)), 38897#(and (<= 86 proc_a) (<= proc_a 86)), 38898#(and (<= 88 proc_a) (<= proc_a 88)), 38899#(and (<= proc_a 90) (<= 90 proc_a)), 38900#(and (<= 92 proc_a) (<= proc_a 92)), 38901#(and (<= proc_a 94) (<= 94 proc_a)), 38902#(and (<= proc_a 96) (<= 96 proc_a)), 38903#(and (<= 98 proc_a) (<= proc_a 98)), 38904#(and (<= proc_a 100) (<= 100 proc_a)), 38905#(and (<= 102 proc_a) (<= proc_a 102)), 38906#(and (<= proc_a 104) (<= 104 proc_a)), 38907#(and (<= 106 proc_a) (<= proc_a 106)), 38908#(and (<= proc_a 108) (<= 108 proc_a)), 38909#(and (<= proc_a 110) (<= 110 proc_a)), 38910#(and (<= proc_a 112) (<= 112 proc_a)), 38911#(and (<= 114 proc_a) (<= proc_a 114))] [2018-07-23 13:51:54,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:54,588 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:51:54,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:51:54,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:51:54,588 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 124 states. [2018-07-23 13:51:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:55,317 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-07-23 13:51:55,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:51:55,317 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 123 [2018-07-23 13:51:55,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:55,318 INFO L225 Difference]: With dead ends: 126 [2018-07-23 13:51:55,318 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:51:55,318 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:51:55,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:51:55,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:51:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:51:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:51:55,322 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 123 [2018-07-23 13:51:55,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:55,322 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:51:55,323 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:51:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:51:55,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:51:55,323 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:55,323 INFO L357 BasicCegarLoop]: trace histogram [122, 1, 1] [2018-07-23 13:51:55,324 INFO L414 AbstractCegarLoop]: === Iteration 123 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:55,324 INFO L82 PathProgramCache]: Analyzing trace with hash 2143652359, now seen corresponding path program 122 times [2018-07-23 13:51:55,324 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:55,946 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:55,946 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:51:55,946 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:55,946 INFO L185 omatonBuilderFactory]: Interpolants [39478#true, 39479#false, 39480#(and (<= proc_a 0) (<= 0 proc_a)), 39481#(and (<= 2 proc_a) (<= proc_a 2)), 39482#(and (<= 4 proc_a) (<= proc_a 4)), 39483#(and (<= 6 proc_a) (<= proc_a 6)), 39484#(and (<= proc_a 8) (<= 8 proc_a)), 39485#(and (<= 10 proc_a) (<= proc_a 10)), 39486#(and (<= proc_a 12) (<= 12 proc_a)), 39487#(and (<= 14 proc_a) (<= proc_a 14)), 39488#(and (<= proc_a 16) (<= 16 proc_a)), 39489#(and (<= 18 proc_a) (<= proc_a 18)), 39490#(and (<= 20 proc_a) (<= proc_a 20)), 39491#(and (<= 22 proc_a) (<= proc_a 22)), 39492#(and (<= 24 proc_a) (<= proc_a 24)), 39493#(and (<= 26 proc_a) (<= proc_a 26)), 39494#(and (<= proc_a 28) (<= 28 proc_a)), 39495#(and (<= proc_a 30) (<= 30 proc_a)), 39496#(and (<= 32 proc_a) (<= proc_a 32)), 39497#(and (<= 34 proc_a) (<= proc_a 34)), 39498#(and (<= 36 proc_a) (<= proc_a 36)), 39499#(and (<= 38 proc_a) (<= proc_a 38)), 39500#(and (<= 40 proc_a) (<= proc_a 40)), 39501#(and (<= proc_a 42) (<= 42 proc_a)), 39502#(and (<= proc_a 44) (<= 44 proc_a)), 39503#(and (<= proc_a 46) (<= 46 proc_a)), 39504#(and (<= 48 proc_a) (<= proc_a 48)), 39505#(and (<= 50 proc_a) (<= proc_a 50)), 39506#(and (<= 52 proc_a) (<= proc_a 52)), 39507#(and (<= 54 proc_a) (<= proc_a 54)), 39508#(and (<= proc_a 56) (<= 56 proc_a)), 39509#(and (<= proc_a 58) (<= 58 proc_a)), 39510#(and (<= 60 proc_a) (<= proc_a 60)), 39511#(and (<= 62 proc_a) (<= proc_a 62)), 39512#(and (<= 64 proc_a) (<= proc_a 64)), 39513#(and (<= 66 proc_a) (<= proc_a 66)), 39514#(and (<= 68 proc_a) (<= proc_a 68)), 39515#(and (<= proc_a 70) (<= 70 proc_a)), 39516#(and (<= 72 proc_a) (<= proc_a 72)), 39517#(and (<= proc_a 74) (<= 74 proc_a)), 39518#(and (<= proc_a 76) (<= 76 proc_a)), 39519#(and (<= 78 proc_a) (<= proc_a 78)), 39520#(and (<= proc_a 80) (<= 80 proc_a)), 39521#(and (<= 82 proc_a) (<= proc_a 82)), 39522#(and (<= proc_a 84) (<= 84 proc_a)), 39523#(and (<= 86 proc_a) (<= proc_a 86)), 39524#(and (<= 88 proc_a) (<= proc_a 88)), 39525#(and (<= proc_a 90) (<= 90 proc_a)), 39526#(and (<= 92 proc_a) (<= proc_a 92)), 39527#(and (<= proc_a 94) (<= 94 proc_a)), 39528#(and (<= proc_a 96) (<= 96 proc_a)), 39529#(and (<= 98 proc_a) (<= proc_a 98)), 39530#(and (<= proc_a 100) (<= 100 proc_a)), 39531#(and (<= 102 proc_a) (<= proc_a 102)), 39532#(and (<= proc_a 104) (<= 104 proc_a)), 39533#(and (<= 106 proc_a) (<= proc_a 106)), 39534#(and (<= proc_a 108) (<= 108 proc_a)), 39535#(and (<= proc_a 110) (<= 110 proc_a)), 39536#(and (<= proc_a 112) (<= 112 proc_a)), 39537#(and (<= 114 proc_a) (<= proc_a 114)), 39538#(and (<= 116 proc_a) (<= proc_a 116)), 39539#(and (<= proc_a 118) (<= 118 proc_a)), 39540#(and (<= 120 proc_a) (<= proc_a 120)), 39541#(and (<= proc_a 122) (<= 122 proc_a)), 39542#(and (<= proc_a 124) (<= 124 proc_a)), 39543#(and (<= proc_a 126) (<= 126 proc_a)), 39544#(and (<= 128 proc_a) (<= proc_a 128)), 39545#(and (<= proc_a 130) (<= 130 proc_a)), 39546#(and (<= 132 proc_a) (<= proc_a 132)), 39547#(and (<= proc_a 134) (<= 134 proc_a)), 39548#(and (<= proc_a 136) (<= 136 proc_a)), 39549#(and (<= proc_a 138) (<= 138 proc_a)), 39550#(and (<= proc_a 140) (<= 140 proc_a)), 39551#(and (<= 142 proc_a) (<= proc_a 142)), 39552#(and (<= 144 proc_a) (<= proc_a 144)), 39553#(and (<= proc_a 146) (<= 146 proc_a)), 39554#(and (<= 148 proc_a) (<= proc_a 148)), 39555#(and (<= proc_a 150) (<= 150 proc_a)), 39556#(and (<= proc_a 152) (<= 152 proc_a)), 39557#(and (<= 154 proc_a) (<= proc_a 154)), 39558#(and (<= 156 proc_a) (<= proc_a 156)), 39559#(and (<= proc_a 158) (<= 158 proc_a)), 39560#(and (<= 160 proc_a) (<= proc_a 160)), 39561#(and (<= proc_a 162) (<= 162 proc_a)), 39562#(and (<= 164 proc_a) (<= proc_a 164)), 39563#(and (<= 166 proc_a) (<= proc_a 166)), 39564#(and (<= 168 proc_a) (<= proc_a 168)), 39565#(and (<= 170 proc_a) (<= proc_a 170)), 39566#(and (<= 172 proc_a) (<= proc_a 172)), 39567#(and (<= proc_a 174) (<= 174 proc_a)), 39568#(and (<= 176 proc_a) (<= proc_a 176)), 39569#(and (<= 178 proc_a) (<= proc_a 178)), 39570#(and (<= proc_a 180) (<= 180 proc_a)), 39571#(and (<= proc_a 182) (<= 182 proc_a)), 39572#(and (<= 184 proc_a) (<= proc_a 184)), 39573#(and (<= 186 proc_a) (<= proc_a 186)), 39574#(and (<= 188 proc_a) (<= proc_a 188)), 39575#(and (<= 190 proc_a) (<= proc_a 190)), 39576#(and (<= proc_a 192) (<= 192 proc_a)), 39577#(and (<= 194 proc_a) (<= proc_a 194)), 39578#(and (<= proc_a 196) (<= 196 proc_a)), 39579#(and (<= 198 proc_a) (<= proc_a 198)), 39580#(and (<= proc_a 200) (<= 200 proc_a)), 39581#(and (<= proc_a 202) (<= 202 proc_a)), 39582#(and (<= 204 proc_a) (<= proc_a 204)), 39583#(and (<= 206 proc_a) (<= proc_a 206)), 39584#(and (<= 208 proc_a) (<= proc_a 208)), 39585#(and (<= proc_a 210) (<= 210 proc_a)), 39586#(and (<= proc_a 212) (<= 212 proc_a)), 39587#(and (<= 214 proc_a) (<= proc_a 214)), 39588#(and (<= 216 proc_a) (<= proc_a 216)), 39589#(and (<= proc_a 218) (<= 218 proc_a)), 39590#(and (<= proc_a 220) (<= 220 proc_a)), 39591#(and (<= 222 proc_a) (<= proc_a 222)), 39592#(and (<= 224 proc_a) (<= proc_a 224)), 39593#(and (<= proc_a 226) (<= 226 proc_a)), 39594#(and (<= 228 proc_a) (<= proc_a 228)), 39595#(and (<= proc_a 230) (<= 230 proc_a)), 39596#(and (<= 232 proc_a) (<= proc_a 232)), 39597#(and (<= proc_a 234) (<= 234 proc_a)), 39598#(and (<= proc_a 236) (<= 236 proc_a)), 39599#(and (<= 238 proc_a) (<= proc_a 238)), 39600#(and (<= 240 proc_a) (<= proc_a 240)), 39601#(and (<= proc_a 242) (<= 242 proc_a)), 39602#(and (<= proc_a 244) (<= 244 proc_a))] [2018-07-23 13:51:55,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:55,947 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:51:55,947 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:51:55,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:51:55,948 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 125 states. [2018-07-23 13:51:56,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:56,754 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:51:56,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:51:56,754 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 124 [2018-07-23 13:51:56,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:56,754 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:51:56,754 INFO L226 Difference]: Without dead ends: 126 [2018-07-23 13:51:56,755 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:51:56,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-07-23 13:51:56,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-07-23 13:51:56,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-07-23 13:51:56,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-07-23 13:51:56,759 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 124 [2018-07-23 13:51:56,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:56,759 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-07-23 13:51:56,759 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:51:56,760 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-07-23 13:51:56,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 13:51:56,760 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:56,760 INFO L357 BasicCegarLoop]: trace histogram [123, 1, 1] [2018-07-23 13:51:56,760 INFO L414 AbstractCegarLoop]: === Iteration 124 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:56,760 INFO L82 PathProgramCache]: Analyzing trace with hash 2028713633, now seen corresponding path program 123 times [2018-07-23 13:51:56,761 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:57,408 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:57,408 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:51:57,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:57,408 INFO L185 omatonBuilderFactory]: Interpolants [40192#(and (<= proc_a 162) (<= 162 proc_a)), 40193#(and (<= 164 proc_a) (<= proc_a 164)), 40194#(and (<= 166 proc_a) (<= proc_a 166)), 40195#(and (<= 168 proc_a) (<= proc_a 168)), 40196#(and (<= 170 proc_a) (<= proc_a 170)), 40197#(and (<= 172 proc_a) (<= proc_a 172)), 40198#(and (<= proc_a 174) (<= 174 proc_a)), 40199#(and (<= 176 proc_a) (<= proc_a 176)), 40200#(and (<= 178 proc_a) (<= proc_a 178)), 40201#(and (<= proc_a 180) (<= 180 proc_a)), 40202#(and (<= proc_a 182) (<= 182 proc_a)), 40203#(and (<= 184 proc_a) (<= proc_a 184)), 40204#(and (<= 186 proc_a) (<= proc_a 186)), 40205#(and (<= 188 proc_a) (<= proc_a 188)), 40206#(and (<= 190 proc_a) (<= proc_a 190)), 40207#(and (<= proc_a 192) (<= 192 proc_a)), 40208#(and (<= 194 proc_a) (<= proc_a 194)), 40209#(and (<= proc_a 196) (<= 196 proc_a)), 40210#(and (<= 198 proc_a) (<= proc_a 198)), 40211#(and (<= proc_a 200) (<= 200 proc_a)), 40212#(and (<= proc_a 202) (<= 202 proc_a)), 40213#(and (<= 204 proc_a) (<= proc_a 204)), 40214#(and (<= 206 proc_a) (<= proc_a 206)), 40215#(and (<= 208 proc_a) (<= proc_a 208)), 40216#(and (<= proc_a 210) (<= 210 proc_a)), 40217#(and (<= proc_a 212) (<= 212 proc_a)), 40218#(and (<= 214 proc_a) (<= proc_a 214)), 40219#(and (<= 216 proc_a) (<= proc_a 216)), 40220#(and (<= proc_a 218) (<= 218 proc_a)), 40221#(and (<= proc_a 220) (<= 220 proc_a)), 40222#(and (<= 222 proc_a) (<= proc_a 222)), 40223#(and (<= 224 proc_a) (<= proc_a 224)), 40224#(and (<= proc_a 226) (<= 226 proc_a)), 40225#(and (<= 228 proc_a) (<= proc_a 228)), 40226#(and (<= proc_a 230) (<= 230 proc_a)), 40227#(and (<= 232 proc_a) (<= proc_a 232)), 40228#(and (<= proc_a 234) (<= 234 proc_a)), 40229#(and (<= proc_a 236) (<= 236 proc_a)), 40230#(and (<= 238 proc_a) (<= proc_a 238)), 40231#(and (<= 240 proc_a) (<= proc_a 240)), 40232#(and (<= proc_a 242) (<= 242 proc_a)), 40233#(and (<= proc_a 244) (<= 244 proc_a)), 40234#(and (<= proc_a 246) (<= 246 proc_a)), 40109#true, 40110#false, 40111#(and (<= proc_a 0) (<= 0 proc_a)), 40112#(and (<= 2 proc_a) (<= proc_a 2)), 40113#(and (<= 4 proc_a) (<= proc_a 4)), 40114#(and (<= 6 proc_a) (<= proc_a 6)), 40115#(and (<= proc_a 8) (<= 8 proc_a)), 40116#(and (<= 10 proc_a) (<= proc_a 10)), 40117#(and (<= proc_a 12) (<= 12 proc_a)), 40118#(and (<= 14 proc_a) (<= proc_a 14)), 40119#(and (<= proc_a 16) (<= 16 proc_a)), 40120#(and (<= 18 proc_a) (<= proc_a 18)), 40121#(and (<= 20 proc_a) (<= proc_a 20)), 40122#(and (<= 22 proc_a) (<= proc_a 22)), 40123#(and (<= 24 proc_a) (<= proc_a 24)), 40124#(and (<= 26 proc_a) (<= proc_a 26)), 40125#(and (<= proc_a 28) (<= 28 proc_a)), 40126#(and (<= proc_a 30) (<= 30 proc_a)), 40127#(and (<= 32 proc_a) (<= proc_a 32)), 40128#(and (<= 34 proc_a) (<= proc_a 34)), 40129#(and (<= 36 proc_a) (<= proc_a 36)), 40130#(and (<= 38 proc_a) (<= proc_a 38)), 40131#(and (<= 40 proc_a) (<= proc_a 40)), 40132#(and (<= proc_a 42) (<= 42 proc_a)), 40133#(and (<= proc_a 44) (<= 44 proc_a)), 40134#(and (<= proc_a 46) (<= 46 proc_a)), 40135#(and (<= 48 proc_a) (<= proc_a 48)), 40136#(and (<= 50 proc_a) (<= proc_a 50)), 40137#(and (<= 52 proc_a) (<= proc_a 52)), 40138#(and (<= 54 proc_a) (<= proc_a 54)), 40139#(and (<= proc_a 56) (<= 56 proc_a)), 40140#(and (<= proc_a 58) (<= 58 proc_a)), 40141#(and (<= 60 proc_a) (<= proc_a 60)), 40142#(and (<= 62 proc_a) (<= proc_a 62)), 40143#(and (<= 64 proc_a) (<= proc_a 64)), 40144#(and (<= 66 proc_a) (<= proc_a 66)), 40145#(and (<= 68 proc_a) (<= proc_a 68)), 40146#(and (<= proc_a 70) (<= 70 proc_a)), 40147#(and (<= 72 proc_a) (<= proc_a 72)), 40148#(and (<= proc_a 74) (<= 74 proc_a)), 40149#(and (<= proc_a 76) (<= 76 proc_a)), 40150#(and (<= 78 proc_a) (<= proc_a 78)), 40151#(and (<= proc_a 80) (<= 80 proc_a)), 40152#(and (<= 82 proc_a) (<= proc_a 82)), 40153#(and (<= proc_a 84) (<= 84 proc_a)), 40154#(and (<= 86 proc_a) (<= proc_a 86)), 40155#(and (<= 88 proc_a) (<= proc_a 88)), 40156#(and (<= proc_a 90) (<= 90 proc_a)), 40157#(and (<= 92 proc_a) (<= proc_a 92)), 40158#(and (<= proc_a 94) (<= 94 proc_a)), 40159#(and (<= proc_a 96) (<= 96 proc_a)), 40160#(and (<= 98 proc_a) (<= proc_a 98)), 40161#(and (<= proc_a 100) (<= 100 proc_a)), 40162#(and (<= 102 proc_a) (<= proc_a 102)), 40163#(and (<= proc_a 104) (<= 104 proc_a)), 40164#(and (<= 106 proc_a) (<= proc_a 106)), 40165#(and (<= proc_a 108) (<= 108 proc_a)), 40166#(and (<= proc_a 110) (<= 110 proc_a)), 40167#(and (<= proc_a 112) (<= 112 proc_a)), 40168#(and (<= 114 proc_a) (<= proc_a 114)), 40169#(and (<= 116 proc_a) (<= proc_a 116)), 40170#(and (<= proc_a 118) (<= 118 proc_a)), 40171#(and (<= 120 proc_a) (<= proc_a 120)), 40172#(and (<= proc_a 122) (<= 122 proc_a)), 40173#(and (<= proc_a 124) (<= 124 proc_a)), 40174#(and (<= proc_a 126) (<= 126 proc_a)), 40175#(and (<= 128 proc_a) (<= proc_a 128)), 40176#(and (<= proc_a 130) (<= 130 proc_a)), 40177#(and (<= 132 proc_a) (<= proc_a 132)), 40178#(and (<= proc_a 134) (<= 134 proc_a)), 40179#(and (<= proc_a 136) (<= 136 proc_a)), 40180#(and (<= proc_a 138) (<= 138 proc_a)), 40181#(and (<= proc_a 140) (<= 140 proc_a)), 40182#(and (<= 142 proc_a) (<= proc_a 142)), 40183#(and (<= 144 proc_a) (<= proc_a 144)), 40184#(and (<= proc_a 146) (<= 146 proc_a)), 40185#(and (<= 148 proc_a) (<= proc_a 148)), 40186#(and (<= proc_a 150) (<= 150 proc_a)), 40187#(and (<= proc_a 152) (<= 152 proc_a)), 40188#(and (<= 154 proc_a) (<= proc_a 154)), 40189#(and (<= 156 proc_a) (<= proc_a 156)), 40190#(and (<= proc_a 158) (<= 158 proc_a)), 40191#(and (<= 160 proc_a) (<= proc_a 160))] [2018-07-23 13:51:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:57,409 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:51:57,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:51:57,410 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:51:57,410 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 126 states. [2018-07-23 13:51:58,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:58,232 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-07-23 13:51:58,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:51:58,232 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 125 [2018-07-23 13:51:58,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:58,233 INFO L225 Difference]: With dead ends: 128 [2018-07-23 13:51:58,233 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:51:58,234 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:51:58,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:51:58,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:51:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:51:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:51:58,239 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 125 [2018-07-23 13:51:58,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:58,239 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:51:58,239 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:51:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:51:58,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:51:58,240 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:58,240 INFO L357 BasicCegarLoop]: trace histogram [124, 1, 1] [2018-07-23 13:51:58,240 INFO L414 AbstractCegarLoop]: === Iteration 125 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:58,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1534386873, now seen corresponding path program 124 times [2018-07-23 13:51:58,240 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:58,892 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:58,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:51:58,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:58,893 INFO L185 omatonBuilderFactory]: Interpolants [40745#true, 40746#false, 40747#(and (<= proc_a 0) (<= 0 proc_a)), 40748#(and (<= 2 proc_a) (<= proc_a 2)), 40749#(and (<= 4 proc_a) (<= proc_a 4)), 40750#(and (<= 6 proc_a) (<= proc_a 6)), 40751#(and (<= proc_a 8) (<= 8 proc_a)), 40752#(and (<= 10 proc_a) (<= proc_a 10)), 40753#(and (<= proc_a 12) (<= 12 proc_a)), 40754#(and (<= 14 proc_a) (<= proc_a 14)), 40755#(and (<= proc_a 16) (<= 16 proc_a)), 40756#(and (<= 18 proc_a) (<= proc_a 18)), 40757#(and (<= 20 proc_a) (<= proc_a 20)), 40758#(and (<= 22 proc_a) (<= proc_a 22)), 40759#(and (<= 24 proc_a) (<= proc_a 24)), 40760#(and (<= 26 proc_a) (<= proc_a 26)), 40761#(and (<= proc_a 28) (<= 28 proc_a)), 40762#(and (<= proc_a 30) (<= 30 proc_a)), 40763#(and (<= 32 proc_a) (<= proc_a 32)), 40764#(and (<= 34 proc_a) (<= proc_a 34)), 40765#(and (<= 36 proc_a) (<= proc_a 36)), 40766#(and (<= 38 proc_a) (<= proc_a 38)), 40767#(and (<= 40 proc_a) (<= proc_a 40)), 40768#(and (<= proc_a 42) (<= 42 proc_a)), 40769#(and (<= proc_a 44) (<= 44 proc_a)), 40770#(and (<= proc_a 46) (<= 46 proc_a)), 40771#(and (<= 48 proc_a) (<= proc_a 48)), 40772#(and (<= 50 proc_a) (<= proc_a 50)), 40773#(and (<= 52 proc_a) (<= proc_a 52)), 40774#(and (<= 54 proc_a) (<= proc_a 54)), 40775#(and (<= proc_a 56) (<= 56 proc_a)), 40776#(and (<= proc_a 58) (<= 58 proc_a)), 40777#(and (<= 60 proc_a) (<= proc_a 60)), 40778#(and (<= 62 proc_a) (<= proc_a 62)), 40779#(and (<= 64 proc_a) (<= proc_a 64)), 40780#(and (<= 66 proc_a) (<= proc_a 66)), 40781#(and (<= 68 proc_a) (<= proc_a 68)), 40782#(and (<= proc_a 70) (<= 70 proc_a)), 40783#(and (<= 72 proc_a) (<= proc_a 72)), 40784#(and (<= proc_a 74) (<= 74 proc_a)), 40785#(and (<= proc_a 76) (<= 76 proc_a)), 40786#(and (<= 78 proc_a) (<= proc_a 78)), 40787#(and (<= proc_a 80) (<= 80 proc_a)), 40788#(and (<= 82 proc_a) (<= proc_a 82)), 40789#(and (<= proc_a 84) (<= 84 proc_a)), 40790#(and (<= 86 proc_a) (<= proc_a 86)), 40791#(and (<= 88 proc_a) (<= proc_a 88)), 40792#(and (<= proc_a 90) (<= 90 proc_a)), 40793#(and (<= 92 proc_a) (<= proc_a 92)), 40794#(and (<= proc_a 94) (<= 94 proc_a)), 40795#(and (<= proc_a 96) (<= 96 proc_a)), 40796#(and (<= 98 proc_a) (<= proc_a 98)), 40797#(and (<= proc_a 100) (<= 100 proc_a)), 40798#(and (<= 102 proc_a) (<= proc_a 102)), 40799#(and (<= proc_a 104) (<= 104 proc_a)), 40800#(and (<= 106 proc_a) (<= proc_a 106)), 40801#(and (<= proc_a 108) (<= 108 proc_a)), 40802#(and (<= proc_a 110) (<= 110 proc_a)), 40803#(and (<= proc_a 112) (<= 112 proc_a)), 40804#(and (<= 114 proc_a) (<= proc_a 114)), 40805#(and (<= 116 proc_a) (<= proc_a 116)), 40806#(and (<= proc_a 118) (<= 118 proc_a)), 40807#(and (<= 120 proc_a) (<= proc_a 120)), 40808#(and (<= proc_a 122) (<= 122 proc_a)), 40809#(and (<= proc_a 124) (<= 124 proc_a)), 40810#(and (<= proc_a 126) (<= 126 proc_a)), 40811#(and (<= 128 proc_a) (<= proc_a 128)), 40812#(and (<= proc_a 130) (<= 130 proc_a)), 40813#(and (<= 132 proc_a) (<= proc_a 132)), 40814#(and (<= proc_a 134) (<= 134 proc_a)), 40815#(and (<= proc_a 136) (<= 136 proc_a)), 40816#(and (<= proc_a 138) (<= 138 proc_a)), 40817#(and (<= proc_a 140) (<= 140 proc_a)), 40818#(and (<= 142 proc_a) (<= proc_a 142)), 40819#(and (<= 144 proc_a) (<= proc_a 144)), 40820#(and (<= proc_a 146) (<= 146 proc_a)), 40821#(and (<= 148 proc_a) (<= proc_a 148)), 40822#(and (<= proc_a 150) (<= 150 proc_a)), 40823#(and (<= proc_a 152) (<= 152 proc_a)), 40824#(and (<= 154 proc_a) (<= proc_a 154)), 40825#(and (<= 156 proc_a) (<= proc_a 156)), 40826#(and (<= proc_a 158) (<= 158 proc_a)), 40827#(and (<= 160 proc_a) (<= proc_a 160)), 40828#(and (<= proc_a 162) (<= 162 proc_a)), 40829#(and (<= 164 proc_a) (<= proc_a 164)), 40830#(and (<= 166 proc_a) (<= proc_a 166)), 40831#(and (<= 168 proc_a) (<= proc_a 168)), 40832#(and (<= 170 proc_a) (<= proc_a 170)), 40833#(and (<= 172 proc_a) (<= proc_a 172)), 40834#(and (<= proc_a 174) (<= 174 proc_a)), 40835#(and (<= 176 proc_a) (<= proc_a 176)), 40836#(and (<= 178 proc_a) (<= proc_a 178)), 40837#(and (<= proc_a 180) (<= 180 proc_a)), 40838#(and (<= proc_a 182) (<= 182 proc_a)), 40839#(and (<= 184 proc_a) (<= proc_a 184)), 40840#(and (<= 186 proc_a) (<= proc_a 186)), 40841#(and (<= 188 proc_a) (<= proc_a 188)), 40842#(and (<= 190 proc_a) (<= proc_a 190)), 40843#(and (<= proc_a 192) (<= 192 proc_a)), 40844#(and (<= 194 proc_a) (<= proc_a 194)), 40845#(and (<= proc_a 196) (<= 196 proc_a)), 40846#(and (<= 198 proc_a) (<= proc_a 198)), 40847#(and (<= proc_a 200) (<= 200 proc_a)), 40848#(and (<= proc_a 202) (<= 202 proc_a)), 40849#(and (<= 204 proc_a) (<= proc_a 204)), 40850#(and (<= 206 proc_a) (<= proc_a 206)), 40851#(and (<= 208 proc_a) (<= proc_a 208)), 40852#(and (<= proc_a 210) (<= 210 proc_a)), 40853#(and (<= proc_a 212) (<= 212 proc_a)), 40854#(and (<= 214 proc_a) (<= proc_a 214)), 40855#(and (<= 216 proc_a) (<= proc_a 216)), 40856#(and (<= proc_a 218) (<= 218 proc_a)), 40857#(and (<= proc_a 220) (<= 220 proc_a)), 40858#(and (<= 222 proc_a) (<= proc_a 222)), 40859#(and (<= 224 proc_a) (<= proc_a 224)), 40860#(and (<= proc_a 226) (<= 226 proc_a)), 40861#(and (<= 228 proc_a) (<= proc_a 228)), 40862#(and (<= proc_a 230) (<= 230 proc_a)), 40863#(and (<= 232 proc_a) (<= proc_a 232)), 40864#(and (<= proc_a 234) (<= 234 proc_a)), 40865#(and (<= proc_a 236) (<= 236 proc_a)), 40866#(and (<= 238 proc_a) (<= proc_a 238)), 40867#(and (<= 240 proc_a) (<= proc_a 240)), 40868#(and (<= proc_a 242) (<= 242 proc_a)), 40869#(and (<= proc_a 244) (<= 244 proc_a)), 40870#(and (<= proc_a 246) (<= 246 proc_a)), 40871#(and (<= 248 proc_a) (<= proc_a 248))] [2018-07-23 13:51:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:58,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:51:58,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:51:58,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:51:58,894 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 127 states. [2018-07-23 13:51:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:59,678 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:51:59,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:51:59,679 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 126 [2018-07-23 13:51:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:59,679 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:51:59,679 INFO L226 Difference]: Without dead ends: 128 [2018-07-23 13:51:59,680 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:51:59,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-07-23 13:51:59,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-07-23 13:51:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-07-23 13:51:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 128 transitions. [2018-07-23 13:51:59,686 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 128 transitions. Word has length 126 [2018-07-23 13:51:59,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:59,686 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 128 transitions. [2018-07-23 13:51:59,686 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:51:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 128 transitions. [2018-07-23 13:51:59,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-23 13:51:59,687 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:59,687 INFO L357 BasicCegarLoop]: trace histogram [125, 1, 1] [2018-07-23 13:51:59,687 INFO L414 AbstractCegarLoop]: === Iteration 126 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:51:59,687 INFO L82 PathProgramCache]: Analyzing trace with hash -321352863, now seen corresponding path program 125 times [2018-07-23 13:51:59,687 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:00,363 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:00,364 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:00,364 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:52:00,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:00,364 INFO L185 omatonBuilderFactory]: Interpolants [41472#(and (<= 168 proc_a) (<= proc_a 168)), 41473#(and (<= 170 proc_a) (<= proc_a 170)), 41474#(and (<= 172 proc_a) (<= proc_a 172)), 41475#(and (<= proc_a 174) (<= 174 proc_a)), 41476#(and (<= 176 proc_a) (<= proc_a 176)), 41477#(and (<= 178 proc_a) (<= proc_a 178)), 41478#(and (<= proc_a 180) (<= 180 proc_a)), 41479#(and (<= proc_a 182) (<= 182 proc_a)), 41480#(and (<= 184 proc_a) (<= proc_a 184)), 41481#(and (<= 186 proc_a) (<= proc_a 186)), 41482#(and (<= 188 proc_a) (<= proc_a 188)), 41483#(and (<= 190 proc_a) (<= proc_a 190)), 41484#(and (<= proc_a 192) (<= 192 proc_a)), 41485#(and (<= 194 proc_a) (<= proc_a 194)), 41486#(and (<= proc_a 196) (<= 196 proc_a)), 41487#(and (<= 198 proc_a) (<= proc_a 198)), 41488#(and (<= proc_a 200) (<= 200 proc_a)), 41489#(and (<= proc_a 202) (<= 202 proc_a)), 41490#(and (<= 204 proc_a) (<= proc_a 204)), 41491#(and (<= 206 proc_a) (<= proc_a 206)), 41492#(and (<= 208 proc_a) (<= proc_a 208)), 41493#(and (<= proc_a 210) (<= 210 proc_a)), 41494#(and (<= proc_a 212) (<= 212 proc_a)), 41495#(and (<= 214 proc_a) (<= proc_a 214)), 41496#(and (<= 216 proc_a) (<= proc_a 216)), 41497#(and (<= proc_a 218) (<= 218 proc_a)), 41498#(and (<= proc_a 220) (<= 220 proc_a)), 41499#(and (<= 222 proc_a) (<= proc_a 222)), 41500#(and (<= 224 proc_a) (<= proc_a 224)), 41501#(and (<= proc_a 226) (<= 226 proc_a)), 41502#(and (<= 228 proc_a) (<= proc_a 228)), 41503#(and (<= proc_a 230) (<= 230 proc_a)), 41504#(and (<= 232 proc_a) (<= proc_a 232)), 41505#(and (<= proc_a 234) (<= 234 proc_a)), 41506#(and (<= proc_a 236) (<= 236 proc_a)), 41507#(and (<= 238 proc_a) (<= proc_a 238)), 41508#(and (<= 240 proc_a) (<= proc_a 240)), 41509#(and (<= proc_a 242) (<= 242 proc_a)), 41510#(and (<= proc_a 244) (<= 244 proc_a)), 41511#(and (<= proc_a 246) (<= 246 proc_a)), 41512#(and (<= 248 proc_a) (<= proc_a 248)), 41513#(and (<= proc_a 250) (<= 250 proc_a)), 41386#true, 41387#false, 41388#(and (<= proc_a 0) (<= 0 proc_a)), 41389#(and (<= 2 proc_a) (<= proc_a 2)), 41390#(and (<= 4 proc_a) (<= proc_a 4)), 41391#(and (<= 6 proc_a) (<= proc_a 6)), 41392#(and (<= proc_a 8) (<= 8 proc_a)), 41393#(and (<= 10 proc_a) (<= proc_a 10)), 41394#(and (<= proc_a 12) (<= 12 proc_a)), 41395#(and (<= 14 proc_a) (<= proc_a 14)), 41396#(and (<= proc_a 16) (<= 16 proc_a)), 41397#(and (<= 18 proc_a) (<= proc_a 18)), 41398#(and (<= 20 proc_a) (<= proc_a 20)), 41399#(and (<= 22 proc_a) (<= proc_a 22)), 41400#(and (<= 24 proc_a) (<= proc_a 24)), 41401#(and (<= 26 proc_a) (<= proc_a 26)), 41402#(and (<= proc_a 28) (<= 28 proc_a)), 41403#(and (<= proc_a 30) (<= 30 proc_a)), 41404#(and (<= 32 proc_a) (<= proc_a 32)), 41405#(and (<= 34 proc_a) (<= proc_a 34)), 41406#(and (<= 36 proc_a) (<= proc_a 36)), 41407#(and (<= 38 proc_a) (<= proc_a 38)), 41408#(and (<= 40 proc_a) (<= proc_a 40)), 41409#(and (<= proc_a 42) (<= 42 proc_a)), 41410#(and (<= proc_a 44) (<= 44 proc_a)), 41411#(and (<= proc_a 46) (<= 46 proc_a)), 41412#(and (<= 48 proc_a) (<= proc_a 48)), 41413#(and (<= 50 proc_a) (<= proc_a 50)), 41414#(and (<= 52 proc_a) (<= proc_a 52)), 41415#(and (<= 54 proc_a) (<= proc_a 54)), 41416#(and (<= proc_a 56) (<= 56 proc_a)), 41417#(and (<= proc_a 58) (<= 58 proc_a)), 41418#(and (<= 60 proc_a) (<= proc_a 60)), 41419#(and (<= 62 proc_a) (<= proc_a 62)), 41420#(and (<= 64 proc_a) (<= proc_a 64)), 41421#(and (<= 66 proc_a) (<= proc_a 66)), 41422#(and (<= 68 proc_a) (<= proc_a 68)), 41423#(and (<= proc_a 70) (<= 70 proc_a)), 41424#(and (<= 72 proc_a) (<= proc_a 72)), 41425#(and (<= proc_a 74) (<= 74 proc_a)), 41426#(and (<= proc_a 76) (<= 76 proc_a)), 41427#(and (<= 78 proc_a) (<= proc_a 78)), 41428#(and (<= proc_a 80) (<= 80 proc_a)), 41429#(and (<= 82 proc_a) (<= proc_a 82)), 41430#(and (<= proc_a 84) (<= 84 proc_a)), 41431#(and (<= 86 proc_a) (<= proc_a 86)), 41432#(and (<= 88 proc_a) (<= proc_a 88)), 41433#(and (<= proc_a 90) (<= 90 proc_a)), 41434#(and (<= 92 proc_a) (<= proc_a 92)), 41435#(and (<= proc_a 94) (<= 94 proc_a)), 41436#(and (<= proc_a 96) (<= 96 proc_a)), 41437#(and (<= 98 proc_a) (<= proc_a 98)), 41438#(and (<= proc_a 100) (<= 100 proc_a)), 41439#(and (<= 102 proc_a) (<= proc_a 102)), 41440#(and (<= proc_a 104) (<= 104 proc_a)), 41441#(and (<= 106 proc_a) (<= proc_a 106)), 41442#(and (<= proc_a 108) (<= 108 proc_a)), 41443#(and (<= proc_a 110) (<= 110 proc_a)), 41444#(and (<= proc_a 112) (<= 112 proc_a)), 41445#(and (<= 114 proc_a) (<= proc_a 114)), 41446#(and (<= 116 proc_a) (<= proc_a 116)), 41447#(and (<= proc_a 118) (<= 118 proc_a)), 41448#(and (<= 120 proc_a) (<= proc_a 120)), 41449#(and (<= proc_a 122) (<= 122 proc_a)), 41450#(and (<= proc_a 124) (<= 124 proc_a)), 41451#(and (<= proc_a 126) (<= 126 proc_a)), 41452#(and (<= 128 proc_a) (<= proc_a 128)), 41453#(and (<= proc_a 130) (<= 130 proc_a)), 41454#(and (<= 132 proc_a) (<= proc_a 132)), 41455#(and (<= proc_a 134) (<= 134 proc_a)), 41456#(and (<= proc_a 136) (<= 136 proc_a)), 41457#(and (<= proc_a 138) (<= 138 proc_a)), 41458#(and (<= proc_a 140) (<= 140 proc_a)), 41459#(and (<= 142 proc_a) (<= proc_a 142)), 41460#(and (<= 144 proc_a) (<= proc_a 144)), 41461#(and (<= proc_a 146) (<= 146 proc_a)), 41462#(and (<= 148 proc_a) (<= proc_a 148)), 41463#(and (<= proc_a 150) (<= 150 proc_a)), 41464#(and (<= proc_a 152) (<= 152 proc_a)), 41465#(and (<= 154 proc_a) (<= proc_a 154)), 41466#(and (<= 156 proc_a) (<= proc_a 156)), 41467#(and (<= proc_a 158) (<= 158 proc_a)), 41468#(and (<= 160 proc_a) (<= proc_a 160)), 41469#(and (<= proc_a 162) (<= 162 proc_a)), 41470#(and (<= 164 proc_a) (<= proc_a 164)), 41471#(and (<= 166 proc_a) (<= proc_a 166))] [2018-07-23 13:52:00,365 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:00,365 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:52:00,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:52:00,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:52:00,367 INFO L87 Difference]: Start difference. First operand 128 states and 128 transitions. Second operand 128 states. [2018-07-23 13:52:01,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:01,214 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-07-23 13:52:01,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:52:01,214 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 127 [2018-07-23 13:52:01,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:01,214 INFO L225 Difference]: With dead ends: 130 [2018-07-23 13:52:01,214 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:52:01,215 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:52:01,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:52:01,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:52:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:52:01,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:52:01,220 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 127 [2018-07-23 13:52:01,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:01,220 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:52:01,220 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:52:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:52:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:52:01,220 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:01,220 INFO L357 BasicCegarLoop]: trace histogram [126, 1, 1] [2018-07-23 13:52:01,221 INFO L414 AbstractCegarLoop]: === Iteration 127 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:01,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1372004217, now seen corresponding path program 126 times [2018-07-23 13:52:01,221 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:01,880 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:01,880 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:52:01,881 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:01,881 INFO L185 omatonBuilderFactory]: Interpolants [42032#true, 42033#false, 42034#(and (<= proc_a 0) (<= 0 proc_a)), 42035#(and (<= 2 proc_a) (<= proc_a 2)), 42036#(and (<= 4 proc_a) (<= proc_a 4)), 42037#(and (<= 6 proc_a) (<= proc_a 6)), 42038#(and (<= proc_a 8) (<= 8 proc_a)), 42039#(and (<= 10 proc_a) (<= proc_a 10)), 42040#(and (<= proc_a 12) (<= 12 proc_a)), 42041#(and (<= 14 proc_a) (<= proc_a 14)), 42042#(and (<= proc_a 16) (<= 16 proc_a)), 42043#(and (<= 18 proc_a) (<= proc_a 18)), 42044#(and (<= 20 proc_a) (<= proc_a 20)), 42045#(and (<= 22 proc_a) (<= proc_a 22)), 42046#(and (<= 24 proc_a) (<= proc_a 24)), 42047#(and (<= 26 proc_a) (<= proc_a 26)), 42048#(and (<= proc_a 28) (<= 28 proc_a)), 42049#(and (<= proc_a 30) (<= 30 proc_a)), 42050#(and (<= 32 proc_a) (<= proc_a 32)), 42051#(and (<= 34 proc_a) (<= proc_a 34)), 42052#(and (<= 36 proc_a) (<= proc_a 36)), 42053#(and (<= 38 proc_a) (<= proc_a 38)), 42054#(and (<= 40 proc_a) (<= proc_a 40)), 42055#(and (<= proc_a 42) (<= 42 proc_a)), 42056#(and (<= proc_a 44) (<= 44 proc_a)), 42057#(and (<= proc_a 46) (<= 46 proc_a)), 42058#(and (<= 48 proc_a) (<= proc_a 48)), 42059#(and (<= 50 proc_a) (<= proc_a 50)), 42060#(and (<= 52 proc_a) (<= proc_a 52)), 42061#(and (<= 54 proc_a) (<= proc_a 54)), 42062#(and (<= proc_a 56) (<= 56 proc_a)), 42063#(and (<= proc_a 58) (<= 58 proc_a)), 42064#(and (<= 60 proc_a) (<= proc_a 60)), 42065#(and (<= 62 proc_a) (<= proc_a 62)), 42066#(and (<= 64 proc_a) (<= proc_a 64)), 42067#(and (<= 66 proc_a) (<= proc_a 66)), 42068#(and (<= 68 proc_a) (<= proc_a 68)), 42069#(and (<= proc_a 70) (<= 70 proc_a)), 42070#(and (<= 72 proc_a) (<= proc_a 72)), 42071#(and (<= proc_a 74) (<= 74 proc_a)), 42072#(and (<= proc_a 76) (<= 76 proc_a)), 42073#(and (<= 78 proc_a) (<= proc_a 78)), 42074#(and (<= proc_a 80) (<= 80 proc_a)), 42075#(and (<= 82 proc_a) (<= proc_a 82)), 42076#(and (<= proc_a 84) (<= 84 proc_a)), 42077#(and (<= 86 proc_a) (<= proc_a 86)), 42078#(and (<= 88 proc_a) (<= proc_a 88)), 42079#(and (<= proc_a 90) (<= 90 proc_a)), 42080#(and (<= 92 proc_a) (<= proc_a 92)), 42081#(and (<= proc_a 94) (<= 94 proc_a)), 42082#(and (<= proc_a 96) (<= 96 proc_a)), 42083#(and (<= 98 proc_a) (<= proc_a 98)), 42084#(and (<= proc_a 100) (<= 100 proc_a)), 42085#(and (<= 102 proc_a) (<= proc_a 102)), 42086#(and (<= proc_a 104) (<= 104 proc_a)), 42087#(and (<= 106 proc_a) (<= proc_a 106)), 42088#(and (<= proc_a 108) (<= 108 proc_a)), 42089#(and (<= proc_a 110) (<= 110 proc_a)), 42090#(and (<= proc_a 112) (<= 112 proc_a)), 42091#(and (<= 114 proc_a) (<= proc_a 114)), 42092#(and (<= 116 proc_a) (<= proc_a 116)), 42093#(and (<= proc_a 118) (<= 118 proc_a)), 42094#(and (<= 120 proc_a) (<= proc_a 120)), 42095#(and (<= proc_a 122) (<= 122 proc_a)), 42096#(and (<= proc_a 124) (<= 124 proc_a)), 42097#(and (<= proc_a 126) (<= 126 proc_a)), 42098#(and (<= 128 proc_a) (<= proc_a 128)), 42099#(and (<= proc_a 130) (<= 130 proc_a)), 42100#(and (<= 132 proc_a) (<= proc_a 132)), 42101#(and (<= proc_a 134) (<= 134 proc_a)), 42102#(and (<= proc_a 136) (<= 136 proc_a)), 42103#(and (<= proc_a 138) (<= 138 proc_a)), 42104#(and (<= proc_a 140) (<= 140 proc_a)), 42105#(and (<= 142 proc_a) (<= proc_a 142)), 42106#(and (<= 144 proc_a) (<= proc_a 144)), 42107#(and (<= proc_a 146) (<= 146 proc_a)), 42108#(and (<= 148 proc_a) (<= proc_a 148)), 42109#(and (<= proc_a 150) (<= 150 proc_a)), 42110#(and (<= proc_a 152) (<= 152 proc_a)), 42111#(and (<= 154 proc_a) (<= proc_a 154)), 42112#(and (<= 156 proc_a) (<= proc_a 156)), 42113#(and (<= proc_a 158) (<= 158 proc_a)), 42114#(and (<= 160 proc_a) (<= proc_a 160)), 42115#(and (<= proc_a 162) (<= 162 proc_a)), 42116#(and (<= 164 proc_a) (<= proc_a 164)), 42117#(and (<= 166 proc_a) (<= proc_a 166)), 42118#(and (<= 168 proc_a) (<= proc_a 168)), 42119#(and (<= 170 proc_a) (<= proc_a 170)), 42120#(and (<= 172 proc_a) (<= proc_a 172)), 42121#(and (<= proc_a 174) (<= 174 proc_a)), 42122#(and (<= 176 proc_a) (<= proc_a 176)), 42123#(and (<= 178 proc_a) (<= proc_a 178)), 42124#(and (<= proc_a 180) (<= 180 proc_a)), 42125#(and (<= proc_a 182) (<= 182 proc_a)), 42126#(and (<= 184 proc_a) (<= proc_a 184)), 42127#(and (<= 186 proc_a) (<= proc_a 186)), 42128#(and (<= 188 proc_a) (<= proc_a 188)), 42129#(and (<= 190 proc_a) (<= proc_a 190)), 42130#(and (<= proc_a 192) (<= 192 proc_a)), 42131#(and (<= 194 proc_a) (<= proc_a 194)), 42132#(and (<= proc_a 196) (<= 196 proc_a)), 42133#(and (<= 198 proc_a) (<= proc_a 198)), 42134#(and (<= proc_a 200) (<= 200 proc_a)), 42135#(and (<= proc_a 202) (<= 202 proc_a)), 42136#(and (<= 204 proc_a) (<= proc_a 204)), 42137#(and (<= 206 proc_a) (<= proc_a 206)), 42138#(and (<= 208 proc_a) (<= proc_a 208)), 42139#(and (<= proc_a 210) (<= 210 proc_a)), 42140#(and (<= proc_a 212) (<= 212 proc_a)), 42141#(and (<= 214 proc_a) (<= proc_a 214)), 42142#(and (<= 216 proc_a) (<= proc_a 216)), 42143#(and (<= proc_a 218) (<= 218 proc_a)), 42144#(and (<= proc_a 220) (<= 220 proc_a)), 42145#(and (<= 222 proc_a) (<= proc_a 222)), 42146#(and (<= 224 proc_a) (<= proc_a 224)), 42147#(and (<= proc_a 226) (<= 226 proc_a)), 42148#(and (<= 228 proc_a) (<= proc_a 228)), 42149#(and (<= proc_a 230) (<= 230 proc_a)), 42150#(and (<= 232 proc_a) (<= proc_a 232)), 42151#(and (<= proc_a 234) (<= 234 proc_a)), 42152#(and (<= proc_a 236) (<= 236 proc_a)), 42153#(and (<= 238 proc_a) (<= proc_a 238)), 42154#(and (<= 240 proc_a) (<= proc_a 240)), 42155#(and (<= proc_a 242) (<= 242 proc_a)), 42156#(and (<= proc_a 244) (<= 244 proc_a)), 42157#(and (<= proc_a 246) (<= 246 proc_a)), 42158#(and (<= 248 proc_a) (<= proc_a 248)), 42159#(and (<= proc_a 250) (<= 250 proc_a)), 42160#(and (<= 252 proc_a) (<= proc_a 252))] [2018-07-23 13:52:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:01,882 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:52:01,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:52:01,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:52:01,883 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 129 states. [2018-07-23 13:52:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:02,790 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:52:02,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:52:02,791 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 128 [2018-07-23 13:52:02,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:02,791 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:52:02,791 INFO L226 Difference]: Without dead ends: 130 [2018-07-23 13:52:02,792 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:52:02,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-07-23 13:52:02,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-07-23 13:52:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-07-23 13:52:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-07-23 13:52:02,796 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 128 [2018-07-23 13:52:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:02,796 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-07-23 13:52:02,796 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:52:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-07-23 13:52:02,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-23 13:52:02,797 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:02,797 INFO L357 BasicCegarLoop]: trace histogram [127, 1, 1] [2018-07-23 13:52:02,797 INFO L414 AbstractCegarLoop]: === Iteration 128 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:02,798 INFO L82 PathProgramCache]: Analyzing trace with hash 417542177, now seen corresponding path program 127 times [2018-07-23 13:52:02,798 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:03,518 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:03,518 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:52:03,518 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:03,518 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 13:52:03,519 INFO L185 omatonBuilderFactory]: Interpolants [42752#(and (<= proc_a 134) (<= 134 proc_a)), 42753#(and (<= proc_a 136) (<= 136 proc_a)), 42754#(and (<= proc_a 138) (<= 138 proc_a)), 42755#(and (<= proc_a 140) (<= 140 proc_a)), 42756#(and (<= 142 proc_a) (<= proc_a 142)), 42757#(and (<= 144 proc_a) (<= proc_a 144)), 42758#(and (<= proc_a 146) (<= 146 proc_a)), 42759#(and (<= 148 proc_a) (<= proc_a 148)), 42760#(and (<= proc_a 150) (<= 150 proc_a)), 42761#(and (<= proc_a 152) (<= 152 proc_a)), 42762#(and (<= 154 proc_a) (<= proc_a 154)), 42763#(and (<= 156 proc_a) (<= proc_a 156)), 42764#(and (<= proc_a 158) (<= 158 proc_a)), 42765#(and (<= 160 proc_a) (<= proc_a 160)), 42766#(and (<= proc_a 162) (<= 162 proc_a)), 42767#(and (<= 164 proc_a) (<= proc_a 164)), 42768#(and (<= 166 proc_a) (<= proc_a 166)), 42769#(and (<= 168 proc_a) (<= proc_a 168)), 42770#(and (<= 170 proc_a) (<= proc_a 170)), 42771#(and (<= 172 proc_a) (<= proc_a 172)), 42772#(and (<= proc_a 174) (<= 174 proc_a)), 42773#(and (<= 176 proc_a) (<= proc_a 176)), 42774#(and (<= 178 proc_a) (<= proc_a 178)), 42775#(and (<= proc_a 180) (<= 180 proc_a)), 42776#(and (<= proc_a 182) (<= 182 proc_a)), 42777#(and (<= 184 proc_a) (<= proc_a 184)), 42778#(and (<= 186 proc_a) (<= proc_a 186)), 42779#(and (<= 188 proc_a) (<= proc_a 188)), 42780#(and (<= 190 proc_a) (<= proc_a 190)), 42781#(and (<= proc_a 192) (<= 192 proc_a)), 42782#(and (<= 194 proc_a) (<= proc_a 194)), 42783#(and (<= proc_a 196) (<= 196 proc_a)), 42784#(and (<= 198 proc_a) (<= proc_a 198)), 42785#(and (<= proc_a 200) (<= 200 proc_a)), 42786#(and (<= proc_a 202) (<= 202 proc_a)), 42787#(and (<= 204 proc_a) (<= proc_a 204)), 42788#(and (<= 206 proc_a) (<= proc_a 206)), 42789#(and (<= 208 proc_a) (<= proc_a 208)), 42790#(and (<= proc_a 210) (<= 210 proc_a)), 42791#(and (<= proc_a 212) (<= 212 proc_a)), 42792#(and (<= 214 proc_a) (<= proc_a 214)), 42793#(and (<= 216 proc_a) (<= proc_a 216)), 42794#(and (<= proc_a 218) (<= 218 proc_a)), 42795#(and (<= proc_a 220) (<= 220 proc_a)), 42796#(and (<= 222 proc_a) (<= proc_a 222)), 42797#(and (<= 224 proc_a) (<= proc_a 224)), 42798#(and (<= proc_a 226) (<= 226 proc_a)), 42799#(and (<= 228 proc_a) (<= proc_a 228)), 42800#(and (<= proc_a 230) (<= 230 proc_a)), 42801#(and (<= 232 proc_a) (<= proc_a 232)), 42802#(and (<= proc_a 234) (<= 234 proc_a)), 42803#(and (<= proc_a 236) (<= 236 proc_a)), 42804#(and (<= 238 proc_a) (<= proc_a 238)), 42805#(and (<= 240 proc_a) (<= proc_a 240)), 42806#(and (<= proc_a 242) (<= 242 proc_a)), 42807#(and (<= proc_a 244) (<= 244 proc_a)), 42808#(and (<= proc_a 246) (<= 246 proc_a)), 42809#(and (<= 248 proc_a) (<= proc_a 248)), 42810#(and (<= proc_a 250) (<= 250 proc_a)), 42811#(and (<= 252 proc_a) (<= proc_a 252)), 42812#(and (<= 254 proc_a) (<= proc_a 254)), 42683#true, 42684#false, 42685#(and (<= proc_a 0) (<= 0 proc_a)), 42686#(and (<= 2 proc_a) (<= proc_a 2)), 42687#(and (<= 4 proc_a) (<= proc_a 4)), 42688#(and (<= 6 proc_a) (<= proc_a 6)), 42689#(and (<= proc_a 8) (<= 8 proc_a)), 42690#(and (<= 10 proc_a) (<= proc_a 10)), 42691#(and (<= proc_a 12) (<= 12 proc_a)), 42692#(and (<= 14 proc_a) (<= proc_a 14)), 42693#(and (<= proc_a 16) (<= 16 proc_a)), 42694#(and (<= 18 proc_a) (<= proc_a 18)), 42695#(and (<= 20 proc_a) (<= proc_a 20)), 42696#(and (<= 22 proc_a) (<= proc_a 22)), 42697#(and (<= 24 proc_a) (<= proc_a 24)), 42698#(and (<= 26 proc_a) (<= proc_a 26)), 42699#(and (<= proc_a 28) (<= 28 proc_a)), 42700#(and (<= proc_a 30) (<= 30 proc_a)), 42701#(and (<= 32 proc_a) (<= proc_a 32)), 42702#(and (<= 34 proc_a) (<= proc_a 34)), 42703#(and (<= 36 proc_a) (<= proc_a 36)), 42704#(and (<= 38 proc_a) (<= proc_a 38)), 42705#(and (<= 40 proc_a) (<= proc_a 40)), 42706#(and (<= proc_a 42) (<= 42 proc_a)), 42707#(and (<= proc_a 44) (<= 44 proc_a)), 42708#(and (<= proc_a 46) (<= 46 proc_a)), 42709#(and (<= 48 proc_a) (<= proc_a 48)), 42710#(and (<= 50 proc_a) (<= proc_a 50)), 42711#(and (<= 52 proc_a) (<= proc_a 52)), 42712#(and (<= 54 proc_a) (<= proc_a 54)), 42713#(and (<= proc_a 56) (<= 56 proc_a)), 42714#(and (<= proc_a 58) (<= 58 proc_a)), 42715#(and (<= 60 proc_a) (<= proc_a 60)), 42716#(and (<= 62 proc_a) (<= proc_a 62)), 42717#(and (<= 64 proc_a) (<= proc_a 64)), 42718#(and (<= 66 proc_a) (<= proc_a 66)), 42719#(and (<= 68 proc_a) (<= proc_a 68)), 42720#(and (<= proc_a 70) (<= 70 proc_a)), 42721#(and (<= 72 proc_a) (<= proc_a 72)), 42722#(and (<= proc_a 74) (<= 74 proc_a)), 42723#(and (<= proc_a 76) (<= 76 proc_a)), 42724#(and (<= 78 proc_a) (<= proc_a 78)), 42725#(and (<= proc_a 80) (<= 80 proc_a)), 42726#(and (<= 82 proc_a) (<= proc_a 82)), 42727#(and (<= proc_a 84) (<= 84 proc_a)), 42728#(and (<= 86 proc_a) (<= proc_a 86)), 42729#(and (<= 88 proc_a) (<= proc_a 88)), 42730#(and (<= proc_a 90) (<= 90 proc_a)), 42731#(and (<= 92 proc_a) (<= proc_a 92)), 42732#(and (<= proc_a 94) (<= 94 proc_a)), 42733#(and (<= proc_a 96) (<= 96 proc_a)), 42734#(and (<= 98 proc_a) (<= proc_a 98)), 42735#(and (<= proc_a 100) (<= 100 proc_a)), 42736#(and (<= 102 proc_a) (<= proc_a 102)), 42737#(and (<= proc_a 104) (<= 104 proc_a)), 42738#(and (<= 106 proc_a) (<= proc_a 106)), 42739#(and (<= proc_a 108) (<= 108 proc_a)), 42740#(and (<= proc_a 110) (<= 110 proc_a)), 42741#(and (<= proc_a 112) (<= 112 proc_a)), 42742#(and (<= 114 proc_a) (<= proc_a 114)), 42743#(and (<= 116 proc_a) (<= proc_a 116)), 42744#(and (<= proc_a 118) (<= 118 proc_a)), 42745#(and (<= 120 proc_a) (<= proc_a 120)), 42746#(and (<= proc_a 122) (<= 122 proc_a)), 42747#(and (<= proc_a 124) (<= 124 proc_a)), 42748#(and (<= proc_a 126) (<= 126 proc_a)), 42749#(and (<= 128 proc_a) (<= proc_a 128)), 42750#(and (<= proc_a 130) (<= 130 proc_a)), 42751#(and (<= 132 proc_a) (<= proc_a 132))] [2018-07-23 13:52:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:03,520 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:52:03,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:52:03,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:52:03,521 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 130 states. [2018-07-23 13:52:04,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:04,347 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-07-23 13:52:04,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:52:04,347 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 129 [2018-07-23 13:52:04,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:04,348 INFO L225 Difference]: With dead ends: 132 [2018-07-23 13:52:04,348 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:52:04,349 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:52:04,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:52:04,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:52:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:52:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:52:04,356 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 129 [2018-07-23 13:52:04,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:04,356 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:52:04,356 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:52:04,356 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:52:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:52:04,357 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:04,357 INFO L357 BasicCegarLoop]: trace histogram [128, 1, 1] [2018-07-23 13:52:04,357 INFO L414 AbstractCegarLoop]: === Iteration 129 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:04,357 INFO L82 PathProgramCache]: Analyzing trace with hash 58905543, now seen corresponding path program 128 times [2018-07-23 13:52:04,358 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:05,051 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:05,051 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:52:05,052 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:05,052 INFO L185 omatonBuilderFactory]: Interpolants [43339#true, 43340#false, 43341#(and (<= proc_a 0) (<= 0 proc_a)), 43342#(and (<= 2 proc_a) (<= proc_a 2)), 43343#(and (<= 4 proc_a) (<= proc_a 4)), 43344#(and (<= 6 proc_a) (<= proc_a 6)), 43345#(and (<= proc_a 8) (<= 8 proc_a)), 43346#(and (<= 10 proc_a) (<= proc_a 10)), 43347#(and (<= proc_a 12) (<= 12 proc_a)), 43348#(and (<= 14 proc_a) (<= proc_a 14)), 43349#(and (<= proc_a 16) (<= 16 proc_a)), 43350#(and (<= 18 proc_a) (<= proc_a 18)), 43351#(and (<= 20 proc_a) (<= proc_a 20)), 43352#(and (<= 22 proc_a) (<= proc_a 22)), 43353#(and (<= 24 proc_a) (<= proc_a 24)), 43354#(and (<= 26 proc_a) (<= proc_a 26)), 43355#(and (<= proc_a 28) (<= 28 proc_a)), 43356#(and (<= proc_a 30) (<= 30 proc_a)), 43357#(and (<= 32 proc_a) (<= proc_a 32)), 43358#(and (<= 34 proc_a) (<= proc_a 34)), 43359#(and (<= 36 proc_a) (<= proc_a 36)), 43360#(and (<= 38 proc_a) (<= proc_a 38)), 43361#(and (<= 40 proc_a) (<= proc_a 40)), 43362#(and (<= proc_a 42) (<= 42 proc_a)), 43363#(and (<= proc_a 44) (<= 44 proc_a)), 43364#(and (<= proc_a 46) (<= 46 proc_a)), 43365#(and (<= 48 proc_a) (<= proc_a 48)), 43366#(and (<= 50 proc_a) (<= proc_a 50)), 43367#(and (<= 52 proc_a) (<= proc_a 52)), 43368#(and (<= 54 proc_a) (<= proc_a 54)), 43369#(and (<= proc_a 56) (<= 56 proc_a)), 43370#(and (<= proc_a 58) (<= 58 proc_a)), 43371#(and (<= 60 proc_a) (<= proc_a 60)), 43372#(and (<= 62 proc_a) (<= proc_a 62)), 43373#(and (<= 64 proc_a) (<= proc_a 64)), 43374#(and (<= 66 proc_a) (<= proc_a 66)), 43375#(and (<= 68 proc_a) (<= proc_a 68)), 43376#(and (<= proc_a 70) (<= 70 proc_a)), 43377#(and (<= 72 proc_a) (<= proc_a 72)), 43378#(and (<= proc_a 74) (<= 74 proc_a)), 43379#(and (<= proc_a 76) (<= 76 proc_a)), 43380#(and (<= 78 proc_a) (<= proc_a 78)), 43381#(and (<= proc_a 80) (<= 80 proc_a)), 43382#(and (<= 82 proc_a) (<= proc_a 82)), 43383#(and (<= proc_a 84) (<= 84 proc_a)), 43384#(and (<= 86 proc_a) (<= proc_a 86)), 43385#(and (<= 88 proc_a) (<= proc_a 88)), 43386#(and (<= proc_a 90) (<= 90 proc_a)), 43387#(and (<= 92 proc_a) (<= proc_a 92)), 43388#(and (<= proc_a 94) (<= 94 proc_a)), 43389#(and (<= proc_a 96) (<= 96 proc_a)), 43390#(and (<= 98 proc_a) (<= proc_a 98)), 43391#(and (<= proc_a 100) (<= 100 proc_a)), 43392#(and (<= 102 proc_a) (<= proc_a 102)), 43393#(and (<= proc_a 104) (<= 104 proc_a)), 43394#(and (<= 106 proc_a) (<= proc_a 106)), 43395#(and (<= proc_a 108) (<= 108 proc_a)), 43396#(and (<= proc_a 110) (<= 110 proc_a)), 43397#(and (<= proc_a 112) (<= 112 proc_a)), 43398#(and (<= 114 proc_a) (<= proc_a 114)), 43399#(and (<= 116 proc_a) (<= proc_a 116)), 43400#(and (<= proc_a 118) (<= 118 proc_a)), 43401#(and (<= 120 proc_a) (<= proc_a 120)), 43402#(and (<= proc_a 122) (<= 122 proc_a)), 43403#(and (<= proc_a 124) (<= 124 proc_a)), 43404#(and (<= proc_a 126) (<= 126 proc_a)), 43405#(and (<= 128 proc_a) (<= proc_a 128)), 43406#(and (<= proc_a 130) (<= 130 proc_a)), 43407#(and (<= 132 proc_a) (<= proc_a 132)), 43408#(and (<= proc_a 134) (<= 134 proc_a)), 43409#(and (<= proc_a 136) (<= 136 proc_a)), 43410#(and (<= proc_a 138) (<= 138 proc_a)), 43411#(and (<= proc_a 140) (<= 140 proc_a)), 43412#(and (<= 142 proc_a) (<= proc_a 142)), 43413#(and (<= 144 proc_a) (<= proc_a 144)), 43414#(and (<= proc_a 146) (<= 146 proc_a)), 43415#(and (<= 148 proc_a) (<= proc_a 148)), 43416#(and (<= proc_a 150) (<= 150 proc_a)), 43417#(and (<= proc_a 152) (<= 152 proc_a)), 43418#(and (<= 154 proc_a) (<= proc_a 154)), 43419#(and (<= 156 proc_a) (<= proc_a 156)), 43420#(and (<= proc_a 158) (<= 158 proc_a)), 43421#(and (<= 160 proc_a) (<= proc_a 160)), 43422#(and (<= proc_a 162) (<= 162 proc_a)), 43423#(and (<= 164 proc_a) (<= proc_a 164)), 43424#(and (<= 166 proc_a) (<= proc_a 166)), 43425#(and (<= 168 proc_a) (<= proc_a 168)), 43426#(and (<= 170 proc_a) (<= proc_a 170)), 43427#(and (<= 172 proc_a) (<= proc_a 172)), 43428#(and (<= proc_a 174) (<= 174 proc_a)), 43429#(and (<= 176 proc_a) (<= proc_a 176)), 43430#(and (<= 178 proc_a) (<= proc_a 178)), 43431#(and (<= proc_a 180) (<= 180 proc_a)), 43432#(and (<= proc_a 182) (<= 182 proc_a)), 43433#(and (<= 184 proc_a) (<= proc_a 184)), 43434#(and (<= 186 proc_a) (<= proc_a 186)), 43435#(and (<= 188 proc_a) (<= proc_a 188)), 43436#(and (<= 190 proc_a) (<= proc_a 190)), 43437#(and (<= proc_a 192) (<= 192 proc_a)), 43438#(and (<= 194 proc_a) (<= proc_a 194)), 43439#(and (<= proc_a 196) (<= 196 proc_a)), 43440#(and (<= 198 proc_a) (<= proc_a 198)), 43441#(and (<= proc_a 200) (<= 200 proc_a)), 43442#(and (<= proc_a 202) (<= 202 proc_a)), 43443#(and (<= 204 proc_a) (<= proc_a 204)), 43444#(and (<= 206 proc_a) (<= proc_a 206)), 43445#(and (<= 208 proc_a) (<= proc_a 208)), 43446#(and (<= proc_a 210) (<= 210 proc_a)), 43447#(and (<= proc_a 212) (<= 212 proc_a)), 43448#(and (<= 214 proc_a) (<= proc_a 214)), 43449#(and (<= 216 proc_a) (<= proc_a 216)), 43450#(and (<= proc_a 218) (<= 218 proc_a)), 43451#(and (<= proc_a 220) (<= 220 proc_a)), 43452#(and (<= 222 proc_a) (<= proc_a 222)), 43453#(and (<= 224 proc_a) (<= proc_a 224)), 43454#(and (<= proc_a 226) (<= 226 proc_a)), 43455#(and (<= 228 proc_a) (<= proc_a 228)), 43456#(and (<= proc_a 230) (<= 230 proc_a)), 43457#(and (<= 232 proc_a) (<= proc_a 232)), 43458#(and (<= proc_a 234) (<= 234 proc_a)), 43459#(and (<= proc_a 236) (<= 236 proc_a)), 43460#(and (<= 238 proc_a) (<= proc_a 238)), 43461#(and (<= 240 proc_a) (<= proc_a 240)), 43462#(and (<= proc_a 242) (<= 242 proc_a)), 43463#(and (<= proc_a 244) (<= 244 proc_a)), 43464#(and (<= proc_a 246) (<= 246 proc_a)), 43465#(and (<= 248 proc_a) (<= proc_a 248)), 43466#(and (<= proc_a 250) (<= 250 proc_a)), 43467#(and (<= 252 proc_a) (<= proc_a 252)), 43468#(and (<= 254 proc_a) (<= proc_a 254)), 43469#(and (<= proc_a 256) (<= 256 proc_a))] [2018-07-23 13:52:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:05,053 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:52:05,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:52:05,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:52:05,054 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 131 states. [2018-07-23 13:52:05,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:05,893 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:52:05,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:52:05,894 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 130 [2018-07-23 13:52:05,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:05,894 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:52:05,894 INFO L226 Difference]: Without dead ends: 132 [2018-07-23 13:52:05,895 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:52:05,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-23 13:52:05,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-07-23 13:52:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-07-23 13:52:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-07-23 13:52:05,899 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 130 [2018-07-23 13:52:05,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:05,900 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-07-23 13:52:05,900 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:52:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-07-23 13:52:05,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 13:52:05,900 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:05,900 INFO L357 BasicCegarLoop]: trace histogram [129, 1, 1] [2018-07-23 13:52:05,900 INFO L414 AbstractCegarLoop]: === Iteration 130 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:05,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1826071777, now seen corresponding path program 129 times [2018-07-23 13:52:05,901 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:06,608 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:06,608 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:52:06,608 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:06,608 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 13:52:06,609 INFO L185 omatonBuilderFactory]: Interpolants [44032#(and (<= 60 proc_a) (<= proc_a 60)), 44033#(and (<= 62 proc_a) (<= proc_a 62)), 44034#(and (<= 64 proc_a) (<= proc_a 64)), 44035#(and (<= 66 proc_a) (<= proc_a 66)), 44036#(and (<= 68 proc_a) (<= proc_a 68)), 44037#(and (<= proc_a 70) (<= 70 proc_a)), 44038#(and (<= 72 proc_a) (<= proc_a 72)), 44039#(and (<= proc_a 74) (<= 74 proc_a)), 44040#(and (<= proc_a 76) (<= 76 proc_a)), 44041#(and (<= 78 proc_a) (<= proc_a 78)), 44042#(and (<= proc_a 80) (<= 80 proc_a)), 44043#(and (<= 82 proc_a) (<= proc_a 82)), 44044#(and (<= proc_a 84) (<= 84 proc_a)), 44045#(and (<= 86 proc_a) (<= proc_a 86)), 44046#(and (<= 88 proc_a) (<= proc_a 88)), 44047#(and (<= proc_a 90) (<= 90 proc_a)), 44048#(and (<= 92 proc_a) (<= proc_a 92)), 44049#(and (<= proc_a 94) (<= 94 proc_a)), 44050#(and (<= proc_a 96) (<= 96 proc_a)), 44051#(and (<= 98 proc_a) (<= proc_a 98)), 44052#(and (<= proc_a 100) (<= 100 proc_a)), 44053#(and (<= 102 proc_a) (<= proc_a 102)), 44054#(and (<= proc_a 104) (<= 104 proc_a)), 44055#(and (<= 106 proc_a) (<= proc_a 106)), 44056#(and (<= proc_a 108) (<= 108 proc_a)), 44057#(and (<= proc_a 110) (<= 110 proc_a)), 44058#(and (<= proc_a 112) (<= 112 proc_a)), 44059#(and (<= 114 proc_a) (<= proc_a 114)), 44060#(and (<= 116 proc_a) (<= proc_a 116)), 44061#(and (<= proc_a 118) (<= 118 proc_a)), 44062#(and (<= 120 proc_a) (<= proc_a 120)), 44063#(and (<= proc_a 122) (<= 122 proc_a)), 44064#(and (<= proc_a 124) (<= 124 proc_a)), 44065#(and (<= proc_a 126) (<= 126 proc_a)), 44066#(and (<= 128 proc_a) (<= proc_a 128)), 44067#(and (<= proc_a 130) (<= 130 proc_a)), 44068#(and (<= 132 proc_a) (<= proc_a 132)), 44069#(and (<= proc_a 134) (<= 134 proc_a)), 44070#(and (<= proc_a 136) (<= 136 proc_a)), 44071#(and (<= proc_a 138) (<= 138 proc_a)), 44072#(and (<= proc_a 140) (<= 140 proc_a)), 44073#(and (<= 142 proc_a) (<= proc_a 142)), 44074#(and (<= 144 proc_a) (<= proc_a 144)), 44075#(and (<= proc_a 146) (<= 146 proc_a)), 44076#(and (<= 148 proc_a) (<= proc_a 148)), 44077#(and (<= proc_a 150) (<= 150 proc_a)), 44078#(and (<= proc_a 152) (<= 152 proc_a)), 44079#(and (<= 154 proc_a) (<= proc_a 154)), 44080#(and (<= 156 proc_a) (<= proc_a 156)), 44081#(and (<= proc_a 158) (<= 158 proc_a)), 44082#(and (<= 160 proc_a) (<= proc_a 160)), 44083#(and (<= proc_a 162) (<= 162 proc_a)), 44084#(and (<= 164 proc_a) (<= proc_a 164)), 44085#(and (<= 166 proc_a) (<= proc_a 166)), 44086#(and (<= 168 proc_a) (<= proc_a 168)), 44087#(and (<= 170 proc_a) (<= proc_a 170)), 44088#(and (<= 172 proc_a) (<= proc_a 172)), 44089#(and (<= proc_a 174) (<= 174 proc_a)), 44090#(and (<= 176 proc_a) (<= proc_a 176)), 44091#(and (<= 178 proc_a) (<= proc_a 178)), 44092#(and (<= proc_a 180) (<= 180 proc_a)), 44093#(and (<= proc_a 182) (<= 182 proc_a)), 44094#(and (<= 184 proc_a) (<= proc_a 184)), 44095#(and (<= 186 proc_a) (<= proc_a 186)), 44096#(and (<= 188 proc_a) (<= proc_a 188)), 44097#(and (<= 190 proc_a) (<= proc_a 190)), 44098#(and (<= proc_a 192) (<= 192 proc_a)), 44099#(and (<= 194 proc_a) (<= proc_a 194)), 44100#(and (<= proc_a 196) (<= 196 proc_a)), 44101#(and (<= 198 proc_a) (<= proc_a 198)), 44102#(and (<= proc_a 200) (<= 200 proc_a)), 44103#(and (<= proc_a 202) (<= 202 proc_a)), 44104#(and (<= 204 proc_a) (<= proc_a 204)), 44105#(and (<= 206 proc_a) (<= proc_a 206)), 44106#(and (<= 208 proc_a) (<= proc_a 208)), 44107#(and (<= proc_a 210) (<= 210 proc_a)), 44108#(and (<= proc_a 212) (<= 212 proc_a)), 44109#(and (<= 214 proc_a) (<= proc_a 214)), 44110#(and (<= 216 proc_a) (<= proc_a 216)), 44111#(and (<= proc_a 218) (<= 218 proc_a)), 44112#(and (<= proc_a 220) (<= 220 proc_a)), 44113#(and (<= 222 proc_a) (<= proc_a 222)), 44114#(and (<= 224 proc_a) (<= proc_a 224)), 44115#(and (<= proc_a 226) (<= 226 proc_a)), 44116#(and (<= 228 proc_a) (<= proc_a 228)), 44117#(and (<= proc_a 230) (<= 230 proc_a)), 44118#(and (<= 232 proc_a) (<= proc_a 232)), 44119#(and (<= proc_a 234) (<= 234 proc_a)), 44120#(and (<= proc_a 236) (<= 236 proc_a)), 44121#(and (<= 238 proc_a) (<= proc_a 238)), 44122#(and (<= 240 proc_a) (<= proc_a 240)), 44123#(and (<= proc_a 242) (<= 242 proc_a)), 44124#(and (<= proc_a 244) (<= 244 proc_a)), 44125#(and (<= proc_a 246) (<= 246 proc_a)), 44126#(and (<= 248 proc_a) (<= proc_a 248)), 44127#(and (<= proc_a 250) (<= 250 proc_a)), 44128#(and (<= 252 proc_a) (<= proc_a 252)), 44129#(and (<= 254 proc_a) (<= proc_a 254)), 44130#(and (<= proc_a 256) (<= 256 proc_a)), 44131#(and (<= 258 proc_a) (<= proc_a 258)), 44000#true, 44001#false, 44002#(and (<= proc_a 0) (<= 0 proc_a)), 44003#(and (<= 2 proc_a) (<= proc_a 2)), 44004#(and (<= 4 proc_a) (<= proc_a 4)), 44005#(and (<= 6 proc_a) (<= proc_a 6)), 44006#(and (<= proc_a 8) (<= 8 proc_a)), 44007#(and (<= 10 proc_a) (<= proc_a 10)), 44008#(and (<= proc_a 12) (<= 12 proc_a)), 44009#(and (<= 14 proc_a) (<= proc_a 14)), 44010#(and (<= proc_a 16) (<= 16 proc_a)), 44011#(and (<= 18 proc_a) (<= proc_a 18)), 44012#(and (<= 20 proc_a) (<= proc_a 20)), 44013#(and (<= 22 proc_a) (<= proc_a 22)), 44014#(and (<= 24 proc_a) (<= proc_a 24)), 44015#(and (<= 26 proc_a) (<= proc_a 26)), 44016#(and (<= proc_a 28) (<= 28 proc_a)), 44017#(and (<= proc_a 30) (<= 30 proc_a)), 44018#(and (<= 32 proc_a) (<= proc_a 32)), 44019#(and (<= 34 proc_a) (<= proc_a 34)), 44020#(and (<= 36 proc_a) (<= proc_a 36)), 44021#(and (<= 38 proc_a) (<= proc_a 38)), 44022#(and (<= 40 proc_a) (<= proc_a 40)), 44023#(and (<= proc_a 42) (<= 42 proc_a)), 44024#(and (<= proc_a 44) (<= 44 proc_a)), 44025#(and (<= proc_a 46) (<= 46 proc_a)), 44026#(and (<= 48 proc_a) (<= proc_a 48)), 44027#(and (<= 50 proc_a) (<= proc_a 50)), 44028#(and (<= 52 proc_a) (<= proc_a 52)), 44029#(and (<= 54 proc_a) (<= proc_a 54)), 44030#(and (<= proc_a 56) (<= 56 proc_a)), 44031#(and (<= proc_a 58) (<= 58 proc_a))] [2018-07-23 13:52:06,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:06,609 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:52:06,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:52:06,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:52:06,610 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 132 states. [2018-07-23 13:52:07,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:07,435 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-07-23 13:52:07,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:52:07,435 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 131 [2018-07-23 13:52:07,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:07,436 INFO L225 Difference]: With dead ends: 134 [2018-07-23 13:52:07,436 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:52:07,437 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:52:07,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:52:07,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:52:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:52:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:52:07,441 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 131 [2018-07-23 13:52:07,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:07,441 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:52:07,441 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:52:07,441 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:52:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:52:07,442 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:07,442 INFO L357 BasicCegarLoop]: trace histogram [130, 1, 1] [2018-07-23 13:52:07,442 INFO L414 AbstractCegarLoop]: === Iteration 131 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:07,442 INFO L82 PathProgramCache]: Analyzing trace with hash 773650183, now seen corresponding path program 130 times [2018-07-23 13:52:07,442 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:08,130 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:08,130 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:52:08,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:08,131 INFO L185 omatonBuilderFactory]: Interpolants [44666#true, 44667#false, 44668#(and (<= proc_a 0) (<= 0 proc_a)), 44669#(and (<= 2 proc_a) (<= proc_a 2)), 44670#(and (<= 4 proc_a) (<= proc_a 4)), 44671#(and (<= 6 proc_a) (<= proc_a 6)), 44672#(and (<= proc_a 8) (<= 8 proc_a)), 44673#(and (<= 10 proc_a) (<= proc_a 10)), 44674#(and (<= proc_a 12) (<= 12 proc_a)), 44675#(and (<= 14 proc_a) (<= proc_a 14)), 44676#(and (<= proc_a 16) (<= 16 proc_a)), 44677#(and (<= 18 proc_a) (<= proc_a 18)), 44678#(and (<= 20 proc_a) (<= proc_a 20)), 44679#(and (<= 22 proc_a) (<= proc_a 22)), 44680#(and (<= 24 proc_a) (<= proc_a 24)), 44681#(and (<= 26 proc_a) (<= proc_a 26)), 44682#(and (<= proc_a 28) (<= 28 proc_a)), 44683#(and (<= proc_a 30) (<= 30 proc_a)), 44684#(and (<= 32 proc_a) (<= proc_a 32)), 44685#(and (<= 34 proc_a) (<= proc_a 34)), 44686#(and (<= 36 proc_a) (<= proc_a 36)), 44687#(and (<= 38 proc_a) (<= proc_a 38)), 44688#(and (<= 40 proc_a) (<= proc_a 40)), 44689#(and (<= proc_a 42) (<= 42 proc_a)), 44690#(and (<= proc_a 44) (<= 44 proc_a)), 44691#(and (<= proc_a 46) (<= 46 proc_a)), 44692#(and (<= 48 proc_a) (<= proc_a 48)), 44693#(and (<= 50 proc_a) (<= proc_a 50)), 44694#(and (<= 52 proc_a) (<= proc_a 52)), 44695#(and (<= 54 proc_a) (<= proc_a 54)), 44696#(and (<= proc_a 56) (<= 56 proc_a)), 44697#(and (<= proc_a 58) (<= 58 proc_a)), 44698#(and (<= 60 proc_a) (<= proc_a 60)), 44699#(and (<= 62 proc_a) (<= proc_a 62)), 44700#(and (<= 64 proc_a) (<= proc_a 64)), 44701#(and (<= 66 proc_a) (<= proc_a 66)), 44702#(and (<= 68 proc_a) (<= proc_a 68)), 44703#(and (<= proc_a 70) (<= 70 proc_a)), 44704#(and (<= 72 proc_a) (<= proc_a 72)), 44705#(and (<= proc_a 74) (<= 74 proc_a)), 44706#(and (<= proc_a 76) (<= 76 proc_a)), 44707#(and (<= 78 proc_a) (<= proc_a 78)), 44708#(and (<= proc_a 80) (<= 80 proc_a)), 44709#(and (<= 82 proc_a) (<= proc_a 82)), 44710#(and (<= proc_a 84) (<= 84 proc_a)), 44711#(and (<= 86 proc_a) (<= proc_a 86)), 44712#(and (<= 88 proc_a) (<= proc_a 88)), 44713#(and (<= proc_a 90) (<= 90 proc_a)), 44714#(and (<= 92 proc_a) (<= proc_a 92)), 44715#(and (<= proc_a 94) (<= 94 proc_a)), 44716#(and (<= proc_a 96) (<= 96 proc_a)), 44717#(and (<= 98 proc_a) (<= proc_a 98)), 44718#(and (<= proc_a 100) (<= 100 proc_a)), 44719#(and (<= 102 proc_a) (<= proc_a 102)), 44720#(and (<= proc_a 104) (<= 104 proc_a)), 44721#(and (<= 106 proc_a) (<= proc_a 106)), 44722#(and (<= proc_a 108) (<= 108 proc_a)), 44723#(and (<= proc_a 110) (<= 110 proc_a)), 44724#(and (<= proc_a 112) (<= 112 proc_a)), 44725#(and (<= 114 proc_a) (<= proc_a 114)), 44726#(and (<= 116 proc_a) (<= proc_a 116)), 44727#(and (<= proc_a 118) (<= 118 proc_a)), 44728#(and (<= 120 proc_a) (<= proc_a 120)), 44729#(and (<= proc_a 122) (<= 122 proc_a)), 44730#(and (<= proc_a 124) (<= 124 proc_a)), 44731#(and (<= proc_a 126) (<= 126 proc_a)), 44732#(and (<= 128 proc_a) (<= proc_a 128)), 44733#(and (<= proc_a 130) (<= 130 proc_a)), 44734#(and (<= 132 proc_a) (<= proc_a 132)), 44735#(and (<= proc_a 134) (<= 134 proc_a)), 44736#(and (<= proc_a 136) (<= 136 proc_a)), 44737#(and (<= proc_a 138) (<= 138 proc_a)), 44738#(and (<= proc_a 140) (<= 140 proc_a)), 44739#(and (<= 142 proc_a) (<= proc_a 142)), 44740#(and (<= 144 proc_a) (<= proc_a 144)), 44741#(and (<= proc_a 146) (<= 146 proc_a)), 44742#(and (<= 148 proc_a) (<= proc_a 148)), 44743#(and (<= proc_a 150) (<= 150 proc_a)), 44744#(and (<= proc_a 152) (<= 152 proc_a)), 44745#(and (<= 154 proc_a) (<= proc_a 154)), 44746#(and (<= 156 proc_a) (<= proc_a 156)), 44747#(and (<= proc_a 158) (<= 158 proc_a)), 44748#(and (<= 160 proc_a) (<= proc_a 160)), 44749#(and (<= proc_a 162) (<= 162 proc_a)), 44750#(and (<= 164 proc_a) (<= proc_a 164)), 44751#(and (<= 166 proc_a) (<= proc_a 166)), 44752#(and (<= 168 proc_a) (<= proc_a 168)), 44753#(and (<= 170 proc_a) (<= proc_a 170)), 44754#(and (<= 172 proc_a) (<= proc_a 172)), 44755#(and (<= proc_a 174) (<= 174 proc_a)), 44756#(and (<= 176 proc_a) (<= proc_a 176)), 44757#(and (<= 178 proc_a) (<= proc_a 178)), 44758#(and (<= proc_a 180) (<= 180 proc_a)), 44759#(and (<= proc_a 182) (<= 182 proc_a)), 44760#(and (<= 184 proc_a) (<= proc_a 184)), 44761#(and (<= 186 proc_a) (<= proc_a 186)), 44762#(and (<= 188 proc_a) (<= proc_a 188)), 44763#(and (<= 190 proc_a) (<= proc_a 190)), 44764#(and (<= proc_a 192) (<= 192 proc_a)), 44765#(and (<= 194 proc_a) (<= proc_a 194)), 44766#(and (<= proc_a 196) (<= 196 proc_a)), 44767#(and (<= 198 proc_a) (<= proc_a 198)), 44768#(and (<= proc_a 200) (<= 200 proc_a)), 44769#(and (<= proc_a 202) (<= 202 proc_a)), 44770#(and (<= 204 proc_a) (<= proc_a 204)), 44771#(and (<= 206 proc_a) (<= proc_a 206)), 44772#(and (<= 208 proc_a) (<= proc_a 208)), 44773#(and (<= proc_a 210) (<= 210 proc_a)), 44774#(and (<= proc_a 212) (<= 212 proc_a)), 44775#(and (<= 214 proc_a) (<= proc_a 214)), 44776#(and (<= 216 proc_a) (<= proc_a 216)), 44777#(and (<= proc_a 218) (<= 218 proc_a)), 44778#(and (<= proc_a 220) (<= 220 proc_a)), 44779#(and (<= 222 proc_a) (<= proc_a 222)), 44780#(and (<= 224 proc_a) (<= proc_a 224)), 44781#(and (<= proc_a 226) (<= 226 proc_a)), 44782#(and (<= 228 proc_a) (<= proc_a 228)), 44783#(and (<= proc_a 230) (<= 230 proc_a)), 44784#(and (<= 232 proc_a) (<= proc_a 232)), 44785#(and (<= proc_a 234) (<= 234 proc_a)), 44786#(and (<= proc_a 236) (<= 236 proc_a)), 44787#(and (<= 238 proc_a) (<= proc_a 238)), 44788#(and (<= 240 proc_a) (<= proc_a 240)), 44789#(and (<= proc_a 242) (<= 242 proc_a)), 44790#(and (<= proc_a 244) (<= 244 proc_a)), 44791#(and (<= proc_a 246) (<= 246 proc_a)), 44792#(and (<= 248 proc_a) (<= proc_a 248)), 44793#(and (<= proc_a 250) (<= 250 proc_a)), 44794#(and (<= 252 proc_a) (<= proc_a 252)), 44795#(and (<= 254 proc_a) (<= proc_a 254)), 44796#(and (<= proc_a 256) (<= 256 proc_a)), 44797#(and (<= 258 proc_a) (<= proc_a 258)), 44798#(and (<= proc_a 260) (<= 260 proc_a))] [2018-07-23 13:52:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:08,131 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:52:08,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:52:08,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:52:08,132 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 133 states. [2018-07-23 13:52:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:08,998 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:52:08,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:52:08,998 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 132 [2018-07-23 13:52:08,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:08,998 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:52:08,998 INFO L226 Difference]: Without dead ends: 134 [2018-07-23 13:52:08,999 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:52:09,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-23 13:52:09,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-07-23 13:52:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-07-23 13:52:09,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 134 transitions. [2018-07-23 13:52:09,003 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 134 transitions. Word has length 132 [2018-07-23 13:52:09,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:09,004 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 134 transitions. [2018-07-23 13:52:09,004 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:52:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 134 transitions. [2018-07-23 13:52:09,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-23 13:52:09,004 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:09,004 INFO L357 BasicCegarLoop]: trace histogram [131, 1, 1] [2018-07-23 13:52:09,004 INFO L414 AbstractCegarLoop]: === Iteration 132 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:09,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1786648159, now seen corresponding path program 131 times [2018-07-23 13:52:09,005 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:09,714 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:09,714 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:52:09,714 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:09,715 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 13:52:09,715 INFO L185 omatonBuilderFactory]: Interpolants [45337#true, 45338#false, 45339#(and (<= proc_a 0) (<= 0 proc_a)), 45340#(and (<= 2 proc_a) (<= proc_a 2)), 45341#(and (<= 4 proc_a) (<= proc_a 4)), 45342#(and (<= 6 proc_a) (<= proc_a 6)), 45343#(and (<= proc_a 8) (<= 8 proc_a)), 45344#(and (<= 10 proc_a) (<= proc_a 10)), 45345#(and (<= proc_a 12) (<= 12 proc_a)), 45346#(and (<= 14 proc_a) (<= proc_a 14)), 45347#(and (<= proc_a 16) (<= 16 proc_a)), 45348#(and (<= 18 proc_a) (<= proc_a 18)), 45349#(and (<= 20 proc_a) (<= proc_a 20)), 45350#(and (<= 22 proc_a) (<= proc_a 22)), 45351#(and (<= 24 proc_a) (<= proc_a 24)), 45352#(and (<= 26 proc_a) (<= proc_a 26)), 45353#(and (<= proc_a 28) (<= 28 proc_a)), 45354#(and (<= proc_a 30) (<= 30 proc_a)), 45355#(and (<= 32 proc_a) (<= proc_a 32)), 45356#(and (<= 34 proc_a) (<= proc_a 34)), 45357#(and (<= 36 proc_a) (<= proc_a 36)), 45358#(and (<= 38 proc_a) (<= proc_a 38)), 45359#(and (<= 40 proc_a) (<= proc_a 40)), 45360#(and (<= proc_a 42) (<= 42 proc_a)), 45361#(and (<= proc_a 44) (<= 44 proc_a)), 45362#(and (<= proc_a 46) (<= 46 proc_a)), 45363#(and (<= 48 proc_a) (<= proc_a 48)), 45364#(and (<= 50 proc_a) (<= proc_a 50)), 45365#(and (<= 52 proc_a) (<= proc_a 52)), 45366#(and (<= 54 proc_a) (<= proc_a 54)), 45367#(and (<= proc_a 56) (<= 56 proc_a)), 45368#(and (<= proc_a 58) (<= 58 proc_a)), 45369#(and (<= 60 proc_a) (<= proc_a 60)), 45370#(and (<= 62 proc_a) (<= proc_a 62)), 45371#(and (<= 64 proc_a) (<= proc_a 64)), 45372#(and (<= 66 proc_a) (<= proc_a 66)), 45373#(and (<= 68 proc_a) (<= proc_a 68)), 45374#(and (<= proc_a 70) (<= 70 proc_a)), 45375#(and (<= 72 proc_a) (<= proc_a 72)), 45376#(and (<= proc_a 74) (<= 74 proc_a)), 45377#(and (<= proc_a 76) (<= 76 proc_a)), 45378#(and (<= 78 proc_a) (<= proc_a 78)), 45379#(and (<= proc_a 80) (<= 80 proc_a)), 45380#(and (<= 82 proc_a) (<= proc_a 82)), 45381#(and (<= proc_a 84) (<= 84 proc_a)), 45382#(and (<= 86 proc_a) (<= proc_a 86)), 45383#(and (<= 88 proc_a) (<= proc_a 88)), 45384#(and (<= proc_a 90) (<= 90 proc_a)), 45385#(and (<= 92 proc_a) (<= proc_a 92)), 45386#(and (<= proc_a 94) (<= 94 proc_a)), 45387#(and (<= proc_a 96) (<= 96 proc_a)), 45388#(and (<= 98 proc_a) (<= proc_a 98)), 45389#(and (<= proc_a 100) (<= 100 proc_a)), 45390#(and (<= 102 proc_a) (<= proc_a 102)), 45391#(and (<= proc_a 104) (<= 104 proc_a)), 45392#(and (<= 106 proc_a) (<= proc_a 106)), 45393#(and (<= proc_a 108) (<= 108 proc_a)), 45394#(and (<= proc_a 110) (<= 110 proc_a)), 45395#(and (<= proc_a 112) (<= 112 proc_a)), 45396#(and (<= 114 proc_a) (<= proc_a 114)), 45397#(and (<= 116 proc_a) (<= proc_a 116)), 45398#(and (<= proc_a 118) (<= 118 proc_a)), 45399#(and (<= 120 proc_a) (<= proc_a 120)), 45400#(and (<= proc_a 122) (<= 122 proc_a)), 45401#(and (<= proc_a 124) (<= 124 proc_a)), 45402#(and (<= proc_a 126) (<= 126 proc_a)), 45403#(and (<= 128 proc_a) (<= proc_a 128)), 45404#(and (<= proc_a 130) (<= 130 proc_a)), 45405#(and (<= 132 proc_a) (<= proc_a 132)), 45406#(and (<= proc_a 134) (<= 134 proc_a)), 45407#(and (<= proc_a 136) (<= 136 proc_a)), 45408#(and (<= proc_a 138) (<= 138 proc_a)), 45409#(and (<= proc_a 140) (<= 140 proc_a)), 45410#(and (<= 142 proc_a) (<= proc_a 142)), 45411#(and (<= 144 proc_a) (<= proc_a 144)), 45412#(and (<= proc_a 146) (<= 146 proc_a)), 45413#(and (<= 148 proc_a) (<= proc_a 148)), 45414#(and (<= proc_a 150) (<= 150 proc_a)), 45415#(and (<= proc_a 152) (<= 152 proc_a)), 45416#(and (<= 154 proc_a) (<= proc_a 154)), 45417#(and (<= 156 proc_a) (<= proc_a 156)), 45418#(and (<= proc_a 158) (<= 158 proc_a)), 45419#(and (<= 160 proc_a) (<= proc_a 160)), 45420#(and (<= proc_a 162) (<= 162 proc_a)), 45421#(and (<= 164 proc_a) (<= proc_a 164)), 45422#(and (<= 166 proc_a) (<= proc_a 166)), 45423#(and (<= 168 proc_a) (<= proc_a 168)), 45424#(and (<= 170 proc_a) (<= proc_a 170)), 45425#(and (<= 172 proc_a) (<= proc_a 172)), 45426#(and (<= proc_a 174) (<= 174 proc_a)), 45427#(and (<= 176 proc_a) (<= proc_a 176)), 45428#(and (<= 178 proc_a) (<= proc_a 178)), 45429#(and (<= proc_a 180) (<= 180 proc_a)), 45430#(and (<= proc_a 182) (<= 182 proc_a)), 45431#(and (<= 184 proc_a) (<= proc_a 184)), 45432#(and (<= 186 proc_a) (<= proc_a 186)), 45433#(and (<= 188 proc_a) (<= proc_a 188)), 45434#(and (<= 190 proc_a) (<= proc_a 190)), 45435#(and (<= proc_a 192) (<= 192 proc_a)), 45436#(and (<= 194 proc_a) (<= proc_a 194)), 45437#(and (<= proc_a 196) (<= 196 proc_a)), 45438#(and (<= 198 proc_a) (<= proc_a 198)), 45439#(and (<= proc_a 200) (<= 200 proc_a)), 45440#(and (<= proc_a 202) (<= 202 proc_a)), 45441#(and (<= 204 proc_a) (<= proc_a 204)), 45442#(and (<= 206 proc_a) (<= proc_a 206)), 45443#(and (<= 208 proc_a) (<= proc_a 208)), 45444#(and (<= proc_a 210) (<= 210 proc_a)), 45445#(and (<= proc_a 212) (<= 212 proc_a)), 45446#(and (<= 214 proc_a) (<= proc_a 214)), 45447#(and (<= 216 proc_a) (<= proc_a 216)), 45448#(and (<= proc_a 218) (<= 218 proc_a)), 45449#(and (<= proc_a 220) (<= 220 proc_a)), 45450#(and (<= 222 proc_a) (<= proc_a 222)), 45451#(and (<= 224 proc_a) (<= proc_a 224)), 45452#(and (<= proc_a 226) (<= 226 proc_a)), 45453#(and (<= 228 proc_a) (<= proc_a 228)), 45454#(and (<= proc_a 230) (<= 230 proc_a)), 45455#(and (<= 232 proc_a) (<= proc_a 232)), 45456#(and (<= proc_a 234) (<= 234 proc_a)), 45457#(and (<= proc_a 236) (<= 236 proc_a)), 45458#(and (<= 238 proc_a) (<= proc_a 238)), 45459#(and (<= 240 proc_a) (<= proc_a 240)), 45460#(and (<= proc_a 242) (<= 242 proc_a)), 45461#(and (<= proc_a 244) (<= 244 proc_a)), 45462#(and (<= proc_a 246) (<= 246 proc_a)), 45463#(and (<= 248 proc_a) (<= proc_a 248)), 45464#(and (<= proc_a 250) (<= 250 proc_a)), 45465#(and (<= 252 proc_a) (<= proc_a 252)), 45466#(and (<= 254 proc_a) (<= proc_a 254)), 45467#(and (<= proc_a 256) (<= 256 proc_a)), 45468#(and (<= 258 proc_a) (<= proc_a 258)), 45469#(and (<= proc_a 260) (<= 260 proc_a)), 45470#(and (<= 262 proc_a) (<= proc_a 262))] [2018-07-23 13:52:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:09,715 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:52:09,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:52:09,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=17557, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:52:09,716 INFO L87 Difference]: Start difference. First operand 134 states and 134 transitions. Second operand 134 states. [2018-07-23 13:52:10,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:10,672 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-07-23 13:52:10,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:52:10,672 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 133 [2018-07-23 13:52:10,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:10,673 INFO L225 Difference]: With dead ends: 136 [2018-07-23 13:52:10,673 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:52:10,674 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=265, Invalid=17557, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:52:10,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:52:10,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:52:10,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:52:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:52:10,678 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 133 [2018-07-23 13:52:10,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:10,678 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:52:10,678 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:52:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:52:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:52:10,678 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:10,679 INFO L357 BasicCegarLoop]: trace histogram [132, 1, 1] [2018-07-23 13:52:10,679 INFO L414 AbstractCegarLoop]: === Iteration 133 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:10,679 INFO L82 PathProgramCache]: Analyzing trace with hash 448481863, now seen corresponding path program 132 times [2018-07-23 13:52:10,679 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:11,426 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:11,426 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:11,426 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:52:11,427 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:11,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:11,427 INFO L185 omatonBuilderFactory]: Interpolants [46080#(and (<= proc_a 130) (<= 130 proc_a)), 46081#(and (<= 132 proc_a) (<= proc_a 132)), 46082#(and (<= proc_a 134) (<= 134 proc_a)), 46083#(and (<= proc_a 136) (<= 136 proc_a)), 46084#(and (<= proc_a 138) (<= 138 proc_a)), 46085#(and (<= proc_a 140) (<= 140 proc_a)), 46086#(and (<= 142 proc_a) (<= proc_a 142)), 46087#(and (<= 144 proc_a) (<= proc_a 144)), 46088#(and (<= proc_a 146) (<= 146 proc_a)), 46089#(and (<= 148 proc_a) (<= proc_a 148)), 46090#(and (<= proc_a 150) (<= 150 proc_a)), 46091#(and (<= proc_a 152) (<= 152 proc_a)), 46092#(and (<= 154 proc_a) (<= proc_a 154)), 46093#(and (<= 156 proc_a) (<= proc_a 156)), 46094#(and (<= proc_a 158) (<= 158 proc_a)), 46095#(and (<= 160 proc_a) (<= proc_a 160)), 46096#(and (<= proc_a 162) (<= 162 proc_a)), 46097#(and (<= 164 proc_a) (<= proc_a 164)), 46098#(and (<= 166 proc_a) (<= proc_a 166)), 46099#(and (<= 168 proc_a) (<= proc_a 168)), 46100#(and (<= 170 proc_a) (<= proc_a 170)), 46101#(and (<= 172 proc_a) (<= proc_a 172)), 46102#(and (<= proc_a 174) (<= 174 proc_a)), 46103#(and (<= 176 proc_a) (<= proc_a 176)), 46104#(and (<= 178 proc_a) (<= proc_a 178)), 46105#(and (<= proc_a 180) (<= 180 proc_a)), 46106#(and (<= proc_a 182) (<= 182 proc_a)), 46107#(and (<= 184 proc_a) (<= proc_a 184)), 46108#(and (<= 186 proc_a) (<= proc_a 186)), 46109#(and (<= 188 proc_a) (<= proc_a 188)), 46110#(and (<= 190 proc_a) (<= proc_a 190)), 46111#(and (<= proc_a 192) (<= 192 proc_a)), 46112#(and (<= 194 proc_a) (<= proc_a 194)), 46113#(and (<= proc_a 196) (<= 196 proc_a)), 46114#(and (<= 198 proc_a) (<= proc_a 198)), 46115#(and (<= proc_a 200) (<= 200 proc_a)), 46116#(and (<= proc_a 202) (<= 202 proc_a)), 46117#(and (<= 204 proc_a) (<= proc_a 204)), 46118#(and (<= 206 proc_a) (<= proc_a 206)), 46119#(and (<= 208 proc_a) (<= proc_a 208)), 46120#(and (<= proc_a 210) (<= 210 proc_a)), 46121#(and (<= proc_a 212) (<= 212 proc_a)), 46122#(and (<= 214 proc_a) (<= proc_a 214)), 46123#(and (<= 216 proc_a) (<= proc_a 216)), 46124#(and (<= proc_a 218) (<= 218 proc_a)), 46125#(and (<= proc_a 220) (<= 220 proc_a)), 46126#(and (<= 222 proc_a) (<= proc_a 222)), 46127#(and (<= 224 proc_a) (<= proc_a 224)), 46128#(and (<= proc_a 226) (<= 226 proc_a)), 46129#(and (<= 228 proc_a) (<= proc_a 228)), 46130#(and (<= proc_a 230) (<= 230 proc_a)), 46131#(and (<= 232 proc_a) (<= proc_a 232)), 46132#(and (<= proc_a 234) (<= 234 proc_a)), 46133#(and (<= proc_a 236) (<= 236 proc_a)), 46134#(and (<= 238 proc_a) (<= proc_a 238)), 46135#(and (<= 240 proc_a) (<= proc_a 240)), 46136#(and (<= proc_a 242) (<= 242 proc_a)), 46137#(and (<= proc_a 244) (<= 244 proc_a)), 46138#(and (<= proc_a 246) (<= 246 proc_a)), 46139#(and (<= 248 proc_a) (<= proc_a 248)), 46140#(and (<= proc_a 250) (<= 250 proc_a)), 46141#(and (<= 252 proc_a) (<= proc_a 252)), 46142#(and (<= 254 proc_a) (<= proc_a 254)), 46143#(and (<= proc_a 256) (<= 256 proc_a)), 46144#(and (<= 258 proc_a) (<= proc_a 258)), 46145#(and (<= proc_a 260) (<= 260 proc_a)), 46146#(and (<= 262 proc_a) (<= proc_a 262)), 46147#(and (<= proc_a 264) (<= 264 proc_a)), 46013#true, 46014#false, 46015#(and (<= proc_a 0) (<= 0 proc_a)), 46016#(and (<= 2 proc_a) (<= proc_a 2)), 46017#(and (<= 4 proc_a) (<= proc_a 4)), 46018#(and (<= 6 proc_a) (<= proc_a 6)), 46019#(and (<= proc_a 8) (<= 8 proc_a)), 46020#(and (<= 10 proc_a) (<= proc_a 10)), 46021#(and (<= proc_a 12) (<= 12 proc_a)), 46022#(and (<= 14 proc_a) (<= proc_a 14)), 46023#(and (<= proc_a 16) (<= 16 proc_a)), 46024#(and (<= 18 proc_a) (<= proc_a 18)), 46025#(and (<= 20 proc_a) (<= proc_a 20)), 46026#(and (<= 22 proc_a) (<= proc_a 22)), 46027#(and (<= 24 proc_a) (<= proc_a 24)), 46028#(and (<= 26 proc_a) (<= proc_a 26)), 46029#(and (<= proc_a 28) (<= 28 proc_a)), 46030#(and (<= proc_a 30) (<= 30 proc_a)), 46031#(and (<= 32 proc_a) (<= proc_a 32)), 46032#(and (<= 34 proc_a) (<= proc_a 34)), 46033#(and (<= 36 proc_a) (<= proc_a 36)), 46034#(and (<= 38 proc_a) (<= proc_a 38)), 46035#(and (<= 40 proc_a) (<= proc_a 40)), 46036#(and (<= proc_a 42) (<= 42 proc_a)), 46037#(and (<= proc_a 44) (<= 44 proc_a)), 46038#(and (<= proc_a 46) (<= 46 proc_a)), 46039#(and (<= 48 proc_a) (<= proc_a 48)), 46040#(and (<= 50 proc_a) (<= proc_a 50)), 46041#(and (<= 52 proc_a) (<= proc_a 52)), 46042#(and (<= 54 proc_a) (<= proc_a 54)), 46043#(and (<= proc_a 56) (<= 56 proc_a)), 46044#(and (<= proc_a 58) (<= 58 proc_a)), 46045#(and (<= 60 proc_a) (<= proc_a 60)), 46046#(and (<= 62 proc_a) (<= proc_a 62)), 46047#(and (<= 64 proc_a) (<= proc_a 64)), 46048#(and (<= 66 proc_a) (<= proc_a 66)), 46049#(and (<= 68 proc_a) (<= proc_a 68)), 46050#(and (<= proc_a 70) (<= 70 proc_a)), 46051#(and (<= 72 proc_a) (<= proc_a 72)), 46052#(and (<= proc_a 74) (<= 74 proc_a)), 46053#(and (<= proc_a 76) (<= 76 proc_a)), 46054#(and (<= 78 proc_a) (<= proc_a 78)), 46055#(and (<= proc_a 80) (<= 80 proc_a)), 46056#(and (<= 82 proc_a) (<= proc_a 82)), 46057#(and (<= proc_a 84) (<= 84 proc_a)), 46058#(and (<= 86 proc_a) (<= proc_a 86)), 46059#(and (<= 88 proc_a) (<= proc_a 88)), 46060#(and (<= proc_a 90) (<= 90 proc_a)), 46061#(and (<= 92 proc_a) (<= proc_a 92)), 46062#(and (<= proc_a 94) (<= 94 proc_a)), 46063#(and (<= proc_a 96) (<= 96 proc_a)), 46064#(and (<= 98 proc_a) (<= proc_a 98)), 46065#(and (<= proc_a 100) (<= 100 proc_a)), 46066#(and (<= 102 proc_a) (<= proc_a 102)), 46067#(and (<= proc_a 104) (<= 104 proc_a)), 46068#(and (<= 106 proc_a) (<= proc_a 106)), 46069#(and (<= proc_a 108) (<= 108 proc_a)), 46070#(and (<= proc_a 110) (<= 110 proc_a)), 46071#(and (<= proc_a 112) (<= 112 proc_a)), 46072#(and (<= 114 proc_a) (<= proc_a 114)), 46073#(and (<= 116 proc_a) (<= proc_a 116)), 46074#(and (<= proc_a 118) (<= 118 proc_a)), 46075#(and (<= 120 proc_a) (<= proc_a 120)), 46076#(and (<= proc_a 122) (<= 122 proc_a)), 46077#(and (<= proc_a 124) (<= 124 proc_a)), 46078#(and (<= proc_a 126) (<= 126 proc_a)), 46079#(and (<= 128 proc_a) (<= proc_a 128))] [2018-07-23 13:52:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:11,428 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:52:11,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:52:11,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=17823, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:52:11,429 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 135 states. [2018-07-23 13:52:12,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:12,325 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:52:12,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:52:12,326 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 134 [2018-07-23 13:52:12,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:12,326 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:52:12,326 INFO L226 Difference]: Without dead ends: 136 [2018-07-23 13:52:12,328 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=267, Invalid=17823, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:52:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-07-23 13:52:12,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-07-23 13:52:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-07-23 13:52:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2018-07-23 13:52:12,333 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 134 [2018-07-23 13:52:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:12,334 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2018-07-23 13:52:12,334 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:52:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2018-07-23 13:52:12,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-23 13:52:12,334 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:12,335 INFO L357 BasicCegarLoop]: trace histogram [133, 1, 1] [2018-07-23 13:52:12,335 INFO L414 AbstractCegarLoop]: === Iteration 134 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:12,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1018035809, now seen corresponding path program 133 times [2018-07-23 13:52:12,335 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:13,082 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:13,082 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:52:13,082 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:13,082 INFO L185 omatonBuilderFactory]: Interpolants [46694#true, 46695#false, 46696#(and (<= proc_a 0) (<= 0 proc_a)), 46697#(and (<= 2 proc_a) (<= proc_a 2)), 46698#(and (<= 4 proc_a) (<= proc_a 4)), 46699#(and (<= 6 proc_a) (<= proc_a 6)), 46700#(and (<= proc_a 8) (<= 8 proc_a)), 46701#(and (<= 10 proc_a) (<= proc_a 10)), 46702#(and (<= proc_a 12) (<= 12 proc_a)), 46703#(and (<= 14 proc_a) (<= proc_a 14)), 46704#(and (<= proc_a 16) (<= 16 proc_a)), 46705#(and (<= 18 proc_a) (<= proc_a 18)), 46706#(and (<= 20 proc_a) (<= proc_a 20)), 46707#(and (<= 22 proc_a) (<= proc_a 22)), 46708#(and (<= 24 proc_a) (<= proc_a 24)), 46709#(and (<= 26 proc_a) (<= proc_a 26)), 46710#(and (<= proc_a 28) (<= 28 proc_a)), 46711#(and (<= proc_a 30) (<= 30 proc_a)), 46712#(and (<= 32 proc_a) (<= proc_a 32)), 46713#(and (<= 34 proc_a) (<= proc_a 34)), 46714#(and (<= 36 proc_a) (<= proc_a 36)), 46715#(and (<= 38 proc_a) (<= proc_a 38)), 46716#(and (<= 40 proc_a) (<= proc_a 40)), 46717#(and (<= proc_a 42) (<= 42 proc_a)), 46718#(and (<= proc_a 44) (<= 44 proc_a)), 46719#(and (<= proc_a 46) (<= 46 proc_a)), 46720#(and (<= 48 proc_a) (<= proc_a 48)), 46721#(and (<= 50 proc_a) (<= proc_a 50)), 46722#(and (<= 52 proc_a) (<= proc_a 52)), 46723#(and (<= 54 proc_a) (<= proc_a 54)), 46724#(and (<= proc_a 56) (<= 56 proc_a)), 46725#(and (<= proc_a 58) (<= 58 proc_a)), 46726#(and (<= 60 proc_a) (<= proc_a 60)), 46727#(and (<= 62 proc_a) (<= proc_a 62)), 46728#(and (<= 64 proc_a) (<= proc_a 64)), 46729#(and (<= 66 proc_a) (<= proc_a 66)), 46730#(and (<= 68 proc_a) (<= proc_a 68)), 46731#(and (<= proc_a 70) (<= 70 proc_a)), 46732#(and (<= 72 proc_a) (<= proc_a 72)), 46733#(and (<= proc_a 74) (<= 74 proc_a)), 46734#(and (<= proc_a 76) (<= 76 proc_a)), 46735#(and (<= 78 proc_a) (<= proc_a 78)), 46736#(and (<= proc_a 80) (<= 80 proc_a)), 46737#(and (<= 82 proc_a) (<= proc_a 82)), 46738#(and (<= proc_a 84) (<= 84 proc_a)), 46739#(and (<= 86 proc_a) (<= proc_a 86)), 46740#(and (<= 88 proc_a) (<= proc_a 88)), 46741#(and (<= proc_a 90) (<= 90 proc_a)), 46742#(and (<= 92 proc_a) (<= proc_a 92)), 46743#(and (<= proc_a 94) (<= 94 proc_a)), 46744#(and (<= proc_a 96) (<= 96 proc_a)), 46745#(and (<= 98 proc_a) (<= proc_a 98)), 46746#(and (<= proc_a 100) (<= 100 proc_a)), 46747#(and (<= 102 proc_a) (<= proc_a 102)), 46748#(and (<= proc_a 104) (<= 104 proc_a)), 46749#(and (<= 106 proc_a) (<= proc_a 106)), 46750#(and (<= proc_a 108) (<= 108 proc_a)), 46751#(and (<= proc_a 110) (<= 110 proc_a)), 46752#(and (<= proc_a 112) (<= 112 proc_a)), 46753#(and (<= 114 proc_a) (<= proc_a 114)), 46754#(and (<= 116 proc_a) (<= proc_a 116)), 46755#(and (<= proc_a 118) (<= 118 proc_a)), 46756#(and (<= 120 proc_a) (<= proc_a 120)), 46757#(and (<= proc_a 122) (<= 122 proc_a)), 46758#(and (<= proc_a 124) (<= 124 proc_a)), 46759#(and (<= proc_a 126) (<= 126 proc_a)), 46760#(and (<= 128 proc_a) (<= proc_a 128)), 46761#(and (<= proc_a 130) (<= 130 proc_a)), 46762#(and (<= 132 proc_a) (<= proc_a 132)), 46763#(and (<= proc_a 134) (<= 134 proc_a)), 46764#(and (<= proc_a 136) (<= 136 proc_a)), 46765#(and (<= proc_a 138) (<= 138 proc_a)), 46766#(and (<= proc_a 140) (<= 140 proc_a)), 46767#(and (<= 142 proc_a) (<= proc_a 142)), 46768#(and (<= 144 proc_a) (<= proc_a 144)), 46769#(and (<= proc_a 146) (<= 146 proc_a)), 46770#(and (<= 148 proc_a) (<= proc_a 148)), 46771#(and (<= proc_a 150) (<= 150 proc_a)), 46772#(and (<= proc_a 152) (<= 152 proc_a)), 46773#(and (<= 154 proc_a) (<= proc_a 154)), 46774#(and (<= 156 proc_a) (<= proc_a 156)), 46775#(and (<= proc_a 158) (<= 158 proc_a)), 46776#(and (<= 160 proc_a) (<= proc_a 160)), 46777#(and (<= proc_a 162) (<= 162 proc_a)), 46778#(and (<= 164 proc_a) (<= proc_a 164)), 46779#(and (<= 166 proc_a) (<= proc_a 166)), 46780#(and (<= 168 proc_a) (<= proc_a 168)), 46781#(and (<= 170 proc_a) (<= proc_a 170)), 46782#(and (<= 172 proc_a) (<= proc_a 172)), 46783#(and (<= proc_a 174) (<= 174 proc_a)), 46784#(and (<= 176 proc_a) (<= proc_a 176)), 46785#(and (<= 178 proc_a) (<= proc_a 178)), 46786#(and (<= proc_a 180) (<= 180 proc_a)), 46787#(and (<= proc_a 182) (<= 182 proc_a)), 46788#(and (<= 184 proc_a) (<= proc_a 184)), 46789#(and (<= 186 proc_a) (<= proc_a 186)), 46790#(and (<= 188 proc_a) (<= proc_a 188)), 46791#(and (<= 190 proc_a) (<= proc_a 190)), 46792#(and (<= proc_a 192) (<= 192 proc_a)), 46793#(and (<= 194 proc_a) (<= proc_a 194)), 46794#(and (<= proc_a 196) (<= 196 proc_a)), 46795#(and (<= 198 proc_a) (<= proc_a 198)), 46796#(and (<= proc_a 200) (<= 200 proc_a)), 46797#(and (<= proc_a 202) (<= 202 proc_a)), 46798#(and (<= 204 proc_a) (<= proc_a 204)), 46799#(and (<= 206 proc_a) (<= proc_a 206)), 46800#(and (<= 208 proc_a) (<= proc_a 208)), 46801#(and (<= proc_a 210) (<= 210 proc_a)), 46802#(and (<= proc_a 212) (<= 212 proc_a)), 46803#(and (<= 214 proc_a) (<= proc_a 214)), 46804#(and (<= 216 proc_a) (<= proc_a 216)), 46805#(and (<= proc_a 218) (<= 218 proc_a)), 46806#(and (<= proc_a 220) (<= 220 proc_a)), 46807#(and (<= 222 proc_a) (<= proc_a 222)), 46808#(and (<= 224 proc_a) (<= proc_a 224)), 46809#(and (<= proc_a 226) (<= 226 proc_a)), 46810#(and (<= 228 proc_a) (<= proc_a 228)), 46811#(and (<= proc_a 230) (<= 230 proc_a)), 46812#(and (<= 232 proc_a) (<= proc_a 232)), 46813#(and (<= proc_a 234) (<= 234 proc_a)), 46814#(and (<= proc_a 236) (<= 236 proc_a)), 46815#(and (<= 238 proc_a) (<= proc_a 238)), 46816#(and (<= 240 proc_a) (<= proc_a 240)), 46817#(and (<= proc_a 242) (<= 242 proc_a)), 46818#(and (<= proc_a 244) (<= 244 proc_a)), 46819#(and (<= proc_a 246) (<= 246 proc_a)), 46820#(and (<= 248 proc_a) (<= proc_a 248)), 46821#(and (<= proc_a 250) (<= 250 proc_a)), 46822#(and (<= 252 proc_a) (<= proc_a 252)), 46823#(and (<= 254 proc_a) (<= proc_a 254)), 46824#(and (<= proc_a 256) (<= 256 proc_a)), 46825#(and (<= 258 proc_a) (<= proc_a 258)), 46826#(and (<= proc_a 260) (<= 260 proc_a)), 46827#(and (<= 262 proc_a) (<= proc_a 262)), 46828#(and (<= proc_a 264) (<= 264 proc_a)), 46829#(and (<= 266 proc_a) (<= proc_a 266))] [2018-07-23 13:52:13,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:13,083 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:52:13,083 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:52:13,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=18091, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:52:13,084 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 136 states. [2018-07-23 13:52:13,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:13,987 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-07-23 13:52:13,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:52:13,988 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 135 [2018-07-23 13:52:13,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:13,988 INFO L225 Difference]: With dead ends: 138 [2018-07-23 13:52:13,988 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:52:13,989 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=269, Invalid=18091, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:52:13,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:52:13,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:52:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:52:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:52:13,993 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 135 [2018-07-23 13:52:13,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:13,993 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:52:13,993 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:52:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:52:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:52:13,994 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:13,994 INFO L357 BasicCegarLoop]: trace histogram [134, 1, 1] [2018-07-23 13:52:13,994 INFO L414 AbstractCegarLoop]: === Iteration 135 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:13,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1494338951, now seen corresponding path program 134 times [2018-07-23 13:52:13,995 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:14,756 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:14,756 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:52:14,756 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:14,757 INFO L185 omatonBuilderFactory]: Interpolants [47380#true, 47381#false, 47382#(and (<= proc_a 0) (<= 0 proc_a)), 47383#(and (<= 2 proc_a) (<= proc_a 2)), 47384#(and (<= 4 proc_a) (<= proc_a 4)), 47385#(and (<= 6 proc_a) (<= proc_a 6)), 47386#(and (<= proc_a 8) (<= 8 proc_a)), 47387#(and (<= 10 proc_a) (<= proc_a 10)), 47388#(and (<= proc_a 12) (<= 12 proc_a)), 47389#(and (<= 14 proc_a) (<= proc_a 14)), 47390#(and (<= proc_a 16) (<= 16 proc_a)), 47391#(and (<= 18 proc_a) (<= proc_a 18)), 47392#(and (<= 20 proc_a) (<= proc_a 20)), 47393#(and (<= 22 proc_a) (<= proc_a 22)), 47394#(and (<= 24 proc_a) (<= proc_a 24)), 47395#(and (<= 26 proc_a) (<= proc_a 26)), 47396#(and (<= proc_a 28) (<= 28 proc_a)), 47397#(and (<= proc_a 30) (<= 30 proc_a)), 47398#(and (<= 32 proc_a) (<= proc_a 32)), 47399#(and (<= 34 proc_a) (<= proc_a 34)), 47400#(and (<= 36 proc_a) (<= proc_a 36)), 47401#(and (<= 38 proc_a) (<= proc_a 38)), 47402#(and (<= 40 proc_a) (<= proc_a 40)), 47403#(and (<= proc_a 42) (<= 42 proc_a)), 47404#(and (<= proc_a 44) (<= 44 proc_a)), 47405#(and (<= proc_a 46) (<= 46 proc_a)), 47406#(and (<= 48 proc_a) (<= proc_a 48)), 47407#(and (<= 50 proc_a) (<= proc_a 50)), 47408#(and (<= 52 proc_a) (<= proc_a 52)), 47409#(and (<= 54 proc_a) (<= proc_a 54)), 47410#(and (<= proc_a 56) (<= 56 proc_a)), 47411#(and (<= proc_a 58) (<= 58 proc_a)), 47412#(and (<= 60 proc_a) (<= proc_a 60)), 47413#(and (<= 62 proc_a) (<= proc_a 62)), 47414#(and (<= 64 proc_a) (<= proc_a 64)), 47415#(and (<= 66 proc_a) (<= proc_a 66)), 47416#(and (<= 68 proc_a) (<= proc_a 68)), 47417#(and (<= proc_a 70) (<= 70 proc_a)), 47418#(and (<= 72 proc_a) (<= proc_a 72)), 47419#(and (<= proc_a 74) (<= 74 proc_a)), 47420#(and (<= proc_a 76) (<= 76 proc_a)), 47421#(and (<= 78 proc_a) (<= proc_a 78)), 47422#(and (<= proc_a 80) (<= 80 proc_a)), 47423#(and (<= 82 proc_a) (<= proc_a 82)), 47424#(and (<= proc_a 84) (<= 84 proc_a)), 47425#(and (<= 86 proc_a) (<= proc_a 86)), 47426#(and (<= 88 proc_a) (<= proc_a 88)), 47427#(and (<= proc_a 90) (<= 90 proc_a)), 47428#(and (<= 92 proc_a) (<= proc_a 92)), 47429#(and (<= proc_a 94) (<= 94 proc_a)), 47430#(and (<= proc_a 96) (<= 96 proc_a)), 47431#(and (<= 98 proc_a) (<= proc_a 98)), 47432#(and (<= proc_a 100) (<= 100 proc_a)), 47433#(and (<= 102 proc_a) (<= proc_a 102)), 47434#(and (<= proc_a 104) (<= 104 proc_a)), 47435#(and (<= 106 proc_a) (<= proc_a 106)), 47436#(and (<= proc_a 108) (<= 108 proc_a)), 47437#(and (<= proc_a 110) (<= 110 proc_a)), 47438#(and (<= proc_a 112) (<= 112 proc_a)), 47439#(and (<= 114 proc_a) (<= proc_a 114)), 47440#(and (<= 116 proc_a) (<= proc_a 116)), 47441#(and (<= proc_a 118) (<= 118 proc_a)), 47442#(and (<= 120 proc_a) (<= proc_a 120)), 47443#(and (<= proc_a 122) (<= 122 proc_a)), 47444#(and (<= proc_a 124) (<= 124 proc_a)), 47445#(and (<= proc_a 126) (<= 126 proc_a)), 47446#(and (<= 128 proc_a) (<= proc_a 128)), 47447#(and (<= proc_a 130) (<= 130 proc_a)), 47448#(and (<= 132 proc_a) (<= proc_a 132)), 47449#(and (<= proc_a 134) (<= 134 proc_a)), 47450#(and (<= proc_a 136) (<= 136 proc_a)), 47451#(and (<= proc_a 138) (<= 138 proc_a)), 47452#(and (<= proc_a 140) (<= 140 proc_a)), 47453#(and (<= 142 proc_a) (<= proc_a 142)), 47454#(and (<= 144 proc_a) (<= proc_a 144)), 47455#(and (<= proc_a 146) (<= 146 proc_a)), 47456#(and (<= 148 proc_a) (<= proc_a 148)), 47457#(and (<= proc_a 150) (<= 150 proc_a)), 47458#(and (<= proc_a 152) (<= 152 proc_a)), 47459#(and (<= 154 proc_a) (<= proc_a 154)), 47460#(and (<= 156 proc_a) (<= proc_a 156)), 47461#(and (<= proc_a 158) (<= 158 proc_a)), 47462#(and (<= 160 proc_a) (<= proc_a 160)), 47463#(and (<= proc_a 162) (<= 162 proc_a)), 47464#(and (<= 164 proc_a) (<= proc_a 164)), 47465#(and (<= 166 proc_a) (<= proc_a 166)), 47466#(and (<= 168 proc_a) (<= proc_a 168)), 47467#(and (<= 170 proc_a) (<= proc_a 170)), 47468#(and (<= 172 proc_a) (<= proc_a 172)), 47469#(and (<= proc_a 174) (<= 174 proc_a)), 47470#(and (<= 176 proc_a) (<= proc_a 176)), 47471#(and (<= 178 proc_a) (<= proc_a 178)), 47472#(and (<= proc_a 180) (<= 180 proc_a)), 47473#(and (<= proc_a 182) (<= 182 proc_a)), 47474#(and (<= 184 proc_a) (<= proc_a 184)), 47475#(and (<= 186 proc_a) (<= proc_a 186)), 47476#(and (<= 188 proc_a) (<= proc_a 188)), 47477#(and (<= 190 proc_a) (<= proc_a 190)), 47478#(and (<= proc_a 192) (<= 192 proc_a)), 47479#(and (<= 194 proc_a) (<= proc_a 194)), 47480#(and (<= proc_a 196) (<= 196 proc_a)), 47481#(and (<= 198 proc_a) (<= proc_a 198)), 47482#(and (<= proc_a 200) (<= 200 proc_a)), 47483#(and (<= proc_a 202) (<= 202 proc_a)), 47484#(and (<= 204 proc_a) (<= proc_a 204)), 47485#(and (<= 206 proc_a) (<= proc_a 206)), 47486#(and (<= 208 proc_a) (<= proc_a 208)), 47487#(and (<= proc_a 210) (<= 210 proc_a)), 47488#(and (<= proc_a 212) (<= 212 proc_a)), 47489#(and (<= 214 proc_a) (<= proc_a 214)), 47490#(and (<= 216 proc_a) (<= proc_a 216)), 47491#(and (<= proc_a 218) (<= 218 proc_a)), 47492#(and (<= proc_a 220) (<= 220 proc_a)), 47493#(and (<= 222 proc_a) (<= proc_a 222)), 47494#(and (<= 224 proc_a) (<= proc_a 224)), 47495#(and (<= proc_a 226) (<= 226 proc_a)), 47496#(and (<= 228 proc_a) (<= proc_a 228)), 47497#(and (<= proc_a 230) (<= 230 proc_a)), 47498#(and (<= 232 proc_a) (<= proc_a 232)), 47499#(and (<= proc_a 234) (<= 234 proc_a)), 47500#(and (<= proc_a 236) (<= 236 proc_a)), 47501#(and (<= 238 proc_a) (<= proc_a 238)), 47502#(and (<= 240 proc_a) (<= proc_a 240)), 47503#(and (<= proc_a 242) (<= 242 proc_a)), 47504#(and (<= proc_a 244) (<= 244 proc_a)), 47505#(and (<= proc_a 246) (<= 246 proc_a)), 47506#(and (<= 248 proc_a) (<= proc_a 248)), 47507#(and (<= proc_a 250) (<= 250 proc_a)), 47508#(and (<= 252 proc_a) (<= proc_a 252)), 47509#(and (<= 254 proc_a) (<= proc_a 254)), 47510#(and (<= proc_a 256) (<= 256 proc_a)), 47511#(and (<= 258 proc_a) (<= proc_a 258)), 47512#(and (<= proc_a 260) (<= 260 proc_a)), 47513#(and (<= 262 proc_a) (<= proc_a 262)), 47514#(and (<= proc_a 264) (<= 264 proc_a)), 47515#(and (<= 266 proc_a) (<= proc_a 266)), 47516#(and (<= proc_a 268) (<= 268 proc_a))] [2018-07-23 13:52:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:14,757 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:52:14,757 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:52:14,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=18361, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:52:14,758 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 137 states. [2018-07-23 13:52:15,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:15,632 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:52:15,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:52:15,632 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 136 [2018-07-23 13:52:15,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:15,633 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:52:15,633 INFO L226 Difference]: Without dead ends: 138 [2018-07-23 13:52:15,634 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=271, Invalid=18361, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:52:15,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-07-23 13:52:15,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-07-23 13:52:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-07-23 13:52:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2018-07-23 13:52:15,638 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 136 [2018-07-23 13:52:15,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:15,638 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2018-07-23 13:52:15,638 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:52:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2018-07-23 13:52:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-07-23 13:52:15,639 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:15,639 INFO L357 BasicCegarLoop]: trace histogram [135, 1, 1] [2018-07-23 13:52:15,639 INFO L414 AbstractCegarLoop]: === Iteration 136 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:15,639 INFO L82 PathProgramCache]: Analyzing trace with hash -920132831, now seen corresponding path program 135 times [2018-07-23 13:52:15,639 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:16,403 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:16,403 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:52:16,403 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:16,404 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 13:52:16,404 INFO L185 omatonBuilderFactory]: Interpolants [48128#(and (<= proc_a 110) (<= 110 proc_a)), 48129#(and (<= proc_a 112) (<= 112 proc_a)), 48130#(and (<= 114 proc_a) (<= proc_a 114)), 48131#(and (<= 116 proc_a) (<= proc_a 116)), 48132#(and (<= proc_a 118) (<= 118 proc_a)), 48133#(and (<= 120 proc_a) (<= proc_a 120)), 48134#(and (<= proc_a 122) (<= 122 proc_a)), 48135#(and (<= proc_a 124) (<= 124 proc_a)), 48136#(and (<= proc_a 126) (<= 126 proc_a)), 48137#(and (<= 128 proc_a) (<= proc_a 128)), 48138#(and (<= proc_a 130) (<= 130 proc_a)), 48139#(and (<= 132 proc_a) (<= proc_a 132)), 48140#(and (<= proc_a 134) (<= 134 proc_a)), 48141#(and (<= proc_a 136) (<= 136 proc_a)), 48142#(and (<= proc_a 138) (<= 138 proc_a)), 48143#(and (<= proc_a 140) (<= 140 proc_a)), 48144#(and (<= 142 proc_a) (<= proc_a 142)), 48145#(and (<= 144 proc_a) (<= proc_a 144)), 48146#(and (<= proc_a 146) (<= 146 proc_a)), 48147#(and (<= 148 proc_a) (<= proc_a 148)), 48148#(and (<= proc_a 150) (<= 150 proc_a)), 48149#(and (<= proc_a 152) (<= 152 proc_a)), 48150#(and (<= 154 proc_a) (<= proc_a 154)), 48151#(and (<= 156 proc_a) (<= proc_a 156)), 48152#(and (<= proc_a 158) (<= 158 proc_a)), 48153#(and (<= 160 proc_a) (<= proc_a 160)), 48154#(and (<= proc_a 162) (<= 162 proc_a)), 48155#(and (<= 164 proc_a) (<= proc_a 164)), 48156#(and (<= 166 proc_a) (<= proc_a 166)), 48157#(and (<= 168 proc_a) (<= proc_a 168)), 48158#(and (<= 170 proc_a) (<= proc_a 170)), 48159#(and (<= 172 proc_a) (<= proc_a 172)), 48160#(and (<= proc_a 174) (<= 174 proc_a)), 48161#(and (<= 176 proc_a) (<= proc_a 176)), 48162#(and (<= 178 proc_a) (<= proc_a 178)), 48163#(and (<= proc_a 180) (<= 180 proc_a)), 48164#(and (<= proc_a 182) (<= 182 proc_a)), 48165#(and (<= 184 proc_a) (<= proc_a 184)), 48166#(and (<= 186 proc_a) (<= proc_a 186)), 48167#(and (<= 188 proc_a) (<= proc_a 188)), 48168#(and (<= 190 proc_a) (<= proc_a 190)), 48169#(and (<= proc_a 192) (<= 192 proc_a)), 48170#(and (<= 194 proc_a) (<= proc_a 194)), 48171#(and (<= proc_a 196) (<= 196 proc_a)), 48172#(and (<= 198 proc_a) (<= proc_a 198)), 48173#(and (<= proc_a 200) (<= 200 proc_a)), 48174#(and (<= proc_a 202) (<= 202 proc_a)), 48175#(and (<= 204 proc_a) (<= proc_a 204)), 48176#(and (<= 206 proc_a) (<= proc_a 206)), 48177#(and (<= 208 proc_a) (<= proc_a 208)), 48178#(and (<= proc_a 210) (<= 210 proc_a)), 48179#(and (<= proc_a 212) (<= 212 proc_a)), 48180#(and (<= 214 proc_a) (<= proc_a 214)), 48181#(and (<= 216 proc_a) (<= proc_a 216)), 48182#(and (<= proc_a 218) (<= 218 proc_a)), 48183#(and (<= proc_a 220) (<= 220 proc_a)), 48184#(and (<= 222 proc_a) (<= proc_a 222)), 48185#(and (<= 224 proc_a) (<= proc_a 224)), 48186#(and (<= proc_a 226) (<= 226 proc_a)), 48187#(and (<= 228 proc_a) (<= proc_a 228)), 48188#(and (<= proc_a 230) (<= 230 proc_a)), 48189#(and (<= 232 proc_a) (<= proc_a 232)), 48190#(and (<= proc_a 234) (<= 234 proc_a)), 48191#(and (<= proc_a 236) (<= 236 proc_a)), 48192#(and (<= 238 proc_a) (<= proc_a 238)), 48193#(and (<= 240 proc_a) (<= proc_a 240)), 48194#(and (<= proc_a 242) (<= 242 proc_a)), 48195#(and (<= proc_a 244) (<= 244 proc_a)), 48196#(and (<= proc_a 246) (<= 246 proc_a)), 48197#(and (<= 248 proc_a) (<= proc_a 248)), 48198#(and (<= proc_a 250) (<= 250 proc_a)), 48199#(and (<= 252 proc_a) (<= proc_a 252)), 48200#(and (<= 254 proc_a) (<= proc_a 254)), 48201#(and (<= proc_a 256) (<= 256 proc_a)), 48202#(and (<= 258 proc_a) (<= proc_a 258)), 48203#(and (<= proc_a 260) (<= 260 proc_a)), 48204#(and (<= 262 proc_a) (<= proc_a 262)), 48205#(and (<= proc_a 264) (<= 264 proc_a)), 48206#(and (<= 266 proc_a) (<= proc_a 266)), 48207#(and (<= proc_a 268) (<= 268 proc_a)), 48208#(and (<= proc_a 270) (<= 270 proc_a)), 48071#true, 48072#false, 48073#(and (<= proc_a 0) (<= 0 proc_a)), 48074#(and (<= 2 proc_a) (<= proc_a 2)), 48075#(and (<= 4 proc_a) (<= proc_a 4)), 48076#(and (<= 6 proc_a) (<= proc_a 6)), 48077#(and (<= proc_a 8) (<= 8 proc_a)), 48078#(and (<= 10 proc_a) (<= proc_a 10)), 48079#(and (<= proc_a 12) (<= 12 proc_a)), 48080#(and (<= 14 proc_a) (<= proc_a 14)), 48081#(and (<= proc_a 16) (<= 16 proc_a)), 48082#(and (<= 18 proc_a) (<= proc_a 18)), 48083#(and (<= 20 proc_a) (<= proc_a 20)), 48084#(and (<= 22 proc_a) (<= proc_a 22)), 48085#(and (<= 24 proc_a) (<= proc_a 24)), 48086#(and (<= 26 proc_a) (<= proc_a 26)), 48087#(and (<= proc_a 28) (<= 28 proc_a)), 48088#(and (<= proc_a 30) (<= 30 proc_a)), 48089#(and (<= 32 proc_a) (<= proc_a 32)), 48090#(and (<= 34 proc_a) (<= proc_a 34)), 48091#(and (<= 36 proc_a) (<= proc_a 36)), 48092#(and (<= 38 proc_a) (<= proc_a 38)), 48093#(and (<= 40 proc_a) (<= proc_a 40)), 48094#(and (<= proc_a 42) (<= 42 proc_a)), 48095#(and (<= proc_a 44) (<= 44 proc_a)), 48096#(and (<= proc_a 46) (<= 46 proc_a)), 48097#(and (<= 48 proc_a) (<= proc_a 48)), 48098#(and (<= 50 proc_a) (<= proc_a 50)), 48099#(and (<= 52 proc_a) (<= proc_a 52)), 48100#(and (<= 54 proc_a) (<= proc_a 54)), 48101#(and (<= proc_a 56) (<= 56 proc_a)), 48102#(and (<= proc_a 58) (<= 58 proc_a)), 48103#(and (<= 60 proc_a) (<= proc_a 60)), 48104#(and (<= 62 proc_a) (<= proc_a 62)), 48105#(and (<= 64 proc_a) (<= proc_a 64)), 48106#(and (<= 66 proc_a) (<= proc_a 66)), 48107#(and (<= 68 proc_a) (<= proc_a 68)), 48108#(and (<= proc_a 70) (<= 70 proc_a)), 48109#(and (<= 72 proc_a) (<= proc_a 72)), 48110#(and (<= proc_a 74) (<= 74 proc_a)), 48111#(and (<= proc_a 76) (<= 76 proc_a)), 48112#(and (<= 78 proc_a) (<= proc_a 78)), 48113#(and (<= proc_a 80) (<= 80 proc_a)), 48114#(and (<= 82 proc_a) (<= proc_a 82)), 48115#(and (<= proc_a 84) (<= 84 proc_a)), 48116#(and (<= 86 proc_a) (<= proc_a 86)), 48117#(and (<= 88 proc_a) (<= proc_a 88)), 48118#(and (<= proc_a 90) (<= 90 proc_a)), 48119#(and (<= 92 proc_a) (<= proc_a 92)), 48120#(and (<= proc_a 94) (<= 94 proc_a)), 48121#(and (<= proc_a 96) (<= 96 proc_a)), 48122#(and (<= 98 proc_a) (<= proc_a 98)), 48123#(and (<= proc_a 100) (<= 100 proc_a)), 48124#(and (<= 102 proc_a) (<= proc_a 102)), 48125#(and (<= proc_a 104) (<= 104 proc_a)), 48126#(and (<= 106 proc_a) (<= proc_a 106)), 48127#(and (<= proc_a 108) (<= 108 proc_a))] [2018-07-23 13:52:16,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:16,405 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:52:16,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:52:16,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=18633, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:52:16,406 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand 138 states. [2018-07-23 13:52:17,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:17,325 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2018-07-23 13:52:17,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:52:17,325 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 137 [2018-07-23 13:52:17,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:17,325 INFO L225 Difference]: With dead ends: 140 [2018-07-23 13:52:17,325 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:52:17,326 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=273, Invalid=18633, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:52:17,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:52:17,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:52:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:52:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:52:17,330 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 137 [2018-07-23 13:52:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:17,331 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:52:17,331 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:52:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:52:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:52:17,331 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:17,331 INFO L357 BasicCegarLoop]: trace histogram [136, 1, 1] [2018-07-23 13:52:17,331 INFO L414 AbstractCegarLoop]: === Iteration 137 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:17,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1540653255, now seen corresponding path program 136 times [2018-07-23 13:52:17,331 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:18,078 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:18,078 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:52:18,078 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:18,078 INFO L185 omatonBuilderFactory]: Interpolants [48896#(and (<= 254 proc_a) (<= proc_a 254)), 48897#(and (<= proc_a 256) (<= 256 proc_a)), 48898#(and (<= 258 proc_a) (<= proc_a 258)), 48899#(and (<= proc_a 260) (<= 260 proc_a)), 48900#(and (<= 262 proc_a) (<= proc_a 262)), 48901#(and (<= proc_a 264) (<= 264 proc_a)), 48902#(and (<= 266 proc_a) (<= proc_a 266)), 48903#(and (<= proc_a 268) (<= 268 proc_a)), 48904#(and (<= proc_a 270) (<= 270 proc_a)), 48905#(and (<= proc_a 272) (<= 272 proc_a)), 48767#true, 48768#false, 48769#(and (<= proc_a 0) (<= 0 proc_a)), 48770#(and (<= 2 proc_a) (<= proc_a 2)), 48771#(and (<= 4 proc_a) (<= proc_a 4)), 48772#(and (<= 6 proc_a) (<= proc_a 6)), 48773#(and (<= proc_a 8) (<= 8 proc_a)), 48774#(and (<= 10 proc_a) (<= proc_a 10)), 48775#(and (<= proc_a 12) (<= 12 proc_a)), 48776#(and (<= 14 proc_a) (<= proc_a 14)), 48777#(and (<= proc_a 16) (<= 16 proc_a)), 48778#(and (<= 18 proc_a) (<= proc_a 18)), 48779#(and (<= 20 proc_a) (<= proc_a 20)), 48780#(and (<= 22 proc_a) (<= proc_a 22)), 48781#(and (<= 24 proc_a) (<= proc_a 24)), 48782#(and (<= 26 proc_a) (<= proc_a 26)), 48783#(and (<= proc_a 28) (<= 28 proc_a)), 48784#(and (<= proc_a 30) (<= 30 proc_a)), 48785#(and (<= 32 proc_a) (<= proc_a 32)), 48786#(and (<= 34 proc_a) (<= proc_a 34)), 48787#(and (<= 36 proc_a) (<= proc_a 36)), 48788#(and (<= 38 proc_a) (<= proc_a 38)), 48789#(and (<= 40 proc_a) (<= proc_a 40)), 48790#(and (<= proc_a 42) (<= 42 proc_a)), 48791#(and (<= proc_a 44) (<= 44 proc_a)), 48792#(and (<= proc_a 46) (<= 46 proc_a)), 48793#(and (<= 48 proc_a) (<= proc_a 48)), 48794#(and (<= 50 proc_a) (<= proc_a 50)), 48795#(and (<= 52 proc_a) (<= proc_a 52)), 48796#(and (<= 54 proc_a) (<= proc_a 54)), 48797#(and (<= proc_a 56) (<= 56 proc_a)), 48798#(and (<= proc_a 58) (<= 58 proc_a)), 48799#(and (<= 60 proc_a) (<= proc_a 60)), 48800#(and (<= 62 proc_a) (<= proc_a 62)), 48801#(and (<= 64 proc_a) (<= proc_a 64)), 48802#(and (<= 66 proc_a) (<= proc_a 66)), 48803#(and (<= 68 proc_a) (<= proc_a 68)), 48804#(and (<= proc_a 70) (<= 70 proc_a)), 48805#(and (<= 72 proc_a) (<= proc_a 72)), 48806#(and (<= proc_a 74) (<= 74 proc_a)), 48807#(and (<= proc_a 76) (<= 76 proc_a)), 48808#(and (<= 78 proc_a) (<= proc_a 78)), 48809#(and (<= proc_a 80) (<= 80 proc_a)), 48810#(and (<= 82 proc_a) (<= proc_a 82)), 48811#(and (<= proc_a 84) (<= 84 proc_a)), 48812#(and (<= 86 proc_a) (<= proc_a 86)), 48813#(and (<= 88 proc_a) (<= proc_a 88)), 48814#(and (<= proc_a 90) (<= 90 proc_a)), 48815#(and (<= 92 proc_a) (<= proc_a 92)), 48816#(and (<= proc_a 94) (<= 94 proc_a)), 48817#(and (<= proc_a 96) (<= 96 proc_a)), 48818#(and (<= 98 proc_a) (<= proc_a 98)), 48819#(and (<= proc_a 100) (<= 100 proc_a)), 48820#(and (<= 102 proc_a) (<= proc_a 102)), 48821#(and (<= proc_a 104) (<= 104 proc_a)), 48822#(and (<= 106 proc_a) (<= proc_a 106)), 48823#(and (<= proc_a 108) (<= 108 proc_a)), 48824#(and (<= proc_a 110) (<= 110 proc_a)), 48825#(and (<= proc_a 112) (<= 112 proc_a)), 48826#(and (<= 114 proc_a) (<= proc_a 114)), 48827#(and (<= 116 proc_a) (<= proc_a 116)), 48828#(and (<= proc_a 118) (<= 118 proc_a)), 48829#(and (<= 120 proc_a) (<= proc_a 120)), 48830#(and (<= proc_a 122) (<= 122 proc_a)), 48831#(and (<= proc_a 124) (<= 124 proc_a)), 48832#(and (<= proc_a 126) (<= 126 proc_a)), 48833#(and (<= 128 proc_a) (<= proc_a 128)), 48834#(and (<= proc_a 130) (<= 130 proc_a)), 48835#(and (<= 132 proc_a) (<= proc_a 132)), 48836#(and (<= proc_a 134) (<= 134 proc_a)), 48837#(and (<= proc_a 136) (<= 136 proc_a)), 48838#(and (<= proc_a 138) (<= 138 proc_a)), 48839#(and (<= proc_a 140) (<= 140 proc_a)), 48840#(and (<= 142 proc_a) (<= proc_a 142)), 48841#(and (<= 144 proc_a) (<= proc_a 144)), 48842#(and (<= proc_a 146) (<= 146 proc_a)), 48843#(and (<= 148 proc_a) (<= proc_a 148)), 48844#(and (<= proc_a 150) (<= 150 proc_a)), 48845#(and (<= proc_a 152) (<= 152 proc_a)), 48846#(and (<= 154 proc_a) (<= proc_a 154)), 48847#(and (<= 156 proc_a) (<= proc_a 156)), 48848#(and (<= proc_a 158) (<= 158 proc_a)), 48849#(and (<= 160 proc_a) (<= proc_a 160)), 48850#(and (<= proc_a 162) (<= 162 proc_a)), 48851#(and (<= 164 proc_a) (<= proc_a 164)), 48852#(and (<= 166 proc_a) (<= proc_a 166)), 48853#(and (<= 168 proc_a) (<= proc_a 168)), 48854#(and (<= 170 proc_a) (<= proc_a 170)), 48855#(and (<= 172 proc_a) (<= proc_a 172)), 48856#(and (<= proc_a 174) (<= 174 proc_a)), 48857#(and (<= 176 proc_a) (<= proc_a 176)), 48858#(and (<= 178 proc_a) (<= proc_a 178)), 48859#(and (<= proc_a 180) (<= 180 proc_a)), 48860#(and (<= proc_a 182) (<= 182 proc_a)), 48861#(and (<= 184 proc_a) (<= proc_a 184)), 48862#(and (<= 186 proc_a) (<= proc_a 186)), 48863#(and (<= 188 proc_a) (<= proc_a 188)), 48864#(and (<= 190 proc_a) (<= proc_a 190)), 48865#(and (<= proc_a 192) (<= 192 proc_a)), 48866#(and (<= 194 proc_a) (<= proc_a 194)), 48867#(and (<= proc_a 196) (<= 196 proc_a)), 48868#(and (<= 198 proc_a) (<= proc_a 198)), 48869#(and (<= proc_a 200) (<= 200 proc_a)), 48870#(and (<= proc_a 202) (<= 202 proc_a)), 48871#(and (<= 204 proc_a) (<= proc_a 204)), 48872#(and (<= 206 proc_a) (<= proc_a 206)), 48873#(and (<= 208 proc_a) (<= proc_a 208)), 48874#(and (<= proc_a 210) (<= 210 proc_a)), 48875#(and (<= proc_a 212) (<= 212 proc_a)), 48876#(and (<= 214 proc_a) (<= proc_a 214)), 48877#(and (<= 216 proc_a) (<= proc_a 216)), 48878#(and (<= proc_a 218) (<= 218 proc_a)), 48879#(and (<= proc_a 220) (<= 220 proc_a)), 48880#(and (<= 222 proc_a) (<= proc_a 222)), 48881#(and (<= 224 proc_a) (<= proc_a 224)), 48882#(and (<= proc_a 226) (<= 226 proc_a)), 48883#(and (<= 228 proc_a) (<= proc_a 228)), 48884#(and (<= proc_a 230) (<= 230 proc_a)), 48885#(and (<= 232 proc_a) (<= proc_a 232)), 48886#(and (<= proc_a 234) (<= 234 proc_a)), 48887#(and (<= proc_a 236) (<= 236 proc_a)), 48888#(and (<= 238 proc_a) (<= proc_a 238)), 48889#(and (<= 240 proc_a) (<= proc_a 240)), 48890#(and (<= proc_a 242) (<= 242 proc_a)), 48891#(and (<= proc_a 244) (<= 244 proc_a)), 48892#(and (<= proc_a 246) (<= 246 proc_a)), 48893#(and (<= 248 proc_a) (<= proc_a 248)), 48894#(and (<= proc_a 250) (<= 250 proc_a)), 48895#(and (<= 252 proc_a) (<= proc_a 252))] [2018-07-23 13:52:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:18,079 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:52:18,079 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:52:18,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:52:18,080 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 139 states. [2018-07-23 13:52:19,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:19,056 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:52:19,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:52:19,056 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 138 [2018-07-23 13:52:19,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:19,057 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:52:19,057 INFO L226 Difference]: Without dead ends: 140 [2018-07-23 13:52:19,057 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:52:19,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-07-23 13:52:19,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-07-23 13:52:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-07-23 13:52:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 140 transitions. [2018-07-23 13:52:19,062 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 140 transitions. Word has length 138 [2018-07-23 13:52:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:19,062 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 140 transitions. [2018-07-23 13:52:19,062 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:52:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 140 transitions. [2018-07-23 13:52:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-07-23 13:52:19,063 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:19,063 INFO L357 BasicCegarLoop]: trace histogram [137, 1, 1] [2018-07-23 13:52:19,063 INFO L414 AbstractCegarLoop]: === Iteration 138 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:19,063 INFO L82 PathProgramCache]: Analyzing trace with hash 515610593, now seen corresponding path program 137 times [2018-07-23 13:52:19,063 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:19,832 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:19,833 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:19,833 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:52:19,833 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:19,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:19,833 INFO L185 omatonBuilderFactory]: Interpolants [49468#true, 49469#false, 49470#(and (<= proc_a 0) (<= 0 proc_a)), 49471#(and (<= 2 proc_a) (<= proc_a 2)), 49472#(and (<= 4 proc_a) (<= proc_a 4)), 49473#(and (<= 6 proc_a) (<= proc_a 6)), 49474#(and (<= proc_a 8) (<= 8 proc_a)), 49475#(and (<= 10 proc_a) (<= proc_a 10)), 49476#(and (<= proc_a 12) (<= 12 proc_a)), 49477#(and (<= 14 proc_a) (<= proc_a 14)), 49478#(and (<= proc_a 16) (<= 16 proc_a)), 49479#(and (<= 18 proc_a) (<= proc_a 18)), 49480#(and (<= 20 proc_a) (<= proc_a 20)), 49481#(and (<= 22 proc_a) (<= proc_a 22)), 49482#(and (<= 24 proc_a) (<= proc_a 24)), 49483#(and (<= 26 proc_a) (<= proc_a 26)), 49484#(and (<= proc_a 28) (<= 28 proc_a)), 49485#(and (<= proc_a 30) (<= 30 proc_a)), 49486#(and (<= 32 proc_a) (<= proc_a 32)), 49487#(and (<= 34 proc_a) (<= proc_a 34)), 49488#(and (<= 36 proc_a) (<= proc_a 36)), 49489#(and (<= 38 proc_a) (<= proc_a 38)), 49490#(and (<= 40 proc_a) (<= proc_a 40)), 49491#(and (<= proc_a 42) (<= 42 proc_a)), 49492#(and (<= proc_a 44) (<= 44 proc_a)), 49493#(and (<= proc_a 46) (<= 46 proc_a)), 49494#(and (<= 48 proc_a) (<= proc_a 48)), 49495#(and (<= 50 proc_a) (<= proc_a 50)), 49496#(and (<= 52 proc_a) (<= proc_a 52)), 49497#(and (<= 54 proc_a) (<= proc_a 54)), 49498#(and (<= proc_a 56) (<= 56 proc_a)), 49499#(and (<= proc_a 58) (<= 58 proc_a)), 49500#(and (<= 60 proc_a) (<= proc_a 60)), 49501#(and (<= 62 proc_a) (<= proc_a 62)), 49502#(and (<= 64 proc_a) (<= proc_a 64)), 49503#(and (<= 66 proc_a) (<= proc_a 66)), 49504#(and (<= 68 proc_a) (<= proc_a 68)), 49505#(and (<= proc_a 70) (<= 70 proc_a)), 49506#(and (<= 72 proc_a) (<= proc_a 72)), 49507#(and (<= proc_a 74) (<= 74 proc_a)), 49508#(and (<= proc_a 76) (<= 76 proc_a)), 49509#(and (<= 78 proc_a) (<= proc_a 78)), 49510#(and (<= proc_a 80) (<= 80 proc_a)), 49511#(and (<= 82 proc_a) (<= proc_a 82)), 49512#(and (<= proc_a 84) (<= 84 proc_a)), 49513#(and (<= 86 proc_a) (<= proc_a 86)), 49514#(and (<= 88 proc_a) (<= proc_a 88)), 49515#(and (<= proc_a 90) (<= 90 proc_a)), 49516#(and (<= 92 proc_a) (<= proc_a 92)), 49517#(and (<= proc_a 94) (<= 94 proc_a)), 49518#(and (<= proc_a 96) (<= 96 proc_a)), 49519#(and (<= 98 proc_a) (<= proc_a 98)), 49520#(and (<= proc_a 100) (<= 100 proc_a)), 49521#(and (<= 102 proc_a) (<= proc_a 102)), 49522#(and (<= proc_a 104) (<= 104 proc_a)), 49523#(and (<= 106 proc_a) (<= proc_a 106)), 49524#(and (<= proc_a 108) (<= 108 proc_a)), 49525#(and (<= proc_a 110) (<= 110 proc_a)), 49526#(and (<= proc_a 112) (<= 112 proc_a)), 49527#(and (<= 114 proc_a) (<= proc_a 114)), 49528#(and (<= 116 proc_a) (<= proc_a 116)), 49529#(and (<= proc_a 118) (<= 118 proc_a)), 49530#(and (<= 120 proc_a) (<= proc_a 120)), 49531#(and (<= proc_a 122) (<= 122 proc_a)), 49532#(and (<= proc_a 124) (<= 124 proc_a)), 49533#(and (<= proc_a 126) (<= 126 proc_a)), 49534#(and (<= 128 proc_a) (<= proc_a 128)), 49535#(and (<= proc_a 130) (<= 130 proc_a)), 49536#(and (<= 132 proc_a) (<= proc_a 132)), 49537#(and (<= proc_a 134) (<= 134 proc_a)), 49538#(and (<= proc_a 136) (<= 136 proc_a)), 49539#(and (<= proc_a 138) (<= 138 proc_a)), 49540#(and (<= proc_a 140) (<= 140 proc_a)), 49541#(and (<= 142 proc_a) (<= proc_a 142)), 49542#(and (<= 144 proc_a) (<= proc_a 144)), 49543#(and (<= proc_a 146) (<= 146 proc_a)), 49544#(and (<= 148 proc_a) (<= proc_a 148)), 49545#(and (<= proc_a 150) (<= 150 proc_a)), 49546#(and (<= proc_a 152) (<= 152 proc_a)), 49547#(and (<= 154 proc_a) (<= proc_a 154)), 49548#(and (<= 156 proc_a) (<= proc_a 156)), 49549#(and (<= proc_a 158) (<= 158 proc_a)), 49550#(and (<= 160 proc_a) (<= proc_a 160)), 49551#(and (<= proc_a 162) (<= 162 proc_a)), 49552#(and (<= 164 proc_a) (<= proc_a 164)), 49553#(and (<= 166 proc_a) (<= proc_a 166)), 49554#(and (<= 168 proc_a) (<= proc_a 168)), 49555#(and (<= 170 proc_a) (<= proc_a 170)), 49556#(and (<= 172 proc_a) (<= proc_a 172)), 49557#(and (<= proc_a 174) (<= 174 proc_a)), 49558#(and (<= 176 proc_a) (<= proc_a 176)), 49559#(and (<= 178 proc_a) (<= proc_a 178)), 49560#(and (<= proc_a 180) (<= 180 proc_a)), 49561#(and (<= proc_a 182) (<= 182 proc_a)), 49562#(and (<= 184 proc_a) (<= proc_a 184)), 49563#(and (<= 186 proc_a) (<= proc_a 186)), 49564#(and (<= 188 proc_a) (<= proc_a 188)), 49565#(and (<= 190 proc_a) (<= proc_a 190)), 49566#(and (<= proc_a 192) (<= 192 proc_a)), 49567#(and (<= 194 proc_a) (<= proc_a 194)), 49568#(and (<= proc_a 196) (<= 196 proc_a)), 49569#(and (<= 198 proc_a) (<= proc_a 198)), 49570#(and (<= proc_a 200) (<= 200 proc_a)), 49571#(and (<= proc_a 202) (<= 202 proc_a)), 49572#(and (<= 204 proc_a) (<= proc_a 204)), 49573#(and (<= 206 proc_a) (<= proc_a 206)), 49574#(and (<= 208 proc_a) (<= proc_a 208)), 49575#(and (<= proc_a 210) (<= 210 proc_a)), 49576#(and (<= proc_a 212) (<= 212 proc_a)), 49577#(and (<= 214 proc_a) (<= proc_a 214)), 49578#(and (<= 216 proc_a) (<= proc_a 216)), 49579#(and (<= proc_a 218) (<= 218 proc_a)), 49580#(and (<= proc_a 220) (<= 220 proc_a)), 49581#(and (<= 222 proc_a) (<= proc_a 222)), 49582#(and (<= 224 proc_a) (<= proc_a 224)), 49583#(and (<= proc_a 226) (<= 226 proc_a)), 49584#(and (<= 228 proc_a) (<= proc_a 228)), 49585#(and (<= proc_a 230) (<= 230 proc_a)), 49586#(and (<= 232 proc_a) (<= proc_a 232)), 49587#(and (<= proc_a 234) (<= 234 proc_a)), 49588#(and (<= proc_a 236) (<= 236 proc_a)), 49589#(and (<= 238 proc_a) (<= proc_a 238)), 49590#(and (<= 240 proc_a) (<= proc_a 240)), 49591#(and (<= proc_a 242) (<= 242 proc_a)), 49592#(and (<= proc_a 244) (<= 244 proc_a)), 49593#(and (<= proc_a 246) (<= 246 proc_a)), 49594#(and (<= 248 proc_a) (<= proc_a 248)), 49595#(and (<= proc_a 250) (<= 250 proc_a)), 49596#(and (<= 252 proc_a) (<= proc_a 252)), 49597#(and (<= 254 proc_a) (<= proc_a 254)), 49598#(and (<= proc_a 256) (<= 256 proc_a)), 49599#(and (<= 258 proc_a) (<= proc_a 258)), 49600#(and (<= proc_a 260) (<= 260 proc_a)), 49601#(and (<= 262 proc_a) (<= proc_a 262)), 49602#(and (<= proc_a 264) (<= 264 proc_a)), 49603#(and (<= 266 proc_a) (<= proc_a 266)), 49604#(and (<= proc_a 268) (<= 268 proc_a)), 49605#(and (<= proc_a 270) (<= 270 proc_a)), 49606#(and (<= proc_a 272) (<= 272 proc_a)), 49607#(and (<= proc_a 274) (<= 274 proc_a))] [2018-07-23 13:52:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:19,834 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:52:19,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:52:19,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:52:19,835 INFO L87 Difference]: Start difference. First operand 140 states and 140 transitions. Second operand 140 states. [2018-07-23 13:52:20,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:20,810 INFO L93 Difference]: Finished difference Result 142 states and 142 transitions. [2018-07-23 13:52:20,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:52:20,811 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 139 [2018-07-23 13:52:20,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:20,811 INFO L225 Difference]: With dead ends: 142 [2018-07-23 13:52:20,811 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:52:20,812 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:52:20,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:52:20,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:52:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:52:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:52:20,816 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 139 [2018-07-23 13:52:20,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:20,816 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:52:20,817 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:52:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:52:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:52:20,817 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:20,817 INFO L357 BasicCegarLoop]: trace histogram [138, 1, 1] [2018-07-23 13:52:20,817 INFO L414 AbstractCegarLoop]: === Iteration 139 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:20,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1195940857, now seen corresponding path program 138 times [2018-07-23 13:52:20,818 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:21,580 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:21,580 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:52:21,580 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:21,580 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 13:52:21,581 INFO L185 omatonBuilderFactory]: Interpolants [50176#(and (<= proc_a 0) (<= 0 proc_a)), 50177#(and (<= 2 proc_a) (<= proc_a 2)), 50178#(and (<= 4 proc_a) (<= proc_a 4)), 50179#(and (<= 6 proc_a) (<= proc_a 6)), 50180#(and (<= proc_a 8) (<= 8 proc_a)), 50181#(and (<= 10 proc_a) (<= proc_a 10)), 50182#(and (<= proc_a 12) (<= 12 proc_a)), 50183#(and (<= 14 proc_a) (<= proc_a 14)), 50184#(and (<= proc_a 16) (<= 16 proc_a)), 50185#(and (<= 18 proc_a) (<= proc_a 18)), 50186#(and (<= 20 proc_a) (<= proc_a 20)), 50187#(and (<= 22 proc_a) (<= proc_a 22)), 50188#(and (<= 24 proc_a) (<= proc_a 24)), 50189#(and (<= 26 proc_a) (<= proc_a 26)), 50190#(and (<= proc_a 28) (<= 28 proc_a)), 50191#(and (<= proc_a 30) (<= 30 proc_a)), 50192#(and (<= 32 proc_a) (<= proc_a 32)), 50193#(and (<= 34 proc_a) (<= proc_a 34)), 50194#(and (<= 36 proc_a) (<= proc_a 36)), 50195#(and (<= 38 proc_a) (<= proc_a 38)), 50196#(and (<= 40 proc_a) (<= proc_a 40)), 50197#(and (<= proc_a 42) (<= 42 proc_a)), 50198#(and (<= proc_a 44) (<= 44 proc_a)), 50199#(and (<= proc_a 46) (<= 46 proc_a)), 50200#(and (<= 48 proc_a) (<= proc_a 48)), 50201#(and (<= 50 proc_a) (<= proc_a 50)), 50202#(and (<= 52 proc_a) (<= proc_a 52)), 50203#(and (<= 54 proc_a) (<= proc_a 54)), 50204#(and (<= proc_a 56) (<= 56 proc_a)), 50205#(and (<= proc_a 58) (<= 58 proc_a)), 50206#(and (<= 60 proc_a) (<= proc_a 60)), 50207#(and (<= 62 proc_a) (<= proc_a 62)), 50208#(and (<= 64 proc_a) (<= proc_a 64)), 50209#(and (<= 66 proc_a) (<= proc_a 66)), 50210#(and (<= 68 proc_a) (<= proc_a 68)), 50211#(and (<= proc_a 70) (<= 70 proc_a)), 50212#(and (<= 72 proc_a) (<= proc_a 72)), 50213#(and (<= proc_a 74) (<= 74 proc_a)), 50214#(and (<= proc_a 76) (<= 76 proc_a)), 50215#(and (<= 78 proc_a) (<= proc_a 78)), 50216#(and (<= proc_a 80) (<= 80 proc_a)), 50217#(and (<= 82 proc_a) (<= proc_a 82)), 50218#(and (<= proc_a 84) (<= 84 proc_a)), 50219#(and (<= 86 proc_a) (<= proc_a 86)), 50220#(and (<= 88 proc_a) (<= proc_a 88)), 50221#(and (<= proc_a 90) (<= 90 proc_a)), 50222#(and (<= 92 proc_a) (<= proc_a 92)), 50223#(and (<= proc_a 94) (<= 94 proc_a)), 50224#(and (<= proc_a 96) (<= 96 proc_a)), 50225#(and (<= 98 proc_a) (<= proc_a 98)), 50226#(and (<= proc_a 100) (<= 100 proc_a)), 50227#(and (<= 102 proc_a) (<= proc_a 102)), 50228#(and (<= proc_a 104) (<= 104 proc_a)), 50229#(and (<= 106 proc_a) (<= proc_a 106)), 50230#(and (<= proc_a 108) (<= 108 proc_a)), 50231#(and (<= proc_a 110) (<= 110 proc_a)), 50232#(and (<= proc_a 112) (<= 112 proc_a)), 50233#(and (<= 114 proc_a) (<= proc_a 114)), 50234#(and (<= 116 proc_a) (<= proc_a 116)), 50235#(and (<= proc_a 118) (<= 118 proc_a)), 50236#(and (<= 120 proc_a) (<= proc_a 120)), 50237#(and (<= proc_a 122) (<= 122 proc_a)), 50238#(and (<= proc_a 124) (<= 124 proc_a)), 50239#(and (<= proc_a 126) (<= 126 proc_a)), 50240#(and (<= 128 proc_a) (<= proc_a 128)), 50241#(and (<= proc_a 130) (<= 130 proc_a)), 50242#(and (<= 132 proc_a) (<= proc_a 132)), 50243#(and (<= proc_a 134) (<= 134 proc_a)), 50244#(and (<= proc_a 136) (<= 136 proc_a)), 50245#(and (<= proc_a 138) (<= 138 proc_a)), 50246#(and (<= proc_a 140) (<= 140 proc_a)), 50247#(and (<= 142 proc_a) (<= proc_a 142)), 50248#(and (<= 144 proc_a) (<= proc_a 144)), 50249#(and (<= proc_a 146) (<= 146 proc_a)), 50250#(and (<= 148 proc_a) (<= proc_a 148)), 50251#(and (<= proc_a 150) (<= 150 proc_a)), 50252#(and (<= proc_a 152) (<= 152 proc_a)), 50253#(and (<= 154 proc_a) (<= proc_a 154)), 50254#(and (<= 156 proc_a) (<= proc_a 156)), 50255#(and (<= proc_a 158) (<= 158 proc_a)), 50256#(and (<= 160 proc_a) (<= proc_a 160)), 50257#(and (<= proc_a 162) (<= 162 proc_a)), 50258#(and (<= 164 proc_a) (<= proc_a 164)), 50259#(and (<= 166 proc_a) (<= proc_a 166)), 50260#(and (<= 168 proc_a) (<= proc_a 168)), 50261#(and (<= 170 proc_a) (<= proc_a 170)), 50262#(and (<= 172 proc_a) (<= proc_a 172)), 50263#(and (<= proc_a 174) (<= 174 proc_a)), 50264#(and (<= 176 proc_a) (<= proc_a 176)), 50265#(and (<= 178 proc_a) (<= proc_a 178)), 50266#(and (<= proc_a 180) (<= 180 proc_a)), 50267#(and (<= proc_a 182) (<= 182 proc_a)), 50268#(and (<= 184 proc_a) (<= proc_a 184)), 50269#(and (<= 186 proc_a) (<= proc_a 186)), 50270#(and (<= 188 proc_a) (<= proc_a 188)), 50271#(and (<= 190 proc_a) (<= proc_a 190)), 50272#(and (<= proc_a 192) (<= 192 proc_a)), 50273#(and (<= 194 proc_a) (<= proc_a 194)), 50274#(and (<= proc_a 196) (<= 196 proc_a)), 50275#(and (<= 198 proc_a) (<= proc_a 198)), 50276#(and (<= proc_a 200) (<= 200 proc_a)), 50277#(and (<= proc_a 202) (<= 202 proc_a)), 50278#(and (<= 204 proc_a) (<= proc_a 204)), 50279#(and (<= 206 proc_a) (<= proc_a 206)), 50280#(and (<= 208 proc_a) (<= proc_a 208)), 50281#(and (<= proc_a 210) (<= 210 proc_a)), 50282#(and (<= proc_a 212) (<= 212 proc_a)), 50283#(and (<= 214 proc_a) (<= proc_a 214)), 50284#(and (<= 216 proc_a) (<= proc_a 216)), 50285#(and (<= proc_a 218) (<= 218 proc_a)), 50286#(and (<= proc_a 220) (<= 220 proc_a)), 50287#(and (<= 222 proc_a) (<= proc_a 222)), 50288#(and (<= 224 proc_a) (<= proc_a 224)), 50289#(and (<= proc_a 226) (<= 226 proc_a)), 50290#(and (<= 228 proc_a) (<= proc_a 228)), 50291#(and (<= proc_a 230) (<= 230 proc_a)), 50292#(and (<= 232 proc_a) (<= proc_a 232)), 50293#(and (<= proc_a 234) (<= 234 proc_a)), 50294#(and (<= proc_a 236) (<= 236 proc_a)), 50295#(and (<= 238 proc_a) (<= proc_a 238)), 50296#(and (<= 240 proc_a) (<= proc_a 240)), 50297#(and (<= proc_a 242) (<= 242 proc_a)), 50298#(and (<= proc_a 244) (<= 244 proc_a)), 50299#(and (<= proc_a 246) (<= 246 proc_a)), 50300#(and (<= 248 proc_a) (<= proc_a 248)), 50301#(and (<= proc_a 250) (<= 250 proc_a)), 50302#(and (<= 252 proc_a) (<= proc_a 252)), 50303#(and (<= 254 proc_a) (<= proc_a 254)), 50304#(and (<= proc_a 256) (<= 256 proc_a)), 50305#(and (<= 258 proc_a) (<= proc_a 258)), 50306#(and (<= proc_a 260) (<= 260 proc_a)), 50307#(and (<= 262 proc_a) (<= proc_a 262)), 50308#(and (<= proc_a 264) (<= 264 proc_a)), 50309#(and (<= 266 proc_a) (<= proc_a 266)), 50310#(and (<= proc_a 268) (<= 268 proc_a)), 50311#(and (<= proc_a 270) (<= 270 proc_a)), 50312#(and (<= proc_a 272) (<= 272 proc_a)), 50313#(and (<= proc_a 274) (<= 274 proc_a)), 50314#(and (<= proc_a 276) (<= 276 proc_a)), 50174#true, 50175#false] [2018-07-23 13:52:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:21,581 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:52:21,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:52:21,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=19461, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:52:21,582 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 141 states. [2018-07-23 13:52:22,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:22,591 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:52:22,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:52:22,591 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 140 [2018-07-23 13:52:22,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:22,592 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:52:22,592 INFO L226 Difference]: Without dead ends: 142 [2018-07-23 13:52:22,593 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=279, Invalid=19461, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:52:22,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-07-23 13:52:22,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-07-23 13:52:22,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-07-23 13:52:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-07-23 13:52:22,597 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 140 [2018-07-23 13:52:22,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:22,597 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-07-23 13:52:22,597 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:52:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-07-23 13:52:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 13:52:22,598 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:22,598 INFO L357 BasicCegarLoop]: trace histogram [139, 1, 1] [2018-07-23 13:52:22,598 INFO L414 AbstractCegarLoop]: === Iteration 140 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:22,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1580539041, now seen corresponding path program 139 times [2018-07-23 13:52:22,598 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:23,372 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:23,372 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:52:23,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:23,373 INFO L185 omatonBuilderFactory]: Interpolants [50944#(and (<= 114 proc_a) (<= proc_a 114)), 50945#(and (<= 116 proc_a) (<= proc_a 116)), 50946#(and (<= proc_a 118) (<= 118 proc_a)), 50947#(and (<= 120 proc_a) (<= proc_a 120)), 50948#(and (<= proc_a 122) (<= 122 proc_a)), 50949#(and (<= proc_a 124) (<= 124 proc_a)), 50950#(and (<= proc_a 126) (<= 126 proc_a)), 50951#(and (<= 128 proc_a) (<= proc_a 128)), 50952#(and (<= proc_a 130) (<= 130 proc_a)), 50953#(and (<= 132 proc_a) (<= proc_a 132)), 50954#(and (<= proc_a 134) (<= 134 proc_a)), 50955#(and (<= proc_a 136) (<= 136 proc_a)), 50956#(and (<= proc_a 138) (<= 138 proc_a)), 50957#(and (<= proc_a 140) (<= 140 proc_a)), 50958#(and (<= 142 proc_a) (<= proc_a 142)), 50959#(and (<= 144 proc_a) (<= proc_a 144)), 50960#(and (<= proc_a 146) (<= 146 proc_a)), 50961#(and (<= 148 proc_a) (<= proc_a 148)), 50962#(and (<= proc_a 150) (<= 150 proc_a)), 50963#(and (<= proc_a 152) (<= 152 proc_a)), 50964#(and (<= 154 proc_a) (<= proc_a 154)), 50965#(and (<= 156 proc_a) (<= proc_a 156)), 50966#(and (<= proc_a 158) (<= 158 proc_a)), 50967#(and (<= 160 proc_a) (<= proc_a 160)), 50968#(and (<= proc_a 162) (<= 162 proc_a)), 50969#(and (<= 164 proc_a) (<= proc_a 164)), 50970#(and (<= 166 proc_a) (<= proc_a 166)), 50971#(and (<= 168 proc_a) (<= proc_a 168)), 50972#(and (<= 170 proc_a) (<= proc_a 170)), 50973#(and (<= 172 proc_a) (<= proc_a 172)), 50974#(and (<= proc_a 174) (<= 174 proc_a)), 50975#(and (<= 176 proc_a) (<= proc_a 176)), 50976#(and (<= 178 proc_a) (<= proc_a 178)), 50977#(and (<= proc_a 180) (<= 180 proc_a)), 50978#(and (<= proc_a 182) (<= 182 proc_a)), 50979#(and (<= 184 proc_a) (<= proc_a 184)), 50980#(and (<= 186 proc_a) (<= proc_a 186)), 50981#(and (<= 188 proc_a) (<= proc_a 188)), 50982#(and (<= 190 proc_a) (<= proc_a 190)), 50983#(and (<= proc_a 192) (<= 192 proc_a)), 50984#(and (<= 194 proc_a) (<= proc_a 194)), 50985#(and (<= proc_a 196) (<= 196 proc_a)), 50986#(and (<= 198 proc_a) (<= proc_a 198)), 50987#(and (<= proc_a 200) (<= 200 proc_a)), 50988#(and (<= proc_a 202) (<= 202 proc_a)), 50989#(and (<= 204 proc_a) (<= proc_a 204)), 50990#(and (<= 206 proc_a) (<= proc_a 206)), 50991#(and (<= 208 proc_a) (<= proc_a 208)), 50992#(and (<= proc_a 210) (<= 210 proc_a)), 50993#(and (<= proc_a 212) (<= 212 proc_a)), 50994#(and (<= 214 proc_a) (<= proc_a 214)), 50995#(and (<= 216 proc_a) (<= proc_a 216)), 50996#(and (<= proc_a 218) (<= 218 proc_a)), 50997#(and (<= proc_a 220) (<= 220 proc_a)), 50998#(and (<= 222 proc_a) (<= proc_a 222)), 50999#(and (<= 224 proc_a) (<= proc_a 224)), 51000#(and (<= proc_a 226) (<= 226 proc_a)), 51001#(and (<= 228 proc_a) (<= proc_a 228)), 51002#(and (<= proc_a 230) (<= 230 proc_a)), 51003#(and (<= 232 proc_a) (<= proc_a 232)), 51004#(and (<= proc_a 234) (<= 234 proc_a)), 51005#(and (<= proc_a 236) (<= 236 proc_a)), 51006#(and (<= 238 proc_a) (<= proc_a 238)), 51007#(and (<= 240 proc_a) (<= proc_a 240)), 51008#(and (<= proc_a 242) (<= 242 proc_a)), 51009#(and (<= proc_a 244) (<= 244 proc_a)), 51010#(and (<= proc_a 246) (<= 246 proc_a)), 51011#(and (<= 248 proc_a) (<= proc_a 248)), 51012#(and (<= proc_a 250) (<= 250 proc_a)), 51013#(and (<= 252 proc_a) (<= proc_a 252)), 51014#(and (<= 254 proc_a) (<= proc_a 254)), 51015#(and (<= proc_a 256) (<= 256 proc_a)), 51016#(and (<= 258 proc_a) (<= proc_a 258)), 51017#(and (<= proc_a 260) (<= 260 proc_a)), 51018#(and (<= 262 proc_a) (<= proc_a 262)), 51019#(and (<= proc_a 264) (<= 264 proc_a)), 51020#(and (<= 266 proc_a) (<= proc_a 266)), 51021#(and (<= proc_a 268) (<= 268 proc_a)), 51022#(and (<= proc_a 270) (<= 270 proc_a)), 51023#(and (<= proc_a 272) (<= 272 proc_a)), 51024#(and (<= proc_a 274) (<= 274 proc_a)), 51025#(and (<= proc_a 276) (<= 276 proc_a)), 51026#(and (<= proc_a 278) (<= 278 proc_a)), 50885#true, 50886#false, 50887#(and (<= proc_a 0) (<= 0 proc_a)), 50888#(and (<= 2 proc_a) (<= proc_a 2)), 50889#(and (<= 4 proc_a) (<= proc_a 4)), 50890#(and (<= 6 proc_a) (<= proc_a 6)), 50891#(and (<= proc_a 8) (<= 8 proc_a)), 50892#(and (<= 10 proc_a) (<= proc_a 10)), 50893#(and (<= proc_a 12) (<= 12 proc_a)), 50894#(and (<= 14 proc_a) (<= proc_a 14)), 50895#(and (<= proc_a 16) (<= 16 proc_a)), 50896#(and (<= 18 proc_a) (<= proc_a 18)), 50897#(and (<= 20 proc_a) (<= proc_a 20)), 50898#(and (<= 22 proc_a) (<= proc_a 22)), 50899#(and (<= 24 proc_a) (<= proc_a 24)), 50900#(and (<= 26 proc_a) (<= proc_a 26)), 50901#(and (<= proc_a 28) (<= 28 proc_a)), 50902#(and (<= proc_a 30) (<= 30 proc_a)), 50903#(and (<= 32 proc_a) (<= proc_a 32)), 50904#(and (<= 34 proc_a) (<= proc_a 34)), 50905#(and (<= 36 proc_a) (<= proc_a 36)), 50906#(and (<= 38 proc_a) (<= proc_a 38)), 50907#(and (<= 40 proc_a) (<= proc_a 40)), 50908#(and (<= proc_a 42) (<= 42 proc_a)), 50909#(and (<= proc_a 44) (<= 44 proc_a)), 50910#(and (<= proc_a 46) (<= 46 proc_a)), 50911#(and (<= 48 proc_a) (<= proc_a 48)), 50912#(and (<= 50 proc_a) (<= proc_a 50)), 50913#(and (<= 52 proc_a) (<= proc_a 52)), 50914#(and (<= 54 proc_a) (<= proc_a 54)), 50915#(and (<= proc_a 56) (<= 56 proc_a)), 50916#(and (<= proc_a 58) (<= 58 proc_a)), 50917#(and (<= 60 proc_a) (<= proc_a 60)), 50918#(and (<= 62 proc_a) (<= proc_a 62)), 50919#(and (<= 64 proc_a) (<= proc_a 64)), 50920#(and (<= 66 proc_a) (<= proc_a 66)), 50921#(and (<= 68 proc_a) (<= proc_a 68)), 50922#(and (<= proc_a 70) (<= 70 proc_a)), 50923#(and (<= 72 proc_a) (<= proc_a 72)), 50924#(and (<= proc_a 74) (<= 74 proc_a)), 50925#(and (<= proc_a 76) (<= 76 proc_a)), 50926#(and (<= 78 proc_a) (<= proc_a 78)), 50927#(and (<= proc_a 80) (<= 80 proc_a)), 50928#(and (<= 82 proc_a) (<= proc_a 82)), 50929#(and (<= proc_a 84) (<= 84 proc_a)), 50930#(and (<= 86 proc_a) (<= proc_a 86)), 50931#(and (<= 88 proc_a) (<= proc_a 88)), 50932#(and (<= proc_a 90) (<= 90 proc_a)), 50933#(and (<= 92 proc_a) (<= proc_a 92)), 50934#(and (<= proc_a 94) (<= 94 proc_a)), 50935#(and (<= proc_a 96) (<= 96 proc_a)), 50936#(and (<= 98 proc_a) (<= proc_a 98)), 50937#(and (<= proc_a 100) (<= 100 proc_a)), 50938#(and (<= 102 proc_a) (<= proc_a 102)), 50939#(and (<= proc_a 104) (<= 104 proc_a)), 50940#(and (<= 106 proc_a) (<= proc_a 106)), 50941#(and (<= proc_a 108) (<= 108 proc_a)), 50942#(and (<= proc_a 110) (<= 110 proc_a)), 50943#(and (<= proc_a 112) (<= 112 proc_a))] [2018-07-23 13:52:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:23,374 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:52:23,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:52:23,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=19741, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:52:23,375 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 142 states. [2018-07-23 13:52:24,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:24,344 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2018-07-23 13:52:24,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:52:24,344 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 141 [2018-07-23 13:52:24,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:24,345 INFO L225 Difference]: With dead ends: 144 [2018-07-23 13:52:24,345 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:52:24,346 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=281, Invalid=19741, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:52:24,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:52:24,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:52:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:52:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:52:24,352 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 141 [2018-07-23 13:52:24,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:24,352 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:52:24,352 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:52:24,353 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:52:24,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:52:24,353 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:24,353 INFO L357 BasicCegarLoop]: trace histogram [140, 1, 1] [2018-07-23 13:52:24,353 INFO L414 AbstractCegarLoop]: === Iteration 141 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:24,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1752069959, now seen corresponding path program 140 times [2018-07-23 13:52:24,354 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:25,147 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:25,147 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:52:25,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:25,148 INFO L185 omatonBuilderFactory]: Interpolants [51712#(and (<= proc_a 218) (<= 218 proc_a)), 51713#(and (<= proc_a 220) (<= 220 proc_a)), 51714#(and (<= 222 proc_a) (<= proc_a 222)), 51715#(and (<= 224 proc_a) (<= proc_a 224)), 51716#(and (<= proc_a 226) (<= 226 proc_a)), 51717#(and (<= 228 proc_a) (<= proc_a 228)), 51718#(and (<= proc_a 230) (<= 230 proc_a)), 51719#(and (<= 232 proc_a) (<= proc_a 232)), 51720#(and (<= proc_a 234) (<= 234 proc_a)), 51721#(and (<= proc_a 236) (<= 236 proc_a)), 51722#(and (<= 238 proc_a) (<= proc_a 238)), 51723#(and (<= 240 proc_a) (<= proc_a 240)), 51724#(and (<= proc_a 242) (<= 242 proc_a)), 51725#(and (<= proc_a 244) (<= 244 proc_a)), 51726#(and (<= proc_a 246) (<= 246 proc_a)), 51727#(and (<= 248 proc_a) (<= proc_a 248)), 51728#(and (<= proc_a 250) (<= 250 proc_a)), 51729#(and (<= 252 proc_a) (<= proc_a 252)), 51730#(and (<= 254 proc_a) (<= proc_a 254)), 51731#(and (<= proc_a 256) (<= 256 proc_a)), 51732#(and (<= 258 proc_a) (<= proc_a 258)), 51733#(and (<= proc_a 260) (<= 260 proc_a)), 51734#(and (<= 262 proc_a) (<= proc_a 262)), 51735#(and (<= proc_a 264) (<= 264 proc_a)), 51736#(and (<= 266 proc_a) (<= proc_a 266)), 51737#(and (<= proc_a 268) (<= 268 proc_a)), 51738#(and (<= proc_a 270) (<= 270 proc_a)), 51739#(and (<= proc_a 272) (<= 272 proc_a)), 51740#(and (<= proc_a 274) (<= 274 proc_a)), 51741#(and (<= proc_a 276) (<= 276 proc_a)), 51742#(and (<= proc_a 278) (<= 278 proc_a)), 51743#(and (<= proc_a 280) (<= 280 proc_a)), 51601#true, 51602#false, 51603#(and (<= proc_a 0) (<= 0 proc_a)), 51604#(and (<= 2 proc_a) (<= proc_a 2)), 51605#(and (<= 4 proc_a) (<= proc_a 4)), 51606#(and (<= 6 proc_a) (<= proc_a 6)), 51607#(and (<= proc_a 8) (<= 8 proc_a)), 51608#(and (<= 10 proc_a) (<= proc_a 10)), 51609#(and (<= proc_a 12) (<= 12 proc_a)), 51610#(and (<= 14 proc_a) (<= proc_a 14)), 51611#(and (<= proc_a 16) (<= 16 proc_a)), 51612#(and (<= 18 proc_a) (<= proc_a 18)), 51613#(and (<= 20 proc_a) (<= proc_a 20)), 51614#(and (<= 22 proc_a) (<= proc_a 22)), 51615#(and (<= 24 proc_a) (<= proc_a 24)), 51616#(and (<= 26 proc_a) (<= proc_a 26)), 51617#(and (<= proc_a 28) (<= 28 proc_a)), 51618#(and (<= proc_a 30) (<= 30 proc_a)), 51619#(and (<= 32 proc_a) (<= proc_a 32)), 51620#(and (<= 34 proc_a) (<= proc_a 34)), 51621#(and (<= 36 proc_a) (<= proc_a 36)), 51622#(and (<= 38 proc_a) (<= proc_a 38)), 51623#(and (<= 40 proc_a) (<= proc_a 40)), 51624#(and (<= proc_a 42) (<= 42 proc_a)), 51625#(and (<= proc_a 44) (<= 44 proc_a)), 51626#(and (<= proc_a 46) (<= 46 proc_a)), 51627#(and (<= 48 proc_a) (<= proc_a 48)), 51628#(and (<= 50 proc_a) (<= proc_a 50)), 51629#(and (<= 52 proc_a) (<= proc_a 52)), 51630#(and (<= 54 proc_a) (<= proc_a 54)), 51631#(and (<= proc_a 56) (<= 56 proc_a)), 51632#(and (<= proc_a 58) (<= 58 proc_a)), 51633#(and (<= 60 proc_a) (<= proc_a 60)), 51634#(and (<= 62 proc_a) (<= proc_a 62)), 51635#(and (<= 64 proc_a) (<= proc_a 64)), 51636#(and (<= 66 proc_a) (<= proc_a 66)), 51637#(and (<= 68 proc_a) (<= proc_a 68)), 51638#(and (<= proc_a 70) (<= 70 proc_a)), 51639#(and (<= 72 proc_a) (<= proc_a 72)), 51640#(and (<= proc_a 74) (<= 74 proc_a)), 51641#(and (<= proc_a 76) (<= 76 proc_a)), 51642#(and (<= 78 proc_a) (<= proc_a 78)), 51643#(and (<= proc_a 80) (<= 80 proc_a)), 51644#(and (<= 82 proc_a) (<= proc_a 82)), 51645#(and (<= proc_a 84) (<= 84 proc_a)), 51646#(and (<= 86 proc_a) (<= proc_a 86)), 51647#(and (<= 88 proc_a) (<= proc_a 88)), 51648#(and (<= proc_a 90) (<= 90 proc_a)), 51649#(and (<= 92 proc_a) (<= proc_a 92)), 51650#(and (<= proc_a 94) (<= 94 proc_a)), 51651#(and (<= proc_a 96) (<= 96 proc_a)), 51652#(and (<= 98 proc_a) (<= proc_a 98)), 51653#(and (<= proc_a 100) (<= 100 proc_a)), 51654#(and (<= 102 proc_a) (<= proc_a 102)), 51655#(and (<= proc_a 104) (<= 104 proc_a)), 51656#(and (<= 106 proc_a) (<= proc_a 106)), 51657#(and (<= proc_a 108) (<= 108 proc_a)), 51658#(and (<= proc_a 110) (<= 110 proc_a)), 51659#(and (<= proc_a 112) (<= 112 proc_a)), 51660#(and (<= 114 proc_a) (<= proc_a 114)), 51661#(and (<= 116 proc_a) (<= proc_a 116)), 51662#(and (<= proc_a 118) (<= 118 proc_a)), 51663#(and (<= 120 proc_a) (<= proc_a 120)), 51664#(and (<= proc_a 122) (<= 122 proc_a)), 51665#(and (<= proc_a 124) (<= 124 proc_a)), 51666#(and (<= proc_a 126) (<= 126 proc_a)), 51667#(and (<= 128 proc_a) (<= proc_a 128)), 51668#(and (<= proc_a 130) (<= 130 proc_a)), 51669#(and (<= 132 proc_a) (<= proc_a 132)), 51670#(and (<= proc_a 134) (<= 134 proc_a)), 51671#(and (<= proc_a 136) (<= 136 proc_a)), 51672#(and (<= proc_a 138) (<= 138 proc_a)), 51673#(and (<= proc_a 140) (<= 140 proc_a)), 51674#(and (<= 142 proc_a) (<= proc_a 142)), 51675#(and (<= 144 proc_a) (<= proc_a 144)), 51676#(and (<= proc_a 146) (<= 146 proc_a)), 51677#(and (<= 148 proc_a) (<= proc_a 148)), 51678#(and (<= proc_a 150) (<= 150 proc_a)), 51679#(and (<= proc_a 152) (<= 152 proc_a)), 51680#(and (<= 154 proc_a) (<= proc_a 154)), 51681#(and (<= 156 proc_a) (<= proc_a 156)), 51682#(and (<= proc_a 158) (<= 158 proc_a)), 51683#(and (<= 160 proc_a) (<= proc_a 160)), 51684#(and (<= proc_a 162) (<= 162 proc_a)), 51685#(and (<= 164 proc_a) (<= proc_a 164)), 51686#(and (<= 166 proc_a) (<= proc_a 166)), 51687#(and (<= 168 proc_a) (<= proc_a 168)), 51688#(and (<= 170 proc_a) (<= proc_a 170)), 51689#(and (<= 172 proc_a) (<= proc_a 172)), 51690#(and (<= proc_a 174) (<= 174 proc_a)), 51691#(and (<= 176 proc_a) (<= proc_a 176)), 51692#(and (<= 178 proc_a) (<= proc_a 178)), 51693#(and (<= proc_a 180) (<= 180 proc_a)), 51694#(and (<= proc_a 182) (<= 182 proc_a)), 51695#(and (<= 184 proc_a) (<= proc_a 184)), 51696#(and (<= 186 proc_a) (<= proc_a 186)), 51697#(and (<= 188 proc_a) (<= proc_a 188)), 51698#(and (<= 190 proc_a) (<= proc_a 190)), 51699#(and (<= proc_a 192) (<= 192 proc_a)), 51700#(and (<= 194 proc_a) (<= proc_a 194)), 51701#(and (<= proc_a 196) (<= 196 proc_a)), 51702#(and (<= 198 proc_a) (<= proc_a 198)), 51703#(and (<= proc_a 200) (<= 200 proc_a)), 51704#(and (<= proc_a 202) (<= 202 proc_a)), 51705#(and (<= 204 proc_a) (<= proc_a 204)), 51706#(and (<= 206 proc_a) (<= proc_a 206)), 51707#(and (<= 208 proc_a) (<= proc_a 208)), 51708#(and (<= proc_a 210) (<= 210 proc_a)), 51709#(and (<= proc_a 212) (<= 212 proc_a)), 51710#(and (<= 214 proc_a) (<= proc_a 214)), 51711#(and (<= 216 proc_a) (<= proc_a 216))] [2018-07-23 13:52:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:25,148 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:52:25,149 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:52:25,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=20023, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:52:25,150 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 143 states. [2018-07-23 13:52:26,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:26,149 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:52:26,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:52:26,149 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 142 [2018-07-23 13:52:26,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:26,149 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:52:26,149 INFO L226 Difference]: Without dead ends: 144 [2018-07-23 13:52:26,150 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=283, Invalid=20023, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:52:26,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-07-23 13:52:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-07-23 13:52:26,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-07-23 13:52:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2018-07-23 13:52:26,156 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 142 [2018-07-23 13:52:26,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:26,157 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2018-07-23 13:52:26,157 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:52:26,157 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2018-07-23 13:52:26,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-23 13:52:26,158 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:26,158 INFO L357 BasicCegarLoop]: trace histogram [141, 1, 1] [2018-07-23 13:52:26,158 INFO L414 AbstractCegarLoop]: === Iteration 142 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:26,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1520406175, now seen corresponding path program 141 times [2018-07-23 13:52:26,158 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:26,994 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:26,994 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:52:26,994 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:26,995 INFO L185 omatonBuilderFactory]: Interpolants [52322#true, 52323#false, 52324#(and (<= proc_a 0) (<= 0 proc_a)), 52325#(and (<= 2 proc_a) (<= proc_a 2)), 52326#(and (<= 4 proc_a) (<= proc_a 4)), 52327#(and (<= 6 proc_a) (<= proc_a 6)), 52328#(and (<= proc_a 8) (<= 8 proc_a)), 52329#(and (<= 10 proc_a) (<= proc_a 10)), 52330#(and (<= proc_a 12) (<= 12 proc_a)), 52331#(and (<= 14 proc_a) (<= proc_a 14)), 52332#(and (<= proc_a 16) (<= 16 proc_a)), 52333#(and (<= 18 proc_a) (<= proc_a 18)), 52334#(and (<= 20 proc_a) (<= proc_a 20)), 52335#(and (<= 22 proc_a) (<= proc_a 22)), 52336#(and (<= 24 proc_a) (<= proc_a 24)), 52337#(and (<= 26 proc_a) (<= proc_a 26)), 52338#(and (<= proc_a 28) (<= 28 proc_a)), 52339#(and (<= proc_a 30) (<= 30 proc_a)), 52340#(and (<= 32 proc_a) (<= proc_a 32)), 52341#(and (<= 34 proc_a) (<= proc_a 34)), 52342#(and (<= 36 proc_a) (<= proc_a 36)), 52343#(and (<= 38 proc_a) (<= proc_a 38)), 52344#(and (<= 40 proc_a) (<= proc_a 40)), 52345#(and (<= proc_a 42) (<= 42 proc_a)), 52346#(and (<= proc_a 44) (<= 44 proc_a)), 52347#(and (<= proc_a 46) (<= 46 proc_a)), 52348#(and (<= 48 proc_a) (<= proc_a 48)), 52349#(and (<= 50 proc_a) (<= proc_a 50)), 52350#(and (<= 52 proc_a) (<= proc_a 52)), 52351#(and (<= 54 proc_a) (<= proc_a 54)), 52352#(and (<= proc_a 56) (<= 56 proc_a)), 52353#(and (<= proc_a 58) (<= 58 proc_a)), 52354#(and (<= 60 proc_a) (<= proc_a 60)), 52355#(and (<= 62 proc_a) (<= proc_a 62)), 52356#(and (<= 64 proc_a) (<= proc_a 64)), 52357#(and (<= 66 proc_a) (<= proc_a 66)), 52358#(and (<= 68 proc_a) (<= proc_a 68)), 52359#(and (<= proc_a 70) (<= 70 proc_a)), 52360#(and (<= 72 proc_a) (<= proc_a 72)), 52361#(and (<= proc_a 74) (<= 74 proc_a)), 52362#(and (<= proc_a 76) (<= 76 proc_a)), 52363#(and (<= 78 proc_a) (<= proc_a 78)), 52364#(and (<= proc_a 80) (<= 80 proc_a)), 52365#(and (<= 82 proc_a) (<= proc_a 82)), 52366#(and (<= proc_a 84) (<= 84 proc_a)), 52367#(and (<= 86 proc_a) (<= proc_a 86)), 52368#(and (<= 88 proc_a) (<= proc_a 88)), 52369#(and (<= proc_a 90) (<= 90 proc_a)), 52370#(and (<= 92 proc_a) (<= proc_a 92)), 52371#(and (<= proc_a 94) (<= 94 proc_a)), 52372#(and (<= proc_a 96) (<= 96 proc_a)), 52373#(and (<= 98 proc_a) (<= proc_a 98)), 52374#(and (<= proc_a 100) (<= 100 proc_a)), 52375#(and (<= 102 proc_a) (<= proc_a 102)), 52376#(and (<= proc_a 104) (<= 104 proc_a)), 52377#(and (<= 106 proc_a) (<= proc_a 106)), 52378#(and (<= proc_a 108) (<= 108 proc_a)), 52379#(and (<= proc_a 110) (<= 110 proc_a)), 52380#(and (<= proc_a 112) (<= 112 proc_a)), 52381#(and (<= 114 proc_a) (<= proc_a 114)), 52382#(and (<= 116 proc_a) (<= proc_a 116)), 52383#(and (<= proc_a 118) (<= 118 proc_a)), 52384#(and (<= 120 proc_a) (<= proc_a 120)), 52385#(and (<= proc_a 122) (<= 122 proc_a)), 52386#(and (<= proc_a 124) (<= 124 proc_a)), 52387#(and (<= proc_a 126) (<= 126 proc_a)), 52388#(and (<= 128 proc_a) (<= proc_a 128)), 52389#(and (<= proc_a 130) (<= 130 proc_a)), 52390#(and (<= 132 proc_a) (<= proc_a 132)), 52391#(and (<= proc_a 134) (<= 134 proc_a)), 52392#(and (<= proc_a 136) (<= 136 proc_a)), 52393#(and (<= proc_a 138) (<= 138 proc_a)), 52394#(and (<= proc_a 140) (<= 140 proc_a)), 52395#(and (<= 142 proc_a) (<= proc_a 142)), 52396#(and (<= 144 proc_a) (<= proc_a 144)), 52397#(and (<= proc_a 146) (<= 146 proc_a)), 52398#(and (<= 148 proc_a) (<= proc_a 148)), 52399#(and (<= proc_a 150) (<= 150 proc_a)), 52400#(and (<= proc_a 152) (<= 152 proc_a)), 52401#(and (<= 154 proc_a) (<= proc_a 154)), 52402#(and (<= 156 proc_a) (<= proc_a 156)), 52403#(and (<= proc_a 158) (<= 158 proc_a)), 52404#(and (<= 160 proc_a) (<= proc_a 160)), 52405#(and (<= proc_a 162) (<= 162 proc_a)), 52406#(and (<= 164 proc_a) (<= proc_a 164)), 52407#(and (<= 166 proc_a) (<= proc_a 166)), 52408#(and (<= 168 proc_a) (<= proc_a 168)), 52409#(and (<= 170 proc_a) (<= proc_a 170)), 52410#(and (<= 172 proc_a) (<= proc_a 172)), 52411#(and (<= proc_a 174) (<= 174 proc_a)), 52412#(and (<= 176 proc_a) (<= proc_a 176)), 52413#(and (<= 178 proc_a) (<= proc_a 178)), 52414#(and (<= proc_a 180) (<= 180 proc_a)), 52415#(and (<= proc_a 182) (<= 182 proc_a)), 52416#(and (<= 184 proc_a) (<= proc_a 184)), 52417#(and (<= 186 proc_a) (<= proc_a 186)), 52418#(and (<= 188 proc_a) (<= proc_a 188)), 52419#(and (<= 190 proc_a) (<= proc_a 190)), 52420#(and (<= proc_a 192) (<= 192 proc_a)), 52421#(and (<= 194 proc_a) (<= proc_a 194)), 52422#(and (<= proc_a 196) (<= 196 proc_a)), 52423#(and (<= 198 proc_a) (<= proc_a 198)), 52424#(and (<= proc_a 200) (<= 200 proc_a)), 52425#(and (<= proc_a 202) (<= 202 proc_a)), 52426#(and (<= 204 proc_a) (<= proc_a 204)), 52427#(and (<= 206 proc_a) (<= proc_a 206)), 52428#(and (<= 208 proc_a) (<= proc_a 208)), 52429#(and (<= proc_a 210) (<= 210 proc_a)), 52430#(and (<= proc_a 212) (<= 212 proc_a)), 52431#(and (<= 214 proc_a) (<= proc_a 214)), 52432#(and (<= 216 proc_a) (<= proc_a 216)), 52433#(and (<= proc_a 218) (<= 218 proc_a)), 52434#(and (<= proc_a 220) (<= 220 proc_a)), 52435#(and (<= 222 proc_a) (<= proc_a 222)), 52436#(and (<= 224 proc_a) (<= proc_a 224)), 52437#(and (<= proc_a 226) (<= 226 proc_a)), 52438#(and (<= 228 proc_a) (<= proc_a 228)), 52439#(and (<= proc_a 230) (<= 230 proc_a)), 52440#(and (<= 232 proc_a) (<= proc_a 232)), 52441#(and (<= proc_a 234) (<= 234 proc_a)), 52442#(and (<= proc_a 236) (<= 236 proc_a)), 52443#(and (<= 238 proc_a) (<= proc_a 238)), 52444#(and (<= 240 proc_a) (<= proc_a 240)), 52445#(and (<= proc_a 242) (<= 242 proc_a)), 52446#(and (<= proc_a 244) (<= 244 proc_a)), 52447#(and (<= proc_a 246) (<= 246 proc_a)), 52448#(and (<= 248 proc_a) (<= proc_a 248)), 52449#(and (<= proc_a 250) (<= 250 proc_a)), 52450#(and (<= 252 proc_a) (<= proc_a 252)), 52451#(and (<= 254 proc_a) (<= proc_a 254)), 52452#(and (<= proc_a 256) (<= 256 proc_a)), 52453#(and (<= 258 proc_a) (<= proc_a 258)), 52454#(and (<= proc_a 260) (<= 260 proc_a)), 52455#(and (<= 262 proc_a) (<= proc_a 262)), 52456#(and (<= proc_a 264) (<= 264 proc_a)), 52457#(and (<= 266 proc_a) (<= proc_a 266)), 52458#(and (<= proc_a 268) (<= 268 proc_a)), 52459#(and (<= proc_a 270) (<= 270 proc_a)), 52460#(and (<= proc_a 272) (<= 272 proc_a)), 52461#(and (<= proc_a 274) (<= 274 proc_a)), 52462#(and (<= proc_a 276) (<= 276 proc_a)), 52463#(and (<= proc_a 278) (<= 278 proc_a)), 52464#(and (<= proc_a 280) (<= 280 proc_a)), 52465#(and (<= proc_a 282) (<= 282 proc_a))] [2018-07-23 13:52:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:26,995 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:52:26,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:52:26,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=20307, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:52:26,996 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand 144 states. [2018-07-23 13:52:27,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:27,969 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-07-23 13:52:27,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:52:27,969 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 143 [2018-07-23 13:52:27,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:27,969 INFO L225 Difference]: With dead ends: 146 [2018-07-23 13:52:27,969 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:52:27,970 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=285, Invalid=20307, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:52:27,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:52:27,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:52:27,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:52:27,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:52:27,974 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 143 [2018-07-23 13:52:27,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:27,974 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:52:27,974 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:52:27,975 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:52:27,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:52:27,975 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:27,975 INFO L357 BasicCegarLoop]: trace histogram [142, 1, 1] [2018-07-23 13:52:27,975 INFO L414 AbstractCegarLoop]: === Iteration 143 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:27,976 INFO L82 PathProgramCache]: Analyzing trace with hash 112048775, now seen corresponding path program 142 times [2018-07-23 13:52:27,976 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:28,910 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:28,910 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:52:28,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:28,911 INFO L185 omatonBuilderFactory]: Interpolants [53048#true, 53049#false, 53050#(and (<= proc_a 0) (<= 0 proc_a)), 53051#(and (<= 2 proc_a) (<= proc_a 2)), 53052#(and (<= 4 proc_a) (<= proc_a 4)), 53053#(and (<= 6 proc_a) (<= proc_a 6)), 53054#(and (<= proc_a 8) (<= 8 proc_a)), 53055#(and (<= 10 proc_a) (<= proc_a 10)), 53056#(and (<= proc_a 12) (<= 12 proc_a)), 53057#(and (<= 14 proc_a) (<= proc_a 14)), 53058#(and (<= proc_a 16) (<= 16 proc_a)), 53059#(and (<= 18 proc_a) (<= proc_a 18)), 53060#(and (<= 20 proc_a) (<= proc_a 20)), 53061#(and (<= 22 proc_a) (<= proc_a 22)), 53062#(and (<= 24 proc_a) (<= proc_a 24)), 53063#(and (<= 26 proc_a) (<= proc_a 26)), 53064#(and (<= proc_a 28) (<= 28 proc_a)), 53065#(and (<= proc_a 30) (<= 30 proc_a)), 53066#(and (<= 32 proc_a) (<= proc_a 32)), 53067#(and (<= 34 proc_a) (<= proc_a 34)), 53068#(and (<= 36 proc_a) (<= proc_a 36)), 53069#(and (<= 38 proc_a) (<= proc_a 38)), 53070#(and (<= 40 proc_a) (<= proc_a 40)), 53071#(and (<= proc_a 42) (<= 42 proc_a)), 53072#(and (<= proc_a 44) (<= 44 proc_a)), 53073#(and (<= proc_a 46) (<= 46 proc_a)), 53074#(and (<= 48 proc_a) (<= proc_a 48)), 53075#(and (<= 50 proc_a) (<= proc_a 50)), 53076#(and (<= 52 proc_a) (<= proc_a 52)), 53077#(and (<= 54 proc_a) (<= proc_a 54)), 53078#(and (<= proc_a 56) (<= 56 proc_a)), 53079#(and (<= proc_a 58) (<= 58 proc_a)), 53080#(and (<= 60 proc_a) (<= proc_a 60)), 53081#(and (<= 62 proc_a) (<= proc_a 62)), 53082#(and (<= 64 proc_a) (<= proc_a 64)), 53083#(and (<= 66 proc_a) (<= proc_a 66)), 53084#(and (<= 68 proc_a) (<= proc_a 68)), 53085#(and (<= proc_a 70) (<= 70 proc_a)), 53086#(and (<= 72 proc_a) (<= proc_a 72)), 53087#(and (<= proc_a 74) (<= 74 proc_a)), 53088#(and (<= proc_a 76) (<= 76 proc_a)), 53089#(and (<= 78 proc_a) (<= proc_a 78)), 53090#(and (<= proc_a 80) (<= 80 proc_a)), 53091#(and (<= 82 proc_a) (<= proc_a 82)), 53092#(and (<= proc_a 84) (<= 84 proc_a)), 53093#(and (<= 86 proc_a) (<= proc_a 86)), 53094#(and (<= 88 proc_a) (<= proc_a 88)), 53095#(and (<= proc_a 90) (<= 90 proc_a)), 53096#(and (<= 92 proc_a) (<= proc_a 92)), 53097#(and (<= proc_a 94) (<= 94 proc_a)), 53098#(and (<= proc_a 96) (<= 96 proc_a)), 53099#(and (<= 98 proc_a) (<= proc_a 98)), 53100#(and (<= proc_a 100) (<= 100 proc_a)), 53101#(and (<= 102 proc_a) (<= proc_a 102)), 53102#(and (<= proc_a 104) (<= 104 proc_a)), 53103#(and (<= 106 proc_a) (<= proc_a 106)), 53104#(and (<= proc_a 108) (<= 108 proc_a)), 53105#(and (<= proc_a 110) (<= 110 proc_a)), 53106#(and (<= proc_a 112) (<= 112 proc_a)), 53107#(and (<= 114 proc_a) (<= proc_a 114)), 53108#(and (<= 116 proc_a) (<= proc_a 116)), 53109#(and (<= proc_a 118) (<= 118 proc_a)), 53110#(and (<= 120 proc_a) (<= proc_a 120)), 53111#(and (<= proc_a 122) (<= 122 proc_a)), 53112#(and (<= proc_a 124) (<= 124 proc_a)), 53113#(and (<= proc_a 126) (<= 126 proc_a)), 53114#(and (<= 128 proc_a) (<= proc_a 128)), 53115#(and (<= proc_a 130) (<= 130 proc_a)), 53116#(and (<= 132 proc_a) (<= proc_a 132)), 53117#(and (<= proc_a 134) (<= 134 proc_a)), 53118#(and (<= proc_a 136) (<= 136 proc_a)), 53119#(and (<= proc_a 138) (<= 138 proc_a)), 53120#(and (<= proc_a 140) (<= 140 proc_a)), 53121#(and (<= 142 proc_a) (<= proc_a 142)), 53122#(and (<= 144 proc_a) (<= proc_a 144)), 53123#(and (<= proc_a 146) (<= 146 proc_a)), 53124#(and (<= 148 proc_a) (<= proc_a 148)), 53125#(and (<= proc_a 150) (<= 150 proc_a)), 53126#(and (<= proc_a 152) (<= 152 proc_a)), 53127#(and (<= 154 proc_a) (<= proc_a 154)), 53128#(and (<= 156 proc_a) (<= proc_a 156)), 53129#(and (<= proc_a 158) (<= 158 proc_a)), 53130#(and (<= 160 proc_a) (<= proc_a 160)), 53131#(and (<= proc_a 162) (<= 162 proc_a)), 53132#(and (<= 164 proc_a) (<= proc_a 164)), 53133#(and (<= 166 proc_a) (<= proc_a 166)), 53134#(and (<= 168 proc_a) (<= proc_a 168)), 53135#(and (<= 170 proc_a) (<= proc_a 170)), 53136#(and (<= 172 proc_a) (<= proc_a 172)), 53137#(and (<= proc_a 174) (<= 174 proc_a)), 53138#(and (<= 176 proc_a) (<= proc_a 176)), 53139#(and (<= 178 proc_a) (<= proc_a 178)), 53140#(and (<= proc_a 180) (<= 180 proc_a)), 53141#(and (<= proc_a 182) (<= 182 proc_a)), 53142#(and (<= 184 proc_a) (<= proc_a 184)), 53143#(and (<= 186 proc_a) (<= proc_a 186)), 53144#(and (<= 188 proc_a) (<= proc_a 188)), 53145#(and (<= 190 proc_a) (<= proc_a 190)), 53146#(and (<= proc_a 192) (<= 192 proc_a)), 53147#(and (<= 194 proc_a) (<= proc_a 194)), 53148#(and (<= proc_a 196) (<= 196 proc_a)), 53149#(and (<= 198 proc_a) (<= proc_a 198)), 53150#(and (<= proc_a 200) (<= 200 proc_a)), 53151#(and (<= proc_a 202) (<= 202 proc_a)), 53152#(and (<= 204 proc_a) (<= proc_a 204)), 53153#(and (<= 206 proc_a) (<= proc_a 206)), 53154#(and (<= 208 proc_a) (<= proc_a 208)), 53155#(and (<= proc_a 210) (<= 210 proc_a)), 53156#(and (<= proc_a 212) (<= 212 proc_a)), 53157#(and (<= 214 proc_a) (<= proc_a 214)), 53158#(and (<= 216 proc_a) (<= proc_a 216)), 53159#(and (<= proc_a 218) (<= 218 proc_a)), 53160#(and (<= proc_a 220) (<= 220 proc_a)), 53161#(and (<= 222 proc_a) (<= proc_a 222)), 53162#(and (<= 224 proc_a) (<= proc_a 224)), 53163#(and (<= proc_a 226) (<= 226 proc_a)), 53164#(and (<= 228 proc_a) (<= proc_a 228)), 53165#(and (<= proc_a 230) (<= 230 proc_a)), 53166#(and (<= 232 proc_a) (<= proc_a 232)), 53167#(and (<= proc_a 234) (<= 234 proc_a)), 53168#(and (<= proc_a 236) (<= 236 proc_a)), 53169#(and (<= 238 proc_a) (<= proc_a 238)), 53170#(and (<= 240 proc_a) (<= proc_a 240)), 53171#(and (<= proc_a 242) (<= 242 proc_a)), 53172#(and (<= proc_a 244) (<= 244 proc_a)), 53173#(and (<= proc_a 246) (<= 246 proc_a)), 53174#(and (<= 248 proc_a) (<= proc_a 248)), 53175#(and (<= proc_a 250) (<= 250 proc_a)), 53176#(and (<= 252 proc_a) (<= proc_a 252)), 53177#(and (<= 254 proc_a) (<= proc_a 254)), 53178#(and (<= proc_a 256) (<= 256 proc_a)), 53179#(and (<= 258 proc_a) (<= proc_a 258)), 53180#(and (<= proc_a 260) (<= 260 proc_a)), 53181#(and (<= 262 proc_a) (<= proc_a 262)), 53182#(and (<= proc_a 264) (<= 264 proc_a)), 53183#(and (<= 266 proc_a) (<= proc_a 266)), 53184#(and (<= proc_a 268) (<= 268 proc_a)), 53185#(and (<= proc_a 270) (<= 270 proc_a)), 53186#(and (<= proc_a 272) (<= 272 proc_a)), 53187#(and (<= proc_a 274) (<= 274 proc_a)), 53188#(and (<= proc_a 276) (<= 276 proc_a)), 53189#(and (<= proc_a 278) (<= 278 proc_a)), 53190#(and (<= proc_a 280) (<= 280 proc_a)), 53191#(and (<= proc_a 282) (<= 282 proc_a)), 53192#(and (<= proc_a 284) (<= 284 proc_a))] [2018-07-23 13:52:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:28,911 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:52:28,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:52:28,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=20593, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:52:28,912 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 145 states. [2018-07-23 13:52:29,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:29,951 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:52:29,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:52:29,952 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 144 [2018-07-23 13:52:29,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:29,952 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:52:29,952 INFO L226 Difference]: Without dead ends: 146 [2018-07-23 13:52:29,954 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=287, Invalid=20593, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:52:29,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-07-23 13:52:29,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-07-23 13:52:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-07-23 13:52:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 146 transitions. [2018-07-23 13:52:29,959 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 146 transitions. Word has length 144 [2018-07-23 13:52:29,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:29,960 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 146 transitions. [2018-07-23 13:52:29,960 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:52:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 146 transitions. [2018-07-23 13:52:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-23 13:52:29,960 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:29,961 INFO L357 BasicCegarLoop]: trace histogram [143, 1, 1] [2018-07-23 13:52:29,961 INFO L414 AbstractCegarLoop]: === Iteration 144 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:29,961 INFO L82 PathProgramCache]: Analyzing trace with hash -821455327, now seen corresponding path program 143 times [2018-07-23 13:52:29,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:30,783 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:30,783 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:52:30,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:30,783 INFO L185 omatonBuilderFactory]: Interpolants [53779#true, 53780#false, 53781#(and (<= proc_a 0) (<= 0 proc_a)), 53782#(and (<= 2 proc_a) (<= proc_a 2)), 53783#(and (<= 4 proc_a) (<= proc_a 4)), 53784#(and (<= 6 proc_a) (<= proc_a 6)), 53785#(and (<= proc_a 8) (<= 8 proc_a)), 53786#(and (<= 10 proc_a) (<= proc_a 10)), 53787#(and (<= proc_a 12) (<= 12 proc_a)), 53788#(and (<= 14 proc_a) (<= proc_a 14)), 53789#(and (<= proc_a 16) (<= 16 proc_a)), 53790#(and (<= 18 proc_a) (<= proc_a 18)), 53791#(and (<= 20 proc_a) (<= proc_a 20)), 53792#(and (<= 22 proc_a) (<= proc_a 22)), 53793#(and (<= 24 proc_a) (<= proc_a 24)), 53794#(and (<= 26 proc_a) (<= proc_a 26)), 53795#(and (<= proc_a 28) (<= 28 proc_a)), 53796#(and (<= proc_a 30) (<= 30 proc_a)), 53797#(and (<= 32 proc_a) (<= proc_a 32)), 53798#(and (<= 34 proc_a) (<= proc_a 34)), 53799#(and (<= 36 proc_a) (<= proc_a 36)), 53800#(and (<= 38 proc_a) (<= proc_a 38)), 53801#(and (<= 40 proc_a) (<= proc_a 40)), 53802#(and (<= proc_a 42) (<= 42 proc_a)), 53803#(and (<= proc_a 44) (<= 44 proc_a)), 53804#(and (<= proc_a 46) (<= 46 proc_a)), 53805#(and (<= 48 proc_a) (<= proc_a 48)), 53806#(and (<= 50 proc_a) (<= proc_a 50)), 53807#(and (<= 52 proc_a) (<= proc_a 52)), 53808#(and (<= 54 proc_a) (<= proc_a 54)), 53809#(and (<= proc_a 56) (<= 56 proc_a)), 53810#(and (<= proc_a 58) (<= 58 proc_a)), 53811#(and (<= 60 proc_a) (<= proc_a 60)), 53812#(and (<= 62 proc_a) (<= proc_a 62)), 53813#(and (<= 64 proc_a) (<= proc_a 64)), 53814#(and (<= 66 proc_a) (<= proc_a 66)), 53815#(and (<= 68 proc_a) (<= proc_a 68)), 53816#(and (<= proc_a 70) (<= 70 proc_a)), 53817#(and (<= 72 proc_a) (<= proc_a 72)), 53818#(and (<= proc_a 74) (<= 74 proc_a)), 53819#(and (<= proc_a 76) (<= 76 proc_a)), 53820#(and (<= 78 proc_a) (<= proc_a 78)), 53821#(and (<= proc_a 80) (<= 80 proc_a)), 53822#(and (<= 82 proc_a) (<= proc_a 82)), 53823#(and (<= proc_a 84) (<= 84 proc_a)), 53824#(and (<= 86 proc_a) (<= proc_a 86)), 53825#(and (<= 88 proc_a) (<= proc_a 88)), 53826#(and (<= proc_a 90) (<= 90 proc_a)), 53827#(and (<= 92 proc_a) (<= proc_a 92)), 53828#(and (<= proc_a 94) (<= 94 proc_a)), 53829#(and (<= proc_a 96) (<= 96 proc_a)), 53830#(and (<= 98 proc_a) (<= proc_a 98)), 53831#(and (<= proc_a 100) (<= 100 proc_a)), 53832#(and (<= 102 proc_a) (<= proc_a 102)), 53833#(and (<= proc_a 104) (<= 104 proc_a)), 53834#(and (<= 106 proc_a) (<= proc_a 106)), 53835#(and (<= proc_a 108) (<= 108 proc_a)), 53836#(and (<= proc_a 110) (<= 110 proc_a)), 53837#(and (<= proc_a 112) (<= 112 proc_a)), 53838#(and (<= 114 proc_a) (<= proc_a 114)), 53839#(and (<= 116 proc_a) (<= proc_a 116)), 53840#(and (<= proc_a 118) (<= 118 proc_a)), 53841#(and (<= 120 proc_a) (<= proc_a 120)), 53842#(and (<= proc_a 122) (<= 122 proc_a)), 53843#(and (<= proc_a 124) (<= 124 proc_a)), 53844#(and (<= proc_a 126) (<= 126 proc_a)), 53845#(and (<= 128 proc_a) (<= proc_a 128)), 53846#(and (<= proc_a 130) (<= 130 proc_a)), 53847#(and (<= 132 proc_a) (<= proc_a 132)), 53848#(and (<= proc_a 134) (<= 134 proc_a)), 53849#(and (<= proc_a 136) (<= 136 proc_a)), 53850#(and (<= proc_a 138) (<= 138 proc_a)), 53851#(and (<= proc_a 140) (<= 140 proc_a)), 53852#(and (<= 142 proc_a) (<= proc_a 142)), 53853#(and (<= 144 proc_a) (<= proc_a 144)), 53854#(and (<= proc_a 146) (<= 146 proc_a)), 53855#(and (<= 148 proc_a) (<= proc_a 148)), 53856#(and (<= proc_a 150) (<= 150 proc_a)), 53857#(and (<= proc_a 152) (<= 152 proc_a)), 53858#(and (<= 154 proc_a) (<= proc_a 154)), 53859#(and (<= 156 proc_a) (<= proc_a 156)), 53860#(and (<= proc_a 158) (<= 158 proc_a)), 53861#(and (<= 160 proc_a) (<= proc_a 160)), 53862#(and (<= proc_a 162) (<= 162 proc_a)), 53863#(and (<= 164 proc_a) (<= proc_a 164)), 53864#(and (<= 166 proc_a) (<= proc_a 166)), 53865#(and (<= 168 proc_a) (<= proc_a 168)), 53866#(and (<= 170 proc_a) (<= proc_a 170)), 53867#(and (<= 172 proc_a) (<= proc_a 172)), 53868#(and (<= proc_a 174) (<= 174 proc_a)), 53869#(and (<= 176 proc_a) (<= proc_a 176)), 53870#(and (<= 178 proc_a) (<= proc_a 178)), 53871#(and (<= proc_a 180) (<= 180 proc_a)), 53872#(and (<= proc_a 182) (<= 182 proc_a)), 53873#(and (<= 184 proc_a) (<= proc_a 184)), 53874#(and (<= 186 proc_a) (<= proc_a 186)), 53875#(and (<= 188 proc_a) (<= proc_a 188)), 53876#(and (<= 190 proc_a) (<= proc_a 190)), 53877#(and (<= proc_a 192) (<= 192 proc_a)), 53878#(and (<= 194 proc_a) (<= proc_a 194)), 53879#(and (<= proc_a 196) (<= 196 proc_a)), 53880#(and (<= 198 proc_a) (<= proc_a 198)), 53881#(and (<= proc_a 200) (<= 200 proc_a)), 53882#(and (<= proc_a 202) (<= 202 proc_a)), 53883#(and (<= 204 proc_a) (<= proc_a 204)), 53884#(and (<= 206 proc_a) (<= proc_a 206)), 53885#(and (<= 208 proc_a) (<= proc_a 208)), 53886#(and (<= proc_a 210) (<= 210 proc_a)), 53887#(and (<= proc_a 212) (<= 212 proc_a)), 53888#(and (<= 214 proc_a) (<= proc_a 214)), 53889#(and (<= 216 proc_a) (<= proc_a 216)), 53890#(and (<= proc_a 218) (<= 218 proc_a)), 53891#(and (<= proc_a 220) (<= 220 proc_a)), 53892#(and (<= 222 proc_a) (<= proc_a 222)), 53893#(and (<= 224 proc_a) (<= proc_a 224)), 53894#(and (<= proc_a 226) (<= 226 proc_a)), 53895#(and (<= 228 proc_a) (<= proc_a 228)), 53896#(and (<= proc_a 230) (<= 230 proc_a)), 53897#(and (<= 232 proc_a) (<= proc_a 232)), 53898#(and (<= proc_a 234) (<= 234 proc_a)), 53899#(and (<= proc_a 236) (<= 236 proc_a)), 53900#(and (<= 238 proc_a) (<= proc_a 238)), 53901#(and (<= 240 proc_a) (<= proc_a 240)), 53902#(and (<= proc_a 242) (<= 242 proc_a)), 53903#(and (<= proc_a 244) (<= 244 proc_a)), 53904#(and (<= proc_a 246) (<= 246 proc_a)), 53905#(and (<= 248 proc_a) (<= proc_a 248)), 53906#(and (<= proc_a 250) (<= 250 proc_a)), 53907#(and (<= 252 proc_a) (<= proc_a 252)), 53908#(and (<= 254 proc_a) (<= proc_a 254)), 53909#(and (<= proc_a 256) (<= 256 proc_a)), 53910#(and (<= 258 proc_a) (<= proc_a 258)), 53911#(and (<= proc_a 260) (<= 260 proc_a)), 53912#(and (<= 262 proc_a) (<= proc_a 262)), 53913#(and (<= proc_a 264) (<= 264 proc_a)), 53914#(and (<= 266 proc_a) (<= proc_a 266)), 53915#(and (<= proc_a 268) (<= 268 proc_a)), 53916#(and (<= proc_a 270) (<= 270 proc_a)), 53917#(and (<= proc_a 272) (<= 272 proc_a)), 53918#(and (<= proc_a 274) (<= 274 proc_a)), 53919#(and (<= proc_a 276) (<= 276 proc_a)), 53920#(and (<= proc_a 278) (<= 278 proc_a)), 53921#(and (<= proc_a 280) (<= 280 proc_a)), 53922#(and (<= proc_a 282) (<= 282 proc_a)), 53923#(and (<= proc_a 284) (<= 284 proc_a)), 53924#(and (<= proc_a 286) (<= 286 proc_a))] [2018-07-23 13:52:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:30,784 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:52:30,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:52:30,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=20881, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:52:30,785 INFO L87 Difference]: Start difference. First operand 146 states and 146 transitions. Second operand 146 states. [2018-07-23 13:52:31,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:31,798 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-07-23 13:52:31,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:52:31,798 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 145 [2018-07-23 13:52:31,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:31,799 INFO L225 Difference]: With dead ends: 148 [2018-07-23 13:52:31,799 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:52:31,799 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=289, Invalid=20881, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:52:31,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:52:31,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:52:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:52:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:52:31,803 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 145 [2018-07-23 13:52:31,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:31,804 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:52:31,804 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:52:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:52:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:52:31,804 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:31,804 INFO L357 BasicCegarLoop]: trace histogram [144, 1, 1] [2018-07-23 13:52:31,804 INFO L414 AbstractCegarLoop]: === Iteration 145 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:31,804 INFO L82 PathProgramCache]: Analyzing trace with hash 304688583, now seen corresponding path program 144 times [2018-07-23 13:52:31,804 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:32,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:32,617 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:32,617 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:52:32,617 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:32,617 INFO L185 omatonBuilderFactory]: Interpolants [54528#(and (<= 22 proc_a) (<= proc_a 22)), 54529#(and (<= 24 proc_a) (<= proc_a 24)), 54530#(and (<= 26 proc_a) (<= proc_a 26)), 54531#(and (<= proc_a 28) (<= 28 proc_a)), 54532#(and (<= proc_a 30) (<= 30 proc_a)), 54533#(and (<= 32 proc_a) (<= proc_a 32)), 54534#(and (<= 34 proc_a) (<= proc_a 34)), 54535#(and (<= 36 proc_a) (<= proc_a 36)), 54536#(and (<= 38 proc_a) (<= proc_a 38)), 54537#(and (<= 40 proc_a) (<= proc_a 40)), 54538#(and (<= proc_a 42) (<= 42 proc_a)), 54539#(and (<= proc_a 44) (<= 44 proc_a)), 54540#(and (<= proc_a 46) (<= 46 proc_a)), 54541#(and (<= 48 proc_a) (<= proc_a 48)), 54542#(and (<= 50 proc_a) (<= proc_a 50)), 54543#(and (<= 52 proc_a) (<= proc_a 52)), 54544#(and (<= 54 proc_a) (<= proc_a 54)), 54545#(and (<= proc_a 56) (<= 56 proc_a)), 54546#(and (<= proc_a 58) (<= 58 proc_a)), 54547#(and (<= 60 proc_a) (<= proc_a 60)), 54548#(and (<= 62 proc_a) (<= proc_a 62)), 54549#(and (<= 64 proc_a) (<= proc_a 64)), 54550#(and (<= 66 proc_a) (<= proc_a 66)), 54551#(and (<= 68 proc_a) (<= proc_a 68)), 54552#(and (<= proc_a 70) (<= 70 proc_a)), 54553#(and (<= 72 proc_a) (<= proc_a 72)), 54554#(and (<= proc_a 74) (<= 74 proc_a)), 54555#(and (<= proc_a 76) (<= 76 proc_a)), 54556#(and (<= 78 proc_a) (<= proc_a 78)), 54557#(and (<= proc_a 80) (<= 80 proc_a)), 54558#(and (<= 82 proc_a) (<= proc_a 82)), 54559#(and (<= proc_a 84) (<= 84 proc_a)), 54560#(and (<= 86 proc_a) (<= proc_a 86)), 54561#(and (<= 88 proc_a) (<= proc_a 88)), 54562#(and (<= proc_a 90) (<= 90 proc_a)), 54563#(and (<= 92 proc_a) (<= proc_a 92)), 54564#(and (<= proc_a 94) (<= 94 proc_a)), 54565#(and (<= proc_a 96) (<= 96 proc_a)), 54566#(and (<= 98 proc_a) (<= proc_a 98)), 54567#(and (<= proc_a 100) (<= 100 proc_a)), 54568#(and (<= 102 proc_a) (<= proc_a 102)), 54569#(and (<= proc_a 104) (<= 104 proc_a)), 54570#(and (<= 106 proc_a) (<= proc_a 106)), 54571#(and (<= proc_a 108) (<= 108 proc_a)), 54572#(and (<= proc_a 110) (<= 110 proc_a)), 54573#(and (<= proc_a 112) (<= 112 proc_a)), 54574#(and (<= 114 proc_a) (<= proc_a 114)), 54575#(and (<= 116 proc_a) (<= proc_a 116)), 54576#(and (<= proc_a 118) (<= 118 proc_a)), 54577#(and (<= 120 proc_a) (<= proc_a 120)), 54578#(and (<= proc_a 122) (<= 122 proc_a)), 54579#(and (<= proc_a 124) (<= 124 proc_a)), 54580#(and (<= proc_a 126) (<= 126 proc_a)), 54581#(and (<= 128 proc_a) (<= proc_a 128)), 54582#(and (<= proc_a 130) (<= 130 proc_a)), 54583#(and (<= 132 proc_a) (<= proc_a 132)), 54584#(and (<= proc_a 134) (<= 134 proc_a)), 54585#(and (<= proc_a 136) (<= 136 proc_a)), 54586#(and (<= proc_a 138) (<= 138 proc_a)), 54587#(and (<= proc_a 140) (<= 140 proc_a)), 54588#(and (<= 142 proc_a) (<= proc_a 142)), 54589#(and (<= 144 proc_a) (<= proc_a 144)), 54590#(and (<= proc_a 146) (<= 146 proc_a)), 54591#(and (<= 148 proc_a) (<= proc_a 148)), 54592#(and (<= proc_a 150) (<= 150 proc_a)), 54593#(and (<= proc_a 152) (<= 152 proc_a)), 54594#(and (<= 154 proc_a) (<= proc_a 154)), 54595#(and (<= 156 proc_a) (<= proc_a 156)), 54596#(and (<= proc_a 158) (<= 158 proc_a)), 54597#(and (<= 160 proc_a) (<= proc_a 160)), 54598#(and (<= proc_a 162) (<= 162 proc_a)), 54599#(and (<= 164 proc_a) (<= proc_a 164)), 54600#(and (<= 166 proc_a) (<= proc_a 166)), 54601#(and (<= 168 proc_a) (<= proc_a 168)), 54602#(and (<= 170 proc_a) (<= proc_a 170)), 54603#(and (<= 172 proc_a) (<= proc_a 172)), 54604#(and (<= proc_a 174) (<= 174 proc_a)), 54605#(and (<= 176 proc_a) (<= proc_a 176)), 54606#(and (<= 178 proc_a) (<= proc_a 178)), 54607#(and (<= proc_a 180) (<= 180 proc_a)), 54608#(and (<= proc_a 182) (<= 182 proc_a)), 54609#(and (<= 184 proc_a) (<= proc_a 184)), 54610#(and (<= 186 proc_a) (<= proc_a 186)), 54611#(and (<= 188 proc_a) (<= proc_a 188)), 54612#(and (<= 190 proc_a) (<= proc_a 190)), 54613#(and (<= proc_a 192) (<= 192 proc_a)), 54614#(and (<= 194 proc_a) (<= proc_a 194)), 54615#(and (<= proc_a 196) (<= 196 proc_a)), 54616#(and (<= 198 proc_a) (<= proc_a 198)), 54617#(and (<= proc_a 200) (<= 200 proc_a)), 54618#(and (<= proc_a 202) (<= 202 proc_a)), 54619#(and (<= 204 proc_a) (<= proc_a 204)), 54620#(and (<= 206 proc_a) (<= proc_a 206)), 54621#(and (<= 208 proc_a) (<= proc_a 208)), 54622#(and (<= proc_a 210) (<= 210 proc_a)), 54623#(and (<= proc_a 212) (<= 212 proc_a)), 54624#(and (<= 214 proc_a) (<= proc_a 214)), 54625#(and (<= 216 proc_a) (<= proc_a 216)), 54626#(and (<= proc_a 218) (<= 218 proc_a)), 54627#(and (<= proc_a 220) (<= 220 proc_a)), 54628#(and (<= 222 proc_a) (<= proc_a 222)), 54629#(and (<= 224 proc_a) (<= proc_a 224)), 54630#(and (<= proc_a 226) (<= 226 proc_a)), 54631#(and (<= 228 proc_a) (<= proc_a 228)), 54632#(and (<= proc_a 230) (<= 230 proc_a)), 54633#(and (<= 232 proc_a) (<= proc_a 232)), 54634#(and (<= proc_a 234) (<= 234 proc_a)), 54635#(and (<= proc_a 236) (<= 236 proc_a)), 54636#(and (<= 238 proc_a) (<= proc_a 238)), 54637#(and (<= 240 proc_a) (<= proc_a 240)), 54638#(and (<= proc_a 242) (<= 242 proc_a)), 54639#(and (<= proc_a 244) (<= 244 proc_a)), 54640#(and (<= proc_a 246) (<= 246 proc_a)), 54641#(and (<= 248 proc_a) (<= proc_a 248)), 54642#(and (<= proc_a 250) (<= 250 proc_a)), 54643#(and (<= 252 proc_a) (<= proc_a 252)), 54644#(and (<= 254 proc_a) (<= proc_a 254)), 54645#(and (<= proc_a 256) (<= 256 proc_a)), 54646#(and (<= 258 proc_a) (<= proc_a 258)), 54647#(and (<= proc_a 260) (<= 260 proc_a)), 54648#(and (<= 262 proc_a) (<= proc_a 262)), 54649#(and (<= proc_a 264) (<= 264 proc_a)), 54650#(and (<= 266 proc_a) (<= proc_a 266)), 54651#(and (<= proc_a 268) (<= 268 proc_a)), 54652#(and (<= proc_a 270) (<= 270 proc_a)), 54653#(and (<= proc_a 272) (<= 272 proc_a)), 54654#(and (<= proc_a 274) (<= 274 proc_a)), 54655#(and (<= proc_a 276) (<= 276 proc_a)), 54656#(and (<= proc_a 278) (<= 278 proc_a)), 54657#(and (<= proc_a 280) (<= 280 proc_a)), 54658#(and (<= proc_a 282) (<= 282 proc_a)), 54659#(and (<= proc_a 284) (<= 284 proc_a)), 54660#(and (<= proc_a 286) (<= 286 proc_a)), 54661#(and (<= proc_a 288) (<= 288 proc_a)), 54515#true, 54516#false, 54517#(and (<= proc_a 0) (<= 0 proc_a)), 54518#(and (<= 2 proc_a) (<= proc_a 2)), 54519#(and (<= 4 proc_a) (<= proc_a 4)), 54520#(and (<= 6 proc_a) (<= proc_a 6)), 54521#(and (<= proc_a 8) (<= 8 proc_a)), 54522#(and (<= 10 proc_a) (<= proc_a 10)), 54523#(and (<= proc_a 12) (<= 12 proc_a)), 54524#(and (<= 14 proc_a) (<= proc_a 14)), 54525#(and (<= proc_a 16) (<= 16 proc_a)), 54526#(and (<= 18 proc_a) (<= proc_a 18)), 54527#(and (<= 20 proc_a) (<= proc_a 20))] [2018-07-23 13:52:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:32,618 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:52:32,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:52:32,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=21171, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:52:32,619 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 147 states. [2018-07-23 13:52:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:33,670 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:52:33,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:52:33,671 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 146 [2018-07-23 13:52:33,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:33,671 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:52:33,671 INFO L226 Difference]: Without dead ends: 148 [2018-07-23 13:52:33,672 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=291, Invalid=21171, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:52:33,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-07-23 13:52:33,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-07-23 13:52:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-07-23 13:52:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 148 transitions. [2018-07-23 13:52:33,677 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 148 transitions. Word has length 146 [2018-07-23 13:52:33,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:33,677 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 148 transitions. [2018-07-23 13:52:33,677 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:52:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 148 transitions. [2018-07-23 13:52:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-23 13:52:33,678 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:33,678 INFO L357 BasicCegarLoop]: trace histogram [145, 1, 1] [2018-07-23 13:52:33,678 INFO L414 AbstractCegarLoop]: === Iteration 146 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:33,678 INFO L82 PathProgramCache]: Analyzing trace with hash 855411425, now seen corresponding path program 145 times [2018-07-23 13:52:33,678 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:34,519 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:34,519 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:52:34,519 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:34,520 INFO L185 omatonBuilderFactory]: Interpolants [55296#(and (<= proc_a 76) (<= 76 proc_a)), 55297#(and (<= 78 proc_a) (<= proc_a 78)), 55298#(and (<= proc_a 80) (<= 80 proc_a)), 55299#(and (<= 82 proc_a) (<= proc_a 82)), 55300#(and (<= proc_a 84) (<= 84 proc_a)), 55301#(and (<= 86 proc_a) (<= proc_a 86)), 55302#(and (<= 88 proc_a) (<= proc_a 88)), 55303#(and (<= proc_a 90) (<= 90 proc_a)), 55304#(and (<= 92 proc_a) (<= proc_a 92)), 55305#(and (<= proc_a 94) (<= 94 proc_a)), 55306#(and (<= proc_a 96) (<= 96 proc_a)), 55307#(and (<= 98 proc_a) (<= proc_a 98)), 55308#(and (<= proc_a 100) (<= 100 proc_a)), 55309#(and (<= 102 proc_a) (<= proc_a 102)), 55310#(and (<= proc_a 104) (<= 104 proc_a)), 55311#(and (<= 106 proc_a) (<= proc_a 106)), 55312#(and (<= proc_a 108) (<= 108 proc_a)), 55313#(and (<= proc_a 110) (<= 110 proc_a)), 55314#(and (<= proc_a 112) (<= 112 proc_a)), 55315#(and (<= 114 proc_a) (<= proc_a 114)), 55316#(and (<= 116 proc_a) (<= proc_a 116)), 55317#(and (<= proc_a 118) (<= 118 proc_a)), 55318#(and (<= 120 proc_a) (<= proc_a 120)), 55319#(and (<= proc_a 122) (<= 122 proc_a)), 55320#(and (<= proc_a 124) (<= 124 proc_a)), 55321#(and (<= proc_a 126) (<= 126 proc_a)), 55322#(and (<= 128 proc_a) (<= proc_a 128)), 55323#(and (<= proc_a 130) (<= 130 proc_a)), 55324#(and (<= 132 proc_a) (<= proc_a 132)), 55325#(and (<= proc_a 134) (<= 134 proc_a)), 55326#(and (<= proc_a 136) (<= 136 proc_a)), 55327#(and (<= proc_a 138) (<= 138 proc_a)), 55328#(and (<= proc_a 140) (<= 140 proc_a)), 55329#(and (<= 142 proc_a) (<= proc_a 142)), 55330#(and (<= 144 proc_a) (<= proc_a 144)), 55331#(and (<= proc_a 146) (<= 146 proc_a)), 55332#(and (<= 148 proc_a) (<= proc_a 148)), 55333#(and (<= proc_a 150) (<= 150 proc_a)), 55334#(and (<= proc_a 152) (<= 152 proc_a)), 55335#(and (<= 154 proc_a) (<= proc_a 154)), 55336#(and (<= 156 proc_a) (<= proc_a 156)), 55337#(and (<= proc_a 158) (<= 158 proc_a)), 55338#(and (<= 160 proc_a) (<= proc_a 160)), 55339#(and (<= proc_a 162) (<= 162 proc_a)), 55340#(and (<= 164 proc_a) (<= proc_a 164)), 55341#(and (<= 166 proc_a) (<= proc_a 166)), 55342#(and (<= 168 proc_a) (<= proc_a 168)), 55343#(and (<= 170 proc_a) (<= proc_a 170)), 55344#(and (<= 172 proc_a) (<= proc_a 172)), 55345#(and (<= proc_a 174) (<= 174 proc_a)), 55346#(and (<= 176 proc_a) (<= proc_a 176)), 55347#(and (<= 178 proc_a) (<= proc_a 178)), 55348#(and (<= proc_a 180) (<= 180 proc_a)), 55349#(and (<= proc_a 182) (<= 182 proc_a)), 55350#(and (<= 184 proc_a) (<= proc_a 184)), 55351#(and (<= 186 proc_a) (<= proc_a 186)), 55352#(and (<= 188 proc_a) (<= proc_a 188)), 55353#(and (<= 190 proc_a) (<= proc_a 190)), 55354#(and (<= proc_a 192) (<= 192 proc_a)), 55355#(and (<= 194 proc_a) (<= proc_a 194)), 55356#(and (<= proc_a 196) (<= 196 proc_a)), 55357#(and (<= 198 proc_a) (<= proc_a 198)), 55358#(and (<= proc_a 200) (<= 200 proc_a)), 55359#(and (<= proc_a 202) (<= 202 proc_a)), 55360#(and (<= 204 proc_a) (<= proc_a 204)), 55361#(and (<= 206 proc_a) (<= proc_a 206)), 55362#(and (<= 208 proc_a) (<= proc_a 208)), 55363#(and (<= proc_a 210) (<= 210 proc_a)), 55364#(and (<= proc_a 212) (<= 212 proc_a)), 55365#(and (<= 214 proc_a) (<= proc_a 214)), 55366#(and (<= 216 proc_a) (<= proc_a 216)), 55367#(and (<= proc_a 218) (<= 218 proc_a)), 55368#(and (<= proc_a 220) (<= 220 proc_a)), 55369#(and (<= 222 proc_a) (<= proc_a 222)), 55370#(and (<= 224 proc_a) (<= proc_a 224)), 55371#(and (<= proc_a 226) (<= 226 proc_a)), 55372#(and (<= 228 proc_a) (<= proc_a 228)), 55373#(and (<= proc_a 230) (<= 230 proc_a)), 55374#(and (<= 232 proc_a) (<= proc_a 232)), 55375#(and (<= proc_a 234) (<= 234 proc_a)), 55376#(and (<= proc_a 236) (<= 236 proc_a)), 55377#(and (<= 238 proc_a) (<= proc_a 238)), 55378#(and (<= 240 proc_a) (<= proc_a 240)), 55379#(and (<= proc_a 242) (<= 242 proc_a)), 55380#(and (<= proc_a 244) (<= 244 proc_a)), 55381#(and (<= proc_a 246) (<= 246 proc_a)), 55382#(and (<= 248 proc_a) (<= proc_a 248)), 55383#(and (<= proc_a 250) (<= 250 proc_a)), 55384#(and (<= 252 proc_a) (<= proc_a 252)), 55385#(and (<= 254 proc_a) (<= proc_a 254)), 55386#(and (<= proc_a 256) (<= 256 proc_a)), 55387#(and (<= 258 proc_a) (<= proc_a 258)), 55388#(and (<= proc_a 260) (<= 260 proc_a)), 55389#(and (<= 262 proc_a) (<= proc_a 262)), 55390#(and (<= proc_a 264) (<= 264 proc_a)), 55391#(and (<= 266 proc_a) (<= proc_a 266)), 55392#(and (<= proc_a 268) (<= 268 proc_a)), 55393#(and (<= proc_a 270) (<= 270 proc_a)), 55394#(and (<= proc_a 272) (<= 272 proc_a)), 55395#(and (<= proc_a 274) (<= 274 proc_a)), 55396#(and (<= proc_a 276) (<= 276 proc_a)), 55397#(and (<= proc_a 278) (<= 278 proc_a)), 55398#(and (<= proc_a 280) (<= 280 proc_a)), 55399#(and (<= proc_a 282) (<= 282 proc_a)), 55400#(and (<= proc_a 284) (<= 284 proc_a)), 55401#(and (<= proc_a 286) (<= 286 proc_a)), 55402#(and (<= proc_a 288) (<= 288 proc_a)), 55403#(and (<= proc_a 290) (<= 290 proc_a)), 55256#true, 55257#false, 55258#(and (<= proc_a 0) (<= 0 proc_a)), 55259#(and (<= 2 proc_a) (<= proc_a 2)), 55260#(and (<= 4 proc_a) (<= proc_a 4)), 55261#(and (<= 6 proc_a) (<= proc_a 6)), 55262#(and (<= proc_a 8) (<= 8 proc_a)), 55263#(and (<= 10 proc_a) (<= proc_a 10)), 55264#(and (<= proc_a 12) (<= 12 proc_a)), 55265#(and (<= 14 proc_a) (<= proc_a 14)), 55266#(and (<= proc_a 16) (<= 16 proc_a)), 55267#(and (<= 18 proc_a) (<= proc_a 18)), 55268#(and (<= 20 proc_a) (<= proc_a 20)), 55269#(and (<= 22 proc_a) (<= proc_a 22)), 55270#(and (<= 24 proc_a) (<= proc_a 24)), 55271#(and (<= 26 proc_a) (<= proc_a 26)), 55272#(and (<= proc_a 28) (<= 28 proc_a)), 55273#(and (<= proc_a 30) (<= 30 proc_a)), 55274#(and (<= 32 proc_a) (<= proc_a 32)), 55275#(and (<= 34 proc_a) (<= proc_a 34)), 55276#(and (<= 36 proc_a) (<= proc_a 36)), 55277#(and (<= 38 proc_a) (<= proc_a 38)), 55278#(and (<= 40 proc_a) (<= proc_a 40)), 55279#(and (<= proc_a 42) (<= 42 proc_a)), 55280#(and (<= proc_a 44) (<= 44 proc_a)), 55281#(and (<= proc_a 46) (<= 46 proc_a)), 55282#(and (<= 48 proc_a) (<= proc_a 48)), 55283#(and (<= 50 proc_a) (<= proc_a 50)), 55284#(and (<= 52 proc_a) (<= proc_a 52)), 55285#(and (<= 54 proc_a) (<= proc_a 54)), 55286#(and (<= proc_a 56) (<= 56 proc_a)), 55287#(and (<= proc_a 58) (<= 58 proc_a)), 55288#(and (<= 60 proc_a) (<= proc_a 60)), 55289#(and (<= 62 proc_a) (<= proc_a 62)), 55290#(and (<= 64 proc_a) (<= proc_a 64)), 55291#(and (<= 66 proc_a) (<= proc_a 66)), 55292#(and (<= 68 proc_a) (<= proc_a 68)), 55293#(and (<= proc_a 70) (<= 70 proc_a)), 55294#(and (<= 72 proc_a) (<= proc_a 72)), 55295#(and (<= proc_a 74) (<= 74 proc_a))] [2018-07-23 13:52:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:34,520 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:52:34,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:52:34,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=21463, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:52:34,522 INFO L87 Difference]: Start difference. First operand 148 states and 148 transitions. Second operand 148 states. [2018-07-23 13:52:35,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:35,597 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2018-07-23 13:52:35,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:52:35,597 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 147 [2018-07-23 13:52:35,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:35,598 INFO L225 Difference]: With dead ends: 150 [2018-07-23 13:52:35,598 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:52:35,599 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=293, Invalid=21463, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:52:35,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:52:35,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:52:35,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:52:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:52:35,603 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 147 [2018-07-23 13:52:35,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:35,603 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:52:35,603 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:52:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:52:35,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:52:35,603 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:35,603 INFO L357 BasicCegarLoop]: trace histogram [146, 1, 1] [2018-07-23 13:52:35,604 INFO L414 AbstractCegarLoop]: === Iteration 147 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:35,604 INFO L82 PathProgramCache]: Analyzing trace with hash 747950343, now seen corresponding path program 146 times [2018-07-23 13:52:35,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:36,440 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:36,441 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:52:36,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:36,441 INFO L185 omatonBuilderFactory]: Interpolants [56064#(and (<= 120 proc_a) (<= proc_a 120)), 56065#(and (<= proc_a 122) (<= 122 proc_a)), 56066#(and (<= proc_a 124) (<= 124 proc_a)), 56067#(and (<= proc_a 126) (<= 126 proc_a)), 56068#(and (<= 128 proc_a) (<= proc_a 128)), 56069#(and (<= proc_a 130) (<= 130 proc_a)), 56070#(and (<= 132 proc_a) (<= proc_a 132)), 56071#(and (<= proc_a 134) (<= 134 proc_a)), 56072#(and (<= proc_a 136) (<= 136 proc_a)), 56073#(and (<= proc_a 138) (<= 138 proc_a)), 56074#(and (<= proc_a 140) (<= 140 proc_a)), 56075#(and (<= 142 proc_a) (<= proc_a 142)), 56076#(and (<= 144 proc_a) (<= proc_a 144)), 56077#(and (<= proc_a 146) (<= 146 proc_a)), 56078#(and (<= 148 proc_a) (<= proc_a 148)), 56079#(and (<= proc_a 150) (<= 150 proc_a)), 56080#(and (<= proc_a 152) (<= 152 proc_a)), 56081#(and (<= 154 proc_a) (<= proc_a 154)), 56082#(and (<= 156 proc_a) (<= proc_a 156)), 56083#(and (<= proc_a 158) (<= 158 proc_a)), 56084#(and (<= 160 proc_a) (<= proc_a 160)), 56085#(and (<= proc_a 162) (<= 162 proc_a)), 56086#(and (<= 164 proc_a) (<= proc_a 164)), 56087#(and (<= 166 proc_a) (<= proc_a 166)), 56088#(and (<= 168 proc_a) (<= proc_a 168)), 56089#(and (<= 170 proc_a) (<= proc_a 170)), 56090#(and (<= 172 proc_a) (<= proc_a 172)), 56091#(and (<= proc_a 174) (<= 174 proc_a)), 56092#(and (<= 176 proc_a) (<= proc_a 176)), 56093#(and (<= 178 proc_a) (<= proc_a 178)), 56094#(and (<= proc_a 180) (<= 180 proc_a)), 56095#(and (<= proc_a 182) (<= 182 proc_a)), 56096#(and (<= 184 proc_a) (<= proc_a 184)), 56097#(and (<= 186 proc_a) (<= proc_a 186)), 56098#(and (<= 188 proc_a) (<= proc_a 188)), 56099#(and (<= 190 proc_a) (<= proc_a 190)), 56100#(and (<= proc_a 192) (<= 192 proc_a)), 56101#(and (<= 194 proc_a) (<= proc_a 194)), 56102#(and (<= proc_a 196) (<= 196 proc_a)), 56103#(and (<= 198 proc_a) (<= proc_a 198)), 56104#(and (<= proc_a 200) (<= 200 proc_a)), 56105#(and (<= proc_a 202) (<= 202 proc_a)), 56106#(and (<= 204 proc_a) (<= proc_a 204)), 56107#(and (<= 206 proc_a) (<= proc_a 206)), 56108#(and (<= 208 proc_a) (<= proc_a 208)), 56109#(and (<= proc_a 210) (<= 210 proc_a)), 56110#(and (<= proc_a 212) (<= 212 proc_a)), 56111#(and (<= 214 proc_a) (<= proc_a 214)), 56112#(and (<= 216 proc_a) (<= proc_a 216)), 56113#(and (<= proc_a 218) (<= 218 proc_a)), 56114#(and (<= proc_a 220) (<= 220 proc_a)), 56115#(and (<= 222 proc_a) (<= proc_a 222)), 56116#(and (<= 224 proc_a) (<= proc_a 224)), 56117#(and (<= proc_a 226) (<= 226 proc_a)), 56118#(and (<= 228 proc_a) (<= proc_a 228)), 56119#(and (<= proc_a 230) (<= 230 proc_a)), 56120#(and (<= 232 proc_a) (<= proc_a 232)), 56121#(and (<= proc_a 234) (<= 234 proc_a)), 56122#(and (<= proc_a 236) (<= 236 proc_a)), 56123#(and (<= 238 proc_a) (<= proc_a 238)), 56124#(and (<= 240 proc_a) (<= proc_a 240)), 56125#(and (<= proc_a 242) (<= 242 proc_a)), 56126#(and (<= proc_a 244) (<= 244 proc_a)), 56127#(and (<= proc_a 246) (<= 246 proc_a)), 56128#(and (<= 248 proc_a) (<= proc_a 248)), 56129#(and (<= proc_a 250) (<= 250 proc_a)), 56130#(and (<= 252 proc_a) (<= proc_a 252)), 56131#(and (<= 254 proc_a) (<= proc_a 254)), 56132#(and (<= proc_a 256) (<= 256 proc_a)), 56133#(and (<= 258 proc_a) (<= proc_a 258)), 56134#(and (<= proc_a 260) (<= 260 proc_a)), 56135#(and (<= 262 proc_a) (<= proc_a 262)), 56136#(and (<= proc_a 264) (<= 264 proc_a)), 56137#(and (<= 266 proc_a) (<= proc_a 266)), 56138#(and (<= proc_a 268) (<= 268 proc_a)), 56139#(and (<= proc_a 270) (<= 270 proc_a)), 56140#(and (<= proc_a 272) (<= 272 proc_a)), 56141#(and (<= proc_a 274) (<= 274 proc_a)), 56142#(and (<= proc_a 276) (<= 276 proc_a)), 56143#(and (<= proc_a 278) (<= 278 proc_a)), 56144#(and (<= proc_a 280) (<= 280 proc_a)), 56145#(and (<= proc_a 282) (<= 282 proc_a)), 56146#(and (<= proc_a 284) (<= 284 proc_a)), 56147#(and (<= proc_a 286) (<= 286 proc_a)), 56148#(and (<= proc_a 288) (<= 288 proc_a)), 56149#(and (<= proc_a 290) (<= 290 proc_a)), 56150#(and (<= proc_a 292) (<= 292 proc_a)), 56002#true, 56003#false, 56004#(and (<= proc_a 0) (<= 0 proc_a)), 56005#(and (<= 2 proc_a) (<= proc_a 2)), 56006#(and (<= 4 proc_a) (<= proc_a 4)), 56007#(and (<= 6 proc_a) (<= proc_a 6)), 56008#(and (<= proc_a 8) (<= 8 proc_a)), 56009#(and (<= 10 proc_a) (<= proc_a 10)), 56010#(and (<= proc_a 12) (<= 12 proc_a)), 56011#(and (<= 14 proc_a) (<= proc_a 14)), 56012#(and (<= proc_a 16) (<= 16 proc_a)), 56013#(and (<= 18 proc_a) (<= proc_a 18)), 56014#(and (<= 20 proc_a) (<= proc_a 20)), 56015#(and (<= 22 proc_a) (<= proc_a 22)), 56016#(and (<= 24 proc_a) (<= proc_a 24)), 56017#(and (<= 26 proc_a) (<= proc_a 26)), 56018#(and (<= proc_a 28) (<= 28 proc_a)), 56019#(and (<= proc_a 30) (<= 30 proc_a)), 56020#(and (<= 32 proc_a) (<= proc_a 32)), 56021#(and (<= 34 proc_a) (<= proc_a 34)), 56022#(and (<= 36 proc_a) (<= proc_a 36)), 56023#(and (<= 38 proc_a) (<= proc_a 38)), 56024#(and (<= 40 proc_a) (<= proc_a 40)), 56025#(and (<= proc_a 42) (<= 42 proc_a)), 56026#(and (<= proc_a 44) (<= 44 proc_a)), 56027#(and (<= proc_a 46) (<= 46 proc_a)), 56028#(and (<= 48 proc_a) (<= proc_a 48)), 56029#(and (<= 50 proc_a) (<= proc_a 50)), 56030#(and (<= 52 proc_a) (<= proc_a 52)), 56031#(and (<= 54 proc_a) (<= proc_a 54)), 56032#(and (<= proc_a 56) (<= 56 proc_a)), 56033#(and (<= proc_a 58) (<= 58 proc_a)), 56034#(and (<= 60 proc_a) (<= proc_a 60)), 56035#(and (<= 62 proc_a) (<= proc_a 62)), 56036#(and (<= 64 proc_a) (<= proc_a 64)), 56037#(and (<= 66 proc_a) (<= proc_a 66)), 56038#(and (<= 68 proc_a) (<= proc_a 68)), 56039#(and (<= proc_a 70) (<= 70 proc_a)), 56040#(and (<= 72 proc_a) (<= proc_a 72)), 56041#(and (<= proc_a 74) (<= 74 proc_a)), 56042#(and (<= proc_a 76) (<= 76 proc_a)), 56043#(and (<= 78 proc_a) (<= proc_a 78)), 56044#(and (<= proc_a 80) (<= 80 proc_a)), 56045#(and (<= 82 proc_a) (<= proc_a 82)), 56046#(and (<= proc_a 84) (<= 84 proc_a)), 56047#(and (<= 86 proc_a) (<= proc_a 86)), 56048#(and (<= 88 proc_a) (<= proc_a 88)), 56049#(and (<= proc_a 90) (<= 90 proc_a)), 56050#(and (<= 92 proc_a) (<= proc_a 92)), 56051#(and (<= proc_a 94) (<= 94 proc_a)), 56052#(and (<= proc_a 96) (<= 96 proc_a)), 56053#(and (<= 98 proc_a) (<= proc_a 98)), 56054#(and (<= proc_a 100) (<= 100 proc_a)), 56055#(and (<= 102 proc_a) (<= proc_a 102)), 56056#(and (<= proc_a 104) (<= 104 proc_a)), 56057#(and (<= 106 proc_a) (<= proc_a 106)), 56058#(and (<= proc_a 108) (<= 108 proc_a)), 56059#(and (<= proc_a 110) (<= 110 proc_a)), 56060#(and (<= proc_a 112) (<= 112 proc_a)), 56061#(and (<= 114 proc_a) (<= proc_a 114)), 56062#(and (<= 116 proc_a) (<= proc_a 116)), 56063#(and (<= proc_a 118) (<= 118 proc_a))] [2018-07-23 13:52:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:36,442 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:52:36,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:52:36,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=21757, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:52:36,443 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 149 states. [2018-07-23 13:52:37,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:37,531 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:52:37,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:52:37,531 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 148 [2018-07-23 13:52:37,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:37,531 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:52:37,531 INFO L226 Difference]: Without dead ends: 150 [2018-07-23 13:52:37,532 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=295, Invalid=21757, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:52:37,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-07-23 13:52:37,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-07-23 13:52:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-07-23 13:52:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 150 transitions. [2018-07-23 13:52:37,538 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 150 transitions. Word has length 148 [2018-07-23 13:52:37,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:37,538 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 150 transitions. [2018-07-23 13:52:37,539 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:52:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 150 transitions. [2018-07-23 13:52:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-23 13:52:37,539 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:37,539 INFO L357 BasicCegarLoop]: trace histogram [147, 1, 1] [2018-07-23 13:52:37,539 INFO L414 AbstractCegarLoop]: === Iteration 148 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:37,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1711624097, now seen corresponding path program 147 times [2018-07-23 13:52:37,540 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:38,450 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:38,450 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:38,451 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:52:38,451 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:38,451 INFO L185 omatonBuilderFactory]: Interpolants [56832#(and (<= 154 proc_a) (<= proc_a 154)), 56833#(and (<= 156 proc_a) (<= proc_a 156)), 56834#(and (<= proc_a 158) (<= 158 proc_a)), 56835#(and (<= 160 proc_a) (<= proc_a 160)), 56836#(and (<= proc_a 162) (<= 162 proc_a)), 56837#(and (<= 164 proc_a) (<= proc_a 164)), 56838#(and (<= 166 proc_a) (<= proc_a 166)), 56839#(and (<= 168 proc_a) (<= proc_a 168)), 56840#(and (<= 170 proc_a) (<= proc_a 170)), 56841#(and (<= 172 proc_a) (<= proc_a 172)), 56842#(and (<= proc_a 174) (<= 174 proc_a)), 56843#(and (<= 176 proc_a) (<= proc_a 176)), 56844#(and (<= 178 proc_a) (<= proc_a 178)), 56845#(and (<= proc_a 180) (<= 180 proc_a)), 56846#(and (<= proc_a 182) (<= 182 proc_a)), 56847#(and (<= 184 proc_a) (<= proc_a 184)), 56848#(and (<= 186 proc_a) (<= proc_a 186)), 56849#(and (<= 188 proc_a) (<= proc_a 188)), 56850#(and (<= 190 proc_a) (<= proc_a 190)), 56851#(and (<= proc_a 192) (<= 192 proc_a)), 56852#(and (<= 194 proc_a) (<= proc_a 194)), 56853#(and (<= proc_a 196) (<= 196 proc_a)), 56854#(and (<= 198 proc_a) (<= proc_a 198)), 56855#(and (<= proc_a 200) (<= 200 proc_a)), 56856#(and (<= proc_a 202) (<= 202 proc_a)), 56857#(and (<= 204 proc_a) (<= proc_a 204)), 56858#(and (<= 206 proc_a) (<= proc_a 206)), 56859#(and (<= 208 proc_a) (<= proc_a 208)), 56860#(and (<= proc_a 210) (<= 210 proc_a)), 56861#(and (<= proc_a 212) (<= 212 proc_a)), 56862#(and (<= 214 proc_a) (<= proc_a 214)), 56863#(and (<= 216 proc_a) (<= proc_a 216)), 56864#(and (<= proc_a 218) (<= 218 proc_a)), 56865#(and (<= proc_a 220) (<= 220 proc_a)), 56866#(and (<= 222 proc_a) (<= proc_a 222)), 56867#(and (<= 224 proc_a) (<= proc_a 224)), 56868#(and (<= proc_a 226) (<= 226 proc_a)), 56869#(and (<= 228 proc_a) (<= proc_a 228)), 56870#(and (<= proc_a 230) (<= 230 proc_a)), 56871#(and (<= 232 proc_a) (<= proc_a 232)), 56872#(and (<= proc_a 234) (<= 234 proc_a)), 56873#(and (<= proc_a 236) (<= 236 proc_a)), 56874#(and (<= 238 proc_a) (<= proc_a 238)), 56875#(and (<= 240 proc_a) (<= proc_a 240)), 56876#(and (<= proc_a 242) (<= 242 proc_a)), 56877#(and (<= proc_a 244) (<= 244 proc_a)), 56878#(and (<= proc_a 246) (<= 246 proc_a)), 56879#(and (<= 248 proc_a) (<= proc_a 248)), 56880#(and (<= proc_a 250) (<= 250 proc_a)), 56881#(and (<= 252 proc_a) (<= proc_a 252)), 56882#(and (<= 254 proc_a) (<= proc_a 254)), 56883#(and (<= proc_a 256) (<= 256 proc_a)), 56884#(and (<= 258 proc_a) (<= proc_a 258)), 56885#(and (<= proc_a 260) (<= 260 proc_a)), 56886#(and (<= 262 proc_a) (<= proc_a 262)), 56887#(and (<= proc_a 264) (<= 264 proc_a)), 56888#(and (<= 266 proc_a) (<= proc_a 266)), 56889#(and (<= proc_a 268) (<= 268 proc_a)), 56890#(and (<= proc_a 270) (<= 270 proc_a)), 56891#(and (<= proc_a 272) (<= 272 proc_a)), 56892#(and (<= proc_a 274) (<= 274 proc_a)), 56893#(and (<= proc_a 276) (<= 276 proc_a)), 56894#(and (<= proc_a 278) (<= 278 proc_a)), 56895#(and (<= proc_a 280) (<= 280 proc_a)), 56896#(and (<= proc_a 282) (<= 282 proc_a)), 56897#(and (<= proc_a 284) (<= 284 proc_a)), 56898#(and (<= proc_a 286) (<= 286 proc_a)), 56899#(and (<= proc_a 288) (<= 288 proc_a)), 56900#(and (<= proc_a 290) (<= 290 proc_a)), 56901#(and (<= proc_a 292) (<= 292 proc_a)), 56902#(and (<= 294 proc_a) (<= proc_a 294)), 56753#true, 56754#false, 56755#(and (<= proc_a 0) (<= 0 proc_a)), 56756#(and (<= 2 proc_a) (<= proc_a 2)), 56757#(and (<= 4 proc_a) (<= proc_a 4)), 56758#(and (<= 6 proc_a) (<= proc_a 6)), 56759#(and (<= proc_a 8) (<= 8 proc_a)), 56760#(and (<= 10 proc_a) (<= proc_a 10)), 56761#(and (<= proc_a 12) (<= 12 proc_a)), 56762#(and (<= 14 proc_a) (<= proc_a 14)), 56763#(and (<= proc_a 16) (<= 16 proc_a)), 56764#(and (<= 18 proc_a) (<= proc_a 18)), 56765#(and (<= 20 proc_a) (<= proc_a 20)), 56766#(and (<= 22 proc_a) (<= proc_a 22)), 56767#(and (<= 24 proc_a) (<= proc_a 24)), 56768#(and (<= 26 proc_a) (<= proc_a 26)), 56769#(and (<= proc_a 28) (<= 28 proc_a)), 56770#(and (<= proc_a 30) (<= 30 proc_a)), 56771#(and (<= 32 proc_a) (<= proc_a 32)), 56772#(and (<= 34 proc_a) (<= proc_a 34)), 56773#(and (<= 36 proc_a) (<= proc_a 36)), 56774#(and (<= 38 proc_a) (<= proc_a 38)), 56775#(and (<= 40 proc_a) (<= proc_a 40)), 56776#(and (<= proc_a 42) (<= 42 proc_a)), 56777#(and (<= proc_a 44) (<= 44 proc_a)), 56778#(and (<= proc_a 46) (<= 46 proc_a)), 56779#(and (<= 48 proc_a) (<= proc_a 48)), 56780#(and (<= 50 proc_a) (<= proc_a 50)), 56781#(and (<= 52 proc_a) (<= proc_a 52)), 56782#(and (<= 54 proc_a) (<= proc_a 54)), 56783#(and (<= proc_a 56) (<= 56 proc_a)), 56784#(and (<= proc_a 58) (<= 58 proc_a)), 56785#(and (<= 60 proc_a) (<= proc_a 60)), 56786#(and (<= 62 proc_a) (<= proc_a 62)), 56787#(and (<= 64 proc_a) (<= proc_a 64)), 56788#(and (<= 66 proc_a) (<= proc_a 66)), 56789#(and (<= 68 proc_a) (<= proc_a 68)), 56790#(and (<= proc_a 70) (<= 70 proc_a)), 56791#(and (<= 72 proc_a) (<= proc_a 72)), 56792#(and (<= proc_a 74) (<= 74 proc_a)), 56793#(and (<= proc_a 76) (<= 76 proc_a)), 56794#(and (<= 78 proc_a) (<= proc_a 78)), 56795#(and (<= proc_a 80) (<= 80 proc_a)), 56796#(and (<= 82 proc_a) (<= proc_a 82)), 56797#(and (<= proc_a 84) (<= 84 proc_a)), 56798#(and (<= 86 proc_a) (<= proc_a 86)), 56799#(and (<= 88 proc_a) (<= proc_a 88)), 56800#(and (<= proc_a 90) (<= 90 proc_a)), 56801#(and (<= 92 proc_a) (<= proc_a 92)), 56802#(and (<= proc_a 94) (<= 94 proc_a)), 56803#(and (<= proc_a 96) (<= 96 proc_a)), 56804#(and (<= 98 proc_a) (<= proc_a 98)), 56805#(and (<= proc_a 100) (<= 100 proc_a)), 56806#(and (<= 102 proc_a) (<= proc_a 102)), 56807#(and (<= proc_a 104) (<= 104 proc_a)), 56808#(and (<= 106 proc_a) (<= proc_a 106)), 56809#(and (<= proc_a 108) (<= 108 proc_a)), 56810#(and (<= proc_a 110) (<= 110 proc_a)), 56811#(and (<= proc_a 112) (<= 112 proc_a)), 56812#(and (<= 114 proc_a) (<= proc_a 114)), 56813#(and (<= 116 proc_a) (<= proc_a 116)), 56814#(and (<= proc_a 118) (<= 118 proc_a)), 56815#(and (<= 120 proc_a) (<= proc_a 120)), 56816#(and (<= proc_a 122) (<= 122 proc_a)), 56817#(and (<= proc_a 124) (<= 124 proc_a)), 56818#(and (<= proc_a 126) (<= 126 proc_a)), 56819#(and (<= 128 proc_a) (<= proc_a 128)), 56820#(and (<= proc_a 130) (<= 130 proc_a)), 56821#(and (<= 132 proc_a) (<= proc_a 132)), 56822#(and (<= proc_a 134) (<= 134 proc_a)), 56823#(and (<= proc_a 136) (<= 136 proc_a)), 56824#(and (<= proc_a 138) (<= 138 proc_a)), 56825#(and (<= proc_a 140) (<= 140 proc_a)), 56826#(and (<= 142 proc_a) (<= proc_a 142)), 56827#(and (<= 144 proc_a) (<= proc_a 144)), 56828#(and (<= proc_a 146) (<= 146 proc_a)), 56829#(and (<= 148 proc_a) (<= proc_a 148)), 56830#(and (<= proc_a 150) (<= 150 proc_a)), 56831#(and (<= proc_a 152) (<= 152 proc_a))] [2018-07-23 13:52:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:38,452 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:52:38,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:52:38,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=22053, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:52:38,453 INFO L87 Difference]: Start difference. First operand 150 states and 150 transitions. Second operand 150 states. [2018-07-23 13:52:39,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:39,514 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-07-23 13:52:39,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:52:39,514 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 149 [2018-07-23 13:52:39,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:39,514 INFO L225 Difference]: With dead ends: 152 [2018-07-23 13:52:39,514 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:52:39,515 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=22053, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:52:39,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:52:39,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:52:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:52:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:52:39,521 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 149 [2018-07-23 13:52:39,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:39,521 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:52:39,521 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:52:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:52:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:52:39,522 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:39,522 INFO L357 BasicCegarLoop]: trace histogram [148, 1, 1] [2018-07-23 13:52:39,522 INFO L414 AbstractCegarLoop]: === Iteration 149 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:39,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1520739399, now seen corresponding path program 148 times [2018-07-23 13:52:39,522 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:40,390 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:40,390 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:40,391 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:52:40,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:40,391 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 13:52:40,391 INFO L185 omatonBuilderFactory]: Interpolants [57600#(and (<= 178 proc_a) (<= proc_a 178)), 57601#(and (<= proc_a 180) (<= 180 proc_a)), 57602#(and (<= proc_a 182) (<= 182 proc_a)), 57603#(and (<= 184 proc_a) (<= proc_a 184)), 57604#(and (<= 186 proc_a) (<= proc_a 186)), 57605#(and (<= 188 proc_a) (<= proc_a 188)), 57606#(and (<= 190 proc_a) (<= proc_a 190)), 57607#(and (<= proc_a 192) (<= 192 proc_a)), 57608#(and (<= 194 proc_a) (<= proc_a 194)), 57609#(and (<= proc_a 196) (<= 196 proc_a)), 57610#(and (<= 198 proc_a) (<= proc_a 198)), 57611#(and (<= proc_a 200) (<= 200 proc_a)), 57612#(and (<= proc_a 202) (<= 202 proc_a)), 57613#(and (<= 204 proc_a) (<= proc_a 204)), 57614#(and (<= 206 proc_a) (<= proc_a 206)), 57615#(and (<= 208 proc_a) (<= proc_a 208)), 57616#(and (<= proc_a 210) (<= 210 proc_a)), 57617#(and (<= proc_a 212) (<= 212 proc_a)), 57618#(and (<= 214 proc_a) (<= proc_a 214)), 57619#(and (<= 216 proc_a) (<= proc_a 216)), 57620#(and (<= proc_a 218) (<= 218 proc_a)), 57621#(and (<= proc_a 220) (<= 220 proc_a)), 57622#(and (<= 222 proc_a) (<= proc_a 222)), 57623#(and (<= 224 proc_a) (<= proc_a 224)), 57624#(and (<= proc_a 226) (<= 226 proc_a)), 57625#(and (<= 228 proc_a) (<= proc_a 228)), 57626#(and (<= proc_a 230) (<= 230 proc_a)), 57627#(and (<= 232 proc_a) (<= proc_a 232)), 57628#(and (<= proc_a 234) (<= 234 proc_a)), 57629#(and (<= proc_a 236) (<= 236 proc_a)), 57630#(and (<= 238 proc_a) (<= proc_a 238)), 57631#(and (<= 240 proc_a) (<= proc_a 240)), 57632#(and (<= proc_a 242) (<= 242 proc_a)), 57633#(and (<= proc_a 244) (<= 244 proc_a)), 57634#(and (<= proc_a 246) (<= 246 proc_a)), 57635#(and (<= 248 proc_a) (<= proc_a 248)), 57636#(and (<= proc_a 250) (<= 250 proc_a)), 57637#(and (<= 252 proc_a) (<= proc_a 252)), 57638#(and (<= 254 proc_a) (<= proc_a 254)), 57639#(and (<= proc_a 256) (<= 256 proc_a)), 57640#(and (<= 258 proc_a) (<= proc_a 258)), 57641#(and (<= proc_a 260) (<= 260 proc_a)), 57642#(and (<= 262 proc_a) (<= proc_a 262)), 57643#(and (<= proc_a 264) (<= 264 proc_a)), 57644#(and (<= 266 proc_a) (<= proc_a 266)), 57645#(and (<= proc_a 268) (<= 268 proc_a)), 57646#(and (<= proc_a 270) (<= 270 proc_a)), 57647#(and (<= proc_a 272) (<= 272 proc_a)), 57648#(and (<= proc_a 274) (<= 274 proc_a)), 57649#(and (<= proc_a 276) (<= 276 proc_a)), 57650#(and (<= proc_a 278) (<= 278 proc_a)), 57651#(and (<= proc_a 280) (<= 280 proc_a)), 57652#(and (<= proc_a 282) (<= 282 proc_a)), 57653#(and (<= proc_a 284) (<= 284 proc_a)), 57654#(and (<= proc_a 286) (<= 286 proc_a)), 57655#(and (<= proc_a 288) (<= 288 proc_a)), 57656#(and (<= proc_a 290) (<= 290 proc_a)), 57657#(and (<= proc_a 292) (<= 292 proc_a)), 57658#(and (<= 294 proc_a) (<= proc_a 294)), 57659#(and (<= 296 proc_a) (<= proc_a 296)), 57509#true, 57510#false, 57511#(and (<= proc_a 0) (<= 0 proc_a)), 57512#(and (<= 2 proc_a) (<= proc_a 2)), 57513#(and (<= 4 proc_a) (<= proc_a 4)), 57514#(and (<= 6 proc_a) (<= proc_a 6)), 57515#(and (<= proc_a 8) (<= 8 proc_a)), 57516#(and (<= 10 proc_a) (<= proc_a 10)), 57517#(and (<= proc_a 12) (<= 12 proc_a)), 57518#(and (<= 14 proc_a) (<= proc_a 14)), 57519#(and (<= proc_a 16) (<= 16 proc_a)), 57520#(and (<= 18 proc_a) (<= proc_a 18)), 57521#(and (<= 20 proc_a) (<= proc_a 20)), 57522#(and (<= 22 proc_a) (<= proc_a 22)), 57523#(and (<= 24 proc_a) (<= proc_a 24)), 57524#(and (<= 26 proc_a) (<= proc_a 26)), 57525#(and (<= proc_a 28) (<= 28 proc_a)), 57526#(and (<= proc_a 30) (<= 30 proc_a)), 57527#(and (<= 32 proc_a) (<= proc_a 32)), 57528#(and (<= 34 proc_a) (<= proc_a 34)), 57529#(and (<= 36 proc_a) (<= proc_a 36)), 57530#(and (<= 38 proc_a) (<= proc_a 38)), 57531#(and (<= 40 proc_a) (<= proc_a 40)), 57532#(and (<= proc_a 42) (<= 42 proc_a)), 57533#(and (<= proc_a 44) (<= 44 proc_a)), 57534#(and (<= proc_a 46) (<= 46 proc_a)), 57535#(and (<= 48 proc_a) (<= proc_a 48)), 57536#(and (<= 50 proc_a) (<= proc_a 50)), 57537#(and (<= 52 proc_a) (<= proc_a 52)), 57538#(and (<= 54 proc_a) (<= proc_a 54)), 57539#(and (<= proc_a 56) (<= 56 proc_a)), 57540#(and (<= proc_a 58) (<= 58 proc_a)), 57541#(and (<= 60 proc_a) (<= proc_a 60)), 57542#(and (<= 62 proc_a) (<= proc_a 62)), 57543#(and (<= 64 proc_a) (<= proc_a 64)), 57544#(and (<= 66 proc_a) (<= proc_a 66)), 57545#(and (<= 68 proc_a) (<= proc_a 68)), 57546#(and (<= proc_a 70) (<= 70 proc_a)), 57547#(and (<= 72 proc_a) (<= proc_a 72)), 57548#(and (<= proc_a 74) (<= 74 proc_a)), 57549#(and (<= proc_a 76) (<= 76 proc_a)), 57550#(and (<= 78 proc_a) (<= proc_a 78)), 57551#(and (<= proc_a 80) (<= 80 proc_a)), 57552#(and (<= 82 proc_a) (<= proc_a 82)), 57553#(and (<= proc_a 84) (<= 84 proc_a)), 57554#(and (<= 86 proc_a) (<= proc_a 86)), 57555#(and (<= 88 proc_a) (<= proc_a 88)), 57556#(and (<= proc_a 90) (<= 90 proc_a)), 57557#(and (<= 92 proc_a) (<= proc_a 92)), 57558#(and (<= proc_a 94) (<= 94 proc_a)), 57559#(and (<= proc_a 96) (<= 96 proc_a)), 57560#(and (<= 98 proc_a) (<= proc_a 98)), 57561#(and (<= proc_a 100) (<= 100 proc_a)), 57562#(and (<= 102 proc_a) (<= proc_a 102)), 57563#(and (<= proc_a 104) (<= 104 proc_a)), 57564#(and (<= 106 proc_a) (<= proc_a 106)), 57565#(and (<= proc_a 108) (<= 108 proc_a)), 57566#(and (<= proc_a 110) (<= 110 proc_a)), 57567#(and (<= proc_a 112) (<= 112 proc_a)), 57568#(and (<= 114 proc_a) (<= proc_a 114)), 57569#(and (<= 116 proc_a) (<= proc_a 116)), 57570#(and (<= proc_a 118) (<= 118 proc_a)), 57571#(and (<= 120 proc_a) (<= proc_a 120)), 57572#(and (<= proc_a 122) (<= 122 proc_a)), 57573#(and (<= proc_a 124) (<= 124 proc_a)), 57574#(and (<= proc_a 126) (<= 126 proc_a)), 57575#(and (<= 128 proc_a) (<= proc_a 128)), 57576#(and (<= proc_a 130) (<= 130 proc_a)), 57577#(and (<= 132 proc_a) (<= proc_a 132)), 57578#(and (<= proc_a 134) (<= 134 proc_a)), 57579#(and (<= proc_a 136) (<= 136 proc_a)), 57580#(and (<= proc_a 138) (<= 138 proc_a)), 57581#(and (<= proc_a 140) (<= 140 proc_a)), 57582#(and (<= 142 proc_a) (<= proc_a 142)), 57583#(and (<= 144 proc_a) (<= proc_a 144)), 57584#(and (<= proc_a 146) (<= 146 proc_a)), 57585#(and (<= 148 proc_a) (<= proc_a 148)), 57586#(and (<= proc_a 150) (<= 150 proc_a)), 57587#(and (<= proc_a 152) (<= 152 proc_a)), 57588#(and (<= 154 proc_a) (<= proc_a 154)), 57589#(and (<= 156 proc_a) (<= proc_a 156)), 57590#(and (<= proc_a 158) (<= 158 proc_a)), 57591#(and (<= 160 proc_a) (<= proc_a 160)), 57592#(and (<= proc_a 162) (<= 162 proc_a)), 57593#(and (<= 164 proc_a) (<= proc_a 164)), 57594#(and (<= 166 proc_a) (<= proc_a 166)), 57595#(and (<= 168 proc_a) (<= proc_a 168)), 57596#(and (<= 170 proc_a) (<= proc_a 170)), 57597#(and (<= 172 proc_a) (<= proc_a 172)), 57598#(and (<= proc_a 174) (<= 174 proc_a)), 57599#(and (<= 176 proc_a) (<= proc_a 176))] [2018-07-23 13:52:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:40,392 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:52:40,392 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:52:40,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=22351, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:52:40,393 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 151 states. [2018-07-23 13:52:41,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:41,510 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:52:41,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:52:41,511 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 150 [2018-07-23 13:52:41,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:41,511 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:52:41,511 INFO L226 Difference]: Without dead ends: 152 [2018-07-23 13:52:41,512 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=299, Invalid=22351, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:52:41,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-07-23 13:52:41,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-07-23 13:52:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-07-23 13:52:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-07-23 13:52:41,516 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 150 [2018-07-23 13:52:41,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:41,517 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-07-23 13:52:41,517 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:52:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-07-23 13:52:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-07-23 13:52:41,517 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:41,518 INFO L357 BasicCegarLoop]: trace histogram [149, 1, 1] [2018-07-23 13:52:41,518 INFO L414 AbstractCegarLoop]: === Iteration 150 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:41,518 INFO L82 PathProgramCache]: Analyzing trace with hash -101718943, now seen corresponding path program 149 times [2018-07-23 13:52:41,518 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:42,416 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:42,416 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:52:42,416 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:42,417 INFO L185 omatonBuilderFactory]: Interpolants [58368#(and (<= proc_a 192) (<= 192 proc_a)), 58369#(and (<= 194 proc_a) (<= proc_a 194)), 58370#(and (<= proc_a 196) (<= 196 proc_a)), 58371#(and (<= 198 proc_a) (<= proc_a 198)), 58372#(and (<= proc_a 200) (<= 200 proc_a)), 58373#(and (<= proc_a 202) (<= 202 proc_a)), 58374#(and (<= 204 proc_a) (<= proc_a 204)), 58375#(and (<= 206 proc_a) (<= proc_a 206)), 58376#(and (<= 208 proc_a) (<= proc_a 208)), 58377#(and (<= proc_a 210) (<= 210 proc_a)), 58378#(and (<= proc_a 212) (<= 212 proc_a)), 58379#(and (<= 214 proc_a) (<= proc_a 214)), 58380#(and (<= 216 proc_a) (<= proc_a 216)), 58381#(and (<= proc_a 218) (<= 218 proc_a)), 58382#(and (<= proc_a 220) (<= 220 proc_a)), 58383#(and (<= 222 proc_a) (<= proc_a 222)), 58384#(and (<= 224 proc_a) (<= proc_a 224)), 58385#(and (<= proc_a 226) (<= 226 proc_a)), 58386#(and (<= 228 proc_a) (<= proc_a 228)), 58387#(and (<= proc_a 230) (<= 230 proc_a)), 58388#(and (<= 232 proc_a) (<= proc_a 232)), 58389#(and (<= proc_a 234) (<= 234 proc_a)), 58390#(and (<= proc_a 236) (<= 236 proc_a)), 58391#(and (<= 238 proc_a) (<= proc_a 238)), 58392#(and (<= 240 proc_a) (<= proc_a 240)), 58393#(and (<= proc_a 242) (<= 242 proc_a)), 58394#(and (<= proc_a 244) (<= 244 proc_a)), 58395#(and (<= proc_a 246) (<= 246 proc_a)), 58396#(and (<= 248 proc_a) (<= proc_a 248)), 58397#(and (<= proc_a 250) (<= 250 proc_a)), 58398#(and (<= 252 proc_a) (<= proc_a 252)), 58399#(and (<= 254 proc_a) (<= proc_a 254)), 58400#(and (<= proc_a 256) (<= 256 proc_a)), 58401#(and (<= 258 proc_a) (<= proc_a 258)), 58402#(and (<= proc_a 260) (<= 260 proc_a)), 58403#(and (<= 262 proc_a) (<= proc_a 262)), 58404#(and (<= proc_a 264) (<= 264 proc_a)), 58405#(and (<= 266 proc_a) (<= proc_a 266)), 58406#(and (<= proc_a 268) (<= 268 proc_a)), 58407#(and (<= proc_a 270) (<= 270 proc_a)), 58408#(and (<= proc_a 272) (<= 272 proc_a)), 58409#(and (<= proc_a 274) (<= 274 proc_a)), 58410#(and (<= proc_a 276) (<= 276 proc_a)), 58411#(and (<= proc_a 278) (<= 278 proc_a)), 58412#(and (<= proc_a 280) (<= 280 proc_a)), 58413#(and (<= proc_a 282) (<= 282 proc_a)), 58414#(and (<= proc_a 284) (<= 284 proc_a)), 58415#(and (<= proc_a 286) (<= 286 proc_a)), 58416#(and (<= proc_a 288) (<= 288 proc_a)), 58417#(and (<= proc_a 290) (<= 290 proc_a)), 58418#(and (<= proc_a 292) (<= 292 proc_a)), 58419#(and (<= 294 proc_a) (<= proc_a 294)), 58420#(and (<= 296 proc_a) (<= proc_a 296)), 58421#(and (<= 298 proc_a) (<= proc_a 298)), 58270#true, 58271#false, 58272#(and (<= proc_a 0) (<= 0 proc_a)), 58273#(and (<= 2 proc_a) (<= proc_a 2)), 58274#(and (<= 4 proc_a) (<= proc_a 4)), 58275#(and (<= 6 proc_a) (<= proc_a 6)), 58276#(and (<= proc_a 8) (<= 8 proc_a)), 58277#(and (<= 10 proc_a) (<= proc_a 10)), 58278#(and (<= proc_a 12) (<= 12 proc_a)), 58279#(and (<= 14 proc_a) (<= proc_a 14)), 58280#(and (<= proc_a 16) (<= 16 proc_a)), 58281#(and (<= 18 proc_a) (<= proc_a 18)), 58282#(and (<= 20 proc_a) (<= proc_a 20)), 58283#(and (<= 22 proc_a) (<= proc_a 22)), 58284#(and (<= 24 proc_a) (<= proc_a 24)), 58285#(and (<= 26 proc_a) (<= proc_a 26)), 58286#(and (<= proc_a 28) (<= 28 proc_a)), 58287#(and (<= proc_a 30) (<= 30 proc_a)), 58288#(and (<= 32 proc_a) (<= proc_a 32)), 58289#(and (<= 34 proc_a) (<= proc_a 34)), 58290#(and (<= 36 proc_a) (<= proc_a 36)), 58291#(and (<= 38 proc_a) (<= proc_a 38)), 58292#(and (<= 40 proc_a) (<= proc_a 40)), 58293#(and (<= proc_a 42) (<= 42 proc_a)), 58294#(and (<= proc_a 44) (<= 44 proc_a)), 58295#(and (<= proc_a 46) (<= 46 proc_a)), 58296#(and (<= 48 proc_a) (<= proc_a 48)), 58297#(and (<= 50 proc_a) (<= proc_a 50)), 58298#(and (<= 52 proc_a) (<= proc_a 52)), 58299#(and (<= 54 proc_a) (<= proc_a 54)), 58300#(and (<= proc_a 56) (<= 56 proc_a)), 58301#(and (<= proc_a 58) (<= 58 proc_a)), 58302#(and (<= 60 proc_a) (<= proc_a 60)), 58303#(and (<= 62 proc_a) (<= proc_a 62)), 58304#(and (<= 64 proc_a) (<= proc_a 64)), 58305#(and (<= 66 proc_a) (<= proc_a 66)), 58306#(and (<= 68 proc_a) (<= proc_a 68)), 58307#(and (<= proc_a 70) (<= 70 proc_a)), 58308#(and (<= 72 proc_a) (<= proc_a 72)), 58309#(and (<= proc_a 74) (<= 74 proc_a)), 58310#(and (<= proc_a 76) (<= 76 proc_a)), 58311#(and (<= 78 proc_a) (<= proc_a 78)), 58312#(and (<= proc_a 80) (<= 80 proc_a)), 58313#(and (<= 82 proc_a) (<= proc_a 82)), 58314#(and (<= proc_a 84) (<= 84 proc_a)), 58315#(and (<= 86 proc_a) (<= proc_a 86)), 58316#(and (<= 88 proc_a) (<= proc_a 88)), 58317#(and (<= proc_a 90) (<= 90 proc_a)), 58318#(and (<= 92 proc_a) (<= proc_a 92)), 58319#(and (<= proc_a 94) (<= 94 proc_a)), 58320#(and (<= proc_a 96) (<= 96 proc_a)), 58321#(and (<= 98 proc_a) (<= proc_a 98)), 58322#(and (<= proc_a 100) (<= 100 proc_a)), 58323#(and (<= 102 proc_a) (<= proc_a 102)), 58324#(and (<= proc_a 104) (<= 104 proc_a)), 58325#(and (<= 106 proc_a) (<= proc_a 106)), 58326#(and (<= proc_a 108) (<= 108 proc_a)), 58327#(and (<= proc_a 110) (<= 110 proc_a)), 58328#(and (<= proc_a 112) (<= 112 proc_a)), 58329#(and (<= 114 proc_a) (<= proc_a 114)), 58330#(and (<= 116 proc_a) (<= proc_a 116)), 58331#(and (<= proc_a 118) (<= 118 proc_a)), 58332#(and (<= 120 proc_a) (<= proc_a 120)), 58333#(and (<= proc_a 122) (<= 122 proc_a)), 58334#(and (<= proc_a 124) (<= 124 proc_a)), 58335#(and (<= proc_a 126) (<= 126 proc_a)), 58336#(and (<= 128 proc_a) (<= proc_a 128)), 58337#(and (<= proc_a 130) (<= 130 proc_a)), 58338#(and (<= 132 proc_a) (<= proc_a 132)), 58339#(and (<= proc_a 134) (<= 134 proc_a)), 58340#(and (<= proc_a 136) (<= 136 proc_a)), 58341#(and (<= proc_a 138) (<= 138 proc_a)), 58342#(and (<= proc_a 140) (<= 140 proc_a)), 58343#(and (<= 142 proc_a) (<= proc_a 142)), 58344#(and (<= 144 proc_a) (<= proc_a 144)), 58345#(and (<= proc_a 146) (<= 146 proc_a)), 58346#(and (<= 148 proc_a) (<= proc_a 148)), 58347#(and (<= proc_a 150) (<= 150 proc_a)), 58348#(and (<= proc_a 152) (<= 152 proc_a)), 58349#(and (<= 154 proc_a) (<= proc_a 154)), 58350#(and (<= 156 proc_a) (<= proc_a 156)), 58351#(and (<= proc_a 158) (<= 158 proc_a)), 58352#(and (<= 160 proc_a) (<= proc_a 160)), 58353#(and (<= proc_a 162) (<= 162 proc_a)), 58354#(and (<= 164 proc_a) (<= proc_a 164)), 58355#(and (<= 166 proc_a) (<= proc_a 166)), 58356#(and (<= 168 proc_a) (<= proc_a 168)), 58357#(and (<= 170 proc_a) (<= proc_a 170)), 58358#(and (<= 172 proc_a) (<= proc_a 172)), 58359#(and (<= proc_a 174) (<= 174 proc_a)), 58360#(and (<= 176 proc_a) (<= proc_a 176)), 58361#(and (<= 178 proc_a) (<= proc_a 178)), 58362#(and (<= proc_a 180) (<= 180 proc_a)), 58363#(and (<= proc_a 182) (<= 182 proc_a)), 58364#(and (<= 184 proc_a) (<= proc_a 184)), 58365#(and (<= 186 proc_a) (<= proc_a 186)), 58366#(and (<= 188 proc_a) (<= proc_a 188)), 58367#(and (<= 190 proc_a) (<= proc_a 190))] [2018-07-23 13:52:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:42,417 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:52:42,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:52:42,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=22651, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:52:42,418 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 152 states. [2018-07-23 13:52:43,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:43,520 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-07-23 13:52:43,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:52:43,520 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 151 [2018-07-23 13:52:43,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:43,521 INFO L225 Difference]: With dead ends: 154 [2018-07-23 13:52:43,521 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:52:43,522 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=301, Invalid=22651, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:52:43,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:52:43,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:52:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:52:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:52:43,526 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 151 [2018-07-23 13:52:43,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:43,526 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:52:43,526 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:52:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:52:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:52:43,526 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:43,527 INFO L357 BasicCegarLoop]: trace histogram [150, 1, 1] [2018-07-23 13:52:43,527 INFO L414 AbstractCegarLoop]: === Iteration 151 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:43,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1141680007, now seen corresponding path program 150 times [2018-07-23 13:52:43,527 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:44,415 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:44,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:52:44,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:44,415 INFO L185 omatonBuilderFactory]: Interpolants [59136#(and (<= proc_a 196) (<= 196 proc_a)), 59137#(and (<= 198 proc_a) (<= proc_a 198)), 59138#(and (<= proc_a 200) (<= 200 proc_a)), 59139#(and (<= proc_a 202) (<= 202 proc_a)), 59140#(and (<= 204 proc_a) (<= proc_a 204)), 59141#(and (<= 206 proc_a) (<= proc_a 206)), 59142#(and (<= 208 proc_a) (<= proc_a 208)), 59143#(and (<= proc_a 210) (<= 210 proc_a)), 59144#(and (<= proc_a 212) (<= 212 proc_a)), 59145#(and (<= 214 proc_a) (<= proc_a 214)), 59146#(and (<= 216 proc_a) (<= proc_a 216)), 59147#(and (<= proc_a 218) (<= 218 proc_a)), 59148#(and (<= proc_a 220) (<= 220 proc_a)), 59149#(and (<= 222 proc_a) (<= proc_a 222)), 59150#(and (<= 224 proc_a) (<= proc_a 224)), 59151#(and (<= proc_a 226) (<= 226 proc_a)), 59152#(and (<= 228 proc_a) (<= proc_a 228)), 59153#(and (<= proc_a 230) (<= 230 proc_a)), 59154#(and (<= 232 proc_a) (<= proc_a 232)), 59155#(and (<= proc_a 234) (<= 234 proc_a)), 59156#(and (<= proc_a 236) (<= 236 proc_a)), 59157#(and (<= 238 proc_a) (<= proc_a 238)), 59158#(and (<= 240 proc_a) (<= proc_a 240)), 59159#(and (<= proc_a 242) (<= 242 proc_a)), 59160#(and (<= proc_a 244) (<= 244 proc_a)), 59161#(and (<= proc_a 246) (<= 246 proc_a)), 59162#(and (<= 248 proc_a) (<= proc_a 248)), 59163#(and (<= proc_a 250) (<= 250 proc_a)), 59164#(and (<= 252 proc_a) (<= proc_a 252)), 59165#(and (<= 254 proc_a) (<= proc_a 254)), 59166#(and (<= proc_a 256) (<= 256 proc_a)), 59167#(and (<= 258 proc_a) (<= proc_a 258)), 59168#(and (<= proc_a 260) (<= 260 proc_a)), 59169#(and (<= 262 proc_a) (<= proc_a 262)), 59170#(and (<= proc_a 264) (<= 264 proc_a)), 59171#(and (<= 266 proc_a) (<= proc_a 266)), 59172#(and (<= proc_a 268) (<= 268 proc_a)), 59173#(and (<= proc_a 270) (<= 270 proc_a)), 59174#(and (<= proc_a 272) (<= 272 proc_a)), 59175#(and (<= proc_a 274) (<= 274 proc_a)), 59176#(and (<= proc_a 276) (<= 276 proc_a)), 59177#(and (<= proc_a 278) (<= 278 proc_a)), 59178#(and (<= proc_a 280) (<= 280 proc_a)), 59179#(and (<= proc_a 282) (<= 282 proc_a)), 59180#(and (<= proc_a 284) (<= 284 proc_a)), 59181#(and (<= proc_a 286) (<= 286 proc_a)), 59182#(and (<= proc_a 288) (<= 288 proc_a)), 59183#(and (<= proc_a 290) (<= 290 proc_a)), 59184#(and (<= proc_a 292) (<= 292 proc_a)), 59185#(and (<= 294 proc_a) (<= proc_a 294)), 59186#(and (<= 296 proc_a) (<= proc_a 296)), 59187#(and (<= 298 proc_a) (<= proc_a 298)), 59188#(and (<= proc_a 300) (<= 300 proc_a)), 59036#true, 59037#false, 59038#(and (<= proc_a 0) (<= 0 proc_a)), 59039#(and (<= 2 proc_a) (<= proc_a 2)), 59040#(and (<= 4 proc_a) (<= proc_a 4)), 59041#(and (<= 6 proc_a) (<= proc_a 6)), 59042#(and (<= proc_a 8) (<= 8 proc_a)), 59043#(and (<= 10 proc_a) (<= proc_a 10)), 59044#(and (<= proc_a 12) (<= 12 proc_a)), 59045#(and (<= 14 proc_a) (<= proc_a 14)), 59046#(and (<= proc_a 16) (<= 16 proc_a)), 59047#(and (<= 18 proc_a) (<= proc_a 18)), 59048#(and (<= 20 proc_a) (<= proc_a 20)), 59049#(and (<= 22 proc_a) (<= proc_a 22)), 59050#(and (<= 24 proc_a) (<= proc_a 24)), 59051#(and (<= 26 proc_a) (<= proc_a 26)), 59052#(and (<= proc_a 28) (<= 28 proc_a)), 59053#(and (<= proc_a 30) (<= 30 proc_a)), 59054#(and (<= 32 proc_a) (<= proc_a 32)), 59055#(and (<= 34 proc_a) (<= proc_a 34)), 59056#(and (<= 36 proc_a) (<= proc_a 36)), 59057#(and (<= 38 proc_a) (<= proc_a 38)), 59058#(and (<= 40 proc_a) (<= proc_a 40)), 59059#(and (<= proc_a 42) (<= 42 proc_a)), 59060#(and (<= proc_a 44) (<= 44 proc_a)), 59061#(and (<= proc_a 46) (<= 46 proc_a)), 59062#(and (<= 48 proc_a) (<= proc_a 48)), 59063#(and (<= 50 proc_a) (<= proc_a 50)), 59064#(and (<= 52 proc_a) (<= proc_a 52)), 59065#(and (<= 54 proc_a) (<= proc_a 54)), 59066#(and (<= proc_a 56) (<= 56 proc_a)), 59067#(and (<= proc_a 58) (<= 58 proc_a)), 59068#(and (<= 60 proc_a) (<= proc_a 60)), 59069#(and (<= 62 proc_a) (<= proc_a 62)), 59070#(and (<= 64 proc_a) (<= proc_a 64)), 59071#(and (<= 66 proc_a) (<= proc_a 66)), 59072#(and (<= 68 proc_a) (<= proc_a 68)), 59073#(and (<= proc_a 70) (<= 70 proc_a)), 59074#(and (<= 72 proc_a) (<= proc_a 72)), 59075#(and (<= proc_a 74) (<= 74 proc_a)), 59076#(and (<= proc_a 76) (<= 76 proc_a)), 59077#(and (<= 78 proc_a) (<= proc_a 78)), 59078#(and (<= proc_a 80) (<= 80 proc_a)), 59079#(and (<= 82 proc_a) (<= proc_a 82)), 59080#(and (<= proc_a 84) (<= 84 proc_a)), 59081#(and (<= 86 proc_a) (<= proc_a 86)), 59082#(and (<= 88 proc_a) (<= proc_a 88)), 59083#(and (<= proc_a 90) (<= 90 proc_a)), 59084#(and (<= 92 proc_a) (<= proc_a 92)), 59085#(and (<= proc_a 94) (<= 94 proc_a)), 59086#(and (<= proc_a 96) (<= 96 proc_a)), 59087#(and (<= 98 proc_a) (<= proc_a 98)), 59088#(and (<= proc_a 100) (<= 100 proc_a)), 59089#(and (<= 102 proc_a) (<= proc_a 102)), 59090#(and (<= proc_a 104) (<= 104 proc_a)), 59091#(and (<= 106 proc_a) (<= proc_a 106)), 59092#(and (<= proc_a 108) (<= 108 proc_a)), 59093#(and (<= proc_a 110) (<= 110 proc_a)), 59094#(and (<= proc_a 112) (<= 112 proc_a)), 59095#(and (<= 114 proc_a) (<= proc_a 114)), 59096#(and (<= 116 proc_a) (<= proc_a 116)), 59097#(and (<= proc_a 118) (<= 118 proc_a)), 59098#(and (<= 120 proc_a) (<= proc_a 120)), 59099#(and (<= proc_a 122) (<= 122 proc_a)), 59100#(and (<= proc_a 124) (<= 124 proc_a)), 59101#(and (<= proc_a 126) (<= 126 proc_a)), 59102#(and (<= 128 proc_a) (<= proc_a 128)), 59103#(and (<= proc_a 130) (<= 130 proc_a)), 59104#(and (<= 132 proc_a) (<= proc_a 132)), 59105#(and (<= proc_a 134) (<= 134 proc_a)), 59106#(and (<= proc_a 136) (<= 136 proc_a)), 59107#(and (<= proc_a 138) (<= 138 proc_a)), 59108#(and (<= proc_a 140) (<= 140 proc_a)), 59109#(and (<= 142 proc_a) (<= proc_a 142)), 59110#(and (<= 144 proc_a) (<= proc_a 144)), 59111#(and (<= proc_a 146) (<= 146 proc_a)), 59112#(and (<= 148 proc_a) (<= proc_a 148)), 59113#(and (<= proc_a 150) (<= 150 proc_a)), 59114#(and (<= proc_a 152) (<= 152 proc_a)), 59115#(and (<= 154 proc_a) (<= proc_a 154)), 59116#(and (<= 156 proc_a) (<= proc_a 156)), 59117#(and (<= proc_a 158) (<= 158 proc_a)), 59118#(and (<= 160 proc_a) (<= proc_a 160)), 59119#(and (<= proc_a 162) (<= 162 proc_a)), 59120#(and (<= 164 proc_a) (<= proc_a 164)), 59121#(and (<= 166 proc_a) (<= proc_a 166)), 59122#(and (<= 168 proc_a) (<= proc_a 168)), 59123#(and (<= 170 proc_a) (<= proc_a 170)), 59124#(and (<= 172 proc_a) (<= proc_a 172)), 59125#(and (<= proc_a 174) (<= 174 proc_a)), 59126#(and (<= 176 proc_a) (<= proc_a 176)), 59127#(and (<= 178 proc_a) (<= proc_a 178)), 59128#(and (<= proc_a 180) (<= 180 proc_a)), 59129#(and (<= proc_a 182) (<= 182 proc_a)), 59130#(and (<= 184 proc_a) (<= proc_a 184)), 59131#(and (<= 186 proc_a) (<= proc_a 186)), 59132#(and (<= 188 proc_a) (<= proc_a 188)), 59133#(and (<= 190 proc_a) (<= proc_a 190)), 59134#(and (<= proc_a 192) (<= 192 proc_a)), 59135#(and (<= 194 proc_a) (<= proc_a 194))] [2018-07-23 13:52:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:44,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:52:44,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:52:44,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=22953, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:52:44,417 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 153 states. [2018-07-23 13:52:45,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:45,577 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:52:45,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:52:45,578 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 152 [2018-07-23 13:52:45,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:45,578 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:52:45,578 INFO L226 Difference]: Without dead ends: 154 [2018-07-23 13:52:45,579 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=303, Invalid=22953, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:52:45,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-07-23 13:52:45,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-07-23 13:52:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-07-23 13:52:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2018-07-23 13:52:45,583 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 152 [2018-07-23 13:52:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:45,584 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2018-07-23 13:52:45,584 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:52:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2018-07-23 13:52:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-07-23 13:52:45,584 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:45,584 INFO L357 BasicCegarLoop]: trace histogram [151, 1, 1] [2018-07-23 13:52:45,584 INFO L414 AbstractCegarLoop]: === Iteration 152 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:45,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1032341793, now seen corresponding path program 151 times [2018-07-23 13:52:45,585 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:46,495 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:46,495 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:52:46,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:46,496 INFO L185 omatonBuilderFactory]: Interpolants [59904#(and (<= 190 proc_a) (<= proc_a 190)), 59905#(and (<= proc_a 192) (<= 192 proc_a)), 59906#(and (<= 194 proc_a) (<= proc_a 194)), 59907#(and (<= proc_a 196) (<= 196 proc_a)), 59908#(and (<= 198 proc_a) (<= proc_a 198)), 59909#(and (<= proc_a 200) (<= 200 proc_a)), 59910#(and (<= proc_a 202) (<= 202 proc_a)), 59911#(and (<= 204 proc_a) (<= proc_a 204)), 59912#(and (<= 206 proc_a) (<= proc_a 206)), 59913#(and (<= 208 proc_a) (<= proc_a 208)), 59914#(and (<= proc_a 210) (<= 210 proc_a)), 59915#(and (<= proc_a 212) (<= 212 proc_a)), 59916#(and (<= 214 proc_a) (<= proc_a 214)), 59917#(and (<= 216 proc_a) (<= proc_a 216)), 59918#(and (<= proc_a 218) (<= 218 proc_a)), 59919#(and (<= proc_a 220) (<= 220 proc_a)), 59920#(and (<= 222 proc_a) (<= proc_a 222)), 59921#(and (<= 224 proc_a) (<= proc_a 224)), 59922#(and (<= proc_a 226) (<= 226 proc_a)), 59923#(and (<= 228 proc_a) (<= proc_a 228)), 59924#(and (<= proc_a 230) (<= 230 proc_a)), 59925#(and (<= 232 proc_a) (<= proc_a 232)), 59926#(and (<= proc_a 234) (<= 234 proc_a)), 59927#(and (<= proc_a 236) (<= 236 proc_a)), 59928#(and (<= 238 proc_a) (<= proc_a 238)), 59929#(and (<= 240 proc_a) (<= proc_a 240)), 59930#(and (<= proc_a 242) (<= 242 proc_a)), 59931#(and (<= proc_a 244) (<= 244 proc_a)), 59932#(and (<= proc_a 246) (<= 246 proc_a)), 59933#(and (<= 248 proc_a) (<= proc_a 248)), 59934#(and (<= proc_a 250) (<= 250 proc_a)), 59935#(and (<= 252 proc_a) (<= proc_a 252)), 59936#(and (<= 254 proc_a) (<= proc_a 254)), 59937#(and (<= proc_a 256) (<= 256 proc_a)), 59938#(and (<= 258 proc_a) (<= proc_a 258)), 59939#(and (<= proc_a 260) (<= 260 proc_a)), 59940#(and (<= 262 proc_a) (<= proc_a 262)), 59941#(and (<= proc_a 264) (<= 264 proc_a)), 59942#(and (<= 266 proc_a) (<= proc_a 266)), 59943#(and (<= proc_a 268) (<= 268 proc_a)), 59944#(and (<= proc_a 270) (<= 270 proc_a)), 59945#(and (<= proc_a 272) (<= 272 proc_a)), 59946#(and (<= proc_a 274) (<= 274 proc_a)), 59947#(and (<= proc_a 276) (<= 276 proc_a)), 59948#(and (<= proc_a 278) (<= 278 proc_a)), 59949#(and (<= proc_a 280) (<= 280 proc_a)), 59950#(and (<= proc_a 282) (<= 282 proc_a)), 59951#(and (<= proc_a 284) (<= 284 proc_a)), 59952#(and (<= proc_a 286) (<= 286 proc_a)), 59953#(and (<= proc_a 288) (<= 288 proc_a)), 59954#(and (<= proc_a 290) (<= 290 proc_a)), 59955#(and (<= proc_a 292) (<= 292 proc_a)), 59956#(and (<= 294 proc_a) (<= proc_a 294)), 59957#(and (<= 296 proc_a) (<= proc_a 296)), 59958#(and (<= 298 proc_a) (<= proc_a 298)), 59959#(and (<= proc_a 300) (<= 300 proc_a)), 59960#(and (<= proc_a 302) (<= 302 proc_a)), 59807#true, 59808#false, 59809#(and (<= proc_a 0) (<= 0 proc_a)), 59810#(and (<= 2 proc_a) (<= proc_a 2)), 59811#(and (<= 4 proc_a) (<= proc_a 4)), 59812#(and (<= 6 proc_a) (<= proc_a 6)), 59813#(and (<= proc_a 8) (<= 8 proc_a)), 59814#(and (<= 10 proc_a) (<= proc_a 10)), 59815#(and (<= proc_a 12) (<= 12 proc_a)), 59816#(and (<= 14 proc_a) (<= proc_a 14)), 59817#(and (<= proc_a 16) (<= 16 proc_a)), 59818#(and (<= 18 proc_a) (<= proc_a 18)), 59819#(and (<= 20 proc_a) (<= proc_a 20)), 59820#(and (<= 22 proc_a) (<= proc_a 22)), 59821#(and (<= 24 proc_a) (<= proc_a 24)), 59822#(and (<= 26 proc_a) (<= proc_a 26)), 59823#(and (<= proc_a 28) (<= 28 proc_a)), 59824#(and (<= proc_a 30) (<= 30 proc_a)), 59825#(and (<= 32 proc_a) (<= proc_a 32)), 59826#(and (<= 34 proc_a) (<= proc_a 34)), 59827#(and (<= 36 proc_a) (<= proc_a 36)), 59828#(and (<= 38 proc_a) (<= proc_a 38)), 59829#(and (<= 40 proc_a) (<= proc_a 40)), 59830#(and (<= proc_a 42) (<= 42 proc_a)), 59831#(and (<= proc_a 44) (<= 44 proc_a)), 59832#(and (<= proc_a 46) (<= 46 proc_a)), 59833#(and (<= 48 proc_a) (<= proc_a 48)), 59834#(and (<= 50 proc_a) (<= proc_a 50)), 59835#(and (<= 52 proc_a) (<= proc_a 52)), 59836#(and (<= 54 proc_a) (<= proc_a 54)), 59837#(and (<= proc_a 56) (<= 56 proc_a)), 59838#(and (<= proc_a 58) (<= 58 proc_a)), 59839#(and (<= 60 proc_a) (<= proc_a 60)), 59840#(and (<= 62 proc_a) (<= proc_a 62)), 59841#(and (<= 64 proc_a) (<= proc_a 64)), 59842#(and (<= 66 proc_a) (<= proc_a 66)), 59843#(and (<= 68 proc_a) (<= proc_a 68)), 59844#(and (<= proc_a 70) (<= 70 proc_a)), 59845#(and (<= 72 proc_a) (<= proc_a 72)), 59846#(and (<= proc_a 74) (<= 74 proc_a)), 59847#(and (<= proc_a 76) (<= 76 proc_a)), 59848#(and (<= 78 proc_a) (<= proc_a 78)), 59849#(and (<= proc_a 80) (<= 80 proc_a)), 59850#(and (<= 82 proc_a) (<= proc_a 82)), 59851#(and (<= proc_a 84) (<= 84 proc_a)), 59852#(and (<= 86 proc_a) (<= proc_a 86)), 59853#(and (<= 88 proc_a) (<= proc_a 88)), 59854#(and (<= proc_a 90) (<= 90 proc_a)), 59855#(and (<= 92 proc_a) (<= proc_a 92)), 59856#(and (<= proc_a 94) (<= 94 proc_a)), 59857#(and (<= proc_a 96) (<= 96 proc_a)), 59858#(and (<= 98 proc_a) (<= proc_a 98)), 59859#(and (<= proc_a 100) (<= 100 proc_a)), 59860#(and (<= 102 proc_a) (<= proc_a 102)), 59861#(and (<= proc_a 104) (<= 104 proc_a)), 59862#(and (<= 106 proc_a) (<= proc_a 106)), 59863#(and (<= proc_a 108) (<= 108 proc_a)), 59864#(and (<= proc_a 110) (<= 110 proc_a)), 59865#(and (<= proc_a 112) (<= 112 proc_a)), 59866#(and (<= 114 proc_a) (<= proc_a 114)), 59867#(and (<= 116 proc_a) (<= proc_a 116)), 59868#(and (<= proc_a 118) (<= 118 proc_a)), 59869#(and (<= 120 proc_a) (<= proc_a 120)), 59870#(and (<= proc_a 122) (<= 122 proc_a)), 59871#(and (<= proc_a 124) (<= 124 proc_a)), 59872#(and (<= proc_a 126) (<= 126 proc_a)), 59873#(and (<= 128 proc_a) (<= proc_a 128)), 59874#(and (<= proc_a 130) (<= 130 proc_a)), 59875#(and (<= 132 proc_a) (<= proc_a 132)), 59876#(and (<= proc_a 134) (<= 134 proc_a)), 59877#(and (<= proc_a 136) (<= 136 proc_a)), 59878#(and (<= proc_a 138) (<= 138 proc_a)), 59879#(and (<= proc_a 140) (<= 140 proc_a)), 59880#(and (<= 142 proc_a) (<= proc_a 142)), 59881#(and (<= 144 proc_a) (<= proc_a 144)), 59882#(and (<= proc_a 146) (<= 146 proc_a)), 59883#(and (<= 148 proc_a) (<= proc_a 148)), 59884#(and (<= proc_a 150) (<= 150 proc_a)), 59885#(and (<= proc_a 152) (<= 152 proc_a)), 59886#(and (<= 154 proc_a) (<= proc_a 154)), 59887#(and (<= 156 proc_a) (<= proc_a 156)), 59888#(and (<= proc_a 158) (<= 158 proc_a)), 59889#(and (<= 160 proc_a) (<= proc_a 160)), 59890#(and (<= proc_a 162) (<= 162 proc_a)), 59891#(and (<= 164 proc_a) (<= proc_a 164)), 59892#(and (<= 166 proc_a) (<= proc_a 166)), 59893#(and (<= 168 proc_a) (<= proc_a 168)), 59894#(and (<= 170 proc_a) (<= proc_a 170)), 59895#(and (<= 172 proc_a) (<= proc_a 172)), 59896#(and (<= proc_a 174) (<= 174 proc_a)), 59897#(and (<= 176 proc_a) (<= proc_a 176)), 59898#(and (<= 178 proc_a) (<= proc_a 178)), 59899#(and (<= proc_a 180) (<= 180 proc_a)), 59900#(and (<= proc_a 182) (<= 182 proc_a)), 59901#(and (<= 184 proc_a) (<= proc_a 184)), 59902#(and (<= 186 proc_a) (<= proc_a 186)), 59903#(and (<= 188 proc_a) (<= proc_a 188))] [2018-07-23 13:52:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:46,497 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:52:46,497 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:52:46,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=23257, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:52:46,498 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand 154 states. [2018-07-23 13:52:47,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:47,652 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-07-23 13:52:47,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:52:47,652 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 153 [2018-07-23 13:52:47,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:47,653 INFO L225 Difference]: With dead ends: 156 [2018-07-23 13:52:47,653 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:52:47,654 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=305, Invalid=23257, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:52:47,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:52:47,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:52:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:52:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:52:47,658 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 153 [2018-07-23 13:52:47,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:47,658 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:52:47,659 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:52:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:52:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:52:47,659 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:47,659 INFO L357 BasicCegarLoop]: trace histogram [152, 1, 1] [2018-07-23 13:52:47,659 INFO L414 AbstractCegarLoop]: === Iteration 153 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:47,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1937824455, now seen corresponding path program 152 times [2018-07-23 13:52:47,660 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:48,588 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:48,588 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:52:48,588 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:48,589 INFO L185 omatonBuilderFactory]: Interpolants [60672#(and (<= proc_a 174) (<= 174 proc_a)), 60673#(and (<= 176 proc_a) (<= proc_a 176)), 60674#(and (<= 178 proc_a) (<= proc_a 178)), 60675#(and (<= proc_a 180) (<= 180 proc_a)), 60676#(and (<= proc_a 182) (<= 182 proc_a)), 60677#(and (<= 184 proc_a) (<= proc_a 184)), 60678#(and (<= 186 proc_a) (<= proc_a 186)), 60679#(and (<= 188 proc_a) (<= proc_a 188)), 60680#(and (<= 190 proc_a) (<= proc_a 190)), 60681#(and (<= proc_a 192) (<= 192 proc_a)), 60682#(and (<= 194 proc_a) (<= proc_a 194)), 60683#(and (<= proc_a 196) (<= 196 proc_a)), 60684#(and (<= 198 proc_a) (<= proc_a 198)), 60685#(and (<= proc_a 200) (<= 200 proc_a)), 60686#(and (<= proc_a 202) (<= 202 proc_a)), 60687#(and (<= 204 proc_a) (<= proc_a 204)), 60688#(and (<= 206 proc_a) (<= proc_a 206)), 60689#(and (<= 208 proc_a) (<= proc_a 208)), 60690#(and (<= proc_a 210) (<= 210 proc_a)), 60691#(and (<= proc_a 212) (<= 212 proc_a)), 60692#(and (<= 214 proc_a) (<= proc_a 214)), 60693#(and (<= 216 proc_a) (<= proc_a 216)), 60694#(and (<= proc_a 218) (<= 218 proc_a)), 60695#(and (<= proc_a 220) (<= 220 proc_a)), 60696#(and (<= 222 proc_a) (<= proc_a 222)), 60697#(and (<= 224 proc_a) (<= proc_a 224)), 60698#(and (<= proc_a 226) (<= 226 proc_a)), 60699#(and (<= 228 proc_a) (<= proc_a 228)), 60700#(and (<= proc_a 230) (<= 230 proc_a)), 60701#(and (<= 232 proc_a) (<= proc_a 232)), 60702#(and (<= proc_a 234) (<= 234 proc_a)), 60703#(and (<= proc_a 236) (<= 236 proc_a)), 60704#(and (<= 238 proc_a) (<= proc_a 238)), 60705#(and (<= 240 proc_a) (<= proc_a 240)), 60706#(and (<= proc_a 242) (<= 242 proc_a)), 60707#(and (<= proc_a 244) (<= 244 proc_a)), 60708#(and (<= proc_a 246) (<= 246 proc_a)), 60709#(and (<= 248 proc_a) (<= proc_a 248)), 60710#(and (<= proc_a 250) (<= 250 proc_a)), 60711#(and (<= 252 proc_a) (<= proc_a 252)), 60712#(and (<= 254 proc_a) (<= proc_a 254)), 60713#(and (<= proc_a 256) (<= 256 proc_a)), 60714#(and (<= 258 proc_a) (<= proc_a 258)), 60715#(and (<= proc_a 260) (<= 260 proc_a)), 60716#(and (<= 262 proc_a) (<= proc_a 262)), 60717#(and (<= proc_a 264) (<= 264 proc_a)), 60718#(and (<= 266 proc_a) (<= proc_a 266)), 60719#(and (<= proc_a 268) (<= 268 proc_a)), 60720#(and (<= proc_a 270) (<= 270 proc_a)), 60721#(and (<= proc_a 272) (<= 272 proc_a)), 60722#(and (<= proc_a 274) (<= 274 proc_a)), 60723#(and (<= proc_a 276) (<= 276 proc_a)), 60724#(and (<= proc_a 278) (<= 278 proc_a)), 60725#(and (<= proc_a 280) (<= 280 proc_a)), 60726#(and (<= proc_a 282) (<= 282 proc_a)), 60727#(and (<= proc_a 284) (<= 284 proc_a)), 60728#(and (<= proc_a 286) (<= 286 proc_a)), 60729#(and (<= proc_a 288) (<= 288 proc_a)), 60730#(and (<= proc_a 290) (<= 290 proc_a)), 60731#(and (<= proc_a 292) (<= 292 proc_a)), 60732#(and (<= 294 proc_a) (<= proc_a 294)), 60733#(and (<= 296 proc_a) (<= proc_a 296)), 60734#(and (<= 298 proc_a) (<= proc_a 298)), 60735#(and (<= proc_a 300) (<= 300 proc_a)), 60736#(and (<= proc_a 302) (<= 302 proc_a)), 60737#(and (<= proc_a 304) (<= 304 proc_a)), 60583#true, 60584#false, 60585#(and (<= proc_a 0) (<= 0 proc_a)), 60586#(and (<= 2 proc_a) (<= proc_a 2)), 60587#(and (<= 4 proc_a) (<= proc_a 4)), 60588#(and (<= 6 proc_a) (<= proc_a 6)), 60589#(and (<= proc_a 8) (<= 8 proc_a)), 60590#(and (<= 10 proc_a) (<= proc_a 10)), 60591#(and (<= proc_a 12) (<= 12 proc_a)), 60592#(and (<= 14 proc_a) (<= proc_a 14)), 60593#(and (<= proc_a 16) (<= 16 proc_a)), 60594#(and (<= 18 proc_a) (<= proc_a 18)), 60595#(and (<= 20 proc_a) (<= proc_a 20)), 60596#(and (<= 22 proc_a) (<= proc_a 22)), 60597#(and (<= 24 proc_a) (<= proc_a 24)), 60598#(and (<= 26 proc_a) (<= proc_a 26)), 60599#(and (<= proc_a 28) (<= 28 proc_a)), 60600#(and (<= proc_a 30) (<= 30 proc_a)), 60601#(and (<= 32 proc_a) (<= proc_a 32)), 60602#(and (<= 34 proc_a) (<= proc_a 34)), 60603#(and (<= 36 proc_a) (<= proc_a 36)), 60604#(and (<= 38 proc_a) (<= proc_a 38)), 60605#(and (<= 40 proc_a) (<= proc_a 40)), 60606#(and (<= proc_a 42) (<= 42 proc_a)), 60607#(and (<= proc_a 44) (<= 44 proc_a)), 60608#(and (<= proc_a 46) (<= 46 proc_a)), 60609#(and (<= 48 proc_a) (<= proc_a 48)), 60610#(and (<= 50 proc_a) (<= proc_a 50)), 60611#(and (<= 52 proc_a) (<= proc_a 52)), 60612#(and (<= 54 proc_a) (<= proc_a 54)), 60613#(and (<= proc_a 56) (<= 56 proc_a)), 60614#(and (<= proc_a 58) (<= 58 proc_a)), 60615#(and (<= 60 proc_a) (<= proc_a 60)), 60616#(and (<= 62 proc_a) (<= proc_a 62)), 60617#(and (<= 64 proc_a) (<= proc_a 64)), 60618#(and (<= 66 proc_a) (<= proc_a 66)), 60619#(and (<= 68 proc_a) (<= proc_a 68)), 60620#(and (<= proc_a 70) (<= 70 proc_a)), 60621#(and (<= 72 proc_a) (<= proc_a 72)), 60622#(and (<= proc_a 74) (<= 74 proc_a)), 60623#(and (<= proc_a 76) (<= 76 proc_a)), 60624#(and (<= 78 proc_a) (<= proc_a 78)), 60625#(and (<= proc_a 80) (<= 80 proc_a)), 60626#(and (<= 82 proc_a) (<= proc_a 82)), 60627#(and (<= proc_a 84) (<= 84 proc_a)), 60628#(and (<= 86 proc_a) (<= proc_a 86)), 60629#(and (<= 88 proc_a) (<= proc_a 88)), 60630#(and (<= proc_a 90) (<= 90 proc_a)), 60631#(and (<= 92 proc_a) (<= proc_a 92)), 60632#(and (<= proc_a 94) (<= 94 proc_a)), 60633#(and (<= proc_a 96) (<= 96 proc_a)), 60634#(and (<= 98 proc_a) (<= proc_a 98)), 60635#(and (<= proc_a 100) (<= 100 proc_a)), 60636#(and (<= 102 proc_a) (<= proc_a 102)), 60637#(and (<= proc_a 104) (<= 104 proc_a)), 60638#(and (<= 106 proc_a) (<= proc_a 106)), 60639#(and (<= proc_a 108) (<= 108 proc_a)), 60640#(and (<= proc_a 110) (<= 110 proc_a)), 60641#(and (<= proc_a 112) (<= 112 proc_a)), 60642#(and (<= 114 proc_a) (<= proc_a 114)), 60643#(and (<= 116 proc_a) (<= proc_a 116)), 60644#(and (<= proc_a 118) (<= 118 proc_a)), 60645#(and (<= 120 proc_a) (<= proc_a 120)), 60646#(and (<= proc_a 122) (<= 122 proc_a)), 60647#(and (<= proc_a 124) (<= 124 proc_a)), 60648#(and (<= proc_a 126) (<= 126 proc_a)), 60649#(and (<= 128 proc_a) (<= proc_a 128)), 60650#(and (<= proc_a 130) (<= 130 proc_a)), 60651#(and (<= 132 proc_a) (<= proc_a 132)), 60652#(and (<= proc_a 134) (<= 134 proc_a)), 60653#(and (<= proc_a 136) (<= 136 proc_a)), 60654#(and (<= proc_a 138) (<= 138 proc_a)), 60655#(and (<= proc_a 140) (<= 140 proc_a)), 60656#(and (<= 142 proc_a) (<= proc_a 142)), 60657#(and (<= 144 proc_a) (<= proc_a 144)), 60658#(and (<= proc_a 146) (<= 146 proc_a)), 60659#(and (<= 148 proc_a) (<= proc_a 148)), 60660#(and (<= proc_a 150) (<= 150 proc_a)), 60661#(and (<= proc_a 152) (<= 152 proc_a)), 60662#(and (<= 154 proc_a) (<= proc_a 154)), 60663#(and (<= 156 proc_a) (<= proc_a 156)), 60664#(and (<= proc_a 158) (<= 158 proc_a)), 60665#(and (<= 160 proc_a) (<= proc_a 160)), 60666#(and (<= proc_a 162) (<= 162 proc_a)), 60667#(and (<= 164 proc_a) (<= proc_a 164)), 60668#(and (<= 166 proc_a) (<= proc_a 166)), 60669#(and (<= 168 proc_a) (<= proc_a 168)), 60670#(and (<= 170 proc_a) (<= proc_a 170)), 60671#(and (<= 172 proc_a) (<= proc_a 172))] [2018-07-23 13:52:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:48,590 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:52:48,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:52:48,591 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=23563, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:52:48,591 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 155 states. [2018-07-23 13:52:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:49,769 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:52:49,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:52:49,769 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 154 [2018-07-23 13:52:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:49,770 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:52:49,770 INFO L226 Difference]: Without dead ends: 156 [2018-07-23 13:52:49,770 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=307, Invalid=23563, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:52:49,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-07-23 13:52:49,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-07-23 13:52:49,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-07-23 13:52:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 156 transitions. [2018-07-23 13:52:49,775 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 156 transitions. Word has length 154 [2018-07-23 13:52:49,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:49,775 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 156 transitions. [2018-07-23 13:52:49,775 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:52:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 156 transitions. [2018-07-23 13:52:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-23 13:52:49,776 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:49,776 INFO L357 BasicCegarLoop]: trace histogram [153, 1, 1] [2018-07-23 13:52:49,776 INFO L414 AbstractCegarLoop]: === Iteration 154 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:49,776 INFO L82 PathProgramCache]: Analyzing trace with hash -56984095, now seen corresponding path program 153 times [2018-07-23 13:52:49,776 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:50,701 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:50,701 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:52:50,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:50,701 INFO L185 omatonBuilderFactory]: Interpolants [61440#(and (<= 148 proc_a) (<= proc_a 148)), 61441#(and (<= proc_a 150) (<= 150 proc_a)), 61442#(and (<= proc_a 152) (<= 152 proc_a)), 61443#(and (<= 154 proc_a) (<= proc_a 154)), 61444#(and (<= 156 proc_a) (<= proc_a 156)), 61445#(and (<= proc_a 158) (<= 158 proc_a)), 61446#(and (<= 160 proc_a) (<= proc_a 160)), 61447#(and (<= proc_a 162) (<= 162 proc_a)), 61448#(and (<= 164 proc_a) (<= proc_a 164)), 61449#(and (<= 166 proc_a) (<= proc_a 166)), 61450#(and (<= 168 proc_a) (<= proc_a 168)), 61451#(and (<= 170 proc_a) (<= proc_a 170)), 61452#(and (<= 172 proc_a) (<= proc_a 172)), 61453#(and (<= proc_a 174) (<= 174 proc_a)), 61454#(and (<= 176 proc_a) (<= proc_a 176)), 61455#(and (<= 178 proc_a) (<= proc_a 178)), 61456#(and (<= proc_a 180) (<= 180 proc_a)), 61457#(and (<= proc_a 182) (<= 182 proc_a)), 61458#(and (<= 184 proc_a) (<= proc_a 184)), 61459#(and (<= 186 proc_a) (<= proc_a 186)), 61460#(and (<= 188 proc_a) (<= proc_a 188)), 61461#(and (<= 190 proc_a) (<= proc_a 190)), 61462#(and (<= proc_a 192) (<= 192 proc_a)), 61463#(and (<= 194 proc_a) (<= proc_a 194)), 61464#(and (<= proc_a 196) (<= 196 proc_a)), 61465#(and (<= 198 proc_a) (<= proc_a 198)), 61466#(and (<= proc_a 200) (<= 200 proc_a)), 61467#(and (<= proc_a 202) (<= 202 proc_a)), 61468#(and (<= 204 proc_a) (<= proc_a 204)), 61469#(and (<= 206 proc_a) (<= proc_a 206)), 61470#(and (<= 208 proc_a) (<= proc_a 208)), 61471#(and (<= proc_a 210) (<= 210 proc_a)), 61472#(and (<= proc_a 212) (<= 212 proc_a)), 61473#(and (<= 214 proc_a) (<= proc_a 214)), 61474#(and (<= 216 proc_a) (<= proc_a 216)), 61475#(and (<= proc_a 218) (<= 218 proc_a)), 61476#(and (<= proc_a 220) (<= 220 proc_a)), 61477#(and (<= 222 proc_a) (<= proc_a 222)), 61478#(and (<= 224 proc_a) (<= proc_a 224)), 61479#(and (<= proc_a 226) (<= 226 proc_a)), 61480#(and (<= 228 proc_a) (<= proc_a 228)), 61481#(and (<= proc_a 230) (<= 230 proc_a)), 61482#(and (<= 232 proc_a) (<= proc_a 232)), 61483#(and (<= proc_a 234) (<= 234 proc_a)), 61484#(and (<= proc_a 236) (<= 236 proc_a)), 61485#(and (<= 238 proc_a) (<= proc_a 238)), 61486#(and (<= 240 proc_a) (<= proc_a 240)), 61487#(and (<= proc_a 242) (<= 242 proc_a)), 61488#(and (<= proc_a 244) (<= 244 proc_a)), 61489#(and (<= proc_a 246) (<= 246 proc_a)), 61490#(and (<= 248 proc_a) (<= proc_a 248)), 61491#(and (<= proc_a 250) (<= 250 proc_a)), 61492#(and (<= 252 proc_a) (<= proc_a 252)), 61493#(and (<= 254 proc_a) (<= proc_a 254)), 61494#(and (<= proc_a 256) (<= 256 proc_a)), 61495#(and (<= 258 proc_a) (<= proc_a 258)), 61496#(and (<= proc_a 260) (<= 260 proc_a)), 61497#(and (<= 262 proc_a) (<= proc_a 262)), 61498#(and (<= proc_a 264) (<= 264 proc_a)), 61499#(and (<= 266 proc_a) (<= proc_a 266)), 61500#(and (<= proc_a 268) (<= 268 proc_a)), 61501#(and (<= proc_a 270) (<= 270 proc_a)), 61502#(and (<= proc_a 272) (<= 272 proc_a)), 61503#(and (<= proc_a 274) (<= 274 proc_a)), 61504#(and (<= proc_a 276) (<= 276 proc_a)), 61505#(and (<= proc_a 278) (<= 278 proc_a)), 61506#(and (<= proc_a 280) (<= 280 proc_a)), 61507#(and (<= proc_a 282) (<= 282 proc_a)), 61508#(and (<= proc_a 284) (<= 284 proc_a)), 61509#(and (<= proc_a 286) (<= 286 proc_a)), 61510#(and (<= proc_a 288) (<= 288 proc_a)), 61511#(and (<= proc_a 290) (<= 290 proc_a)), 61512#(and (<= proc_a 292) (<= 292 proc_a)), 61513#(and (<= 294 proc_a) (<= proc_a 294)), 61514#(and (<= 296 proc_a) (<= proc_a 296)), 61515#(and (<= 298 proc_a) (<= proc_a 298)), 61516#(and (<= proc_a 300) (<= 300 proc_a)), 61517#(and (<= proc_a 302) (<= 302 proc_a)), 61518#(and (<= proc_a 304) (<= 304 proc_a)), 61519#(and (<= 306 proc_a) (<= proc_a 306)), 61364#true, 61365#false, 61366#(and (<= proc_a 0) (<= 0 proc_a)), 61367#(and (<= 2 proc_a) (<= proc_a 2)), 61368#(and (<= 4 proc_a) (<= proc_a 4)), 61369#(and (<= 6 proc_a) (<= proc_a 6)), 61370#(and (<= proc_a 8) (<= 8 proc_a)), 61371#(and (<= 10 proc_a) (<= proc_a 10)), 61372#(and (<= proc_a 12) (<= 12 proc_a)), 61373#(and (<= 14 proc_a) (<= proc_a 14)), 61374#(and (<= proc_a 16) (<= 16 proc_a)), 61375#(and (<= 18 proc_a) (<= proc_a 18)), 61376#(and (<= 20 proc_a) (<= proc_a 20)), 61377#(and (<= 22 proc_a) (<= proc_a 22)), 61378#(and (<= 24 proc_a) (<= proc_a 24)), 61379#(and (<= 26 proc_a) (<= proc_a 26)), 61380#(and (<= proc_a 28) (<= 28 proc_a)), 61381#(and (<= proc_a 30) (<= 30 proc_a)), 61382#(and (<= 32 proc_a) (<= proc_a 32)), 61383#(and (<= 34 proc_a) (<= proc_a 34)), 61384#(and (<= 36 proc_a) (<= proc_a 36)), 61385#(and (<= 38 proc_a) (<= proc_a 38)), 61386#(and (<= 40 proc_a) (<= proc_a 40)), 61387#(and (<= proc_a 42) (<= 42 proc_a)), 61388#(and (<= proc_a 44) (<= 44 proc_a)), 61389#(and (<= proc_a 46) (<= 46 proc_a)), 61390#(and (<= 48 proc_a) (<= proc_a 48)), 61391#(and (<= 50 proc_a) (<= proc_a 50)), 61392#(and (<= 52 proc_a) (<= proc_a 52)), 61393#(and (<= 54 proc_a) (<= proc_a 54)), 61394#(and (<= proc_a 56) (<= 56 proc_a)), 61395#(and (<= proc_a 58) (<= 58 proc_a)), 61396#(and (<= 60 proc_a) (<= proc_a 60)), 61397#(and (<= 62 proc_a) (<= proc_a 62)), 61398#(and (<= 64 proc_a) (<= proc_a 64)), 61399#(and (<= 66 proc_a) (<= proc_a 66)), 61400#(and (<= 68 proc_a) (<= proc_a 68)), 61401#(and (<= proc_a 70) (<= 70 proc_a)), 61402#(and (<= 72 proc_a) (<= proc_a 72)), 61403#(and (<= proc_a 74) (<= 74 proc_a)), 61404#(and (<= proc_a 76) (<= 76 proc_a)), 61405#(and (<= 78 proc_a) (<= proc_a 78)), 61406#(and (<= proc_a 80) (<= 80 proc_a)), 61407#(and (<= 82 proc_a) (<= proc_a 82)), 61408#(and (<= proc_a 84) (<= 84 proc_a)), 61409#(and (<= 86 proc_a) (<= proc_a 86)), 61410#(and (<= 88 proc_a) (<= proc_a 88)), 61411#(and (<= proc_a 90) (<= 90 proc_a)), 61412#(and (<= 92 proc_a) (<= proc_a 92)), 61413#(and (<= proc_a 94) (<= 94 proc_a)), 61414#(and (<= proc_a 96) (<= 96 proc_a)), 61415#(and (<= 98 proc_a) (<= proc_a 98)), 61416#(and (<= proc_a 100) (<= 100 proc_a)), 61417#(and (<= 102 proc_a) (<= proc_a 102)), 61418#(and (<= proc_a 104) (<= 104 proc_a)), 61419#(and (<= 106 proc_a) (<= proc_a 106)), 61420#(and (<= proc_a 108) (<= 108 proc_a)), 61421#(and (<= proc_a 110) (<= 110 proc_a)), 61422#(and (<= proc_a 112) (<= 112 proc_a)), 61423#(and (<= 114 proc_a) (<= proc_a 114)), 61424#(and (<= 116 proc_a) (<= proc_a 116)), 61425#(and (<= proc_a 118) (<= 118 proc_a)), 61426#(and (<= 120 proc_a) (<= proc_a 120)), 61427#(and (<= proc_a 122) (<= 122 proc_a)), 61428#(and (<= proc_a 124) (<= 124 proc_a)), 61429#(and (<= proc_a 126) (<= 126 proc_a)), 61430#(and (<= 128 proc_a) (<= proc_a 128)), 61431#(and (<= proc_a 130) (<= 130 proc_a)), 61432#(and (<= 132 proc_a) (<= proc_a 132)), 61433#(and (<= proc_a 134) (<= 134 proc_a)), 61434#(and (<= proc_a 136) (<= 136 proc_a)), 61435#(and (<= proc_a 138) (<= 138 proc_a)), 61436#(and (<= proc_a 140) (<= 140 proc_a)), 61437#(and (<= 142 proc_a) (<= proc_a 142)), 61438#(and (<= 144 proc_a) (<= proc_a 144)), 61439#(and (<= proc_a 146) (<= 146 proc_a))] [2018-07-23 13:52:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:50,702 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:52:50,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:52:50,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=23871, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:52:50,703 INFO L87 Difference]: Start difference. First operand 156 states and 156 transitions. Second operand 156 states. [2018-07-23 13:52:51,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:51,904 INFO L93 Difference]: Finished difference Result 158 states and 158 transitions. [2018-07-23 13:52:51,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:52:51,904 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 155 [2018-07-23 13:52:51,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:51,905 INFO L225 Difference]: With dead ends: 158 [2018-07-23 13:52:51,905 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:52:51,906 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=309, Invalid=23871, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:52:51,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:52:51,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:52:51,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:52:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:52:51,911 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 155 [2018-07-23 13:52:51,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:51,911 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:52:51,911 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:52:51,911 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:52:51,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:52:51,912 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:51,912 INFO L357 BasicCegarLoop]: trace histogram [154, 1, 1] [2018-07-23 13:52:51,912 INFO L414 AbstractCegarLoop]: === Iteration 155 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:51,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1766507001, now seen corresponding path program 154 times [2018-07-23 13:52:51,913 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 11935 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:52,883 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:52,884 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:52:52,884 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:52,884 INFO L185 omatonBuilderFactory]: Interpolants [62208#(and (<= proc_a 112) (<= 112 proc_a)), 62209#(and (<= 114 proc_a) (<= proc_a 114)), 62210#(and (<= 116 proc_a) (<= proc_a 116)), 62211#(and (<= proc_a 118) (<= 118 proc_a)), 62212#(and (<= 120 proc_a) (<= proc_a 120)), 62213#(and (<= proc_a 122) (<= 122 proc_a)), 62214#(and (<= proc_a 124) (<= 124 proc_a)), 62215#(and (<= proc_a 126) (<= 126 proc_a)), 62216#(and (<= 128 proc_a) (<= proc_a 128)), 62217#(and (<= proc_a 130) (<= 130 proc_a)), 62218#(and (<= 132 proc_a) (<= proc_a 132)), 62219#(and (<= proc_a 134) (<= 134 proc_a)), 62220#(and (<= proc_a 136) (<= 136 proc_a)), 62221#(and (<= proc_a 138) (<= 138 proc_a)), 62222#(and (<= proc_a 140) (<= 140 proc_a)), 62223#(and (<= 142 proc_a) (<= proc_a 142)), 62224#(and (<= 144 proc_a) (<= proc_a 144)), 62225#(and (<= proc_a 146) (<= 146 proc_a)), 62226#(and (<= 148 proc_a) (<= proc_a 148)), 62227#(and (<= proc_a 150) (<= 150 proc_a)), 62228#(and (<= proc_a 152) (<= 152 proc_a)), 62229#(and (<= 154 proc_a) (<= proc_a 154)), 62230#(and (<= 156 proc_a) (<= proc_a 156)), 62231#(and (<= proc_a 158) (<= 158 proc_a)), 62232#(and (<= 160 proc_a) (<= proc_a 160)), 62233#(and (<= proc_a 162) (<= 162 proc_a)), 62234#(and (<= 164 proc_a) (<= proc_a 164)), 62235#(and (<= 166 proc_a) (<= proc_a 166)), 62236#(and (<= 168 proc_a) (<= proc_a 168)), 62237#(and (<= 170 proc_a) (<= proc_a 170)), 62238#(and (<= 172 proc_a) (<= proc_a 172)), 62239#(and (<= proc_a 174) (<= 174 proc_a)), 62240#(and (<= 176 proc_a) (<= proc_a 176)), 62241#(and (<= 178 proc_a) (<= proc_a 178)), 62242#(and (<= proc_a 180) (<= 180 proc_a)), 62243#(and (<= proc_a 182) (<= 182 proc_a)), 62244#(and (<= 184 proc_a) (<= proc_a 184)), 62245#(and (<= 186 proc_a) (<= proc_a 186)), 62246#(and (<= 188 proc_a) (<= proc_a 188)), 62247#(and (<= 190 proc_a) (<= proc_a 190)), 62248#(and (<= proc_a 192) (<= 192 proc_a)), 62249#(and (<= 194 proc_a) (<= proc_a 194)), 62250#(and (<= proc_a 196) (<= 196 proc_a)), 62251#(and (<= 198 proc_a) (<= proc_a 198)), 62252#(and (<= proc_a 200) (<= 200 proc_a)), 62253#(and (<= proc_a 202) (<= 202 proc_a)), 62254#(and (<= 204 proc_a) (<= proc_a 204)), 62255#(and (<= 206 proc_a) (<= proc_a 206)), 62256#(and (<= 208 proc_a) (<= proc_a 208)), 62257#(and (<= proc_a 210) (<= 210 proc_a)), 62258#(and (<= proc_a 212) (<= 212 proc_a)), 62259#(and (<= 214 proc_a) (<= proc_a 214)), 62260#(and (<= 216 proc_a) (<= proc_a 216)), 62261#(and (<= proc_a 218) (<= 218 proc_a)), 62262#(and (<= proc_a 220) (<= 220 proc_a)), 62263#(and (<= 222 proc_a) (<= proc_a 222)), 62264#(and (<= 224 proc_a) (<= proc_a 224)), 62265#(and (<= proc_a 226) (<= 226 proc_a)), 62266#(and (<= 228 proc_a) (<= proc_a 228)), 62267#(and (<= proc_a 230) (<= 230 proc_a)), 62268#(and (<= 232 proc_a) (<= proc_a 232)), 62269#(and (<= proc_a 234) (<= 234 proc_a)), 62270#(and (<= proc_a 236) (<= 236 proc_a)), 62271#(and (<= 238 proc_a) (<= proc_a 238)), 62272#(and (<= 240 proc_a) (<= proc_a 240)), 62273#(and (<= proc_a 242) (<= 242 proc_a)), 62274#(and (<= proc_a 244) (<= 244 proc_a)), 62275#(and (<= proc_a 246) (<= 246 proc_a)), 62276#(and (<= 248 proc_a) (<= proc_a 248)), 62277#(and (<= proc_a 250) (<= 250 proc_a)), 62278#(and (<= 252 proc_a) (<= proc_a 252)), 62279#(and (<= 254 proc_a) (<= proc_a 254)), 62280#(and (<= proc_a 256) (<= 256 proc_a)), 62281#(and (<= 258 proc_a) (<= proc_a 258)), 62282#(and (<= proc_a 260) (<= 260 proc_a)), 62283#(and (<= 262 proc_a) (<= proc_a 262)), 62284#(and (<= proc_a 264) (<= 264 proc_a)), 62285#(and (<= 266 proc_a) (<= proc_a 266)), 62286#(and (<= proc_a 268) (<= 268 proc_a)), 62287#(and (<= proc_a 270) (<= 270 proc_a)), 62288#(and (<= proc_a 272) (<= 272 proc_a)), 62289#(and (<= proc_a 274) (<= 274 proc_a)), 62290#(and (<= proc_a 276) (<= 276 proc_a)), 62291#(and (<= proc_a 278) (<= 278 proc_a)), 62292#(and (<= proc_a 280) (<= 280 proc_a)), 62293#(and (<= proc_a 282) (<= 282 proc_a)), 62294#(and (<= proc_a 284) (<= 284 proc_a)), 62295#(and (<= proc_a 286) (<= 286 proc_a)), 62296#(and (<= proc_a 288) (<= 288 proc_a)), 62297#(and (<= proc_a 290) (<= 290 proc_a)), 62298#(and (<= proc_a 292) (<= 292 proc_a)), 62299#(and (<= 294 proc_a) (<= proc_a 294)), 62300#(and (<= 296 proc_a) (<= proc_a 296)), 62301#(and (<= 298 proc_a) (<= proc_a 298)), 62302#(and (<= proc_a 300) (<= 300 proc_a)), 62303#(and (<= proc_a 302) (<= 302 proc_a)), 62304#(and (<= proc_a 304) (<= 304 proc_a)), 62305#(and (<= 306 proc_a) (<= proc_a 306)), 62306#(and (<= 308 proc_a) (<= proc_a 308)), 62150#true, 62151#false, 62152#(and (<= proc_a 0) (<= 0 proc_a)), 62153#(and (<= 2 proc_a) (<= proc_a 2)), 62154#(and (<= 4 proc_a) (<= proc_a 4)), 62155#(and (<= 6 proc_a) (<= proc_a 6)), 62156#(and (<= proc_a 8) (<= 8 proc_a)), 62157#(and (<= 10 proc_a) (<= proc_a 10)), 62158#(and (<= proc_a 12) (<= 12 proc_a)), 62159#(and (<= 14 proc_a) (<= proc_a 14)), 62160#(and (<= proc_a 16) (<= 16 proc_a)), 62161#(and (<= 18 proc_a) (<= proc_a 18)), 62162#(and (<= 20 proc_a) (<= proc_a 20)), 62163#(and (<= 22 proc_a) (<= proc_a 22)), 62164#(and (<= 24 proc_a) (<= proc_a 24)), 62165#(and (<= 26 proc_a) (<= proc_a 26)), 62166#(and (<= proc_a 28) (<= 28 proc_a)), 62167#(and (<= proc_a 30) (<= 30 proc_a)), 62168#(and (<= 32 proc_a) (<= proc_a 32)), 62169#(and (<= 34 proc_a) (<= proc_a 34)), 62170#(and (<= 36 proc_a) (<= proc_a 36)), 62171#(and (<= 38 proc_a) (<= proc_a 38)), 62172#(and (<= 40 proc_a) (<= proc_a 40)), 62173#(and (<= proc_a 42) (<= 42 proc_a)), 62174#(and (<= proc_a 44) (<= 44 proc_a)), 62175#(and (<= proc_a 46) (<= 46 proc_a)), 62176#(and (<= 48 proc_a) (<= proc_a 48)), 62177#(and (<= 50 proc_a) (<= proc_a 50)), 62178#(and (<= 52 proc_a) (<= proc_a 52)), 62179#(and (<= 54 proc_a) (<= proc_a 54)), 62180#(and (<= proc_a 56) (<= 56 proc_a)), 62181#(and (<= proc_a 58) (<= 58 proc_a)), 62182#(and (<= 60 proc_a) (<= proc_a 60)), 62183#(and (<= 62 proc_a) (<= proc_a 62)), 62184#(and (<= 64 proc_a) (<= proc_a 64)), 62185#(and (<= 66 proc_a) (<= proc_a 66)), 62186#(and (<= 68 proc_a) (<= proc_a 68)), 62187#(and (<= proc_a 70) (<= 70 proc_a)), 62188#(and (<= 72 proc_a) (<= proc_a 72)), 62189#(and (<= proc_a 74) (<= 74 proc_a)), 62190#(and (<= proc_a 76) (<= 76 proc_a)), 62191#(and (<= 78 proc_a) (<= proc_a 78)), 62192#(and (<= proc_a 80) (<= 80 proc_a)), 62193#(and (<= 82 proc_a) (<= proc_a 82)), 62194#(and (<= proc_a 84) (<= 84 proc_a)), 62195#(and (<= 86 proc_a) (<= proc_a 86)), 62196#(and (<= 88 proc_a) (<= proc_a 88)), 62197#(and (<= proc_a 90) (<= 90 proc_a)), 62198#(and (<= 92 proc_a) (<= proc_a 92)), 62199#(and (<= proc_a 94) (<= 94 proc_a)), 62200#(and (<= proc_a 96) (<= 96 proc_a)), 62201#(and (<= 98 proc_a) (<= proc_a 98)), 62202#(and (<= proc_a 100) (<= 100 proc_a)), 62203#(and (<= 102 proc_a) (<= proc_a 102)), 62204#(and (<= proc_a 104) (<= 104 proc_a)), 62205#(and (<= 106 proc_a) (<= proc_a 106)), 62206#(and (<= proc_a 108) (<= 108 proc_a)), 62207#(and (<= proc_a 110) (<= 110 proc_a))] [2018-07-23 13:52:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 11935 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:52,885 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:52:52,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:52:52,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=24181, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:52:52,886 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 157 states. [2018-07-23 13:52:54,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:54,074 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:52:54,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:52:54,075 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 156 [2018-07-23 13:52:54,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:54,075 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:52:54,075 INFO L226 Difference]: Without dead ends: 158 [2018-07-23 13:52:54,076 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=311, Invalid=24181, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:52:54,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-07-23 13:52:54,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-07-23 13:52:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-07-23 13:52:54,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2018-07-23 13:52:54,081 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 156 [2018-07-23 13:52:54,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:54,081 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2018-07-23 13:52:54,081 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:52:54,081 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2018-07-23 13:52:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-07-23 13:52:54,081 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:54,081 INFO L357 BasicCegarLoop]: trace histogram [155, 1, 1] [2018-07-23 13:52:54,081 INFO L414 AbstractCegarLoop]: === Iteration 156 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:54,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1072857761, now seen corresponding path program 155 times [2018-07-23 13:52:54,082 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:55,050 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:55,050 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:52:55,050 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:55,051 INFO L185 omatonBuilderFactory]: Interpolants [62976#(and (<= 66 proc_a) (<= proc_a 66)), 62977#(and (<= 68 proc_a) (<= proc_a 68)), 62978#(and (<= proc_a 70) (<= 70 proc_a)), 62979#(and (<= 72 proc_a) (<= proc_a 72)), 62980#(and (<= proc_a 74) (<= 74 proc_a)), 62981#(and (<= proc_a 76) (<= 76 proc_a)), 62982#(and (<= 78 proc_a) (<= proc_a 78)), 62983#(and (<= proc_a 80) (<= 80 proc_a)), 62984#(and (<= 82 proc_a) (<= proc_a 82)), 62985#(and (<= proc_a 84) (<= 84 proc_a)), 62986#(and (<= 86 proc_a) (<= proc_a 86)), 62987#(and (<= 88 proc_a) (<= proc_a 88)), 62988#(and (<= proc_a 90) (<= 90 proc_a)), 62989#(and (<= 92 proc_a) (<= proc_a 92)), 62990#(and (<= proc_a 94) (<= 94 proc_a)), 62991#(and (<= proc_a 96) (<= 96 proc_a)), 62992#(and (<= 98 proc_a) (<= proc_a 98)), 62993#(and (<= proc_a 100) (<= 100 proc_a)), 62994#(and (<= 102 proc_a) (<= proc_a 102)), 62995#(and (<= proc_a 104) (<= 104 proc_a)), 62996#(and (<= 106 proc_a) (<= proc_a 106)), 62997#(and (<= proc_a 108) (<= 108 proc_a)), 62998#(and (<= proc_a 110) (<= 110 proc_a)), 62999#(and (<= proc_a 112) (<= 112 proc_a)), 63000#(and (<= 114 proc_a) (<= proc_a 114)), 63001#(and (<= 116 proc_a) (<= proc_a 116)), 63002#(and (<= proc_a 118) (<= 118 proc_a)), 63003#(and (<= 120 proc_a) (<= proc_a 120)), 63004#(and (<= proc_a 122) (<= 122 proc_a)), 63005#(and (<= proc_a 124) (<= 124 proc_a)), 63006#(and (<= proc_a 126) (<= 126 proc_a)), 63007#(and (<= 128 proc_a) (<= proc_a 128)), 63008#(and (<= proc_a 130) (<= 130 proc_a)), 63009#(and (<= 132 proc_a) (<= proc_a 132)), 63010#(and (<= proc_a 134) (<= 134 proc_a)), 63011#(and (<= proc_a 136) (<= 136 proc_a)), 63012#(and (<= proc_a 138) (<= 138 proc_a)), 63013#(and (<= proc_a 140) (<= 140 proc_a)), 63014#(and (<= 142 proc_a) (<= proc_a 142)), 63015#(and (<= 144 proc_a) (<= proc_a 144)), 63016#(and (<= proc_a 146) (<= 146 proc_a)), 63017#(and (<= 148 proc_a) (<= proc_a 148)), 63018#(and (<= proc_a 150) (<= 150 proc_a)), 63019#(and (<= proc_a 152) (<= 152 proc_a)), 63020#(and (<= 154 proc_a) (<= proc_a 154)), 63021#(and (<= 156 proc_a) (<= proc_a 156)), 63022#(and (<= proc_a 158) (<= 158 proc_a)), 63023#(and (<= 160 proc_a) (<= proc_a 160)), 63024#(and (<= proc_a 162) (<= 162 proc_a)), 63025#(and (<= 164 proc_a) (<= proc_a 164)), 63026#(and (<= 166 proc_a) (<= proc_a 166)), 63027#(and (<= 168 proc_a) (<= proc_a 168)), 63028#(and (<= 170 proc_a) (<= proc_a 170)), 63029#(and (<= 172 proc_a) (<= proc_a 172)), 63030#(and (<= proc_a 174) (<= 174 proc_a)), 63031#(and (<= 176 proc_a) (<= proc_a 176)), 63032#(and (<= 178 proc_a) (<= proc_a 178)), 63033#(and (<= proc_a 180) (<= 180 proc_a)), 63034#(and (<= proc_a 182) (<= 182 proc_a)), 63035#(and (<= 184 proc_a) (<= proc_a 184)), 63036#(and (<= 186 proc_a) (<= proc_a 186)), 63037#(and (<= 188 proc_a) (<= proc_a 188)), 63038#(and (<= 190 proc_a) (<= proc_a 190)), 63039#(and (<= proc_a 192) (<= 192 proc_a)), 63040#(and (<= 194 proc_a) (<= proc_a 194)), 63041#(and (<= proc_a 196) (<= 196 proc_a)), 63042#(and (<= 198 proc_a) (<= proc_a 198)), 63043#(and (<= proc_a 200) (<= 200 proc_a)), 63044#(and (<= proc_a 202) (<= 202 proc_a)), 63045#(and (<= 204 proc_a) (<= proc_a 204)), 63046#(and (<= 206 proc_a) (<= proc_a 206)), 63047#(and (<= 208 proc_a) (<= proc_a 208)), 63048#(and (<= proc_a 210) (<= 210 proc_a)), 63049#(and (<= proc_a 212) (<= 212 proc_a)), 63050#(and (<= 214 proc_a) (<= proc_a 214)), 63051#(and (<= 216 proc_a) (<= proc_a 216)), 63052#(and (<= proc_a 218) (<= 218 proc_a)), 63053#(and (<= proc_a 220) (<= 220 proc_a)), 63054#(and (<= 222 proc_a) (<= proc_a 222)), 63055#(and (<= 224 proc_a) (<= proc_a 224)), 63056#(and (<= proc_a 226) (<= 226 proc_a)), 63057#(and (<= 228 proc_a) (<= proc_a 228)), 63058#(and (<= proc_a 230) (<= 230 proc_a)), 63059#(and (<= 232 proc_a) (<= proc_a 232)), 63060#(and (<= proc_a 234) (<= 234 proc_a)), 63061#(and (<= proc_a 236) (<= 236 proc_a)), 63062#(and (<= 238 proc_a) (<= proc_a 238)), 63063#(and (<= 240 proc_a) (<= proc_a 240)), 63064#(and (<= proc_a 242) (<= 242 proc_a)), 63065#(and (<= proc_a 244) (<= 244 proc_a)), 63066#(and (<= proc_a 246) (<= 246 proc_a)), 63067#(and (<= 248 proc_a) (<= proc_a 248)), 63068#(and (<= proc_a 250) (<= 250 proc_a)), 63069#(and (<= 252 proc_a) (<= proc_a 252)), 63070#(and (<= 254 proc_a) (<= proc_a 254)), 63071#(and (<= proc_a 256) (<= 256 proc_a)), 63072#(and (<= 258 proc_a) (<= proc_a 258)), 63073#(and (<= proc_a 260) (<= 260 proc_a)), 63074#(and (<= 262 proc_a) (<= proc_a 262)), 63075#(and (<= proc_a 264) (<= 264 proc_a)), 63076#(and (<= 266 proc_a) (<= proc_a 266)), 63077#(and (<= proc_a 268) (<= 268 proc_a)), 63078#(and (<= proc_a 270) (<= 270 proc_a)), 63079#(and (<= proc_a 272) (<= 272 proc_a)), 63080#(and (<= proc_a 274) (<= 274 proc_a)), 63081#(and (<= proc_a 276) (<= 276 proc_a)), 63082#(and (<= proc_a 278) (<= 278 proc_a)), 63083#(and (<= proc_a 280) (<= 280 proc_a)), 63084#(and (<= proc_a 282) (<= 282 proc_a)), 63085#(and (<= proc_a 284) (<= 284 proc_a)), 63086#(and (<= proc_a 286) (<= 286 proc_a)), 63087#(and (<= proc_a 288) (<= 288 proc_a)), 63088#(and (<= proc_a 290) (<= 290 proc_a)), 63089#(and (<= proc_a 292) (<= 292 proc_a)), 63090#(and (<= 294 proc_a) (<= proc_a 294)), 63091#(and (<= 296 proc_a) (<= proc_a 296)), 63092#(and (<= 298 proc_a) (<= proc_a 298)), 63093#(and (<= proc_a 300) (<= 300 proc_a)), 63094#(and (<= proc_a 302) (<= 302 proc_a)), 63095#(and (<= proc_a 304) (<= 304 proc_a)), 63096#(and (<= 306 proc_a) (<= proc_a 306)), 63097#(and (<= 308 proc_a) (<= proc_a 308)), 63098#(and (<= proc_a 310) (<= 310 proc_a)), 62941#true, 62942#false, 62943#(and (<= proc_a 0) (<= 0 proc_a)), 62944#(and (<= 2 proc_a) (<= proc_a 2)), 62945#(and (<= 4 proc_a) (<= proc_a 4)), 62946#(and (<= 6 proc_a) (<= proc_a 6)), 62947#(and (<= proc_a 8) (<= 8 proc_a)), 62948#(and (<= 10 proc_a) (<= proc_a 10)), 62949#(and (<= proc_a 12) (<= 12 proc_a)), 62950#(and (<= 14 proc_a) (<= proc_a 14)), 62951#(and (<= proc_a 16) (<= 16 proc_a)), 62952#(and (<= 18 proc_a) (<= proc_a 18)), 62953#(and (<= 20 proc_a) (<= proc_a 20)), 62954#(and (<= 22 proc_a) (<= proc_a 22)), 62955#(and (<= 24 proc_a) (<= proc_a 24)), 62956#(and (<= 26 proc_a) (<= proc_a 26)), 62957#(and (<= proc_a 28) (<= 28 proc_a)), 62958#(and (<= proc_a 30) (<= 30 proc_a)), 62959#(and (<= 32 proc_a) (<= proc_a 32)), 62960#(and (<= 34 proc_a) (<= proc_a 34)), 62961#(and (<= 36 proc_a) (<= proc_a 36)), 62962#(and (<= 38 proc_a) (<= proc_a 38)), 62963#(and (<= 40 proc_a) (<= proc_a 40)), 62964#(and (<= proc_a 42) (<= 42 proc_a)), 62965#(and (<= proc_a 44) (<= 44 proc_a)), 62966#(and (<= proc_a 46) (<= 46 proc_a)), 62967#(and (<= 48 proc_a) (<= proc_a 48)), 62968#(and (<= 50 proc_a) (<= proc_a 50)), 62969#(and (<= 52 proc_a) (<= proc_a 52)), 62970#(and (<= 54 proc_a) (<= proc_a 54)), 62971#(and (<= proc_a 56) (<= 56 proc_a)), 62972#(and (<= proc_a 58) (<= 58 proc_a)), 62973#(and (<= 60 proc_a) (<= proc_a 60)), 62974#(and (<= 62 proc_a) (<= proc_a 62)), 62975#(and (<= 64 proc_a) (<= proc_a 64))] [2018-07-23 13:52:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:55,052 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:52:55,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:52:55,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=24493, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:52:55,053 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand 158 states. [2018-07-23 13:52:56,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:56,279 INFO L93 Difference]: Finished difference Result 160 states and 160 transitions. [2018-07-23 13:52:56,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:52:56,279 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 157 [2018-07-23 13:52:56,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:56,280 INFO L225 Difference]: With dead ends: 160 [2018-07-23 13:52:56,280 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:52:56,281 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=313, Invalid=24493, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:52:56,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:52:56,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:52:56,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:52:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:52:56,285 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 157 [2018-07-23 13:52:56,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:56,285 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:52:56,285 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:52:56,285 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:52:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:52:56,285 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:56,286 INFO L357 BasicCegarLoop]: trace histogram [156, 1, 1] [2018-07-23 13:52:56,286 INFO L414 AbstractCegarLoop]: === Iteration 157 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:56,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1101147833, now seen corresponding path program 156 times [2018-07-23 13:52:56,286 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12246 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:57,249 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:57,250 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:52:57,250 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:57,250 INFO L185 omatonBuilderFactory]: Interpolants [63744#(and (<= 10 proc_a) (<= proc_a 10)), 63745#(and (<= proc_a 12) (<= 12 proc_a)), 63746#(and (<= 14 proc_a) (<= proc_a 14)), 63747#(and (<= proc_a 16) (<= 16 proc_a)), 63748#(and (<= 18 proc_a) (<= proc_a 18)), 63749#(and (<= 20 proc_a) (<= proc_a 20)), 63750#(and (<= 22 proc_a) (<= proc_a 22)), 63751#(and (<= 24 proc_a) (<= proc_a 24)), 63752#(and (<= 26 proc_a) (<= proc_a 26)), 63753#(and (<= proc_a 28) (<= 28 proc_a)), 63754#(and (<= proc_a 30) (<= 30 proc_a)), 63755#(and (<= 32 proc_a) (<= proc_a 32)), 63756#(and (<= 34 proc_a) (<= proc_a 34)), 63757#(and (<= 36 proc_a) (<= proc_a 36)), 63758#(and (<= 38 proc_a) (<= proc_a 38)), 63759#(and (<= 40 proc_a) (<= proc_a 40)), 63760#(and (<= proc_a 42) (<= 42 proc_a)), 63761#(and (<= proc_a 44) (<= 44 proc_a)), 63762#(and (<= proc_a 46) (<= 46 proc_a)), 63763#(and (<= 48 proc_a) (<= proc_a 48)), 63764#(and (<= 50 proc_a) (<= proc_a 50)), 63765#(and (<= 52 proc_a) (<= proc_a 52)), 63766#(and (<= 54 proc_a) (<= proc_a 54)), 63767#(and (<= proc_a 56) (<= 56 proc_a)), 63768#(and (<= proc_a 58) (<= 58 proc_a)), 63769#(and (<= 60 proc_a) (<= proc_a 60)), 63770#(and (<= 62 proc_a) (<= proc_a 62)), 63771#(and (<= 64 proc_a) (<= proc_a 64)), 63772#(and (<= 66 proc_a) (<= proc_a 66)), 63773#(and (<= 68 proc_a) (<= proc_a 68)), 63774#(and (<= proc_a 70) (<= 70 proc_a)), 63775#(and (<= 72 proc_a) (<= proc_a 72)), 63776#(and (<= proc_a 74) (<= 74 proc_a)), 63777#(and (<= proc_a 76) (<= 76 proc_a)), 63778#(and (<= 78 proc_a) (<= proc_a 78)), 63779#(and (<= proc_a 80) (<= 80 proc_a)), 63780#(and (<= 82 proc_a) (<= proc_a 82)), 63781#(and (<= proc_a 84) (<= 84 proc_a)), 63782#(and (<= 86 proc_a) (<= proc_a 86)), 63783#(and (<= 88 proc_a) (<= proc_a 88)), 63784#(and (<= proc_a 90) (<= 90 proc_a)), 63785#(and (<= 92 proc_a) (<= proc_a 92)), 63786#(and (<= proc_a 94) (<= 94 proc_a)), 63787#(and (<= proc_a 96) (<= 96 proc_a)), 63788#(and (<= 98 proc_a) (<= proc_a 98)), 63789#(and (<= proc_a 100) (<= 100 proc_a)), 63790#(and (<= 102 proc_a) (<= proc_a 102)), 63791#(and (<= proc_a 104) (<= 104 proc_a)), 63792#(and (<= 106 proc_a) (<= proc_a 106)), 63793#(and (<= proc_a 108) (<= 108 proc_a)), 63794#(and (<= proc_a 110) (<= 110 proc_a)), 63795#(and (<= proc_a 112) (<= 112 proc_a)), 63796#(and (<= 114 proc_a) (<= proc_a 114)), 63797#(and (<= 116 proc_a) (<= proc_a 116)), 63798#(and (<= proc_a 118) (<= 118 proc_a)), 63799#(and (<= 120 proc_a) (<= proc_a 120)), 63800#(and (<= proc_a 122) (<= 122 proc_a)), 63801#(and (<= proc_a 124) (<= 124 proc_a)), 63802#(and (<= proc_a 126) (<= 126 proc_a)), 63803#(and (<= 128 proc_a) (<= proc_a 128)), 63804#(and (<= proc_a 130) (<= 130 proc_a)), 63805#(and (<= 132 proc_a) (<= proc_a 132)), 63806#(and (<= proc_a 134) (<= 134 proc_a)), 63807#(and (<= proc_a 136) (<= 136 proc_a)), 63808#(and (<= proc_a 138) (<= 138 proc_a)), 63809#(and (<= proc_a 140) (<= 140 proc_a)), 63810#(and (<= 142 proc_a) (<= proc_a 142)), 63811#(and (<= 144 proc_a) (<= proc_a 144)), 63812#(and (<= proc_a 146) (<= 146 proc_a)), 63813#(and (<= 148 proc_a) (<= proc_a 148)), 63814#(and (<= proc_a 150) (<= 150 proc_a)), 63815#(and (<= proc_a 152) (<= 152 proc_a)), 63816#(and (<= 154 proc_a) (<= proc_a 154)), 63817#(and (<= 156 proc_a) (<= proc_a 156)), 63818#(and (<= proc_a 158) (<= 158 proc_a)), 63819#(and (<= 160 proc_a) (<= proc_a 160)), 63820#(and (<= proc_a 162) (<= 162 proc_a)), 63821#(and (<= 164 proc_a) (<= proc_a 164)), 63822#(and (<= 166 proc_a) (<= proc_a 166)), 63823#(and (<= 168 proc_a) (<= proc_a 168)), 63824#(and (<= 170 proc_a) (<= proc_a 170)), 63825#(and (<= 172 proc_a) (<= proc_a 172)), 63826#(and (<= proc_a 174) (<= 174 proc_a)), 63827#(and (<= 176 proc_a) (<= proc_a 176)), 63828#(and (<= 178 proc_a) (<= proc_a 178)), 63829#(and (<= proc_a 180) (<= 180 proc_a)), 63830#(and (<= proc_a 182) (<= 182 proc_a)), 63831#(and (<= 184 proc_a) (<= proc_a 184)), 63832#(and (<= 186 proc_a) (<= proc_a 186)), 63833#(and (<= 188 proc_a) (<= proc_a 188)), 63834#(and (<= 190 proc_a) (<= proc_a 190)), 63835#(and (<= proc_a 192) (<= 192 proc_a)), 63836#(and (<= 194 proc_a) (<= proc_a 194)), 63837#(and (<= proc_a 196) (<= 196 proc_a)), 63838#(and (<= 198 proc_a) (<= proc_a 198)), 63839#(and (<= proc_a 200) (<= 200 proc_a)), 63840#(and (<= proc_a 202) (<= 202 proc_a)), 63841#(and (<= 204 proc_a) (<= proc_a 204)), 63842#(and (<= 206 proc_a) (<= proc_a 206)), 63843#(and (<= 208 proc_a) (<= proc_a 208)), 63844#(and (<= proc_a 210) (<= 210 proc_a)), 63845#(and (<= proc_a 212) (<= 212 proc_a)), 63846#(and (<= 214 proc_a) (<= proc_a 214)), 63847#(and (<= 216 proc_a) (<= proc_a 216)), 63848#(and (<= proc_a 218) (<= 218 proc_a)), 63849#(and (<= proc_a 220) (<= 220 proc_a)), 63850#(and (<= 222 proc_a) (<= proc_a 222)), 63851#(and (<= 224 proc_a) (<= proc_a 224)), 63852#(and (<= proc_a 226) (<= 226 proc_a)), 63853#(and (<= 228 proc_a) (<= proc_a 228)), 63854#(and (<= proc_a 230) (<= 230 proc_a)), 63855#(and (<= 232 proc_a) (<= proc_a 232)), 63856#(and (<= proc_a 234) (<= 234 proc_a)), 63857#(and (<= proc_a 236) (<= 236 proc_a)), 63858#(and (<= 238 proc_a) (<= proc_a 238)), 63859#(and (<= 240 proc_a) (<= proc_a 240)), 63860#(and (<= proc_a 242) (<= 242 proc_a)), 63861#(and (<= proc_a 244) (<= 244 proc_a)), 63862#(and (<= proc_a 246) (<= 246 proc_a)), 63863#(and (<= 248 proc_a) (<= proc_a 248)), 63864#(and (<= proc_a 250) (<= 250 proc_a)), 63865#(and (<= 252 proc_a) (<= proc_a 252)), 63866#(and (<= 254 proc_a) (<= proc_a 254)), 63867#(and (<= proc_a 256) (<= 256 proc_a)), 63868#(and (<= 258 proc_a) (<= proc_a 258)), 63869#(and (<= proc_a 260) (<= 260 proc_a)), 63870#(and (<= 262 proc_a) (<= proc_a 262)), 63871#(and (<= proc_a 264) (<= 264 proc_a)), 63872#(and (<= 266 proc_a) (<= proc_a 266)), 63873#(and (<= proc_a 268) (<= 268 proc_a)), 63874#(and (<= proc_a 270) (<= 270 proc_a)), 63875#(and (<= proc_a 272) (<= 272 proc_a)), 63876#(and (<= proc_a 274) (<= 274 proc_a)), 63877#(and (<= proc_a 276) (<= 276 proc_a)), 63878#(and (<= proc_a 278) (<= 278 proc_a)), 63879#(and (<= proc_a 280) (<= 280 proc_a)), 63880#(and (<= proc_a 282) (<= 282 proc_a)), 63881#(and (<= proc_a 284) (<= 284 proc_a)), 63882#(and (<= proc_a 286) (<= 286 proc_a)), 63883#(and (<= proc_a 288) (<= 288 proc_a)), 63884#(and (<= proc_a 290) (<= 290 proc_a)), 63885#(and (<= proc_a 292) (<= 292 proc_a)), 63886#(and (<= 294 proc_a) (<= proc_a 294)), 63887#(and (<= 296 proc_a) (<= proc_a 296)), 63888#(and (<= 298 proc_a) (<= proc_a 298)), 63889#(and (<= proc_a 300) (<= 300 proc_a)), 63890#(and (<= proc_a 302) (<= 302 proc_a)), 63891#(and (<= proc_a 304) (<= 304 proc_a)), 63892#(and (<= 306 proc_a) (<= proc_a 306)), 63893#(and (<= 308 proc_a) (<= proc_a 308)), 63894#(and (<= proc_a 310) (<= 310 proc_a)), 63895#(and (<= proc_a 312) (<= 312 proc_a)), 63737#true, 63738#false, 63739#(and (<= proc_a 0) (<= 0 proc_a)), 63740#(and (<= 2 proc_a) (<= proc_a 2)), 63741#(and (<= 4 proc_a) (<= proc_a 4)), 63742#(and (<= 6 proc_a) (<= proc_a 6)), 63743#(and (<= proc_a 8) (<= 8 proc_a))] [2018-07-23 13:52:57,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12246 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:57,251 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:52:57,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:52:57,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=24807, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:52:57,252 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 159 states. [2018-07-23 13:52:58,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:58,506 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:52:58,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:52:58,506 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 158 [2018-07-23 13:52:58,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:58,507 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:52:58,507 INFO L226 Difference]: Without dead ends: 160 [2018-07-23 13:52:58,508 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=315, Invalid=24807, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:52:58,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-07-23 13:52:58,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-07-23 13:52:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-07-23 13:52:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 160 transitions. [2018-07-23 13:52:58,513 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 160 transitions. Word has length 158 [2018-07-23 13:52:58,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:58,513 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 160 transitions. [2018-07-23 13:52:58,513 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:52:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 160 transitions. [2018-07-23 13:52:58,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-23 13:52:58,513 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:58,513 INFO L357 BasicCegarLoop]: trace histogram [157, 1, 1] [2018-07-23 13:52:58,514 INFO L414 AbstractCegarLoop]: === Iteration 158 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:52:58,514 INFO L82 PathProgramCache]: Analyzing trace with hash 224155489, now seen corresponding path program 157 times [2018-07-23 13:52:58,514 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:59,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12403 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:59,515 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:59,515 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:52:59,516 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:59,516 INFO L185 omatonBuilderFactory]: Interpolants [64538#true, 64539#false, 64540#(and (<= proc_a 0) (<= 0 proc_a)), 64541#(and (<= 2 proc_a) (<= proc_a 2)), 64542#(and (<= 4 proc_a) (<= proc_a 4)), 64543#(and (<= 6 proc_a) (<= proc_a 6)), 64544#(and (<= proc_a 8) (<= 8 proc_a)), 64545#(and (<= 10 proc_a) (<= proc_a 10)), 64546#(and (<= proc_a 12) (<= 12 proc_a)), 64547#(and (<= 14 proc_a) (<= proc_a 14)), 64548#(and (<= proc_a 16) (<= 16 proc_a)), 64549#(and (<= 18 proc_a) (<= proc_a 18)), 64550#(and (<= 20 proc_a) (<= proc_a 20)), 64551#(and (<= 22 proc_a) (<= proc_a 22)), 64552#(and (<= 24 proc_a) (<= proc_a 24)), 64553#(and (<= 26 proc_a) (<= proc_a 26)), 64554#(and (<= proc_a 28) (<= 28 proc_a)), 64555#(and (<= proc_a 30) (<= 30 proc_a)), 64556#(and (<= 32 proc_a) (<= proc_a 32)), 64557#(and (<= 34 proc_a) (<= proc_a 34)), 64558#(and (<= 36 proc_a) (<= proc_a 36)), 64559#(and (<= 38 proc_a) (<= proc_a 38)), 64560#(and (<= 40 proc_a) (<= proc_a 40)), 64561#(and (<= proc_a 42) (<= 42 proc_a)), 64562#(and (<= proc_a 44) (<= 44 proc_a)), 64563#(and (<= proc_a 46) (<= 46 proc_a)), 64564#(and (<= 48 proc_a) (<= proc_a 48)), 64565#(and (<= 50 proc_a) (<= proc_a 50)), 64566#(and (<= 52 proc_a) (<= proc_a 52)), 64567#(and (<= 54 proc_a) (<= proc_a 54)), 64568#(and (<= proc_a 56) (<= 56 proc_a)), 64569#(and (<= proc_a 58) (<= 58 proc_a)), 64570#(and (<= 60 proc_a) (<= proc_a 60)), 64571#(and (<= 62 proc_a) (<= proc_a 62)), 64572#(and (<= 64 proc_a) (<= proc_a 64)), 64573#(and (<= 66 proc_a) (<= proc_a 66)), 64574#(and (<= 68 proc_a) (<= proc_a 68)), 64575#(and (<= proc_a 70) (<= 70 proc_a)), 64576#(and (<= 72 proc_a) (<= proc_a 72)), 64577#(and (<= proc_a 74) (<= 74 proc_a)), 64578#(and (<= proc_a 76) (<= 76 proc_a)), 64579#(and (<= 78 proc_a) (<= proc_a 78)), 64580#(and (<= proc_a 80) (<= 80 proc_a)), 64581#(and (<= 82 proc_a) (<= proc_a 82)), 64582#(and (<= proc_a 84) (<= 84 proc_a)), 64583#(and (<= 86 proc_a) (<= proc_a 86)), 64584#(and (<= 88 proc_a) (<= proc_a 88)), 64585#(and (<= proc_a 90) (<= 90 proc_a)), 64586#(and (<= 92 proc_a) (<= proc_a 92)), 64587#(and (<= proc_a 94) (<= 94 proc_a)), 64588#(and (<= proc_a 96) (<= 96 proc_a)), 64589#(and (<= 98 proc_a) (<= proc_a 98)), 64590#(and (<= proc_a 100) (<= 100 proc_a)), 64591#(and (<= 102 proc_a) (<= proc_a 102)), 64592#(and (<= proc_a 104) (<= 104 proc_a)), 64593#(and (<= 106 proc_a) (<= proc_a 106)), 64594#(and (<= proc_a 108) (<= 108 proc_a)), 64595#(and (<= proc_a 110) (<= 110 proc_a)), 64596#(and (<= proc_a 112) (<= 112 proc_a)), 64597#(and (<= 114 proc_a) (<= proc_a 114)), 64598#(and (<= 116 proc_a) (<= proc_a 116)), 64599#(and (<= proc_a 118) (<= 118 proc_a)), 64600#(and (<= 120 proc_a) (<= proc_a 120)), 64601#(and (<= proc_a 122) (<= 122 proc_a)), 64602#(and (<= proc_a 124) (<= 124 proc_a)), 64603#(and (<= proc_a 126) (<= 126 proc_a)), 64604#(and (<= 128 proc_a) (<= proc_a 128)), 64605#(and (<= proc_a 130) (<= 130 proc_a)), 64606#(and (<= 132 proc_a) (<= proc_a 132)), 64607#(and (<= proc_a 134) (<= 134 proc_a)), 64608#(and (<= proc_a 136) (<= 136 proc_a)), 64609#(and (<= proc_a 138) (<= 138 proc_a)), 64610#(and (<= proc_a 140) (<= 140 proc_a)), 64611#(and (<= 142 proc_a) (<= proc_a 142)), 64612#(and (<= 144 proc_a) (<= proc_a 144)), 64613#(and (<= proc_a 146) (<= 146 proc_a)), 64614#(and (<= 148 proc_a) (<= proc_a 148)), 64615#(and (<= proc_a 150) (<= 150 proc_a)), 64616#(and (<= proc_a 152) (<= 152 proc_a)), 64617#(and (<= 154 proc_a) (<= proc_a 154)), 64618#(and (<= 156 proc_a) (<= proc_a 156)), 64619#(and (<= proc_a 158) (<= 158 proc_a)), 64620#(and (<= 160 proc_a) (<= proc_a 160)), 64621#(and (<= proc_a 162) (<= 162 proc_a)), 64622#(and (<= 164 proc_a) (<= proc_a 164)), 64623#(and (<= 166 proc_a) (<= proc_a 166)), 64624#(and (<= 168 proc_a) (<= proc_a 168)), 64625#(and (<= 170 proc_a) (<= proc_a 170)), 64626#(and (<= 172 proc_a) (<= proc_a 172)), 64627#(and (<= proc_a 174) (<= 174 proc_a)), 64628#(and (<= 176 proc_a) (<= proc_a 176)), 64629#(and (<= 178 proc_a) (<= proc_a 178)), 64630#(and (<= proc_a 180) (<= 180 proc_a)), 64631#(and (<= proc_a 182) (<= 182 proc_a)), 64632#(and (<= 184 proc_a) (<= proc_a 184)), 64633#(and (<= 186 proc_a) (<= proc_a 186)), 64634#(and (<= 188 proc_a) (<= proc_a 188)), 64635#(and (<= 190 proc_a) (<= proc_a 190)), 64636#(and (<= proc_a 192) (<= 192 proc_a)), 64637#(and (<= 194 proc_a) (<= proc_a 194)), 64638#(and (<= proc_a 196) (<= 196 proc_a)), 64639#(and (<= 198 proc_a) (<= proc_a 198)), 64640#(and (<= proc_a 200) (<= 200 proc_a)), 64641#(and (<= proc_a 202) (<= 202 proc_a)), 64642#(and (<= 204 proc_a) (<= proc_a 204)), 64643#(and (<= 206 proc_a) (<= proc_a 206)), 64644#(and (<= 208 proc_a) (<= proc_a 208)), 64645#(and (<= proc_a 210) (<= 210 proc_a)), 64646#(and (<= proc_a 212) (<= 212 proc_a)), 64647#(and (<= 214 proc_a) (<= proc_a 214)), 64648#(and (<= 216 proc_a) (<= proc_a 216)), 64649#(and (<= proc_a 218) (<= 218 proc_a)), 64650#(and (<= proc_a 220) (<= 220 proc_a)), 64651#(and (<= 222 proc_a) (<= proc_a 222)), 64652#(and (<= 224 proc_a) (<= proc_a 224)), 64653#(and (<= proc_a 226) (<= 226 proc_a)), 64654#(and (<= 228 proc_a) (<= proc_a 228)), 64655#(and (<= proc_a 230) (<= 230 proc_a)), 64656#(and (<= 232 proc_a) (<= proc_a 232)), 64657#(and (<= proc_a 234) (<= 234 proc_a)), 64658#(and (<= proc_a 236) (<= 236 proc_a)), 64659#(and (<= 238 proc_a) (<= proc_a 238)), 64660#(and (<= 240 proc_a) (<= proc_a 240)), 64661#(and (<= proc_a 242) (<= 242 proc_a)), 64662#(and (<= proc_a 244) (<= 244 proc_a)), 64663#(and (<= proc_a 246) (<= 246 proc_a)), 64664#(and (<= 248 proc_a) (<= proc_a 248)), 64665#(and (<= proc_a 250) (<= 250 proc_a)), 64666#(and (<= 252 proc_a) (<= proc_a 252)), 64667#(and (<= 254 proc_a) (<= proc_a 254)), 64668#(and (<= proc_a 256) (<= 256 proc_a)), 64669#(and (<= 258 proc_a) (<= proc_a 258)), 64670#(and (<= proc_a 260) (<= 260 proc_a)), 64671#(and (<= 262 proc_a) (<= proc_a 262)), 64672#(and (<= proc_a 264) (<= 264 proc_a)), 64673#(and (<= 266 proc_a) (<= proc_a 266)), 64674#(and (<= proc_a 268) (<= 268 proc_a)), 64675#(and (<= proc_a 270) (<= 270 proc_a)), 64676#(and (<= proc_a 272) (<= 272 proc_a)), 64677#(and (<= proc_a 274) (<= 274 proc_a)), 64678#(and (<= proc_a 276) (<= 276 proc_a)), 64679#(and (<= proc_a 278) (<= 278 proc_a)), 64680#(and (<= proc_a 280) (<= 280 proc_a)), 64681#(and (<= proc_a 282) (<= 282 proc_a)), 64682#(and (<= proc_a 284) (<= 284 proc_a)), 64683#(and (<= proc_a 286) (<= 286 proc_a)), 64684#(and (<= proc_a 288) (<= 288 proc_a)), 64685#(and (<= proc_a 290) (<= 290 proc_a)), 64686#(and (<= proc_a 292) (<= 292 proc_a)), 64687#(and (<= 294 proc_a) (<= proc_a 294)), 64688#(and (<= 296 proc_a) (<= proc_a 296)), 64689#(and (<= 298 proc_a) (<= proc_a 298)), 64690#(and (<= proc_a 300) (<= 300 proc_a)), 64691#(and (<= proc_a 302) (<= 302 proc_a)), 64692#(and (<= proc_a 304) (<= 304 proc_a)), 64693#(and (<= 306 proc_a) (<= proc_a 306)), 64694#(and (<= 308 proc_a) (<= proc_a 308)), 64695#(and (<= proc_a 310) (<= 310 proc_a)), 64696#(and (<= proc_a 312) (<= 312 proc_a)), 64697#(and (<= proc_a 314) (<= 314 proc_a))] [2018-07-23 13:52:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12403 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:59,517 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:52:59,518 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:52:59,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=25123, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:52:59,518 INFO L87 Difference]: Start difference. First operand 160 states and 160 transitions. Second operand 160 states. [2018-07-23 13:53:00,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:00,749 INFO L93 Difference]: Finished difference Result 162 states and 162 transitions. [2018-07-23 13:53:00,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:53:00,749 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 159 [2018-07-23 13:53:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:00,749 INFO L225 Difference]: With dead ends: 162 [2018-07-23 13:53:00,750 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:53:00,751 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=317, Invalid=25123, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:53:00,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:53:00,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:53:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:53:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:53:00,755 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 159 [2018-07-23 13:53:00,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:00,755 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:53:00,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:53:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:53:00,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:53:00,755 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:00,756 INFO L357 BasicCegarLoop]: trace histogram [158, 1, 1] [2018-07-23 13:53:00,756 INFO L414 AbstractCegarLoop]: === Iteration 159 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:00,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1641114489, now seen corresponding path program 158 times [2018-07-23 13:53:00,756 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12561 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:01,752 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:01,752 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:53:01,752 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:01,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:01,753 INFO L185 omatonBuilderFactory]: Interpolants [65344#true, 65345#false, 65346#(and (<= proc_a 0) (<= 0 proc_a)), 65347#(and (<= 2 proc_a) (<= proc_a 2)), 65348#(and (<= 4 proc_a) (<= proc_a 4)), 65349#(and (<= 6 proc_a) (<= proc_a 6)), 65350#(and (<= proc_a 8) (<= 8 proc_a)), 65351#(and (<= 10 proc_a) (<= proc_a 10)), 65352#(and (<= proc_a 12) (<= 12 proc_a)), 65353#(and (<= 14 proc_a) (<= proc_a 14)), 65354#(and (<= proc_a 16) (<= 16 proc_a)), 65355#(and (<= 18 proc_a) (<= proc_a 18)), 65356#(and (<= 20 proc_a) (<= proc_a 20)), 65357#(and (<= 22 proc_a) (<= proc_a 22)), 65358#(and (<= 24 proc_a) (<= proc_a 24)), 65359#(and (<= 26 proc_a) (<= proc_a 26)), 65360#(and (<= proc_a 28) (<= 28 proc_a)), 65361#(and (<= proc_a 30) (<= 30 proc_a)), 65362#(and (<= 32 proc_a) (<= proc_a 32)), 65363#(and (<= 34 proc_a) (<= proc_a 34)), 65364#(and (<= 36 proc_a) (<= proc_a 36)), 65365#(and (<= 38 proc_a) (<= proc_a 38)), 65366#(and (<= 40 proc_a) (<= proc_a 40)), 65367#(and (<= proc_a 42) (<= 42 proc_a)), 65368#(and (<= proc_a 44) (<= 44 proc_a)), 65369#(and (<= proc_a 46) (<= 46 proc_a)), 65370#(and (<= 48 proc_a) (<= proc_a 48)), 65371#(and (<= 50 proc_a) (<= proc_a 50)), 65372#(and (<= 52 proc_a) (<= proc_a 52)), 65373#(and (<= 54 proc_a) (<= proc_a 54)), 65374#(and (<= proc_a 56) (<= 56 proc_a)), 65375#(and (<= proc_a 58) (<= 58 proc_a)), 65376#(and (<= 60 proc_a) (<= proc_a 60)), 65377#(and (<= 62 proc_a) (<= proc_a 62)), 65378#(and (<= 64 proc_a) (<= proc_a 64)), 65379#(and (<= 66 proc_a) (<= proc_a 66)), 65380#(and (<= 68 proc_a) (<= proc_a 68)), 65381#(and (<= proc_a 70) (<= 70 proc_a)), 65382#(and (<= 72 proc_a) (<= proc_a 72)), 65383#(and (<= proc_a 74) (<= 74 proc_a)), 65384#(and (<= proc_a 76) (<= 76 proc_a)), 65385#(and (<= 78 proc_a) (<= proc_a 78)), 65386#(and (<= proc_a 80) (<= 80 proc_a)), 65387#(and (<= 82 proc_a) (<= proc_a 82)), 65388#(and (<= proc_a 84) (<= 84 proc_a)), 65389#(and (<= 86 proc_a) (<= proc_a 86)), 65390#(and (<= 88 proc_a) (<= proc_a 88)), 65391#(and (<= proc_a 90) (<= 90 proc_a)), 65392#(and (<= 92 proc_a) (<= proc_a 92)), 65393#(and (<= proc_a 94) (<= 94 proc_a)), 65394#(and (<= proc_a 96) (<= 96 proc_a)), 65395#(and (<= 98 proc_a) (<= proc_a 98)), 65396#(and (<= proc_a 100) (<= 100 proc_a)), 65397#(and (<= 102 proc_a) (<= proc_a 102)), 65398#(and (<= proc_a 104) (<= 104 proc_a)), 65399#(and (<= 106 proc_a) (<= proc_a 106)), 65400#(and (<= proc_a 108) (<= 108 proc_a)), 65401#(and (<= proc_a 110) (<= 110 proc_a)), 65402#(and (<= proc_a 112) (<= 112 proc_a)), 65403#(and (<= 114 proc_a) (<= proc_a 114)), 65404#(and (<= 116 proc_a) (<= proc_a 116)), 65405#(and (<= proc_a 118) (<= 118 proc_a)), 65406#(and (<= 120 proc_a) (<= proc_a 120)), 65407#(and (<= proc_a 122) (<= 122 proc_a)), 65408#(and (<= proc_a 124) (<= 124 proc_a)), 65409#(and (<= proc_a 126) (<= 126 proc_a)), 65410#(and (<= 128 proc_a) (<= proc_a 128)), 65411#(and (<= proc_a 130) (<= 130 proc_a)), 65412#(and (<= 132 proc_a) (<= proc_a 132)), 65413#(and (<= proc_a 134) (<= 134 proc_a)), 65414#(and (<= proc_a 136) (<= 136 proc_a)), 65415#(and (<= proc_a 138) (<= 138 proc_a)), 65416#(and (<= proc_a 140) (<= 140 proc_a)), 65417#(and (<= 142 proc_a) (<= proc_a 142)), 65418#(and (<= 144 proc_a) (<= proc_a 144)), 65419#(and (<= proc_a 146) (<= 146 proc_a)), 65420#(and (<= 148 proc_a) (<= proc_a 148)), 65421#(and (<= proc_a 150) (<= 150 proc_a)), 65422#(and (<= proc_a 152) (<= 152 proc_a)), 65423#(and (<= 154 proc_a) (<= proc_a 154)), 65424#(and (<= 156 proc_a) (<= proc_a 156)), 65425#(and (<= proc_a 158) (<= 158 proc_a)), 65426#(and (<= 160 proc_a) (<= proc_a 160)), 65427#(and (<= proc_a 162) (<= 162 proc_a)), 65428#(and (<= 164 proc_a) (<= proc_a 164)), 65429#(and (<= 166 proc_a) (<= proc_a 166)), 65430#(and (<= 168 proc_a) (<= proc_a 168)), 65431#(and (<= 170 proc_a) (<= proc_a 170)), 65432#(and (<= 172 proc_a) (<= proc_a 172)), 65433#(and (<= proc_a 174) (<= 174 proc_a)), 65434#(and (<= 176 proc_a) (<= proc_a 176)), 65435#(and (<= 178 proc_a) (<= proc_a 178)), 65436#(and (<= proc_a 180) (<= 180 proc_a)), 65437#(and (<= proc_a 182) (<= 182 proc_a)), 65438#(and (<= 184 proc_a) (<= proc_a 184)), 65439#(and (<= 186 proc_a) (<= proc_a 186)), 65440#(and (<= 188 proc_a) (<= proc_a 188)), 65441#(and (<= 190 proc_a) (<= proc_a 190)), 65442#(and (<= proc_a 192) (<= 192 proc_a)), 65443#(and (<= 194 proc_a) (<= proc_a 194)), 65444#(and (<= proc_a 196) (<= 196 proc_a)), 65445#(and (<= 198 proc_a) (<= proc_a 198)), 65446#(and (<= proc_a 200) (<= 200 proc_a)), 65447#(and (<= proc_a 202) (<= 202 proc_a)), 65448#(and (<= 204 proc_a) (<= proc_a 204)), 65449#(and (<= 206 proc_a) (<= proc_a 206)), 65450#(and (<= 208 proc_a) (<= proc_a 208)), 65451#(and (<= proc_a 210) (<= 210 proc_a)), 65452#(and (<= proc_a 212) (<= 212 proc_a)), 65453#(and (<= 214 proc_a) (<= proc_a 214)), 65454#(and (<= 216 proc_a) (<= proc_a 216)), 65455#(and (<= proc_a 218) (<= 218 proc_a)), 65456#(and (<= proc_a 220) (<= 220 proc_a)), 65457#(and (<= 222 proc_a) (<= proc_a 222)), 65458#(and (<= 224 proc_a) (<= proc_a 224)), 65459#(and (<= proc_a 226) (<= 226 proc_a)), 65460#(and (<= 228 proc_a) (<= proc_a 228)), 65461#(and (<= proc_a 230) (<= 230 proc_a)), 65462#(and (<= 232 proc_a) (<= proc_a 232)), 65463#(and (<= proc_a 234) (<= 234 proc_a)), 65464#(and (<= proc_a 236) (<= 236 proc_a)), 65465#(and (<= 238 proc_a) (<= proc_a 238)), 65466#(and (<= 240 proc_a) (<= proc_a 240)), 65467#(and (<= proc_a 242) (<= 242 proc_a)), 65468#(and (<= proc_a 244) (<= 244 proc_a)), 65469#(and (<= proc_a 246) (<= 246 proc_a)), 65470#(and (<= 248 proc_a) (<= proc_a 248)), 65471#(and (<= proc_a 250) (<= 250 proc_a)), 65472#(and (<= 252 proc_a) (<= proc_a 252)), 65473#(and (<= 254 proc_a) (<= proc_a 254)), 65474#(and (<= proc_a 256) (<= 256 proc_a)), 65475#(and (<= 258 proc_a) (<= proc_a 258)), 65476#(and (<= proc_a 260) (<= 260 proc_a)), 65477#(and (<= 262 proc_a) (<= proc_a 262)), 65478#(and (<= proc_a 264) (<= 264 proc_a)), 65479#(and (<= 266 proc_a) (<= proc_a 266)), 65480#(and (<= proc_a 268) (<= 268 proc_a)), 65481#(and (<= proc_a 270) (<= 270 proc_a)), 65482#(and (<= proc_a 272) (<= 272 proc_a)), 65483#(and (<= proc_a 274) (<= 274 proc_a)), 65484#(and (<= proc_a 276) (<= 276 proc_a)), 65485#(and (<= proc_a 278) (<= 278 proc_a)), 65486#(and (<= proc_a 280) (<= 280 proc_a)), 65487#(and (<= proc_a 282) (<= 282 proc_a)), 65488#(and (<= proc_a 284) (<= 284 proc_a)), 65489#(and (<= proc_a 286) (<= 286 proc_a)), 65490#(and (<= proc_a 288) (<= 288 proc_a)), 65491#(and (<= proc_a 290) (<= 290 proc_a)), 65492#(and (<= proc_a 292) (<= 292 proc_a)), 65493#(and (<= 294 proc_a) (<= proc_a 294)), 65494#(and (<= 296 proc_a) (<= proc_a 296)), 65495#(and (<= 298 proc_a) (<= proc_a 298)), 65496#(and (<= proc_a 300) (<= 300 proc_a)), 65497#(and (<= proc_a 302) (<= 302 proc_a)), 65498#(and (<= proc_a 304) (<= 304 proc_a)), 65499#(and (<= 306 proc_a) (<= proc_a 306)), 65500#(and (<= 308 proc_a) (<= proc_a 308)), 65501#(and (<= proc_a 310) (<= 310 proc_a)), 65502#(and (<= proc_a 312) (<= 312 proc_a)), 65503#(and (<= proc_a 314) (<= 314 proc_a)), 65504#(and (<= 316 proc_a) (<= proc_a 316))] [2018-07-23 13:53:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12561 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:01,754 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:53:01,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:53:01,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=25441, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:53:01,755 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 161 states. [2018-07-23 13:53:03,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:03,056 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:53:03,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:53:03,056 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 160 [2018-07-23 13:53:03,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:03,056 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:53:03,056 INFO L226 Difference]: Without dead ends: 162 [2018-07-23 13:53:03,057 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=319, Invalid=25441, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:53:03,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-07-23 13:53:03,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-07-23 13:53:03,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-07-23 13:53:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2018-07-23 13:53:03,061 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 160 [2018-07-23 13:53:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:03,062 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2018-07-23 13:53:03,062 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:53:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2018-07-23 13:53:03,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-07-23 13:53:03,062 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:03,062 INFO L357 BasicCegarLoop]: trace histogram [159, 1, 1] [2018-07-23 13:53:03,063 INFO L414 AbstractCegarLoop]: === Iteration 160 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:03,063 INFO L82 PathProgramCache]: Analyzing trace with hash 665058337, now seen corresponding path program 159 times [2018-07-23 13:53:03,063 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:04,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12720 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:04,073 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:04,073 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:53:04,073 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:04,074 INFO L185 omatonBuilderFactory]: Interpolants [66305#(and (<= 296 proc_a) (<= proc_a 296)), 66304#(and (<= 294 proc_a) (<= proc_a 294)), 66307#(and (<= proc_a 300) (<= 300 proc_a)), 66306#(and (<= 298 proc_a) (<= proc_a 298)), 66309#(and (<= proc_a 304) (<= 304 proc_a)), 66308#(and (<= proc_a 302) (<= 302 proc_a)), 66311#(and (<= 308 proc_a) (<= proc_a 308)), 66310#(and (<= 306 proc_a) (<= proc_a 306)), 66313#(and (<= proc_a 312) (<= 312 proc_a)), 66312#(and (<= proc_a 310) (<= 310 proc_a)), 66315#(and (<= 316 proc_a) (<= proc_a 316)), 66314#(and (<= proc_a 314) (<= 314 proc_a)), 66316#(and (<= 318 proc_a) (<= proc_a 318)), 66155#true, 66157#(and (<= proc_a 0) (<= 0 proc_a)), 66156#false, 66159#(and (<= 4 proc_a) (<= proc_a 4)), 66158#(and (<= 2 proc_a) (<= proc_a 2)), 66161#(and (<= proc_a 8) (<= 8 proc_a)), 66160#(and (<= 6 proc_a) (<= proc_a 6)), 66163#(and (<= proc_a 12) (<= 12 proc_a)), 66162#(and (<= 10 proc_a) (<= proc_a 10)), 66165#(and (<= proc_a 16) (<= 16 proc_a)), 66164#(and (<= 14 proc_a) (<= proc_a 14)), 66167#(and (<= 20 proc_a) (<= proc_a 20)), 66166#(and (<= 18 proc_a) (<= proc_a 18)), 66169#(and (<= 24 proc_a) (<= proc_a 24)), 66168#(and (<= 22 proc_a) (<= proc_a 22)), 66171#(and (<= proc_a 28) (<= 28 proc_a)), 66170#(and (<= 26 proc_a) (<= proc_a 26)), 66173#(and (<= 32 proc_a) (<= proc_a 32)), 66172#(and (<= proc_a 30) (<= 30 proc_a)), 66175#(and (<= 36 proc_a) (<= proc_a 36)), 66174#(and (<= 34 proc_a) (<= proc_a 34)), 66177#(and (<= 40 proc_a) (<= proc_a 40)), 66176#(and (<= 38 proc_a) (<= proc_a 38)), 66179#(and (<= proc_a 44) (<= 44 proc_a)), 66178#(and (<= proc_a 42) (<= 42 proc_a)), 66181#(and (<= 48 proc_a) (<= proc_a 48)), 66180#(and (<= proc_a 46) (<= 46 proc_a)), 66183#(and (<= 52 proc_a) (<= proc_a 52)), 66182#(and (<= 50 proc_a) (<= proc_a 50)), 66185#(and (<= proc_a 56) (<= 56 proc_a)), 66184#(and (<= 54 proc_a) (<= proc_a 54)), 66187#(and (<= 60 proc_a) (<= proc_a 60)), 66186#(and (<= proc_a 58) (<= 58 proc_a)), 66189#(and (<= 64 proc_a) (<= proc_a 64)), 66188#(and (<= 62 proc_a) (<= proc_a 62)), 66191#(and (<= 68 proc_a) (<= proc_a 68)), 66190#(and (<= 66 proc_a) (<= proc_a 66)), 66193#(and (<= 72 proc_a) (<= proc_a 72)), 66192#(and (<= proc_a 70) (<= 70 proc_a)), 66195#(and (<= proc_a 76) (<= 76 proc_a)), 66194#(and (<= proc_a 74) (<= 74 proc_a)), 66197#(and (<= proc_a 80) (<= 80 proc_a)), 66196#(and (<= 78 proc_a) (<= proc_a 78)), 66199#(and (<= proc_a 84) (<= 84 proc_a)), 66198#(and (<= 82 proc_a) (<= proc_a 82)), 66201#(and (<= 88 proc_a) (<= proc_a 88)), 66200#(and (<= 86 proc_a) (<= proc_a 86)), 66203#(and (<= 92 proc_a) (<= proc_a 92)), 66202#(and (<= proc_a 90) (<= 90 proc_a)), 66205#(and (<= proc_a 96) (<= 96 proc_a)), 66204#(and (<= proc_a 94) (<= 94 proc_a)), 66207#(and (<= proc_a 100) (<= 100 proc_a)), 66206#(and (<= 98 proc_a) (<= proc_a 98)), 66209#(and (<= proc_a 104) (<= 104 proc_a)), 66208#(and (<= 102 proc_a) (<= proc_a 102)), 66211#(and (<= proc_a 108) (<= 108 proc_a)), 66210#(and (<= 106 proc_a) (<= proc_a 106)), 66213#(and (<= proc_a 112) (<= 112 proc_a)), 66212#(and (<= proc_a 110) (<= 110 proc_a)), 66215#(and (<= 116 proc_a) (<= proc_a 116)), 66214#(and (<= 114 proc_a) (<= proc_a 114)), 66217#(and (<= 120 proc_a) (<= proc_a 120)), 66216#(and (<= proc_a 118) (<= 118 proc_a)), 66219#(and (<= proc_a 124) (<= 124 proc_a)), 66218#(and (<= proc_a 122) (<= 122 proc_a)), 66221#(and (<= 128 proc_a) (<= proc_a 128)), 66220#(and (<= proc_a 126) (<= 126 proc_a)), 66223#(and (<= 132 proc_a) (<= proc_a 132)), 66222#(and (<= proc_a 130) (<= 130 proc_a)), 66225#(and (<= proc_a 136) (<= 136 proc_a)), 66224#(and (<= proc_a 134) (<= 134 proc_a)), 66227#(and (<= proc_a 140) (<= 140 proc_a)), 66226#(and (<= proc_a 138) (<= 138 proc_a)), 66229#(and (<= 144 proc_a) (<= proc_a 144)), 66228#(and (<= 142 proc_a) (<= proc_a 142)), 66231#(and (<= 148 proc_a) (<= proc_a 148)), 66230#(and (<= proc_a 146) (<= 146 proc_a)), 66233#(and (<= proc_a 152) (<= 152 proc_a)), 66232#(and (<= proc_a 150) (<= 150 proc_a)), 66235#(and (<= 156 proc_a) (<= proc_a 156)), 66234#(and (<= 154 proc_a) (<= proc_a 154)), 66237#(and (<= 160 proc_a) (<= proc_a 160)), 66236#(and (<= proc_a 158) (<= 158 proc_a)), 66239#(and (<= 164 proc_a) (<= proc_a 164)), 66238#(and (<= proc_a 162) (<= 162 proc_a)), 66241#(and (<= 168 proc_a) (<= proc_a 168)), 66240#(and (<= 166 proc_a) (<= proc_a 166)), 66243#(and (<= 172 proc_a) (<= proc_a 172)), 66242#(and (<= 170 proc_a) (<= proc_a 170)), 66245#(and (<= 176 proc_a) (<= proc_a 176)), 66244#(and (<= proc_a 174) (<= 174 proc_a)), 66247#(and (<= proc_a 180) (<= 180 proc_a)), 66246#(and (<= 178 proc_a) (<= proc_a 178)), 66249#(and (<= 184 proc_a) (<= proc_a 184)), 66248#(and (<= proc_a 182) (<= 182 proc_a)), 66251#(and (<= 188 proc_a) (<= proc_a 188)), 66250#(and (<= 186 proc_a) (<= proc_a 186)), 66253#(and (<= proc_a 192) (<= 192 proc_a)), 66252#(and (<= 190 proc_a) (<= proc_a 190)), 66255#(and (<= proc_a 196) (<= 196 proc_a)), 66254#(and (<= 194 proc_a) (<= proc_a 194)), 66257#(and (<= proc_a 200) (<= 200 proc_a)), 66256#(and (<= 198 proc_a) (<= proc_a 198)), 66259#(and (<= 204 proc_a) (<= proc_a 204)), 66258#(and (<= proc_a 202) (<= 202 proc_a)), 66261#(and (<= 208 proc_a) (<= proc_a 208)), 66260#(and (<= 206 proc_a) (<= proc_a 206)), 66263#(and (<= proc_a 212) (<= 212 proc_a)), 66262#(and (<= proc_a 210) (<= 210 proc_a)), 66265#(and (<= 216 proc_a) (<= proc_a 216)), 66264#(and (<= 214 proc_a) (<= proc_a 214)), 66267#(and (<= proc_a 220) (<= 220 proc_a)), 66266#(and (<= proc_a 218) (<= 218 proc_a)), 66269#(and (<= 224 proc_a) (<= proc_a 224)), 66268#(and (<= 222 proc_a) (<= proc_a 222)), 66271#(and (<= 228 proc_a) (<= proc_a 228)), 66270#(and (<= proc_a 226) (<= 226 proc_a)), 66273#(and (<= 232 proc_a) (<= proc_a 232)), 66272#(and (<= proc_a 230) (<= 230 proc_a)), 66275#(and (<= proc_a 236) (<= 236 proc_a)), 66274#(and (<= proc_a 234) (<= 234 proc_a)), 66277#(and (<= 240 proc_a) (<= proc_a 240)), 66276#(and (<= 238 proc_a) (<= proc_a 238)), 66279#(and (<= proc_a 244) (<= 244 proc_a)), 66278#(and (<= proc_a 242) (<= 242 proc_a)), 66281#(and (<= 248 proc_a) (<= proc_a 248)), 66280#(and (<= proc_a 246) (<= 246 proc_a)), 66283#(and (<= 252 proc_a) (<= proc_a 252)), 66282#(and (<= proc_a 250) (<= 250 proc_a)), 66285#(and (<= proc_a 256) (<= 256 proc_a)), 66284#(and (<= 254 proc_a) (<= proc_a 254)), 66287#(and (<= proc_a 260) (<= 260 proc_a)), 66286#(and (<= 258 proc_a) (<= proc_a 258)), 66289#(and (<= proc_a 264) (<= 264 proc_a)), 66288#(and (<= 262 proc_a) (<= proc_a 262)), 66291#(and (<= proc_a 268) (<= 268 proc_a)), 66290#(and (<= 266 proc_a) (<= proc_a 266)), 66293#(and (<= proc_a 272) (<= 272 proc_a)), 66292#(and (<= proc_a 270) (<= 270 proc_a)), 66295#(and (<= proc_a 276) (<= 276 proc_a)), 66294#(and (<= proc_a 274) (<= 274 proc_a)), 66297#(and (<= proc_a 280) (<= 280 proc_a)), 66296#(and (<= proc_a 278) (<= 278 proc_a)), 66299#(and (<= proc_a 284) (<= 284 proc_a)), 66298#(and (<= proc_a 282) (<= 282 proc_a)), 66301#(and (<= proc_a 288) (<= 288 proc_a)), 66300#(and (<= proc_a 286) (<= 286 proc_a)), 66303#(and (<= proc_a 292) (<= 292 proc_a)), 66302#(and (<= proc_a 290) (<= 290 proc_a))] [2018-07-23 13:53:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12720 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:04,075 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:53:04,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:53:04,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=25761, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:53:04,076 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand 162 states. [2018-07-23 13:53:05,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:05,381 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-07-23 13:53:05,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:53:05,381 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 161 [2018-07-23 13:53:05,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:05,382 INFO L225 Difference]: With dead ends: 164 [2018-07-23 13:53:05,382 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:53:05,383 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=321, Invalid=25761, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:53:05,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:53:05,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:53:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:53:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:53:05,390 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 161 [2018-07-23 13:53:05,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:05,390 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:53:05,390 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:53:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:53:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:53:05,391 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:05,391 INFO L357 BasicCegarLoop]: trace histogram [160, 1, 1] [2018-07-23 13:53:05,391 INFO L414 AbstractCegarLoop]: === Iteration 161 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:05,391 INFO L82 PathProgramCache]: Analyzing trace with hash -858028089, now seen corresponding path program 160 times [2018-07-23 13:53:05,391 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 12880 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:06,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:06,467 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:53:06,468 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:06,468 INFO L185 omatonBuilderFactory]: Interpolants [67073#(and (<= proc_a 200) (<= 200 proc_a)), 67072#(and (<= 198 proc_a) (<= proc_a 198)), 67075#(and (<= 204 proc_a) (<= proc_a 204)), 67074#(and (<= proc_a 202) (<= 202 proc_a)), 67077#(and (<= 208 proc_a) (<= proc_a 208)), 67076#(and (<= 206 proc_a) (<= proc_a 206)), 67079#(and (<= proc_a 212) (<= 212 proc_a)), 67078#(and (<= proc_a 210) (<= 210 proc_a)), 67081#(and (<= 216 proc_a) (<= proc_a 216)), 67080#(and (<= 214 proc_a) (<= proc_a 214)), 67083#(and (<= proc_a 220) (<= 220 proc_a)), 67082#(and (<= proc_a 218) (<= 218 proc_a)), 67085#(and (<= 224 proc_a) (<= proc_a 224)), 67084#(and (<= 222 proc_a) (<= proc_a 222)), 67087#(and (<= 228 proc_a) (<= proc_a 228)), 67086#(and (<= proc_a 226) (<= 226 proc_a)), 67089#(and (<= 232 proc_a) (<= proc_a 232)), 67088#(and (<= proc_a 230) (<= 230 proc_a)), 67091#(and (<= proc_a 236) (<= 236 proc_a)), 67090#(and (<= proc_a 234) (<= 234 proc_a)), 67093#(and (<= 240 proc_a) (<= proc_a 240)), 67092#(and (<= 238 proc_a) (<= proc_a 238)), 67095#(and (<= proc_a 244) (<= 244 proc_a)), 67094#(and (<= proc_a 242) (<= 242 proc_a)), 67097#(and (<= 248 proc_a) (<= proc_a 248)), 67096#(and (<= proc_a 246) (<= 246 proc_a)), 67099#(and (<= 252 proc_a) (<= proc_a 252)), 67098#(and (<= proc_a 250) (<= 250 proc_a)), 67101#(and (<= proc_a 256) (<= 256 proc_a)), 67100#(and (<= 254 proc_a) (<= proc_a 254)), 67103#(and (<= proc_a 260) (<= 260 proc_a)), 67102#(and (<= 258 proc_a) (<= proc_a 258)), 67105#(and (<= proc_a 264) (<= 264 proc_a)), 67104#(and (<= 262 proc_a) (<= proc_a 262)), 67107#(and (<= proc_a 268) (<= 268 proc_a)), 67106#(and (<= 266 proc_a) (<= proc_a 266)), 67109#(and (<= proc_a 272) (<= 272 proc_a)), 67108#(and (<= proc_a 270) (<= 270 proc_a)), 67111#(and (<= proc_a 276) (<= 276 proc_a)), 67110#(and (<= proc_a 274) (<= 274 proc_a)), 67113#(and (<= proc_a 280) (<= 280 proc_a)), 67112#(and (<= proc_a 278) (<= 278 proc_a)), 67115#(and (<= proc_a 284) (<= 284 proc_a)), 67114#(and (<= proc_a 282) (<= 282 proc_a)), 67117#(and (<= proc_a 288) (<= 288 proc_a)), 67116#(and (<= proc_a 286) (<= 286 proc_a)), 67119#(and (<= proc_a 292) (<= 292 proc_a)), 67118#(and (<= proc_a 290) (<= 290 proc_a)), 67121#(and (<= 296 proc_a) (<= proc_a 296)), 67120#(and (<= 294 proc_a) (<= proc_a 294)), 67123#(and (<= proc_a 300) (<= 300 proc_a)), 67122#(and (<= 298 proc_a) (<= proc_a 298)), 67125#(and (<= proc_a 304) (<= 304 proc_a)), 67124#(and (<= proc_a 302) (<= 302 proc_a)), 67127#(and (<= 308 proc_a) (<= proc_a 308)), 67126#(and (<= 306 proc_a) (<= proc_a 306)), 67129#(and (<= proc_a 312) (<= 312 proc_a)), 67128#(and (<= proc_a 310) (<= 310 proc_a)), 67131#(and (<= 316 proc_a) (<= proc_a 316)), 67130#(and (<= proc_a 314) (<= 314 proc_a)), 67133#(and (<= proc_a 320) (<= 320 proc_a)), 67132#(and (<= 318 proc_a) (<= proc_a 318)), 66971#true, 66973#(and (<= proc_a 0) (<= 0 proc_a)), 66972#false, 66975#(and (<= 4 proc_a) (<= proc_a 4)), 66974#(and (<= 2 proc_a) (<= proc_a 2)), 66977#(and (<= proc_a 8) (<= 8 proc_a)), 66976#(and (<= 6 proc_a) (<= proc_a 6)), 66979#(and (<= proc_a 12) (<= 12 proc_a)), 66978#(and (<= 10 proc_a) (<= proc_a 10)), 66981#(and (<= proc_a 16) (<= 16 proc_a)), 66980#(and (<= 14 proc_a) (<= proc_a 14)), 66983#(and (<= 20 proc_a) (<= proc_a 20)), 66982#(and (<= 18 proc_a) (<= proc_a 18)), 66985#(and (<= 24 proc_a) (<= proc_a 24)), 66984#(and (<= 22 proc_a) (<= proc_a 22)), 66987#(and (<= proc_a 28) (<= 28 proc_a)), 66986#(and (<= 26 proc_a) (<= proc_a 26)), 66989#(and (<= 32 proc_a) (<= proc_a 32)), 66988#(and (<= proc_a 30) (<= 30 proc_a)), 66991#(and (<= 36 proc_a) (<= proc_a 36)), 66990#(and (<= 34 proc_a) (<= proc_a 34)), 66993#(and (<= 40 proc_a) (<= proc_a 40)), 66992#(and (<= 38 proc_a) (<= proc_a 38)), 66995#(and (<= proc_a 44) (<= 44 proc_a)), 66994#(and (<= proc_a 42) (<= 42 proc_a)), 66997#(and (<= 48 proc_a) (<= proc_a 48)), 66996#(and (<= proc_a 46) (<= 46 proc_a)), 66999#(and (<= 52 proc_a) (<= proc_a 52)), 66998#(and (<= 50 proc_a) (<= proc_a 50)), 67001#(and (<= proc_a 56) (<= 56 proc_a)), 67000#(and (<= 54 proc_a) (<= proc_a 54)), 67003#(and (<= 60 proc_a) (<= proc_a 60)), 67002#(and (<= proc_a 58) (<= 58 proc_a)), 67005#(and (<= 64 proc_a) (<= proc_a 64)), 67004#(and (<= 62 proc_a) (<= proc_a 62)), 67007#(and (<= 68 proc_a) (<= proc_a 68)), 67006#(and (<= 66 proc_a) (<= proc_a 66)), 67009#(and (<= 72 proc_a) (<= proc_a 72)), 67008#(and (<= proc_a 70) (<= 70 proc_a)), 67011#(and (<= proc_a 76) (<= 76 proc_a)), 67010#(and (<= proc_a 74) (<= 74 proc_a)), 67013#(and (<= proc_a 80) (<= 80 proc_a)), 67012#(and (<= 78 proc_a) (<= proc_a 78)), 67015#(and (<= proc_a 84) (<= 84 proc_a)), 67014#(and (<= 82 proc_a) (<= proc_a 82)), 67017#(and (<= 88 proc_a) (<= proc_a 88)), 67016#(and (<= 86 proc_a) (<= proc_a 86)), 67019#(and (<= 92 proc_a) (<= proc_a 92)), 67018#(and (<= proc_a 90) (<= 90 proc_a)), 67021#(and (<= proc_a 96) (<= 96 proc_a)), 67020#(and (<= proc_a 94) (<= 94 proc_a)), 67023#(and (<= proc_a 100) (<= 100 proc_a)), 67022#(and (<= 98 proc_a) (<= proc_a 98)), 67025#(and (<= proc_a 104) (<= 104 proc_a)), 67024#(and (<= 102 proc_a) (<= proc_a 102)), 67027#(and (<= proc_a 108) (<= 108 proc_a)), 67026#(and (<= 106 proc_a) (<= proc_a 106)), 67029#(and (<= proc_a 112) (<= 112 proc_a)), 67028#(and (<= proc_a 110) (<= 110 proc_a)), 67031#(and (<= 116 proc_a) (<= proc_a 116)), 67030#(and (<= 114 proc_a) (<= proc_a 114)), 67033#(and (<= 120 proc_a) (<= proc_a 120)), 67032#(and (<= proc_a 118) (<= 118 proc_a)), 67035#(and (<= proc_a 124) (<= 124 proc_a)), 67034#(and (<= proc_a 122) (<= 122 proc_a)), 67037#(and (<= 128 proc_a) (<= proc_a 128)), 67036#(and (<= proc_a 126) (<= 126 proc_a)), 67039#(and (<= 132 proc_a) (<= proc_a 132)), 67038#(and (<= proc_a 130) (<= 130 proc_a)), 67041#(and (<= proc_a 136) (<= 136 proc_a)), 67040#(and (<= proc_a 134) (<= 134 proc_a)), 67043#(and (<= proc_a 140) (<= 140 proc_a)), 67042#(and (<= proc_a 138) (<= 138 proc_a)), 67045#(and (<= 144 proc_a) (<= proc_a 144)), 67044#(and (<= 142 proc_a) (<= proc_a 142)), 67047#(and (<= 148 proc_a) (<= proc_a 148)), 67046#(and (<= proc_a 146) (<= 146 proc_a)), 67049#(and (<= proc_a 152) (<= 152 proc_a)), 67048#(and (<= proc_a 150) (<= 150 proc_a)), 67051#(and (<= 156 proc_a) (<= proc_a 156)), 67050#(and (<= 154 proc_a) (<= proc_a 154)), 67053#(and (<= 160 proc_a) (<= proc_a 160)), 67052#(and (<= proc_a 158) (<= 158 proc_a)), 67055#(and (<= 164 proc_a) (<= proc_a 164)), 67054#(and (<= proc_a 162) (<= 162 proc_a)), 67057#(and (<= 168 proc_a) (<= proc_a 168)), 67056#(and (<= 166 proc_a) (<= proc_a 166)), 67059#(and (<= 172 proc_a) (<= proc_a 172)), 67058#(and (<= 170 proc_a) (<= proc_a 170)), 67061#(and (<= 176 proc_a) (<= proc_a 176)), 67060#(and (<= proc_a 174) (<= 174 proc_a)), 67063#(and (<= proc_a 180) (<= 180 proc_a)), 67062#(and (<= 178 proc_a) (<= proc_a 178)), 67065#(and (<= 184 proc_a) (<= proc_a 184)), 67064#(and (<= proc_a 182) (<= 182 proc_a)), 67067#(and (<= 188 proc_a) (<= proc_a 188)), 67066#(and (<= 186 proc_a) (<= proc_a 186)), 67069#(and (<= proc_a 192) (<= 192 proc_a)), 67068#(and (<= 190 proc_a) (<= proc_a 190)), 67071#(and (<= proc_a 196) (<= 196 proc_a)), 67070#(and (<= 194 proc_a) (<= proc_a 194))] [2018-07-23 13:53:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12880 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:06,469 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:53:06,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:53:06,469 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=26083, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:53:06,470 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 163 states. [2018-07-23 13:53:07,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:07,762 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:53:07,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:53:07,762 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 162 [2018-07-23 13:53:07,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:07,763 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:53:07,763 INFO L226 Difference]: Without dead ends: 164 [2018-07-23 13:53:07,764 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=323, Invalid=26083, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:53:07,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-07-23 13:53:07,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-07-23 13:53:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-07-23 13:53:07,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2018-07-23 13:53:07,768 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 162 [2018-07-23 13:53:07,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:07,768 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2018-07-23 13:53:07,768 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:53:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2018-07-23 13:53:07,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-07-23 13:53:07,769 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:07,769 INFO L357 BasicCegarLoop]: trace histogram [161, 1, 1] [2018-07-23 13:53:07,769 INFO L414 AbstractCegarLoop]: === Iteration 162 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:07,769 INFO L82 PathProgramCache]: Analyzing trace with hash -829067039, now seen corresponding path program 161 times [2018-07-23 13:53:07,769 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:08,820 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:08,821 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:53:08,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:08,821 INFO L185 omatonBuilderFactory]: Interpolants [67841#(and (<= proc_a 94) (<= 94 proc_a)), 67840#(and (<= 92 proc_a) (<= proc_a 92)), 67843#(and (<= 98 proc_a) (<= proc_a 98)), 67842#(and (<= proc_a 96) (<= 96 proc_a)), 67845#(and (<= 102 proc_a) (<= proc_a 102)), 67844#(and (<= proc_a 100) (<= 100 proc_a)), 67847#(and (<= 106 proc_a) (<= proc_a 106)), 67846#(and (<= proc_a 104) (<= 104 proc_a)), 67849#(and (<= proc_a 110) (<= 110 proc_a)), 67848#(and (<= proc_a 108) (<= 108 proc_a)), 67851#(and (<= 114 proc_a) (<= proc_a 114)), 67850#(and (<= proc_a 112) (<= 112 proc_a)), 67853#(and (<= proc_a 118) (<= 118 proc_a)), 67852#(and (<= 116 proc_a) (<= proc_a 116)), 67855#(and (<= proc_a 122) (<= 122 proc_a)), 67854#(and (<= 120 proc_a) (<= proc_a 120)), 67857#(and (<= proc_a 126) (<= 126 proc_a)), 67856#(and (<= proc_a 124) (<= 124 proc_a)), 67859#(and (<= proc_a 130) (<= 130 proc_a)), 67858#(and (<= 128 proc_a) (<= proc_a 128)), 67861#(and (<= proc_a 134) (<= 134 proc_a)), 67860#(and (<= 132 proc_a) (<= proc_a 132)), 67863#(and (<= proc_a 138) (<= 138 proc_a)), 67862#(and (<= proc_a 136) (<= 136 proc_a)), 67865#(and (<= 142 proc_a) (<= proc_a 142)), 67864#(and (<= proc_a 140) (<= 140 proc_a)), 67867#(and (<= proc_a 146) (<= 146 proc_a)), 67866#(and (<= 144 proc_a) (<= proc_a 144)), 67869#(and (<= proc_a 150) (<= 150 proc_a)), 67868#(and (<= 148 proc_a) (<= proc_a 148)), 67871#(and (<= 154 proc_a) (<= proc_a 154)), 67870#(and (<= proc_a 152) (<= 152 proc_a)), 67873#(and (<= proc_a 158) (<= 158 proc_a)), 67872#(and (<= 156 proc_a) (<= proc_a 156)), 67875#(and (<= proc_a 162) (<= 162 proc_a)), 67874#(and (<= 160 proc_a) (<= proc_a 160)), 67877#(and (<= 166 proc_a) (<= proc_a 166)), 67876#(and (<= 164 proc_a) (<= proc_a 164)), 67879#(and (<= 170 proc_a) (<= proc_a 170)), 67878#(and (<= 168 proc_a) (<= proc_a 168)), 67881#(and (<= proc_a 174) (<= 174 proc_a)), 67880#(and (<= 172 proc_a) (<= proc_a 172)), 67883#(and (<= 178 proc_a) (<= proc_a 178)), 67882#(and (<= 176 proc_a) (<= proc_a 176)), 67885#(and (<= proc_a 182) (<= 182 proc_a)), 67884#(and (<= proc_a 180) (<= 180 proc_a)), 67887#(and (<= 186 proc_a) (<= proc_a 186)), 67886#(and (<= 184 proc_a) (<= proc_a 184)), 67889#(and (<= 190 proc_a) (<= proc_a 190)), 67888#(and (<= 188 proc_a) (<= proc_a 188)), 67891#(and (<= 194 proc_a) (<= proc_a 194)), 67890#(and (<= proc_a 192) (<= 192 proc_a)), 67893#(and (<= 198 proc_a) (<= proc_a 198)), 67892#(and (<= proc_a 196) (<= 196 proc_a)), 67895#(and (<= proc_a 202) (<= 202 proc_a)), 67894#(and (<= proc_a 200) (<= 200 proc_a)), 67897#(and (<= 206 proc_a) (<= proc_a 206)), 67896#(and (<= 204 proc_a) (<= proc_a 204)), 67899#(and (<= proc_a 210) (<= 210 proc_a)), 67898#(and (<= 208 proc_a) (<= proc_a 208)), 67901#(and (<= 214 proc_a) (<= proc_a 214)), 67900#(and (<= proc_a 212) (<= 212 proc_a)), 67903#(and (<= proc_a 218) (<= 218 proc_a)), 67902#(and (<= 216 proc_a) (<= proc_a 216)), 67905#(and (<= 222 proc_a) (<= proc_a 222)), 67904#(and (<= proc_a 220) (<= 220 proc_a)), 67907#(and (<= proc_a 226) (<= 226 proc_a)), 67906#(and (<= 224 proc_a) (<= proc_a 224)), 67909#(and (<= proc_a 230) (<= 230 proc_a)), 67908#(and (<= 228 proc_a) (<= proc_a 228)), 67911#(and (<= proc_a 234) (<= 234 proc_a)), 67910#(and (<= 232 proc_a) (<= proc_a 232)), 67913#(and (<= 238 proc_a) (<= proc_a 238)), 67912#(and (<= proc_a 236) (<= 236 proc_a)), 67915#(and (<= proc_a 242) (<= 242 proc_a)), 67914#(and (<= 240 proc_a) (<= proc_a 240)), 67917#(and (<= proc_a 246) (<= 246 proc_a)), 67916#(and (<= proc_a 244) (<= 244 proc_a)), 67919#(and (<= proc_a 250) (<= 250 proc_a)), 67918#(and (<= 248 proc_a) (<= proc_a 248)), 67921#(and (<= 254 proc_a) (<= proc_a 254)), 67920#(and (<= 252 proc_a) (<= proc_a 252)), 67923#(and (<= 258 proc_a) (<= proc_a 258)), 67922#(and (<= proc_a 256) (<= 256 proc_a)), 67925#(and (<= 262 proc_a) (<= proc_a 262)), 67924#(and (<= proc_a 260) (<= 260 proc_a)), 67927#(and (<= 266 proc_a) (<= proc_a 266)), 67926#(and (<= proc_a 264) (<= 264 proc_a)), 67929#(and (<= proc_a 270) (<= 270 proc_a)), 67928#(and (<= proc_a 268) (<= 268 proc_a)), 67931#(and (<= proc_a 274) (<= 274 proc_a)), 67930#(and (<= proc_a 272) (<= 272 proc_a)), 67933#(and (<= proc_a 278) (<= 278 proc_a)), 67932#(and (<= proc_a 276) (<= 276 proc_a)), 67935#(and (<= proc_a 282) (<= 282 proc_a)), 67934#(and (<= proc_a 280) (<= 280 proc_a)), 67937#(and (<= proc_a 286) (<= 286 proc_a)), 67936#(and (<= proc_a 284) (<= 284 proc_a)), 67939#(and (<= proc_a 290) (<= 290 proc_a)), 67938#(and (<= proc_a 288) (<= 288 proc_a)), 67941#(and (<= 294 proc_a) (<= proc_a 294)), 67940#(and (<= proc_a 292) (<= 292 proc_a)), 67943#(and (<= 298 proc_a) (<= proc_a 298)), 67942#(and (<= 296 proc_a) (<= proc_a 296)), 67945#(and (<= proc_a 302) (<= 302 proc_a)), 67944#(and (<= proc_a 300) (<= 300 proc_a)), 67947#(and (<= 306 proc_a) (<= proc_a 306)), 67946#(and (<= proc_a 304) (<= 304 proc_a)), 67949#(and (<= proc_a 310) (<= 310 proc_a)), 67948#(and (<= 308 proc_a) (<= proc_a 308)), 67951#(and (<= proc_a 314) (<= 314 proc_a)), 67950#(and (<= proc_a 312) (<= 312 proc_a)), 67953#(and (<= 318 proc_a) (<= proc_a 318)), 67952#(and (<= 316 proc_a) (<= proc_a 316)), 67955#(and (<= proc_a 322) (<= 322 proc_a)), 67954#(and (<= proc_a 320) (<= 320 proc_a)), 67793#false, 67792#true, 67795#(and (<= 2 proc_a) (<= proc_a 2)), 67794#(and (<= proc_a 0) (<= 0 proc_a)), 67797#(and (<= 6 proc_a) (<= proc_a 6)), 67796#(and (<= 4 proc_a) (<= proc_a 4)), 67799#(and (<= 10 proc_a) (<= proc_a 10)), 67798#(and (<= proc_a 8) (<= 8 proc_a)), 67801#(and (<= 14 proc_a) (<= proc_a 14)), 67800#(and (<= proc_a 12) (<= 12 proc_a)), 67803#(and (<= 18 proc_a) (<= proc_a 18)), 67802#(and (<= proc_a 16) (<= 16 proc_a)), 67805#(and (<= 22 proc_a) (<= proc_a 22)), 67804#(and (<= 20 proc_a) (<= proc_a 20)), 67807#(and (<= 26 proc_a) (<= proc_a 26)), 67806#(and (<= 24 proc_a) (<= proc_a 24)), 67809#(and (<= proc_a 30) (<= 30 proc_a)), 67808#(and (<= proc_a 28) (<= 28 proc_a)), 67811#(and (<= 34 proc_a) (<= proc_a 34)), 67810#(and (<= 32 proc_a) (<= proc_a 32)), 67813#(and (<= 38 proc_a) (<= proc_a 38)), 67812#(and (<= 36 proc_a) (<= proc_a 36)), 67815#(and (<= proc_a 42) (<= 42 proc_a)), 67814#(and (<= 40 proc_a) (<= proc_a 40)), 67817#(and (<= proc_a 46) (<= 46 proc_a)), 67816#(and (<= proc_a 44) (<= 44 proc_a)), 67819#(and (<= 50 proc_a) (<= proc_a 50)), 67818#(and (<= 48 proc_a) (<= proc_a 48)), 67821#(and (<= 54 proc_a) (<= proc_a 54)), 67820#(and (<= 52 proc_a) (<= proc_a 52)), 67823#(and (<= proc_a 58) (<= 58 proc_a)), 67822#(and (<= proc_a 56) (<= 56 proc_a)), 67825#(and (<= 62 proc_a) (<= proc_a 62)), 67824#(and (<= 60 proc_a) (<= proc_a 60)), 67827#(and (<= 66 proc_a) (<= proc_a 66)), 67826#(and (<= 64 proc_a) (<= proc_a 64)), 67829#(and (<= proc_a 70) (<= 70 proc_a)), 67828#(and (<= 68 proc_a) (<= proc_a 68)), 67831#(and (<= proc_a 74) (<= 74 proc_a)), 67830#(and (<= 72 proc_a) (<= proc_a 72)), 67833#(and (<= 78 proc_a) (<= proc_a 78)), 67832#(and (<= proc_a 76) (<= 76 proc_a)), 67835#(and (<= 82 proc_a) (<= proc_a 82)), 67834#(and (<= proc_a 80) (<= 80 proc_a)), 67837#(and (<= 86 proc_a) (<= proc_a 86)), 67836#(and (<= proc_a 84) (<= 84 proc_a)), 67839#(and (<= proc_a 90) (<= 90 proc_a)), 67838#(and (<= 88 proc_a) (<= proc_a 88))] [2018-07-23 13:53:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:08,822 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:53:08,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:53:08,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=26407, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:53:08,824 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand 164 states. [2018-07-23 13:53:10,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:10,173 INFO L93 Difference]: Finished difference Result 166 states and 166 transitions. [2018-07-23 13:53:10,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:53:10,173 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 163 [2018-07-23 13:53:10,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:10,174 INFO L225 Difference]: With dead ends: 166 [2018-07-23 13:53:10,174 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:53:10,175 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=325, Invalid=26407, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:53:10,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:53:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:53:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:53:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:53:10,180 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 163 [2018-07-23 13:53:10,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:10,180 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:53:10,180 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:53:10,180 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:53:10,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:53:10,181 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:10,181 INFO L357 BasicCegarLoop]: trace histogram [162, 1, 1] [2018-07-23 13:53:10,181 INFO L414 AbstractCegarLoop]: === Iteration 163 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:10,181 INFO L82 PathProgramCache]: Analyzing trace with hash 68725511, now seen corresponding path program 162 times [2018-07-23 13:53:10,181 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:11,255 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:11,255 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:53:11,255 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:11,255 INFO L185 omatonBuilderFactory]: Interpolants [68619#false, 68618#true, 68621#(and (<= 2 proc_a) (<= proc_a 2)), 68620#(and (<= proc_a 0) (<= 0 proc_a)), 68623#(and (<= 6 proc_a) (<= proc_a 6)), 68622#(and (<= 4 proc_a) (<= proc_a 4)), 68625#(and (<= 10 proc_a) (<= proc_a 10)), 68624#(and (<= proc_a 8) (<= 8 proc_a)), 68627#(and (<= 14 proc_a) (<= proc_a 14)), 68626#(and (<= proc_a 12) (<= 12 proc_a)), 68629#(and (<= 18 proc_a) (<= proc_a 18)), 68628#(and (<= proc_a 16) (<= 16 proc_a)), 68631#(and (<= 22 proc_a) (<= proc_a 22)), 68630#(and (<= 20 proc_a) (<= proc_a 20)), 68633#(and (<= 26 proc_a) (<= proc_a 26)), 68632#(and (<= 24 proc_a) (<= proc_a 24)), 68635#(and (<= proc_a 30) (<= 30 proc_a)), 68634#(and (<= proc_a 28) (<= 28 proc_a)), 68637#(and (<= 34 proc_a) (<= proc_a 34)), 68636#(and (<= 32 proc_a) (<= proc_a 32)), 68639#(and (<= 38 proc_a) (<= proc_a 38)), 68638#(and (<= 36 proc_a) (<= proc_a 36)), 68641#(and (<= proc_a 42) (<= 42 proc_a)), 68640#(and (<= 40 proc_a) (<= proc_a 40)), 68643#(and (<= proc_a 46) (<= 46 proc_a)), 68642#(and (<= proc_a 44) (<= 44 proc_a)), 68645#(and (<= 50 proc_a) (<= proc_a 50)), 68644#(and (<= 48 proc_a) (<= proc_a 48)), 68647#(and (<= 54 proc_a) (<= proc_a 54)), 68646#(and (<= 52 proc_a) (<= proc_a 52)), 68649#(and (<= proc_a 58) (<= 58 proc_a)), 68648#(and (<= proc_a 56) (<= 56 proc_a)), 68651#(and (<= 62 proc_a) (<= proc_a 62)), 68650#(and (<= 60 proc_a) (<= proc_a 60)), 68653#(and (<= 66 proc_a) (<= proc_a 66)), 68652#(and (<= 64 proc_a) (<= proc_a 64)), 68655#(and (<= proc_a 70) (<= 70 proc_a)), 68654#(and (<= 68 proc_a) (<= proc_a 68)), 68657#(and (<= proc_a 74) (<= 74 proc_a)), 68656#(and (<= 72 proc_a) (<= proc_a 72)), 68659#(and (<= 78 proc_a) (<= proc_a 78)), 68658#(and (<= proc_a 76) (<= 76 proc_a)), 68661#(and (<= 82 proc_a) (<= proc_a 82)), 68660#(and (<= proc_a 80) (<= 80 proc_a)), 68663#(and (<= 86 proc_a) (<= proc_a 86)), 68662#(and (<= proc_a 84) (<= 84 proc_a)), 68665#(and (<= proc_a 90) (<= 90 proc_a)), 68664#(and (<= 88 proc_a) (<= proc_a 88)), 68667#(and (<= proc_a 94) (<= 94 proc_a)), 68666#(and (<= 92 proc_a) (<= proc_a 92)), 68669#(and (<= 98 proc_a) (<= proc_a 98)), 68668#(and (<= proc_a 96) (<= 96 proc_a)), 68671#(and (<= 102 proc_a) (<= proc_a 102)), 68670#(and (<= proc_a 100) (<= 100 proc_a)), 68673#(and (<= 106 proc_a) (<= proc_a 106)), 68672#(and (<= proc_a 104) (<= 104 proc_a)), 68675#(and (<= proc_a 110) (<= 110 proc_a)), 68674#(and (<= proc_a 108) (<= 108 proc_a)), 68677#(and (<= 114 proc_a) (<= proc_a 114)), 68676#(and (<= proc_a 112) (<= 112 proc_a)), 68679#(and (<= proc_a 118) (<= 118 proc_a)), 68678#(and (<= 116 proc_a) (<= proc_a 116)), 68681#(and (<= proc_a 122) (<= 122 proc_a)), 68680#(and (<= 120 proc_a) (<= proc_a 120)), 68683#(and (<= proc_a 126) (<= 126 proc_a)), 68682#(and (<= proc_a 124) (<= 124 proc_a)), 68685#(and (<= proc_a 130) (<= 130 proc_a)), 68684#(and (<= 128 proc_a) (<= proc_a 128)), 68687#(and (<= proc_a 134) (<= 134 proc_a)), 68686#(and (<= 132 proc_a) (<= proc_a 132)), 68689#(and (<= proc_a 138) (<= 138 proc_a)), 68688#(and (<= proc_a 136) (<= 136 proc_a)), 68691#(and (<= 142 proc_a) (<= proc_a 142)), 68690#(and (<= proc_a 140) (<= 140 proc_a)), 68693#(and (<= proc_a 146) (<= 146 proc_a)), 68692#(and (<= 144 proc_a) (<= proc_a 144)), 68695#(and (<= proc_a 150) (<= 150 proc_a)), 68694#(and (<= 148 proc_a) (<= proc_a 148)), 68697#(and (<= 154 proc_a) (<= proc_a 154)), 68696#(and (<= proc_a 152) (<= 152 proc_a)), 68699#(and (<= proc_a 158) (<= 158 proc_a)), 68698#(and (<= 156 proc_a) (<= proc_a 156)), 68701#(and (<= proc_a 162) (<= 162 proc_a)), 68700#(and (<= 160 proc_a) (<= proc_a 160)), 68703#(and (<= 166 proc_a) (<= proc_a 166)), 68702#(and (<= 164 proc_a) (<= proc_a 164)), 68705#(and (<= 170 proc_a) (<= proc_a 170)), 68704#(and (<= 168 proc_a) (<= proc_a 168)), 68707#(and (<= proc_a 174) (<= 174 proc_a)), 68706#(and (<= 172 proc_a) (<= proc_a 172)), 68709#(and (<= 178 proc_a) (<= proc_a 178)), 68708#(and (<= 176 proc_a) (<= proc_a 176)), 68711#(and (<= proc_a 182) (<= 182 proc_a)), 68710#(and (<= proc_a 180) (<= 180 proc_a)), 68713#(and (<= 186 proc_a) (<= proc_a 186)), 68712#(and (<= 184 proc_a) (<= proc_a 184)), 68715#(and (<= 190 proc_a) (<= proc_a 190)), 68714#(and (<= 188 proc_a) (<= proc_a 188)), 68717#(and (<= 194 proc_a) (<= proc_a 194)), 68716#(and (<= proc_a 192) (<= 192 proc_a)), 68719#(and (<= 198 proc_a) (<= proc_a 198)), 68718#(and (<= proc_a 196) (<= 196 proc_a)), 68721#(and (<= proc_a 202) (<= 202 proc_a)), 68720#(and (<= proc_a 200) (<= 200 proc_a)), 68723#(and (<= 206 proc_a) (<= proc_a 206)), 68722#(and (<= 204 proc_a) (<= proc_a 204)), 68725#(and (<= proc_a 210) (<= 210 proc_a)), 68724#(and (<= 208 proc_a) (<= proc_a 208)), 68727#(and (<= 214 proc_a) (<= proc_a 214)), 68726#(and (<= proc_a 212) (<= 212 proc_a)), 68729#(and (<= proc_a 218) (<= 218 proc_a)), 68728#(and (<= 216 proc_a) (<= proc_a 216)), 68731#(and (<= 222 proc_a) (<= proc_a 222)), 68730#(and (<= proc_a 220) (<= 220 proc_a)), 68733#(and (<= proc_a 226) (<= 226 proc_a)), 68732#(and (<= 224 proc_a) (<= proc_a 224)), 68735#(and (<= proc_a 230) (<= 230 proc_a)), 68734#(and (<= 228 proc_a) (<= proc_a 228)), 68737#(and (<= proc_a 234) (<= 234 proc_a)), 68736#(and (<= 232 proc_a) (<= proc_a 232)), 68739#(and (<= 238 proc_a) (<= proc_a 238)), 68738#(and (<= proc_a 236) (<= 236 proc_a)), 68741#(and (<= proc_a 242) (<= 242 proc_a)), 68740#(and (<= 240 proc_a) (<= proc_a 240)), 68743#(and (<= proc_a 246) (<= 246 proc_a)), 68742#(and (<= proc_a 244) (<= 244 proc_a)), 68745#(and (<= proc_a 250) (<= 250 proc_a)), 68744#(and (<= 248 proc_a) (<= proc_a 248)), 68747#(and (<= 254 proc_a) (<= proc_a 254)), 68746#(and (<= 252 proc_a) (<= proc_a 252)), 68749#(and (<= 258 proc_a) (<= proc_a 258)), 68748#(and (<= proc_a 256) (<= 256 proc_a)), 68751#(and (<= 262 proc_a) (<= proc_a 262)), 68750#(and (<= proc_a 260) (<= 260 proc_a)), 68753#(and (<= 266 proc_a) (<= proc_a 266)), 68752#(and (<= proc_a 264) (<= 264 proc_a)), 68755#(and (<= proc_a 270) (<= 270 proc_a)), 68754#(and (<= proc_a 268) (<= 268 proc_a)), 68757#(and (<= proc_a 274) (<= 274 proc_a)), 68756#(and (<= proc_a 272) (<= 272 proc_a)), 68759#(and (<= proc_a 278) (<= 278 proc_a)), 68758#(and (<= proc_a 276) (<= 276 proc_a)), 68761#(and (<= proc_a 282) (<= 282 proc_a)), 68760#(and (<= proc_a 280) (<= 280 proc_a)), 68763#(and (<= proc_a 286) (<= 286 proc_a)), 68762#(and (<= proc_a 284) (<= 284 proc_a)), 68765#(and (<= proc_a 290) (<= 290 proc_a)), 68764#(and (<= proc_a 288) (<= 288 proc_a)), 68767#(and (<= 294 proc_a) (<= proc_a 294)), 68766#(and (<= proc_a 292) (<= 292 proc_a)), 68769#(and (<= 298 proc_a) (<= proc_a 298)), 68768#(and (<= 296 proc_a) (<= proc_a 296)), 68771#(and (<= proc_a 302) (<= 302 proc_a)), 68770#(and (<= proc_a 300) (<= 300 proc_a)), 68773#(and (<= 306 proc_a) (<= proc_a 306)), 68772#(and (<= proc_a 304) (<= 304 proc_a)), 68775#(and (<= proc_a 310) (<= 310 proc_a)), 68774#(and (<= 308 proc_a) (<= proc_a 308)), 68777#(and (<= proc_a 314) (<= 314 proc_a)), 68776#(and (<= proc_a 312) (<= 312 proc_a)), 68779#(and (<= 318 proc_a) (<= proc_a 318)), 68778#(and (<= 316 proc_a) (<= proc_a 316)), 68781#(and (<= proc_a 322) (<= 322 proc_a)), 68780#(and (<= proc_a 320) (<= 320 proc_a)), 68782#(and (<= 324 proc_a) (<= proc_a 324))] [2018-07-23 13:53:11,256 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:11,256 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:53:11,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:53:11,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=26733, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:53:11,258 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 165 states. [2018-07-23 13:53:12,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:12,597 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:53:12,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:53:12,597 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 164 [2018-07-23 13:53:12,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:12,598 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:53:12,598 INFO L226 Difference]: Without dead ends: 166 [2018-07-23 13:53:12,600 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=327, Invalid=26733, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:53:12,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-07-23 13:53:12,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-07-23 13:53:12,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-07-23 13:53:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 166 transitions. [2018-07-23 13:53:12,607 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 166 transitions. Word has length 164 [2018-07-23 13:53:12,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:12,607 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 166 transitions. [2018-07-23 13:53:12,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:53:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 166 transitions. [2018-07-23 13:53:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-07-23 13:53:12,608 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:12,608 INFO L357 BasicCegarLoop]: trace histogram [163, 1, 1] [2018-07-23 13:53:12,608 INFO L414 AbstractCegarLoop]: === Iteration 164 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:12,608 INFO L82 PathProgramCache]: Analyzing trace with hash 2130490785, now seen corresponding path program 163 times [2018-07-23 13:53:12,608 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 13366 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:13,821 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:13,821 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:53:13,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:13,822 INFO L185 omatonBuilderFactory]: Interpolants [69449#true, 69451#(and (<= proc_a 0) (<= 0 proc_a)), 69450#false, 69453#(and (<= 4 proc_a) (<= proc_a 4)), 69452#(and (<= 2 proc_a) (<= proc_a 2)), 69455#(and (<= proc_a 8) (<= 8 proc_a)), 69454#(and (<= 6 proc_a) (<= proc_a 6)), 69457#(and (<= proc_a 12) (<= 12 proc_a)), 69456#(and (<= 10 proc_a) (<= proc_a 10)), 69459#(and (<= proc_a 16) (<= 16 proc_a)), 69458#(and (<= 14 proc_a) (<= proc_a 14)), 69461#(and (<= 20 proc_a) (<= proc_a 20)), 69460#(and (<= 18 proc_a) (<= proc_a 18)), 69463#(and (<= 24 proc_a) (<= proc_a 24)), 69462#(and (<= 22 proc_a) (<= proc_a 22)), 69465#(and (<= proc_a 28) (<= 28 proc_a)), 69464#(and (<= 26 proc_a) (<= proc_a 26)), 69467#(and (<= 32 proc_a) (<= proc_a 32)), 69466#(and (<= proc_a 30) (<= 30 proc_a)), 69469#(and (<= 36 proc_a) (<= proc_a 36)), 69468#(and (<= 34 proc_a) (<= proc_a 34)), 69471#(and (<= 40 proc_a) (<= proc_a 40)), 69470#(and (<= 38 proc_a) (<= proc_a 38)), 69473#(and (<= proc_a 44) (<= 44 proc_a)), 69472#(and (<= proc_a 42) (<= 42 proc_a)), 69475#(and (<= 48 proc_a) (<= proc_a 48)), 69474#(and (<= proc_a 46) (<= 46 proc_a)), 69477#(and (<= 52 proc_a) (<= proc_a 52)), 69476#(and (<= 50 proc_a) (<= proc_a 50)), 69479#(and (<= proc_a 56) (<= 56 proc_a)), 69478#(and (<= 54 proc_a) (<= proc_a 54)), 69481#(and (<= 60 proc_a) (<= proc_a 60)), 69480#(and (<= proc_a 58) (<= 58 proc_a)), 69483#(and (<= 64 proc_a) (<= proc_a 64)), 69482#(and (<= 62 proc_a) (<= proc_a 62)), 69485#(and (<= 68 proc_a) (<= proc_a 68)), 69484#(and (<= 66 proc_a) (<= proc_a 66)), 69487#(and (<= 72 proc_a) (<= proc_a 72)), 69486#(and (<= proc_a 70) (<= 70 proc_a)), 69489#(and (<= proc_a 76) (<= 76 proc_a)), 69488#(and (<= proc_a 74) (<= 74 proc_a)), 69491#(and (<= proc_a 80) (<= 80 proc_a)), 69490#(and (<= 78 proc_a) (<= proc_a 78)), 69493#(and (<= proc_a 84) (<= 84 proc_a)), 69492#(and (<= 82 proc_a) (<= proc_a 82)), 69495#(and (<= 88 proc_a) (<= proc_a 88)), 69494#(and (<= 86 proc_a) (<= proc_a 86)), 69497#(and (<= 92 proc_a) (<= proc_a 92)), 69496#(and (<= proc_a 90) (<= 90 proc_a)), 69499#(and (<= proc_a 96) (<= 96 proc_a)), 69498#(and (<= proc_a 94) (<= 94 proc_a)), 69501#(and (<= proc_a 100) (<= 100 proc_a)), 69500#(and (<= 98 proc_a) (<= proc_a 98)), 69503#(and (<= proc_a 104) (<= 104 proc_a)), 69502#(and (<= 102 proc_a) (<= proc_a 102)), 69505#(and (<= proc_a 108) (<= 108 proc_a)), 69504#(and (<= 106 proc_a) (<= proc_a 106)), 69507#(and (<= proc_a 112) (<= 112 proc_a)), 69506#(and (<= proc_a 110) (<= 110 proc_a)), 69509#(and (<= 116 proc_a) (<= proc_a 116)), 69508#(and (<= 114 proc_a) (<= proc_a 114)), 69511#(and (<= 120 proc_a) (<= proc_a 120)), 69510#(and (<= proc_a 118) (<= 118 proc_a)), 69513#(and (<= proc_a 124) (<= 124 proc_a)), 69512#(and (<= proc_a 122) (<= 122 proc_a)), 69515#(and (<= 128 proc_a) (<= proc_a 128)), 69514#(and (<= proc_a 126) (<= 126 proc_a)), 69517#(and (<= 132 proc_a) (<= proc_a 132)), 69516#(and (<= proc_a 130) (<= 130 proc_a)), 69519#(and (<= proc_a 136) (<= 136 proc_a)), 69518#(and (<= proc_a 134) (<= 134 proc_a)), 69521#(and (<= proc_a 140) (<= 140 proc_a)), 69520#(and (<= proc_a 138) (<= 138 proc_a)), 69523#(and (<= 144 proc_a) (<= proc_a 144)), 69522#(and (<= 142 proc_a) (<= proc_a 142)), 69525#(and (<= 148 proc_a) (<= proc_a 148)), 69524#(and (<= proc_a 146) (<= 146 proc_a)), 69527#(and (<= proc_a 152) (<= 152 proc_a)), 69526#(and (<= proc_a 150) (<= 150 proc_a)), 69529#(and (<= 156 proc_a) (<= proc_a 156)), 69528#(and (<= 154 proc_a) (<= proc_a 154)), 69531#(and (<= 160 proc_a) (<= proc_a 160)), 69530#(and (<= proc_a 158) (<= 158 proc_a)), 69533#(and (<= 164 proc_a) (<= proc_a 164)), 69532#(and (<= proc_a 162) (<= 162 proc_a)), 69535#(and (<= 168 proc_a) (<= proc_a 168)), 69534#(and (<= 166 proc_a) (<= proc_a 166)), 69537#(and (<= 172 proc_a) (<= proc_a 172)), 69536#(and (<= 170 proc_a) (<= proc_a 170)), 69539#(and (<= 176 proc_a) (<= proc_a 176)), 69538#(and (<= proc_a 174) (<= 174 proc_a)), 69541#(and (<= proc_a 180) (<= 180 proc_a)), 69540#(and (<= 178 proc_a) (<= proc_a 178)), 69543#(and (<= 184 proc_a) (<= proc_a 184)), 69542#(and (<= proc_a 182) (<= 182 proc_a)), 69545#(and (<= 188 proc_a) (<= proc_a 188)), 69544#(and (<= 186 proc_a) (<= proc_a 186)), 69547#(and (<= proc_a 192) (<= 192 proc_a)), 69546#(and (<= 190 proc_a) (<= proc_a 190)), 69549#(and (<= proc_a 196) (<= 196 proc_a)), 69548#(and (<= 194 proc_a) (<= proc_a 194)), 69551#(and (<= proc_a 200) (<= 200 proc_a)), 69550#(and (<= 198 proc_a) (<= proc_a 198)), 69553#(and (<= 204 proc_a) (<= proc_a 204)), 69552#(and (<= proc_a 202) (<= 202 proc_a)), 69555#(and (<= 208 proc_a) (<= proc_a 208)), 69554#(and (<= 206 proc_a) (<= proc_a 206)), 69557#(and (<= proc_a 212) (<= 212 proc_a)), 69556#(and (<= proc_a 210) (<= 210 proc_a)), 69559#(and (<= 216 proc_a) (<= proc_a 216)), 69558#(and (<= 214 proc_a) (<= proc_a 214)), 69561#(and (<= proc_a 220) (<= 220 proc_a)), 69560#(and (<= proc_a 218) (<= 218 proc_a)), 69563#(and (<= 224 proc_a) (<= proc_a 224)), 69562#(and (<= 222 proc_a) (<= proc_a 222)), 69565#(and (<= 228 proc_a) (<= proc_a 228)), 69564#(and (<= proc_a 226) (<= 226 proc_a)), 69567#(and (<= 232 proc_a) (<= proc_a 232)), 69566#(and (<= proc_a 230) (<= 230 proc_a)), 69569#(and (<= proc_a 236) (<= 236 proc_a)), 69568#(and (<= proc_a 234) (<= 234 proc_a)), 69571#(and (<= 240 proc_a) (<= proc_a 240)), 69570#(and (<= 238 proc_a) (<= proc_a 238)), 69573#(and (<= proc_a 244) (<= 244 proc_a)), 69572#(and (<= proc_a 242) (<= 242 proc_a)), 69575#(and (<= 248 proc_a) (<= proc_a 248)), 69574#(and (<= proc_a 246) (<= 246 proc_a)), 69577#(and (<= 252 proc_a) (<= proc_a 252)), 69576#(and (<= proc_a 250) (<= 250 proc_a)), 69579#(and (<= proc_a 256) (<= 256 proc_a)), 69578#(and (<= 254 proc_a) (<= proc_a 254)), 69581#(and (<= proc_a 260) (<= 260 proc_a)), 69580#(and (<= 258 proc_a) (<= proc_a 258)), 69583#(and (<= proc_a 264) (<= 264 proc_a)), 69582#(and (<= 262 proc_a) (<= proc_a 262)), 69585#(and (<= proc_a 268) (<= 268 proc_a)), 69584#(and (<= 266 proc_a) (<= proc_a 266)), 69587#(and (<= proc_a 272) (<= 272 proc_a)), 69586#(and (<= proc_a 270) (<= 270 proc_a)), 69589#(and (<= proc_a 276) (<= 276 proc_a)), 69588#(and (<= proc_a 274) (<= 274 proc_a)), 69591#(and (<= proc_a 280) (<= 280 proc_a)), 69590#(and (<= proc_a 278) (<= 278 proc_a)), 69593#(and (<= proc_a 284) (<= 284 proc_a)), 69592#(and (<= proc_a 282) (<= 282 proc_a)), 69595#(and (<= proc_a 288) (<= 288 proc_a)), 69594#(and (<= proc_a 286) (<= 286 proc_a)), 69597#(and (<= proc_a 292) (<= 292 proc_a)), 69596#(and (<= proc_a 290) (<= 290 proc_a)), 69599#(and (<= 296 proc_a) (<= proc_a 296)), 69598#(and (<= 294 proc_a) (<= proc_a 294)), 69601#(and (<= proc_a 300) (<= 300 proc_a)), 69600#(and (<= 298 proc_a) (<= proc_a 298)), 69603#(and (<= proc_a 304) (<= 304 proc_a)), 69602#(and (<= proc_a 302) (<= 302 proc_a)), 69605#(and (<= 308 proc_a) (<= proc_a 308)), 69604#(and (<= 306 proc_a) (<= proc_a 306)), 69607#(and (<= proc_a 312) (<= 312 proc_a)), 69606#(and (<= proc_a 310) (<= 310 proc_a)), 69609#(and (<= 316 proc_a) (<= proc_a 316)), 69608#(and (<= proc_a 314) (<= 314 proc_a)), 69611#(and (<= proc_a 320) (<= 320 proc_a)), 69610#(and (<= 318 proc_a) (<= proc_a 318)), 69613#(and (<= 324 proc_a) (<= proc_a 324)), 69612#(and (<= proc_a 322) (<= 322 proc_a)), 69614#(and (<= proc_a 326) (<= 326 proc_a))] [2018-07-23 13:53:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 13366 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:13,823 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:53:13,823 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:53:13,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=27061, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:53:13,825 INFO L87 Difference]: Start difference. First operand 166 states and 166 transitions. Second operand 166 states. [2018-07-23 13:53:15,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:15,208 INFO L93 Difference]: Finished difference Result 168 states and 168 transitions. [2018-07-23 13:53:15,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:53:15,208 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 165 [2018-07-23 13:53:15,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:15,209 INFO L225 Difference]: With dead ends: 168 [2018-07-23 13:53:15,209 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:53:15,210 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=329, Invalid=27061, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:53:15,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:53:15,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:53:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:53:15,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:53:15,214 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 165 [2018-07-23 13:53:15,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:15,214 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:53:15,214 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:53:15,214 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:53:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:53:15,215 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:15,215 INFO L357 BasicCegarLoop]: trace histogram [164, 1, 1] [2018-07-23 13:53:15,215 INFO L414 AbstractCegarLoop]: === Iteration 165 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:15,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1620704839, now seen corresponding path program 164 times [2018-07-23 13:53:15,215 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 13530 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:16,307 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:16,307 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:53:16,308 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:16,308 INFO L185 omatonBuilderFactory]: Interpolants [70401#(and (<= 228 proc_a) (<= proc_a 228)), 70400#(and (<= proc_a 226) (<= 226 proc_a)), 70403#(and (<= 232 proc_a) (<= proc_a 232)), 70402#(and (<= proc_a 230) (<= 230 proc_a)), 70405#(and (<= proc_a 236) (<= 236 proc_a)), 70404#(and (<= proc_a 234) (<= 234 proc_a)), 70407#(and (<= 240 proc_a) (<= proc_a 240)), 70406#(and (<= 238 proc_a) (<= proc_a 238)), 70409#(and (<= proc_a 244) (<= 244 proc_a)), 70408#(and (<= proc_a 242) (<= 242 proc_a)), 70411#(and (<= 248 proc_a) (<= proc_a 248)), 70410#(and (<= proc_a 246) (<= 246 proc_a)), 70413#(and (<= 252 proc_a) (<= proc_a 252)), 70412#(and (<= proc_a 250) (<= 250 proc_a)), 70415#(and (<= proc_a 256) (<= 256 proc_a)), 70414#(and (<= 254 proc_a) (<= proc_a 254)), 70417#(and (<= proc_a 260) (<= 260 proc_a)), 70416#(and (<= 258 proc_a) (<= proc_a 258)), 70419#(and (<= proc_a 264) (<= 264 proc_a)), 70418#(and (<= 262 proc_a) (<= proc_a 262)), 70421#(and (<= proc_a 268) (<= 268 proc_a)), 70420#(and (<= 266 proc_a) (<= proc_a 266)), 70423#(and (<= proc_a 272) (<= 272 proc_a)), 70422#(and (<= proc_a 270) (<= 270 proc_a)), 70425#(and (<= proc_a 276) (<= 276 proc_a)), 70424#(and (<= proc_a 274) (<= 274 proc_a)), 70427#(and (<= proc_a 280) (<= 280 proc_a)), 70426#(and (<= proc_a 278) (<= 278 proc_a)), 70429#(and (<= proc_a 284) (<= 284 proc_a)), 70428#(and (<= proc_a 282) (<= 282 proc_a)), 70431#(and (<= proc_a 288) (<= 288 proc_a)), 70430#(and (<= proc_a 286) (<= 286 proc_a)), 70433#(and (<= proc_a 292) (<= 292 proc_a)), 70432#(and (<= proc_a 290) (<= 290 proc_a)), 70435#(and (<= 296 proc_a) (<= proc_a 296)), 70434#(and (<= 294 proc_a) (<= proc_a 294)), 70437#(and (<= proc_a 300) (<= 300 proc_a)), 70436#(and (<= 298 proc_a) (<= proc_a 298)), 70439#(and (<= proc_a 304) (<= 304 proc_a)), 70438#(and (<= proc_a 302) (<= 302 proc_a)), 70441#(and (<= 308 proc_a) (<= proc_a 308)), 70440#(and (<= 306 proc_a) (<= proc_a 306)), 70443#(and (<= proc_a 312) (<= 312 proc_a)), 70442#(and (<= proc_a 310) (<= 310 proc_a)), 70445#(and (<= 316 proc_a) (<= proc_a 316)), 70444#(and (<= proc_a 314) (<= 314 proc_a)), 70447#(and (<= proc_a 320) (<= 320 proc_a)), 70446#(and (<= 318 proc_a) (<= proc_a 318)), 70449#(and (<= 324 proc_a) (<= proc_a 324)), 70448#(and (<= proc_a 322) (<= 322 proc_a)), 70451#(and (<= proc_a 328) (<= 328 proc_a)), 70450#(and (<= proc_a 326) (<= 326 proc_a)), 70285#true, 70287#(and (<= proc_a 0) (<= 0 proc_a)), 70286#false, 70289#(and (<= 4 proc_a) (<= proc_a 4)), 70288#(and (<= 2 proc_a) (<= proc_a 2)), 70291#(and (<= proc_a 8) (<= 8 proc_a)), 70290#(and (<= 6 proc_a) (<= proc_a 6)), 70293#(and (<= proc_a 12) (<= 12 proc_a)), 70292#(and (<= 10 proc_a) (<= proc_a 10)), 70295#(and (<= proc_a 16) (<= 16 proc_a)), 70294#(and (<= 14 proc_a) (<= proc_a 14)), 70297#(and (<= 20 proc_a) (<= proc_a 20)), 70296#(and (<= 18 proc_a) (<= proc_a 18)), 70299#(and (<= 24 proc_a) (<= proc_a 24)), 70298#(and (<= 22 proc_a) (<= proc_a 22)), 70301#(and (<= proc_a 28) (<= 28 proc_a)), 70300#(and (<= 26 proc_a) (<= proc_a 26)), 70303#(and (<= 32 proc_a) (<= proc_a 32)), 70302#(and (<= proc_a 30) (<= 30 proc_a)), 70305#(and (<= 36 proc_a) (<= proc_a 36)), 70304#(and (<= 34 proc_a) (<= proc_a 34)), 70307#(and (<= 40 proc_a) (<= proc_a 40)), 70306#(and (<= 38 proc_a) (<= proc_a 38)), 70309#(and (<= proc_a 44) (<= 44 proc_a)), 70308#(and (<= proc_a 42) (<= 42 proc_a)), 70311#(and (<= 48 proc_a) (<= proc_a 48)), 70310#(and (<= proc_a 46) (<= 46 proc_a)), 70313#(and (<= 52 proc_a) (<= proc_a 52)), 70312#(and (<= 50 proc_a) (<= proc_a 50)), 70315#(and (<= proc_a 56) (<= 56 proc_a)), 70314#(and (<= 54 proc_a) (<= proc_a 54)), 70317#(and (<= 60 proc_a) (<= proc_a 60)), 70316#(and (<= proc_a 58) (<= 58 proc_a)), 70319#(and (<= 64 proc_a) (<= proc_a 64)), 70318#(and (<= 62 proc_a) (<= proc_a 62)), 70321#(and (<= 68 proc_a) (<= proc_a 68)), 70320#(and (<= 66 proc_a) (<= proc_a 66)), 70323#(and (<= 72 proc_a) (<= proc_a 72)), 70322#(and (<= proc_a 70) (<= 70 proc_a)), 70325#(and (<= proc_a 76) (<= 76 proc_a)), 70324#(and (<= proc_a 74) (<= 74 proc_a)), 70327#(and (<= proc_a 80) (<= 80 proc_a)), 70326#(and (<= 78 proc_a) (<= proc_a 78)), 70329#(and (<= proc_a 84) (<= 84 proc_a)), 70328#(and (<= 82 proc_a) (<= proc_a 82)), 70331#(and (<= 88 proc_a) (<= proc_a 88)), 70330#(and (<= 86 proc_a) (<= proc_a 86)), 70333#(and (<= 92 proc_a) (<= proc_a 92)), 70332#(and (<= proc_a 90) (<= 90 proc_a)), 70335#(and (<= proc_a 96) (<= 96 proc_a)), 70334#(and (<= proc_a 94) (<= 94 proc_a)), 70337#(and (<= proc_a 100) (<= 100 proc_a)), 70336#(and (<= 98 proc_a) (<= proc_a 98)), 70339#(and (<= proc_a 104) (<= 104 proc_a)), 70338#(and (<= 102 proc_a) (<= proc_a 102)), 70341#(and (<= proc_a 108) (<= 108 proc_a)), 70340#(and (<= 106 proc_a) (<= proc_a 106)), 70343#(and (<= proc_a 112) (<= 112 proc_a)), 70342#(and (<= proc_a 110) (<= 110 proc_a)), 70345#(and (<= 116 proc_a) (<= proc_a 116)), 70344#(and (<= 114 proc_a) (<= proc_a 114)), 70347#(and (<= 120 proc_a) (<= proc_a 120)), 70346#(and (<= proc_a 118) (<= 118 proc_a)), 70349#(and (<= proc_a 124) (<= 124 proc_a)), 70348#(and (<= proc_a 122) (<= 122 proc_a)), 70351#(and (<= 128 proc_a) (<= proc_a 128)), 70350#(and (<= proc_a 126) (<= 126 proc_a)), 70353#(and (<= 132 proc_a) (<= proc_a 132)), 70352#(and (<= proc_a 130) (<= 130 proc_a)), 70355#(and (<= proc_a 136) (<= 136 proc_a)), 70354#(and (<= proc_a 134) (<= 134 proc_a)), 70357#(and (<= proc_a 140) (<= 140 proc_a)), 70356#(and (<= proc_a 138) (<= 138 proc_a)), 70359#(and (<= 144 proc_a) (<= proc_a 144)), 70358#(and (<= 142 proc_a) (<= proc_a 142)), 70361#(and (<= 148 proc_a) (<= proc_a 148)), 70360#(and (<= proc_a 146) (<= 146 proc_a)), 70363#(and (<= proc_a 152) (<= 152 proc_a)), 70362#(and (<= proc_a 150) (<= 150 proc_a)), 70365#(and (<= 156 proc_a) (<= proc_a 156)), 70364#(and (<= 154 proc_a) (<= proc_a 154)), 70367#(and (<= 160 proc_a) (<= proc_a 160)), 70366#(and (<= proc_a 158) (<= 158 proc_a)), 70369#(and (<= 164 proc_a) (<= proc_a 164)), 70368#(and (<= proc_a 162) (<= 162 proc_a)), 70371#(and (<= 168 proc_a) (<= proc_a 168)), 70370#(and (<= 166 proc_a) (<= proc_a 166)), 70373#(and (<= 172 proc_a) (<= proc_a 172)), 70372#(and (<= 170 proc_a) (<= proc_a 170)), 70375#(and (<= 176 proc_a) (<= proc_a 176)), 70374#(and (<= proc_a 174) (<= 174 proc_a)), 70377#(and (<= proc_a 180) (<= 180 proc_a)), 70376#(and (<= 178 proc_a) (<= proc_a 178)), 70379#(and (<= 184 proc_a) (<= proc_a 184)), 70378#(and (<= proc_a 182) (<= 182 proc_a)), 70381#(and (<= 188 proc_a) (<= proc_a 188)), 70380#(and (<= 186 proc_a) (<= proc_a 186)), 70383#(and (<= proc_a 192) (<= 192 proc_a)), 70382#(and (<= 190 proc_a) (<= proc_a 190)), 70385#(and (<= proc_a 196) (<= 196 proc_a)), 70384#(and (<= 194 proc_a) (<= proc_a 194)), 70387#(and (<= proc_a 200) (<= 200 proc_a)), 70386#(and (<= 198 proc_a) (<= proc_a 198)), 70389#(and (<= 204 proc_a) (<= proc_a 204)), 70388#(and (<= proc_a 202) (<= 202 proc_a)), 70391#(and (<= 208 proc_a) (<= proc_a 208)), 70390#(and (<= 206 proc_a) (<= proc_a 206)), 70393#(and (<= proc_a 212) (<= 212 proc_a)), 70392#(and (<= proc_a 210) (<= 210 proc_a)), 70395#(and (<= 216 proc_a) (<= proc_a 216)), 70394#(and (<= 214 proc_a) (<= proc_a 214)), 70397#(and (<= proc_a 220) (<= 220 proc_a)), 70396#(and (<= proc_a 218) (<= 218 proc_a)), 70399#(and (<= 224 proc_a) (<= proc_a 224)), 70398#(and (<= 222 proc_a) (<= proc_a 222))] [2018-07-23 13:53:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 13530 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:16,309 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:53:16,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:53:16,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=27391, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:53:16,311 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 167 states. [2018-07-23 13:53:17,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:17,721 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:53:17,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:53:17,721 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 166 [2018-07-23 13:53:17,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:17,722 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:53:17,722 INFO L226 Difference]: Without dead ends: 168 [2018-07-23 13:53:17,723 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=331, Invalid=27391, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:53:17,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-23 13:53:17,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-07-23 13:53:17,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-07-23 13:53:17,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 168 transitions. [2018-07-23 13:53:17,728 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 168 transitions. Word has length 166 [2018-07-23 13:53:17,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:17,728 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 168 transitions. [2018-07-23 13:53:17,728 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:53:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 168 transitions. [2018-07-23 13:53:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-07-23 13:53:17,728 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:17,729 INFO L357 BasicCegarLoop]: trace histogram [165, 1, 1] [2018-07-23 13:53:17,729 INFO L414 AbstractCegarLoop]: === Iteration 166 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:17,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1297757599, now seen corresponding path program 165 times [2018-07-23 13:53:17,729 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 13695 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:18,868 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:18,868 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:53:18,868 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:18,869 INFO L185 omatonBuilderFactory]: Interpolants [71169#(and (<= 82 proc_a) (<= proc_a 82)), 71168#(and (<= proc_a 80) (<= 80 proc_a)), 71171#(and (<= 86 proc_a) (<= proc_a 86)), 71170#(and (<= proc_a 84) (<= 84 proc_a)), 71173#(and (<= proc_a 90) (<= 90 proc_a)), 71172#(and (<= 88 proc_a) (<= proc_a 88)), 71175#(and (<= proc_a 94) (<= 94 proc_a)), 71174#(and (<= 92 proc_a) (<= proc_a 92)), 71177#(and (<= 98 proc_a) (<= proc_a 98)), 71176#(and (<= proc_a 96) (<= 96 proc_a)), 71179#(and (<= 102 proc_a) (<= proc_a 102)), 71178#(and (<= proc_a 100) (<= 100 proc_a)), 71181#(and (<= 106 proc_a) (<= proc_a 106)), 71180#(and (<= proc_a 104) (<= 104 proc_a)), 71183#(and (<= proc_a 110) (<= 110 proc_a)), 71182#(and (<= proc_a 108) (<= 108 proc_a)), 71185#(and (<= 114 proc_a) (<= proc_a 114)), 71184#(and (<= proc_a 112) (<= 112 proc_a)), 71187#(and (<= proc_a 118) (<= 118 proc_a)), 71186#(and (<= 116 proc_a) (<= proc_a 116)), 71189#(and (<= proc_a 122) (<= 122 proc_a)), 71188#(and (<= 120 proc_a) (<= proc_a 120)), 71191#(and (<= proc_a 126) (<= 126 proc_a)), 71190#(and (<= proc_a 124) (<= 124 proc_a)), 71193#(and (<= proc_a 130) (<= 130 proc_a)), 71192#(and (<= 128 proc_a) (<= proc_a 128)), 71195#(and (<= proc_a 134) (<= 134 proc_a)), 71194#(and (<= 132 proc_a) (<= proc_a 132)), 71197#(and (<= proc_a 138) (<= 138 proc_a)), 71196#(and (<= proc_a 136) (<= 136 proc_a)), 71199#(and (<= 142 proc_a) (<= proc_a 142)), 71198#(and (<= proc_a 140) (<= 140 proc_a)), 71201#(and (<= proc_a 146) (<= 146 proc_a)), 71200#(and (<= 144 proc_a) (<= proc_a 144)), 71203#(and (<= proc_a 150) (<= 150 proc_a)), 71202#(and (<= 148 proc_a) (<= proc_a 148)), 71205#(and (<= 154 proc_a) (<= proc_a 154)), 71204#(and (<= proc_a 152) (<= 152 proc_a)), 71207#(and (<= proc_a 158) (<= 158 proc_a)), 71206#(and (<= 156 proc_a) (<= proc_a 156)), 71209#(and (<= proc_a 162) (<= 162 proc_a)), 71208#(and (<= 160 proc_a) (<= proc_a 160)), 71211#(and (<= 166 proc_a) (<= proc_a 166)), 71210#(and (<= 164 proc_a) (<= proc_a 164)), 71213#(and (<= 170 proc_a) (<= proc_a 170)), 71212#(and (<= 168 proc_a) (<= proc_a 168)), 71215#(and (<= proc_a 174) (<= 174 proc_a)), 71214#(and (<= 172 proc_a) (<= proc_a 172)), 71217#(and (<= 178 proc_a) (<= proc_a 178)), 71216#(and (<= 176 proc_a) (<= proc_a 176)), 71219#(and (<= proc_a 182) (<= 182 proc_a)), 71218#(and (<= proc_a 180) (<= 180 proc_a)), 71221#(and (<= 186 proc_a) (<= proc_a 186)), 71220#(and (<= 184 proc_a) (<= proc_a 184)), 71223#(and (<= 190 proc_a) (<= proc_a 190)), 71222#(and (<= 188 proc_a) (<= proc_a 188)), 71225#(and (<= 194 proc_a) (<= proc_a 194)), 71224#(and (<= proc_a 192) (<= 192 proc_a)), 71227#(and (<= 198 proc_a) (<= proc_a 198)), 71226#(and (<= proc_a 196) (<= 196 proc_a)), 71229#(and (<= proc_a 202) (<= 202 proc_a)), 71228#(and (<= proc_a 200) (<= 200 proc_a)), 71231#(and (<= 206 proc_a) (<= proc_a 206)), 71230#(and (<= 204 proc_a) (<= proc_a 204)), 71233#(and (<= proc_a 210) (<= 210 proc_a)), 71232#(and (<= 208 proc_a) (<= proc_a 208)), 71235#(and (<= 214 proc_a) (<= proc_a 214)), 71234#(and (<= proc_a 212) (<= 212 proc_a)), 71237#(and (<= proc_a 218) (<= 218 proc_a)), 71236#(and (<= 216 proc_a) (<= proc_a 216)), 71239#(and (<= 222 proc_a) (<= proc_a 222)), 71238#(and (<= proc_a 220) (<= 220 proc_a)), 71241#(and (<= proc_a 226) (<= 226 proc_a)), 71240#(and (<= 224 proc_a) (<= proc_a 224)), 71243#(and (<= proc_a 230) (<= 230 proc_a)), 71242#(and (<= 228 proc_a) (<= proc_a 228)), 71245#(and (<= proc_a 234) (<= 234 proc_a)), 71244#(and (<= 232 proc_a) (<= proc_a 232)), 71247#(and (<= 238 proc_a) (<= proc_a 238)), 71246#(and (<= proc_a 236) (<= 236 proc_a)), 71249#(and (<= proc_a 242) (<= 242 proc_a)), 71248#(and (<= 240 proc_a) (<= proc_a 240)), 71251#(and (<= proc_a 246) (<= 246 proc_a)), 71250#(and (<= proc_a 244) (<= 244 proc_a)), 71253#(and (<= proc_a 250) (<= 250 proc_a)), 71252#(and (<= 248 proc_a) (<= proc_a 248)), 71255#(and (<= 254 proc_a) (<= proc_a 254)), 71254#(and (<= 252 proc_a) (<= proc_a 252)), 71257#(and (<= 258 proc_a) (<= proc_a 258)), 71256#(and (<= proc_a 256) (<= 256 proc_a)), 71259#(and (<= 262 proc_a) (<= proc_a 262)), 71258#(and (<= proc_a 260) (<= 260 proc_a)), 71261#(and (<= 266 proc_a) (<= proc_a 266)), 71260#(and (<= proc_a 264) (<= 264 proc_a)), 71263#(and (<= proc_a 270) (<= 270 proc_a)), 71262#(and (<= proc_a 268) (<= 268 proc_a)), 71265#(and (<= proc_a 274) (<= 274 proc_a)), 71264#(and (<= proc_a 272) (<= 272 proc_a)), 71267#(and (<= proc_a 278) (<= 278 proc_a)), 71266#(and (<= proc_a 276) (<= 276 proc_a)), 71269#(and (<= proc_a 282) (<= 282 proc_a)), 71268#(and (<= proc_a 280) (<= 280 proc_a)), 71271#(and (<= proc_a 286) (<= 286 proc_a)), 71270#(and (<= proc_a 284) (<= 284 proc_a)), 71273#(and (<= proc_a 290) (<= 290 proc_a)), 71272#(and (<= proc_a 288) (<= 288 proc_a)), 71275#(and (<= 294 proc_a) (<= proc_a 294)), 71274#(and (<= proc_a 292) (<= 292 proc_a)), 71277#(and (<= 298 proc_a) (<= proc_a 298)), 71276#(and (<= 296 proc_a) (<= proc_a 296)), 71279#(and (<= proc_a 302) (<= 302 proc_a)), 71278#(and (<= proc_a 300) (<= 300 proc_a)), 71281#(and (<= 306 proc_a) (<= proc_a 306)), 71280#(and (<= proc_a 304) (<= 304 proc_a)), 71283#(and (<= proc_a 310) (<= 310 proc_a)), 71282#(and (<= 308 proc_a) (<= proc_a 308)), 71285#(and (<= proc_a 314) (<= 314 proc_a)), 71284#(and (<= proc_a 312) (<= 312 proc_a)), 71287#(and (<= 318 proc_a) (<= proc_a 318)), 71286#(and (<= 316 proc_a) (<= proc_a 316)), 71289#(and (<= proc_a 322) (<= 322 proc_a)), 71288#(and (<= proc_a 320) (<= 320 proc_a)), 71291#(and (<= proc_a 326) (<= 326 proc_a)), 71290#(and (<= 324 proc_a) (<= proc_a 324)), 71293#(and (<= proc_a 330) (<= 330 proc_a)), 71292#(and (<= proc_a 328) (<= 328 proc_a)), 71127#false, 71126#true, 71129#(and (<= 2 proc_a) (<= proc_a 2)), 71128#(and (<= proc_a 0) (<= 0 proc_a)), 71131#(and (<= 6 proc_a) (<= proc_a 6)), 71130#(and (<= 4 proc_a) (<= proc_a 4)), 71133#(and (<= 10 proc_a) (<= proc_a 10)), 71132#(and (<= proc_a 8) (<= 8 proc_a)), 71135#(and (<= 14 proc_a) (<= proc_a 14)), 71134#(and (<= proc_a 12) (<= 12 proc_a)), 71137#(and (<= 18 proc_a) (<= proc_a 18)), 71136#(and (<= proc_a 16) (<= 16 proc_a)), 71139#(and (<= 22 proc_a) (<= proc_a 22)), 71138#(and (<= 20 proc_a) (<= proc_a 20)), 71141#(and (<= 26 proc_a) (<= proc_a 26)), 71140#(and (<= 24 proc_a) (<= proc_a 24)), 71143#(and (<= proc_a 30) (<= 30 proc_a)), 71142#(and (<= proc_a 28) (<= 28 proc_a)), 71145#(and (<= 34 proc_a) (<= proc_a 34)), 71144#(and (<= 32 proc_a) (<= proc_a 32)), 71147#(and (<= 38 proc_a) (<= proc_a 38)), 71146#(and (<= 36 proc_a) (<= proc_a 36)), 71149#(and (<= proc_a 42) (<= 42 proc_a)), 71148#(and (<= 40 proc_a) (<= proc_a 40)), 71151#(and (<= proc_a 46) (<= 46 proc_a)), 71150#(and (<= proc_a 44) (<= 44 proc_a)), 71153#(and (<= 50 proc_a) (<= proc_a 50)), 71152#(and (<= 48 proc_a) (<= proc_a 48)), 71155#(and (<= 54 proc_a) (<= proc_a 54)), 71154#(and (<= 52 proc_a) (<= proc_a 52)), 71157#(and (<= proc_a 58) (<= 58 proc_a)), 71156#(and (<= proc_a 56) (<= 56 proc_a)), 71159#(and (<= 62 proc_a) (<= proc_a 62)), 71158#(and (<= 60 proc_a) (<= proc_a 60)), 71161#(and (<= 66 proc_a) (<= proc_a 66)), 71160#(and (<= 64 proc_a) (<= proc_a 64)), 71163#(and (<= proc_a 70) (<= 70 proc_a)), 71162#(and (<= 68 proc_a) (<= proc_a 68)), 71165#(and (<= proc_a 74) (<= 74 proc_a)), 71164#(and (<= 72 proc_a) (<= proc_a 72)), 71167#(and (<= 78 proc_a) (<= proc_a 78)), 71166#(and (<= proc_a 76) (<= 76 proc_a))] [2018-07-23 13:53:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 13695 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:18,869 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:53:18,870 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:53:18,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=27723, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:53:18,871 INFO L87 Difference]: Start difference. First operand 168 states and 168 transitions. Second operand 168 states. [2018-07-23 13:53:20,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:20,243 INFO L93 Difference]: Finished difference Result 170 states and 170 transitions. [2018-07-23 13:53:20,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:53:20,243 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 167 [2018-07-23 13:53:20,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:20,244 INFO L225 Difference]: With dead ends: 170 [2018-07-23 13:53:20,244 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:53:20,245 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=333, Invalid=27723, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:53:20,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:53:20,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:53:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:53:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:53:20,249 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 167 [2018-07-23 13:53:20,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:20,250 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:53:20,250 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:53:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:53:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:53:20,250 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:20,250 INFO L357 BasicCegarLoop]: trace histogram [166, 1, 1] [2018-07-23 13:53:20,250 INFO L414 AbstractCegarLoop]: === Iteration 167 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:20,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1575779961, now seen corresponding path program 166 times [2018-07-23 13:53:20,251 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 13861 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:21,367 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:21,367 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:53:21,367 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:21,367 INFO L185 omatonBuilderFactory]: Interpolants [71973#false, 71972#true, 71975#(and (<= 2 proc_a) (<= proc_a 2)), 71974#(and (<= proc_a 0) (<= 0 proc_a)), 71977#(and (<= 6 proc_a) (<= proc_a 6)), 71976#(and (<= 4 proc_a) (<= proc_a 4)), 71979#(and (<= 10 proc_a) (<= proc_a 10)), 71978#(and (<= proc_a 8) (<= 8 proc_a)), 71981#(and (<= 14 proc_a) (<= proc_a 14)), 71980#(and (<= proc_a 12) (<= 12 proc_a)), 71983#(and (<= 18 proc_a) (<= proc_a 18)), 71982#(and (<= proc_a 16) (<= 16 proc_a)), 71985#(and (<= 22 proc_a) (<= proc_a 22)), 71984#(and (<= 20 proc_a) (<= proc_a 20)), 71987#(and (<= 26 proc_a) (<= proc_a 26)), 71986#(and (<= 24 proc_a) (<= proc_a 24)), 71989#(and (<= proc_a 30) (<= 30 proc_a)), 71988#(and (<= proc_a 28) (<= 28 proc_a)), 71991#(and (<= 34 proc_a) (<= proc_a 34)), 71990#(and (<= 32 proc_a) (<= proc_a 32)), 71993#(and (<= 38 proc_a) (<= proc_a 38)), 71992#(and (<= 36 proc_a) (<= proc_a 36)), 71995#(and (<= proc_a 42) (<= 42 proc_a)), 71994#(and (<= 40 proc_a) (<= proc_a 40)), 71997#(and (<= proc_a 46) (<= 46 proc_a)), 71996#(and (<= proc_a 44) (<= 44 proc_a)), 71999#(and (<= 50 proc_a) (<= proc_a 50)), 71998#(and (<= 48 proc_a) (<= proc_a 48)), 72001#(and (<= 54 proc_a) (<= proc_a 54)), 72000#(and (<= 52 proc_a) (<= proc_a 52)), 72003#(and (<= proc_a 58) (<= 58 proc_a)), 72002#(and (<= proc_a 56) (<= 56 proc_a)), 72005#(and (<= 62 proc_a) (<= proc_a 62)), 72004#(and (<= 60 proc_a) (<= proc_a 60)), 72007#(and (<= 66 proc_a) (<= proc_a 66)), 72006#(and (<= 64 proc_a) (<= proc_a 64)), 72009#(and (<= proc_a 70) (<= 70 proc_a)), 72008#(and (<= 68 proc_a) (<= proc_a 68)), 72011#(and (<= proc_a 74) (<= 74 proc_a)), 72010#(and (<= 72 proc_a) (<= proc_a 72)), 72013#(and (<= 78 proc_a) (<= proc_a 78)), 72012#(and (<= proc_a 76) (<= 76 proc_a)), 72015#(and (<= 82 proc_a) (<= proc_a 82)), 72014#(and (<= proc_a 80) (<= 80 proc_a)), 72017#(and (<= 86 proc_a) (<= proc_a 86)), 72016#(and (<= proc_a 84) (<= 84 proc_a)), 72019#(and (<= proc_a 90) (<= 90 proc_a)), 72018#(and (<= 88 proc_a) (<= proc_a 88)), 72021#(and (<= proc_a 94) (<= 94 proc_a)), 72020#(and (<= 92 proc_a) (<= proc_a 92)), 72023#(and (<= 98 proc_a) (<= proc_a 98)), 72022#(and (<= proc_a 96) (<= 96 proc_a)), 72025#(and (<= 102 proc_a) (<= proc_a 102)), 72024#(and (<= proc_a 100) (<= 100 proc_a)), 72027#(and (<= 106 proc_a) (<= proc_a 106)), 72026#(and (<= proc_a 104) (<= 104 proc_a)), 72029#(and (<= proc_a 110) (<= 110 proc_a)), 72028#(and (<= proc_a 108) (<= 108 proc_a)), 72031#(and (<= 114 proc_a) (<= proc_a 114)), 72030#(and (<= proc_a 112) (<= 112 proc_a)), 72033#(and (<= proc_a 118) (<= 118 proc_a)), 72032#(and (<= 116 proc_a) (<= proc_a 116)), 72035#(and (<= proc_a 122) (<= 122 proc_a)), 72034#(and (<= 120 proc_a) (<= proc_a 120)), 72037#(and (<= proc_a 126) (<= 126 proc_a)), 72036#(and (<= proc_a 124) (<= 124 proc_a)), 72039#(and (<= proc_a 130) (<= 130 proc_a)), 72038#(and (<= 128 proc_a) (<= proc_a 128)), 72041#(and (<= proc_a 134) (<= 134 proc_a)), 72040#(and (<= 132 proc_a) (<= proc_a 132)), 72043#(and (<= proc_a 138) (<= 138 proc_a)), 72042#(and (<= proc_a 136) (<= 136 proc_a)), 72045#(and (<= 142 proc_a) (<= proc_a 142)), 72044#(and (<= proc_a 140) (<= 140 proc_a)), 72047#(and (<= proc_a 146) (<= 146 proc_a)), 72046#(and (<= 144 proc_a) (<= proc_a 144)), 72049#(and (<= proc_a 150) (<= 150 proc_a)), 72048#(and (<= 148 proc_a) (<= proc_a 148)), 72051#(and (<= 154 proc_a) (<= proc_a 154)), 72050#(and (<= proc_a 152) (<= 152 proc_a)), 72053#(and (<= proc_a 158) (<= 158 proc_a)), 72052#(and (<= 156 proc_a) (<= proc_a 156)), 72055#(and (<= proc_a 162) (<= 162 proc_a)), 72054#(and (<= 160 proc_a) (<= proc_a 160)), 72057#(and (<= 166 proc_a) (<= proc_a 166)), 72056#(and (<= 164 proc_a) (<= proc_a 164)), 72059#(and (<= 170 proc_a) (<= proc_a 170)), 72058#(and (<= 168 proc_a) (<= proc_a 168)), 72061#(and (<= proc_a 174) (<= 174 proc_a)), 72060#(and (<= 172 proc_a) (<= proc_a 172)), 72063#(and (<= 178 proc_a) (<= proc_a 178)), 72062#(and (<= 176 proc_a) (<= proc_a 176)), 72065#(and (<= proc_a 182) (<= 182 proc_a)), 72064#(and (<= proc_a 180) (<= 180 proc_a)), 72067#(and (<= 186 proc_a) (<= proc_a 186)), 72066#(and (<= 184 proc_a) (<= proc_a 184)), 72069#(and (<= 190 proc_a) (<= proc_a 190)), 72068#(and (<= 188 proc_a) (<= proc_a 188)), 72071#(and (<= 194 proc_a) (<= proc_a 194)), 72070#(and (<= proc_a 192) (<= 192 proc_a)), 72073#(and (<= 198 proc_a) (<= proc_a 198)), 72072#(and (<= proc_a 196) (<= 196 proc_a)), 72075#(and (<= proc_a 202) (<= 202 proc_a)), 72074#(and (<= proc_a 200) (<= 200 proc_a)), 72077#(and (<= 206 proc_a) (<= proc_a 206)), 72076#(and (<= 204 proc_a) (<= proc_a 204)), 72079#(and (<= proc_a 210) (<= 210 proc_a)), 72078#(and (<= 208 proc_a) (<= proc_a 208)), 72081#(and (<= 214 proc_a) (<= proc_a 214)), 72080#(and (<= proc_a 212) (<= 212 proc_a)), 72083#(and (<= proc_a 218) (<= 218 proc_a)), 72082#(and (<= 216 proc_a) (<= proc_a 216)), 72085#(and (<= 222 proc_a) (<= proc_a 222)), 72084#(and (<= proc_a 220) (<= 220 proc_a)), 72087#(and (<= proc_a 226) (<= 226 proc_a)), 72086#(and (<= 224 proc_a) (<= proc_a 224)), 72089#(and (<= proc_a 230) (<= 230 proc_a)), 72088#(and (<= 228 proc_a) (<= proc_a 228)), 72091#(and (<= proc_a 234) (<= 234 proc_a)), 72090#(and (<= 232 proc_a) (<= proc_a 232)), 72093#(and (<= 238 proc_a) (<= proc_a 238)), 72092#(and (<= proc_a 236) (<= 236 proc_a)), 72095#(and (<= proc_a 242) (<= 242 proc_a)), 72094#(and (<= 240 proc_a) (<= proc_a 240)), 72097#(and (<= proc_a 246) (<= 246 proc_a)), 72096#(and (<= proc_a 244) (<= 244 proc_a)), 72099#(and (<= proc_a 250) (<= 250 proc_a)), 72098#(and (<= 248 proc_a) (<= proc_a 248)), 72101#(and (<= 254 proc_a) (<= proc_a 254)), 72100#(and (<= 252 proc_a) (<= proc_a 252)), 72103#(and (<= 258 proc_a) (<= proc_a 258)), 72102#(and (<= proc_a 256) (<= 256 proc_a)), 72105#(and (<= 262 proc_a) (<= proc_a 262)), 72104#(and (<= proc_a 260) (<= 260 proc_a)), 72107#(and (<= 266 proc_a) (<= proc_a 266)), 72106#(and (<= proc_a 264) (<= 264 proc_a)), 72109#(and (<= proc_a 270) (<= 270 proc_a)), 72108#(and (<= proc_a 268) (<= 268 proc_a)), 72111#(and (<= proc_a 274) (<= 274 proc_a)), 72110#(and (<= proc_a 272) (<= 272 proc_a)), 72113#(and (<= proc_a 278) (<= 278 proc_a)), 72112#(and (<= proc_a 276) (<= 276 proc_a)), 72115#(and (<= proc_a 282) (<= 282 proc_a)), 72114#(and (<= proc_a 280) (<= 280 proc_a)), 72117#(and (<= proc_a 286) (<= 286 proc_a)), 72116#(and (<= proc_a 284) (<= 284 proc_a)), 72119#(and (<= proc_a 290) (<= 290 proc_a)), 72118#(and (<= proc_a 288) (<= 288 proc_a)), 72121#(and (<= 294 proc_a) (<= proc_a 294)), 72120#(and (<= proc_a 292) (<= 292 proc_a)), 72123#(and (<= 298 proc_a) (<= proc_a 298)), 72122#(and (<= 296 proc_a) (<= proc_a 296)), 72125#(and (<= proc_a 302) (<= 302 proc_a)), 72124#(and (<= proc_a 300) (<= 300 proc_a)), 72127#(and (<= 306 proc_a) (<= proc_a 306)), 72126#(and (<= proc_a 304) (<= 304 proc_a)), 72129#(and (<= proc_a 310) (<= 310 proc_a)), 72128#(and (<= 308 proc_a) (<= proc_a 308)), 72131#(and (<= proc_a 314) (<= 314 proc_a)), 72130#(and (<= proc_a 312) (<= 312 proc_a)), 72133#(and (<= 318 proc_a) (<= proc_a 318)), 72132#(and (<= 316 proc_a) (<= proc_a 316)), 72135#(and (<= proc_a 322) (<= 322 proc_a)), 72134#(and (<= proc_a 320) (<= 320 proc_a)), 72137#(and (<= proc_a 326) (<= 326 proc_a)), 72136#(and (<= 324 proc_a) (<= proc_a 324)), 72139#(and (<= proc_a 330) (<= 330 proc_a)), 72138#(and (<= proc_a 328) (<= 328 proc_a)), 72140#(and (<= proc_a 332) (<= 332 proc_a))] [2018-07-23 13:53:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 13861 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:21,368 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:53:21,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:53:21,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=28057, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:53:21,370 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 169 states. [2018-07-23 13:53:22,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:22,833 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:53:22,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:53:22,833 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 168 [2018-07-23 13:53:22,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:22,834 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:53:22,834 INFO L226 Difference]: Without dead ends: 170 [2018-07-23 13:53:22,835 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=335, Invalid=28057, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:53:22,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-07-23 13:53:22,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-07-23 13:53:22,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-07-23 13:53:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-07-23 13:53:22,839 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 170 transitions. Word has length 168 [2018-07-23 13:53:22,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:22,839 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 170 transitions. [2018-07-23 13:53:22,839 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:53:22,839 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-07-23 13:53:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-07-23 13:53:22,840 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:22,840 INFO L357 BasicCegarLoop]: trace histogram [167, 1, 1] [2018-07-23 13:53:22,840 INFO L414 AbstractCegarLoop]: === Iteration 168 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:22,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1604538591, now seen corresponding path program 167 times [2018-07-23 13:53:22,840 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14028 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:23,960 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:23,960 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:53:23,960 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:23,960 INFO L185 omatonBuilderFactory]: Interpolants [72961#(and (<= proc_a 272) (<= 272 proc_a)), 72960#(and (<= proc_a 270) (<= 270 proc_a)), 72963#(and (<= proc_a 276) (<= 276 proc_a)), 72962#(and (<= proc_a 274) (<= 274 proc_a)), 72965#(and (<= proc_a 280) (<= 280 proc_a)), 72964#(and (<= proc_a 278) (<= 278 proc_a)), 72967#(and (<= proc_a 284) (<= 284 proc_a)), 72966#(and (<= proc_a 282) (<= 282 proc_a)), 72969#(and (<= proc_a 288) (<= 288 proc_a)), 72968#(and (<= proc_a 286) (<= 286 proc_a)), 72971#(and (<= proc_a 292) (<= 292 proc_a)), 72970#(and (<= proc_a 290) (<= 290 proc_a)), 72973#(and (<= 296 proc_a) (<= proc_a 296)), 72972#(and (<= 294 proc_a) (<= proc_a 294)), 72975#(and (<= proc_a 300) (<= 300 proc_a)), 72974#(and (<= 298 proc_a) (<= proc_a 298)), 72977#(and (<= proc_a 304) (<= 304 proc_a)), 72976#(and (<= proc_a 302) (<= 302 proc_a)), 72979#(and (<= 308 proc_a) (<= proc_a 308)), 72978#(and (<= 306 proc_a) (<= proc_a 306)), 72981#(and (<= proc_a 312) (<= 312 proc_a)), 72980#(and (<= proc_a 310) (<= 310 proc_a)), 72983#(and (<= 316 proc_a) (<= proc_a 316)), 72982#(and (<= proc_a 314) (<= 314 proc_a)), 72985#(and (<= proc_a 320) (<= 320 proc_a)), 72984#(and (<= 318 proc_a) (<= proc_a 318)), 72987#(and (<= 324 proc_a) (<= proc_a 324)), 72986#(and (<= proc_a 322) (<= 322 proc_a)), 72989#(and (<= proc_a 328) (<= 328 proc_a)), 72988#(and (<= proc_a 326) (<= 326 proc_a)), 72991#(and (<= proc_a 332) (<= 332 proc_a)), 72990#(and (<= proc_a 330) (<= 330 proc_a)), 72992#(and (<= 334 proc_a) (<= proc_a 334)), 72823#true, 72825#(and (<= proc_a 0) (<= 0 proc_a)), 72824#false, 72827#(and (<= 4 proc_a) (<= proc_a 4)), 72826#(and (<= 2 proc_a) (<= proc_a 2)), 72829#(and (<= proc_a 8) (<= 8 proc_a)), 72828#(and (<= 6 proc_a) (<= proc_a 6)), 72831#(and (<= proc_a 12) (<= 12 proc_a)), 72830#(and (<= 10 proc_a) (<= proc_a 10)), 72833#(and (<= proc_a 16) (<= 16 proc_a)), 72832#(and (<= 14 proc_a) (<= proc_a 14)), 72835#(and (<= 20 proc_a) (<= proc_a 20)), 72834#(and (<= 18 proc_a) (<= proc_a 18)), 72837#(and (<= 24 proc_a) (<= proc_a 24)), 72836#(and (<= 22 proc_a) (<= proc_a 22)), 72839#(and (<= proc_a 28) (<= 28 proc_a)), 72838#(and (<= 26 proc_a) (<= proc_a 26)), 72841#(and (<= 32 proc_a) (<= proc_a 32)), 72840#(and (<= proc_a 30) (<= 30 proc_a)), 72843#(and (<= 36 proc_a) (<= proc_a 36)), 72842#(and (<= 34 proc_a) (<= proc_a 34)), 72845#(and (<= 40 proc_a) (<= proc_a 40)), 72844#(and (<= 38 proc_a) (<= proc_a 38)), 72847#(and (<= proc_a 44) (<= 44 proc_a)), 72846#(and (<= proc_a 42) (<= 42 proc_a)), 72849#(and (<= 48 proc_a) (<= proc_a 48)), 72848#(and (<= proc_a 46) (<= 46 proc_a)), 72851#(and (<= 52 proc_a) (<= proc_a 52)), 72850#(and (<= 50 proc_a) (<= proc_a 50)), 72853#(and (<= proc_a 56) (<= 56 proc_a)), 72852#(and (<= 54 proc_a) (<= proc_a 54)), 72855#(and (<= 60 proc_a) (<= proc_a 60)), 72854#(and (<= proc_a 58) (<= 58 proc_a)), 72857#(and (<= 64 proc_a) (<= proc_a 64)), 72856#(and (<= 62 proc_a) (<= proc_a 62)), 72859#(and (<= 68 proc_a) (<= proc_a 68)), 72858#(and (<= 66 proc_a) (<= proc_a 66)), 72861#(and (<= 72 proc_a) (<= proc_a 72)), 72860#(and (<= proc_a 70) (<= 70 proc_a)), 72863#(and (<= proc_a 76) (<= 76 proc_a)), 72862#(and (<= proc_a 74) (<= 74 proc_a)), 72865#(and (<= proc_a 80) (<= 80 proc_a)), 72864#(and (<= 78 proc_a) (<= proc_a 78)), 72867#(and (<= proc_a 84) (<= 84 proc_a)), 72866#(and (<= 82 proc_a) (<= proc_a 82)), 72869#(and (<= 88 proc_a) (<= proc_a 88)), 72868#(and (<= 86 proc_a) (<= proc_a 86)), 72871#(and (<= 92 proc_a) (<= proc_a 92)), 72870#(and (<= proc_a 90) (<= 90 proc_a)), 72873#(and (<= proc_a 96) (<= 96 proc_a)), 72872#(and (<= proc_a 94) (<= 94 proc_a)), 72875#(and (<= proc_a 100) (<= 100 proc_a)), 72874#(and (<= 98 proc_a) (<= proc_a 98)), 72877#(and (<= proc_a 104) (<= 104 proc_a)), 72876#(and (<= 102 proc_a) (<= proc_a 102)), 72879#(and (<= proc_a 108) (<= 108 proc_a)), 72878#(and (<= 106 proc_a) (<= proc_a 106)), 72881#(and (<= proc_a 112) (<= 112 proc_a)), 72880#(and (<= proc_a 110) (<= 110 proc_a)), 72883#(and (<= 116 proc_a) (<= proc_a 116)), 72882#(and (<= 114 proc_a) (<= proc_a 114)), 72885#(and (<= 120 proc_a) (<= proc_a 120)), 72884#(and (<= proc_a 118) (<= 118 proc_a)), 72887#(and (<= proc_a 124) (<= 124 proc_a)), 72886#(and (<= proc_a 122) (<= 122 proc_a)), 72889#(and (<= 128 proc_a) (<= proc_a 128)), 72888#(and (<= proc_a 126) (<= 126 proc_a)), 72891#(and (<= 132 proc_a) (<= proc_a 132)), 72890#(and (<= proc_a 130) (<= 130 proc_a)), 72893#(and (<= proc_a 136) (<= 136 proc_a)), 72892#(and (<= proc_a 134) (<= 134 proc_a)), 72895#(and (<= proc_a 140) (<= 140 proc_a)), 72894#(and (<= proc_a 138) (<= 138 proc_a)), 72897#(and (<= 144 proc_a) (<= proc_a 144)), 72896#(and (<= 142 proc_a) (<= proc_a 142)), 72899#(and (<= 148 proc_a) (<= proc_a 148)), 72898#(and (<= proc_a 146) (<= 146 proc_a)), 72901#(and (<= proc_a 152) (<= 152 proc_a)), 72900#(and (<= proc_a 150) (<= 150 proc_a)), 72903#(and (<= 156 proc_a) (<= proc_a 156)), 72902#(and (<= 154 proc_a) (<= proc_a 154)), 72905#(and (<= 160 proc_a) (<= proc_a 160)), 72904#(and (<= proc_a 158) (<= 158 proc_a)), 72907#(and (<= 164 proc_a) (<= proc_a 164)), 72906#(and (<= proc_a 162) (<= 162 proc_a)), 72909#(and (<= 168 proc_a) (<= proc_a 168)), 72908#(and (<= 166 proc_a) (<= proc_a 166)), 72911#(and (<= 172 proc_a) (<= proc_a 172)), 72910#(and (<= 170 proc_a) (<= proc_a 170)), 72913#(and (<= 176 proc_a) (<= proc_a 176)), 72912#(and (<= proc_a 174) (<= 174 proc_a)), 72915#(and (<= proc_a 180) (<= 180 proc_a)), 72914#(and (<= 178 proc_a) (<= proc_a 178)), 72917#(and (<= 184 proc_a) (<= proc_a 184)), 72916#(and (<= proc_a 182) (<= 182 proc_a)), 72919#(and (<= 188 proc_a) (<= proc_a 188)), 72918#(and (<= 186 proc_a) (<= proc_a 186)), 72921#(and (<= proc_a 192) (<= 192 proc_a)), 72920#(and (<= 190 proc_a) (<= proc_a 190)), 72923#(and (<= proc_a 196) (<= 196 proc_a)), 72922#(and (<= 194 proc_a) (<= proc_a 194)), 72925#(and (<= proc_a 200) (<= 200 proc_a)), 72924#(and (<= 198 proc_a) (<= proc_a 198)), 72927#(and (<= 204 proc_a) (<= proc_a 204)), 72926#(and (<= proc_a 202) (<= 202 proc_a)), 72929#(and (<= 208 proc_a) (<= proc_a 208)), 72928#(and (<= 206 proc_a) (<= proc_a 206)), 72931#(and (<= proc_a 212) (<= 212 proc_a)), 72930#(and (<= proc_a 210) (<= 210 proc_a)), 72933#(and (<= 216 proc_a) (<= proc_a 216)), 72932#(and (<= 214 proc_a) (<= proc_a 214)), 72935#(and (<= proc_a 220) (<= 220 proc_a)), 72934#(and (<= proc_a 218) (<= 218 proc_a)), 72937#(and (<= 224 proc_a) (<= proc_a 224)), 72936#(and (<= 222 proc_a) (<= proc_a 222)), 72939#(and (<= 228 proc_a) (<= proc_a 228)), 72938#(and (<= proc_a 226) (<= 226 proc_a)), 72941#(and (<= 232 proc_a) (<= proc_a 232)), 72940#(and (<= proc_a 230) (<= 230 proc_a)), 72943#(and (<= proc_a 236) (<= 236 proc_a)), 72942#(and (<= proc_a 234) (<= 234 proc_a)), 72945#(and (<= 240 proc_a) (<= proc_a 240)), 72944#(and (<= 238 proc_a) (<= proc_a 238)), 72947#(and (<= proc_a 244) (<= 244 proc_a)), 72946#(and (<= proc_a 242) (<= 242 proc_a)), 72949#(and (<= 248 proc_a) (<= proc_a 248)), 72948#(and (<= proc_a 246) (<= 246 proc_a)), 72951#(and (<= 252 proc_a) (<= proc_a 252)), 72950#(and (<= proc_a 250) (<= 250 proc_a)), 72953#(and (<= proc_a 256) (<= 256 proc_a)), 72952#(and (<= 254 proc_a) (<= proc_a 254)), 72955#(and (<= proc_a 260) (<= 260 proc_a)), 72954#(and (<= 258 proc_a) (<= proc_a 258)), 72957#(and (<= proc_a 264) (<= 264 proc_a)), 72956#(and (<= 262 proc_a) (<= proc_a 262)), 72959#(and (<= proc_a 268) (<= 268 proc_a)), 72958#(and (<= 266 proc_a) (<= proc_a 266))] [2018-07-23 13:53:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14028 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:23,961 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:53:23,962 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:53:23,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=28393, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:53:23,963 INFO L87 Difference]: Start difference. First operand 170 states and 170 transitions. Second operand 170 states. [2018-07-23 13:53:25,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:25,409 INFO L93 Difference]: Finished difference Result 172 states and 172 transitions. [2018-07-23 13:53:25,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:53:25,409 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 169 [2018-07-23 13:53:25,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:25,410 INFO L225 Difference]: With dead ends: 172 [2018-07-23 13:53:25,410 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:53:25,411 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=337, Invalid=28393, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:53:25,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:53:25,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:53:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:53:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:53:25,416 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 169 [2018-07-23 13:53:25,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:25,416 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:53:25,416 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:53:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:53:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:53:25,417 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:25,417 INFO L357 BasicCegarLoop]: trace histogram [168, 1, 1] [2018-07-23 13:53:25,417 INFO L414 AbstractCegarLoop]: === Iteration 169 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:25,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1798911175, now seen corresponding path program 168 times [2018-07-23 13:53:25,417 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14196 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:26,606 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:26,606 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:53:26,606 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:26,607 INFO L185 omatonBuilderFactory]: Interpolants [73729#(and (<= proc_a 96) (<= 96 proc_a)), 73728#(and (<= proc_a 94) (<= 94 proc_a)), 73731#(and (<= proc_a 100) (<= 100 proc_a)), 73730#(and (<= 98 proc_a) (<= proc_a 98)), 73733#(and (<= proc_a 104) (<= 104 proc_a)), 73732#(and (<= 102 proc_a) (<= proc_a 102)), 73735#(and (<= proc_a 108) (<= 108 proc_a)), 73734#(and (<= 106 proc_a) (<= proc_a 106)), 73737#(and (<= proc_a 112) (<= 112 proc_a)), 73736#(and (<= proc_a 110) (<= 110 proc_a)), 73739#(and (<= 116 proc_a) (<= proc_a 116)), 73738#(and (<= 114 proc_a) (<= proc_a 114)), 73741#(and (<= 120 proc_a) (<= proc_a 120)), 73740#(and (<= proc_a 118) (<= 118 proc_a)), 73743#(and (<= proc_a 124) (<= 124 proc_a)), 73742#(and (<= proc_a 122) (<= 122 proc_a)), 73745#(and (<= 128 proc_a) (<= proc_a 128)), 73744#(and (<= proc_a 126) (<= 126 proc_a)), 73747#(and (<= 132 proc_a) (<= proc_a 132)), 73746#(and (<= proc_a 130) (<= 130 proc_a)), 73749#(and (<= proc_a 136) (<= 136 proc_a)), 73748#(and (<= proc_a 134) (<= 134 proc_a)), 73751#(and (<= proc_a 140) (<= 140 proc_a)), 73750#(and (<= proc_a 138) (<= 138 proc_a)), 73753#(and (<= 144 proc_a) (<= proc_a 144)), 73752#(and (<= 142 proc_a) (<= proc_a 142)), 73755#(and (<= 148 proc_a) (<= proc_a 148)), 73754#(and (<= proc_a 146) (<= 146 proc_a)), 73757#(and (<= proc_a 152) (<= 152 proc_a)), 73756#(and (<= proc_a 150) (<= 150 proc_a)), 73759#(and (<= 156 proc_a) (<= proc_a 156)), 73758#(and (<= 154 proc_a) (<= proc_a 154)), 73761#(and (<= 160 proc_a) (<= proc_a 160)), 73760#(and (<= proc_a 158) (<= 158 proc_a)), 73763#(and (<= 164 proc_a) (<= proc_a 164)), 73762#(and (<= proc_a 162) (<= 162 proc_a)), 73765#(and (<= 168 proc_a) (<= proc_a 168)), 73764#(and (<= 166 proc_a) (<= proc_a 166)), 73767#(and (<= 172 proc_a) (<= proc_a 172)), 73766#(and (<= 170 proc_a) (<= proc_a 170)), 73769#(and (<= 176 proc_a) (<= proc_a 176)), 73768#(and (<= proc_a 174) (<= 174 proc_a)), 73771#(and (<= proc_a 180) (<= 180 proc_a)), 73770#(and (<= 178 proc_a) (<= proc_a 178)), 73773#(and (<= 184 proc_a) (<= proc_a 184)), 73772#(and (<= proc_a 182) (<= 182 proc_a)), 73775#(and (<= 188 proc_a) (<= proc_a 188)), 73774#(and (<= 186 proc_a) (<= proc_a 186)), 73777#(and (<= proc_a 192) (<= 192 proc_a)), 73776#(and (<= 190 proc_a) (<= proc_a 190)), 73779#(and (<= proc_a 196) (<= 196 proc_a)), 73778#(and (<= 194 proc_a) (<= proc_a 194)), 73781#(and (<= proc_a 200) (<= 200 proc_a)), 73780#(and (<= 198 proc_a) (<= proc_a 198)), 73783#(and (<= 204 proc_a) (<= proc_a 204)), 73782#(and (<= proc_a 202) (<= 202 proc_a)), 73785#(and (<= 208 proc_a) (<= proc_a 208)), 73784#(and (<= 206 proc_a) (<= proc_a 206)), 73787#(and (<= proc_a 212) (<= 212 proc_a)), 73786#(and (<= proc_a 210) (<= 210 proc_a)), 73789#(and (<= 216 proc_a) (<= proc_a 216)), 73788#(and (<= 214 proc_a) (<= proc_a 214)), 73791#(and (<= proc_a 220) (<= 220 proc_a)), 73790#(and (<= proc_a 218) (<= 218 proc_a)), 73793#(and (<= 224 proc_a) (<= proc_a 224)), 73792#(and (<= 222 proc_a) (<= proc_a 222)), 73795#(and (<= 228 proc_a) (<= proc_a 228)), 73794#(and (<= proc_a 226) (<= 226 proc_a)), 73797#(and (<= 232 proc_a) (<= proc_a 232)), 73796#(and (<= proc_a 230) (<= 230 proc_a)), 73799#(and (<= proc_a 236) (<= 236 proc_a)), 73798#(and (<= proc_a 234) (<= 234 proc_a)), 73801#(and (<= 240 proc_a) (<= proc_a 240)), 73800#(and (<= 238 proc_a) (<= proc_a 238)), 73803#(and (<= proc_a 244) (<= 244 proc_a)), 73802#(and (<= proc_a 242) (<= 242 proc_a)), 73805#(and (<= 248 proc_a) (<= proc_a 248)), 73804#(and (<= proc_a 246) (<= 246 proc_a)), 73807#(and (<= 252 proc_a) (<= proc_a 252)), 73806#(and (<= proc_a 250) (<= 250 proc_a)), 73809#(and (<= proc_a 256) (<= 256 proc_a)), 73808#(and (<= 254 proc_a) (<= proc_a 254)), 73811#(and (<= proc_a 260) (<= 260 proc_a)), 73810#(and (<= 258 proc_a) (<= proc_a 258)), 73813#(and (<= proc_a 264) (<= 264 proc_a)), 73812#(and (<= 262 proc_a) (<= proc_a 262)), 73815#(and (<= proc_a 268) (<= 268 proc_a)), 73814#(and (<= 266 proc_a) (<= proc_a 266)), 73817#(and (<= proc_a 272) (<= 272 proc_a)), 73816#(and (<= proc_a 270) (<= 270 proc_a)), 73819#(and (<= proc_a 276) (<= 276 proc_a)), 73818#(and (<= proc_a 274) (<= 274 proc_a)), 73821#(and (<= proc_a 280) (<= 280 proc_a)), 73820#(and (<= proc_a 278) (<= 278 proc_a)), 73823#(and (<= proc_a 284) (<= 284 proc_a)), 73822#(and (<= proc_a 282) (<= 282 proc_a)), 73825#(and (<= proc_a 288) (<= 288 proc_a)), 73824#(and (<= proc_a 286) (<= 286 proc_a)), 73827#(and (<= proc_a 292) (<= 292 proc_a)), 73826#(and (<= proc_a 290) (<= 290 proc_a)), 73829#(and (<= 296 proc_a) (<= proc_a 296)), 73828#(and (<= 294 proc_a) (<= proc_a 294)), 73831#(and (<= proc_a 300) (<= 300 proc_a)), 73830#(and (<= 298 proc_a) (<= proc_a 298)), 73833#(and (<= proc_a 304) (<= 304 proc_a)), 73832#(and (<= proc_a 302) (<= 302 proc_a)), 73835#(and (<= 308 proc_a) (<= proc_a 308)), 73834#(and (<= 306 proc_a) (<= proc_a 306)), 73837#(and (<= proc_a 312) (<= 312 proc_a)), 73836#(and (<= proc_a 310) (<= 310 proc_a)), 73839#(and (<= 316 proc_a) (<= proc_a 316)), 73838#(and (<= proc_a 314) (<= 314 proc_a)), 73841#(and (<= proc_a 320) (<= 320 proc_a)), 73840#(and (<= 318 proc_a) (<= proc_a 318)), 73843#(and (<= 324 proc_a) (<= proc_a 324)), 73842#(and (<= proc_a 322) (<= 322 proc_a)), 73845#(and (<= proc_a 328) (<= 328 proc_a)), 73844#(and (<= proc_a 326) (<= 326 proc_a)), 73847#(and (<= proc_a 332) (<= 332 proc_a)), 73846#(and (<= proc_a 330) (<= 330 proc_a)), 73849#(and (<= 336 proc_a) (<= proc_a 336)), 73848#(and (<= 334 proc_a) (<= proc_a 334)), 73679#true, 73681#(and (<= proc_a 0) (<= 0 proc_a)), 73680#false, 73683#(and (<= 4 proc_a) (<= proc_a 4)), 73682#(and (<= 2 proc_a) (<= proc_a 2)), 73685#(and (<= proc_a 8) (<= 8 proc_a)), 73684#(and (<= 6 proc_a) (<= proc_a 6)), 73687#(and (<= proc_a 12) (<= 12 proc_a)), 73686#(and (<= 10 proc_a) (<= proc_a 10)), 73689#(and (<= proc_a 16) (<= 16 proc_a)), 73688#(and (<= 14 proc_a) (<= proc_a 14)), 73691#(and (<= 20 proc_a) (<= proc_a 20)), 73690#(and (<= 18 proc_a) (<= proc_a 18)), 73693#(and (<= 24 proc_a) (<= proc_a 24)), 73692#(and (<= 22 proc_a) (<= proc_a 22)), 73695#(and (<= proc_a 28) (<= 28 proc_a)), 73694#(and (<= 26 proc_a) (<= proc_a 26)), 73697#(and (<= 32 proc_a) (<= proc_a 32)), 73696#(and (<= proc_a 30) (<= 30 proc_a)), 73699#(and (<= 36 proc_a) (<= proc_a 36)), 73698#(and (<= 34 proc_a) (<= proc_a 34)), 73701#(and (<= 40 proc_a) (<= proc_a 40)), 73700#(and (<= 38 proc_a) (<= proc_a 38)), 73703#(and (<= proc_a 44) (<= 44 proc_a)), 73702#(and (<= proc_a 42) (<= 42 proc_a)), 73705#(and (<= 48 proc_a) (<= proc_a 48)), 73704#(and (<= proc_a 46) (<= 46 proc_a)), 73707#(and (<= 52 proc_a) (<= proc_a 52)), 73706#(and (<= 50 proc_a) (<= proc_a 50)), 73709#(and (<= proc_a 56) (<= 56 proc_a)), 73708#(and (<= 54 proc_a) (<= proc_a 54)), 73711#(and (<= 60 proc_a) (<= proc_a 60)), 73710#(and (<= proc_a 58) (<= 58 proc_a)), 73713#(and (<= 64 proc_a) (<= proc_a 64)), 73712#(and (<= 62 proc_a) (<= proc_a 62)), 73715#(and (<= 68 proc_a) (<= proc_a 68)), 73714#(and (<= 66 proc_a) (<= proc_a 66)), 73717#(and (<= 72 proc_a) (<= proc_a 72)), 73716#(and (<= proc_a 70) (<= 70 proc_a)), 73719#(and (<= proc_a 76) (<= 76 proc_a)), 73718#(and (<= proc_a 74) (<= 74 proc_a)), 73721#(and (<= proc_a 80) (<= 80 proc_a)), 73720#(and (<= 78 proc_a) (<= proc_a 78)), 73723#(and (<= proc_a 84) (<= 84 proc_a)), 73722#(and (<= 82 proc_a) (<= proc_a 82)), 73725#(and (<= 88 proc_a) (<= proc_a 88)), 73724#(and (<= 86 proc_a) (<= proc_a 86)), 73727#(and (<= 92 proc_a) (<= proc_a 92)), 73726#(and (<= proc_a 90) (<= 90 proc_a))] [2018-07-23 13:53:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 14196 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:26,608 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:53:26,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:53:26,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=28731, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:53:26,609 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 171 states. [2018-07-23 13:53:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:28,026 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:53:28,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:53:28,026 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 170 [2018-07-23 13:53:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:28,027 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:53:28,027 INFO L226 Difference]: Without dead ends: 172 [2018-07-23 13:53:28,028 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=339, Invalid=28731, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:53:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-07-23 13:53:28,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-07-23 13:53:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-07-23 13:53:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 172 transitions. [2018-07-23 13:53:28,032 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 172 transitions. Word has length 170 [2018-07-23 13:53:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:28,033 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 172 transitions. [2018-07-23 13:53:28,033 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:53:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 172 transitions. [2018-07-23 13:53:28,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-07-23 13:53:28,033 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:28,033 INFO L357 BasicCegarLoop]: trace histogram [169, 1, 1] [2018-07-23 13:53:28,033 INFO L414 AbstractCegarLoop]: === Iteration 170 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:28,034 INFO L82 PathProgramCache]: Analyzing trace with hash -68328479, now seen corresponding path program 169 times [2018-07-23 13:53:28,034 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:29,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:29,216 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:29,216 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:53:29,216 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:29,217 INFO L185 omatonBuilderFactory]: Interpolants [74541#false, 74540#true, 74543#(and (<= 2 proc_a) (<= proc_a 2)), 74542#(and (<= proc_a 0) (<= 0 proc_a)), 74545#(and (<= 6 proc_a) (<= proc_a 6)), 74544#(and (<= 4 proc_a) (<= proc_a 4)), 74547#(and (<= 10 proc_a) (<= proc_a 10)), 74546#(and (<= proc_a 8) (<= 8 proc_a)), 74549#(and (<= 14 proc_a) (<= proc_a 14)), 74548#(and (<= proc_a 12) (<= 12 proc_a)), 74551#(and (<= 18 proc_a) (<= proc_a 18)), 74550#(and (<= proc_a 16) (<= 16 proc_a)), 74553#(and (<= 22 proc_a) (<= proc_a 22)), 74552#(and (<= 20 proc_a) (<= proc_a 20)), 74555#(and (<= 26 proc_a) (<= proc_a 26)), 74554#(and (<= 24 proc_a) (<= proc_a 24)), 74557#(and (<= proc_a 30) (<= 30 proc_a)), 74556#(and (<= proc_a 28) (<= 28 proc_a)), 74559#(and (<= 34 proc_a) (<= proc_a 34)), 74558#(and (<= 32 proc_a) (<= proc_a 32)), 74561#(and (<= 38 proc_a) (<= proc_a 38)), 74560#(and (<= 36 proc_a) (<= proc_a 36)), 74563#(and (<= proc_a 42) (<= 42 proc_a)), 74562#(and (<= 40 proc_a) (<= proc_a 40)), 74565#(and (<= proc_a 46) (<= 46 proc_a)), 74564#(and (<= proc_a 44) (<= 44 proc_a)), 74567#(and (<= 50 proc_a) (<= proc_a 50)), 74566#(and (<= 48 proc_a) (<= proc_a 48)), 74569#(and (<= 54 proc_a) (<= proc_a 54)), 74568#(and (<= 52 proc_a) (<= proc_a 52)), 74571#(and (<= proc_a 58) (<= 58 proc_a)), 74570#(and (<= proc_a 56) (<= 56 proc_a)), 74573#(and (<= 62 proc_a) (<= proc_a 62)), 74572#(and (<= 60 proc_a) (<= proc_a 60)), 74575#(and (<= 66 proc_a) (<= proc_a 66)), 74574#(and (<= 64 proc_a) (<= proc_a 64)), 74577#(and (<= proc_a 70) (<= 70 proc_a)), 74576#(and (<= 68 proc_a) (<= proc_a 68)), 74579#(and (<= proc_a 74) (<= 74 proc_a)), 74578#(and (<= 72 proc_a) (<= proc_a 72)), 74581#(and (<= 78 proc_a) (<= proc_a 78)), 74580#(and (<= proc_a 76) (<= 76 proc_a)), 74583#(and (<= 82 proc_a) (<= proc_a 82)), 74582#(and (<= proc_a 80) (<= 80 proc_a)), 74585#(and (<= 86 proc_a) (<= proc_a 86)), 74584#(and (<= proc_a 84) (<= 84 proc_a)), 74587#(and (<= proc_a 90) (<= 90 proc_a)), 74586#(and (<= 88 proc_a) (<= proc_a 88)), 74589#(and (<= proc_a 94) (<= 94 proc_a)), 74588#(and (<= 92 proc_a) (<= proc_a 92)), 74591#(and (<= 98 proc_a) (<= proc_a 98)), 74590#(and (<= proc_a 96) (<= 96 proc_a)), 74593#(and (<= 102 proc_a) (<= proc_a 102)), 74592#(and (<= proc_a 100) (<= 100 proc_a)), 74595#(and (<= 106 proc_a) (<= proc_a 106)), 74594#(and (<= proc_a 104) (<= 104 proc_a)), 74597#(and (<= proc_a 110) (<= 110 proc_a)), 74596#(and (<= proc_a 108) (<= 108 proc_a)), 74599#(and (<= 114 proc_a) (<= proc_a 114)), 74598#(and (<= proc_a 112) (<= 112 proc_a)), 74601#(and (<= proc_a 118) (<= 118 proc_a)), 74600#(and (<= 116 proc_a) (<= proc_a 116)), 74603#(and (<= proc_a 122) (<= 122 proc_a)), 74602#(and (<= 120 proc_a) (<= proc_a 120)), 74605#(and (<= proc_a 126) (<= 126 proc_a)), 74604#(and (<= proc_a 124) (<= 124 proc_a)), 74607#(and (<= proc_a 130) (<= 130 proc_a)), 74606#(and (<= 128 proc_a) (<= proc_a 128)), 74609#(and (<= proc_a 134) (<= 134 proc_a)), 74608#(and (<= 132 proc_a) (<= proc_a 132)), 74611#(and (<= proc_a 138) (<= 138 proc_a)), 74610#(and (<= proc_a 136) (<= 136 proc_a)), 74613#(and (<= 142 proc_a) (<= proc_a 142)), 74612#(and (<= proc_a 140) (<= 140 proc_a)), 74615#(and (<= proc_a 146) (<= 146 proc_a)), 74614#(and (<= 144 proc_a) (<= proc_a 144)), 74617#(and (<= proc_a 150) (<= 150 proc_a)), 74616#(and (<= 148 proc_a) (<= proc_a 148)), 74619#(and (<= 154 proc_a) (<= proc_a 154)), 74618#(and (<= proc_a 152) (<= 152 proc_a)), 74621#(and (<= proc_a 158) (<= 158 proc_a)), 74620#(and (<= 156 proc_a) (<= proc_a 156)), 74623#(and (<= proc_a 162) (<= 162 proc_a)), 74622#(and (<= 160 proc_a) (<= proc_a 160)), 74625#(and (<= 166 proc_a) (<= proc_a 166)), 74624#(and (<= 164 proc_a) (<= proc_a 164)), 74627#(and (<= 170 proc_a) (<= proc_a 170)), 74626#(and (<= 168 proc_a) (<= proc_a 168)), 74629#(and (<= proc_a 174) (<= 174 proc_a)), 74628#(and (<= 172 proc_a) (<= proc_a 172)), 74631#(and (<= 178 proc_a) (<= proc_a 178)), 74630#(and (<= 176 proc_a) (<= proc_a 176)), 74633#(and (<= proc_a 182) (<= 182 proc_a)), 74632#(and (<= proc_a 180) (<= 180 proc_a)), 74635#(and (<= 186 proc_a) (<= proc_a 186)), 74634#(and (<= 184 proc_a) (<= proc_a 184)), 74637#(and (<= 190 proc_a) (<= proc_a 190)), 74636#(and (<= 188 proc_a) (<= proc_a 188)), 74639#(and (<= 194 proc_a) (<= proc_a 194)), 74638#(and (<= proc_a 192) (<= 192 proc_a)), 74641#(and (<= 198 proc_a) (<= proc_a 198)), 74640#(and (<= proc_a 196) (<= 196 proc_a)), 74643#(and (<= proc_a 202) (<= 202 proc_a)), 74642#(and (<= proc_a 200) (<= 200 proc_a)), 74645#(and (<= 206 proc_a) (<= proc_a 206)), 74644#(and (<= 204 proc_a) (<= proc_a 204)), 74647#(and (<= proc_a 210) (<= 210 proc_a)), 74646#(and (<= 208 proc_a) (<= proc_a 208)), 74649#(and (<= 214 proc_a) (<= proc_a 214)), 74648#(and (<= proc_a 212) (<= 212 proc_a)), 74651#(and (<= proc_a 218) (<= 218 proc_a)), 74650#(and (<= 216 proc_a) (<= proc_a 216)), 74653#(and (<= 222 proc_a) (<= proc_a 222)), 74652#(and (<= proc_a 220) (<= 220 proc_a)), 74655#(and (<= proc_a 226) (<= 226 proc_a)), 74654#(and (<= 224 proc_a) (<= proc_a 224)), 74657#(and (<= proc_a 230) (<= 230 proc_a)), 74656#(and (<= 228 proc_a) (<= proc_a 228)), 74659#(and (<= proc_a 234) (<= 234 proc_a)), 74658#(and (<= 232 proc_a) (<= proc_a 232)), 74661#(and (<= 238 proc_a) (<= proc_a 238)), 74660#(and (<= proc_a 236) (<= 236 proc_a)), 74663#(and (<= proc_a 242) (<= 242 proc_a)), 74662#(and (<= 240 proc_a) (<= proc_a 240)), 74665#(and (<= proc_a 246) (<= 246 proc_a)), 74664#(and (<= proc_a 244) (<= 244 proc_a)), 74667#(and (<= proc_a 250) (<= 250 proc_a)), 74666#(and (<= 248 proc_a) (<= proc_a 248)), 74669#(and (<= 254 proc_a) (<= proc_a 254)), 74668#(and (<= 252 proc_a) (<= proc_a 252)), 74671#(and (<= 258 proc_a) (<= proc_a 258)), 74670#(and (<= proc_a 256) (<= 256 proc_a)), 74673#(and (<= 262 proc_a) (<= proc_a 262)), 74672#(and (<= proc_a 260) (<= 260 proc_a)), 74675#(and (<= 266 proc_a) (<= proc_a 266)), 74674#(and (<= proc_a 264) (<= 264 proc_a)), 74677#(and (<= proc_a 270) (<= 270 proc_a)), 74676#(and (<= proc_a 268) (<= 268 proc_a)), 74679#(and (<= proc_a 274) (<= 274 proc_a)), 74678#(and (<= proc_a 272) (<= 272 proc_a)), 74681#(and (<= proc_a 278) (<= 278 proc_a)), 74680#(and (<= proc_a 276) (<= 276 proc_a)), 74683#(and (<= proc_a 282) (<= 282 proc_a)), 74682#(and (<= proc_a 280) (<= 280 proc_a)), 74685#(and (<= proc_a 286) (<= 286 proc_a)), 74684#(and (<= proc_a 284) (<= 284 proc_a)), 74687#(and (<= proc_a 290) (<= 290 proc_a)), 74686#(and (<= proc_a 288) (<= 288 proc_a)), 74689#(and (<= 294 proc_a) (<= proc_a 294)), 74688#(and (<= proc_a 292) (<= 292 proc_a)), 74691#(and (<= 298 proc_a) (<= proc_a 298)), 74690#(and (<= 296 proc_a) (<= proc_a 296)), 74693#(and (<= proc_a 302) (<= 302 proc_a)), 74692#(and (<= proc_a 300) (<= 300 proc_a)), 74695#(and (<= 306 proc_a) (<= proc_a 306)), 74694#(and (<= proc_a 304) (<= 304 proc_a)), 74697#(and (<= proc_a 310) (<= 310 proc_a)), 74696#(and (<= 308 proc_a) (<= proc_a 308)), 74699#(and (<= proc_a 314) (<= 314 proc_a)), 74698#(and (<= proc_a 312) (<= 312 proc_a)), 74701#(and (<= 318 proc_a) (<= proc_a 318)), 74700#(and (<= 316 proc_a) (<= proc_a 316)), 74703#(and (<= proc_a 322) (<= 322 proc_a)), 74702#(and (<= proc_a 320) (<= 320 proc_a)), 74705#(and (<= proc_a 326) (<= 326 proc_a)), 74704#(and (<= 324 proc_a) (<= proc_a 324)), 74707#(and (<= proc_a 330) (<= 330 proc_a)), 74706#(and (<= proc_a 328) (<= 328 proc_a)), 74709#(and (<= 334 proc_a) (<= proc_a 334)), 74708#(and (<= proc_a 332) (<= 332 proc_a)), 74711#(and (<= proc_a 338) (<= 338 proc_a)), 74710#(and (<= 336 proc_a) (<= proc_a 336))] [2018-07-23 13:53:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:29,218 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:53:29,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:53:29,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=29071, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:53:29,219 INFO L87 Difference]: Start difference. First operand 172 states and 172 transitions. Second operand 172 states. [2018-07-23 13:53:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:30,704 INFO L93 Difference]: Finished difference Result 174 states and 174 transitions. [2018-07-23 13:53:30,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:53:30,704 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 171 [2018-07-23 13:53:30,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:30,705 INFO L225 Difference]: With dead ends: 174 [2018-07-23 13:53:30,705 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:53:30,706 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=341, Invalid=29071, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:53:30,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:53:30,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:53:30,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:53:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:53:30,711 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 171 [2018-07-23 13:53:30,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:30,711 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:53:30,711 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:53:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:53:30,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:53:30,712 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:30,712 INFO L357 BasicCegarLoop]: trace histogram [170, 1, 1] [2018-07-23 13:53:30,712 INFO L414 AbstractCegarLoop]: === Iteration 171 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:30,712 INFO L82 PathProgramCache]: Analyzing trace with hash -2118182905, now seen corresponding path program 170 times [2018-07-23 13:53:30,712 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 14535 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:31,903 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:31,903 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:53:31,903 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:31,904 INFO L185 omatonBuilderFactory]: Interpolants [75521#(and (<= proc_a 226) (<= 226 proc_a)), 75520#(and (<= 224 proc_a) (<= proc_a 224)), 75523#(and (<= proc_a 230) (<= 230 proc_a)), 75522#(and (<= 228 proc_a) (<= proc_a 228)), 75525#(and (<= proc_a 234) (<= 234 proc_a)), 75524#(and (<= 232 proc_a) (<= proc_a 232)), 75527#(and (<= 238 proc_a) (<= proc_a 238)), 75526#(and (<= proc_a 236) (<= 236 proc_a)), 75529#(and (<= proc_a 242) (<= 242 proc_a)), 75528#(and (<= 240 proc_a) (<= proc_a 240)), 75531#(and (<= proc_a 246) (<= 246 proc_a)), 75530#(and (<= proc_a 244) (<= 244 proc_a)), 75533#(and (<= proc_a 250) (<= 250 proc_a)), 75532#(and (<= 248 proc_a) (<= proc_a 248)), 75535#(and (<= 254 proc_a) (<= proc_a 254)), 75534#(and (<= 252 proc_a) (<= proc_a 252)), 75537#(and (<= 258 proc_a) (<= proc_a 258)), 75536#(and (<= proc_a 256) (<= 256 proc_a)), 75539#(and (<= 262 proc_a) (<= proc_a 262)), 75538#(and (<= proc_a 260) (<= 260 proc_a)), 75541#(and (<= 266 proc_a) (<= proc_a 266)), 75540#(and (<= proc_a 264) (<= 264 proc_a)), 75543#(and (<= proc_a 270) (<= 270 proc_a)), 75542#(and (<= proc_a 268) (<= 268 proc_a)), 75545#(and (<= proc_a 274) (<= 274 proc_a)), 75544#(and (<= proc_a 272) (<= 272 proc_a)), 75547#(and (<= proc_a 278) (<= 278 proc_a)), 75546#(and (<= proc_a 276) (<= 276 proc_a)), 75549#(and (<= proc_a 282) (<= 282 proc_a)), 75548#(and (<= proc_a 280) (<= 280 proc_a)), 75551#(and (<= proc_a 286) (<= 286 proc_a)), 75550#(and (<= proc_a 284) (<= 284 proc_a)), 75553#(and (<= proc_a 290) (<= 290 proc_a)), 75552#(and (<= proc_a 288) (<= 288 proc_a)), 75555#(and (<= 294 proc_a) (<= proc_a 294)), 75554#(and (<= proc_a 292) (<= 292 proc_a)), 75557#(and (<= 298 proc_a) (<= proc_a 298)), 75556#(and (<= 296 proc_a) (<= proc_a 296)), 75559#(and (<= proc_a 302) (<= 302 proc_a)), 75558#(and (<= proc_a 300) (<= 300 proc_a)), 75561#(and (<= 306 proc_a) (<= proc_a 306)), 75560#(and (<= proc_a 304) (<= 304 proc_a)), 75563#(and (<= proc_a 310) (<= 310 proc_a)), 75562#(and (<= 308 proc_a) (<= proc_a 308)), 75565#(and (<= proc_a 314) (<= 314 proc_a)), 75564#(and (<= proc_a 312) (<= 312 proc_a)), 75567#(and (<= 318 proc_a) (<= proc_a 318)), 75566#(and (<= 316 proc_a) (<= proc_a 316)), 75569#(and (<= proc_a 322) (<= 322 proc_a)), 75568#(and (<= proc_a 320) (<= 320 proc_a)), 75571#(and (<= proc_a 326) (<= 326 proc_a)), 75570#(and (<= 324 proc_a) (<= proc_a 324)), 75573#(and (<= proc_a 330) (<= 330 proc_a)), 75572#(and (<= proc_a 328) (<= 328 proc_a)), 75575#(and (<= 334 proc_a) (<= proc_a 334)), 75574#(and (<= proc_a 332) (<= 332 proc_a)), 75577#(and (<= proc_a 338) (<= 338 proc_a)), 75576#(and (<= 336 proc_a) (<= proc_a 336)), 75578#(and (<= proc_a 340) (<= 340 proc_a)), 75407#false, 75406#true, 75409#(and (<= 2 proc_a) (<= proc_a 2)), 75408#(and (<= proc_a 0) (<= 0 proc_a)), 75411#(and (<= 6 proc_a) (<= proc_a 6)), 75410#(and (<= 4 proc_a) (<= proc_a 4)), 75413#(and (<= 10 proc_a) (<= proc_a 10)), 75412#(and (<= proc_a 8) (<= 8 proc_a)), 75415#(and (<= 14 proc_a) (<= proc_a 14)), 75414#(and (<= proc_a 12) (<= 12 proc_a)), 75417#(and (<= 18 proc_a) (<= proc_a 18)), 75416#(and (<= proc_a 16) (<= 16 proc_a)), 75419#(and (<= 22 proc_a) (<= proc_a 22)), 75418#(and (<= 20 proc_a) (<= proc_a 20)), 75421#(and (<= 26 proc_a) (<= proc_a 26)), 75420#(and (<= 24 proc_a) (<= proc_a 24)), 75423#(and (<= proc_a 30) (<= 30 proc_a)), 75422#(and (<= proc_a 28) (<= 28 proc_a)), 75425#(and (<= 34 proc_a) (<= proc_a 34)), 75424#(and (<= 32 proc_a) (<= proc_a 32)), 75427#(and (<= 38 proc_a) (<= proc_a 38)), 75426#(and (<= 36 proc_a) (<= proc_a 36)), 75429#(and (<= proc_a 42) (<= 42 proc_a)), 75428#(and (<= 40 proc_a) (<= proc_a 40)), 75431#(and (<= proc_a 46) (<= 46 proc_a)), 75430#(and (<= proc_a 44) (<= 44 proc_a)), 75433#(and (<= 50 proc_a) (<= proc_a 50)), 75432#(and (<= 48 proc_a) (<= proc_a 48)), 75435#(and (<= 54 proc_a) (<= proc_a 54)), 75434#(and (<= 52 proc_a) (<= proc_a 52)), 75437#(and (<= proc_a 58) (<= 58 proc_a)), 75436#(and (<= proc_a 56) (<= 56 proc_a)), 75439#(and (<= 62 proc_a) (<= proc_a 62)), 75438#(and (<= 60 proc_a) (<= proc_a 60)), 75441#(and (<= 66 proc_a) (<= proc_a 66)), 75440#(and (<= 64 proc_a) (<= proc_a 64)), 75443#(and (<= proc_a 70) (<= 70 proc_a)), 75442#(and (<= 68 proc_a) (<= proc_a 68)), 75445#(and (<= proc_a 74) (<= 74 proc_a)), 75444#(and (<= 72 proc_a) (<= proc_a 72)), 75447#(and (<= 78 proc_a) (<= proc_a 78)), 75446#(and (<= proc_a 76) (<= 76 proc_a)), 75449#(and (<= 82 proc_a) (<= proc_a 82)), 75448#(and (<= proc_a 80) (<= 80 proc_a)), 75451#(and (<= 86 proc_a) (<= proc_a 86)), 75450#(and (<= proc_a 84) (<= 84 proc_a)), 75453#(and (<= proc_a 90) (<= 90 proc_a)), 75452#(and (<= 88 proc_a) (<= proc_a 88)), 75455#(and (<= proc_a 94) (<= 94 proc_a)), 75454#(and (<= 92 proc_a) (<= proc_a 92)), 75457#(and (<= 98 proc_a) (<= proc_a 98)), 75456#(and (<= proc_a 96) (<= 96 proc_a)), 75459#(and (<= 102 proc_a) (<= proc_a 102)), 75458#(and (<= proc_a 100) (<= 100 proc_a)), 75461#(and (<= 106 proc_a) (<= proc_a 106)), 75460#(and (<= proc_a 104) (<= 104 proc_a)), 75463#(and (<= proc_a 110) (<= 110 proc_a)), 75462#(and (<= proc_a 108) (<= 108 proc_a)), 75465#(and (<= 114 proc_a) (<= proc_a 114)), 75464#(and (<= proc_a 112) (<= 112 proc_a)), 75467#(and (<= proc_a 118) (<= 118 proc_a)), 75466#(and (<= 116 proc_a) (<= proc_a 116)), 75469#(and (<= proc_a 122) (<= 122 proc_a)), 75468#(and (<= 120 proc_a) (<= proc_a 120)), 75471#(and (<= proc_a 126) (<= 126 proc_a)), 75470#(and (<= proc_a 124) (<= 124 proc_a)), 75473#(and (<= proc_a 130) (<= 130 proc_a)), 75472#(and (<= 128 proc_a) (<= proc_a 128)), 75475#(and (<= proc_a 134) (<= 134 proc_a)), 75474#(and (<= 132 proc_a) (<= proc_a 132)), 75477#(and (<= proc_a 138) (<= 138 proc_a)), 75476#(and (<= proc_a 136) (<= 136 proc_a)), 75479#(and (<= 142 proc_a) (<= proc_a 142)), 75478#(and (<= proc_a 140) (<= 140 proc_a)), 75481#(and (<= proc_a 146) (<= 146 proc_a)), 75480#(and (<= 144 proc_a) (<= proc_a 144)), 75483#(and (<= proc_a 150) (<= 150 proc_a)), 75482#(and (<= 148 proc_a) (<= proc_a 148)), 75485#(and (<= 154 proc_a) (<= proc_a 154)), 75484#(and (<= proc_a 152) (<= 152 proc_a)), 75487#(and (<= proc_a 158) (<= 158 proc_a)), 75486#(and (<= 156 proc_a) (<= proc_a 156)), 75489#(and (<= proc_a 162) (<= 162 proc_a)), 75488#(and (<= 160 proc_a) (<= proc_a 160)), 75491#(and (<= 166 proc_a) (<= proc_a 166)), 75490#(and (<= 164 proc_a) (<= proc_a 164)), 75493#(and (<= 170 proc_a) (<= proc_a 170)), 75492#(and (<= 168 proc_a) (<= proc_a 168)), 75495#(and (<= proc_a 174) (<= 174 proc_a)), 75494#(and (<= 172 proc_a) (<= proc_a 172)), 75497#(and (<= 178 proc_a) (<= proc_a 178)), 75496#(and (<= 176 proc_a) (<= proc_a 176)), 75499#(and (<= proc_a 182) (<= 182 proc_a)), 75498#(and (<= proc_a 180) (<= 180 proc_a)), 75501#(and (<= 186 proc_a) (<= proc_a 186)), 75500#(and (<= 184 proc_a) (<= proc_a 184)), 75503#(and (<= 190 proc_a) (<= proc_a 190)), 75502#(and (<= 188 proc_a) (<= proc_a 188)), 75505#(and (<= 194 proc_a) (<= proc_a 194)), 75504#(and (<= proc_a 192) (<= 192 proc_a)), 75507#(and (<= 198 proc_a) (<= proc_a 198)), 75506#(and (<= proc_a 196) (<= 196 proc_a)), 75509#(and (<= proc_a 202) (<= 202 proc_a)), 75508#(and (<= proc_a 200) (<= 200 proc_a)), 75511#(and (<= 206 proc_a) (<= proc_a 206)), 75510#(and (<= 204 proc_a) (<= proc_a 204)), 75513#(and (<= proc_a 210) (<= 210 proc_a)), 75512#(and (<= 208 proc_a) (<= proc_a 208)), 75515#(and (<= 214 proc_a) (<= proc_a 214)), 75514#(and (<= proc_a 212) (<= 212 proc_a)), 75517#(and (<= proc_a 218) (<= 218 proc_a)), 75516#(and (<= 216 proc_a) (<= proc_a 216)), 75519#(and (<= 222 proc_a) (<= proc_a 222)), 75518#(and (<= proc_a 220) (<= 220 proc_a))] [2018-07-23 13:53:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 14535 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:31,905 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:53:31,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:53:31,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=29413, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:53:31,907 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 173 states. [2018-07-23 13:53:33,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:33,414 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:53:33,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:53:33,414 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 172 [2018-07-23 13:53:33,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:33,415 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:53:33,415 INFO L226 Difference]: Without dead ends: 174 [2018-07-23 13:53:33,417 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=343, Invalid=29413, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:53:33,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-23 13:53:33,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-07-23 13:53:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-07-23 13:53:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 174 transitions. [2018-07-23 13:53:33,421 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 174 transitions. Word has length 172 [2018-07-23 13:53:33,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:33,422 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 174 transitions. [2018-07-23 13:53:33,422 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:53:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 174 transitions. [2018-07-23 13:53:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-07-23 13:53:33,422 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:33,422 INFO L357 BasicCegarLoop]: trace histogram [171, 1, 1] [2018-07-23 13:53:33,423 INFO L414 AbstractCegarLoop]: === Iteration 172 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:33,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1239160671, now seen corresponding path program 171 times [2018-07-23 13:53:33,423 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 14706 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:34,667 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:34,667 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:53:34,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:34,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:34,668 INFO L185 omatonBuilderFactory]: Interpolants [76289#(and (<= 20 proc_a) (<= proc_a 20)), 76288#(and (<= 18 proc_a) (<= proc_a 18)), 76291#(and (<= 24 proc_a) (<= proc_a 24)), 76290#(and (<= 22 proc_a) (<= proc_a 22)), 76293#(and (<= proc_a 28) (<= 28 proc_a)), 76292#(and (<= 26 proc_a) (<= proc_a 26)), 76295#(and (<= 32 proc_a) (<= proc_a 32)), 76294#(and (<= proc_a 30) (<= 30 proc_a)), 76297#(and (<= 36 proc_a) (<= proc_a 36)), 76296#(and (<= 34 proc_a) (<= proc_a 34)), 76299#(and (<= 40 proc_a) (<= proc_a 40)), 76298#(and (<= 38 proc_a) (<= proc_a 38)), 76301#(and (<= proc_a 44) (<= 44 proc_a)), 76300#(and (<= proc_a 42) (<= 42 proc_a)), 76303#(and (<= 48 proc_a) (<= proc_a 48)), 76302#(and (<= proc_a 46) (<= 46 proc_a)), 76305#(and (<= 52 proc_a) (<= proc_a 52)), 76304#(and (<= 50 proc_a) (<= proc_a 50)), 76307#(and (<= proc_a 56) (<= 56 proc_a)), 76306#(and (<= 54 proc_a) (<= proc_a 54)), 76309#(and (<= 60 proc_a) (<= proc_a 60)), 76308#(and (<= proc_a 58) (<= 58 proc_a)), 76311#(and (<= 64 proc_a) (<= proc_a 64)), 76310#(and (<= 62 proc_a) (<= proc_a 62)), 76313#(and (<= 68 proc_a) (<= proc_a 68)), 76312#(and (<= 66 proc_a) (<= proc_a 66)), 76315#(and (<= 72 proc_a) (<= proc_a 72)), 76314#(and (<= proc_a 70) (<= 70 proc_a)), 76317#(and (<= proc_a 76) (<= 76 proc_a)), 76316#(and (<= proc_a 74) (<= 74 proc_a)), 76319#(and (<= proc_a 80) (<= 80 proc_a)), 76318#(and (<= 78 proc_a) (<= proc_a 78)), 76321#(and (<= proc_a 84) (<= 84 proc_a)), 76320#(and (<= 82 proc_a) (<= proc_a 82)), 76323#(and (<= 88 proc_a) (<= proc_a 88)), 76322#(and (<= 86 proc_a) (<= proc_a 86)), 76325#(and (<= 92 proc_a) (<= proc_a 92)), 76324#(and (<= proc_a 90) (<= 90 proc_a)), 76327#(and (<= proc_a 96) (<= 96 proc_a)), 76326#(and (<= proc_a 94) (<= 94 proc_a)), 76329#(and (<= proc_a 100) (<= 100 proc_a)), 76328#(and (<= 98 proc_a) (<= proc_a 98)), 76331#(and (<= proc_a 104) (<= 104 proc_a)), 76330#(and (<= 102 proc_a) (<= proc_a 102)), 76333#(and (<= proc_a 108) (<= 108 proc_a)), 76332#(and (<= 106 proc_a) (<= proc_a 106)), 76335#(and (<= proc_a 112) (<= 112 proc_a)), 76334#(and (<= proc_a 110) (<= 110 proc_a)), 76337#(and (<= 116 proc_a) (<= proc_a 116)), 76336#(and (<= 114 proc_a) (<= proc_a 114)), 76339#(and (<= 120 proc_a) (<= proc_a 120)), 76338#(and (<= proc_a 118) (<= 118 proc_a)), 76341#(and (<= proc_a 124) (<= 124 proc_a)), 76340#(and (<= proc_a 122) (<= 122 proc_a)), 76343#(and (<= 128 proc_a) (<= proc_a 128)), 76342#(and (<= proc_a 126) (<= 126 proc_a)), 76345#(and (<= 132 proc_a) (<= proc_a 132)), 76344#(and (<= proc_a 130) (<= 130 proc_a)), 76347#(and (<= proc_a 136) (<= 136 proc_a)), 76346#(and (<= proc_a 134) (<= 134 proc_a)), 76349#(and (<= proc_a 140) (<= 140 proc_a)), 76348#(and (<= proc_a 138) (<= 138 proc_a)), 76351#(and (<= 144 proc_a) (<= proc_a 144)), 76350#(and (<= 142 proc_a) (<= proc_a 142)), 76353#(and (<= 148 proc_a) (<= proc_a 148)), 76352#(and (<= proc_a 146) (<= 146 proc_a)), 76355#(and (<= proc_a 152) (<= 152 proc_a)), 76354#(and (<= proc_a 150) (<= 150 proc_a)), 76357#(and (<= 156 proc_a) (<= proc_a 156)), 76356#(and (<= 154 proc_a) (<= proc_a 154)), 76359#(and (<= 160 proc_a) (<= proc_a 160)), 76358#(and (<= proc_a 158) (<= 158 proc_a)), 76361#(and (<= 164 proc_a) (<= proc_a 164)), 76360#(and (<= proc_a 162) (<= 162 proc_a)), 76363#(and (<= 168 proc_a) (<= proc_a 168)), 76362#(and (<= 166 proc_a) (<= proc_a 166)), 76365#(and (<= 172 proc_a) (<= proc_a 172)), 76364#(and (<= 170 proc_a) (<= proc_a 170)), 76367#(and (<= 176 proc_a) (<= proc_a 176)), 76366#(and (<= proc_a 174) (<= 174 proc_a)), 76369#(and (<= proc_a 180) (<= 180 proc_a)), 76368#(and (<= 178 proc_a) (<= proc_a 178)), 76371#(and (<= 184 proc_a) (<= proc_a 184)), 76370#(and (<= proc_a 182) (<= 182 proc_a)), 76373#(and (<= 188 proc_a) (<= proc_a 188)), 76372#(and (<= 186 proc_a) (<= proc_a 186)), 76375#(and (<= proc_a 192) (<= 192 proc_a)), 76374#(and (<= 190 proc_a) (<= proc_a 190)), 76377#(and (<= proc_a 196) (<= 196 proc_a)), 76376#(and (<= 194 proc_a) (<= proc_a 194)), 76379#(and (<= proc_a 200) (<= 200 proc_a)), 76378#(and (<= 198 proc_a) (<= proc_a 198)), 76381#(and (<= 204 proc_a) (<= proc_a 204)), 76380#(and (<= proc_a 202) (<= 202 proc_a)), 76383#(and (<= 208 proc_a) (<= proc_a 208)), 76382#(and (<= 206 proc_a) (<= proc_a 206)), 76385#(and (<= proc_a 212) (<= 212 proc_a)), 76384#(and (<= proc_a 210) (<= 210 proc_a)), 76387#(and (<= 216 proc_a) (<= proc_a 216)), 76386#(and (<= 214 proc_a) (<= proc_a 214)), 76389#(and (<= proc_a 220) (<= 220 proc_a)), 76388#(and (<= proc_a 218) (<= 218 proc_a)), 76391#(and (<= 224 proc_a) (<= proc_a 224)), 76390#(and (<= 222 proc_a) (<= proc_a 222)), 76393#(and (<= 228 proc_a) (<= proc_a 228)), 76392#(and (<= proc_a 226) (<= 226 proc_a)), 76395#(and (<= 232 proc_a) (<= proc_a 232)), 76394#(and (<= proc_a 230) (<= 230 proc_a)), 76397#(and (<= proc_a 236) (<= 236 proc_a)), 76396#(and (<= proc_a 234) (<= 234 proc_a)), 76399#(and (<= 240 proc_a) (<= proc_a 240)), 76398#(and (<= 238 proc_a) (<= proc_a 238)), 76401#(and (<= proc_a 244) (<= 244 proc_a)), 76400#(and (<= proc_a 242) (<= 242 proc_a)), 76403#(and (<= 248 proc_a) (<= proc_a 248)), 76402#(and (<= proc_a 246) (<= 246 proc_a)), 76405#(and (<= 252 proc_a) (<= proc_a 252)), 76404#(and (<= proc_a 250) (<= 250 proc_a)), 76407#(and (<= proc_a 256) (<= 256 proc_a)), 76406#(and (<= 254 proc_a) (<= proc_a 254)), 76409#(and (<= proc_a 260) (<= 260 proc_a)), 76408#(and (<= 258 proc_a) (<= proc_a 258)), 76411#(and (<= proc_a 264) (<= 264 proc_a)), 76410#(and (<= 262 proc_a) (<= proc_a 262)), 76413#(and (<= proc_a 268) (<= 268 proc_a)), 76412#(and (<= 266 proc_a) (<= proc_a 266)), 76415#(and (<= proc_a 272) (<= 272 proc_a)), 76414#(and (<= proc_a 270) (<= 270 proc_a)), 76417#(and (<= proc_a 276) (<= 276 proc_a)), 76416#(and (<= proc_a 274) (<= 274 proc_a)), 76419#(and (<= proc_a 280) (<= 280 proc_a)), 76418#(and (<= proc_a 278) (<= 278 proc_a)), 76421#(and (<= proc_a 284) (<= 284 proc_a)), 76420#(and (<= proc_a 282) (<= 282 proc_a)), 76423#(and (<= proc_a 288) (<= 288 proc_a)), 76422#(and (<= proc_a 286) (<= 286 proc_a)), 76425#(and (<= proc_a 292) (<= 292 proc_a)), 76424#(and (<= proc_a 290) (<= 290 proc_a)), 76427#(and (<= 296 proc_a) (<= proc_a 296)), 76426#(and (<= 294 proc_a) (<= proc_a 294)), 76429#(and (<= proc_a 300) (<= 300 proc_a)), 76428#(and (<= 298 proc_a) (<= proc_a 298)), 76431#(and (<= proc_a 304) (<= 304 proc_a)), 76430#(and (<= proc_a 302) (<= 302 proc_a)), 76433#(and (<= 308 proc_a) (<= proc_a 308)), 76432#(and (<= 306 proc_a) (<= proc_a 306)), 76435#(and (<= proc_a 312) (<= 312 proc_a)), 76434#(and (<= proc_a 310) (<= 310 proc_a)), 76437#(and (<= 316 proc_a) (<= proc_a 316)), 76436#(and (<= proc_a 314) (<= 314 proc_a)), 76439#(and (<= proc_a 320) (<= 320 proc_a)), 76438#(and (<= 318 proc_a) (<= proc_a 318)), 76441#(and (<= 324 proc_a) (<= proc_a 324)), 76440#(and (<= proc_a 322) (<= 322 proc_a)), 76443#(and (<= proc_a 328) (<= 328 proc_a)), 76442#(and (<= proc_a 326) (<= 326 proc_a)), 76445#(and (<= proc_a 332) (<= 332 proc_a)), 76444#(and (<= proc_a 330) (<= 330 proc_a)), 76447#(and (<= 336 proc_a) (<= proc_a 336)), 76446#(and (<= 334 proc_a) (<= proc_a 334)), 76449#(and (<= proc_a 340) (<= 340 proc_a)), 76448#(and (<= proc_a 338) (<= 338 proc_a)), 76450#(and (<= 342 proc_a) (<= proc_a 342)), 76277#true, 76279#(and (<= proc_a 0) (<= 0 proc_a)), 76278#false, 76281#(and (<= 4 proc_a) (<= proc_a 4)), 76280#(and (<= 2 proc_a) (<= proc_a 2)), 76283#(and (<= proc_a 8) (<= 8 proc_a)), 76282#(and (<= 6 proc_a) (<= proc_a 6)), 76285#(and (<= proc_a 12) (<= 12 proc_a)), 76284#(and (<= 10 proc_a) (<= proc_a 10)), 76287#(and (<= proc_a 16) (<= 16 proc_a)), 76286#(and (<= 14 proc_a) (<= proc_a 14))] [2018-07-23 13:53:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14706 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:34,668 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:53:34,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:53:34,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=29757, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:53:34,669 INFO L87 Difference]: Start difference. First operand 174 states and 174 transitions. Second operand 174 states. [2018-07-23 13:53:36,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:36,137 INFO L93 Difference]: Finished difference Result 176 states and 176 transitions. [2018-07-23 13:53:36,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:53:36,137 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 173 [2018-07-23 13:53:36,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:36,137 INFO L225 Difference]: With dead ends: 176 [2018-07-23 13:53:36,137 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:53:36,138 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=345, Invalid=29757, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:53:36,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:53:36,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:53:36,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:53:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:53:36,144 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 173 [2018-07-23 13:53:36,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:36,144 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:53:36,144 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:53:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:53:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:53:36,144 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:36,144 INFO L357 BasicCegarLoop]: trace histogram [172, 1, 1] [2018-07-23 13:53:36,145 INFO L414 AbstractCegarLoop]: === Iteration 173 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:36,145 INFO L82 PathProgramCache]: Analyzing trace with hash 240724807, now seen corresponding path program 172 times [2018-07-23 13:53:36,145 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:37,336 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:37,336 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:53:37,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:37,337 INFO L185 omatonBuilderFactory]: Interpolants [77313#(and (<= 316 proc_a) (<= proc_a 316)), 77312#(and (<= proc_a 314) (<= 314 proc_a)), 77315#(and (<= proc_a 320) (<= 320 proc_a)), 77314#(and (<= 318 proc_a) (<= proc_a 318)), 77317#(and (<= 324 proc_a) (<= proc_a 324)), 77316#(and (<= proc_a 322) (<= 322 proc_a)), 77319#(and (<= proc_a 328) (<= 328 proc_a)), 77318#(and (<= proc_a 326) (<= 326 proc_a)), 77321#(and (<= proc_a 332) (<= 332 proc_a)), 77320#(and (<= proc_a 330) (<= 330 proc_a)), 77323#(and (<= 336 proc_a) (<= proc_a 336)), 77322#(and (<= 334 proc_a) (<= proc_a 334)), 77325#(and (<= proc_a 340) (<= 340 proc_a)), 77324#(and (<= proc_a 338) (<= 338 proc_a)), 77327#(and (<= 344 proc_a) (<= proc_a 344)), 77326#(and (<= 342 proc_a) (<= proc_a 342)), 77153#true, 77155#(and (<= proc_a 0) (<= 0 proc_a)), 77154#false, 77157#(and (<= 4 proc_a) (<= proc_a 4)), 77156#(and (<= 2 proc_a) (<= proc_a 2)), 77159#(and (<= proc_a 8) (<= 8 proc_a)), 77158#(and (<= 6 proc_a) (<= proc_a 6)), 77161#(and (<= proc_a 12) (<= 12 proc_a)), 77160#(and (<= 10 proc_a) (<= proc_a 10)), 77163#(and (<= proc_a 16) (<= 16 proc_a)), 77162#(and (<= 14 proc_a) (<= proc_a 14)), 77165#(and (<= 20 proc_a) (<= proc_a 20)), 77164#(and (<= 18 proc_a) (<= proc_a 18)), 77167#(and (<= 24 proc_a) (<= proc_a 24)), 77166#(and (<= 22 proc_a) (<= proc_a 22)), 77169#(and (<= proc_a 28) (<= 28 proc_a)), 77168#(and (<= 26 proc_a) (<= proc_a 26)), 77171#(and (<= 32 proc_a) (<= proc_a 32)), 77170#(and (<= proc_a 30) (<= 30 proc_a)), 77173#(and (<= 36 proc_a) (<= proc_a 36)), 77172#(and (<= 34 proc_a) (<= proc_a 34)), 77175#(and (<= 40 proc_a) (<= proc_a 40)), 77174#(and (<= 38 proc_a) (<= proc_a 38)), 77177#(and (<= proc_a 44) (<= 44 proc_a)), 77176#(and (<= proc_a 42) (<= 42 proc_a)), 77179#(and (<= 48 proc_a) (<= proc_a 48)), 77178#(and (<= proc_a 46) (<= 46 proc_a)), 77181#(and (<= 52 proc_a) (<= proc_a 52)), 77180#(and (<= 50 proc_a) (<= proc_a 50)), 77183#(and (<= proc_a 56) (<= 56 proc_a)), 77182#(and (<= 54 proc_a) (<= proc_a 54)), 77185#(and (<= 60 proc_a) (<= proc_a 60)), 77184#(and (<= proc_a 58) (<= 58 proc_a)), 77187#(and (<= 64 proc_a) (<= proc_a 64)), 77186#(and (<= 62 proc_a) (<= proc_a 62)), 77189#(and (<= 68 proc_a) (<= proc_a 68)), 77188#(and (<= 66 proc_a) (<= proc_a 66)), 77191#(and (<= 72 proc_a) (<= proc_a 72)), 77190#(and (<= proc_a 70) (<= 70 proc_a)), 77193#(and (<= proc_a 76) (<= 76 proc_a)), 77192#(and (<= proc_a 74) (<= 74 proc_a)), 77195#(and (<= proc_a 80) (<= 80 proc_a)), 77194#(and (<= 78 proc_a) (<= proc_a 78)), 77197#(and (<= proc_a 84) (<= 84 proc_a)), 77196#(and (<= 82 proc_a) (<= proc_a 82)), 77199#(and (<= 88 proc_a) (<= proc_a 88)), 77198#(and (<= 86 proc_a) (<= proc_a 86)), 77201#(and (<= 92 proc_a) (<= proc_a 92)), 77200#(and (<= proc_a 90) (<= 90 proc_a)), 77203#(and (<= proc_a 96) (<= 96 proc_a)), 77202#(and (<= proc_a 94) (<= 94 proc_a)), 77205#(and (<= proc_a 100) (<= 100 proc_a)), 77204#(and (<= 98 proc_a) (<= proc_a 98)), 77207#(and (<= proc_a 104) (<= 104 proc_a)), 77206#(and (<= 102 proc_a) (<= proc_a 102)), 77209#(and (<= proc_a 108) (<= 108 proc_a)), 77208#(and (<= 106 proc_a) (<= proc_a 106)), 77211#(and (<= proc_a 112) (<= 112 proc_a)), 77210#(and (<= proc_a 110) (<= 110 proc_a)), 77213#(and (<= 116 proc_a) (<= proc_a 116)), 77212#(and (<= 114 proc_a) (<= proc_a 114)), 77215#(and (<= 120 proc_a) (<= proc_a 120)), 77214#(and (<= proc_a 118) (<= 118 proc_a)), 77217#(and (<= proc_a 124) (<= 124 proc_a)), 77216#(and (<= proc_a 122) (<= 122 proc_a)), 77219#(and (<= 128 proc_a) (<= proc_a 128)), 77218#(and (<= proc_a 126) (<= 126 proc_a)), 77221#(and (<= 132 proc_a) (<= proc_a 132)), 77220#(and (<= proc_a 130) (<= 130 proc_a)), 77223#(and (<= proc_a 136) (<= 136 proc_a)), 77222#(and (<= proc_a 134) (<= 134 proc_a)), 77225#(and (<= proc_a 140) (<= 140 proc_a)), 77224#(and (<= proc_a 138) (<= 138 proc_a)), 77227#(and (<= 144 proc_a) (<= proc_a 144)), 77226#(and (<= 142 proc_a) (<= proc_a 142)), 77229#(and (<= 148 proc_a) (<= proc_a 148)), 77228#(and (<= proc_a 146) (<= 146 proc_a)), 77231#(and (<= proc_a 152) (<= 152 proc_a)), 77230#(and (<= proc_a 150) (<= 150 proc_a)), 77233#(and (<= 156 proc_a) (<= proc_a 156)), 77232#(and (<= 154 proc_a) (<= proc_a 154)), 77235#(and (<= 160 proc_a) (<= proc_a 160)), 77234#(and (<= proc_a 158) (<= 158 proc_a)), 77237#(and (<= 164 proc_a) (<= proc_a 164)), 77236#(and (<= proc_a 162) (<= 162 proc_a)), 77239#(and (<= 168 proc_a) (<= proc_a 168)), 77238#(and (<= 166 proc_a) (<= proc_a 166)), 77241#(and (<= 172 proc_a) (<= proc_a 172)), 77240#(and (<= 170 proc_a) (<= proc_a 170)), 77243#(and (<= 176 proc_a) (<= proc_a 176)), 77242#(and (<= proc_a 174) (<= 174 proc_a)), 77245#(and (<= proc_a 180) (<= 180 proc_a)), 77244#(and (<= 178 proc_a) (<= proc_a 178)), 77247#(and (<= 184 proc_a) (<= proc_a 184)), 77246#(and (<= proc_a 182) (<= 182 proc_a)), 77249#(and (<= 188 proc_a) (<= proc_a 188)), 77248#(and (<= 186 proc_a) (<= proc_a 186)), 77251#(and (<= proc_a 192) (<= 192 proc_a)), 77250#(and (<= 190 proc_a) (<= proc_a 190)), 77253#(and (<= proc_a 196) (<= 196 proc_a)), 77252#(and (<= 194 proc_a) (<= proc_a 194)), 77255#(and (<= proc_a 200) (<= 200 proc_a)), 77254#(and (<= 198 proc_a) (<= proc_a 198)), 77257#(and (<= 204 proc_a) (<= proc_a 204)), 77256#(and (<= proc_a 202) (<= 202 proc_a)), 77259#(and (<= 208 proc_a) (<= proc_a 208)), 77258#(and (<= 206 proc_a) (<= proc_a 206)), 77261#(and (<= proc_a 212) (<= 212 proc_a)), 77260#(and (<= proc_a 210) (<= 210 proc_a)), 77263#(and (<= 216 proc_a) (<= proc_a 216)), 77262#(and (<= 214 proc_a) (<= proc_a 214)), 77265#(and (<= proc_a 220) (<= 220 proc_a)), 77264#(and (<= proc_a 218) (<= 218 proc_a)), 77267#(and (<= 224 proc_a) (<= proc_a 224)), 77266#(and (<= 222 proc_a) (<= proc_a 222)), 77269#(and (<= 228 proc_a) (<= proc_a 228)), 77268#(and (<= proc_a 226) (<= 226 proc_a)), 77271#(and (<= 232 proc_a) (<= proc_a 232)), 77270#(and (<= proc_a 230) (<= 230 proc_a)), 77273#(and (<= proc_a 236) (<= 236 proc_a)), 77272#(and (<= proc_a 234) (<= 234 proc_a)), 77275#(and (<= 240 proc_a) (<= proc_a 240)), 77274#(and (<= 238 proc_a) (<= proc_a 238)), 77277#(and (<= proc_a 244) (<= 244 proc_a)), 77276#(and (<= proc_a 242) (<= 242 proc_a)), 77279#(and (<= 248 proc_a) (<= proc_a 248)), 77278#(and (<= proc_a 246) (<= 246 proc_a)), 77281#(and (<= 252 proc_a) (<= proc_a 252)), 77280#(and (<= proc_a 250) (<= 250 proc_a)), 77283#(and (<= proc_a 256) (<= 256 proc_a)), 77282#(and (<= 254 proc_a) (<= proc_a 254)), 77285#(and (<= proc_a 260) (<= 260 proc_a)), 77284#(and (<= 258 proc_a) (<= proc_a 258)), 77287#(and (<= proc_a 264) (<= 264 proc_a)), 77286#(and (<= 262 proc_a) (<= proc_a 262)), 77289#(and (<= proc_a 268) (<= 268 proc_a)), 77288#(and (<= 266 proc_a) (<= proc_a 266)), 77291#(and (<= proc_a 272) (<= 272 proc_a)), 77290#(and (<= proc_a 270) (<= 270 proc_a)), 77293#(and (<= proc_a 276) (<= 276 proc_a)), 77292#(and (<= proc_a 274) (<= 274 proc_a)), 77295#(and (<= proc_a 280) (<= 280 proc_a)), 77294#(and (<= proc_a 278) (<= 278 proc_a)), 77297#(and (<= proc_a 284) (<= 284 proc_a)), 77296#(and (<= proc_a 282) (<= 282 proc_a)), 77299#(and (<= proc_a 288) (<= 288 proc_a)), 77298#(and (<= proc_a 286) (<= 286 proc_a)), 77301#(and (<= proc_a 292) (<= 292 proc_a)), 77300#(and (<= proc_a 290) (<= 290 proc_a)), 77303#(and (<= 296 proc_a) (<= proc_a 296)), 77302#(and (<= 294 proc_a) (<= proc_a 294)), 77305#(and (<= proc_a 300) (<= 300 proc_a)), 77304#(and (<= 298 proc_a) (<= proc_a 298)), 77307#(and (<= proc_a 304) (<= 304 proc_a)), 77306#(and (<= proc_a 302) (<= 302 proc_a)), 77309#(and (<= 308 proc_a) (<= proc_a 308)), 77308#(and (<= 306 proc_a) (<= proc_a 306)), 77311#(and (<= proc_a 312) (<= 312 proc_a)), 77310#(and (<= proc_a 310) (<= 310 proc_a))] [2018-07-23 13:53:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:37,338 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:53:37,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:53:37,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=30103, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:53:37,339 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 175 states. [2018-07-23 13:53:38,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:38,883 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:53:38,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:53:38,883 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 174 [2018-07-23 13:53:38,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:38,883 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:53:38,883 INFO L226 Difference]: Without dead ends: 176 [2018-07-23 13:53:38,885 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=347, Invalid=30103, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:53:38,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-07-23 13:53:38,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-07-23 13:53:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-07-23 13:53:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2018-07-23 13:53:38,925 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 176 transitions. Word has length 174 [2018-07-23 13:53:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:38,926 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 176 transitions. [2018-07-23 13:53:38,926 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:53:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2018-07-23 13:53:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-07-23 13:53:38,926 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:38,927 INFO L357 BasicCegarLoop]: trace histogram [173, 1, 1] [2018-07-23 13:53:38,927 INFO L414 AbstractCegarLoop]: === Iteration 174 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:38,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1127465631, now seen corresponding path program 173 times [2018-07-23 13:53:38,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:40,169 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:40,169 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:53:40,169 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:40,169 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 13:53:40,170 INFO L185 omatonBuilderFactory]: Interpolants [78081#(and (<= proc_a 90) (<= 90 proc_a)), 78080#(and (<= 88 proc_a) (<= proc_a 88)), 78083#(and (<= proc_a 94) (<= 94 proc_a)), 78082#(and (<= 92 proc_a) (<= proc_a 92)), 78085#(and (<= 98 proc_a) (<= proc_a 98)), 78084#(and (<= proc_a 96) (<= 96 proc_a)), 78087#(and (<= 102 proc_a) (<= proc_a 102)), 78086#(and (<= proc_a 100) (<= 100 proc_a)), 78089#(and (<= 106 proc_a) (<= proc_a 106)), 78088#(and (<= proc_a 104) (<= 104 proc_a)), 78091#(and (<= proc_a 110) (<= 110 proc_a)), 78090#(and (<= proc_a 108) (<= 108 proc_a)), 78093#(and (<= 114 proc_a) (<= proc_a 114)), 78092#(and (<= proc_a 112) (<= 112 proc_a)), 78095#(and (<= proc_a 118) (<= 118 proc_a)), 78094#(and (<= 116 proc_a) (<= proc_a 116)), 78097#(and (<= proc_a 122) (<= 122 proc_a)), 78096#(and (<= 120 proc_a) (<= proc_a 120)), 78099#(and (<= proc_a 126) (<= 126 proc_a)), 78098#(and (<= proc_a 124) (<= 124 proc_a)), 78101#(and (<= proc_a 130) (<= 130 proc_a)), 78100#(and (<= 128 proc_a) (<= proc_a 128)), 78103#(and (<= proc_a 134) (<= 134 proc_a)), 78102#(and (<= 132 proc_a) (<= proc_a 132)), 78105#(and (<= proc_a 138) (<= 138 proc_a)), 78104#(and (<= proc_a 136) (<= 136 proc_a)), 78107#(and (<= 142 proc_a) (<= proc_a 142)), 78106#(and (<= proc_a 140) (<= 140 proc_a)), 78109#(and (<= proc_a 146) (<= 146 proc_a)), 78108#(and (<= 144 proc_a) (<= proc_a 144)), 78111#(and (<= proc_a 150) (<= 150 proc_a)), 78110#(and (<= 148 proc_a) (<= proc_a 148)), 78113#(and (<= 154 proc_a) (<= proc_a 154)), 78112#(and (<= proc_a 152) (<= 152 proc_a)), 78115#(and (<= proc_a 158) (<= 158 proc_a)), 78114#(and (<= 156 proc_a) (<= proc_a 156)), 78117#(and (<= proc_a 162) (<= 162 proc_a)), 78116#(and (<= 160 proc_a) (<= proc_a 160)), 78119#(and (<= 166 proc_a) (<= proc_a 166)), 78118#(and (<= 164 proc_a) (<= proc_a 164)), 78121#(and (<= 170 proc_a) (<= proc_a 170)), 78120#(and (<= 168 proc_a) (<= proc_a 168)), 78123#(and (<= proc_a 174) (<= 174 proc_a)), 78122#(and (<= 172 proc_a) (<= proc_a 172)), 78125#(and (<= 178 proc_a) (<= proc_a 178)), 78124#(and (<= 176 proc_a) (<= proc_a 176)), 78127#(and (<= proc_a 182) (<= 182 proc_a)), 78126#(and (<= proc_a 180) (<= 180 proc_a)), 78129#(and (<= 186 proc_a) (<= proc_a 186)), 78128#(and (<= 184 proc_a) (<= proc_a 184)), 78131#(and (<= 190 proc_a) (<= proc_a 190)), 78130#(and (<= 188 proc_a) (<= proc_a 188)), 78133#(and (<= 194 proc_a) (<= proc_a 194)), 78132#(and (<= proc_a 192) (<= 192 proc_a)), 78135#(and (<= 198 proc_a) (<= proc_a 198)), 78134#(and (<= proc_a 196) (<= 196 proc_a)), 78137#(and (<= proc_a 202) (<= 202 proc_a)), 78136#(and (<= proc_a 200) (<= 200 proc_a)), 78139#(and (<= 206 proc_a) (<= proc_a 206)), 78138#(and (<= 204 proc_a) (<= proc_a 204)), 78141#(and (<= proc_a 210) (<= 210 proc_a)), 78140#(and (<= 208 proc_a) (<= proc_a 208)), 78143#(and (<= 214 proc_a) (<= proc_a 214)), 78142#(and (<= proc_a 212) (<= 212 proc_a)), 78145#(and (<= proc_a 218) (<= 218 proc_a)), 78144#(and (<= 216 proc_a) (<= proc_a 216)), 78147#(and (<= 222 proc_a) (<= proc_a 222)), 78146#(and (<= proc_a 220) (<= 220 proc_a)), 78149#(and (<= proc_a 226) (<= 226 proc_a)), 78148#(and (<= 224 proc_a) (<= proc_a 224)), 78151#(and (<= proc_a 230) (<= 230 proc_a)), 78150#(and (<= 228 proc_a) (<= proc_a 228)), 78153#(and (<= proc_a 234) (<= 234 proc_a)), 78152#(and (<= 232 proc_a) (<= proc_a 232)), 78155#(and (<= 238 proc_a) (<= proc_a 238)), 78154#(and (<= proc_a 236) (<= 236 proc_a)), 78157#(and (<= proc_a 242) (<= 242 proc_a)), 78156#(and (<= 240 proc_a) (<= proc_a 240)), 78159#(and (<= proc_a 246) (<= 246 proc_a)), 78158#(and (<= proc_a 244) (<= 244 proc_a)), 78161#(and (<= proc_a 250) (<= 250 proc_a)), 78160#(and (<= 248 proc_a) (<= proc_a 248)), 78163#(and (<= 254 proc_a) (<= proc_a 254)), 78162#(and (<= 252 proc_a) (<= proc_a 252)), 78165#(and (<= 258 proc_a) (<= proc_a 258)), 78164#(and (<= proc_a 256) (<= 256 proc_a)), 78167#(and (<= 262 proc_a) (<= proc_a 262)), 78166#(and (<= proc_a 260) (<= 260 proc_a)), 78169#(and (<= 266 proc_a) (<= proc_a 266)), 78168#(and (<= proc_a 264) (<= 264 proc_a)), 78171#(and (<= proc_a 270) (<= 270 proc_a)), 78170#(and (<= proc_a 268) (<= 268 proc_a)), 78173#(and (<= proc_a 274) (<= 274 proc_a)), 78172#(and (<= proc_a 272) (<= 272 proc_a)), 78175#(and (<= proc_a 278) (<= 278 proc_a)), 78174#(and (<= proc_a 276) (<= 276 proc_a)), 78177#(and (<= proc_a 282) (<= 282 proc_a)), 78176#(and (<= proc_a 280) (<= 280 proc_a)), 78179#(and (<= proc_a 286) (<= 286 proc_a)), 78178#(and (<= proc_a 284) (<= 284 proc_a)), 78181#(and (<= proc_a 290) (<= 290 proc_a)), 78180#(and (<= proc_a 288) (<= 288 proc_a)), 78183#(and (<= 294 proc_a) (<= proc_a 294)), 78182#(and (<= proc_a 292) (<= 292 proc_a)), 78185#(and (<= 298 proc_a) (<= proc_a 298)), 78184#(and (<= 296 proc_a) (<= proc_a 296)), 78187#(and (<= proc_a 302) (<= 302 proc_a)), 78186#(and (<= proc_a 300) (<= 300 proc_a)), 78189#(and (<= 306 proc_a) (<= proc_a 306)), 78188#(and (<= proc_a 304) (<= 304 proc_a)), 78191#(and (<= proc_a 310) (<= 310 proc_a)), 78190#(and (<= 308 proc_a) (<= proc_a 308)), 78193#(and (<= proc_a 314) (<= 314 proc_a)), 78192#(and (<= proc_a 312) (<= 312 proc_a)), 78195#(and (<= 318 proc_a) (<= proc_a 318)), 78194#(and (<= 316 proc_a) (<= proc_a 316)), 78197#(and (<= proc_a 322) (<= 322 proc_a)), 78196#(and (<= proc_a 320) (<= 320 proc_a)), 78199#(and (<= proc_a 326) (<= 326 proc_a)), 78198#(and (<= 324 proc_a) (<= proc_a 324)), 78201#(and (<= proc_a 330) (<= 330 proc_a)), 78200#(and (<= proc_a 328) (<= 328 proc_a)), 78203#(and (<= 334 proc_a) (<= proc_a 334)), 78202#(and (<= proc_a 332) (<= 332 proc_a)), 78205#(and (<= proc_a 338) (<= 338 proc_a)), 78204#(and (<= 336 proc_a) (<= proc_a 336)), 78207#(and (<= 342 proc_a) (<= proc_a 342)), 78206#(and (<= proc_a 340) (<= 340 proc_a)), 78209#(and (<= proc_a 346) (<= 346 proc_a)), 78208#(and (<= 344 proc_a) (<= proc_a 344)), 78035#false, 78034#true, 78037#(and (<= 2 proc_a) (<= proc_a 2)), 78036#(and (<= proc_a 0) (<= 0 proc_a)), 78039#(and (<= 6 proc_a) (<= proc_a 6)), 78038#(and (<= 4 proc_a) (<= proc_a 4)), 78041#(and (<= 10 proc_a) (<= proc_a 10)), 78040#(and (<= proc_a 8) (<= 8 proc_a)), 78043#(and (<= 14 proc_a) (<= proc_a 14)), 78042#(and (<= proc_a 12) (<= 12 proc_a)), 78045#(and (<= 18 proc_a) (<= proc_a 18)), 78044#(and (<= proc_a 16) (<= 16 proc_a)), 78047#(and (<= 22 proc_a) (<= proc_a 22)), 78046#(and (<= 20 proc_a) (<= proc_a 20)), 78049#(and (<= 26 proc_a) (<= proc_a 26)), 78048#(and (<= 24 proc_a) (<= proc_a 24)), 78051#(and (<= proc_a 30) (<= 30 proc_a)), 78050#(and (<= proc_a 28) (<= 28 proc_a)), 78053#(and (<= 34 proc_a) (<= proc_a 34)), 78052#(and (<= 32 proc_a) (<= proc_a 32)), 78055#(and (<= 38 proc_a) (<= proc_a 38)), 78054#(and (<= 36 proc_a) (<= proc_a 36)), 78057#(and (<= proc_a 42) (<= 42 proc_a)), 78056#(and (<= 40 proc_a) (<= proc_a 40)), 78059#(and (<= proc_a 46) (<= 46 proc_a)), 78058#(and (<= proc_a 44) (<= 44 proc_a)), 78061#(and (<= 50 proc_a) (<= proc_a 50)), 78060#(and (<= 48 proc_a) (<= proc_a 48)), 78063#(and (<= 54 proc_a) (<= proc_a 54)), 78062#(and (<= 52 proc_a) (<= proc_a 52)), 78065#(and (<= proc_a 58) (<= 58 proc_a)), 78064#(and (<= proc_a 56) (<= 56 proc_a)), 78067#(and (<= 62 proc_a) (<= proc_a 62)), 78066#(and (<= 60 proc_a) (<= proc_a 60)), 78069#(and (<= 66 proc_a) (<= proc_a 66)), 78068#(and (<= 64 proc_a) (<= proc_a 64)), 78071#(and (<= proc_a 70) (<= 70 proc_a)), 78070#(and (<= 68 proc_a) (<= proc_a 68)), 78073#(and (<= proc_a 74) (<= 74 proc_a)), 78072#(and (<= 72 proc_a) (<= proc_a 72)), 78075#(and (<= 78 proc_a) (<= proc_a 78)), 78074#(and (<= proc_a 76) (<= 76 proc_a)), 78077#(and (<= 82 proc_a) (<= proc_a 82)), 78076#(and (<= proc_a 80) (<= 80 proc_a)), 78079#(and (<= 86 proc_a) (<= proc_a 86)), 78078#(and (<= proc_a 84) (<= 84 proc_a))] [2018-07-23 13:53:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:40,171 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:53:40,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:53:40,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=30451, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:53:40,172 INFO L87 Difference]: Start difference. First operand 176 states and 176 transitions. Second operand 176 states. [2018-07-23 13:53:41,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:41,733 INFO L93 Difference]: Finished difference Result 178 states and 178 transitions. [2018-07-23 13:53:41,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:53:41,734 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 175 [2018-07-23 13:53:41,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:41,734 INFO L225 Difference]: With dead ends: 178 [2018-07-23 13:53:41,734 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:53:41,736 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=349, Invalid=30451, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:53:41,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:53:41,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:53:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:53:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:53:41,740 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 175 [2018-07-23 13:53:41,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:41,741 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:53:41,741 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:53:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:53:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:53:41,741 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:41,741 INFO L357 BasicCegarLoop]: trace histogram [174, 1, 1] [2018-07-23 13:53:41,741 INFO L414 AbstractCegarLoop]: === Iteration 175 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:41,742 INFO L82 PathProgramCache]: Analyzing trace with hash -591696249, now seen corresponding path program 174 times [2018-07-23 13:53:41,742 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 15225 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:43,019 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:43,019 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:53:43,019 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:43,020 INFO L185 omatonBuilderFactory]: Interpolants [78921#false, 78920#true, 78923#(and (<= 2 proc_a) (<= proc_a 2)), 78922#(and (<= proc_a 0) (<= 0 proc_a)), 78925#(and (<= 6 proc_a) (<= proc_a 6)), 78924#(and (<= 4 proc_a) (<= proc_a 4)), 78927#(and (<= 10 proc_a) (<= proc_a 10)), 78926#(and (<= proc_a 8) (<= 8 proc_a)), 78929#(and (<= 14 proc_a) (<= proc_a 14)), 78928#(and (<= proc_a 12) (<= 12 proc_a)), 78931#(and (<= 18 proc_a) (<= proc_a 18)), 78930#(and (<= proc_a 16) (<= 16 proc_a)), 78933#(and (<= 22 proc_a) (<= proc_a 22)), 78932#(and (<= 20 proc_a) (<= proc_a 20)), 78935#(and (<= 26 proc_a) (<= proc_a 26)), 78934#(and (<= 24 proc_a) (<= proc_a 24)), 78937#(and (<= proc_a 30) (<= 30 proc_a)), 78936#(and (<= proc_a 28) (<= 28 proc_a)), 78939#(and (<= 34 proc_a) (<= proc_a 34)), 78938#(and (<= 32 proc_a) (<= proc_a 32)), 78941#(and (<= 38 proc_a) (<= proc_a 38)), 78940#(and (<= 36 proc_a) (<= proc_a 36)), 78943#(and (<= proc_a 42) (<= 42 proc_a)), 78942#(and (<= 40 proc_a) (<= proc_a 40)), 78945#(and (<= proc_a 46) (<= 46 proc_a)), 78944#(and (<= proc_a 44) (<= 44 proc_a)), 78947#(and (<= 50 proc_a) (<= proc_a 50)), 78946#(and (<= 48 proc_a) (<= proc_a 48)), 78949#(and (<= 54 proc_a) (<= proc_a 54)), 78948#(and (<= 52 proc_a) (<= proc_a 52)), 78951#(and (<= proc_a 58) (<= 58 proc_a)), 78950#(and (<= proc_a 56) (<= 56 proc_a)), 78953#(and (<= 62 proc_a) (<= proc_a 62)), 78952#(and (<= 60 proc_a) (<= proc_a 60)), 78955#(and (<= 66 proc_a) (<= proc_a 66)), 78954#(and (<= 64 proc_a) (<= proc_a 64)), 78957#(and (<= proc_a 70) (<= 70 proc_a)), 78956#(and (<= 68 proc_a) (<= proc_a 68)), 78959#(and (<= proc_a 74) (<= 74 proc_a)), 78958#(and (<= 72 proc_a) (<= proc_a 72)), 78961#(and (<= 78 proc_a) (<= proc_a 78)), 78960#(and (<= proc_a 76) (<= 76 proc_a)), 78963#(and (<= 82 proc_a) (<= proc_a 82)), 78962#(and (<= proc_a 80) (<= 80 proc_a)), 78965#(and (<= 86 proc_a) (<= proc_a 86)), 78964#(and (<= proc_a 84) (<= 84 proc_a)), 78967#(and (<= proc_a 90) (<= 90 proc_a)), 78966#(and (<= 88 proc_a) (<= proc_a 88)), 78969#(and (<= proc_a 94) (<= 94 proc_a)), 78968#(and (<= 92 proc_a) (<= proc_a 92)), 78971#(and (<= 98 proc_a) (<= proc_a 98)), 78970#(and (<= proc_a 96) (<= 96 proc_a)), 78973#(and (<= 102 proc_a) (<= proc_a 102)), 78972#(and (<= proc_a 100) (<= 100 proc_a)), 78975#(and (<= 106 proc_a) (<= proc_a 106)), 78974#(and (<= proc_a 104) (<= 104 proc_a)), 78977#(and (<= proc_a 110) (<= 110 proc_a)), 78976#(and (<= proc_a 108) (<= 108 proc_a)), 78979#(and (<= 114 proc_a) (<= proc_a 114)), 78978#(and (<= proc_a 112) (<= 112 proc_a)), 78981#(and (<= proc_a 118) (<= 118 proc_a)), 78980#(and (<= 116 proc_a) (<= proc_a 116)), 78983#(and (<= proc_a 122) (<= 122 proc_a)), 78982#(and (<= 120 proc_a) (<= proc_a 120)), 78985#(and (<= proc_a 126) (<= 126 proc_a)), 78984#(and (<= proc_a 124) (<= 124 proc_a)), 78987#(and (<= proc_a 130) (<= 130 proc_a)), 78986#(and (<= 128 proc_a) (<= proc_a 128)), 78989#(and (<= proc_a 134) (<= 134 proc_a)), 78988#(and (<= 132 proc_a) (<= proc_a 132)), 78991#(and (<= proc_a 138) (<= 138 proc_a)), 78990#(and (<= proc_a 136) (<= 136 proc_a)), 78993#(and (<= 142 proc_a) (<= proc_a 142)), 78992#(and (<= proc_a 140) (<= 140 proc_a)), 78995#(and (<= proc_a 146) (<= 146 proc_a)), 78994#(and (<= 144 proc_a) (<= proc_a 144)), 78997#(and (<= proc_a 150) (<= 150 proc_a)), 78996#(and (<= 148 proc_a) (<= proc_a 148)), 78999#(and (<= 154 proc_a) (<= proc_a 154)), 78998#(and (<= proc_a 152) (<= 152 proc_a)), 79001#(and (<= proc_a 158) (<= 158 proc_a)), 79000#(and (<= 156 proc_a) (<= proc_a 156)), 79003#(and (<= proc_a 162) (<= 162 proc_a)), 79002#(and (<= 160 proc_a) (<= proc_a 160)), 79005#(and (<= 166 proc_a) (<= proc_a 166)), 79004#(and (<= 164 proc_a) (<= proc_a 164)), 79007#(and (<= 170 proc_a) (<= proc_a 170)), 79006#(and (<= 168 proc_a) (<= proc_a 168)), 79009#(and (<= proc_a 174) (<= 174 proc_a)), 79008#(and (<= 172 proc_a) (<= proc_a 172)), 79011#(and (<= 178 proc_a) (<= proc_a 178)), 79010#(and (<= 176 proc_a) (<= proc_a 176)), 79013#(and (<= proc_a 182) (<= 182 proc_a)), 79012#(and (<= proc_a 180) (<= 180 proc_a)), 79015#(and (<= 186 proc_a) (<= proc_a 186)), 79014#(and (<= 184 proc_a) (<= proc_a 184)), 79017#(and (<= 190 proc_a) (<= proc_a 190)), 79016#(and (<= 188 proc_a) (<= proc_a 188)), 79019#(and (<= 194 proc_a) (<= proc_a 194)), 79018#(and (<= proc_a 192) (<= 192 proc_a)), 79021#(and (<= 198 proc_a) (<= proc_a 198)), 79020#(and (<= proc_a 196) (<= 196 proc_a)), 79023#(and (<= proc_a 202) (<= 202 proc_a)), 79022#(and (<= proc_a 200) (<= 200 proc_a)), 79025#(and (<= 206 proc_a) (<= proc_a 206)), 79024#(and (<= 204 proc_a) (<= proc_a 204)), 79027#(and (<= proc_a 210) (<= 210 proc_a)), 79026#(and (<= 208 proc_a) (<= proc_a 208)), 79029#(and (<= 214 proc_a) (<= proc_a 214)), 79028#(and (<= proc_a 212) (<= 212 proc_a)), 79031#(and (<= proc_a 218) (<= 218 proc_a)), 79030#(and (<= 216 proc_a) (<= proc_a 216)), 79033#(and (<= 222 proc_a) (<= proc_a 222)), 79032#(and (<= proc_a 220) (<= 220 proc_a)), 79035#(and (<= proc_a 226) (<= 226 proc_a)), 79034#(and (<= 224 proc_a) (<= proc_a 224)), 79037#(and (<= proc_a 230) (<= 230 proc_a)), 79036#(and (<= 228 proc_a) (<= proc_a 228)), 79039#(and (<= proc_a 234) (<= 234 proc_a)), 79038#(and (<= 232 proc_a) (<= proc_a 232)), 79041#(and (<= 238 proc_a) (<= proc_a 238)), 79040#(and (<= proc_a 236) (<= 236 proc_a)), 79043#(and (<= proc_a 242) (<= 242 proc_a)), 79042#(and (<= 240 proc_a) (<= proc_a 240)), 79045#(and (<= proc_a 246) (<= 246 proc_a)), 79044#(and (<= proc_a 244) (<= 244 proc_a)), 79047#(and (<= proc_a 250) (<= 250 proc_a)), 79046#(and (<= 248 proc_a) (<= proc_a 248)), 79049#(and (<= 254 proc_a) (<= proc_a 254)), 79048#(and (<= 252 proc_a) (<= proc_a 252)), 79051#(and (<= 258 proc_a) (<= proc_a 258)), 79050#(and (<= proc_a 256) (<= 256 proc_a)), 79053#(and (<= 262 proc_a) (<= proc_a 262)), 79052#(and (<= proc_a 260) (<= 260 proc_a)), 79055#(and (<= 266 proc_a) (<= proc_a 266)), 79054#(and (<= proc_a 264) (<= 264 proc_a)), 79057#(and (<= proc_a 270) (<= 270 proc_a)), 79056#(and (<= proc_a 268) (<= 268 proc_a)), 79059#(and (<= proc_a 274) (<= 274 proc_a)), 79058#(and (<= proc_a 272) (<= 272 proc_a)), 79061#(and (<= proc_a 278) (<= 278 proc_a)), 79060#(and (<= proc_a 276) (<= 276 proc_a)), 79063#(and (<= proc_a 282) (<= 282 proc_a)), 79062#(and (<= proc_a 280) (<= 280 proc_a)), 79065#(and (<= proc_a 286) (<= 286 proc_a)), 79064#(and (<= proc_a 284) (<= 284 proc_a)), 79067#(and (<= proc_a 290) (<= 290 proc_a)), 79066#(and (<= proc_a 288) (<= 288 proc_a)), 79069#(and (<= 294 proc_a) (<= proc_a 294)), 79068#(and (<= proc_a 292) (<= 292 proc_a)), 79071#(and (<= 298 proc_a) (<= proc_a 298)), 79070#(and (<= 296 proc_a) (<= proc_a 296)), 79073#(and (<= proc_a 302) (<= 302 proc_a)), 79072#(and (<= proc_a 300) (<= 300 proc_a)), 79075#(and (<= 306 proc_a) (<= proc_a 306)), 79074#(and (<= proc_a 304) (<= 304 proc_a)), 79077#(and (<= proc_a 310) (<= 310 proc_a)), 79076#(and (<= 308 proc_a) (<= proc_a 308)), 79079#(and (<= proc_a 314) (<= 314 proc_a)), 79078#(and (<= proc_a 312) (<= 312 proc_a)), 79081#(and (<= 318 proc_a) (<= proc_a 318)), 79080#(and (<= 316 proc_a) (<= proc_a 316)), 79083#(and (<= proc_a 322) (<= 322 proc_a)), 79082#(and (<= proc_a 320) (<= 320 proc_a)), 79085#(and (<= proc_a 326) (<= 326 proc_a)), 79084#(and (<= 324 proc_a) (<= proc_a 324)), 79087#(and (<= proc_a 330) (<= 330 proc_a)), 79086#(and (<= proc_a 328) (<= 328 proc_a)), 79089#(and (<= 334 proc_a) (<= proc_a 334)), 79088#(and (<= proc_a 332) (<= 332 proc_a)), 79091#(and (<= proc_a 338) (<= 338 proc_a)), 79090#(and (<= 336 proc_a) (<= proc_a 336)), 79093#(and (<= 342 proc_a) (<= proc_a 342)), 79092#(and (<= proc_a 340) (<= 340 proc_a)), 79095#(and (<= proc_a 346) (<= 346 proc_a)), 79094#(and (<= 344 proc_a) (<= proc_a 344)), 79096#(and (<= 348 proc_a) (<= proc_a 348))] [2018-07-23 13:53:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 15225 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:43,021 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:53:43,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:53:43,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=30801, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:53:43,022 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 177 states. [2018-07-23 13:53:44,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:44,541 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:53:44,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:53:44,541 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 176 [2018-07-23 13:53:44,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:44,541 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:53:44,542 INFO L226 Difference]: Without dead ends: 178 [2018-07-23 13:53:44,543 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=351, Invalid=30801, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:53:44,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-07-23 13:53:44,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2018-07-23 13:53:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-07-23 13:53:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 178 transitions. [2018-07-23 13:53:44,548 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 178 transitions. Word has length 176 [2018-07-23 13:53:44,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:44,548 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 178 transitions. [2018-07-23 13:53:44,548 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:53:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 178 transitions. [2018-07-23 13:53:44,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-23 13:53:44,548 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:44,548 INFO L357 BasicCegarLoop]: trace histogram [175, 1, 1] [2018-07-23 13:53:44,548 INFO L414 AbstractCegarLoop]: === Iteration 176 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:44,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1162714591, now seen corresponding path program 175 times [2018-07-23 13:53:44,549 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 15400 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:45,787 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:45,787 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:53:45,787 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:45,788 INFO L185 omatonBuilderFactory]: Interpolants [79873#(and (<= 120 proc_a) (<= proc_a 120)), 79872#(and (<= proc_a 118) (<= 118 proc_a)), 79875#(and (<= proc_a 124) (<= 124 proc_a)), 79874#(and (<= proc_a 122) (<= 122 proc_a)), 79877#(and (<= 128 proc_a) (<= proc_a 128)), 79876#(and (<= proc_a 126) (<= 126 proc_a)), 79879#(and (<= 132 proc_a) (<= proc_a 132)), 79878#(and (<= proc_a 130) (<= 130 proc_a)), 79881#(and (<= proc_a 136) (<= 136 proc_a)), 79880#(and (<= proc_a 134) (<= 134 proc_a)), 79883#(and (<= proc_a 140) (<= 140 proc_a)), 79882#(and (<= proc_a 138) (<= 138 proc_a)), 79885#(and (<= 144 proc_a) (<= proc_a 144)), 79884#(and (<= 142 proc_a) (<= proc_a 142)), 79887#(and (<= 148 proc_a) (<= proc_a 148)), 79886#(and (<= proc_a 146) (<= 146 proc_a)), 79889#(and (<= proc_a 152) (<= 152 proc_a)), 79888#(and (<= proc_a 150) (<= 150 proc_a)), 79891#(and (<= 156 proc_a) (<= proc_a 156)), 79890#(and (<= 154 proc_a) (<= proc_a 154)), 79893#(and (<= 160 proc_a) (<= proc_a 160)), 79892#(and (<= proc_a 158) (<= 158 proc_a)), 79895#(and (<= 164 proc_a) (<= proc_a 164)), 79894#(and (<= proc_a 162) (<= 162 proc_a)), 79897#(and (<= 168 proc_a) (<= proc_a 168)), 79896#(and (<= 166 proc_a) (<= proc_a 166)), 79899#(and (<= 172 proc_a) (<= proc_a 172)), 79898#(and (<= 170 proc_a) (<= proc_a 170)), 79901#(and (<= 176 proc_a) (<= proc_a 176)), 79900#(and (<= proc_a 174) (<= 174 proc_a)), 79903#(and (<= proc_a 180) (<= 180 proc_a)), 79902#(and (<= 178 proc_a) (<= proc_a 178)), 79905#(and (<= 184 proc_a) (<= proc_a 184)), 79904#(and (<= proc_a 182) (<= 182 proc_a)), 79907#(and (<= 188 proc_a) (<= proc_a 188)), 79906#(and (<= 186 proc_a) (<= proc_a 186)), 79909#(and (<= proc_a 192) (<= 192 proc_a)), 79908#(and (<= 190 proc_a) (<= proc_a 190)), 79911#(and (<= proc_a 196) (<= 196 proc_a)), 79910#(and (<= 194 proc_a) (<= proc_a 194)), 79913#(and (<= proc_a 200) (<= 200 proc_a)), 79912#(and (<= 198 proc_a) (<= proc_a 198)), 79915#(and (<= 204 proc_a) (<= proc_a 204)), 79914#(and (<= proc_a 202) (<= 202 proc_a)), 79917#(and (<= 208 proc_a) (<= proc_a 208)), 79916#(and (<= 206 proc_a) (<= proc_a 206)), 79919#(and (<= proc_a 212) (<= 212 proc_a)), 79918#(and (<= proc_a 210) (<= 210 proc_a)), 79921#(and (<= 216 proc_a) (<= proc_a 216)), 79920#(and (<= 214 proc_a) (<= proc_a 214)), 79923#(and (<= proc_a 220) (<= 220 proc_a)), 79922#(and (<= proc_a 218) (<= 218 proc_a)), 79925#(and (<= 224 proc_a) (<= proc_a 224)), 79924#(and (<= 222 proc_a) (<= proc_a 222)), 79927#(and (<= 228 proc_a) (<= proc_a 228)), 79926#(and (<= proc_a 226) (<= 226 proc_a)), 79929#(and (<= 232 proc_a) (<= proc_a 232)), 79928#(and (<= proc_a 230) (<= 230 proc_a)), 79931#(and (<= proc_a 236) (<= 236 proc_a)), 79930#(and (<= proc_a 234) (<= 234 proc_a)), 79933#(and (<= 240 proc_a) (<= proc_a 240)), 79932#(and (<= 238 proc_a) (<= proc_a 238)), 79935#(and (<= proc_a 244) (<= 244 proc_a)), 79934#(and (<= proc_a 242) (<= 242 proc_a)), 79937#(and (<= 248 proc_a) (<= proc_a 248)), 79936#(and (<= proc_a 246) (<= 246 proc_a)), 79939#(and (<= 252 proc_a) (<= proc_a 252)), 79938#(and (<= proc_a 250) (<= 250 proc_a)), 79941#(and (<= proc_a 256) (<= 256 proc_a)), 79940#(and (<= 254 proc_a) (<= proc_a 254)), 79943#(and (<= proc_a 260) (<= 260 proc_a)), 79942#(and (<= 258 proc_a) (<= proc_a 258)), 79945#(and (<= proc_a 264) (<= 264 proc_a)), 79944#(and (<= 262 proc_a) (<= proc_a 262)), 79947#(and (<= proc_a 268) (<= 268 proc_a)), 79946#(and (<= 266 proc_a) (<= proc_a 266)), 79949#(and (<= proc_a 272) (<= 272 proc_a)), 79948#(and (<= proc_a 270) (<= 270 proc_a)), 79951#(and (<= proc_a 276) (<= 276 proc_a)), 79950#(and (<= proc_a 274) (<= 274 proc_a)), 79953#(and (<= proc_a 280) (<= 280 proc_a)), 79952#(and (<= proc_a 278) (<= 278 proc_a)), 79955#(and (<= proc_a 284) (<= 284 proc_a)), 79954#(and (<= proc_a 282) (<= 282 proc_a)), 79957#(and (<= proc_a 288) (<= 288 proc_a)), 79956#(and (<= proc_a 286) (<= 286 proc_a)), 79959#(and (<= proc_a 292) (<= 292 proc_a)), 79958#(and (<= proc_a 290) (<= 290 proc_a)), 79961#(and (<= 296 proc_a) (<= proc_a 296)), 79960#(and (<= 294 proc_a) (<= proc_a 294)), 79963#(and (<= proc_a 300) (<= 300 proc_a)), 79962#(and (<= 298 proc_a) (<= proc_a 298)), 79965#(and (<= proc_a 304) (<= 304 proc_a)), 79964#(and (<= proc_a 302) (<= 302 proc_a)), 79967#(and (<= 308 proc_a) (<= proc_a 308)), 79966#(and (<= 306 proc_a) (<= proc_a 306)), 79969#(and (<= proc_a 312) (<= 312 proc_a)), 79968#(and (<= proc_a 310) (<= 310 proc_a)), 79971#(and (<= 316 proc_a) (<= proc_a 316)), 79970#(and (<= proc_a 314) (<= 314 proc_a)), 79973#(and (<= proc_a 320) (<= 320 proc_a)), 79972#(and (<= 318 proc_a) (<= proc_a 318)), 79975#(and (<= 324 proc_a) (<= proc_a 324)), 79974#(and (<= proc_a 322) (<= 322 proc_a)), 79977#(and (<= proc_a 328) (<= 328 proc_a)), 79976#(and (<= proc_a 326) (<= 326 proc_a)), 79979#(and (<= proc_a 332) (<= 332 proc_a)), 79978#(and (<= proc_a 330) (<= 330 proc_a)), 79981#(and (<= 336 proc_a) (<= proc_a 336)), 79980#(and (<= 334 proc_a) (<= proc_a 334)), 79983#(and (<= proc_a 340) (<= 340 proc_a)), 79982#(and (<= proc_a 338) (<= 338 proc_a)), 79985#(and (<= 344 proc_a) (<= proc_a 344)), 79984#(and (<= 342 proc_a) (<= proc_a 342)), 79987#(and (<= 348 proc_a) (<= proc_a 348)), 79986#(and (<= proc_a 346) (<= 346 proc_a)), 79988#(and (<= proc_a 350) (<= 350 proc_a)), 79811#true, 79813#(and (<= proc_a 0) (<= 0 proc_a)), 79812#false, 79815#(and (<= 4 proc_a) (<= proc_a 4)), 79814#(and (<= 2 proc_a) (<= proc_a 2)), 79817#(and (<= proc_a 8) (<= 8 proc_a)), 79816#(and (<= 6 proc_a) (<= proc_a 6)), 79819#(and (<= proc_a 12) (<= 12 proc_a)), 79818#(and (<= 10 proc_a) (<= proc_a 10)), 79821#(and (<= proc_a 16) (<= 16 proc_a)), 79820#(and (<= 14 proc_a) (<= proc_a 14)), 79823#(and (<= 20 proc_a) (<= proc_a 20)), 79822#(and (<= 18 proc_a) (<= proc_a 18)), 79825#(and (<= 24 proc_a) (<= proc_a 24)), 79824#(and (<= 22 proc_a) (<= proc_a 22)), 79827#(and (<= proc_a 28) (<= 28 proc_a)), 79826#(and (<= 26 proc_a) (<= proc_a 26)), 79829#(and (<= 32 proc_a) (<= proc_a 32)), 79828#(and (<= proc_a 30) (<= 30 proc_a)), 79831#(and (<= 36 proc_a) (<= proc_a 36)), 79830#(and (<= 34 proc_a) (<= proc_a 34)), 79833#(and (<= 40 proc_a) (<= proc_a 40)), 79832#(and (<= 38 proc_a) (<= proc_a 38)), 79835#(and (<= proc_a 44) (<= 44 proc_a)), 79834#(and (<= proc_a 42) (<= 42 proc_a)), 79837#(and (<= 48 proc_a) (<= proc_a 48)), 79836#(and (<= proc_a 46) (<= 46 proc_a)), 79839#(and (<= 52 proc_a) (<= proc_a 52)), 79838#(and (<= 50 proc_a) (<= proc_a 50)), 79841#(and (<= proc_a 56) (<= 56 proc_a)), 79840#(and (<= 54 proc_a) (<= proc_a 54)), 79843#(and (<= 60 proc_a) (<= proc_a 60)), 79842#(and (<= proc_a 58) (<= 58 proc_a)), 79845#(and (<= 64 proc_a) (<= proc_a 64)), 79844#(and (<= 62 proc_a) (<= proc_a 62)), 79847#(and (<= 68 proc_a) (<= proc_a 68)), 79846#(and (<= 66 proc_a) (<= proc_a 66)), 79849#(and (<= 72 proc_a) (<= proc_a 72)), 79848#(and (<= proc_a 70) (<= 70 proc_a)), 79851#(and (<= proc_a 76) (<= 76 proc_a)), 79850#(and (<= proc_a 74) (<= 74 proc_a)), 79853#(and (<= proc_a 80) (<= 80 proc_a)), 79852#(and (<= 78 proc_a) (<= proc_a 78)), 79855#(and (<= proc_a 84) (<= 84 proc_a)), 79854#(and (<= 82 proc_a) (<= proc_a 82)), 79857#(and (<= 88 proc_a) (<= proc_a 88)), 79856#(and (<= 86 proc_a) (<= proc_a 86)), 79859#(and (<= 92 proc_a) (<= proc_a 92)), 79858#(and (<= proc_a 90) (<= 90 proc_a)), 79861#(and (<= proc_a 96) (<= 96 proc_a)), 79860#(and (<= proc_a 94) (<= 94 proc_a)), 79863#(and (<= proc_a 100) (<= 100 proc_a)), 79862#(and (<= 98 proc_a) (<= proc_a 98)), 79865#(and (<= proc_a 104) (<= 104 proc_a)), 79864#(and (<= 102 proc_a) (<= proc_a 102)), 79867#(and (<= proc_a 108) (<= 108 proc_a)), 79866#(and (<= 106 proc_a) (<= proc_a 106)), 79869#(and (<= proc_a 112) (<= 112 proc_a)), 79868#(and (<= proc_a 110) (<= 110 proc_a)), 79871#(and (<= 116 proc_a) (<= proc_a 116)), 79870#(and (<= 114 proc_a) (<= proc_a 114))] [2018-07-23 13:53:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 15400 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:45,789 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:53:45,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:53:45,790 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=31153, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:53:45,790 INFO L87 Difference]: Start difference. First operand 178 states and 178 transitions. Second operand 178 states. [2018-07-23 13:53:47,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:47,401 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2018-07-23 13:53:47,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:53:47,402 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 177 [2018-07-23 13:53:47,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:47,402 INFO L225 Difference]: With dead ends: 180 [2018-07-23 13:53:47,402 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:53:47,403 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=353, Invalid=31153, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:53:47,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:53:47,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:53:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:53:47,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:53:47,407 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 177 [2018-07-23 13:53:47,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:47,408 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:53:47,408 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:53:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:53:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:53:47,408 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:47,408 INFO L357 BasicCegarLoop]: trace histogram [176, 1, 1] [2018-07-23 13:53:47,408 INFO L414 AbstractCegarLoop]: === Iteration 177 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:47,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1684414009, now seen corresponding path program 176 times [2018-07-23 13:53:47,409 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:48,673 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:48,673 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:53:48,673 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:48,674 INFO L185 omatonBuilderFactory]: Interpolants [80707#true, 80709#(and (<= proc_a 0) (<= 0 proc_a)), 80708#false, 80711#(and (<= 4 proc_a) (<= proc_a 4)), 80710#(and (<= 2 proc_a) (<= proc_a 2)), 80713#(and (<= proc_a 8) (<= 8 proc_a)), 80712#(and (<= 6 proc_a) (<= proc_a 6)), 80715#(and (<= proc_a 12) (<= 12 proc_a)), 80714#(and (<= 10 proc_a) (<= proc_a 10)), 80717#(and (<= proc_a 16) (<= 16 proc_a)), 80716#(and (<= 14 proc_a) (<= proc_a 14)), 80719#(and (<= 20 proc_a) (<= proc_a 20)), 80718#(and (<= 18 proc_a) (<= proc_a 18)), 80721#(and (<= 24 proc_a) (<= proc_a 24)), 80720#(and (<= 22 proc_a) (<= proc_a 22)), 80723#(and (<= proc_a 28) (<= 28 proc_a)), 80722#(and (<= 26 proc_a) (<= proc_a 26)), 80725#(and (<= 32 proc_a) (<= proc_a 32)), 80724#(and (<= proc_a 30) (<= 30 proc_a)), 80727#(and (<= 36 proc_a) (<= proc_a 36)), 80726#(and (<= 34 proc_a) (<= proc_a 34)), 80729#(and (<= 40 proc_a) (<= proc_a 40)), 80728#(and (<= 38 proc_a) (<= proc_a 38)), 80731#(and (<= proc_a 44) (<= 44 proc_a)), 80730#(and (<= proc_a 42) (<= 42 proc_a)), 80733#(and (<= 48 proc_a) (<= proc_a 48)), 80732#(and (<= proc_a 46) (<= 46 proc_a)), 80735#(and (<= 52 proc_a) (<= proc_a 52)), 80734#(and (<= 50 proc_a) (<= proc_a 50)), 80737#(and (<= proc_a 56) (<= 56 proc_a)), 80736#(and (<= 54 proc_a) (<= proc_a 54)), 80739#(and (<= 60 proc_a) (<= proc_a 60)), 80738#(and (<= proc_a 58) (<= 58 proc_a)), 80741#(and (<= 64 proc_a) (<= proc_a 64)), 80740#(and (<= 62 proc_a) (<= proc_a 62)), 80743#(and (<= 68 proc_a) (<= proc_a 68)), 80742#(and (<= 66 proc_a) (<= proc_a 66)), 80745#(and (<= 72 proc_a) (<= proc_a 72)), 80744#(and (<= proc_a 70) (<= 70 proc_a)), 80747#(and (<= proc_a 76) (<= 76 proc_a)), 80746#(and (<= proc_a 74) (<= 74 proc_a)), 80749#(and (<= proc_a 80) (<= 80 proc_a)), 80748#(and (<= 78 proc_a) (<= proc_a 78)), 80751#(and (<= proc_a 84) (<= 84 proc_a)), 80750#(and (<= 82 proc_a) (<= proc_a 82)), 80753#(and (<= 88 proc_a) (<= proc_a 88)), 80752#(and (<= 86 proc_a) (<= proc_a 86)), 80755#(and (<= 92 proc_a) (<= proc_a 92)), 80754#(and (<= proc_a 90) (<= 90 proc_a)), 80757#(and (<= proc_a 96) (<= 96 proc_a)), 80756#(and (<= proc_a 94) (<= 94 proc_a)), 80759#(and (<= proc_a 100) (<= 100 proc_a)), 80758#(and (<= 98 proc_a) (<= proc_a 98)), 80761#(and (<= proc_a 104) (<= 104 proc_a)), 80760#(and (<= 102 proc_a) (<= proc_a 102)), 80763#(and (<= proc_a 108) (<= 108 proc_a)), 80762#(and (<= 106 proc_a) (<= proc_a 106)), 80765#(and (<= proc_a 112) (<= 112 proc_a)), 80764#(and (<= proc_a 110) (<= 110 proc_a)), 80767#(and (<= 116 proc_a) (<= proc_a 116)), 80766#(and (<= 114 proc_a) (<= proc_a 114)), 80769#(and (<= 120 proc_a) (<= proc_a 120)), 80768#(and (<= proc_a 118) (<= 118 proc_a)), 80771#(and (<= proc_a 124) (<= 124 proc_a)), 80770#(and (<= proc_a 122) (<= 122 proc_a)), 80773#(and (<= 128 proc_a) (<= proc_a 128)), 80772#(and (<= proc_a 126) (<= 126 proc_a)), 80775#(and (<= 132 proc_a) (<= proc_a 132)), 80774#(and (<= proc_a 130) (<= 130 proc_a)), 80777#(and (<= proc_a 136) (<= 136 proc_a)), 80776#(and (<= proc_a 134) (<= 134 proc_a)), 80779#(and (<= proc_a 140) (<= 140 proc_a)), 80778#(and (<= proc_a 138) (<= 138 proc_a)), 80781#(and (<= 144 proc_a) (<= proc_a 144)), 80780#(and (<= 142 proc_a) (<= proc_a 142)), 80783#(and (<= 148 proc_a) (<= proc_a 148)), 80782#(and (<= proc_a 146) (<= 146 proc_a)), 80785#(and (<= proc_a 152) (<= 152 proc_a)), 80784#(and (<= proc_a 150) (<= 150 proc_a)), 80787#(and (<= 156 proc_a) (<= proc_a 156)), 80786#(and (<= 154 proc_a) (<= proc_a 154)), 80789#(and (<= 160 proc_a) (<= proc_a 160)), 80788#(and (<= proc_a 158) (<= 158 proc_a)), 80791#(and (<= 164 proc_a) (<= proc_a 164)), 80790#(and (<= proc_a 162) (<= 162 proc_a)), 80793#(and (<= 168 proc_a) (<= proc_a 168)), 80792#(and (<= 166 proc_a) (<= proc_a 166)), 80795#(and (<= 172 proc_a) (<= proc_a 172)), 80794#(and (<= 170 proc_a) (<= proc_a 170)), 80797#(and (<= 176 proc_a) (<= proc_a 176)), 80796#(and (<= proc_a 174) (<= 174 proc_a)), 80799#(and (<= proc_a 180) (<= 180 proc_a)), 80798#(and (<= 178 proc_a) (<= proc_a 178)), 80801#(and (<= 184 proc_a) (<= proc_a 184)), 80800#(and (<= proc_a 182) (<= 182 proc_a)), 80803#(and (<= 188 proc_a) (<= proc_a 188)), 80802#(and (<= 186 proc_a) (<= proc_a 186)), 80805#(and (<= proc_a 192) (<= 192 proc_a)), 80804#(and (<= 190 proc_a) (<= proc_a 190)), 80807#(and (<= proc_a 196) (<= 196 proc_a)), 80806#(and (<= 194 proc_a) (<= proc_a 194)), 80809#(and (<= proc_a 200) (<= 200 proc_a)), 80808#(and (<= 198 proc_a) (<= proc_a 198)), 80811#(and (<= 204 proc_a) (<= proc_a 204)), 80810#(and (<= proc_a 202) (<= 202 proc_a)), 80813#(and (<= 208 proc_a) (<= proc_a 208)), 80812#(and (<= 206 proc_a) (<= proc_a 206)), 80815#(and (<= proc_a 212) (<= 212 proc_a)), 80814#(and (<= proc_a 210) (<= 210 proc_a)), 80817#(and (<= 216 proc_a) (<= proc_a 216)), 80816#(and (<= 214 proc_a) (<= proc_a 214)), 80819#(and (<= proc_a 220) (<= 220 proc_a)), 80818#(and (<= proc_a 218) (<= 218 proc_a)), 80821#(and (<= 224 proc_a) (<= proc_a 224)), 80820#(and (<= 222 proc_a) (<= proc_a 222)), 80823#(and (<= 228 proc_a) (<= proc_a 228)), 80822#(and (<= proc_a 226) (<= 226 proc_a)), 80825#(and (<= 232 proc_a) (<= proc_a 232)), 80824#(and (<= proc_a 230) (<= 230 proc_a)), 80827#(and (<= proc_a 236) (<= 236 proc_a)), 80826#(and (<= proc_a 234) (<= 234 proc_a)), 80829#(and (<= 240 proc_a) (<= proc_a 240)), 80828#(and (<= 238 proc_a) (<= proc_a 238)), 80831#(and (<= proc_a 244) (<= 244 proc_a)), 80830#(and (<= proc_a 242) (<= 242 proc_a)), 80833#(and (<= 248 proc_a) (<= proc_a 248)), 80832#(and (<= proc_a 246) (<= 246 proc_a)), 80835#(and (<= 252 proc_a) (<= proc_a 252)), 80834#(and (<= proc_a 250) (<= 250 proc_a)), 80837#(and (<= proc_a 256) (<= 256 proc_a)), 80836#(and (<= 254 proc_a) (<= proc_a 254)), 80839#(and (<= proc_a 260) (<= 260 proc_a)), 80838#(and (<= 258 proc_a) (<= proc_a 258)), 80841#(and (<= proc_a 264) (<= 264 proc_a)), 80840#(and (<= 262 proc_a) (<= proc_a 262)), 80843#(and (<= proc_a 268) (<= 268 proc_a)), 80842#(and (<= 266 proc_a) (<= proc_a 266)), 80845#(and (<= proc_a 272) (<= 272 proc_a)), 80844#(and (<= proc_a 270) (<= 270 proc_a)), 80847#(and (<= proc_a 276) (<= 276 proc_a)), 80846#(and (<= proc_a 274) (<= 274 proc_a)), 80849#(and (<= proc_a 280) (<= 280 proc_a)), 80848#(and (<= proc_a 278) (<= 278 proc_a)), 80851#(and (<= proc_a 284) (<= 284 proc_a)), 80850#(and (<= proc_a 282) (<= 282 proc_a)), 80853#(and (<= proc_a 288) (<= 288 proc_a)), 80852#(and (<= proc_a 286) (<= 286 proc_a)), 80855#(and (<= proc_a 292) (<= 292 proc_a)), 80854#(and (<= proc_a 290) (<= 290 proc_a)), 80857#(and (<= 296 proc_a) (<= proc_a 296)), 80856#(and (<= 294 proc_a) (<= proc_a 294)), 80859#(and (<= proc_a 300) (<= 300 proc_a)), 80858#(and (<= 298 proc_a) (<= proc_a 298)), 80861#(and (<= proc_a 304) (<= 304 proc_a)), 80860#(and (<= proc_a 302) (<= 302 proc_a)), 80863#(and (<= 308 proc_a) (<= proc_a 308)), 80862#(and (<= 306 proc_a) (<= proc_a 306)), 80865#(and (<= proc_a 312) (<= 312 proc_a)), 80864#(and (<= proc_a 310) (<= 310 proc_a)), 80867#(and (<= 316 proc_a) (<= proc_a 316)), 80866#(and (<= proc_a 314) (<= 314 proc_a)), 80869#(and (<= proc_a 320) (<= 320 proc_a)), 80868#(and (<= 318 proc_a) (<= proc_a 318)), 80871#(and (<= 324 proc_a) (<= proc_a 324)), 80870#(and (<= proc_a 322) (<= 322 proc_a)), 80873#(and (<= proc_a 328) (<= 328 proc_a)), 80872#(and (<= proc_a 326) (<= 326 proc_a)), 80875#(and (<= proc_a 332) (<= 332 proc_a)), 80874#(and (<= proc_a 330) (<= 330 proc_a)), 80877#(and (<= 336 proc_a) (<= proc_a 336)), 80876#(and (<= 334 proc_a) (<= proc_a 334)), 80879#(and (<= proc_a 340) (<= 340 proc_a)), 80878#(and (<= proc_a 338) (<= 338 proc_a)), 80881#(and (<= 344 proc_a) (<= proc_a 344)), 80880#(and (<= 342 proc_a) (<= proc_a 342)), 80883#(and (<= 348 proc_a) (<= proc_a 348)), 80882#(and (<= proc_a 346) (<= 346 proc_a)), 80885#(and (<= 352 proc_a) (<= proc_a 352)), 80884#(and (<= proc_a 350) (<= 350 proc_a))] [2018-07-23 13:53:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:48,675 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:53:48,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:53:48,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=31507, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:53:48,676 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 179 states. [2018-07-23 13:53:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:50,298 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:53:50,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:53:50,299 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 178 [2018-07-23 13:53:50,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:50,299 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:53:50,299 INFO L226 Difference]: Without dead ends: 180 [2018-07-23 13:53:50,301 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=355, Invalid=31507, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:53:50,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-07-23 13:53:50,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-07-23 13:53:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-07-23 13:53:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 180 transitions. [2018-07-23 13:53:50,306 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 180 transitions. Word has length 178 [2018-07-23 13:53:50,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:50,306 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 180 transitions. [2018-07-23 13:53:50,306 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:53:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 180 transitions. [2018-07-23 13:53:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 13:53:50,306 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:50,306 INFO L357 BasicCegarLoop]: trace histogram [177, 1, 1] [2018-07-23 13:53:50,307 INFO L414 AbstractCegarLoop]: === Iteration 178 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:50,307 INFO L82 PathProgramCache]: Analyzing trace with hash -677226783, now seen corresponding path program 177 times [2018-07-23 13:53:50,307 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 15753 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:51,594 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:51,594 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:53:51,594 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:51,595 INFO L185 omatonBuilderFactory]: Interpolants [81665#(and (<= proc_a 110) (<= 110 proc_a)), 81664#(and (<= proc_a 108) (<= 108 proc_a)), 81667#(and (<= 114 proc_a) (<= proc_a 114)), 81666#(and (<= proc_a 112) (<= 112 proc_a)), 81669#(and (<= proc_a 118) (<= 118 proc_a)), 81668#(and (<= 116 proc_a) (<= proc_a 116)), 81671#(and (<= proc_a 122) (<= 122 proc_a)), 81670#(and (<= 120 proc_a) (<= proc_a 120)), 81673#(and (<= proc_a 126) (<= 126 proc_a)), 81672#(and (<= proc_a 124) (<= 124 proc_a)), 81675#(and (<= proc_a 130) (<= 130 proc_a)), 81674#(and (<= 128 proc_a) (<= proc_a 128)), 81677#(and (<= proc_a 134) (<= 134 proc_a)), 81676#(and (<= 132 proc_a) (<= proc_a 132)), 81679#(and (<= proc_a 138) (<= 138 proc_a)), 81678#(and (<= proc_a 136) (<= 136 proc_a)), 81681#(and (<= 142 proc_a) (<= proc_a 142)), 81680#(and (<= proc_a 140) (<= 140 proc_a)), 81683#(and (<= proc_a 146) (<= 146 proc_a)), 81682#(and (<= 144 proc_a) (<= proc_a 144)), 81685#(and (<= proc_a 150) (<= 150 proc_a)), 81684#(and (<= 148 proc_a) (<= proc_a 148)), 81687#(and (<= 154 proc_a) (<= proc_a 154)), 81686#(and (<= proc_a 152) (<= 152 proc_a)), 81689#(and (<= proc_a 158) (<= 158 proc_a)), 81688#(and (<= 156 proc_a) (<= proc_a 156)), 81691#(and (<= proc_a 162) (<= 162 proc_a)), 81690#(and (<= 160 proc_a) (<= proc_a 160)), 81693#(and (<= 166 proc_a) (<= proc_a 166)), 81692#(and (<= 164 proc_a) (<= proc_a 164)), 81695#(and (<= 170 proc_a) (<= proc_a 170)), 81694#(and (<= 168 proc_a) (<= proc_a 168)), 81697#(and (<= proc_a 174) (<= 174 proc_a)), 81696#(and (<= 172 proc_a) (<= proc_a 172)), 81699#(and (<= 178 proc_a) (<= proc_a 178)), 81698#(and (<= 176 proc_a) (<= proc_a 176)), 81701#(and (<= proc_a 182) (<= 182 proc_a)), 81700#(and (<= proc_a 180) (<= 180 proc_a)), 81703#(and (<= 186 proc_a) (<= proc_a 186)), 81702#(and (<= 184 proc_a) (<= proc_a 184)), 81705#(and (<= 190 proc_a) (<= proc_a 190)), 81704#(and (<= 188 proc_a) (<= proc_a 188)), 81707#(and (<= 194 proc_a) (<= proc_a 194)), 81706#(and (<= proc_a 192) (<= 192 proc_a)), 81709#(and (<= 198 proc_a) (<= proc_a 198)), 81708#(and (<= proc_a 196) (<= 196 proc_a)), 81711#(and (<= proc_a 202) (<= 202 proc_a)), 81710#(and (<= proc_a 200) (<= 200 proc_a)), 81713#(and (<= 206 proc_a) (<= proc_a 206)), 81712#(and (<= 204 proc_a) (<= proc_a 204)), 81715#(and (<= proc_a 210) (<= 210 proc_a)), 81714#(and (<= 208 proc_a) (<= proc_a 208)), 81717#(and (<= 214 proc_a) (<= proc_a 214)), 81716#(and (<= proc_a 212) (<= 212 proc_a)), 81719#(and (<= proc_a 218) (<= 218 proc_a)), 81718#(and (<= 216 proc_a) (<= proc_a 216)), 81721#(and (<= 222 proc_a) (<= proc_a 222)), 81720#(and (<= proc_a 220) (<= 220 proc_a)), 81723#(and (<= proc_a 226) (<= 226 proc_a)), 81722#(and (<= 224 proc_a) (<= proc_a 224)), 81725#(and (<= proc_a 230) (<= 230 proc_a)), 81724#(and (<= 228 proc_a) (<= proc_a 228)), 81727#(and (<= proc_a 234) (<= 234 proc_a)), 81726#(and (<= 232 proc_a) (<= proc_a 232)), 81729#(and (<= 238 proc_a) (<= proc_a 238)), 81728#(and (<= proc_a 236) (<= 236 proc_a)), 81731#(and (<= proc_a 242) (<= 242 proc_a)), 81730#(and (<= 240 proc_a) (<= proc_a 240)), 81733#(and (<= proc_a 246) (<= 246 proc_a)), 81732#(and (<= proc_a 244) (<= 244 proc_a)), 81735#(and (<= proc_a 250) (<= 250 proc_a)), 81734#(and (<= 248 proc_a) (<= proc_a 248)), 81737#(and (<= 254 proc_a) (<= proc_a 254)), 81736#(and (<= 252 proc_a) (<= proc_a 252)), 81739#(and (<= 258 proc_a) (<= proc_a 258)), 81738#(and (<= proc_a 256) (<= 256 proc_a)), 81741#(and (<= 262 proc_a) (<= proc_a 262)), 81740#(and (<= proc_a 260) (<= 260 proc_a)), 81743#(and (<= 266 proc_a) (<= proc_a 266)), 81742#(and (<= proc_a 264) (<= 264 proc_a)), 81745#(and (<= proc_a 270) (<= 270 proc_a)), 81744#(and (<= proc_a 268) (<= 268 proc_a)), 81747#(and (<= proc_a 274) (<= 274 proc_a)), 81746#(and (<= proc_a 272) (<= 272 proc_a)), 81749#(and (<= proc_a 278) (<= 278 proc_a)), 81748#(and (<= proc_a 276) (<= 276 proc_a)), 81751#(and (<= proc_a 282) (<= 282 proc_a)), 81750#(and (<= proc_a 280) (<= 280 proc_a)), 81753#(and (<= proc_a 286) (<= 286 proc_a)), 81752#(and (<= proc_a 284) (<= 284 proc_a)), 81755#(and (<= proc_a 290) (<= 290 proc_a)), 81754#(and (<= proc_a 288) (<= 288 proc_a)), 81757#(and (<= 294 proc_a) (<= proc_a 294)), 81756#(and (<= proc_a 292) (<= 292 proc_a)), 81759#(and (<= 298 proc_a) (<= proc_a 298)), 81758#(and (<= 296 proc_a) (<= proc_a 296)), 81761#(and (<= proc_a 302) (<= 302 proc_a)), 81760#(and (<= proc_a 300) (<= 300 proc_a)), 81763#(and (<= 306 proc_a) (<= proc_a 306)), 81762#(and (<= proc_a 304) (<= 304 proc_a)), 81765#(and (<= proc_a 310) (<= 310 proc_a)), 81764#(and (<= 308 proc_a) (<= proc_a 308)), 81767#(and (<= proc_a 314) (<= 314 proc_a)), 81766#(and (<= proc_a 312) (<= 312 proc_a)), 81769#(and (<= 318 proc_a) (<= proc_a 318)), 81768#(and (<= 316 proc_a) (<= proc_a 316)), 81771#(and (<= proc_a 322) (<= 322 proc_a)), 81770#(and (<= proc_a 320) (<= 320 proc_a)), 81773#(and (<= proc_a 326) (<= 326 proc_a)), 81772#(and (<= 324 proc_a) (<= proc_a 324)), 81775#(and (<= proc_a 330) (<= 330 proc_a)), 81774#(and (<= proc_a 328) (<= 328 proc_a)), 81777#(and (<= 334 proc_a) (<= proc_a 334)), 81776#(and (<= proc_a 332) (<= 332 proc_a)), 81779#(and (<= proc_a 338) (<= 338 proc_a)), 81778#(and (<= 336 proc_a) (<= proc_a 336)), 81781#(and (<= 342 proc_a) (<= proc_a 342)), 81780#(and (<= proc_a 340) (<= 340 proc_a)), 81783#(and (<= proc_a 346) (<= 346 proc_a)), 81782#(and (<= 344 proc_a) (<= proc_a 344)), 81785#(and (<= proc_a 350) (<= 350 proc_a)), 81784#(and (<= 348 proc_a) (<= proc_a 348)), 81787#(and (<= proc_a 354) (<= 354 proc_a)), 81786#(and (<= 352 proc_a) (<= proc_a 352)), 81609#false, 81608#true, 81611#(and (<= 2 proc_a) (<= proc_a 2)), 81610#(and (<= proc_a 0) (<= 0 proc_a)), 81613#(and (<= 6 proc_a) (<= proc_a 6)), 81612#(and (<= 4 proc_a) (<= proc_a 4)), 81615#(and (<= 10 proc_a) (<= proc_a 10)), 81614#(and (<= proc_a 8) (<= 8 proc_a)), 81617#(and (<= 14 proc_a) (<= proc_a 14)), 81616#(and (<= proc_a 12) (<= 12 proc_a)), 81619#(and (<= 18 proc_a) (<= proc_a 18)), 81618#(and (<= proc_a 16) (<= 16 proc_a)), 81621#(and (<= 22 proc_a) (<= proc_a 22)), 81620#(and (<= 20 proc_a) (<= proc_a 20)), 81623#(and (<= 26 proc_a) (<= proc_a 26)), 81622#(and (<= 24 proc_a) (<= proc_a 24)), 81625#(and (<= proc_a 30) (<= 30 proc_a)), 81624#(and (<= proc_a 28) (<= 28 proc_a)), 81627#(and (<= 34 proc_a) (<= proc_a 34)), 81626#(and (<= 32 proc_a) (<= proc_a 32)), 81629#(and (<= 38 proc_a) (<= proc_a 38)), 81628#(and (<= 36 proc_a) (<= proc_a 36)), 81631#(and (<= proc_a 42) (<= 42 proc_a)), 81630#(and (<= 40 proc_a) (<= proc_a 40)), 81633#(and (<= proc_a 46) (<= 46 proc_a)), 81632#(and (<= proc_a 44) (<= 44 proc_a)), 81635#(and (<= 50 proc_a) (<= proc_a 50)), 81634#(and (<= 48 proc_a) (<= proc_a 48)), 81637#(and (<= 54 proc_a) (<= proc_a 54)), 81636#(and (<= 52 proc_a) (<= proc_a 52)), 81639#(and (<= proc_a 58) (<= 58 proc_a)), 81638#(and (<= proc_a 56) (<= 56 proc_a)), 81641#(and (<= 62 proc_a) (<= proc_a 62)), 81640#(and (<= 60 proc_a) (<= proc_a 60)), 81643#(and (<= 66 proc_a) (<= proc_a 66)), 81642#(and (<= 64 proc_a) (<= proc_a 64)), 81645#(and (<= proc_a 70) (<= 70 proc_a)), 81644#(and (<= 68 proc_a) (<= proc_a 68)), 81647#(and (<= proc_a 74) (<= 74 proc_a)), 81646#(and (<= 72 proc_a) (<= proc_a 72)), 81649#(and (<= 78 proc_a) (<= proc_a 78)), 81648#(and (<= proc_a 76) (<= 76 proc_a)), 81651#(and (<= 82 proc_a) (<= proc_a 82)), 81650#(and (<= proc_a 80) (<= 80 proc_a)), 81653#(and (<= 86 proc_a) (<= proc_a 86)), 81652#(and (<= proc_a 84) (<= 84 proc_a)), 81655#(and (<= proc_a 90) (<= 90 proc_a)), 81654#(and (<= 88 proc_a) (<= proc_a 88)), 81657#(and (<= proc_a 94) (<= 94 proc_a)), 81656#(and (<= 92 proc_a) (<= proc_a 92)), 81659#(and (<= 98 proc_a) (<= proc_a 98)), 81658#(and (<= proc_a 96) (<= 96 proc_a)), 81661#(and (<= 102 proc_a) (<= proc_a 102)), 81660#(and (<= proc_a 100) (<= 100 proc_a)), 81663#(and (<= 106 proc_a) (<= proc_a 106)), 81662#(and (<= proc_a 104) (<= 104 proc_a))] [2018-07-23 13:53:51,596 INFO L134 CoverageAnalysis]: Checked inductivity of 15753 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:51,596 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:53:51,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:53:51,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=31863, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:53:51,597 INFO L87 Difference]: Start difference. First operand 180 states and 180 transitions. Second operand 180 states. [2018-07-23 13:53:53,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:53,226 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-07-23 13:53:53,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:53:53,226 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 179 [2018-07-23 13:53:53,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:53,227 INFO L225 Difference]: With dead ends: 182 [2018-07-23 13:53:53,227 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:53:53,228 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=357, Invalid=31863, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:53:53,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:53:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:53:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:53:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:53:53,233 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 179 [2018-07-23 13:53:53,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:53,233 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:53:53,233 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:53:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:53:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:53:53,234 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:53,234 INFO L357 BasicCegarLoop]: trace histogram [178, 1, 1] [2018-07-23 13:53:53,234 INFO L414 AbstractCegarLoop]: === Iteration 179 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:53,234 INFO L82 PathProgramCache]: Analyzing trace with hash 480806151, now seen corresponding path program 178 times [2018-07-23 13:53:53,234 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 15931 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:54,560 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:54,560 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:53:54,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:54,561 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 13:53:54,561 INFO L185 omatonBuilderFactory]: Interpolants [82689#(and (<= proc_a 346) (<= 346 proc_a)), 82688#(and (<= 344 proc_a) (<= proc_a 344)), 82691#(and (<= proc_a 350) (<= 350 proc_a)), 82690#(and (<= 348 proc_a) (<= proc_a 348)), 82693#(and (<= proc_a 354) (<= 354 proc_a)), 82692#(and (<= 352 proc_a) (<= proc_a 352)), 82694#(and (<= proc_a 356) (<= 356 proc_a)), 82515#false, 82514#true, 82517#(and (<= 2 proc_a) (<= proc_a 2)), 82516#(and (<= proc_a 0) (<= 0 proc_a)), 82519#(and (<= 6 proc_a) (<= proc_a 6)), 82518#(and (<= 4 proc_a) (<= proc_a 4)), 82521#(and (<= 10 proc_a) (<= proc_a 10)), 82520#(and (<= proc_a 8) (<= 8 proc_a)), 82523#(and (<= 14 proc_a) (<= proc_a 14)), 82522#(and (<= proc_a 12) (<= 12 proc_a)), 82525#(and (<= 18 proc_a) (<= proc_a 18)), 82524#(and (<= proc_a 16) (<= 16 proc_a)), 82527#(and (<= 22 proc_a) (<= proc_a 22)), 82526#(and (<= 20 proc_a) (<= proc_a 20)), 82529#(and (<= 26 proc_a) (<= proc_a 26)), 82528#(and (<= 24 proc_a) (<= proc_a 24)), 82531#(and (<= proc_a 30) (<= 30 proc_a)), 82530#(and (<= proc_a 28) (<= 28 proc_a)), 82533#(and (<= 34 proc_a) (<= proc_a 34)), 82532#(and (<= 32 proc_a) (<= proc_a 32)), 82535#(and (<= 38 proc_a) (<= proc_a 38)), 82534#(and (<= 36 proc_a) (<= proc_a 36)), 82537#(and (<= proc_a 42) (<= 42 proc_a)), 82536#(and (<= 40 proc_a) (<= proc_a 40)), 82539#(and (<= proc_a 46) (<= 46 proc_a)), 82538#(and (<= proc_a 44) (<= 44 proc_a)), 82541#(and (<= 50 proc_a) (<= proc_a 50)), 82540#(and (<= 48 proc_a) (<= proc_a 48)), 82543#(and (<= 54 proc_a) (<= proc_a 54)), 82542#(and (<= 52 proc_a) (<= proc_a 52)), 82545#(and (<= proc_a 58) (<= 58 proc_a)), 82544#(and (<= proc_a 56) (<= 56 proc_a)), 82547#(and (<= 62 proc_a) (<= proc_a 62)), 82546#(and (<= 60 proc_a) (<= proc_a 60)), 82549#(and (<= 66 proc_a) (<= proc_a 66)), 82548#(and (<= 64 proc_a) (<= proc_a 64)), 82551#(and (<= proc_a 70) (<= 70 proc_a)), 82550#(and (<= 68 proc_a) (<= proc_a 68)), 82553#(and (<= proc_a 74) (<= 74 proc_a)), 82552#(and (<= 72 proc_a) (<= proc_a 72)), 82555#(and (<= 78 proc_a) (<= proc_a 78)), 82554#(and (<= proc_a 76) (<= 76 proc_a)), 82557#(and (<= 82 proc_a) (<= proc_a 82)), 82556#(and (<= proc_a 80) (<= 80 proc_a)), 82559#(and (<= 86 proc_a) (<= proc_a 86)), 82558#(and (<= proc_a 84) (<= 84 proc_a)), 82561#(and (<= proc_a 90) (<= 90 proc_a)), 82560#(and (<= 88 proc_a) (<= proc_a 88)), 82563#(and (<= proc_a 94) (<= 94 proc_a)), 82562#(and (<= 92 proc_a) (<= proc_a 92)), 82565#(and (<= 98 proc_a) (<= proc_a 98)), 82564#(and (<= proc_a 96) (<= 96 proc_a)), 82567#(and (<= 102 proc_a) (<= proc_a 102)), 82566#(and (<= proc_a 100) (<= 100 proc_a)), 82569#(and (<= 106 proc_a) (<= proc_a 106)), 82568#(and (<= proc_a 104) (<= 104 proc_a)), 82571#(and (<= proc_a 110) (<= 110 proc_a)), 82570#(and (<= proc_a 108) (<= 108 proc_a)), 82573#(and (<= 114 proc_a) (<= proc_a 114)), 82572#(and (<= proc_a 112) (<= 112 proc_a)), 82575#(and (<= proc_a 118) (<= 118 proc_a)), 82574#(and (<= 116 proc_a) (<= proc_a 116)), 82577#(and (<= proc_a 122) (<= 122 proc_a)), 82576#(and (<= 120 proc_a) (<= proc_a 120)), 82579#(and (<= proc_a 126) (<= 126 proc_a)), 82578#(and (<= proc_a 124) (<= 124 proc_a)), 82581#(and (<= proc_a 130) (<= 130 proc_a)), 82580#(and (<= 128 proc_a) (<= proc_a 128)), 82583#(and (<= proc_a 134) (<= 134 proc_a)), 82582#(and (<= 132 proc_a) (<= proc_a 132)), 82585#(and (<= proc_a 138) (<= 138 proc_a)), 82584#(and (<= proc_a 136) (<= 136 proc_a)), 82587#(and (<= 142 proc_a) (<= proc_a 142)), 82586#(and (<= proc_a 140) (<= 140 proc_a)), 82589#(and (<= proc_a 146) (<= 146 proc_a)), 82588#(and (<= 144 proc_a) (<= proc_a 144)), 82591#(and (<= proc_a 150) (<= 150 proc_a)), 82590#(and (<= 148 proc_a) (<= proc_a 148)), 82593#(and (<= 154 proc_a) (<= proc_a 154)), 82592#(and (<= proc_a 152) (<= 152 proc_a)), 82595#(and (<= proc_a 158) (<= 158 proc_a)), 82594#(and (<= 156 proc_a) (<= proc_a 156)), 82597#(and (<= proc_a 162) (<= 162 proc_a)), 82596#(and (<= 160 proc_a) (<= proc_a 160)), 82599#(and (<= 166 proc_a) (<= proc_a 166)), 82598#(and (<= 164 proc_a) (<= proc_a 164)), 82601#(and (<= 170 proc_a) (<= proc_a 170)), 82600#(and (<= 168 proc_a) (<= proc_a 168)), 82603#(and (<= proc_a 174) (<= 174 proc_a)), 82602#(and (<= 172 proc_a) (<= proc_a 172)), 82605#(and (<= 178 proc_a) (<= proc_a 178)), 82604#(and (<= 176 proc_a) (<= proc_a 176)), 82607#(and (<= proc_a 182) (<= 182 proc_a)), 82606#(and (<= proc_a 180) (<= 180 proc_a)), 82609#(and (<= 186 proc_a) (<= proc_a 186)), 82608#(and (<= 184 proc_a) (<= proc_a 184)), 82611#(and (<= 190 proc_a) (<= proc_a 190)), 82610#(and (<= 188 proc_a) (<= proc_a 188)), 82613#(and (<= 194 proc_a) (<= proc_a 194)), 82612#(and (<= proc_a 192) (<= 192 proc_a)), 82615#(and (<= 198 proc_a) (<= proc_a 198)), 82614#(and (<= proc_a 196) (<= 196 proc_a)), 82617#(and (<= proc_a 202) (<= 202 proc_a)), 82616#(and (<= proc_a 200) (<= 200 proc_a)), 82619#(and (<= 206 proc_a) (<= proc_a 206)), 82618#(and (<= 204 proc_a) (<= proc_a 204)), 82621#(and (<= proc_a 210) (<= 210 proc_a)), 82620#(and (<= 208 proc_a) (<= proc_a 208)), 82623#(and (<= 214 proc_a) (<= proc_a 214)), 82622#(and (<= proc_a 212) (<= 212 proc_a)), 82625#(and (<= proc_a 218) (<= 218 proc_a)), 82624#(and (<= 216 proc_a) (<= proc_a 216)), 82627#(and (<= 222 proc_a) (<= proc_a 222)), 82626#(and (<= proc_a 220) (<= 220 proc_a)), 82629#(and (<= proc_a 226) (<= 226 proc_a)), 82628#(and (<= 224 proc_a) (<= proc_a 224)), 82631#(and (<= proc_a 230) (<= 230 proc_a)), 82630#(and (<= 228 proc_a) (<= proc_a 228)), 82633#(and (<= proc_a 234) (<= 234 proc_a)), 82632#(and (<= 232 proc_a) (<= proc_a 232)), 82635#(and (<= 238 proc_a) (<= proc_a 238)), 82634#(and (<= proc_a 236) (<= 236 proc_a)), 82637#(and (<= proc_a 242) (<= 242 proc_a)), 82636#(and (<= 240 proc_a) (<= proc_a 240)), 82639#(and (<= proc_a 246) (<= 246 proc_a)), 82638#(and (<= proc_a 244) (<= 244 proc_a)), 82641#(and (<= proc_a 250) (<= 250 proc_a)), 82640#(and (<= 248 proc_a) (<= proc_a 248)), 82643#(and (<= 254 proc_a) (<= proc_a 254)), 82642#(and (<= 252 proc_a) (<= proc_a 252)), 82645#(and (<= 258 proc_a) (<= proc_a 258)), 82644#(and (<= proc_a 256) (<= 256 proc_a)), 82647#(and (<= 262 proc_a) (<= proc_a 262)), 82646#(and (<= proc_a 260) (<= 260 proc_a)), 82649#(and (<= 266 proc_a) (<= proc_a 266)), 82648#(and (<= proc_a 264) (<= 264 proc_a)), 82651#(and (<= proc_a 270) (<= 270 proc_a)), 82650#(and (<= proc_a 268) (<= 268 proc_a)), 82653#(and (<= proc_a 274) (<= 274 proc_a)), 82652#(and (<= proc_a 272) (<= 272 proc_a)), 82655#(and (<= proc_a 278) (<= 278 proc_a)), 82654#(and (<= proc_a 276) (<= 276 proc_a)), 82657#(and (<= proc_a 282) (<= 282 proc_a)), 82656#(and (<= proc_a 280) (<= 280 proc_a)), 82659#(and (<= proc_a 286) (<= 286 proc_a)), 82658#(and (<= proc_a 284) (<= 284 proc_a)), 82661#(and (<= proc_a 290) (<= 290 proc_a)), 82660#(and (<= proc_a 288) (<= 288 proc_a)), 82663#(and (<= 294 proc_a) (<= proc_a 294)), 82662#(and (<= proc_a 292) (<= 292 proc_a)), 82665#(and (<= 298 proc_a) (<= proc_a 298)), 82664#(and (<= 296 proc_a) (<= proc_a 296)), 82667#(and (<= proc_a 302) (<= 302 proc_a)), 82666#(and (<= proc_a 300) (<= 300 proc_a)), 82669#(and (<= 306 proc_a) (<= proc_a 306)), 82668#(and (<= proc_a 304) (<= 304 proc_a)), 82671#(and (<= proc_a 310) (<= 310 proc_a)), 82670#(and (<= 308 proc_a) (<= proc_a 308)), 82673#(and (<= proc_a 314) (<= 314 proc_a)), 82672#(and (<= proc_a 312) (<= 312 proc_a)), 82675#(and (<= 318 proc_a) (<= proc_a 318)), 82674#(and (<= 316 proc_a) (<= proc_a 316)), 82677#(and (<= proc_a 322) (<= 322 proc_a)), 82676#(and (<= proc_a 320) (<= 320 proc_a)), 82679#(and (<= proc_a 326) (<= 326 proc_a)), 82678#(and (<= 324 proc_a) (<= proc_a 324)), 82681#(and (<= proc_a 330) (<= 330 proc_a)), 82680#(and (<= proc_a 328) (<= 328 proc_a)), 82683#(and (<= 334 proc_a) (<= proc_a 334)), 82682#(and (<= proc_a 332) (<= 332 proc_a)), 82685#(and (<= proc_a 338) (<= 338 proc_a)), 82684#(and (<= 336 proc_a) (<= proc_a 336)), 82687#(and (<= 342 proc_a) (<= proc_a 342)), 82686#(and (<= proc_a 340) (<= 340 proc_a))] [2018-07-23 13:53:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 15931 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:54,562 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:53:54,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:53:54,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=32221, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:53:54,564 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 181 states. [2018-07-23 13:53:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:56,162 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:53:56,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:53:56,163 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 180 [2018-07-23 13:53:56,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:56,163 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:53:56,163 INFO L226 Difference]: Without dead ends: 182 [2018-07-23 13:53:56,164 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=359, Invalid=32221, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:53:56,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-07-23 13:53:56,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-07-23 13:53:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-07-23 13:53:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-07-23 13:53:56,169 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 182 transitions. Word has length 180 [2018-07-23 13:53:56,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:56,169 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 182 transitions. [2018-07-23 13:53:56,169 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:53:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-07-23 13:53:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-07-23 13:53:56,169 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:56,169 INFO L357 BasicCegarLoop]: trace histogram [179, 1, 1] [2018-07-23 13:53:56,170 INFO L414 AbstractCegarLoop]: === Iteration 180 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:56,170 INFO L82 PathProgramCache]: Analyzing trace with hash 2020088737, now seen corresponding path program 179 times [2018-07-23 13:53:56,170 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 16110 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:57,476 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:57,476 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:53:57,476 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:57,477 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 13:53:57,477 INFO L185 omatonBuilderFactory]: Interpolants [83457#(and (<= 60 proc_a) (<= proc_a 60)), 83456#(and (<= proc_a 58) (<= 58 proc_a)), 83459#(and (<= 64 proc_a) (<= proc_a 64)), 83458#(and (<= 62 proc_a) (<= proc_a 62)), 83461#(and (<= 68 proc_a) (<= proc_a 68)), 83460#(and (<= 66 proc_a) (<= proc_a 66)), 83463#(and (<= 72 proc_a) (<= proc_a 72)), 83462#(and (<= proc_a 70) (<= 70 proc_a)), 83465#(and (<= proc_a 76) (<= 76 proc_a)), 83464#(and (<= proc_a 74) (<= 74 proc_a)), 83467#(and (<= proc_a 80) (<= 80 proc_a)), 83466#(and (<= 78 proc_a) (<= proc_a 78)), 83469#(and (<= proc_a 84) (<= 84 proc_a)), 83468#(and (<= 82 proc_a) (<= proc_a 82)), 83471#(and (<= 88 proc_a) (<= proc_a 88)), 83470#(and (<= 86 proc_a) (<= proc_a 86)), 83473#(and (<= 92 proc_a) (<= proc_a 92)), 83472#(and (<= proc_a 90) (<= 90 proc_a)), 83475#(and (<= proc_a 96) (<= 96 proc_a)), 83474#(and (<= proc_a 94) (<= 94 proc_a)), 83477#(and (<= proc_a 100) (<= 100 proc_a)), 83476#(and (<= 98 proc_a) (<= proc_a 98)), 83479#(and (<= proc_a 104) (<= 104 proc_a)), 83478#(and (<= 102 proc_a) (<= proc_a 102)), 83481#(and (<= proc_a 108) (<= 108 proc_a)), 83480#(and (<= 106 proc_a) (<= proc_a 106)), 83483#(and (<= proc_a 112) (<= 112 proc_a)), 83482#(and (<= proc_a 110) (<= 110 proc_a)), 83485#(and (<= 116 proc_a) (<= proc_a 116)), 83484#(and (<= 114 proc_a) (<= proc_a 114)), 83487#(and (<= 120 proc_a) (<= proc_a 120)), 83486#(and (<= proc_a 118) (<= 118 proc_a)), 83489#(and (<= proc_a 124) (<= 124 proc_a)), 83488#(and (<= proc_a 122) (<= 122 proc_a)), 83491#(and (<= 128 proc_a) (<= proc_a 128)), 83490#(and (<= proc_a 126) (<= 126 proc_a)), 83493#(and (<= 132 proc_a) (<= proc_a 132)), 83492#(and (<= proc_a 130) (<= 130 proc_a)), 83495#(and (<= proc_a 136) (<= 136 proc_a)), 83494#(and (<= proc_a 134) (<= 134 proc_a)), 83497#(and (<= proc_a 140) (<= 140 proc_a)), 83496#(and (<= proc_a 138) (<= 138 proc_a)), 83499#(and (<= 144 proc_a) (<= proc_a 144)), 83498#(and (<= 142 proc_a) (<= proc_a 142)), 83501#(and (<= 148 proc_a) (<= proc_a 148)), 83500#(and (<= proc_a 146) (<= 146 proc_a)), 83503#(and (<= proc_a 152) (<= 152 proc_a)), 83502#(and (<= proc_a 150) (<= 150 proc_a)), 83505#(and (<= 156 proc_a) (<= proc_a 156)), 83504#(and (<= 154 proc_a) (<= proc_a 154)), 83507#(and (<= 160 proc_a) (<= proc_a 160)), 83506#(and (<= proc_a 158) (<= 158 proc_a)), 83509#(and (<= 164 proc_a) (<= proc_a 164)), 83508#(and (<= proc_a 162) (<= 162 proc_a)), 83511#(and (<= 168 proc_a) (<= proc_a 168)), 83510#(and (<= 166 proc_a) (<= proc_a 166)), 83513#(and (<= 172 proc_a) (<= proc_a 172)), 83512#(and (<= 170 proc_a) (<= proc_a 170)), 83515#(and (<= 176 proc_a) (<= proc_a 176)), 83514#(and (<= proc_a 174) (<= 174 proc_a)), 83517#(and (<= proc_a 180) (<= 180 proc_a)), 83516#(and (<= 178 proc_a) (<= proc_a 178)), 83519#(and (<= 184 proc_a) (<= proc_a 184)), 83518#(and (<= proc_a 182) (<= 182 proc_a)), 83521#(and (<= 188 proc_a) (<= proc_a 188)), 83520#(and (<= 186 proc_a) (<= proc_a 186)), 83523#(and (<= proc_a 192) (<= 192 proc_a)), 83522#(and (<= 190 proc_a) (<= proc_a 190)), 83525#(and (<= proc_a 196) (<= 196 proc_a)), 83524#(and (<= 194 proc_a) (<= proc_a 194)), 83527#(and (<= proc_a 200) (<= 200 proc_a)), 83526#(and (<= 198 proc_a) (<= proc_a 198)), 83529#(and (<= 204 proc_a) (<= proc_a 204)), 83528#(and (<= proc_a 202) (<= 202 proc_a)), 83531#(and (<= 208 proc_a) (<= proc_a 208)), 83530#(and (<= 206 proc_a) (<= proc_a 206)), 83533#(and (<= proc_a 212) (<= 212 proc_a)), 83532#(and (<= proc_a 210) (<= 210 proc_a)), 83535#(and (<= 216 proc_a) (<= proc_a 216)), 83534#(and (<= 214 proc_a) (<= proc_a 214)), 83537#(and (<= proc_a 220) (<= 220 proc_a)), 83536#(and (<= proc_a 218) (<= 218 proc_a)), 83539#(and (<= 224 proc_a) (<= proc_a 224)), 83538#(and (<= 222 proc_a) (<= proc_a 222)), 83541#(and (<= 228 proc_a) (<= proc_a 228)), 83540#(and (<= proc_a 226) (<= 226 proc_a)), 83543#(and (<= 232 proc_a) (<= proc_a 232)), 83542#(and (<= proc_a 230) (<= 230 proc_a)), 83545#(and (<= proc_a 236) (<= 236 proc_a)), 83544#(and (<= proc_a 234) (<= 234 proc_a)), 83547#(and (<= 240 proc_a) (<= proc_a 240)), 83546#(and (<= 238 proc_a) (<= proc_a 238)), 83549#(and (<= proc_a 244) (<= 244 proc_a)), 83548#(and (<= proc_a 242) (<= 242 proc_a)), 83551#(and (<= 248 proc_a) (<= proc_a 248)), 83550#(and (<= proc_a 246) (<= 246 proc_a)), 83553#(and (<= 252 proc_a) (<= proc_a 252)), 83552#(and (<= proc_a 250) (<= 250 proc_a)), 83555#(and (<= proc_a 256) (<= 256 proc_a)), 83554#(and (<= 254 proc_a) (<= proc_a 254)), 83557#(and (<= proc_a 260) (<= 260 proc_a)), 83556#(and (<= 258 proc_a) (<= proc_a 258)), 83559#(and (<= proc_a 264) (<= 264 proc_a)), 83558#(and (<= 262 proc_a) (<= proc_a 262)), 83561#(and (<= proc_a 268) (<= 268 proc_a)), 83560#(and (<= 266 proc_a) (<= proc_a 266)), 83563#(and (<= proc_a 272) (<= 272 proc_a)), 83562#(and (<= proc_a 270) (<= 270 proc_a)), 83565#(and (<= proc_a 276) (<= 276 proc_a)), 83564#(and (<= proc_a 274) (<= 274 proc_a)), 83567#(and (<= proc_a 280) (<= 280 proc_a)), 83566#(and (<= proc_a 278) (<= 278 proc_a)), 83569#(and (<= proc_a 284) (<= 284 proc_a)), 83568#(and (<= proc_a 282) (<= 282 proc_a)), 83571#(and (<= proc_a 288) (<= 288 proc_a)), 83570#(and (<= proc_a 286) (<= 286 proc_a)), 83573#(and (<= proc_a 292) (<= 292 proc_a)), 83572#(and (<= proc_a 290) (<= 290 proc_a)), 83575#(and (<= 296 proc_a) (<= proc_a 296)), 83574#(and (<= 294 proc_a) (<= proc_a 294)), 83577#(and (<= proc_a 300) (<= 300 proc_a)), 83576#(and (<= 298 proc_a) (<= proc_a 298)), 83579#(and (<= proc_a 304) (<= 304 proc_a)), 83578#(and (<= proc_a 302) (<= 302 proc_a)), 83581#(and (<= 308 proc_a) (<= proc_a 308)), 83580#(and (<= 306 proc_a) (<= proc_a 306)), 83583#(and (<= proc_a 312) (<= 312 proc_a)), 83582#(and (<= proc_a 310) (<= 310 proc_a)), 83585#(and (<= 316 proc_a) (<= proc_a 316)), 83584#(and (<= proc_a 314) (<= 314 proc_a)), 83587#(and (<= proc_a 320) (<= 320 proc_a)), 83586#(and (<= 318 proc_a) (<= proc_a 318)), 83589#(and (<= 324 proc_a) (<= proc_a 324)), 83588#(and (<= proc_a 322) (<= 322 proc_a)), 83591#(and (<= proc_a 328) (<= 328 proc_a)), 83590#(and (<= proc_a 326) (<= 326 proc_a)), 83593#(and (<= proc_a 332) (<= 332 proc_a)), 83592#(and (<= proc_a 330) (<= 330 proc_a)), 83595#(and (<= 336 proc_a) (<= proc_a 336)), 83594#(and (<= 334 proc_a) (<= proc_a 334)), 83597#(and (<= proc_a 340) (<= 340 proc_a)), 83596#(and (<= proc_a 338) (<= 338 proc_a)), 83599#(and (<= 344 proc_a) (<= proc_a 344)), 83598#(and (<= 342 proc_a) (<= proc_a 342)), 83601#(and (<= 348 proc_a) (<= proc_a 348)), 83600#(and (<= proc_a 346) (<= 346 proc_a)), 83603#(and (<= 352 proc_a) (<= proc_a 352)), 83602#(and (<= proc_a 350) (<= 350 proc_a)), 83605#(and (<= proc_a 356) (<= 356 proc_a)), 83604#(and (<= proc_a 354) (<= 354 proc_a)), 83606#(and (<= 358 proc_a) (<= proc_a 358)), 83425#true, 83427#(and (<= proc_a 0) (<= 0 proc_a)), 83426#false, 83429#(and (<= 4 proc_a) (<= proc_a 4)), 83428#(and (<= 2 proc_a) (<= proc_a 2)), 83431#(and (<= proc_a 8) (<= 8 proc_a)), 83430#(and (<= 6 proc_a) (<= proc_a 6)), 83433#(and (<= proc_a 12) (<= 12 proc_a)), 83432#(and (<= 10 proc_a) (<= proc_a 10)), 83435#(and (<= proc_a 16) (<= 16 proc_a)), 83434#(and (<= 14 proc_a) (<= proc_a 14)), 83437#(and (<= 20 proc_a) (<= proc_a 20)), 83436#(and (<= 18 proc_a) (<= proc_a 18)), 83439#(and (<= 24 proc_a) (<= proc_a 24)), 83438#(and (<= 22 proc_a) (<= proc_a 22)), 83441#(and (<= proc_a 28) (<= 28 proc_a)), 83440#(and (<= 26 proc_a) (<= proc_a 26)), 83443#(and (<= 32 proc_a) (<= proc_a 32)), 83442#(and (<= proc_a 30) (<= 30 proc_a)), 83445#(and (<= 36 proc_a) (<= proc_a 36)), 83444#(and (<= 34 proc_a) (<= proc_a 34)), 83447#(and (<= 40 proc_a) (<= proc_a 40)), 83446#(and (<= 38 proc_a) (<= proc_a 38)), 83449#(and (<= proc_a 44) (<= 44 proc_a)), 83448#(and (<= proc_a 42) (<= 42 proc_a)), 83451#(and (<= 48 proc_a) (<= proc_a 48)), 83450#(and (<= proc_a 46) (<= 46 proc_a)), 83453#(and (<= 52 proc_a) (<= proc_a 52)), 83452#(and (<= 50 proc_a) (<= proc_a 50)), 83455#(and (<= proc_a 56) (<= 56 proc_a)), 83454#(and (<= 54 proc_a) (<= proc_a 54))] [2018-07-23 13:53:57,478 INFO L134 CoverageAnalysis]: Checked inductivity of 16110 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:57,478 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:53:57,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:53:57,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=32581, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:53:57,481 INFO L87 Difference]: Start difference. First operand 182 states and 182 transitions. Second operand 182 states. [2018-07-23 13:53:59,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:59,195 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-07-23 13:53:59,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:53:59,195 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 181 [2018-07-23 13:53:59,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:59,196 INFO L225 Difference]: With dead ends: 184 [2018-07-23 13:53:59,196 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:53:59,197 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=361, Invalid=32581, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:53:59,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:53:59,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:53:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:53:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:53:59,202 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 181 [2018-07-23 13:53:59,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:59,202 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:53:59,202 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:53:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:53:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:53:59,203 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:59,203 INFO L357 BasicCegarLoop]: trace histogram [180, 1, 1] [2018-07-23 13:53:59,203 INFO L414 AbstractCegarLoop]: === Iteration 181 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:53:59,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1801758649, now seen corresponding path program 180 times [2018-07-23 13:53:59,203 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:00,527 INFO L134 CoverageAnalysis]: Checked inductivity of 16290 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:00,527 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:00,527 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:54:00,528 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:00,528 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 13:54:00,528 INFO L185 omatonBuilderFactory]: Interpolants [84481#(and (<= proc_a 276) (<= 276 proc_a)), 84480#(and (<= proc_a 274) (<= 274 proc_a)), 84483#(and (<= proc_a 280) (<= 280 proc_a)), 84482#(and (<= proc_a 278) (<= 278 proc_a)), 84485#(and (<= proc_a 284) (<= 284 proc_a)), 84484#(and (<= proc_a 282) (<= 282 proc_a)), 84487#(and (<= proc_a 288) (<= 288 proc_a)), 84486#(and (<= proc_a 286) (<= 286 proc_a)), 84489#(and (<= proc_a 292) (<= 292 proc_a)), 84488#(and (<= proc_a 290) (<= 290 proc_a)), 84491#(and (<= 296 proc_a) (<= proc_a 296)), 84490#(and (<= 294 proc_a) (<= proc_a 294)), 84493#(and (<= proc_a 300) (<= 300 proc_a)), 84492#(and (<= 298 proc_a) (<= proc_a 298)), 84495#(and (<= proc_a 304) (<= 304 proc_a)), 84494#(and (<= proc_a 302) (<= 302 proc_a)), 84497#(and (<= 308 proc_a) (<= proc_a 308)), 84496#(and (<= 306 proc_a) (<= proc_a 306)), 84499#(and (<= proc_a 312) (<= 312 proc_a)), 84498#(and (<= proc_a 310) (<= 310 proc_a)), 84501#(and (<= 316 proc_a) (<= proc_a 316)), 84500#(and (<= proc_a 314) (<= 314 proc_a)), 84503#(and (<= proc_a 320) (<= 320 proc_a)), 84502#(and (<= 318 proc_a) (<= proc_a 318)), 84505#(and (<= 324 proc_a) (<= proc_a 324)), 84504#(and (<= proc_a 322) (<= 322 proc_a)), 84507#(and (<= proc_a 328) (<= 328 proc_a)), 84506#(and (<= proc_a 326) (<= 326 proc_a)), 84509#(and (<= proc_a 332) (<= 332 proc_a)), 84508#(and (<= proc_a 330) (<= 330 proc_a)), 84511#(and (<= 336 proc_a) (<= proc_a 336)), 84510#(and (<= 334 proc_a) (<= proc_a 334)), 84513#(and (<= proc_a 340) (<= 340 proc_a)), 84512#(and (<= proc_a 338) (<= 338 proc_a)), 84515#(and (<= 344 proc_a) (<= proc_a 344)), 84514#(and (<= 342 proc_a) (<= proc_a 342)), 84517#(and (<= 348 proc_a) (<= proc_a 348)), 84516#(and (<= proc_a 346) (<= 346 proc_a)), 84519#(and (<= 352 proc_a) (<= proc_a 352)), 84518#(and (<= proc_a 350) (<= 350 proc_a)), 84521#(and (<= proc_a 356) (<= 356 proc_a)), 84520#(and (<= proc_a 354) (<= 354 proc_a)), 84523#(and (<= proc_a 360) (<= 360 proc_a)), 84522#(and (<= 358 proc_a) (<= proc_a 358)), 84341#true, 84343#(and (<= proc_a 0) (<= 0 proc_a)), 84342#false, 84345#(and (<= 4 proc_a) (<= proc_a 4)), 84344#(and (<= 2 proc_a) (<= proc_a 2)), 84347#(and (<= proc_a 8) (<= 8 proc_a)), 84346#(and (<= 6 proc_a) (<= proc_a 6)), 84349#(and (<= proc_a 12) (<= 12 proc_a)), 84348#(and (<= 10 proc_a) (<= proc_a 10)), 84351#(and (<= proc_a 16) (<= 16 proc_a)), 84350#(and (<= 14 proc_a) (<= proc_a 14)), 84353#(and (<= 20 proc_a) (<= proc_a 20)), 84352#(and (<= 18 proc_a) (<= proc_a 18)), 84355#(and (<= 24 proc_a) (<= proc_a 24)), 84354#(and (<= 22 proc_a) (<= proc_a 22)), 84357#(and (<= proc_a 28) (<= 28 proc_a)), 84356#(and (<= 26 proc_a) (<= proc_a 26)), 84359#(and (<= 32 proc_a) (<= proc_a 32)), 84358#(and (<= proc_a 30) (<= 30 proc_a)), 84361#(and (<= 36 proc_a) (<= proc_a 36)), 84360#(and (<= 34 proc_a) (<= proc_a 34)), 84363#(and (<= 40 proc_a) (<= proc_a 40)), 84362#(and (<= 38 proc_a) (<= proc_a 38)), 84365#(and (<= proc_a 44) (<= 44 proc_a)), 84364#(and (<= proc_a 42) (<= 42 proc_a)), 84367#(and (<= 48 proc_a) (<= proc_a 48)), 84366#(and (<= proc_a 46) (<= 46 proc_a)), 84369#(and (<= 52 proc_a) (<= proc_a 52)), 84368#(and (<= 50 proc_a) (<= proc_a 50)), 84371#(and (<= proc_a 56) (<= 56 proc_a)), 84370#(and (<= 54 proc_a) (<= proc_a 54)), 84373#(and (<= 60 proc_a) (<= proc_a 60)), 84372#(and (<= proc_a 58) (<= 58 proc_a)), 84375#(and (<= 64 proc_a) (<= proc_a 64)), 84374#(and (<= 62 proc_a) (<= proc_a 62)), 84377#(and (<= 68 proc_a) (<= proc_a 68)), 84376#(and (<= 66 proc_a) (<= proc_a 66)), 84379#(and (<= 72 proc_a) (<= proc_a 72)), 84378#(and (<= proc_a 70) (<= 70 proc_a)), 84381#(and (<= proc_a 76) (<= 76 proc_a)), 84380#(and (<= proc_a 74) (<= 74 proc_a)), 84383#(and (<= proc_a 80) (<= 80 proc_a)), 84382#(and (<= 78 proc_a) (<= proc_a 78)), 84385#(and (<= proc_a 84) (<= 84 proc_a)), 84384#(and (<= 82 proc_a) (<= proc_a 82)), 84387#(and (<= 88 proc_a) (<= proc_a 88)), 84386#(and (<= 86 proc_a) (<= proc_a 86)), 84389#(and (<= 92 proc_a) (<= proc_a 92)), 84388#(and (<= proc_a 90) (<= 90 proc_a)), 84391#(and (<= proc_a 96) (<= 96 proc_a)), 84390#(and (<= proc_a 94) (<= 94 proc_a)), 84393#(and (<= proc_a 100) (<= 100 proc_a)), 84392#(and (<= 98 proc_a) (<= proc_a 98)), 84395#(and (<= proc_a 104) (<= 104 proc_a)), 84394#(and (<= 102 proc_a) (<= proc_a 102)), 84397#(and (<= proc_a 108) (<= 108 proc_a)), 84396#(and (<= 106 proc_a) (<= proc_a 106)), 84399#(and (<= proc_a 112) (<= 112 proc_a)), 84398#(and (<= proc_a 110) (<= 110 proc_a)), 84401#(and (<= 116 proc_a) (<= proc_a 116)), 84400#(and (<= 114 proc_a) (<= proc_a 114)), 84403#(and (<= 120 proc_a) (<= proc_a 120)), 84402#(and (<= proc_a 118) (<= 118 proc_a)), 84405#(and (<= proc_a 124) (<= 124 proc_a)), 84404#(and (<= proc_a 122) (<= 122 proc_a)), 84407#(and (<= 128 proc_a) (<= proc_a 128)), 84406#(and (<= proc_a 126) (<= 126 proc_a)), 84409#(and (<= 132 proc_a) (<= proc_a 132)), 84408#(and (<= proc_a 130) (<= 130 proc_a)), 84411#(and (<= proc_a 136) (<= 136 proc_a)), 84410#(and (<= proc_a 134) (<= 134 proc_a)), 84413#(and (<= proc_a 140) (<= 140 proc_a)), 84412#(and (<= proc_a 138) (<= 138 proc_a)), 84415#(and (<= 144 proc_a) (<= proc_a 144)), 84414#(and (<= 142 proc_a) (<= proc_a 142)), 84417#(and (<= 148 proc_a) (<= proc_a 148)), 84416#(and (<= proc_a 146) (<= 146 proc_a)), 84419#(and (<= proc_a 152) (<= 152 proc_a)), 84418#(and (<= proc_a 150) (<= 150 proc_a)), 84421#(and (<= 156 proc_a) (<= proc_a 156)), 84420#(and (<= 154 proc_a) (<= proc_a 154)), 84423#(and (<= 160 proc_a) (<= proc_a 160)), 84422#(and (<= proc_a 158) (<= 158 proc_a)), 84425#(and (<= 164 proc_a) (<= proc_a 164)), 84424#(and (<= proc_a 162) (<= 162 proc_a)), 84427#(and (<= 168 proc_a) (<= proc_a 168)), 84426#(and (<= 166 proc_a) (<= proc_a 166)), 84429#(and (<= 172 proc_a) (<= proc_a 172)), 84428#(and (<= 170 proc_a) (<= proc_a 170)), 84431#(and (<= 176 proc_a) (<= proc_a 176)), 84430#(and (<= proc_a 174) (<= 174 proc_a)), 84433#(and (<= proc_a 180) (<= 180 proc_a)), 84432#(and (<= 178 proc_a) (<= proc_a 178)), 84435#(and (<= 184 proc_a) (<= proc_a 184)), 84434#(and (<= proc_a 182) (<= 182 proc_a)), 84437#(and (<= 188 proc_a) (<= proc_a 188)), 84436#(and (<= 186 proc_a) (<= proc_a 186)), 84439#(and (<= proc_a 192) (<= 192 proc_a)), 84438#(and (<= 190 proc_a) (<= proc_a 190)), 84441#(and (<= proc_a 196) (<= 196 proc_a)), 84440#(and (<= 194 proc_a) (<= proc_a 194)), 84443#(and (<= proc_a 200) (<= 200 proc_a)), 84442#(and (<= 198 proc_a) (<= proc_a 198)), 84445#(and (<= 204 proc_a) (<= proc_a 204)), 84444#(and (<= proc_a 202) (<= 202 proc_a)), 84447#(and (<= 208 proc_a) (<= proc_a 208)), 84446#(and (<= 206 proc_a) (<= proc_a 206)), 84449#(and (<= proc_a 212) (<= 212 proc_a)), 84448#(and (<= proc_a 210) (<= 210 proc_a)), 84451#(and (<= 216 proc_a) (<= proc_a 216)), 84450#(and (<= 214 proc_a) (<= proc_a 214)), 84453#(and (<= proc_a 220) (<= 220 proc_a)), 84452#(and (<= proc_a 218) (<= 218 proc_a)), 84455#(and (<= 224 proc_a) (<= proc_a 224)), 84454#(and (<= 222 proc_a) (<= proc_a 222)), 84457#(and (<= 228 proc_a) (<= proc_a 228)), 84456#(and (<= proc_a 226) (<= 226 proc_a)), 84459#(and (<= 232 proc_a) (<= proc_a 232)), 84458#(and (<= proc_a 230) (<= 230 proc_a)), 84461#(and (<= proc_a 236) (<= 236 proc_a)), 84460#(and (<= proc_a 234) (<= 234 proc_a)), 84463#(and (<= 240 proc_a) (<= proc_a 240)), 84462#(and (<= 238 proc_a) (<= proc_a 238)), 84465#(and (<= proc_a 244) (<= 244 proc_a)), 84464#(and (<= proc_a 242) (<= 242 proc_a)), 84467#(and (<= 248 proc_a) (<= proc_a 248)), 84466#(and (<= proc_a 246) (<= 246 proc_a)), 84469#(and (<= 252 proc_a) (<= proc_a 252)), 84468#(and (<= proc_a 250) (<= 250 proc_a)), 84471#(and (<= proc_a 256) (<= 256 proc_a)), 84470#(and (<= 254 proc_a) (<= proc_a 254)), 84473#(and (<= proc_a 260) (<= 260 proc_a)), 84472#(and (<= 258 proc_a) (<= proc_a 258)), 84475#(and (<= proc_a 264) (<= 264 proc_a)), 84474#(and (<= 262 proc_a) (<= proc_a 262)), 84477#(and (<= proc_a 268) (<= 268 proc_a)), 84476#(and (<= 266 proc_a) (<= proc_a 266)), 84479#(and (<= proc_a 272) (<= 272 proc_a)), 84478#(and (<= proc_a 270) (<= 270 proc_a))] [2018-07-23 13:54:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 16290 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:00,529 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:54:00,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:54:00,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=32943, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:54:00,531 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 183 states. [2018-07-23 13:54:02,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:02,229 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:54:02,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:54:02,229 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 182 [2018-07-23 13:54:02,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:02,229 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:54:02,230 INFO L226 Difference]: Without dead ends: 184 [2018-07-23 13:54:02,232 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=363, Invalid=32943, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:54:02,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-07-23 13:54:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-07-23 13:54:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-07-23 13:54:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2018-07-23 13:54:02,237 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 182 [2018-07-23 13:54:02,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:02,237 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2018-07-23 13:54:02,237 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:54:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2018-07-23 13:54:02,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-07-23 13:54:02,238 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:02,238 INFO L357 BasicCegarLoop]: trace histogram [181, 1, 1] [2018-07-23 13:54:02,238 INFO L414 AbstractCegarLoop]: === Iteration 182 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:02,238 INFO L82 PathProgramCache]: Analyzing trace with hash -19943327, now seen corresponding path program 181 times [2018-07-23 13:54:02,238 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 16471 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:03,596 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:03,596 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:54:03,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:03,597 INFO L185 omatonBuilderFactory]: Interpolants [85263#false, 85262#true, 85265#(and (<= 2 proc_a) (<= proc_a 2)), 85264#(and (<= proc_a 0) (<= 0 proc_a)), 85267#(and (<= 6 proc_a) (<= proc_a 6)), 85266#(and (<= 4 proc_a) (<= proc_a 4)), 85269#(and (<= 10 proc_a) (<= proc_a 10)), 85268#(and (<= proc_a 8) (<= 8 proc_a)), 85271#(and (<= 14 proc_a) (<= proc_a 14)), 85270#(and (<= proc_a 12) (<= 12 proc_a)), 85273#(and (<= 18 proc_a) (<= proc_a 18)), 85272#(and (<= proc_a 16) (<= 16 proc_a)), 85275#(and (<= 22 proc_a) (<= proc_a 22)), 85274#(and (<= 20 proc_a) (<= proc_a 20)), 85277#(and (<= 26 proc_a) (<= proc_a 26)), 85276#(and (<= 24 proc_a) (<= proc_a 24)), 85279#(and (<= proc_a 30) (<= 30 proc_a)), 85278#(and (<= proc_a 28) (<= 28 proc_a)), 85281#(and (<= 34 proc_a) (<= proc_a 34)), 85280#(and (<= 32 proc_a) (<= proc_a 32)), 85283#(and (<= 38 proc_a) (<= proc_a 38)), 85282#(and (<= 36 proc_a) (<= proc_a 36)), 85285#(and (<= proc_a 42) (<= 42 proc_a)), 85284#(and (<= 40 proc_a) (<= proc_a 40)), 85287#(and (<= proc_a 46) (<= 46 proc_a)), 85286#(and (<= proc_a 44) (<= 44 proc_a)), 85289#(and (<= 50 proc_a) (<= proc_a 50)), 85288#(and (<= 48 proc_a) (<= proc_a 48)), 85291#(and (<= 54 proc_a) (<= proc_a 54)), 85290#(and (<= 52 proc_a) (<= proc_a 52)), 85293#(and (<= proc_a 58) (<= 58 proc_a)), 85292#(and (<= proc_a 56) (<= 56 proc_a)), 85295#(and (<= 62 proc_a) (<= proc_a 62)), 85294#(and (<= 60 proc_a) (<= proc_a 60)), 85297#(and (<= 66 proc_a) (<= proc_a 66)), 85296#(and (<= 64 proc_a) (<= proc_a 64)), 85299#(and (<= proc_a 70) (<= 70 proc_a)), 85298#(and (<= 68 proc_a) (<= proc_a 68)), 85301#(and (<= proc_a 74) (<= 74 proc_a)), 85300#(and (<= 72 proc_a) (<= proc_a 72)), 85303#(and (<= 78 proc_a) (<= proc_a 78)), 85302#(and (<= proc_a 76) (<= 76 proc_a)), 85305#(and (<= 82 proc_a) (<= proc_a 82)), 85304#(and (<= proc_a 80) (<= 80 proc_a)), 85307#(and (<= 86 proc_a) (<= proc_a 86)), 85306#(and (<= proc_a 84) (<= 84 proc_a)), 85309#(and (<= proc_a 90) (<= 90 proc_a)), 85308#(and (<= 88 proc_a) (<= proc_a 88)), 85311#(and (<= proc_a 94) (<= 94 proc_a)), 85310#(and (<= 92 proc_a) (<= proc_a 92)), 85313#(and (<= 98 proc_a) (<= proc_a 98)), 85312#(and (<= proc_a 96) (<= 96 proc_a)), 85315#(and (<= 102 proc_a) (<= proc_a 102)), 85314#(and (<= proc_a 100) (<= 100 proc_a)), 85317#(and (<= 106 proc_a) (<= proc_a 106)), 85316#(and (<= proc_a 104) (<= 104 proc_a)), 85319#(and (<= proc_a 110) (<= 110 proc_a)), 85318#(and (<= proc_a 108) (<= 108 proc_a)), 85321#(and (<= 114 proc_a) (<= proc_a 114)), 85320#(and (<= proc_a 112) (<= 112 proc_a)), 85323#(and (<= proc_a 118) (<= 118 proc_a)), 85322#(and (<= 116 proc_a) (<= proc_a 116)), 85325#(and (<= proc_a 122) (<= 122 proc_a)), 85324#(and (<= 120 proc_a) (<= proc_a 120)), 85327#(and (<= proc_a 126) (<= 126 proc_a)), 85326#(and (<= proc_a 124) (<= 124 proc_a)), 85329#(and (<= proc_a 130) (<= 130 proc_a)), 85328#(and (<= 128 proc_a) (<= proc_a 128)), 85331#(and (<= proc_a 134) (<= 134 proc_a)), 85330#(and (<= 132 proc_a) (<= proc_a 132)), 85333#(and (<= proc_a 138) (<= 138 proc_a)), 85332#(and (<= proc_a 136) (<= 136 proc_a)), 85335#(and (<= 142 proc_a) (<= proc_a 142)), 85334#(and (<= proc_a 140) (<= 140 proc_a)), 85337#(and (<= proc_a 146) (<= 146 proc_a)), 85336#(and (<= 144 proc_a) (<= proc_a 144)), 85339#(and (<= proc_a 150) (<= 150 proc_a)), 85338#(and (<= 148 proc_a) (<= proc_a 148)), 85341#(and (<= 154 proc_a) (<= proc_a 154)), 85340#(and (<= proc_a 152) (<= 152 proc_a)), 85343#(and (<= proc_a 158) (<= 158 proc_a)), 85342#(and (<= 156 proc_a) (<= proc_a 156)), 85345#(and (<= proc_a 162) (<= 162 proc_a)), 85344#(and (<= 160 proc_a) (<= proc_a 160)), 85347#(and (<= 166 proc_a) (<= proc_a 166)), 85346#(and (<= 164 proc_a) (<= proc_a 164)), 85349#(and (<= 170 proc_a) (<= proc_a 170)), 85348#(and (<= 168 proc_a) (<= proc_a 168)), 85351#(and (<= proc_a 174) (<= 174 proc_a)), 85350#(and (<= 172 proc_a) (<= proc_a 172)), 85353#(and (<= 178 proc_a) (<= proc_a 178)), 85352#(and (<= 176 proc_a) (<= proc_a 176)), 85355#(and (<= proc_a 182) (<= 182 proc_a)), 85354#(and (<= proc_a 180) (<= 180 proc_a)), 85357#(and (<= 186 proc_a) (<= proc_a 186)), 85356#(and (<= 184 proc_a) (<= proc_a 184)), 85359#(and (<= 190 proc_a) (<= proc_a 190)), 85358#(and (<= 188 proc_a) (<= proc_a 188)), 85361#(and (<= 194 proc_a) (<= proc_a 194)), 85360#(and (<= proc_a 192) (<= 192 proc_a)), 85363#(and (<= 198 proc_a) (<= proc_a 198)), 85362#(and (<= proc_a 196) (<= 196 proc_a)), 85365#(and (<= proc_a 202) (<= 202 proc_a)), 85364#(and (<= proc_a 200) (<= 200 proc_a)), 85367#(and (<= 206 proc_a) (<= proc_a 206)), 85366#(and (<= 204 proc_a) (<= proc_a 204)), 85369#(and (<= proc_a 210) (<= 210 proc_a)), 85368#(and (<= 208 proc_a) (<= proc_a 208)), 85371#(and (<= 214 proc_a) (<= proc_a 214)), 85370#(and (<= proc_a 212) (<= 212 proc_a)), 85373#(and (<= proc_a 218) (<= 218 proc_a)), 85372#(and (<= 216 proc_a) (<= proc_a 216)), 85375#(and (<= 222 proc_a) (<= proc_a 222)), 85374#(and (<= proc_a 220) (<= 220 proc_a)), 85377#(and (<= proc_a 226) (<= 226 proc_a)), 85376#(and (<= 224 proc_a) (<= proc_a 224)), 85379#(and (<= proc_a 230) (<= 230 proc_a)), 85378#(and (<= 228 proc_a) (<= proc_a 228)), 85381#(and (<= proc_a 234) (<= 234 proc_a)), 85380#(and (<= 232 proc_a) (<= proc_a 232)), 85383#(and (<= 238 proc_a) (<= proc_a 238)), 85382#(and (<= proc_a 236) (<= 236 proc_a)), 85385#(and (<= proc_a 242) (<= 242 proc_a)), 85384#(and (<= 240 proc_a) (<= proc_a 240)), 85387#(and (<= proc_a 246) (<= 246 proc_a)), 85386#(and (<= proc_a 244) (<= 244 proc_a)), 85389#(and (<= proc_a 250) (<= 250 proc_a)), 85388#(and (<= 248 proc_a) (<= proc_a 248)), 85391#(and (<= 254 proc_a) (<= proc_a 254)), 85390#(and (<= 252 proc_a) (<= proc_a 252)), 85393#(and (<= 258 proc_a) (<= proc_a 258)), 85392#(and (<= proc_a 256) (<= 256 proc_a)), 85395#(and (<= 262 proc_a) (<= proc_a 262)), 85394#(and (<= proc_a 260) (<= 260 proc_a)), 85397#(and (<= 266 proc_a) (<= proc_a 266)), 85396#(and (<= proc_a 264) (<= 264 proc_a)), 85399#(and (<= proc_a 270) (<= 270 proc_a)), 85398#(and (<= proc_a 268) (<= 268 proc_a)), 85401#(and (<= proc_a 274) (<= 274 proc_a)), 85400#(and (<= proc_a 272) (<= 272 proc_a)), 85403#(and (<= proc_a 278) (<= 278 proc_a)), 85402#(and (<= proc_a 276) (<= 276 proc_a)), 85405#(and (<= proc_a 282) (<= 282 proc_a)), 85404#(and (<= proc_a 280) (<= 280 proc_a)), 85407#(and (<= proc_a 286) (<= 286 proc_a)), 85406#(and (<= proc_a 284) (<= 284 proc_a)), 85409#(and (<= proc_a 290) (<= 290 proc_a)), 85408#(and (<= proc_a 288) (<= 288 proc_a)), 85411#(and (<= 294 proc_a) (<= proc_a 294)), 85410#(and (<= proc_a 292) (<= 292 proc_a)), 85413#(and (<= 298 proc_a) (<= proc_a 298)), 85412#(and (<= 296 proc_a) (<= proc_a 296)), 85415#(and (<= proc_a 302) (<= 302 proc_a)), 85414#(and (<= proc_a 300) (<= 300 proc_a)), 85417#(and (<= 306 proc_a) (<= proc_a 306)), 85416#(and (<= proc_a 304) (<= 304 proc_a)), 85419#(and (<= proc_a 310) (<= 310 proc_a)), 85418#(and (<= 308 proc_a) (<= proc_a 308)), 85421#(and (<= proc_a 314) (<= 314 proc_a)), 85420#(and (<= proc_a 312) (<= 312 proc_a)), 85423#(and (<= 318 proc_a) (<= proc_a 318)), 85422#(and (<= 316 proc_a) (<= proc_a 316)), 85425#(and (<= proc_a 322) (<= 322 proc_a)), 85424#(and (<= proc_a 320) (<= 320 proc_a)), 85427#(and (<= proc_a 326) (<= 326 proc_a)), 85426#(and (<= 324 proc_a) (<= proc_a 324)), 85429#(and (<= proc_a 330) (<= 330 proc_a)), 85428#(and (<= proc_a 328) (<= 328 proc_a)), 85431#(and (<= 334 proc_a) (<= proc_a 334)), 85430#(and (<= proc_a 332) (<= 332 proc_a)), 85433#(and (<= proc_a 338) (<= 338 proc_a)), 85432#(and (<= 336 proc_a) (<= proc_a 336)), 85435#(and (<= 342 proc_a) (<= proc_a 342)), 85434#(and (<= proc_a 340) (<= 340 proc_a)), 85437#(and (<= proc_a 346) (<= 346 proc_a)), 85436#(and (<= 344 proc_a) (<= proc_a 344)), 85439#(and (<= proc_a 350) (<= 350 proc_a)), 85438#(and (<= 348 proc_a) (<= proc_a 348)), 85441#(and (<= proc_a 354) (<= 354 proc_a)), 85440#(and (<= 352 proc_a) (<= proc_a 352)), 85443#(and (<= 358 proc_a) (<= proc_a 358)), 85442#(and (<= proc_a 356) (<= 356 proc_a)), 85445#(and (<= proc_a 362) (<= 362 proc_a)), 85444#(and (<= proc_a 360) (<= 360 proc_a))] [2018-07-23 13:54:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 16471 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:03,598 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:54:03,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:54:03,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=33307, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:54:03,599 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 184 states. [2018-07-23 13:54:05,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:05,286 INFO L93 Difference]: Finished difference Result 186 states and 186 transitions. [2018-07-23 13:54:05,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:54:05,286 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 183 [2018-07-23 13:54:05,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:05,287 INFO L225 Difference]: With dead ends: 186 [2018-07-23 13:54:05,287 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:54:05,289 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=365, Invalid=33307, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:54:05,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:54:05,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:54:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:54:05,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:54:05,294 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 183 [2018-07-23 13:54:05,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:05,294 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:54:05,294 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:54:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:54:05,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:54:05,295 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:05,295 INFO L357 BasicCegarLoop]: trace histogram [182, 1, 1] [2018-07-23 13:54:05,295 INFO L414 AbstractCegarLoop]: === Iteration 183 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:05,295 INFO L82 PathProgramCache]: Analyzing trace with hash -618243193, now seen corresponding path program 182 times [2018-07-23 13:54:05,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 16653 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:06,680 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:06,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:54:06,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:06,681 INFO L185 omatonBuilderFactory]: Interpolants [86273#(and (<= 166 proc_a) (<= proc_a 166)), 86272#(and (<= 164 proc_a) (<= proc_a 164)), 86275#(and (<= 170 proc_a) (<= proc_a 170)), 86274#(and (<= 168 proc_a) (<= proc_a 168)), 86277#(and (<= proc_a 174) (<= 174 proc_a)), 86276#(and (<= 172 proc_a) (<= proc_a 172)), 86279#(and (<= 178 proc_a) (<= proc_a 178)), 86278#(and (<= 176 proc_a) (<= proc_a 176)), 86281#(and (<= proc_a 182) (<= 182 proc_a)), 86280#(and (<= proc_a 180) (<= 180 proc_a)), 86283#(and (<= 186 proc_a) (<= proc_a 186)), 86282#(and (<= 184 proc_a) (<= proc_a 184)), 86285#(and (<= 190 proc_a) (<= proc_a 190)), 86284#(and (<= 188 proc_a) (<= proc_a 188)), 86287#(and (<= 194 proc_a) (<= proc_a 194)), 86286#(and (<= proc_a 192) (<= 192 proc_a)), 86289#(and (<= 198 proc_a) (<= proc_a 198)), 86288#(and (<= proc_a 196) (<= 196 proc_a)), 86291#(and (<= proc_a 202) (<= 202 proc_a)), 86290#(and (<= proc_a 200) (<= 200 proc_a)), 86293#(and (<= 206 proc_a) (<= proc_a 206)), 86292#(and (<= 204 proc_a) (<= proc_a 204)), 86295#(and (<= proc_a 210) (<= 210 proc_a)), 86294#(and (<= 208 proc_a) (<= proc_a 208)), 86297#(and (<= 214 proc_a) (<= proc_a 214)), 86296#(and (<= proc_a 212) (<= 212 proc_a)), 86299#(and (<= proc_a 218) (<= 218 proc_a)), 86298#(and (<= 216 proc_a) (<= proc_a 216)), 86301#(and (<= 222 proc_a) (<= proc_a 222)), 86300#(and (<= proc_a 220) (<= 220 proc_a)), 86303#(and (<= proc_a 226) (<= 226 proc_a)), 86302#(and (<= 224 proc_a) (<= proc_a 224)), 86305#(and (<= proc_a 230) (<= 230 proc_a)), 86304#(and (<= 228 proc_a) (<= proc_a 228)), 86307#(and (<= proc_a 234) (<= 234 proc_a)), 86306#(and (<= 232 proc_a) (<= proc_a 232)), 86309#(and (<= 238 proc_a) (<= proc_a 238)), 86308#(and (<= proc_a 236) (<= 236 proc_a)), 86311#(and (<= proc_a 242) (<= 242 proc_a)), 86310#(and (<= 240 proc_a) (<= proc_a 240)), 86313#(and (<= proc_a 246) (<= 246 proc_a)), 86312#(and (<= proc_a 244) (<= 244 proc_a)), 86315#(and (<= proc_a 250) (<= 250 proc_a)), 86314#(and (<= 248 proc_a) (<= proc_a 248)), 86317#(and (<= 254 proc_a) (<= proc_a 254)), 86316#(and (<= 252 proc_a) (<= proc_a 252)), 86319#(and (<= 258 proc_a) (<= proc_a 258)), 86318#(and (<= proc_a 256) (<= 256 proc_a)), 86321#(and (<= 262 proc_a) (<= proc_a 262)), 86320#(and (<= proc_a 260) (<= 260 proc_a)), 86323#(and (<= 266 proc_a) (<= proc_a 266)), 86322#(and (<= proc_a 264) (<= 264 proc_a)), 86325#(and (<= proc_a 270) (<= 270 proc_a)), 86324#(and (<= proc_a 268) (<= 268 proc_a)), 86327#(and (<= proc_a 274) (<= 274 proc_a)), 86326#(and (<= proc_a 272) (<= 272 proc_a)), 86329#(and (<= proc_a 278) (<= 278 proc_a)), 86328#(and (<= proc_a 276) (<= 276 proc_a)), 86331#(and (<= proc_a 282) (<= 282 proc_a)), 86330#(and (<= proc_a 280) (<= 280 proc_a)), 86333#(and (<= proc_a 286) (<= 286 proc_a)), 86332#(and (<= proc_a 284) (<= 284 proc_a)), 86335#(and (<= proc_a 290) (<= 290 proc_a)), 86334#(and (<= proc_a 288) (<= 288 proc_a)), 86337#(and (<= 294 proc_a) (<= proc_a 294)), 86336#(and (<= proc_a 292) (<= 292 proc_a)), 86339#(and (<= 298 proc_a) (<= proc_a 298)), 86338#(and (<= 296 proc_a) (<= proc_a 296)), 86341#(and (<= proc_a 302) (<= 302 proc_a)), 86340#(and (<= proc_a 300) (<= 300 proc_a)), 86343#(and (<= 306 proc_a) (<= proc_a 306)), 86342#(and (<= proc_a 304) (<= 304 proc_a)), 86345#(and (<= proc_a 310) (<= 310 proc_a)), 86344#(and (<= 308 proc_a) (<= proc_a 308)), 86347#(and (<= proc_a 314) (<= 314 proc_a)), 86346#(and (<= proc_a 312) (<= 312 proc_a)), 86349#(and (<= 318 proc_a) (<= proc_a 318)), 86348#(and (<= 316 proc_a) (<= proc_a 316)), 86351#(and (<= proc_a 322) (<= 322 proc_a)), 86350#(and (<= proc_a 320) (<= 320 proc_a)), 86353#(and (<= proc_a 326) (<= 326 proc_a)), 86352#(and (<= 324 proc_a) (<= proc_a 324)), 86355#(and (<= proc_a 330) (<= 330 proc_a)), 86354#(and (<= proc_a 328) (<= 328 proc_a)), 86357#(and (<= 334 proc_a) (<= proc_a 334)), 86356#(and (<= proc_a 332) (<= 332 proc_a)), 86359#(and (<= proc_a 338) (<= 338 proc_a)), 86358#(and (<= 336 proc_a) (<= proc_a 336)), 86361#(and (<= 342 proc_a) (<= proc_a 342)), 86360#(and (<= proc_a 340) (<= 340 proc_a)), 86363#(and (<= proc_a 346) (<= 346 proc_a)), 86362#(and (<= 344 proc_a) (<= proc_a 344)), 86365#(and (<= proc_a 350) (<= 350 proc_a)), 86364#(and (<= 348 proc_a) (<= proc_a 348)), 86367#(and (<= proc_a 354) (<= 354 proc_a)), 86366#(and (<= 352 proc_a) (<= proc_a 352)), 86369#(and (<= 358 proc_a) (<= proc_a 358)), 86368#(and (<= proc_a 356) (<= 356 proc_a)), 86371#(and (<= proc_a 362) (<= 362 proc_a)), 86370#(and (<= proc_a 360) (<= 360 proc_a)), 86372#(and (<= proc_a 364) (<= 364 proc_a)), 86189#false, 86188#true, 86191#(and (<= 2 proc_a) (<= proc_a 2)), 86190#(and (<= proc_a 0) (<= 0 proc_a)), 86193#(and (<= 6 proc_a) (<= proc_a 6)), 86192#(and (<= 4 proc_a) (<= proc_a 4)), 86195#(and (<= 10 proc_a) (<= proc_a 10)), 86194#(and (<= proc_a 8) (<= 8 proc_a)), 86197#(and (<= 14 proc_a) (<= proc_a 14)), 86196#(and (<= proc_a 12) (<= 12 proc_a)), 86199#(and (<= 18 proc_a) (<= proc_a 18)), 86198#(and (<= proc_a 16) (<= 16 proc_a)), 86201#(and (<= 22 proc_a) (<= proc_a 22)), 86200#(and (<= 20 proc_a) (<= proc_a 20)), 86203#(and (<= 26 proc_a) (<= proc_a 26)), 86202#(and (<= 24 proc_a) (<= proc_a 24)), 86205#(and (<= proc_a 30) (<= 30 proc_a)), 86204#(and (<= proc_a 28) (<= 28 proc_a)), 86207#(and (<= 34 proc_a) (<= proc_a 34)), 86206#(and (<= 32 proc_a) (<= proc_a 32)), 86209#(and (<= 38 proc_a) (<= proc_a 38)), 86208#(and (<= 36 proc_a) (<= proc_a 36)), 86211#(and (<= proc_a 42) (<= 42 proc_a)), 86210#(and (<= 40 proc_a) (<= proc_a 40)), 86213#(and (<= proc_a 46) (<= 46 proc_a)), 86212#(and (<= proc_a 44) (<= 44 proc_a)), 86215#(and (<= 50 proc_a) (<= proc_a 50)), 86214#(and (<= 48 proc_a) (<= proc_a 48)), 86217#(and (<= 54 proc_a) (<= proc_a 54)), 86216#(and (<= 52 proc_a) (<= proc_a 52)), 86219#(and (<= proc_a 58) (<= 58 proc_a)), 86218#(and (<= proc_a 56) (<= 56 proc_a)), 86221#(and (<= 62 proc_a) (<= proc_a 62)), 86220#(and (<= 60 proc_a) (<= proc_a 60)), 86223#(and (<= 66 proc_a) (<= proc_a 66)), 86222#(and (<= 64 proc_a) (<= proc_a 64)), 86225#(and (<= proc_a 70) (<= 70 proc_a)), 86224#(and (<= 68 proc_a) (<= proc_a 68)), 86227#(and (<= proc_a 74) (<= 74 proc_a)), 86226#(and (<= 72 proc_a) (<= proc_a 72)), 86229#(and (<= 78 proc_a) (<= proc_a 78)), 86228#(and (<= proc_a 76) (<= 76 proc_a)), 86231#(and (<= 82 proc_a) (<= proc_a 82)), 86230#(and (<= proc_a 80) (<= 80 proc_a)), 86233#(and (<= 86 proc_a) (<= proc_a 86)), 86232#(and (<= proc_a 84) (<= 84 proc_a)), 86235#(and (<= proc_a 90) (<= 90 proc_a)), 86234#(and (<= 88 proc_a) (<= proc_a 88)), 86237#(and (<= proc_a 94) (<= 94 proc_a)), 86236#(and (<= 92 proc_a) (<= proc_a 92)), 86239#(and (<= 98 proc_a) (<= proc_a 98)), 86238#(and (<= proc_a 96) (<= 96 proc_a)), 86241#(and (<= 102 proc_a) (<= proc_a 102)), 86240#(and (<= proc_a 100) (<= 100 proc_a)), 86243#(and (<= 106 proc_a) (<= proc_a 106)), 86242#(and (<= proc_a 104) (<= 104 proc_a)), 86245#(and (<= proc_a 110) (<= 110 proc_a)), 86244#(and (<= proc_a 108) (<= 108 proc_a)), 86247#(and (<= 114 proc_a) (<= proc_a 114)), 86246#(and (<= proc_a 112) (<= 112 proc_a)), 86249#(and (<= proc_a 118) (<= 118 proc_a)), 86248#(and (<= 116 proc_a) (<= proc_a 116)), 86251#(and (<= proc_a 122) (<= 122 proc_a)), 86250#(and (<= 120 proc_a) (<= proc_a 120)), 86253#(and (<= proc_a 126) (<= 126 proc_a)), 86252#(and (<= proc_a 124) (<= 124 proc_a)), 86255#(and (<= proc_a 130) (<= 130 proc_a)), 86254#(and (<= 128 proc_a) (<= proc_a 128)), 86257#(and (<= proc_a 134) (<= 134 proc_a)), 86256#(and (<= 132 proc_a) (<= proc_a 132)), 86259#(and (<= proc_a 138) (<= 138 proc_a)), 86258#(and (<= proc_a 136) (<= 136 proc_a)), 86261#(and (<= 142 proc_a) (<= proc_a 142)), 86260#(and (<= proc_a 140) (<= 140 proc_a)), 86263#(and (<= proc_a 146) (<= 146 proc_a)), 86262#(and (<= 144 proc_a) (<= proc_a 144)), 86265#(and (<= proc_a 150) (<= 150 proc_a)), 86264#(and (<= 148 proc_a) (<= proc_a 148)), 86267#(and (<= 154 proc_a) (<= proc_a 154)), 86266#(and (<= proc_a 152) (<= 152 proc_a)), 86269#(and (<= proc_a 158) (<= 158 proc_a)), 86268#(and (<= 156 proc_a) (<= proc_a 156)), 86271#(and (<= proc_a 162) (<= 162 proc_a)), 86270#(and (<= 160 proc_a) (<= proc_a 160))] [2018-07-23 13:54:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16653 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:06,682 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:54:06,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:54:06,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=33673, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:54:06,684 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 185 states. [2018-07-23 13:54:08,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:08,373 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:54:08,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:54:08,373 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 184 [2018-07-23 13:54:08,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:08,374 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:54:08,374 INFO L226 Difference]: Without dead ends: 186 [2018-07-23 13:54:08,375 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=367, Invalid=33673, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:54:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-07-23 13:54:08,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2018-07-23 13:54:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-07-23 13:54:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 186 transitions. [2018-07-23 13:54:08,380 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 186 transitions. Word has length 184 [2018-07-23 13:54:08,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:08,380 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 186 transitions. [2018-07-23 13:54:08,380 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:54:08,380 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 186 transitions. [2018-07-23 13:54:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-07-23 13:54:08,381 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:08,381 INFO L357 BasicCegarLoop]: trace histogram [183, 1, 1] [2018-07-23 13:54:08,381 INFO L414 AbstractCegarLoop]: === Iteration 184 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:08,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1985669855, now seen corresponding path program 183 times [2018-07-23 13:54:08,381 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:09,811 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:09,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:54:09,811 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:09,812 INFO L185 omatonBuilderFactory]: Interpolants [87297#(and (<= 352 proc_a) (<= proc_a 352)), 87296#(and (<= proc_a 350) (<= 350 proc_a)), 87299#(and (<= proc_a 356) (<= 356 proc_a)), 87298#(and (<= proc_a 354) (<= 354 proc_a)), 87301#(and (<= proc_a 360) (<= 360 proc_a)), 87300#(and (<= 358 proc_a) (<= proc_a 358)), 87303#(and (<= proc_a 364) (<= 364 proc_a)), 87302#(and (<= proc_a 362) (<= 362 proc_a)), 87304#(and (<= 366 proc_a) (<= proc_a 366)), 87119#true, 87121#(and (<= proc_a 0) (<= 0 proc_a)), 87120#false, 87123#(and (<= 4 proc_a) (<= proc_a 4)), 87122#(and (<= 2 proc_a) (<= proc_a 2)), 87125#(and (<= proc_a 8) (<= 8 proc_a)), 87124#(and (<= 6 proc_a) (<= proc_a 6)), 87127#(and (<= proc_a 12) (<= 12 proc_a)), 87126#(and (<= 10 proc_a) (<= proc_a 10)), 87129#(and (<= proc_a 16) (<= 16 proc_a)), 87128#(and (<= 14 proc_a) (<= proc_a 14)), 87131#(and (<= 20 proc_a) (<= proc_a 20)), 87130#(and (<= 18 proc_a) (<= proc_a 18)), 87133#(and (<= 24 proc_a) (<= proc_a 24)), 87132#(and (<= 22 proc_a) (<= proc_a 22)), 87135#(and (<= proc_a 28) (<= 28 proc_a)), 87134#(and (<= 26 proc_a) (<= proc_a 26)), 87137#(and (<= 32 proc_a) (<= proc_a 32)), 87136#(and (<= proc_a 30) (<= 30 proc_a)), 87139#(and (<= 36 proc_a) (<= proc_a 36)), 87138#(and (<= 34 proc_a) (<= proc_a 34)), 87141#(and (<= 40 proc_a) (<= proc_a 40)), 87140#(and (<= 38 proc_a) (<= proc_a 38)), 87143#(and (<= proc_a 44) (<= 44 proc_a)), 87142#(and (<= proc_a 42) (<= 42 proc_a)), 87145#(and (<= 48 proc_a) (<= proc_a 48)), 87144#(and (<= proc_a 46) (<= 46 proc_a)), 87147#(and (<= 52 proc_a) (<= proc_a 52)), 87146#(and (<= 50 proc_a) (<= proc_a 50)), 87149#(and (<= proc_a 56) (<= 56 proc_a)), 87148#(and (<= 54 proc_a) (<= proc_a 54)), 87151#(and (<= 60 proc_a) (<= proc_a 60)), 87150#(and (<= proc_a 58) (<= 58 proc_a)), 87153#(and (<= 64 proc_a) (<= proc_a 64)), 87152#(and (<= 62 proc_a) (<= proc_a 62)), 87155#(and (<= 68 proc_a) (<= proc_a 68)), 87154#(and (<= 66 proc_a) (<= proc_a 66)), 87157#(and (<= 72 proc_a) (<= proc_a 72)), 87156#(and (<= proc_a 70) (<= 70 proc_a)), 87159#(and (<= proc_a 76) (<= 76 proc_a)), 87158#(and (<= proc_a 74) (<= 74 proc_a)), 87161#(and (<= proc_a 80) (<= 80 proc_a)), 87160#(and (<= 78 proc_a) (<= proc_a 78)), 87163#(and (<= proc_a 84) (<= 84 proc_a)), 87162#(and (<= 82 proc_a) (<= proc_a 82)), 87165#(and (<= 88 proc_a) (<= proc_a 88)), 87164#(and (<= 86 proc_a) (<= proc_a 86)), 87167#(and (<= 92 proc_a) (<= proc_a 92)), 87166#(and (<= proc_a 90) (<= 90 proc_a)), 87169#(and (<= proc_a 96) (<= 96 proc_a)), 87168#(and (<= proc_a 94) (<= 94 proc_a)), 87171#(and (<= proc_a 100) (<= 100 proc_a)), 87170#(and (<= 98 proc_a) (<= proc_a 98)), 87173#(and (<= proc_a 104) (<= 104 proc_a)), 87172#(and (<= 102 proc_a) (<= proc_a 102)), 87175#(and (<= proc_a 108) (<= 108 proc_a)), 87174#(and (<= 106 proc_a) (<= proc_a 106)), 87177#(and (<= proc_a 112) (<= 112 proc_a)), 87176#(and (<= proc_a 110) (<= 110 proc_a)), 87179#(and (<= 116 proc_a) (<= proc_a 116)), 87178#(and (<= 114 proc_a) (<= proc_a 114)), 87181#(and (<= 120 proc_a) (<= proc_a 120)), 87180#(and (<= proc_a 118) (<= 118 proc_a)), 87183#(and (<= proc_a 124) (<= 124 proc_a)), 87182#(and (<= proc_a 122) (<= 122 proc_a)), 87185#(and (<= 128 proc_a) (<= proc_a 128)), 87184#(and (<= proc_a 126) (<= 126 proc_a)), 87187#(and (<= 132 proc_a) (<= proc_a 132)), 87186#(and (<= proc_a 130) (<= 130 proc_a)), 87189#(and (<= proc_a 136) (<= 136 proc_a)), 87188#(and (<= proc_a 134) (<= 134 proc_a)), 87191#(and (<= proc_a 140) (<= 140 proc_a)), 87190#(and (<= proc_a 138) (<= 138 proc_a)), 87193#(and (<= 144 proc_a) (<= proc_a 144)), 87192#(and (<= 142 proc_a) (<= proc_a 142)), 87195#(and (<= 148 proc_a) (<= proc_a 148)), 87194#(and (<= proc_a 146) (<= 146 proc_a)), 87197#(and (<= proc_a 152) (<= 152 proc_a)), 87196#(and (<= proc_a 150) (<= 150 proc_a)), 87199#(and (<= 156 proc_a) (<= proc_a 156)), 87198#(and (<= 154 proc_a) (<= proc_a 154)), 87201#(and (<= 160 proc_a) (<= proc_a 160)), 87200#(and (<= proc_a 158) (<= 158 proc_a)), 87203#(and (<= 164 proc_a) (<= proc_a 164)), 87202#(and (<= proc_a 162) (<= 162 proc_a)), 87205#(and (<= 168 proc_a) (<= proc_a 168)), 87204#(and (<= 166 proc_a) (<= proc_a 166)), 87207#(and (<= 172 proc_a) (<= proc_a 172)), 87206#(and (<= 170 proc_a) (<= proc_a 170)), 87209#(and (<= 176 proc_a) (<= proc_a 176)), 87208#(and (<= proc_a 174) (<= 174 proc_a)), 87211#(and (<= proc_a 180) (<= 180 proc_a)), 87210#(and (<= 178 proc_a) (<= proc_a 178)), 87213#(and (<= 184 proc_a) (<= proc_a 184)), 87212#(and (<= proc_a 182) (<= 182 proc_a)), 87215#(and (<= 188 proc_a) (<= proc_a 188)), 87214#(and (<= 186 proc_a) (<= proc_a 186)), 87217#(and (<= proc_a 192) (<= 192 proc_a)), 87216#(and (<= 190 proc_a) (<= proc_a 190)), 87219#(and (<= proc_a 196) (<= 196 proc_a)), 87218#(and (<= 194 proc_a) (<= proc_a 194)), 87221#(and (<= proc_a 200) (<= 200 proc_a)), 87220#(and (<= 198 proc_a) (<= proc_a 198)), 87223#(and (<= 204 proc_a) (<= proc_a 204)), 87222#(and (<= proc_a 202) (<= 202 proc_a)), 87225#(and (<= 208 proc_a) (<= proc_a 208)), 87224#(and (<= 206 proc_a) (<= proc_a 206)), 87227#(and (<= proc_a 212) (<= 212 proc_a)), 87226#(and (<= proc_a 210) (<= 210 proc_a)), 87229#(and (<= 216 proc_a) (<= proc_a 216)), 87228#(and (<= 214 proc_a) (<= proc_a 214)), 87231#(and (<= proc_a 220) (<= 220 proc_a)), 87230#(and (<= proc_a 218) (<= 218 proc_a)), 87233#(and (<= 224 proc_a) (<= proc_a 224)), 87232#(and (<= 222 proc_a) (<= proc_a 222)), 87235#(and (<= 228 proc_a) (<= proc_a 228)), 87234#(and (<= proc_a 226) (<= 226 proc_a)), 87237#(and (<= 232 proc_a) (<= proc_a 232)), 87236#(and (<= proc_a 230) (<= 230 proc_a)), 87239#(and (<= proc_a 236) (<= 236 proc_a)), 87238#(and (<= proc_a 234) (<= 234 proc_a)), 87241#(and (<= 240 proc_a) (<= proc_a 240)), 87240#(and (<= 238 proc_a) (<= proc_a 238)), 87243#(and (<= proc_a 244) (<= 244 proc_a)), 87242#(and (<= proc_a 242) (<= 242 proc_a)), 87245#(and (<= 248 proc_a) (<= proc_a 248)), 87244#(and (<= proc_a 246) (<= 246 proc_a)), 87247#(and (<= 252 proc_a) (<= proc_a 252)), 87246#(and (<= proc_a 250) (<= 250 proc_a)), 87249#(and (<= proc_a 256) (<= 256 proc_a)), 87248#(and (<= 254 proc_a) (<= proc_a 254)), 87251#(and (<= proc_a 260) (<= 260 proc_a)), 87250#(and (<= 258 proc_a) (<= proc_a 258)), 87253#(and (<= proc_a 264) (<= 264 proc_a)), 87252#(and (<= 262 proc_a) (<= proc_a 262)), 87255#(and (<= proc_a 268) (<= 268 proc_a)), 87254#(and (<= 266 proc_a) (<= proc_a 266)), 87257#(and (<= proc_a 272) (<= 272 proc_a)), 87256#(and (<= proc_a 270) (<= 270 proc_a)), 87259#(and (<= proc_a 276) (<= 276 proc_a)), 87258#(and (<= proc_a 274) (<= 274 proc_a)), 87261#(and (<= proc_a 280) (<= 280 proc_a)), 87260#(and (<= proc_a 278) (<= 278 proc_a)), 87263#(and (<= proc_a 284) (<= 284 proc_a)), 87262#(and (<= proc_a 282) (<= 282 proc_a)), 87265#(and (<= proc_a 288) (<= 288 proc_a)), 87264#(and (<= proc_a 286) (<= 286 proc_a)), 87267#(and (<= proc_a 292) (<= 292 proc_a)), 87266#(and (<= proc_a 290) (<= 290 proc_a)), 87269#(and (<= 296 proc_a) (<= proc_a 296)), 87268#(and (<= 294 proc_a) (<= proc_a 294)), 87271#(and (<= proc_a 300) (<= 300 proc_a)), 87270#(and (<= 298 proc_a) (<= proc_a 298)), 87273#(and (<= proc_a 304) (<= 304 proc_a)), 87272#(and (<= proc_a 302) (<= 302 proc_a)), 87275#(and (<= 308 proc_a) (<= proc_a 308)), 87274#(and (<= 306 proc_a) (<= proc_a 306)), 87277#(and (<= proc_a 312) (<= 312 proc_a)), 87276#(and (<= proc_a 310) (<= 310 proc_a)), 87279#(and (<= 316 proc_a) (<= proc_a 316)), 87278#(and (<= proc_a 314) (<= 314 proc_a)), 87281#(and (<= proc_a 320) (<= 320 proc_a)), 87280#(and (<= 318 proc_a) (<= proc_a 318)), 87283#(and (<= 324 proc_a) (<= proc_a 324)), 87282#(and (<= proc_a 322) (<= 322 proc_a)), 87285#(and (<= proc_a 328) (<= 328 proc_a)), 87284#(and (<= proc_a 326) (<= 326 proc_a)), 87287#(and (<= proc_a 332) (<= 332 proc_a)), 87286#(and (<= proc_a 330) (<= 330 proc_a)), 87289#(and (<= 336 proc_a) (<= proc_a 336)), 87288#(and (<= 334 proc_a) (<= proc_a 334)), 87291#(and (<= proc_a 340) (<= 340 proc_a)), 87290#(and (<= proc_a 338) (<= 338 proc_a)), 87293#(and (<= 344 proc_a) (<= proc_a 344)), 87292#(and (<= 342 proc_a) (<= proc_a 342)), 87295#(and (<= 348 proc_a) (<= proc_a 348)), 87294#(and (<= proc_a 346) (<= 346 proc_a))] [2018-07-23 13:54:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:09,813 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:54:09,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:54:09,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=34041, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:54:09,814 INFO L87 Difference]: Start difference. First operand 186 states and 186 transitions. Second operand 186 states. [2018-07-23 13:54:11,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:11,519 INFO L93 Difference]: Finished difference Result 188 states and 188 transitions. [2018-07-23 13:54:11,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:54:11,520 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 185 [2018-07-23 13:54:11,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:11,520 INFO L225 Difference]: With dead ends: 188 [2018-07-23 13:54:11,520 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:54:11,521 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=369, Invalid=34041, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:54:11,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:54:11,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:54:11,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:54:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:54:11,526 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 185 [2018-07-23 13:54:11,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:11,526 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:54:11,526 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:54:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:54:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:54:11,527 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:11,527 INFO L357 BasicCegarLoop]: trace histogram [184, 1, 1] [2018-07-23 13:54:11,527 INFO L414 AbstractCegarLoop]: === Iteration 185 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:11,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1426223417, now seen corresponding path program 184 times [2018-07-23 13:54:11,527 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:12,926 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:12,926 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:54:12,927 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:12,927 INFO L185 omatonBuilderFactory]: Interpolants [88065#(and (<= proc_a 16) (<= 16 proc_a)), 88064#(and (<= 14 proc_a) (<= proc_a 14)), 88067#(and (<= 20 proc_a) (<= proc_a 20)), 88066#(and (<= 18 proc_a) (<= proc_a 18)), 88069#(and (<= 24 proc_a) (<= proc_a 24)), 88068#(and (<= 22 proc_a) (<= proc_a 22)), 88071#(and (<= proc_a 28) (<= 28 proc_a)), 88070#(and (<= 26 proc_a) (<= proc_a 26)), 88073#(and (<= 32 proc_a) (<= proc_a 32)), 88072#(and (<= proc_a 30) (<= 30 proc_a)), 88075#(and (<= 36 proc_a) (<= proc_a 36)), 88074#(and (<= 34 proc_a) (<= proc_a 34)), 88077#(and (<= 40 proc_a) (<= proc_a 40)), 88076#(and (<= 38 proc_a) (<= proc_a 38)), 88079#(and (<= proc_a 44) (<= 44 proc_a)), 88078#(and (<= proc_a 42) (<= 42 proc_a)), 88081#(and (<= 48 proc_a) (<= proc_a 48)), 88080#(and (<= proc_a 46) (<= 46 proc_a)), 88083#(and (<= 52 proc_a) (<= proc_a 52)), 88082#(and (<= 50 proc_a) (<= proc_a 50)), 88085#(and (<= proc_a 56) (<= 56 proc_a)), 88084#(and (<= 54 proc_a) (<= proc_a 54)), 88087#(and (<= 60 proc_a) (<= proc_a 60)), 88086#(and (<= proc_a 58) (<= 58 proc_a)), 88089#(and (<= 64 proc_a) (<= proc_a 64)), 88088#(and (<= 62 proc_a) (<= proc_a 62)), 88091#(and (<= 68 proc_a) (<= proc_a 68)), 88090#(and (<= 66 proc_a) (<= proc_a 66)), 88093#(and (<= 72 proc_a) (<= proc_a 72)), 88092#(and (<= proc_a 70) (<= 70 proc_a)), 88095#(and (<= proc_a 76) (<= 76 proc_a)), 88094#(and (<= proc_a 74) (<= 74 proc_a)), 88097#(and (<= proc_a 80) (<= 80 proc_a)), 88096#(and (<= 78 proc_a) (<= proc_a 78)), 88099#(and (<= proc_a 84) (<= 84 proc_a)), 88098#(and (<= 82 proc_a) (<= proc_a 82)), 88101#(and (<= 88 proc_a) (<= proc_a 88)), 88100#(and (<= 86 proc_a) (<= proc_a 86)), 88103#(and (<= 92 proc_a) (<= proc_a 92)), 88102#(and (<= proc_a 90) (<= 90 proc_a)), 88105#(and (<= proc_a 96) (<= 96 proc_a)), 88104#(and (<= proc_a 94) (<= 94 proc_a)), 88107#(and (<= proc_a 100) (<= 100 proc_a)), 88106#(and (<= 98 proc_a) (<= proc_a 98)), 88109#(and (<= proc_a 104) (<= 104 proc_a)), 88108#(and (<= 102 proc_a) (<= proc_a 102)), 88111#(and (<= proc_a 108) (<= 108 proc_a)), 88110#(and (<= 106 proc_a) (<= proc_a 106)), 88113#(and (<= proc_a 112) (<= 112 proc_a)), 88112#(and (<= proc_a 110) (<= 110 proc_a)), 88115#(and (<= 116 proc_a) (<= proc_a 116)), 88114#(and (<= 114 proc_a) (<= proc_a 114)), 88117#(and (<= 120 proc_a) (<= proc_a 120)), 88116#(and (<= proc_a 118) (<= 118 proc_a)), 88119#(and (<= proc_a 124) (<= 124 proc_a)), 88118#(and (<= proc_a 122) (<= 122 proc_a)), 88121#(and (<= 128 proc_a) (<= proc_a 128)), 88120#(and (<= proc_a 126) (<= 126 proc_a)), 88123#(and (<= 132 proc_a) (<= proc_a 132)), 88122#(and (<= proc_a 130) (<= 130 proc_a)), 88125#(and (<= proc_a 136) (<= 136 proc_a)), 88124#(and (<= proc_a 134) (<= 134 proc_a)), 88127#(and (<= proc_a 140) (<= 140 proc_a)), 88126#(and (<= proc_a 138) (<= 138 proc_a)), 88129#(and (<= 144 proc_a) (<= proc_a 144)), 88128#(and (<= 142 proc_a) (<= proc_a 142)), 88131#(and (<= 148 proc_a) (<= proc_a 148)), 88130#(and (<= proc_a 146) (<= 146 proc_a)), 88133#(and (<= proc_a 152) (<= 152 proc_a)), 88132#(and (<= proc_a 150) (<= 150 proc_a)), 88135#(and (<= 156 proc_a) (<= proc_a 156)), 88134#(and (<= 154 proc_a) (<= proc_a 154)), 88137#(and (<= 160 proc_a) (<= proc_a 160)), 88136#(and (<= proc_a 158) (<= 158 proc_a)), 88139#(and (<= 164 proc_a) (<= proc_a 164)), 88138#(and (<= proc_a 162) (<= 162 proc_a)), 88141#(and (<= 168 proc_a) (<= proc_a 168)), 88140#(and (<= 166 proc_a) (<= proc_a 166)), 88143#(and (<= 172 proc_a) (<= proc_a 172)), 88142#(and (<= 170 proc_a) (<= proc_a 170)), 88145#(and (<= 176 proc_a) (<= proc_a 176)), 88144#(and (<= proc_a 174) (<= 174 proc_a)), 88147#(and (<= proc_a 180) (<= 180 proc_a)), 88146#(and (<= 178 proc_a) (<= proc_a 178)), 88149#(and (<= 184 proc_a) (<= proc_a 184)), 88148#(and (<= proc_a 182) (<= 182 proc_a)), 88151#(and (<= 188 proc_a) (<= proc_a 188)), 88150#(and (<= 186 proc_a) (<= proc_a 186)), 88153#(and (<= proc_a 192) (<= 192 proc_a)), 88152#(and (<= 190 proc_a) (<= proc_a 190)), 88155#(and (<= proc_a 196) (<= 196 proc_a)), 88154#(and (<= 194 proc_a) (<= proc_a 194)), 88157#(and (<= proc_a 200) (<= 200 proc_a)), 88156#(and (<= 198 proc_a) (<= proc_a 198)), 88159#(and (<= 204 proc_a) (<= proc_a 204)), 88158#(and (<= proc_a 202) (<= 202 proc_a)), 88161#(and (<= 208 proc_a) (<= proc_a 208)), 88160#(and (<= 206 proc_a) (<= proc_a 206)), 88163#(and (<= proc_a 212) (<= 212 proc_a)), 88162#(and (<= proc_a 210) (<= 210 proc_a)), 88165#(and (<= 216 proc_a) (<= proc_a 216)), 88164#(and (<= 214 proc_a) (<= proc_a 214)), 88167#(and (<= proc_a 220) (<= 220 proc_a)), 88166#(and (<= proc_a 218) (<= 218 proc_a)), 88169#(and (<= 224 proc_a) (<= proc_a 224)), 88168#(and (<= 222 proc_a) (<= proc_a 222)), 88171#(and (<= 228 proc_a) (<= proc_a 228)), 88170#(and (<= proc_a 226) (<= 226 proc_a)), 88173#(and (<= 232 proc_a) (<= proc_a 232)), 88172#(and (<= proc_a 230) (<= 230 proc_a)), 88175#(and (<= proc_a 236) (<= 236 proc_a)), 88174#(and (<= proc_a 234) (<= 234 proc_a)), 88177#(and (<= 240 proc_a) (<= proc_a 240)), 88176#(and (<= 238 proc_a) (<= proc_a 238)), 88179#(and (<= proc_a 244) (<= 244 proc_a)), 88178#(and (<= proc_a 242) (<= 242 proc_a)), 88181#(and (<= 248 proc_a) (<= proc_a 248)), 88180#(and (<= proc_a 246) (<= 246 proc_a)), 88183#(and (<= 252 proc_a) (<= proc_a 252)), 88182#(and (<= proc_a 250) (<= 250 proc_a)), 88185#(and (<= proc_a 256) (<= 256 proc_a)), 88184#(and (<= 254 proc_a) (<= proc_a 254)), 88187#(and (<= proc_a 260) (<= 260 proc_a)), 88186#(and (<= 258 proc_a) (<= proc_a 258)), 88189#(and (<= proc_a 264) (<= 264 proc_a)), 88188#(and (<= 262 proc_a) (<= proc_a 262)), 88191#(and (<= proc_a 268) (<= 268 proc_a)), 88190#(and (<= 266 proc_a) (<= proc_a 266)), 88193#(and (<= proc_a 272) (<= 272 proc_a)), 88192#(and (<= proc_a 270) (<= 270 proc_a)), 88195#(and (<= proc_a 276) (<= 276 proc_a)), 88194#(and (<= proc_a 274) (<= 274 proc_a)), 88197#(and (<= proc_a 280) (<= 280 proc_a)), 88196#(and (<= proc_a 278) (<= 278 proc_a)), 88199#(and (<= proc_a 284) (<= 284 proc_a)), 88198#(and (<= proc_a 282) (<= 282 proc_a)), 88201#(and (<= proc_a 288) (<= 288 proc_a)), 88200#(and (<= proc_a 286) (<= 286 proc_a)), 88203#(and (<= proc_a 292) (<= 292 proc_a)), 88202#(and (<= proc_a 290) (<= 290 proc_a)), 88205#(and (<= 296 proc_a) (<= proc_a 296)), 88204#(and (<= 294 proc_a) (<= proc_a 294)), 88207#(and (<= proc_a 300) (<= 300 proc_a)), 88206#(and (<= 298 proc_a) (<= proc_a 298)), 88209#(and (<= proc_a 304) (<= 304 proc_a)), 88208#(and (<= proc_a 302) (<= 302 proc_a)), 88211#(and (<= 308 proc_a) (<= proc_a 308)), 88210#(and (<= 306 proc_a) (<= proc_a 306)), 88213#(and (<= proc_a 312) (<= 312 proc_a)), 88212#(and (<= proc_a 310) (<= 310 proc_a)), 88215#(and (<= 316 proc_a) (<= proc_a 316)), 88214#(and (<= proc_a 314) (<= 314 proc_a)), 88217#(and (<= proc_a 320) (<= 320 proc_a)), 88216#(and (<= 318 proc_a) (<= proc_a 318)), 88219#(and (<= 324 proc_a) (<= proc_a 324)), 88218#(and (<= proc_a 322) (<= 322 proc_a)), 88221#(and (<= proc_a 328) (<= 328 proc_a)), 88220#(and (<= proc_a 326) (<= 326 proc_a)), 88223#(and (<= proc_a 332) (<= 332 proc_a)), 88222#(and (<= proc_a 330) (<= 330 proc_a)), 88225#(and (<= 336 proc_a) (<= proc_a 336)), 88224#(and (<= 334 proc_a) (<= proc_a 334)), 88227#(and (<= proc_a 340) (<= 340 proc_a)), 88226#(and (<= proc_a 338) (<= 338 proc_a)), 88229#(and (<= 344 proc_a) (<= proc_a 344)), 88228#(and (<= 342 proc_a) (<= proc_a 342)), 88231#(and (<= 348 proc_a) (<= proc_a 348)), 88230#(and (<= proc_a 346) (<= 346 proc_a)), 88233#(and (<= 352 proc_a) (<= proc_a 352)), 88232#(and (<= proc_a 350) (<= 350 proc_a)), 88235#(and (<= proc_a 356) (<= 356 proc_a)), 88234#(and (<= proc_a 354) (<= 354 proc_a)), 88237#(and (<= proc_a 360) (<= 360 proc_a)), 88236#(and (<= 358 proc_a) (<= proc_a 358)), 88239#(and (<= proc_a 364) (<= 364 proc_a)), 88238#(and (<= proc_a 362) (<= 362 proc_a)), 88241#(and (<= proc_a 368) (<= 368 proc_a)), 88240#(and (<= 366 proc_a) (<= proc_a 366)), 88055#true, 88057#(and (<= proc_a 0) (<= 0 proc_a)), 88056#false, 88059#(and (<= 4 proc_a) (<= proc_a 4)), 88058#(and (<= 2 proc_a) (<= proc_a 2)), 88061#(and (<= proc_a 8) (<= 8 proc_a)), 88060#(and (<= 6 proc_a) (<= proc_a 6)), 88063#(and (<= proc_a 12) (<= 12 proc_a)), 88062#(and (<= 10 proc_a) (<= proc_a 10))] [2018-07-23 13:54:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:12,928 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:54:12,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:54:12,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=34411, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:54:12,929 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 187 states. [2018-07-23 13:54:14,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:14,659 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:54:14,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:54:14,660 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 186 [2018-07-23 13:54:14,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:14,660 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:54:14,660 INFO L226 Difference]: Without dead ends: 188 [2018-07-23 13:54:14,661 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=371, Invalid=34411, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:54:14,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-07-23 13:54:14,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-07-23 13:54:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-07-23 13:54:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2018-07-23 13:54:14,666 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 186 [2018-07-23 13:54:14,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:14,666 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2018-07-23 13:54:14,666 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:54:14,666 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2018-07-23 13:54:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-07-23 13:54:14,667 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:14,667 INFO L357 BasicCegarLoop]: trace histogram [185, 1, 1] [2018-07-23 13:54:14,667 INFO L414 AbstractCegarLoop]: === Iteration 186 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:14,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1263253023, now seen corresponding path program 185 times [2018-07-23 13:54:14,667 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:16,162 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:16,162 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:54:16,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:16,162 INFO L185 omatonBuilderFactory]: Interpolants [89089#(and (<= proc_a 182) (<= 182 proc_a)), 89088#(and (<= proc_a 180) (<= 180 proc_a)), 89091#(and (<= 186 proc_a) (<= proc_a 186)), 89090#(and (<= 184 proc_a) (<= proc_a 184)), 89093#(and (<= 190 proc_a) (<= proc_a 190)), 89092#(and (<= 188 proc_a) (<= proc_a 188)), 89095#(and (<= 194 proc_a) (<= proc_a 194)), 89094#(and (<= proc_a 192) (<= 192 proc_a)), 89097#(and (<= 198 proc_a) (<= proc_a 198)), 89096#(and (<= proc_a 196) (<= 196 proc_a)), 89099#(and (<= proc_a 202) (<= 202 proc_a)), 89098#(and (<= proc_a 200) (<= 200 proc_a)), 89101#(and (<= 206 proc_a) (<= proc_a 206)), 89100#(and (<= 204 proc_a) (<= proc_a 204)), 89103#(and (<= proc_a 210) (<= 210 proc_a)), 89102#(and (<= 208 proc_a) (<= proc_a 208)), 89105#(and (<= 214 proc_a) (<= proc_a 214)), 89104#(and (<= proc_a 212) (<= 212 proc_a)), 89107#(and (<= proc_a 218) (<= 218 proc_a)), 89106#(and (<= 216 proc_a) (<= proc_a 216)), 89109#(and (<= 222 proc_a) (<= proc_a 222)), 89108#(and (<= proc_a 220) (<= 220 proc_a)), 89111#(and (<= proc_a 226) (<= 226 proc_a)), 89110#(and (<= 224 proc_a) (<= proc_a 224)), 89113#(and (<= proc_a 230) (<= 230 proc_a)), 89112#(and (<= 228 proc_a) (<= proc_a 228)), 89115#(and (<= proc_a 234) (<= 234 proc_a)), 89114#(and (<= 232 proc_a) (<= proc_a 232)), 89117#(and (<= 238 proc_a) (<= proc_a 238)), 89116#(and (<= proc_a 236) (<= 236 proc_a)), 89119#(and (<= proc_a 242) (<= 242 proc_a)), 89118#(and (<= 240 proc_a) (<= proc_a 240)), 89121#(and (<= proc_a 246) (<= 246 proc_a)), 89120#(and (<= proc_a 244) (<= 244 proc_a)), 89123#(and (<= proc_a 250) (<= 250 proc_a)), 89122#(and (<= 248 proc_a) (<= proc_a 248)), 89125#(and (<= 254 proc_a) (<= proc_a 254)), 89124#(and (<= 252 proc_a) (<= proc_a 252)), 89127#(and (<= 258 proc_a) (<= proc_a 258)), 89126#(and (<= proc_a 256) (<= 256 proc_a)), 89129#(and (<= 262 proc_a) (<= proc_a 262)), 89128#(and (<= proc_a 260) (<= 260 proc_a)), 89131#(and (<= 266 proc_a) (<= proc_a 266)), 89130#(and (<= proc_a 264) (<= 264 proc_a)), 89133#(and (<= proc_a 270) (<= 270 proc_a)), 89132#(and (<= proc_a 268) (<= 268 proc_a)), 89135#(and (<= proc_a 274) (<= 274 proc_a)), 89134#(and (<= proc_a 272) (<= 272 proc_a)), 89137#(and (<= proc_a 278) (<= 278 proc_a)), 89136#(and (<= proc_a 276) (<= 276 proc_a)), 89139#(and (<= proc_a 282) (<= 282 proc_a)), 89138#(and (<= proc_a 280) (<= 280 proc_a)), 89141#(and (<= proc_a 286) (<= 286 proc_a)), 89140#(and (<= proc_a 284) (<= 284 proc_a)), 89143#(and (<= proc_a 290) (<= 290 proc_a)), 89142#(and (<= proc_a 288) (<= 288 proc_a)), 89145#(and (<= 294 proc_a) (<= proc_a 294)), 89144#(and (<= proc_a 292) (<= 292 proc_a)), 89147#(and (<= 298 proc_a) (<= proc_a 298)), 89146#(and (<= 296 proc_a) (<= proc_a 296)), 89149#(and (<= proc_a 302) (<= 302 proc_a)), 89148#(and (<= proc_a 300) (<= 300 proc_a)), 89151#(and (<= 306 proc_a) (<= proc_a 306)), 89150#(and (<= proc_a 304) (<= 304 proc_a)), 89153#(and (<= proc_a 310) (<= 310 proc_a)), 89152#(and (<= 308 proc_a) (<= proc_a 308)), 89155#(and (<= proc_a 314) (<= 314 proc_a)), 89154#(and (<= proc_a 312) (<= 312 proc_a)), 89157#(and (<= 318 proc_a) (<= proc_a 318)), 89156#(and (<= 316 proc_a) (<= proc_a 316)), 89159#(and (<= proc_a 322) (<= 322 proc_a)), 89158#(and (<= proc_a 320) (<= 320 proc_a)), 89161#(and (<= proc_a 326) (<= 326 proc_a)), 89160#(and (<= 324 proc_a) (<= proc_a 324)), 89163#(and (<= proc_a 330) (<= 330 proc_a)), 89162#(and (<= proc_a 328) (<= 328 proc_a)), 89165#(and (<= 334 proc_a) (<= proc_a 334)), 89164#(and (<= proc_a 332) (<= 332 proc_a)), 89167#(and (<= proc_a 338) (<= 338 proc_a)), 89166#(and (<= 336 proc_a) (<= proc_a 336)), 89169#(and (<= 342 proc_a) (<= proc_a 342)), 89168#(and (<= proc_a 340) (<= 340 proc_a)), 89171#(and (<= proc_a 346) (<= 346 proc_a)), 89170#(and (<= 344 proc_a) (<= proc_a 344)), 89173#(and (<= proc_a 350) (<= 350 proc_a)), 89172#(and (<= 348 proc_a) (<= proc_a 348)), 89175#(and (<= proc_a 354) (<= 354 proc_a)), 89174#(and (<= 352 proc_a) (<= proc_a 352)), 89177#(and (<= 358 proc_a) (<= proc_a 358)), 89176#(and (<= proc_a 356) (<= 356 proc_a)), 89179#(and (<= proc_a 362) (<= 362 proc_a)), 89178#(and (<= proc_a 360) (<= 360 proc_a)), 89181#(and (<= 366 proc_a) (<= proc_a 366)), 89180#(and (<= proc_a 364) (<= 364 proc_a)), 89183#(and (<= 370 proc_a) (<= proc_a 370)), 89182#(and (<= proc_a 368) (<= 368 proc_a)), 88997#false, 88996#true, 88999#(and (<= 2 proc_a) (<= proc_a 2)), 88998#(and (<= proc_a 0) (<= 0 proc_a)), 89001#(and (<= 6 proc_a) (<= proc_a 6)), 89000#(and (<= 4 proc_a) (<= proc_a 4)), 89003#(and (<= 10 proc_a) (<= proc_a 10)), 89002#(and (<= proc_a 8) (<= 8 proc_a)), 89005#(and (<= 14 proc_a) (<= proc_a 14)), 89004#(and (<= proc_a 12) (<= 12 proc_a)), 89007#(and (<= 18 proc_a) (<= proc_a 18)), 89006#(and (<= proc_a 16) (<= 16 proc_a)), 89009#(and (<= 22 proc_a) (<= proc_a 22)), 89008#(and (<= 20 proc_a) (<= proc_a 20)), 89011#(and (<= 26 proc_a) (<= proc_a 26)), 89010#(and (<= 24 proc_a) (<= proc_a 24)), 89013#(and (<= proc_a 30) (<= 30 proc_a)), 89012#(and (<= proc_a 28) (<= 28 proc_a)), 89015#(and (<= 34 proc_a) (<= proc_a 34)), 89014#(and (<= 32 proc_a) (<= proc_a 32)), 89017#(and (<= 38 proc_a) (<= proc_a 38)), 89016#(and (<= 36 proc_a) (<= proc_a 36)), 89019#(and (<= proc_a 42) (<= 42 proc_a)), 89018#(and (<= 40 proc_a) (<= proc_a 40)), 89021#(and (<= proc_a 46) (<= 46 proc_a)), 89020#(and (<= proc_a 44) (<= 44 proc_a)), 89023#(and (<= 50 proc_a) (<= proc_a 50)), 89022#(and (<= 48 proc_a) (<= proc_a 48)), 89025#(and (<= 54 proc_a) (<= proc_a 54)), 89024#(and (<= 52 proc_a) (<= proc_a 52)), 89027#(and (<= proc_a 58) (<= 58 proc_a)), 89026#(and (<= proc_a 56) (<= 56 proc_a)), 89029#(and (<= 62 proc_a) (<= proc_a 62)), 89028#(and (<= 60 proc_a) (<= proc_a 60)), 89031#(and (<= 66 proc_a) (<= proc_a 66)), 89030#(and (<= 64 proc_a) (<= proc_a 64)), 89033#(and (<= proc_a 70) (<= 70 proc_a)), 89032#(and (<= 68 proc_a) (<= proc_a 68)), 89035#(and (<= proc_a 74) (<= 74 proc_a)), 89034#(and (<= 72 proc_a) (<= proc_a 72)), 89037#(and (<= 78 proc_a) (<= proc_a 78)), 89036#(and (<= proc_a 76) (<= 76 proc_a)), 89039#(and (<= 82 proc_a) (<= proc_a 82)), 89038#(and (<= proc_a 80) (<= 80 proc_a)), 89041#(and (<= 86 proc_a) (<= proc_a 86)), 89040#(and (<= proc_a 84) (<= 84 proc_a)), 89043#(and (<= proc_a 90) (<= 90 proc_a)), 89042#(and (<= 88 proc_a) (<= proc_a 88)), 89045#(and (<= proc_a 94) (<= 94 proc_a)), 89044#(and (<= 92 proc_a) (<= proc_a 92)), 89047#(and (<= 98 proc_a) (<= proc_a 98)), 89046#(and (<= proc_a 96) (<= 96 proc_a)), 89049#(and (<= 102 proc_a) (<= proc_a 102)), 89048#(and (<= proc_a 100) (<= 100 proc_a)), 89051#(and (<= 106 proc_a) (<= proc_a 106)), 89050#(and (<= proc_a 104) (<= 104 proc_a)), 89053#(and (<= proc_a 110) (<= 110 proc_a)), 89052#(and (<= proc_a 108) (<= 108 proc_a)), 89055#(and (<= 114 proc_a) (<= proc_a 114)), 89054#(and (<= proc_a 112) (<= 112 proc_a)), 89057#(and (<= proc_a 118) (<= 118 proc_a)), 89056#(and (<= 116 proc_a) (<= proc_a 116)), 89059#(and (<= proc_a 122) (<= 122 proc_a)), 89058#(and (<= 120 proc_a) (<= proc_a 120)), 89061#(and (<= proc_a 126) (<= 126 proc_a)), 89060#(and (<= proc_a 124) (<= 124 proc_a)), 89063#(and (<= proc_a 130) (<= 130 proc_a)), 89062#(and (<= 128 proc_a) (<= proc_a 128)), 89065#(and (<= proc_a 134) (<= 134 proc_a)), 89064#(and (<= 132 proc_a) (<= proc_a 132)), 89067#(and (<= proc_a 138) (<= 138 proc_a)), 89066#(and (<= proc_a 136) (<= 136 proc_a)), 89069#(and (<= 142 proc_a) (<= proc_a 142)), 89068#(and (<= proc_a 140) (<= 140 proc_a)), 89071#(and (<= proc_a 146) (<= 146 proc_a)), 89070#(and (<= 144 proc_a) (<= proc_a 144)), 89073#(and (<= proc_a 150) (<= 150 proc_a)), 89072#(and (<= 148 proc_a) (<= proc_a 148)), 89075#(and (<= 154 proc_a) (<= proc_a 154)), 89074#(and (<= proc_a 152) (<= 152 proc_a)), 89077#(and (<= proc_a 158) (<= 158 proc_a)), 89076#(and (<= 156 proc_a) (<= proc_a 156)), 89079#(and (<= proc_a 162) (<= 162 proc_a)), 89078#(and (<= 160 proc_a) (<= proc_a 160)), 89081#(and (<= 166 proc_a) (<= proc_a 166)), 89080#(and (<= 164 proc_a) (<= proc_a 164)), 89083#(and (<= 170 proc_a) (<= proc_a 170)), 89082#(and (<= 168 proc_a) (<= proc_a 168)), 89085#(and (<= proc_a 174) (<= 174 proc_a)), 89084#(and (<= 172 proc_a) (<= proc_a 172)), 89087#(and (<= 178 proc_a) (<= proc_a 178)), 89086#(and (<= 176 proc_a) (<= proc_a 176))] [2018-07-23 13:54:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:16,164 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:54:16,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:54:16,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=373, Invalid=34783, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:54:16,165 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand 188 states. [2018-07-23 13:54:17,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:17,955 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2018-07-23 13:54:17,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:54:17,955 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 187 [2018-07-23 13:54:17,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:17,956 INFO L225 Difference]: With dead ends: 190 [2018-07-23 13:54:17,956 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:54:17,957 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=373, Invalid=34783, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:54:17,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:54:17,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:54:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:54:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:54:17,964 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 187 [2018-07-23 13:54:17,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:17,964 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:54:17,964 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:54:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:54:17,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:54:17,964 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:17,965 INFO L357 BasicCegarLoop]: trace histogram [186, 1, 1] [2018-07-23 13:54:17,965 INFO L414 AbstractCegarLoop]: === Iteration 187 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:17,965 INFO L82 PathProgramCache]: Analyzing trace with hash -506138105, now seen corresponding path program 186 times [2018-07-23 13:54:17,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 17391 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:19,401 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:19,401 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:54:19,401 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:19,402 INFO L185 omatonBuilderFactory]: Interpolants [90113#(and (<= proc_a 338) (<= 338 proc_a)), 90112#(and (<= 336 proc_a) (<= proc_a 336)), 90115#(and (<= 342 proc_a) (<= proc_a 342)), 90114#(and (<= proc_a 340) (<= 340 proc_a)), 90117#(and (<= proc_a 346) (<= 346 proc_a)), 90116#(and (<= 344 proc_a) (<= proc_a 344)), 90119#(and (<= proc_a 350) (<= 350 proc_a)), 90118#(and (<= 348 proc_a) (<= proc_a 348)), 90121#(and (<= proc_a 354) (<= 354 proc_a)), 90120#(and (<= 352 proc_a) (<= proc_a 352)), 90123#(and (<= 358 proc_a) (<= proc_a 358)), 90122#(and (<= proc_a 356) (<= 356 proc_a)), 90125#(and (<= proc_a 362) (<= 362 proc_a)), 90124#(and (<= proc_a 360) (<= 360 proc_a)), 90127#(and (<= 366 proc_a) (<= proc_a 366)), 90126#(and (<= proc_a 364) (<= 364 proc_a)), 90129#(and (<= 370 proc_a) (<= proc_a 370)), 90128#(and (<= proc_a 368) (<= 368 proc_a)), 90130#(and (<= 372 proc_a) (<= proc_a 372)), 89943#false, 89942#true, 89945#(and (<= 2 proc_a) (<= proc_a 2)), 89944#(and (<= proc_a 0) (<= 0 proc_a)), 89947#(and (<= 6 proc_a) (<= proc_a 6)), 89946#(and (<= 4 proc_a) (<= proc_a 4)), 89949#(and (<= 10 proc_a) (<= proc_a 10)), 89948#(and (<= proc_a 8) (<= 8 proc_a)), 89951#(and (<= 14 proc_a) (<= proc_a 14)), 89950#(and (<= proc_a 12) (<= 12 proc_a)), 89953#(and (<= 18 proc_a) (<= proc_a 18)), 89952#(and (<= proc_a 16) (<= 16 proc_a)), 89955#(and (<= 22 proc_a) (<= proc_a 22)), 89954#(and (<= 20 proc_a) (<= proc_a 20)), 89957#(and (<= 26 proc_a) (<= proc_a 26)), 89956#(and (<= 24 proc_a) (<= proc_a 24)), 89959#(and (<= proc_a 30) (<= 30 proc_a)), 89958#(and (<= proc_a 28) (<= 28 proc_a)), 89961#(and (<= 34 proc_a) (<= proc_a 34)), 89960#(and (<= 32 proc_a) (<= proc_a 32)), 89963#(and (<= 38 proc_a) (<= proc_a 38)), 89962#(and (<= 36 proc_a) (<= proc_a 36)), 89965#(and (<= proc_a 42) (<= 42 proc_a)), 89964#(and (<= 40 proc_a) (<= proc_a 40)), 89967#(and (<= proc_a 46) (<= 46 proc_a)), 89966#(and (<= proc_a 44) (<= 44 proc_a)), 89969#(and (<= 50 proc_a) (<= proc_a 50)), 89968#(and (<= 48 proc_a) (<= proc_a 48)), 89971#(and (<= 54 proc_a) (<= proc_a 54)), 89970#(and (<= 52 proc_a) (<= proc_a 52)), 89973#(and (<= proc_a 58) (<= 58 proc_a)), 89972#(and (<= proc_a 56) (<= 56 proc_a)), 89975#(and (<= 62 proc_a) (<= proc_a 62)), 89974#(and (<= 60 proc_a) (<= proc_a 60)), 89977#(and (<= 66 proc_a) (<= proc_a 66)), 89976#(and (<= 64 proc_a) (<= proc_a 64)), 89979#(and (<= proc_a 70) (<= 70 proc_a)), 89978#(and (<= 68 proc_a) (<= proc_a 68)), 89981#(and (<= proc_a 74) (<= 74 proc_a)), 89980#(and (<= 72 proc_a) (<= proc_a 72)), 89983#(and (<= 78 proc_a) (<= proc_a 78)), 89982#(and (<= proc_a 76) (<= 76 proc_a)), 89985#(and (<= 82 proc_a) (<= proc_a 82)), 89984#(and (<= proc_a 80) (<= 80 proc_a)), 89987#(and (<= 86 proc_a) (<= proc_a 86)), 89986#(and (<= proc_a 84) (<= 84 proc_a)), 89989#(and (<= proc_a 90) (<= 90 proc_a)), 89988#(and (<= 88 proc_a) (<= proc_a 88)), 89991#(and (<= proc_a 94) (<= 94 proc_a)), 89990#(and (<= 92 proc_a) (<= proc_a 92)), 89993#(and (<= 98 proc_a) (<= proc_a 98)), 89992#(and (<= proc_a 96) (<= 96 proc_a)), 89995#(and (<= 102 proc_a) (<= proc_a 102)), 89994#(and (<= proc_a 100) (<= 100 proc_a)), 89997#(and (<= 106 proc_a) (<= proc_a 106)), 89996#(and (<= proc_a 104) (<= 104 proc_a)), 89999#(and (<= proc_a 110) (<= 110 proc_a)), 89998#(and (<= proc_a 108) (<= 108 proc_a)), 90001#(and (<= 114 proc_a) (<= proc_a 114)), 90000#(and (<= proc_a 112) (<= 112 proc_a)), 90003#(and (<= proc_a 118) (<= 118 proc_a)), 90002#(and (<= 116 proc_a) (<= proc_a 116)), 90005#(and (<= proc_a 122) (<= 122 proc_a)), 90004#(and (<= 120 proc_a) (<= proc_a 120)), 90007#(and (<= proc_a 126) (<= 126 proc_a)), 90006#(and (<= proc_a 124) (<= 124 proc_a)), 90009#(and (<= proc_a 130) (<= 130 proc_a)), 90008#(and (<= 128 proc_a) (<= proc_a 128)), 90011#(and (<= proc_a 134) (<= 134 proc_a)), 90010#(and (<= 132 proc_a) (<= proc_a 132)), 90013#(and (<= proc_a 138) (<= 138 proc_a)), 90012#(and (<= proc_a 136) (<= 136 proc_a)), 90015#(and (<= 142 proc_a) (<= proc_a 142)), 90014#(and (<= proc_a 140) (<= 140 proc_a)), 90017#(and (<= proc_a 146) (<= 146 proc_a)), 90016#(and (<= 144 proc_a) (<= proc_a 144)), 90019#(and (<= proc_a 150) (<= 150 proc_a)), 90018#(and (<= 148 proc_a) (<= proc_a 148)), 90021#(and (<= 154 proc_a) (<= proc_a 154)), 90020#(and (<= proc_a 152) (<= 152 proc_a)), 90023#(and (<= proc_a 158) (<= 158 proc_a)), 90022#(and (<= 156 proc_a) (<= proc_a 156)), 90025#(and (<= proc_a 162) (<= 162 proc_a)), 90024#(and (<= 160 proc_a) (<= proc_a 160)), 90027#(and (<= 166 proc_a) (<= proc_a 166)), 90026#(and (<= 164 proc_a) (<= proc_a 164)), 90029#(and (<= 170 proc_a) (<= proc_a 170)), 90028#(and (<= 168 proc_a) (<= proc_a 168)), 90031#(and (<= proc_a 174) (<= 174 proc_a)), 90030#(and (<= 172 proc_a) (<= proc_a 172)), 90033#(and (<= 178 proc_a) (<= proc_a 178)), 90032#(and (<= 176 proc_a) (<= proc_a 176)), 90035#(and (<= proc_a 182) (<= 182 proc_a)), 90034#(and (<= proc_a 180) (<= 180 proc_a)), 90037#(and (<= 186 proc_a) (<= proc_a 186)), 90036#(and (<= 184 proc_a) (<= proc_a 184)), 90039#(and (<= 190 proc_a) (<= proc_a 190)), 90038#(and (<= 188 proc_a) (<= proc_a 188)), 90041#(and (<= 194 proc_a) (<= proc_a 194)), 90040#(and (<= proc_a 192) (<= 192 proc_a)), 90043#(and (<= 198 proc_a) (<= proc_a 198)), 90042#(and (<= proc_a 196) (<= 196 proc_a)), 90045#(and (<= proc_a 202) (<= 202 proc_a)), 90044#(and (<= proc_a 200) (<= 200 proc_a)), 90047#(and (<= 206 proc_a) (<= proc_a 206)), 90046#(and (<= 204 proc_a) (<= proc_a 204)), 90049#(and (<= proc_a 210) (<= 210 proc_a)), 90048#(and (<= 208 proc_a) (<= proc_a 208)), 90051#(and (<= 214 proc_a) (<= proc_a 214)), 90050#(and (<= proc_a 212) (<= 212 proc_a)), 90053#(and (<= proc_a 218) (<= 218 proc_a)), 90052#(and (<= 216 proc_a) (<= proc_a 216)), 90055#(and (<= 222 proc_a) (<= proc_a 222)), 90054#(and (<= proc_a 220) (<= 220 proc_a)), 90057#(and (<= proc_a 226) (<= 226 proc_a)), 90056#(and (<= 224 proc_a) (<= proc_a 224)), 90059#(and (<= proc_a 230) (<= 230 proc_a)), 90058#(and (<= 228 proc_a) (<= proc_a 228)), 90061#(and (<= proc_a 234) (<= 234 proc_a)), 90060#(and (<= 232 proc_a) (<= proc_a 232)), 90063#(and (<= 238 proc_a) (<= proc_a 238)), 90062#(and (<= proc_a 236) (<= 236 proc_a)), 90065#(and (<= proc_a 242) (<= 242 proc_a)), 90064#(and (<= 240 proc_a) (<= proc_a 240)), 90067#(and (<= proc_a 246) (<= 246 proc_a)), 90066#(and (<= proc_a 244) (<= 244 proc_a)), 90069#(and (<= proc_a 250) (<= 250 proc_a)), 90068#(and (<= 248 proc_a) (<= proc_a 248)), 90071#(and (<= 254 proc_a) (<= proc_a 254)), 90070#(and (<= 252 proc_a) (<= proc_a 252)), 90073#(and (<= 258 proc_a) (<= proc_a 258)), 90072#(and (<= proc_a 256) (<= 256 proc_a)), 90075#(and (<= 262 proc_a) (<= proc_a 262)), 90074#(and (<= proc_a 260) (<= 260 proc_a)), 90077#(and (<= 266 proc_a) (<= proc_a 266)), 90076#(and (<= proc_a 264) (<= 264 proc_a)), 90079#(and (<= proc_a 270) (<= 270 proc_a)), 90078#(and (<= proc_a 268) (<= 268 proc_a)), 90081#(and (<= proc_a 274) (<= 274 proc_a)), 90080#(and (<= proc_a 272) (<= 272 proc_a)), 90083#(and (<= proc_a 278) (<= 278 proc_a)), 90082#(and (<= proc_a 276) (<= 276 proc_a)), 90085#(and (<= proc_a 282) (<= 282 proc_a)), 90084#(and (<= proc_a 280) (<= 280 proc_a)), 90087#(and (<= proc_a 286) (<= 286 proc_a)), 90086#(and (<= proc_a 284) (<= 284 proc_a)), 90089#(and (<= proc_a 290) (<= 290 proc_a)), 90088#(and (<= proc_a 288) (<= 288 proc_a)), 90091#(and (<= 294 proc_a) (<= proc_a 294)), 90090#(and (<= proc_a 292) (<= 292 proc_a)), 90093#(and (<= 298 proc_a) (<= proc_a 298)), 90092#(and (<= 296 proc_a) (<= proc_a 296)), 90095#(and (<= proc_a 302) (<= 302 proc_a)), 90094#(and (<= proc_a 300) (<= 300 proc_a)), 90097#(and (<= 306 proc_a) (<= proc_a 306)), 90096#(and (<= proc_a 304) (<= 304 proc_a)), 90099#(and (<= proc_a 310) (<= 310 proc_a)), 90098#(and (<= 308 proc_a) (<= proc_a 308)), 90101#(and (<= proc_a 314) (<= 314 proc_a)), 90100#(and (<= proc_a 312) (<= 312 proc_a)), 90103#(and (<= 318 proc_a) (<= proc_a 318)), 90102#(and (<= 316 proc_a) (<= proc_a 316)), 90105#(and (<= proc_a 322) (<= 322 proc_a)), 90104#(and (<= proc_a 320) (<= 320 proc_a)), 90107#(and (<= proc_a 326) (<= 326 proc_a)), 90106#(and (<= 324 proc_a) (<= proc_a 324)), 90109#(and (<= proc_a 330) (<= 330 proc_a)), 90108#(and (<= proc_a 328) (<= 328 proc_a)), 90111#(and (<= 334 proc_a) (<= proc_a 334)), 90110#(and (<= proc_a 332) (<= 332 proc_a))] [2018-07-23 13:54:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 17391 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:19,402 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:54:19,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:54:19,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=375, Invalid=35157, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:54:19,403 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 189 states. [2018-07-23 13:54:21,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:21,176 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:54:21,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:54:21,176 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 188 [2018-07-23 13:54:21,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:21,177 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:54:21,177 INFO L226 Difference]: Without dead ends: 190 [2018-07-23 13:54:21,177 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=375, Invalid=35157, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:54:21,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-07-23 13:54:21,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-07-23 13:54:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-07-23 13:54:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 190 transitions. [2018-07-23 13:54:21,182 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 190 transitions. Word has length 188 [2018-07-23 13:54:21,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:21,183 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 190 transitions. [2018-07-23 13:54:21,183 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:54:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 190 transitions. [2018-07-23 13:54:21,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-07-23 13:54:21,183 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:21,183 INFO L357 BasicCegarLoop]: trace histogram [187, 1, 1] [2018-07-23 13:54:21,183 INFO L414 AbstractCegarLoop]: === Iteration 188 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:21,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1489587873, now seen corresponding path program 187 times [2018-07-23 13:54:21,184 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 17578 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,624 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:22,624 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:54:22,625 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,625 INFO L185 omatonBuilderFactory]: Interpolants [90893#true, 90895#(and (<= proc_a 0) (<= 0 proc_a)), 90894#false, 90897#(and (<= 4 proc_a) (<= proc_a 4)), 90896#(and (<= 2 proc_a) (<= proc_a 2)), 90899#(and (<= proc_a 8) (<= 8 proc_a)), 90898#(and (<= 6 proc_a) (<= proc_a 6)), 90901#(and (<= proc_a 12) (<= 12 proc_a)), 90900#(and (<= 10 proc_a) (<= proc_a 10)), 90903#(and (<= proc_a 16) (<= 16 proc_a)), 90902#(and (<= 14 proc_a) (<= proc_a 14)), 90905#(and (<= 20 proc_a) (<= proc_a 20)), 90904#(and (<= 18 proc_a) (<= proc_a 18)), 90907#(and (<= 24 proc_a) (<= proc_a 24)), 90906#(and (<= 22 proc_a) (<= proc_a 22)), 90909#(and (<= proc_a 28) (<= 28 proc_a)), 90908#(and (<= 26 proc_a) (<= proc_a 26)), 90911#(and (<= 32 proc_a) (<= proc_a 32)), 90910#(and (<= proc_a 30) (<= 30 proc_a)), 90913#(and (<= 36 proc_a) (<= proc_a 36)), 90912#(and (<= 34 proc_a) (<= proc_a 34)), 90915#(and (<= 40 proc_a) (<= proc_a 40)), 90914#(and (<= 38 proc_a) (<= proc_a 38)), 90917#(and (<= proc_a 44) (<= 44 proc_a)), 90916#(and (<= proc_a 42) (<= 42 proc_a)), 90919#(and (<= 48 proc_a) (<= proc_a 48)), 90918#(and (<= proc_a 46) (<= 46 proc_a)), 90921#(and (<= 52 proc_a) (<= proc_a 52)), 90920#(and (<= 50 proc_a) (<= proc_a 50)), 90923#(and (<= proc_a 56) (<= 56 proc_a)), 90922#(and (<= 54 proc_a) (<= proc_a 54)), 90925#(and (<= 60 proc_a) (<= proc_a 60)), 90924#(and (<= proc_a 58) (<= 58 proc_a)), 90927#(and (<= 64 proc_a) (<= proc_a 64)), 90926#(and (<= 62 proc_a) (<= proc_a 62)), 90929#(and (<= 68 proc_a) (<= proc_a 68)), 90928#(and (<= 66 proc_a) (<= proc_a 66)), 90931#(and (<= 72 proc_a) (<= proc_a 72)), 90930#(and (<= proc_a 70) (<= 70 proc_a)), 90933#(and (<= proc_a 76) (<= 76 proc_a)), 90932#(and (<= proc_a 74) (<= 74 proc_a)), 90935#(and (<= proc_a 80) (<= 80 proc_a)), 90934#(and (<= 78 proc_a) (<= proc_a 78)), 90937#(and (<= proc_a 84) (<= 84 proc_a)), 90936#(and (<= 82 proc_a) (<= proc_a 82)), 90939#(and (<= 88 proc_a) (<= proc_a 88)), 90938#(and (<= 86 proc_a) (<= proc_a 86)), 90941#(and (<= 92 proc_a) (<= proc_a 92)), 90940#(and (<= proc_a 90) (<= 90 proc_a)), 90943#(and (<= proc_a 96) (<= 96 proc_a)), 90942#(and (<= proc_a 94) (<= 94 proc_a)), 90945#(and (<= proc_a 100) (<= 100 proc_a)), 90944#(and (<= 98 proc_a) (<= proc_a 98)), 90947#(and (<= proc_a 104) (<= 104 proc_a)), 90946#(and (<= 102 proc_a) (<= proc_a 102)), 90949#(and (<= proc_a 108) (<= 108 proc_a)), 90948#(and (<= 106 proc_a) (<= proc_a 106)), 90951#(and (<= proc_a 112) (<= 112 proc_a)), 90950#(and (<= proc_a 110) (<= 110 proc_a)), 90953#(and (<= 116 proc_a) (<= proc_a 116)), 90952#(and (<= 114 proc_a) (<= proc_a 114)), 90955#(and (<= 120 proc_a) (<= proc_a 120)), 90954#(and (<= proc_a 118) (<= 118 proc_a)), 90957#(and (<= proc_a 124) (<= 124 proc_a)), 90956#(and (<= proc_a 122) (<= 122 proc_a)), 90959#(and (<= 128 proc_a) (<= proc_a 128)), 90958#(and (<= proc_a 126) (<= 126 proc_a)), 90961#(and (<= 132 proc_a) (<= proc_a 132)), 90960#(and (<= proc_a 130) (<= 130 proc_a)), 90963#(and (<= proc_a 136) (<= 136 proc_a)), 90962#(and (<= proc_a 134) (<= 134 proc_a)), 90965#(and (<= proc_a 140) (<= 140 proc_a)), 90964#(and (<= proc_a 138) (<= 138 proc_a)), 90967#(and (<= 144 proc_a) (<= proc_a 144)), 90966#(and (<= 142 proc_a) (<= proc_a 142)), 90969#(and (<= 148 proc_a) (<= proc_a 148)), 90968#(and (<= proc_a 146) (<= 146 proc_a)), 90971#(and (<= proc_a 152) (<= 152 proc_a)), 90970#(and (<= proc_a 150) (<= 150 proc_a)), 90973#(and (<= 156 proc_a) (<= proc_a 156)), 90972#(and (<= 154 proc_a) (<= proc_a 154)), 90975#(and (<= 160 proc_a) (<= proc_a 160)), 90974#(and (<= proc_a 158) (<= 158 proc_a)), 90977#(and (<= 164 proc_a) (<= proc_a 164)), 90976#(and (<= proc_a 162) (<= 162 proc_a)), 90979#(and (<= 168 proc_a) (<= proc_a 168)), 90978#(and (<= 166 proc_a) (<= proc_a 166)), 90981#(and (<= 172 proc_a) (<= proc_a 172)), 90980#(and (<= 170 proc_a) (<= proc_a 170)), 90983#(and (<= 176 proc_a) (<= proc_a 176)), 90982#(and (<= proc_a 174) (<= 174 proc_a)), 90985#(and (<= proc_a 180) (<= 180 proc_a)), 90984#(and (<= 178 proc_a) (<= proc_a 178)), 90987#(and (<= 184 proc_a) (<= proc_a 184)), 90986#(and (<= proc_a 182) (<= 182 proc_a)), 90989#(and (<= 188 proc_a) (<= proc_a 188)), 90988#(and (<= 186 proc_a) (<= proc_a 186)), 90991#(and (<= proc_a 192) (<= 192 proc_a)), 90990#(and (<= 190 proc_a) (<= proc_a 190)), 90993#(and (<= proc_a 196) (<= 196 proc_a)), 90992#(and (<= 194 proc_a) (<= proc_a 194)), 90995#(and (<= proc_a 200) (<= 200 proc_a)), 90994#(and (<= 198 proc_a) (<= proc_a 198)), 90997#(and (<= 204 proc_a) (<= proc_a 204)), 90996#(and (<= proc_a 202) (<= 202 proc_a)), 90999#(and (<= 208 proc_a) (<= proc_a 208)), 90998#(and (<= 206 proc_a) (<= proc_a 206)), 91001#(and (<= proc_a 212) (<= 212 proc_a)), 91000#(and (<= proc_a 210) (<= 210 proc_a)), 91003#(and (<= 216 proc_a) (<= proc_a 216)), 91002#(and (<= 214 proc_a) (<= proc_a 214)), 91005#(and (<= proc_a 220) (<= 220 proc_a)), 91004#(and (<= proc_a 218) (<= 218 proc_a)), 91007#(and (<= 224 proc_a) (<= proc_a 224)), 91006#(and (<= 222 proc_a) (<= proc_a 222)), 91009#(and (<= 228 proc_a) (<= proc_a 228)), 91008#(and (<= proc_a 226) (<= 226 proc_a)), 91011#(and (<= 232 proc_a) (<= proc_a 232)), 91010#(and (<= proc_a 230) (<= 230 proc_a)), 91013#(and (<= proc_a 236) (<= 236 proc_a)), 91012#(and (<= proc_a 234) (<= 234 proc_a)), 91015#(and (<= 240 proc_a) (<= proc_a 240)), 91014#(and (<= 238 proc_a) (<= proc_a 238)), 91017#(and (<= proc_a 244) (<= 244 proc_a)), 91016#(and (<= proc_a 242) (<= 242 proc_a)), 91019#(and (<= 248 proc_a) (<= proc_a 248)), 91018#(and (<= proc_a 246) (<= 246 proc_a)), 91021#(and (<= 252 proc_a) (<= proc_a 252)), 91020#(and (<= proc_a 250) (<= 250 proc_a)), 91023#(and (<= proc_a 256) (<= 256 proc_a)), 91022#(and (<= 254 proc_a) (<= proc_a 254)), 91025#(and (<= proc_a 260) (<= 260 proc_a)), 91024#(and (<= 258 proc_a) (<= proc_a 258)), 91027#(and (<= proc_a 264) (<= 264 proc_a)), 91026#(and (<= 262 proc_a) (<= proc_a 262)), 91029#(and (<= proc_a 268) (<= 268 proc_a)), 91028#(and (<= 266 proc_a) (<= proc_a 266)), 91031#(and (<= proc_a 272) (<= 272 proc_a)), 91030#(and (<= proc_a 270) (<= 270 proc_a)), 91033#(and (<= proc_a 276) (<= 276 proc_a)), 91032#(and (<= proc_a 274) (<= 274 proc_a)), 91035#(and (<= proc_a 280) (<= 280 proc_a)), 91034#(and (<= proc_a 278) (<= 278 proc_a)), 91037#(and (<= proc_a 284) (<= 284 proc_a)), 91036#(and (<= proc_a 282) (<= 282 proc_a)), 91039#(and (<= proc_a 288) (<= 288 proc_a)), 91038#(and (<= proc_a 286) (<= 286 proc_a)), 91041#(and (<= proc_a 292) (<= 292 proc_a)), 91040#(and (<= proc_a 290) (<= 290 proc_a)), 91043#(and (<= 296 proc_a) (<= proc_a 296)), 91042#(and (<= 294 proc_a) (<= proc_a 294)), 91045#(and (<= proc_a 300) (<= 300 proc_a)), 91044#(and (<= 298 proc_a) (<= proc_a 298)), 91047#(and (<= proc_a 304) (<= 304 proc_a)), 91046#(and (<= proc_a 302) (<= 302 proc_a)), 91049#(and (<= 308 proc_a) (<= proc_a 308)), 91048#(and (<= 306 proc_a) (<= proc_a 306)), 91051#(and (<= proc_a 312) (<= 312 proc_a)), 91050#(and (<= proc_a 310) (<= 310 proc_a)), 91053#(and (<= 316 proc_a) (<= proc_a 316)), 91052#(and (<= proc_a 314) (<= 314 proc_a)), 91055#(and (<= proc_a 320) (<= 320 proc_a)), 91054#(and (<= 318 proc_a) (<= proc_a 318)), 91057#(and (<= 324 proc_a) (<= proc_a 324)), 91056#(and (<= proc_a 322) (<= 322 proc_a)), 91059#(and (<= proc_a 328) (<= 328 proc_a)), 91058#(and (<= proc_a 326) (<= 326 proc_a)), 91061#(and (<= proc_a 332) (<= 332 proc_a)), 91060#(and (<= proc_a 330) (<= 330 proc_a)), 91063#(and (<= 336 proc_a) (<= proc_a 336)), 91062#(and (<= 334 proc_a) (<= proc_a 334)), 91065#(and (<= proc_a 340) (<= 340 proc_a)), 91064#(and (<= proc_a 338) (<= 338 proc_a)), 91067#(and (<= 344 proc_a) (<= proc_a 344)), 91066#(and (<= 342 proc_a) (<= proc_a 342)), 91069#(and (<= 348 proc_a) (<= proc_a 348)), 91068#(and (<= proc_a 346) (<= 346 proc_a)), 91071#(and (<= 352 proc_a) (<= proc_a 352)), 91070#(and (<= proc_a 350) (<= 350 proc_a)), 91073#(and (<= proc_a 356) (<= 356 proc_a)), 91072#(and (<= proc_a 354) (<= 354 proc_a)), 91075#(and (<= proc_a 360) (<= 360 proc_a)), 91074#(and (<= 358 proc_a) (<= proc_a 358)), 91077#(and (<= proc_a 364) (<= 364 proc_a)), 91076#(and (<= proc_a 362) (<= 362 proc_a)), 91079#(and (<= proc_a 368) (<= 368 proc_a)), 91078#(and (<= 366 proc_a) (<= proc_a 366)), 91081#(and (<= 372 proc_a) (<= proc_a 372)), 91080#(and (<= 370 proc_a) (<= proc_a 370)), 91082#(and (<= proc_a 374) (<= 374 proc_a))] [2018-07-23 13:54:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 17578 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:22,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:54:22,627 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:54:22,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=35533, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:54:22,629 INFO L87 Difference]: Start difference. First operand 190 states and 190 transitions. Second operand 190 states. [2018-07-23 13:54:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:24,474 INFO L93 Difference]: Finished difference Result 192 states and 192 transitions. [2018-07-23 13:54:24,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:54:24,474 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 189 [2018-07-23 13:54:24,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:24,475 INFO L225 Difference]: With dead ends: 192 [2018-07-23 13:54:24,475 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:54:24,475 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=377, Invalid=35533, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:54:24,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:54:24,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:54:24,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:54:24,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:54:24,480 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 189 [2018-07-23 13:54:24,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:24,481 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:54:24,481 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:54:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:54:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:54:24,481 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:24,481 INFO L357 BasicCegarLoop]: trace histogram [188, 1, 1] [2018-07-23 13:54:24,481 INFO L414 AbstractCegarLoop]: === Iteration 189 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:24,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1067416249, now seen corresponding path program 188 times [2018-07-23 13:54:24,482 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,936 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:25,936 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:54:25,936 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,937 INFO L185 omatonBuilderFactory]: Interpolants [91905#(and (<= proc_a 108) (<= 108 proc_a)), 91904#(and (<= 106 proc_a) (<= proc_a 106)), 91907#(and (<= proc_a 112) (<= 112 proc_a)), 91906#(and (<= proc_a 110) (<= 110 proc_a)), 91909#(and (<= 116 proc_a) (<= proc_a 116)), 91908#(and (<= 114 proc_a) (<= proc_a 114)), 91911#(and (<= 120 proc_a) (<= proc_a 120)), 91910#(and (<= proc_a 118) (<= 118 proc_a)), 91913#(and (<= proc_a 124) (<= 124 proc_a)), 91912#(and (<= proc_a 122) (<= 122 proc_a)), 91915#(and (<= 128 proc_a) (<= proc_a 128)), 91914#(and (<= proc_a 126) (<= 126 proc_a)), 91917#(and (<= 132 proc_a) (<= proc_a 132)), 91916#(and (<= proc_a 130) (<= 130 proc_a)), 91919#(and (<= proc_a 136) (<= 136 proc_a)), 91918#(and (<= proc_a 134) (<= 134 proc_a)), 91921#(and (<= proc_a 140) (<= 140 proc_a)), 91920#(and (<= proc_a 138) (<= 138 proc_a)), 91923#(and (<= 144 proc_a) (<= proc_a 144)), 91922#(and (<= 142 proc_a) (<= proc_a 142)), 91925#(and (<= 148 proc_a) (<= proc_a 148)), 91924#(and (<= proc_a 146) (<= 146 proc_a)), 91927#(and (<= proc_a 152) (<= 152 proc_a)), 91926#(and (<= proc_a 150) (<= 150 proc_a)), 91929#(and (<= 156 proc_a) (<= proc_a 156)), 91928#(and (<= 154 proc_a) (<= proc_a 154)), 91931#(and (<= 160 proc_a) (<= proc_a 160)), 91930#(and (<= proc_a 158) (<= 158 proc_a)), 91933#(and (<= 164 proc_a) (<= proc_a 164)), 91932#(and (<= proc_a 162) (<= 162 proc_a)), 91935#(and (<= 168 proc_a) (<= proc_a 168)), 91934#(and (<= 166 proc_a) (<= proc_a 166)), 91937#(and (<= 172 proc_a) (<= proc_a 172)), 91936#(and (<= 170 proc_a) (<= proc_a 170)), 91939#(and (<= 176 proc_a) (<= proc_a 176)), 91938#(and (<= proc_a 174) (<= 174 proc_a)), 91941#(and (<= proc_a 180) (<= 180 proc_a)), 91940#(and (<= 178 proc_a) (<= proc_a 178)), 91943#(and (<= 184 proc_a) (<= proc_a 184)), 91942#(and (<= proc_a 182) (<= 182 proc_a)), 91945#(and (<= 188 proc_a) (<= proc_a 188)), 91944#(and (<= 186 proc_a) (<= proc_a 186)), 91947#(and (<= proc_a 192) (<= 192 proc_a)), 91946#(and (<= 190 proc_a) (<= proc_a 190)), 91949#(and (<= proc_a 196) (<= 196 proc_a)), 91948#(and (<= 194 proc_a) (<= proc_a 194)), 91951#(and (<= proc_a 200) (<= 200 proc_a)), 91950#(and (<= 198 proc_a) (<= proc_a 198)), 91953#(and (<= 204 proc_a) (<= proc_a 204)), 91952#(and (<= proc_a 202) (<= 202 proc_a)), 91955#(and (<= 208 proc_a) (<= proc_a 208)), 91954#(and (<= 206 proc_a) (<= proc_a 206)), 91957#(and (<= proc_a 212) (<= 212 proc_a)), 91956#(and (<= proc_a 210) (<= 210 proc_a)), 91959#(and (<= 216 proc_a) (<= proc_a 216)), 91958#(and (<= 214 proc_a) (<= proc_a 214)), 91961#(and (<= proc_a 220) (<= 220 proc_a)), 91960#(and (<= proc_a 218) (<= 218 proc_a)), 91963#(and (<= 224 proc_a) (<= proc_a 224)), 91962#(and (<= 222 proc_a) (<= proc_a 222)), 91965#(and (<= 228 proc_a) (<= proc_a 228)), 91964#(and (<= proc_a 226) (<= 226 proc_a)), 91967#(and (<= 232 proc_a) (<= proc_a 232)), 91966#(and (<= proc_a 230) (<= 230 proc_a)), 91969#(and (<= proc_a 236) (<= 236 proc_a)), 91968#(and (<= proc_a 234) (<= 234 proc_a)), 91971#(and (<= 240 proc_a) (<= proc_a 240)), 91970#(and (<= 238 proc_a) (<= proc_a 238)), 91973#(and (<= proc_a 244) (<= 244 proc_a)), 91972#(and (<= proc_a 242) (<= 242 proc_a)), 91975#(and (<= 248 proc_a) (<= proc_a 248)), 91974#(and (<= proc_a 246) (<= 246 proc_a)), 91977#(and (<= 252 proc_a) (<= proc_a 252)), 91976#(and (<= proc_a 250) (<= 250 proc_a)), 91979#(and (<= proc_a 256) (<= 256 proc_a)), 91978#(and (<= 254 proc_a) (<= proc_a 254)), 91981#(and (<= proc_a 260) (<= 260 proc_a)), 91980#(and (<= 258 proc_a) (<= proc_a 258)), 91983#(and (<= proc_a 264) (<= 264 proc_a)), 91982#(and (<= 262 proc_a) (<= proc_a 262)), 91985#(and (<= proc_a 268) (<= 268 proc_a)), 91984#(and (<= 266 proc_a) (<= proc_a 266)), 91987#(and (<= proc_a 272) (<= 272 proc_a)), 91986#(and (<= proc_a 270) (<= 270 proc_a)), 91989#(and (<= proc_a 276) (<= 276 proc_a)), 91988#(and (<= proc_a 274) (<= 274 proc_a)), 91991#(and (<= proc_a 280) (<= 280 proc_a)), 91990#(and (<= proc_a 278) (<= 278 proc_a)), 91993#(and (<= proc_a 284) (<= 284 proc_a)), 91992#(and (<= proc_a 282) (<= 282 proc_a)), 91995#(and (<= proc_a 288) (<= 288 proc_a)), 91994#(and (<= proc_a 286) (<= 286 proc_a)), 91997#(and (<= proc_a 292) (<= 292 proc_a)), 91996#(and (<= proc_a 290) (<= 290 proc_a)), 91999#(and (<= 296 proc_a) (<= proc_a 296)), 91998#(and (<= 294 proc_a) (<= proc_a 294)), 92001#(and (<= proc_a 300) (<= 300 proc_a)), 92000#(and (<= 298 proc_a) (<= proc_a 298)), 92003#(and (<= proc_a 304) (<= 304 proc_a)), 92002#(and (<= proc_a 302) (<= 302 proc_a)), 92005#(and (<= 308 proc_a) (<= proc_a 308)), 92004#(and (<= 306 proc_a) (<= proc_a 306)), 92007#(and (<= proc_a 312) (<= 312 proc_a)), 92006#(and (<= proc_a 310) (<= 310 proc_a)), 92009#(and (<= 316 proc_a) (<= proc_a 316)), 92008#(and (<= proc_a 314) (<= 314 proc_a)), 92011#(and (<= proc_a 320) (<= 320 proc_a)), 92010#(and (<= 318 proc_a) (<= proc_a 318)), 92013#(and (<= 324 proc_a) (<= proc_a 324)), 92012#(and (<= proc_a 322) (<= 322 proc_a)), 92015#(and (<= proc_a 328) (<= 328 proc_a)), 92014#(and (<= proc_a 326) (<= 326 proc_a)), 92017#(and (<= proc_a 332) (<= 332 proc_a)), 92016#(and (<= proc_a 330) (<= 330 proc_a)), 92019#(and (<= 336 proc_a) (<= proc_a 336)), 92018#(and (<= 334 proc_a) (<= proc_a 334)), 92021#(and (<= proc_a 340) (<= 340 proc_a)), 92020#(and (<= proc_a 338) (<= 338 proc_a)), 92023#(and (<= 344 proc_a) (<= proc_a 344)), 92022#(and (<= 342 proc_a) (<= proc_a 342)), 92025#(and (<= 348 proc_a) (<= proc_a 348)), 92024#(and (<= proc_a 346) (<= 346 proc_a)), 92027#(and (<= 352 proc_a) (<= proc_a 352)), 92026#(and (<= proc_a 350) (<= 350 proc_a)), 92029#(and (<= proc_a 356) (<= 356 proc_a)), 92028#(and (<= proc_a 354) (<= 354 proc_a)), 92031#(and (<= proc_a 360) (<= 360 proc_a)), 92030#(and (<= 358 proc_a) (<= proc_a 358)), 92033#(and (<= proc_a 364) (<= 364 proc_a)), 92032#(and (<= proc_a 362) (<= 362 proc_a)), 92035#(and (<= proc_a 368) (<= 368 proc_a)), 92034#(and (<= 366 proc_a) (<= proc_a 366)), 92037#(and (<= 372 proc_a) (<= proc_a 372)), 92036#(and (<= 370 proc_a) (<= proc_a 370)), 92039#(and (<= 376 proc_a) (<= proc_a 376)), 92038#(and (<= proc_a 374) (<= 374 proc_a)), 91849#true, 91851#(and (<= proc_a 0) (<= 0 proc_a)), 91850#false, 91853#(and (<= 4 proc_a) (<= proc_a 4)), 91852#(and (<= 2 proc_a) (<= proc_a 2)), 91855#(and (<= proc_a 8) (<= 8 proc_a)), 91854#(and (<= 6 proc_a) (<= proc_a 6)), 91857#(and (<= proc_a 12) (<= 12 proc_a)), 91856#(and (<= 10 proc_a) (<= proc_a 10)), 91859#(and (<= proc_a 16) (<= 16 proc_a)), 91858#(and (<= 14 proc_a) (<= proc_a 14)), 91861#(and (<= 20 proc_a) (<= proc_a 20)), 91860#(and (<= 18 proc_a) (<= proc_a 18)), 91863#(and (<= 24 proc_a) (<= proc_a 24)), 91862#(and (<= 22 proc_a) (<= proc_a 22)), 91865#(and (<= proc_a 28) (<= 28 proc_a)), 91864#(and (<= 26 proc_a) (<= proc_a 26)), 91867#(and (<= 32 proc_a) (<= proc_a 32)), 91866#(and (<= proc_a 30) (<= 30 proc_a)), 91869#(and (<= 36 proc_a) (<= proc_a 36)), 91868#(and (<= 34 proc_a) (<= proc_a 34)), 91871#(and (<= 40 proc_a) (<= proc_a 40)), 91870#(and (<= 38 proc_a) (<= proc_a 38)), 91873#(and (<= proc_a 44) (<= 44 proc_a)), 91872#(and (<= proc_a 42) (<= 42 proc_a)), 91875#(and (<= 48 proc_a) (<= proc_a 48)), 91874#(and (<= proc_a 46) (<= 46 proc_a)), 91877#(and (<= 52 proc_a) (<= proc_a 52)), 91876#(and (<= 50 proc_a) (<= proc_a 50)), 91879#(and (<= proc_a 56) (<= 56 proc_a)), 91878#(and (<= 54 proc_a) (<= proc_a 54)), 91881#(and (<= 60 proc_a) (<= proc_a 60)), 91880#(and (<= proc_a 58) (<= 58 proc_a)), 91883#(and (<= 64 proc_a) (<= proc_a 64)), 91882#(and (<= 62 proc_a) (<= proc_a 62)), 91885#(and (<= 68 proc_a) (<= proc_a 68)), 91884#(and (<= 66 proc_a) (<= proc_a 66)), 91887#(and (<= 72 proc_a) (<= proc_a 72)), 91886#(and (<= proc_a 70) (<= 70 proc_a)), 91889#(and (<= proc_a 76) (<= 76 proc_a)), 91888#(and (<= proc_a 74) (<= 74 proc_a)), 91891#(and (<= proc_a 80) (<= 80 proc_a)), 91890#(and (<= 78 proc_a) (<= proc_a 78)), 91893#(and (<= proc_a 84) (<= 84 proc_a)), 91892#(and (<= 82 proc_a) (<= proc_a 82)), 91895#(and (<= 88 proc_a) (<= proc_a 88)), 91894#(and (<= 86 proc_a) (<= proc_a 86)), 91897#(and (<= 92 proc_a) (<= proc_a 92)), 91896#(and (<= proc_a 90) (<= 90 proc_a)), 91899#(and (<= proc_a 96) (<= 96 proc_a)), 91898#(and (<= proc_a 94) (<= 94 proc_a)), 91901#(and (<= proc_a 100) (<= 100 proc_a)), 91900#(and (<= 98 proc_a) (<= proc_a 98)), 91903#(and (<= proc_a 104) (<= 104 proc_a)), 91902#(and (<= 102 proc_a) (<= proc_a 102))] [2018-07-23 13:54:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:25,938 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:54:25,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:54:25,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=35911, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:54:25,940 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 191 states. [2018-07-23 13:54:27,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:27,824 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:54:27,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:54:27,824 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 190 [2018-07-23 13:54:27,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:27,824 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:54:27,825 INFO L226 Difference]: Without dead ends: 192 [2018-07-23 13:54:27,825 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=379, Invalid=35911, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:54:27,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-07-23 13:54:27,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2018-07-23 13:54:27,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-07-23 13:54:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 192 transitions. [2018-07-23 13:54:27,830 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 192 transitions. Word has length 190 [2018-07-23 13:54:27,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:27,830 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 192 transitions. [2018-07-23 13:54:27,830 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:54:27,830 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 192 transitions. [2018-07-23 13:54:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-07-23 13:54:27,831 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:27,831 INFO L357 BasicCegarLoop]: trace histogram [189, 1, 1] [2018-07-23 13:54:27,831 INFO L414 AbstractCegarLoop]: === Iteration 190 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:27,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1269834593, now seen corresponding path program 189 times [2018-07-23 13:54:27,831 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 17955 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,300 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:29,300 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:54:29,300 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,301 INFO L185 omatonBuilderFactory]: Interpolants [92929#(and (<= proc_a 234) (<= 234 proc_a)), 92928#(and (<= 232 proc_a) (<= proc_a 232)), 92931#(and (<= 238 proc_a) (<= proc_a 238)), 92930#(and (<= proc_a 236) (<= 236 proc_a)), 92933#(and (<= proc_a 242) (<= 242 proc_a)), 92932#(and (<= 240 proc_a) (<= proc_a 240)), 92935#(and (<= proc_a 246) (<= 246 proc_a)), 92934#(and (<= proc_a 244) (<= 244 proc_a)), 92937#(and (<= proc_a 250) (<= 250 proc_a)), 92936#(and (<= 248 proc_a) (<= proc_a 248)), 92939#(and (<= 254 proc_a) (<= proc_a 254)), 92938#(and (<= 252 proc_a) (<= proc_a 252)), 92941#(and (<= 258 proc_a) (<= proc_a 258)), 92940#(and (<= proc_a 256) (<= 256 proc_a)), 92943#(and (<= 262 proc_a) (<= proc_a 262)), 92942#(and (<= proc_a 260) (<= 260 proc_a)), 92945#(and (<= 266 proc_a) (<= proc_a 266)), 92944#(and (<= proc_a 264) (<= 264 proc_a)), 92947#(and (<= proc_a 270) (<= 270 proc_a)), 92946#(and (<= proc_a 268) (<= 268 proc_a)), 92949#(and (<= proc_a 274) (<= 274 proc_a)), 92948#(and (<= proc_a 272) (<= 272 proc_a)), 92951#(and (<= proc_a 278) (<= 278 proc_a)), 92950#(and (<= proc_a 276) (<= 276 proc_a)), 92953#(and (<= proc_a 282) (<= 282 proc_a)), 92952#(and (<= proc_a 280) (<= 280 proc_a)), 92955#(and (<= proc_a 286) (<= 286 proc_a)), 92954#(and (<= proc_a 284) (<= 284 proc_a)), 92957#(and (<= proc_a 290) (<= 290 proc_a)), 92956#(and (<= proc_a 288) (<= 288 proc_a)), 92959#(and (<= 294 proc_a) (<= proc_a 294)), 92958#(and (<= proc_a 292) (<= 292 proc_a)), 92961#(and (<= 298 proc_a) (<= proc_a 298)), 92960#(and (<= 296 proc_a) (<= proc_a 296)), 92963#(and (<= proc_a 302) (<= 302 proc_a)), 92962#(and (<= proc_a 300) (<= 300 proc_a)), 92965#(and (<= 306 proc_a) (<= proc_a 306)), 92964#(and (<= proc_a 304) (<= 304 proc_a)), 92967#(and (<= proc_a 310) (<= 310 proc_a)), 92966#(and (<= 308 proc_a) (<= proc_a 308)), 92969#(and (<= proc_a 314) (<= 314 proc_a)), 92968#(and (<= proc_a 312) (<= 312 proc_a)), 92971#(and (<= 318 proc_a) (<= proc_a 318)), 92970#(and (<= 316 proc_a) (<= proc_a 316)), 92973#(and (<= proc_a 322) (<= 322 proc_a)), 92972#(and (<= proc_a 320) (<= 320 proc_a)), 92975#(and (<= proc_a 326) (<= 326 proc_a)), 92974#(and (<= 324 proc_a) (<= proc_a 324)), 92977#(and (<= proc_a 330) (<= 330 proc_a)), 92976#(and (<= proc_a 328) (<= 328 proc_a)), 92979#(and (<= 334 proc_a) (<= proc_a 334)), 92978#(and (<= proc_a 332) (<= 332 proc_a)), 92981#(and (<= proc_a 338) (<= 338 proc_a)), 92980#(and (<= 336 proc_a) (<= proc_a 336)), 92983#(and (<= 342 proc_a) (<= proc_a 342)), 92982#(and (<= proc_a 340) (<= 340 proc_a)), 92985#(and (<= proc_a 346) (<= 346 proc_a)), 92984#(and (<= 344 proc_a) (<= proc_a 344)), 92987#(and (<= proc_a 350) (<= 350 proc_a)), 92986#(and (<= 348 proc_a) (<= proc_a 348)), 92989#(and (<= proc_a 354) (<= 354 proc_a)), 92988#(and (<= 352 proc_a) (<= proc_a 352)), 92991#(and (<= 358 proc_a) (<= proc_a 358)), 92990#(and (<= proc_a 356) (<= 356 proc_a)), 92993#(and (<= proc_a 362) (<= 362 proc_a)), 92992#(and (<= proc_a 360) (<= 360 proc_a)), 92995#(and (<= 366 proc_a) (<= proc_a 366)), 92994#(and (<= proc_a 364) (<= 364 proc_a)), 92997#(and (<= 370 proc_a) (<= proc_a 370)), 92996#(and (<= proc_a 368) (<= 368 proc_a)), 92999#(and (<= proc_a 374) (<= 374 proc_a)), 92998#(and (<= 372 proc_a) (<= proc_a 372)), 93001#(and (<= 378 proc_a) (<= proc_a 378)), 93000#(and (<= 376 proc_a) (<= proc_a 376)), 92811#false, 92810#true, 92813#(and (<= 2 proc_a) (<= proc_a 2)), 92812#(and (<= proc_a 0) (<= 0 proc_a)), 92815#(and (<= 6 proc_a) (<= proc_a 6)), 92814#(and (<= 4 proc_a) (<= proc_a 4)), 92817#(and (<= 10 proc_a) (<= proc_a 10)), 92816#(and (<= proc_a 8) (<= 8 proc_a)), 92819#(and (<= 14 proc_a) (<= proc_a 14)), 92818#(and (<= proc_a 12) (<= 12 proc_a)), 92821#(and (<= 18 proc_a) (<= proc_a 18)), 92820#(and (<= proc_a 16) (<= 16 proc_a)), 92823#(and (<= 22 proc_a) (<= proc_a 22)), 92822#(and (<= 20 proc_a) (<= proc_a 20)), 92825#(and (<= 26 proc_a) (<= proc_a 26)), 92824#(and (<= 24 proc_a) (<= proc_a 24)), 92827#(and (<= proc_a 30) (<= 30 proc_a)), 92826#(and (<= proc_a 28) (<= 28 proc_a)), 92829#(and (<= 34 proc_a) (<= proc_a 34)), 92828#(and (<= 32 proc_a) (<= proc_a 32)), 92831#(and (<= 38 proc_a) (<= proc_a 38)), 92830#(and (<= 36 proc_a) (<= proc_a 36)), 92833#(and (<= proc_a 42) (<= 42 proc_a)), 92832#(and (<= 40 proc_a) (<= proc_a 40)), 92835#(and (<= proc_a 46) (<= 46 proc_a)), 92834#(and (<= proc_a 44) (<= 44 proc_a)), 92837#(and (<= 50 proc_a) (<= proc_a 50)), 92836#(and (<= 48 proc_a) (<= proc_a 48)), 92839#(and (<= 54 proc_a) (<= proc_a 54)), 92838#(and (<= 52 proc_a) (<= proc_a 52)), 92841#(and (<= proc_a 58) (<= 58 proc_a)), 92840#(and (<= proc_a 56) (<= 56 proc_a)), 92843#(and (<= 62 proc_a) (<= proc_a 62)), 92842#(and (<= 60 proc_a) (<= proc_a 60)), 92845#(and (<= 66 proc_a) (<= proc_a 66)), 92844#(and (<= 64 proc_a) (<= proc_a 64)), 92847#(and (<= proc_a 70) (<= 70 proc_a)), 92846#(and (<= 68 proc_a) (<= proc_a 68)), 92849#(and (<= proc_a 74) (<= 74 proc_a)), 92848#(and (<= 72 proc_a) (<= proc_a 72)), 92851#(and (<= 78 proc_a) (<= proc_a 78)), 92850#(and (<= proc_a 76) (<= 76 proc_a)), 92853#(and (<= 82 proc_a) (<= proc_a 82)), 92852#(and (<= proc_a 80) (<= 80 proc_a)), 92855#(and (<= 86 proc_a) (<= proc_a 86)), 92854#(and (<= proc_a 84) (<= 84 proc_a)), 92857#(and (<= proc_a 90) (<= 90 proc_a)), 92856#(and (<= 88 proc_a) (<= proc_a 88)), 92859#(and (<= proc_a 94) (<= 94 proc_a)), 92858#(and (<= 92 proc_a) (<= proc_a 92)), 92861#(and (<= 98 proc_a) (<= proc_a 98)), 92860#(and (<= proc_a 96) (<= 96 proc_a)), 92863#(and (<= 102 proc_a) (<= proc_a 102)), 92862#(and (<= proc_a 100) (<= 100 proc_a)), 92865#(and (<= 106 proc_a) (<= proc_a 106)), 92864#(and (<= proc_a 104) (<= 104 proc_a)), 92867#(and (<= proc_a 110) (<= 110 proc_a)), 92866#(and (<= proc_a 108) (<= 108 proc_a)), 92869#(and (<= 114 proc_a) (<= proc_a 114)), 92868#(and (<= proc_a 112) (<= 112 proc_a)), 92871#(and (<= proc_a 118) (<= 118 proc_a)), 92870#(and (<= 116 proc_a) (<= proc_a 116)), 92873#(and (<= proc_a 122) (<= 122 proc_a)), 92872#(and (<= 120 proc_a) (<= proc_a 120)), 92875#(and (<= proc_a 126) (<= 126 proc_a)), 92874#(and (<= proc_a 124) (<= 124 proc_a)), 92877#(and (<= proc_a 130) (<= 130 proc_a)), 92876#(and (<= 128 proc_a) (<= proc_a 128)), 92879#(and (<= proc_a 134) (<= 134 proc_a)), 92878#(and (<= 132 proc_a) (<= proc_a 132)), 92881#(and (<= proc_a 138) (<= 138 proc_a)), 92880#(and (<= proc_a 136) (<= 136 proc_a)), 92883#(and (<= 142 proc_a) (<= proc_a 142)), 92882#(and (<= proc_a 140) (<= 140 proc_a)), 92885#(and (<= proc_a 146) (<= 146 proc_a)), 92884#(and (<= 144 proc_a) (<= proc_a 144)), 92887#(and (<= proc_a 150) (<= 150 proc_a)), 92886#(and (<= 148 proc_a) (<= proc_a 148)), 92889#(and (<= 154 proc_a) (<= proc_a 154)), 92888#(and (<= proc_a 152) (<= 152 proc_a)), 92891#(and (<= proc_a 158) (<= 158 proc_a)), 92890#(and (<= 156 proc_a) (<= proc_a 156)), 92893#(and (<= proc_a 162) (<= 162 proc_a)), 92892#(and (<= 160 proc_a) (<= proc_a 160)), 92895#(and (<= 166 proc_a) (<= proc_a 166)), 92894#(and (<= 164 proc_a) (<= proc_a 164)), 92897#(and (<= 170 proc_a) (<= proc_a 170)), 92896#(and (<= 168 proc_a) (<= proc_a 168)), 92899#(and (<= proc_a 174) (<= 174 proc_a)), 92898#(and (<= 172 proc_a) (<= proc_a 172)), 92901#(and (<= 178 proc_a) (<= proc_a 178)), 92900#(and (<= 176 proc_a) (<= proc_a 176)), 92903#(and (<= proc_a 182) (<= 182 proc_a)), 92902#(and (<= proc_a 180) (<= 180 proc_a)), 92905#(and (<= 186 proc_a) (<= proc_a 186)), 92904#(and (<= 184 proc_a) (<= proc_a 184)), 92907#(and (<= 190 proc_a) (<= proc_a 190)), 92906#(and (<= 188 proc_a) (<= proc_a 188)), 92909#(and (<= 194 proc_a) (<= proc_a 194)), 92908#(and (<= proc_a 192) (<= 192 proc_a)), 92911#(and (<= 198 proc_a) (<= proc_a 198)), 92910#(and (<= proc_a 196) (<= 196 proc_a)), 92913#(and (<= proc_a 202) (<= 202 proc_a)), 92912#(and (<= proc_a 200) (<= 200 proc_a)), 92915#(and (<= 206 proc_a) (<= proc_a 206)), 92914#(and (<= 204 proc_a) (<= proc_a 204)), 92917#(and (<= proc_a 210) (<= 210 proc_a)), 92916#(and (<= 208 proc_a) (<= proc_a 208)), 92919#(and (<= 214 proc_a) (<= proc_a 214)), 92918#(and (<= proc_a 212) (<= 212 proc_a)), 92921#(and (<= proc_a 218) (<= 218 proc_a)), 92920#(and (<= 216 proc_a) (<= proc_a 216)), 92923#(and (<= 222 proc_a) (<= proc_a 222)), 92922#(and (<= proc_a 220) (<= 220 proc_a)), 92925#(and (<= proc_a 226) (<= 226 proc_a)), 92924#(and (<= 224 proc_a) (<= proc_a 224)), 92927#(and (<= proc_a 230) (<= 230 proc_a)), 92926#(and (<= 228 proc_a) (<= proc_a 228))] [2018-07-23 13:54:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 17955 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:29,302 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:54:29,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:54:29,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=36291, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:54:29,303 INFO L87 Difference]: Start difference. First operand 192 states and 192 transitions. Second operand 192 states. [2018-07-23 13:54:31,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:31,204 INFO L93 Difference]: Finished difference Result 194 states and 194 transitions. [2018-07-23 13:54:31,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:54:31,204 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 191 [2018-07-23 13:54:31,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:31,205 INFO L225 Difference]: With dead ends: 194 [2018-07-23 13:54:31,205 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:54:31,206 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=381, Invalid=36291, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:54:31,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:54:31,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:54:31,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:54:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:54:31,213 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 191 [2018-07-23 13:54:31,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:31,214 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:54:31,214 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:54:31,214 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:54:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:54:31,214 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:31,215 INFO L357 BasicCegarLoop]: trace histogram [190, 1, 1] [2018-07-23 13:54:31,215 INFO L414 AbstractCegarLoop]: === Iteration 191 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:31,215 INFO L82 PathProgramCache]: Analyzing trace with hash 710166663, now seen corresponding path program 190 times [2018-07-23 13:54:31,215 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 18145 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,871 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:32,871 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:54:32,871 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:32,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,871 INFO L185 omatonBuilderFactory]: Interpolants [93777#false, 93776#true, 93779#(and (<= 2 proc_a) (<= proc_a 2)), 93778#(and (<= proc_a 0) (<= 0 proc_a)), 93781#(and (<= 6 proc_a) (<= proc_a 6)), 93780#(and (<= 4 proc_a) (<= proc_a 4)), 93783#(and (<= 10 proc_a) (<= proc_a 10)), 93782#(and (<= proc_a 8) (<= 8 proc_a)), 93785#(and (<= 14 proc_a) (<= proc_a 14)), 93784#(and (<= proc_a 12) (<= 12 proc_a)), 93787#(and (<= 18 proc_a) (<= proc_a 18)), 93786#(and (<= proc_a 16) (<= 16 proc_a)), 93789#(and (<= 22 proc_a) (<= proc_a 22)), 93788#(and (<= 20 proc_a) (<= proc_a 20)), 93791#(and (<= 26 proc_a) (<= proc_a 26)), 93790#(and (<= 24 proc_a) (<= proc_a 24)), 93793#(and (<= proc_a 30) (<= 30 proc_a)), 93792#(and (<= proc_a 28) (<= 28 proc_a)), 93795#(and (<= 34 proc_a) (<= proc_a 34)), 93794#(and (<= 32 proc_a) (<= proc_a 32)), 93797#(and (<= 38 proc_a) (<= proc_a 38)), 93796#(and (<= 36 proc_a) (<= proc_a 36)), 93799#(and (<= proc_a 42) (<= 42 proc_a)), 93798#(and (<= 40 proc_a) (<= proc_a 40)), 93801#(and (<= proc_a 46) (<= 46 proc_a)), 93800#(and (<= proc_a 44) (<= 44 proc_a)), 93803#(and (<= 50 proc_a) (<= proc_a 50)), 93802#(and (<= 48 proc_a) (<= proc_a 48)), 93805#(and (<= 54 proc_a) (<= proc_a 54)), 93804#(and (<= 52 proc_a) (<= proc_a 52)), 93807#(and (<= proc_a 58) (<= 58 proc_a)), 93806#(and (<= proc_a 56) (<= 56 proc_a)), 93809#(and (<= 62 proc_a) (<= proc_a 62)), 93808#(and (<= 60 proc_a) (<= proc_a 60)), 93811#(and (<= 66 proc_a) (<= proc_a 66)), 93810#(and (<= 64 proc_a) (<= proc_a 64)), 93813#(and (<= proc_a 70) (<= 70 proc_a)), 93812#(and (<= 68 proc_a) (<= proc_a 68)), 93815#(and (<= proc_a 74) (<= 74 proc_a)), 93814#(and (<= 72 proc_a) (<= proc_a 72)), 93817#(and (<= 78 proc_a) (<= proc_a 78)), 93816#(and (<= proc_a 76) (<= 76 proc_a)), 93819#(and (<= 82 proc_a) (<= proc_a 82)), 93818#(and (<= proc_a 80) (<= 80 proc_a)), 93821#(and (<= 86 proc_a) (<= proc_a 86)), 93820#(and (<= proc_a 84) (<= 84 proc_a)), 93823#(and (<= proc_a 90) (<= 90 proc_a)), 93822#(and (<= 88 proc_a) (<= proc_a 88)), 93825#(and (<= proc_a 94) (<= 94 proc_a)), 93824#(and (<= 92 proc_a) (<= proc_a 92)), 93827#(and (<= 98 proc_a) (<= proc_a 98)), 93826#(and (<= proc_a 96) (<= 96 proc_a)), 93829#(and (<= 102 proc_a) (<= proc_a 102)), 93828#(and (<= proc_a 100) (<= 100 proc_a)), 93831#(and (<= 106 proc_a) (<= proc_a 106)), 93830#(and (<= proc_a 104) (<= 104 proc_a)), 93833#(and (<= proc_a 110) (<= 110 proc_a)), 93832#(and (<= proc_a 108) (<= 108 proc_a)), 93835#(and (<= 114 proc_a) (<= proc_a 114)), 93834#(and (<= proc_a 112) (<= 112 proc_a)), 93837#(and (<= proc_a 118) (<= 118 proc_a)), 93836#(and (<= 116 proc_a) (<= proc_a 116)), 93839#(and (<= proc_a 122) (<= 122 proc_a)), 93838#(and (<= 120 proc_a) (<= proc_a 120)), 93841#(and (<= proc_a 126) (<= 126 proc_a)), 93840#(and (<= proc_a 124) (<= 124 proc_a)), 93843#(and (<= proc_a 130) (<= 130 proc_a)), 93842#(and (<= 128 proc_a) (<= proc_a 128)), 93845#(and (<= proc_a 134) (<= 134 proc_a)), 93844#(and (<= 132 proc_a) (<= proc_a 132)), 93847#(and (<= proc_a 138) (<= 138 proc_a)), 93846#(and (<= proc_a 136) (<= 136 proc_a)), 93849#(and (<= 142 proc_a) (<= proc_a 142)), 93848#(and (<= proc_a 140) (<= 140 proc_a)), 93851#(and (<= proc_a 146) (<= 146 proc_a)), 93850#(and (<= 144 proc_a) (<= proc_a 144)), 93853#(and (<= proc_a 150) (<= 150 proc_a)), 93852#(and (<= 148 proc_a) (<= proc_a 148)), 93855#(and (<= 154 proc_a) (<= proc_a 154)), 93854#(and (<= proc_a 152) (<= 152 proc_a)), 93857#(and (<= proc_a 158) (<= 158 proc_a)), 93856#(and (<= 156 proc_a) (<= proc_a 156)), 93859#(and (<= proc_a 162) (<= 162 proc_a)), 93858#(and (<= 160 proc_a) (<= proc_a 160)), 93861#(and (<= 166 proc_a) (<= proc_a 166)), 93860#(and (<= 164 proc_a) (<= proc_a 164)), 93863#(and (<= 170 proc_a) (<= proc_a 170)), 93862#(and (<= 168 proc_a) (<= proc_a 168)), 93865#(and (<= proc_a 174) (<= 174 proc_a)), 93864#(and (<= 172 proc_a) (<= proc_a 172)), 93867#(and (<= 178 proc_a) (<= proc_a 178)), 93866#(and (<= 176 proc_a) (<= proc_a 176)), 93869#(and (<= proc_a 182) (<= 182 proc_a)), 93868#(and (<= proc_a 180) (<= 180 proc_a)), 93871#(and (<= 186 proc_a) (<= proc_a 186)), 93870#(and (<= 184 proc_a) (<= proc_a 184)), 93873#(and (<= 190 proc_a) (<= proc_a 190)), 93872#(and (<= 188 proc_a) (<= proc_a 188)), 93875#(and (<= 194 proc_a) (<= proc_a 194)), 93874#(and (<= proc_a 192) (<= 192 proc_a)), 93877#(and (<= 198 proc_a) (<= proc_a 198)), 93876#(and (<= proc_a 196) (<= 196 proc_a)), 93879#(and (<= proc_a 202) (<= 202 proc_a)), 93878#(and (<= proc_a 200) (<= 200 proc_a)), 93881#(and (<= 206 proc_a) (<= proc_a 206)), 93880#(and (<= 204 proc_a) (<= proc_a 204)), 93883#(and (<= proc_a 210) (<= 210 proc_a)), 93882#(and (<= 208 proc_a) (<= proc_a 208)), 93885#(and (<= 214 proc_a) (<= proc_a 214)), 93884#(and (<= proc_a 212) (<= 212 proc_a)), 93887#(and (<= proc_a 218) (<= 218 proc_a)), 93886#(and (<= 216 proc_a) (<= proc_a 216)), 93889#(and (<= 222 proc_a) (<= proc_a 222)), 93888#(and (<= proc_a 220) (<= 220 proc_a)), 93891#(and (<= proc_a 226) (<= 226 proc_a)), 93890#(and (<= 224 proc_a) (<= proc_a 224)), 93893#(and (<= proc_a 230) (<= 230 proc_a)), 93892#(and (<= 228 proc_a) (<= proc_a 228)), 93895#(and (<= proc_a 234) (<= 234 proc_a)), 93894#(and (<= 232 proc_a) (<= proc_a 232)), 93897#(and (<= 238 proc_a) (<= proc_a 238)), 93896#(and (<= proc_a 236) (<= 236 proc_a)), 93899#(and (<= proc_a 242) (<= 242 proc_a)), 93898#(and (<= 240 proc_a) (<= proc_a 240)), 93901#(and (<= proc_a 246) (<= 246 proc_a)), 93900#(and (<= proc_a 244) (<= 244 proc_a)), 93903#(and (<= proc_a 250) (<= 250 proc_a)), 93902#(and (<= 248 proc_a) (<= proc_a 248)), 93905#(and (<= 254 proc_a) (<= proc_a 254)), 93904#(and (<= 252 proc_a) (<= proc_a 252)), 93907#(and (<= 258 proc_a) (<= proc_a 258)), 93906#(and (<= proc_a 256) (<= 256 proc_a)), 93909#(and (<= 262 proc_a) (<= proc_a 262)), 93908#(and (<= proc_a 260) (<= 260 proc_a)), 93911#(and (<= 266 proc_a) (<= proc_a 266)), 93910#(and (<= proc_a 264) (<= 264 proc_a)), 93913#(and (<= proc_a 270) (<= 270 proc_a)), 93912#(and (<= proc_a 268) (<= 268 proc_a)), 93915#(and (<= proc_a 274) (<= 274 proc_a)), 93914#(and (<= proc_a 272) (<= 272 proc_a)), 93917#(and (<= proc_a 278) (<= 278 proc_a)), 93916#(and (<= proc_a 276) (<= 276 proc_a)), 93919#(and (<= proc_a 282) (<= 282 proc_a)), 93918#(and (<= proc_a 280) (<= 280 proc_a)), 93921#(and (<= proc_a 286) (<= 286 proc_a)), 93920#(and (<= proc_a 284) (<= 284 proc_a)), 93923#(and (<= proc_a 290) (<= 290 proc_a)), 93922#(and (<= proc_a 288) (<= 288 proc_a)), 93925#(and (<= 294 proc_a) (<= proc_a 294)), 93924#(and (<= proc_a 292) (<= 292 proc_a)), 93927#(and (<= 298 proc_a) (<= proc_a 298)), 93926#(and (<= 296 proc_a) (<= proc_a 296)), 93929#(and (<= proc_a 302) (<= 302 proc_a)), 93928#(and (<= proc_a 300) (<= 300 proc_a)), 93931#(and (<= 306 proc_a) (<= proc_a 306)), 93930#(and (<= proc_a 304) (<= 304 proc_a)), 93933#(and (<= proc_a 310) (<= 310 proc_a)), 93932#(and (<= 308 proc_a) (<= proc_a 308)), 93935#(and (<= proc_a 314) (<= 314 proc_a)), 93934#(and (<= proc_a 312) (<= 312 proc_a)), 93937#(and (<= 318 proc_a) (<= proc_a 318)), 93936#(and (<= 316 proc_a) (<= proc_a 316)), 93939#(and (<= proc_a 322) (<= 322 proc_a)), 93938#(and (<= proc_a 320) (<= 320 proc_a)), 93941#(and (<= proc_a 326) (<= 326 proc_a)), 93940#(and (<= 324 proc_a) (<= proc_a 324)), 93943#(and (<= proc_a 330) (<= 330 proc_a)), 93942#(and (<= proc_a 328) (<= 328 proc_a)), 93945#(and (<= 334 proc_a) (<= proc_a 334)), 93944#(and (<= proc_a 332) (<= 332 proc_a)), 93947#(and (<= proc_a 338) (<= 338 proc_a)), 93946#(and (<= 336 proc_a) (<= proc_a 336)), 93949#(and (<= 342 proc_a) (<= proc_a 342)), 93948#(and (<= proc_a 340) (<= 340 proc_a)), 93951#(and (<= proc_a 346) (<= 346 proc_a)), 93950#(and (<= 344 proc_a) (<= proc_a 344)), 93953#(and (<= proc_a 350) (<= 350 proc_a)), 93952#(and (<= 348 proc_a) (<= proc_a 348)), 93955#(and (<= proc_a 354) (<= 354 proc_a)), 93954#(and (<= 352 proc_a) (<= proc_a 352)), 93957#(and (<= 358 proc_a) (<= proc_a 358)), 93956#(and (<= proc_a 356) (<= 356 proc_a)), 93959#(and (<= proc_a 362) (<= 362 proc_a)), 93958#(and (<= proc_a 360) (<= 360 proc_a)), 93961#(and (<= 366 proc_a) (<= proc_a 366)), 93960#(and (<= proc_a 364) (<= 364 proc_a)), 93963#(and (<= 370 proc_a) (<= proc_a 370)), 93962#(and (<= proc_a 368) (<= 368 proc_a)), 93965#(and (<= proc_a 374) (<= 374 proc_a)), 93964#(and (<= 372 proc_a) (<= proc_a 372)), 93967#(and (<= 378 proc_a) (<= proc_a 378)), 93966#(and (<= 376 proc_a) (<= proc_a 376)), 93968#(and (<= proc_a 380) (<= 380 proc_a))] [2018-07-23 13:54:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 18145 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:32,873 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:54:32,873 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:54:32,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=36673, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:54:32,874 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 193 states. [2018-07-23 13:54:34,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:34,825 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:54:34,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:54:34,825 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 192 [2018-07-23 13:54:34,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:34,826 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:54:34,826 INFO L226 Difference]: Without dead ends: 194 [2018-07-23 13:54:34,827 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=383, Invalid=36673, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:54:34,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-07-23 13:54:34,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2018-07-23 13:54:34,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-07-23 13:54:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2018-07-23 13:54:34,832 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 192 [2018-07-23 13:54:34,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:34,832 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2018-07-23 13:54:34,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:54:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2018-07-23 13:54:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-07-23 13:54:34,833 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:34,833 INFO L357 BasicCegarLoop]: trace histogram [191, 1, 1] [2018-07-23 13:54:34,833 INFO L414 AbstractCegarLoop]: === Iteration 192 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:34,833 INFO L82 PathProgramCache]: Analyzing trace with hash 540330017, now seen corresponding path program 191 times [2018-07-23 13:54:34,833 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18336 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:36,357 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:36,357 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:54:36,358 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:36,358 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 13:54:36,358 INFO L185 omatonBuilderFactory]: Interpolants [94747#true, 94749#(and (<= proc_a 0) (<= 0 proc_a)), 94748#false, 94751#(and (<= 4 proc_a) (<= proc_a 4)), 94750#(and (<= 2 proc_a) (<= proc_a 2)), 94753#(and (<= proc_a 8) (<= 8 proc_a)), 94752#(and (<= 6 proc_a) (<= proc_a 6)), 94755#(and (<= proc_a 12) (<= 12 proc_a)), 94754#(and (<= 10 proc_a) (<= proc_a 10)), 94757#(and (<= proc_a 16) (<= 16 proc_a)), 94756#(and (<= 14 proc_a) (<= proc_a 14)), 94759#(and (<= 20 proc_a) (<= proc_a 20)), 94758#(and (<= 18 proc_a) (<= proc_a 18)), 94761#(and (<= 24 proc_a) (<= proc_a 24)), 94760#(and (<= 22 proc_a) (<= proc_a 22)), 94763#(and (<= proc_a 28) (<= 28 proc_a)), 94762#(and (<= 26 proc_a) (<= proc_a 26)), 94765#(and (<= 32 proc_a) (<= proc_a 32)), 94764#(and (<= proc_a 30) (<= 30 proc_a)), 94767#(and (<= 36 proc_a) (<= proc_a 36)), 94766#(and (<= 34 proc_a) (<= proc_a 34)), 94769#(and (<= 40 proc_a) (<= proc_a 40)), 94768#(and (<= 38 proc_a) (<= proc_a 38)), 94771#(and (<= proc_a 44) (<= 44 proc_a)), 94770#(and (<= proc_a 42) (<= 42 proc_a)), 94773#(and (<= 48 proc_a) (<= proc_a 48)), 94772#(and (<= proc_a 46) (<= 46 proc_a)), 94775#(and (<= 52 proc_a) (<= proc_a 52)), 94774#(and (<= 50 proc_a) (<= proc_a 50)), 94777#(and (<= proc_a 56) (<= 56 proc_a)), 94776#(and (<= 54 proc_a) (<= proc_a 54)), 94779#(and (<= 60 proc_a) (<= proc_a 60)), 94778#(and (<= proc_a 58) (<= 58 proc_a)), 94781#(and (<= 64 proc_a) (<= proc_a 64)), 94780#(and (<= 62 proc_a) (<= proc_a 62)), 94783#(and (<= 68 proc_a) (<= proc_a 68)), 94782#(and (<= 66 proc_a) (<= proc_a 66)), 94785#(and (<= 72 proc_a) (<= proc_a 72)), 94784#(and (<= proc_a 70) (<= 70 proc_a)), 94787#(and (<= proc_a 76) (<= 76 proc_a)), 94786#(and (<= proc_a 74) (<= 74 proc_a)), 94789#(and (<= proc_a 80) (<= 80 proc_a)), 94788#(and (<= 78 proc_a) (<= proc_a 78)), 94791#(and (<= proc_a 84) (<= 84 proc_a)), 94790#(and (<= 82 proc_a) (<= proc_a 82)), 94793#(and (<= 88 proc_a) (<= proc_a 88)), 94792#(and (<= 86 proc_a) (<= proc_a 86)), 94795#(and (<= 92 proc_a) (<= proc_a 92)), 94794#(and (<= proc_a 90) (<= 90 proc_a)), 94797#(and (<= proc_a 96) (<= 96 proc_a)), 94796#(and (<= proc_a 94) (<= 94 proc_a)), 94799#(and (<= proc_a 100) (<= 100 proc_a)), 94798#(and (<= 98 proc_a) (<= proc_a 98)), 94801#(and (<= proc_a 104) (<= 104 proc_a)), 94800#(and (<= 102 proc_a) (<= proc_a 102)), 94803#(and (<= proc_a 108) (<= 108 proc_a)), 94802#(and (<= 106 proc_a) (<= proc_a 106)), 94805#(and (<= proc_a 112) (<= 112 proc_a)), 94804#(and (<= proc_a 110) (<= 110 proc_a)), 94807#(and (<= 116 proc_a) (<= proc_a 116)), 94806#(and (<= 114 proc_a) (<= proc_a 114)), 94809#(and (<= 120 proc_a) (<= proc_a 120)), 94808#(and (<= proc_a 118) (<= 118 proc_a)), 94811#(and (<= proc_a 124) (<= 124 proc_a)), 94810#(and (<= proc_a 122) (<= 122 proc_a)), 94813#(and (<= 128 proc_a) (<= proc_a 128)), 94812#(and (<= proc_a 126) (<= 126 proc_a)), 94815#(and (<= 132 proc_a) (<= proc_a 132)), 94814#(and (<= proc_a 130) (<= 130 proc_a)), 94817#(and (<= proc_a 136) (<= 136 proc_a)), 94816#(and (<= proc_a 134) (<= 134 proc_a)), 94819#(and (<= proc_a 140) (<= 140 proc_a)), 94818#(and (<= proc_a 138) (<= 138 proc_a)), 94821#(and (<= 144 proc_a) (<= proc_a 144)), 94820#(and (<= 142 proc_a) (<= proc_a 142)), 94823#(and (<= 148 proc_a) (<= proc_a 148)), 94822#(and (<= proc_a 146) (<= 146 proc_a)), 94825#(and (<= proc_a 152) (<= 152 proc_a)), 94824#(and (<= proc_a 150) (<= 150 proc_a)), 94827#(and (<= 156 proc_a) (<= proc_a 156)), 94826#(and (<= 154 proc_a) (<= proc_a 154)), 94829#(and (<= 160 proc_a) (<= proc_a 160)), 94828#(and (<= proc_a 158) (<= 158 proc_a)), 94831#(and (<= 164 proc_a) (<= proc_a 164)), 94830#(and (<= proc_a 162) (<= 162 proc_a)), 94833#(and (<= 168 proc_a) (<= proc_a 168)), 94832#(and (<= 166 proc_a) (<= proc_a 166)), 94835#(and (<= 172 proc_a) (<= proc_a 172)), 94834#(and (<= 170 proc_a) (<= proc_a 170)), 94837#(and (<= 176 proc_a) (<= proc_a 176)), 94836#(and (<= proc_a 174) (<= 174 proc_a)), 94839#(and (<= proc_a 180) (<= 180 proc_a)), 94838#(and (<= 178 proc_a) (<= proc_a 178)), 94841#(and (<= 184 proc_a) (<= proc_a 184)), 94840#(and (<= proc_a 182) (<= 182 proc_a)), 94843#(and (<= 188 proc_a) (<= proc_a 188)), 94842#(and (<= 186 proc_a) (<= proc_a 186)), 94845#(and (<= proc_a 192) (<= 192 proc_a)), 94844#(and (<= 190 proc_a) (<= proc_a 190)), 94847#(and (<= proc_a 196) (<= 196 proc_a)), 94846#(and (<= 194 proc_a) (<= proc_a 194)), 94849#(and (<= proc_a 200) (<= 200 proc_a)), 94848#(and (<= 198 proc_a) (<= proc_a 198)), 94851#(and (<= 204 proc_a) (<= proc_a 204)), 94850#(and (<= proc_a 202) (<= 202 proc_a)), 94853#(and (<= 208 proc_a) (<= proc_a 208)), 94852#(and (<= 206 proc_a) (<= proc_a 206)), 94855#(and (<= proc_a 212) (<= 212 proc_a)), 94854#(and (<= proc_a 210) (<= 210 proc_a)), 94857#(and (<= 216 proc_a) (<= proc_a 216)), 94856#(and (<= 214 proc_a) (<= proc_a 214)), 94859#(and (<= proc_a 220) (<= 220 proc_a)), 94858#(and (<= proc_a 218) (<= 218 proc_a)), 94861#(and (<= 224 proc_a) (<= proc_a 224)), 94860#(and (<= 222 proc_a) (<= proc_a 222)), 94863#(and (<= 228 proc_a) (<= proc_a 228)), 94862#(and (<= proc_a 226) (<= 226 proc_a)), 94865#(and (<= 232 proc_a) (<= proc_a 232)), 94864#(and (<= proc_a 230) (<= 230 proc_a)), 94867#(and (<= proc_a 236) (<= 236 proc_a)), 94866#(and (<= proc_a 234) (<= 234 proc_a)), 94869#(and (<= 240 proc_a) (<= proc_a 240)), 94868#(and (<= 238 proc_a) (<= proc_a 238)), 94871#(and (<= proc_a 244) (<= 244 proc_a)), 94870#(and (<= proc_a 242) (<= 242 proc_a)), 94873#(and (<= 248 proc_a) (<= proc_a 248)), 94872#(and (<= proc_a 246) (<= 246 proc_a)), 94875#(and (<= 252 proc_a) (<= proc_a 252)), 94874#(and (<= proc_a 250) (<= 250 proc_a)), 94877#(and (<= proc_a 256) (<= 256 proc_a)), 94876#(and (<= 254 proc_a) (<= proc_a 254)), 94879#(and (<= proc_a 260) (<= 260 proc_a)), 94878#(and (<= 258 proc_a) (<= proc_a 258)), 94881#(and (<= proc_a 264) (<= 264 proc_a)), 94880#(and (<= 262 proc_a) (<= proc_a 262)), 94883#(and (<= proc_a 268) (<= 268 proc_a)), 94882#(and (<= 266 proc_a) (<= proc_a 266)), 94885#(and (<= proc_a 272) (<= 272 proc_a)), 94884#(and (<= proc_a 270) (<= 270 proc_a)), 94887#(and (<= proc_a 276) (<= 276 proc_a)), 94886#(and (<= proc_a 274) (<= 274 proc_a)), 94889#(and (<= proc_a 280) (<= 280 proc_a)), 94888#(and (<= proc_a 278) (<= 278 proc_a)), 94891#(and (<= proc_a 284) (<= 284 proc_a)), 94890#(and (<= proc_a 282) (<= 282 proc_a)), 94893#(and (<= proc_a 288) (<= 288 proc_a)), 94892#(and (<= proc_a 286) (<= 286 proc_a)), 94895#(and (<= proc_a 292) (<= 292 proc_a)), 94894#(and (<= proc_a 290) (<= 290 proc_a)), 94897#(and (<= 296 proc_a) (<= proc_a 296)), 94896#(and (<= 294 proc_a) (<= proc_a 294)), 94899#(and (<= proc_a 300) (<= 300 proc_a)), 94898#(and (<= 298 proc_a) (<= proc_a 298)), 94901#(and (<= proc_a 304) (<= 304 proc_a)), 94900#(and (<= proc_a 302) (<= 302 proc_a)), 94903#(and (<= 308 proc_a) (<= proc_a 308)), 94902#(and (<= 306 proc_a) (<= proc_a 306)), 94905#(and (<= proc_a 312) (<= 312 proc_a)), 94904#(and (<= proc_a 310) (<= 310 proc_a)), 94907#(and (<= 316 proc_a) (<= proc_a 316)), 94906#(and (<= proc_a 314) (<= 314 proc_a)), 94909#(and (<= proc_a 320) (<= 320 proc_a)), 94908#(and (<= 318 proc_a) (<= proc_a 318)), 94911#(and (<= 324 proc_a) (<= proc_a 324)), 94910#(and (<= proc_a 322) (<= 322 proc_a)), 94913#(and (<= proc_a 328) (<= 328 proc_a)), 94912#(and (<= proc_a 326) (<= 326 proc_a)), 94915#(and (<= proc_a 332) (<= 332 proc_a)), 94914#(and (<= proc_a 330) (<= 330 proc_a)), 94917#(and (<= 336 proc_a) (<= proc_a 336)), 94916#(and (<= 334 proc_a) (<= proc_a 334)), 94919#(and (<= proc_a 340) (<= 340 proc_a)), 94918#(and (<= proc_a 338) (<= 338 proc_a)), 94921#(and (<= 344 proc_a) (<= proc_a 344)), 94920#(and (<= 342 proc_a) (<= proc_a 342)), 94923#(and (<= 348 proc_a) (<= proc_a 348)), 94922#(and (<= proc_a 346) (<= 346 proc_a)), 94925#(and (<= 352 proc_a) (<= proc_a 352)), 94924#(and (<= proc_a 350) (<= 350 proc_a)), 94927#(and (<= proc_a 356) (<= 356 proc_a)), 94926#(and (<= proc_a 354) (<= 354 proc_a)), 94929#(and (<= proc_a 360) (<= 360 proc_a)), 94928#(and (<= 358 proc_a) (<= proc_a 358)), 94931#(and (<= proc_a 364) (<= 364 proc_a)), 94930#(and (<= proc_a 362) (<= 362 proc_a)), 94933#(and (<= proc_a 368) (<= 368 proc_a)), 94932#(and (<= 366 proc_a) (<= proc_a 366)), 94935#(and (<= 372 proc_a) (<= proc_a 372)), 94934#(and (<= 370 proc_a) (<= proc_a 370)), 94937#(and (<= 376 proc_a) (<= proc_a 376)), 94936#(and (<= proc_a 374) (<= 374 proc_a)), 94939#(and (<= proc_a 380) (<= 380 proc_a)), 94938#(and (<= 378 proc_a) (<= proc_a 378)), 94940#(and (<= proc_a 382) (<= 382 proc_a))] [2018-07-23 13:54:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 18336 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:36,360 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:54:36,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:54:36,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=37057, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:54:36,363 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand 194 states. [2018-07-23 13:54:38,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:38,363 INFO L93 Difference]: Finished difference Result 196 states and 196 transitions. [2018-07-23 13:54:38,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:54:38,364 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 193 [2018-07-23 13:54:38,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:38,364 INFO L225 Difference]: With dead ends: 196 [2018-07-23 13:54:38,364 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:54:38,365 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=385, Invalid=37057, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:54:38,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:54:38,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:54:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:54:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:54:38,371 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 193 [2018-07-23 13:54:38,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:38,371 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:54:38,371 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:54:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:54:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:54:38,372 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:38,372 INFO L357 BasicCegarLoop]: trace histogram [192, 1, 1] [2018-07-23 13:54:38,372 INFO L414 AbstractCegarLoop]: === Iteration 193 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:38,373 INFO L82 PathProgramCache]: Analyzing trace with hash -429638713, now seen corresponding path program 192 times [2018-07-23 13:54:38,373 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 18528 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:39,924 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:39,924 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:54:39,925 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:39,925 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 13:54:39,925 INFO L185 omatonBuilderFactory]: Interpolants [95745#(and (<= 40 proc_a) (<= proc_a 40)), 95744#(and (<= 38 proc_a) (<= proc_a 38)), 95747#(and (<= proc_a 44) (<= 44 proc_a)), 95746#(and (<= proc_a 42) (<= 42 proc_a)), 95749#(and (<= 48 proc_a) (<= proc_a 48)), 95748#(and (<= proc_a 46) (<= 46 proc_a)), 95751#(and (<= 52 proc_a) (<= proc_a 52)), 95750#(and (<= 50 proc_a) (<= proc_a 50)), 95753#(and (<= proc_a 56) (<= 56 proc_a)), 95752#(and (<= 54 proc_a) (<= proc_a 54)), 95755#(and (<= 60 proc_a) (<= proc_a 60)), 95754#(and (<= proc_a 58) (<= 58 proc_a)), 95757#(and (<= 64 proc_a) (<= proc_a 64)), 95756#(and (<= 62 proc_a) (<= proc_a 62)), 95759#(and (<= 68 proc_a) (<= proc_a 68)), 95758#(and (<= 66 proc_a) (<= proc_a 66)), 95761#(and (<= 72 proc_a) (<= proc_a 72)), 95760#(and (<= proc_a 70) (<= 70 proc_a)), 95763#(and (<= proc_a 76) (<= 76 proc_a)), 95762#(and (<= proc_a 74) (<= 74 proc_a)), 95765#(and (<= proc_a 80) (<= 80 proc_a)), 95764#(and (<= 78 proc_a) (<= proc_a 78)), 95767#(and (<= proc_a 84) (<= 84 proc_a)), 95766#(and (<= 82 proc_a) (<= proc_a 82)), 95769#(and (<= 88 proc_a) (<= proc_a 88)), 95768#(and (<= 86 proc_a) (<= proc_a 86)), 95771#(and (<= 92 proc_a) (<= proc_a 92)), 95770#(and (<= proc_a 90) (<= 90 proc_a)), 95773#(and (<= proc_a 96) (<= 96 proc_a)), 95772#(and (<= proc_a 94) (<= 94 proc_a)), 95775#(and (<= proc_a 100) (<= 100 proc_a)), 95774#(and (<= 98 proc_a) (<= proc_a 98)), 95777#(and (<= proc_a 104) (<= 104 proc_a)), 95776#(and (<= 102 proc_a) (<= proc_a 102)), 95779#(and (<= proc_a 108) (<= 108 proc_a)), 95778#(and (<= 106 proc_a) (<= proc_a 106)), 95781#(and (<= proc_a 112) (<= 112 proc_a)), 95780#(and (<= proc_a 110) (<= 110 proc_a)), 95783#(and (<= 116 proc_a) (<= proc_a 116)), 95782#(and (<= 114 proc_a) (<= proc_a 114)), 95785#(and (<= 120 proc_a) (<= proc_a 120)), 95784#(and (<= proc_a 118) (<= 118 proc_a)), 95787#(and (<= proc_a 124) (<= 124 proc_a)), 95786#(and (<= proc_a 122) (<= 122 proc_a)), 95789#(and (<= 128 proc_a) (<= proc_a 128)), 95788#(and (<= proc_a 126) (<= 126 proc_a)), 95791#(and (<= 132 proc_a) (<= proc_a 132)), 95790#(and (<= proc_a 130) (<= 130 proc_a)), 95793#(and (<= proc_a 136) (<= 136 proc_a)), 95792#(and (<= proc_a 134) (<= 134 proc_a)), 95795#(and (<= proc_a 140) (<= 140 proc_a)), 95794#(and (<= proc_a 138) (<= 138 proc_a)), 95797#(and (<= 144 proc_a) (<= proc_a 144)), 95796#(and (<= 142 proc_a) (<= proc_a 142)), 95799#(and (<= 148 proc_a) (<= proc_a 148)), 95798#(and (<= proc_a 146) (<= 146 proc_a)), 95801#(and (<= proc_a 152) (<= 152 proc_a)), 95800#(and (<= proc_a 150) (<= 150 proc_a)), 95803#(and (<= 156 proc_a) (<= proc_a 156)), 95802#(and (<= 154 proc_a) (<= proc_a 154)), 95805#(and (<= 160 proc_a) (<= proc_a 160)), 95804#(and (<= proc_a 158) (<= 158 proc_a)), 95807#(and (<= 164 proc_a) (<= proc_a 164)), 95806#(and (<= proc_a 162) (<= 162 proc_a)), 95809#(and (<= 168 proc_a) (<= proc_a 168)), 95808#(and (<= 166 proc_a) (<= proc_a 166)), 95811#(and (<= 172 proc_a) (<= proc_a 172)), 95810#(and (<= 170 proc_a) (<= proc_a 170)), 95813#(and (<= 176 proc_a) (<= proc_a 176)), 95812#(and (<= proc_a 174) (<= 174 proc_a)), 95815#(and (<= proc_a 180) (<= 180 proc_a)), 95814#(and (<= 178 proc_a) (<= proc_a 178)), 95817#(and (<= 184 proc_a) (<= proc_a 184)), 95816#(and (<= proc_a 182) (<= 182 proc_a)), 95819#(and (<= 188 proc_a) (<= proc_a 188)), 95818#(and (<= 186 proc_a) (<= proc_a 186)), 95821#(and (<= proc_a 192) (<= 192 proc_a)), 95820#(and (<= 190 proc_a) (<= proc_a 190)), 95823#(and (<= proc_a 196) (<= 196 proc_a)), 95822#(and (<= 194 proc_a) (<= proc_a 194)), 95825#(and (<= proc_a 200) (<= 200 proc_a)), 95824#(and (<= 198 proc_a) (<= proc_a 198)), 95827#(and (<= 204 proc_a) (<= proc_a 204)), 95826#(and (<= proc_a 202) (<= 202 proc_a)), 95829#(and (<= 208 proc_a) (<= proc_a 208)), 95828#(and (<= 206 proc_a) (<= proc_a 206)), 95831#(and (<= proc_a 212) (<= 212 proc_a)), 95830#(and (<= proc_a 210) (<= 210 proc_a)), 95833#(and (<= 216 proc_a) (<= proc_a 216)), 95832#(and (<= 214 proc_a) (<= proc_a 214)), 95835#(and (<= proc_a 220) (<= 220 proc_a)), 95834#(and (<= proc_a 218) (<= 218 proc_a)), 95837#(and (<= 224 proc_a) (<= proc_a 224)), 95836#(and (<= 222 proc_a) (<= proc_a 222)), 95839#(and (<= 228 proc_a) (<= proc_a 228)), 95838#(and (<= proc_a 226) (<= 226 proc_a)), 95841#(and (<= 232 proc_a) (<= proc_a 232)), 95840#(and (<= proc_a 230) (<= 230 proc_a)), 95843#(and (<= proc_a 236) (<= 236 proc_a)), 95842#(and (<= proc_a 234) (<= 234 proc_a)), 95845#(and (<= 240 proc_a) (<= proc_a 240)), 95844#(and (<= 238 proc_a) (<= proc_a 238)), 95847#(and (<= proc_a 244) (<= 244 proc_a)), 95846#(and (<= proc_a 242) (<= 242 proc_a)), 95849#(and (<= 248 proc_a) (<= proc_a 248)), 95848#(and (<= proc_a 246) (<= 246 proc_a)), 95851#(and (<= 252 proc_a) (<= proc_a 252)), 95850#(and (<= proc_a 250) (<= 250 proc_a)), 95853#(and (<= proc_a 256) (<= 256 proc_a)), 95852#(and (<= 254 proc_a) (<= proc_a 254)), 95855#(and (<= proc_a 260) (<= 260 proc_a)), 95854#(and (<= 258 proc_a) (<= proc_a 258)), 95857#(and (<= proc_a 264) (<= 264 proc_a)), 95856#(and (<= 262 proc_a) (<= proc_a 262)), 95859#(and (<= proc_a 268) (<= 268 proc_a)), 95858#(and (<= 266 proc_a) (<= proc_a 266)), 95861#(and (<= proc_a 272) (<= 272 proc_a)), 95860#(and (<= proc_a 270) (<= 270 proc_a)), 95863#(and (<= proc_a 276) (<= 276 proc_a)), 95862#(and (<= proc_a 274) (<= 274 proc_a)), 95865#(and (<= proc_a 280) (<= 280 proc_a)), 95864#(and (<= proc_a 278) (<= 278 proc_a)), 95867#(and (<= proc_a 284) (<= 284 proc_a)), 95866#(and (<= proc_a 282) (<= 282 proc_a)), 95869#(and (<= proc_a 288) (<= 288 proc_a)), 95868#(and (<= proc_a 286) (<= 286 proc_a)), 95871#(and (<= proc_a 292) (<= 292 proc_a)), 95870#(and (<= proc_a 290) (<= 290 proc_a)), 95873#(and (<= 296 proc_a) (<= proc_a 296)), 95872#(and (<= 294 proc_a) (<= proc_a 294)), 95875#(and (<= proc_a 300) (<= 300 proc_a)), 95874#(and (<= 298 proc_a) (<= proc_a 298)), 95877#(and (<= proc_a 304) (<= 304 proc_a)), 95876#(and (<= proc_a 302) (<= 302 proc_a)), 95879#(and (<= 308 proc_a) (<= proc_a 308)), 95878#(and (<= 306 proc_a) (<= proc_a 306)), 95881#(and (<= proc_a 312) (<= 312 proc_a)), 95880#(and (<= proc_a 310) (<= 310 proc_a)), 95883#(and (<= 316 proc_a) (<= proc_a 316)), 95882#(and (<= proc_a 314) (<= 314 proc_a)), 95885#(and (<= proc_a 320) (<= 320 proc_a)), 95884#(and (<= 318 proc_a) (<= proc_a 318)), 95887#(and (<= 324 proc_a) (<= proc_a 324)), 95886#(and (<= proc_a 322) (<= 322 proc_a)), 95889#(and (<= proc_a 328) (<= 328 proc_a)), 95888#(and (<= proc_a 326) (<= 326 proc_a)), 95891#(and (<= proc_a 332) (<= 332 proc_a)), 95890#(and (<= proc_a 330) (<= 330 proc_a)), 95893#(and (<= 336 proc_a) (<= proc_a 336)), 95892#(and (<= 334 proc_a) (<= proc_a 334)), 95895#(and (<= proc_a 340) (<= 340 proc_a)), 95894#(and (<= proc_a 338) (<= 338 proc_a)), 95897#(and (<= 344 proc_a) (<= proc_a 344)), 95896#(and (<= 342 proc_a) (<= proc_a 342)), 95899#(and (<= 348 proc_a) (<= proc_a 348)), 95898#(and (<= proc_a 346) (<= 346 proc_a)), 95901#(and (<= 352 proc_a) (<= proc_a 352)), 95900#(and (<= proc_a 350) (<= 350 proc_a)), 95903#(and (<= proc_a 356) (<= 356 proc_a)), 95902#(and (<= proc_a 354) (<= 354 proc_a)), 95905#(and (<= proc_a 360) (<= 360 proc_a)), 95904#(and (<= 358 proc_a) (<= proc_a 358)), 95907#(and (<= proc_a 364) (<= 364 proc_a)), 95906#(and (<= proc_a 362) (<= 362 proc_a)), 95909#(and (<= proc_a 368) (<= 368 proc_a)), 95908#(and (<= 366 proc_a) (<= proc_a 366)), 95911#(and (<= 372 proc_a) (<= proc_a 372)), 95910#(and (<= 370 proc_a) (<= proc_a 370)), 95913#(and (<= 376 proc_a) (<= proc_a 376)), 95912#(and (<= proc_a 374) (<= 374 proc_a)), 95915#(and (<= proc_a 380) (<= 380 proc_a)), 95914#(and (<= 378 proc_a) (<= proc_a 378)), 95917#(and (<= proc_a 384) (<= 384 proc_a)), 95916#(and (<= proc_a 382) (<= 382 proc_a)), 95723#true, 95725#(and (<= proc_a 0) (<= 0 proc_a)), 95724#false, 95727#(and (<= 4 proc_a) (<= proc_a 4)), 95726#(and (<= 2 proc_a) (<= proc_a 2)), 95729#(and (<= proc_a 8) (<= 8 proc_a)), 95728#(and (<= 6 proc_a) (<= proc_a 6)), 95731#(and (<= proc_a 12) (<= 12 proc_a)), 95730#(and (<= 10 proc_a) (<= proc_a 10)), 95733#(and (<= proc_a 16) (<= 16 proc_a)), 95732#(and (<= 14 proc_a) (<= proc_a 14)), 95735#(and (<= 20 proc_a) (<= proc_a 20)), 95734#(and (<= 18 proc_a) (<= proc_a 18)), 95737#(and (<= 24 proc_a) (<= proc_a 24)), 95736#(and (<= 22 proc_a) (<= proc_a 22)), 95739#(and (<= proc_a 28) (<= 28 proc_a)), 95738#(and (<= 26 proc_a) (<= proc_a 26)), 95741#(and (<= 32 proc_a) (<= proc_a 32)), 95740#(and (<= proc_a 30) (<= 30 proc_a)), 95743#(and (<= 36 proc_a) (<= proc_a 36)), 95742#(and (<= 34 proc_a) (<= proc_a 34))] [2018-07-23 13:54:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 18528 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:39,926 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:54:39,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:54:39,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=37443, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:54:39,928 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 195 states. [2018-07-23 13:54:41,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:41,911 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:54:41,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:54:41,912 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 194 [2018-07-23 13:54:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:41,912 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:54:41,912 INFO L226 Difference]: Without dead ends: 196 [2018-07-23 13:54:41,914 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=387, Invalid=37443, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:54:41,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-07-23 13:54:41,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-07-23 13:54:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-07-23 13:54:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 196 transitions. [2018-07-23 13:54:41,920 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 196 transitions. Word has length 194 [2018-07-23 13:54:41,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:41,920 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 196 transitions. [2018-07-23 13:54:41,920 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:54:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 196 transitions. [2018-07-23 13:54:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-23 13:54:41,920 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:41,921 INFO L357 BasicCegarLoop]: trace histogram [193, 1, 1] [2018-07-23 13:54:41,921 INFO L414 AbstractCegarLoop]: === Iteration 194 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:41,921 INFO L82 PathProgramCache]: Analyzing trace with hash -433898271, now seen corresponding path program 193 times [2018-07-23 13:54:41,921 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18721 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,597 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:43,597 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:54:43,597 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,598 INFO L185 omatonBuilderFactory]: Interpolants [96769#(and (<= proc_a 126) (<= 126 proc_a)), 96768#(and (<= proc_a 124) (<= 124 proc_a)), 96771#(and (<= proc_a 130) (<= 130 proc_a)), 96770#(and (<= 128 proc_a) (<= proc_a 128)), 96773#(and (<= proc_a 134) (<= 134 proc_a)), 96772#(and (<= 132 proc_a) (<= proc_a 132)), 96775#(and (<= proc_a 138) (<= 138 proc_a)), 96774#(and (<= proc_a 136) (<= 136 proc_a)), 96777#(and (<= 142 proc_a) (<= proc_a 142)), 96776#(and (<= proc_a 140) (<= 140 proc_a)), 96779#(and (<= proc_a 146) (<= 146 proc_a)), 96778#(and (<= 144 proc_a) (<= proc_a 144)), 96781#(and (<= proc_a 150) (<= 150 proc_a)), 96780#(and (<= 148 proc_a) (<= proc_a 148)), 96783#(and (<= 154 proc_a) (<= proc_a 154)), 96782#(and (<= proc_a 152) (<= 152 proc_a)), 96785#(and (<= proc_a 158) (<= 158 proc_a)), 96784#(and (<= 156 proc_a) (<= proc_a 156)), 96787#(and (<= proc_a 162) (<= 162 proc_a)), 96786#(and (<= 160 proc_a) (<= proc_a 160)), 96789#(and (<= 166 proc_a) (<= proc_a 166)), 96788#(and (<= 164 proc_a) (<= proc_a 164)), 96791#(and (<= 170 proc_a) (<= proc_a 170)), 96790#(and (<= 168 proc_a) (<= proc_a 168)), 96793#(and (<= proc_a 174) (<= 174 proc_a)), 96792#(and (<= 172 proc_a) (<= proc_a 172)), 96795#(and (<= 178 proc_a) (<= proc_a 178)), 96794#(and (<= 176 proc_a) (<= proc_a 176)), 96797#(and (<= proc_a 182) (<= 182 proc_a)), 96796#(and (<= proc_a 180) (<= 180 proc_a)), 96799#(and (<= 186 proc_a) (<= proc_a 186)), 96798#(and (<= 184 proc_a) (<= proc_a 184)), 96801#(and (<= 190 proc_a) (<= proc_a 190)), 96800#(and (<= 188 proc_a) (<= proc_a 188)), 96803#(and (<= 194 proc_a) (<= proc_a 194)), 96802#(and (<= proc_a 192) (<= 192 proc_a)), 96805#(and (<= 198 proc_a) (<= proc_a 198)), 96804#(and (<= proc_a 196) (<= 196 proc_a)), 96807#(and (<= proc_a 202) (<= 202 proc_a)), 96806#(and (<= proc_a 200) (<= 200 proc_a)), 96809#(and (<= 206 proc_a) (<= proc_a 206)), 96808#(and (<= 204 proc_a) (<= proc_a 204)), 96811#(and (<= proc_a 210) (<= 210 proc_a)), 96810#(and (<= 208 proc_a) (<= proc_a 208)), 96813#(and (<= 214 proc_a) (<= proc_a 214)), 96812#(and (<= proc_a 212) (<= 212 proc_a)), 96815#(and (<= proc_a 218) (<= 218 proc_a)), 96814#(and (<= 216 proc_a) (<= proc_a 216)), 96817#(and (<= 222 proc_a) (<= proc_a 222)), 96816#(and (<= proc_a 220) (<= 220 proc_a)), 96819#(and (<= proc_a 226) (<= 226 proc_a)), 96818#(and (<= 224 proc_a) (<= proc_a 224)), 96821#(and (<= proc_a 230) (<= 230 proc_a)), 96820#(and (<= 228 proc_a) (<= proc_a 228)), 96823#(and (<= proc_a 234) (<= 234 proc_a)), 96822#(and (<= 232 proc_a) (<= proc_a 232)), 96825#(and (<= 238 proc_a) (<= proc_a 238)), 96824#(and (<= proc_a 236) (<= 236 proc_a)), 96827#(and (<= proc_a 242) (<= 242 proc_a)), 96826#(and (<= 240 proc_a) (<= proc_a 240)), 96829#(and (<= proc_a 246) (<= 246 proc_a)), 96828#(and (<= proc_a 244) (<= 244 proc_a)), 96831#(and (<= proc_a 250) (<= 250 proc_a)), 96830#(and (<= 248 proc_a) (<= proc_a 248)), 96833#(and (<= 254 proc_a) (<= proc_a 254)), 96832#(and (<= 252 proc_a) (<= proc_a 252)), 96835#(and (<= 258 proc_a) (<= proc_a 258)), 96834#(and (<= proc_a 256) (<= 256 proc_a)), 96837#(and (<= 262 proc_a) (<= proc_a 262)), 96836#(and (<= proc_a 260) (<= 260 proc_a)), 96839#(and (<= 266 proc_a) (<= proc_a 266)), 96838#(and (<= proc_a 264) (<= 264 proc_a)), 96841#(and (<= proc_a 270) (<= 270 proc_a)), 96840#(and (<= proc_a 268) (<= 268 proc_a)), 96843#(and (<= proc_a 274) (<= 274 proc_a)), 96842#(and (<= proc_a 272) (<= 272 proc_a)), 96845#(and (<= proc_a 278) (<= 278 proc_a)), 96844#(and (<= proc_a 276) (<= 276 proc_a)), 96847#(and (<= proc_a 282) (<= 282 proc_a)), 96846#(and (<= proc_a 280) (<= 280 proc_a)), 96849#(and (<= proc_a 286) (<= 286 proc_a)), 96848#(and (<= proc_a 284) (<= 284 proc_a)), 96851#(and (<= proc_a 290) (<= 290 proc_a)), 96850#(and (<= proc_a 288) (<= 288 proc_a)), 96853#(and (<= 294 proc_a) (<= proc_a 294)), 96852#(and (<= proc_a 292) (<= 292 proc_a)), 96855#(and (<= 298 proc_a) (<= proc_a 298)), 96854#(and (<= 296 proc_a) (<= proc_a 296)), 96857#(and (<= proc_a 302) (<= 302 proc_a)), 96856#(and (<= proc_a 300) (<= 300 proc_a)), 96859#(and (<= 306 proc_a) (<= proc_a 306)), 96858#(and (<= proc_a 304) (<= 304 proc_a)), 96861#(and (<= proc_a 310) (<= 310 proc_a)), 96860#(and (<= 308 proc_a) (<= proc_a 308)), 96863#(and (<= proc_a 314) (<= 314 proc_a)), 96862#(and (<= proc_a 312) (<= 312 proc_a)), 96865#(and (<= 318 proc_a) (<= proc_a 318)), 96864#(and (<= 316 proc_a) (<= proc_a 316)), 96867#(and (<= proc_a 322) (<= 322 proc_a)), 96866#(and (<= proc_a 320) (<= 320 proc_a)), 96869#(and (<= proc_a 326) (<= 326 proc_a)), 96868#(and (<= 324 proc_a) (<= proc_a 324)), 96871#(and (<= proc_a 330) (<= 330 proc_a)), 96870#(and (<= proc_a 328) (<= 328 proc_a)), 96873#(and (<= 334 proc_a) (<= proc_a 334)), 96872#(and (<= proc_a 332) (<= 332 proc_a)), 96875#(and (<= proc_a 338) (<= 338 proc_a)), 96874#(and (<= 336 proc_a) (<= proc_a 336)), 96877#(and (<= 342 proc_a) (<= proc_a 342)), 96876#(and (<= proc_a 340) (<= 340 proc_a)), 96879#(and (<= proc_a 346) (<= 346 proc_a)), 96878#(and (<= 344 proc_a) (<= proc_a 344)), 96881#(and (<= proc_a 350) (<= 350 proc_a)), 96880#(and (<= 348 proc_a) (<= proc_a 348)), 96883#(and (<= proc_a 354) (<= 354 proc_a)), 96882#(and (<= 352 proc_a) (<= proc_a 352)), 96885#(and (<= 358 proc_a) (<= proc_a 358)), 96884#(and (<= proc_a 356) (<= 356 proc_a)), 96887#(and (<= proc_a 362) (<= 362 proc_a)), 96886#(and (<= proc_a 360) (<= 360 proc_a)), 96889#(and (<= 366 proc_a) (<= proc_a 366)), 96888#(and (<= proc_a 364) (<= 364 proc_a)), 96891#(and (<= 370 proc_a) (<= proc_a 370)), 96890#(and (<= proc_a 368) (<= 368 proc_a)), 96893#(and (<= proc_a 374) (<= 374 proc_a)), 96892#(and (<= 372 proc_a) (<= proc_a 372)), 96895#(and (<= 378 proc_a) (<= proc_a 378)), 96894#(and (<= 376 proc_a) (<= proc_a 376)), 96897#(and (<= proc_a 382) (<= 382 proc_a)), 96896#(and (<= proc_a 380) (<= 380 proc_a)), 96899#(and (<= proc_a 386) (<= 386 proc_a)), 96898#(and (<= proc_a 384) (<= 384 proc_a)), 96705#false, 96704#true, 96707#(and (<= 2 proc_a) (<= proc_a 2)), 96706#(and (<= proc_a 0) (<= 0 proc_a)), 96709#(and (<= 6 proc_a) (<= proc_a 6)), 96708#(and (<= 4 proc_a) (<= proc_a 4)), 96711#(and (<= 10 proc_a) (<= proc_a 10)), 96710#(and (<= proc_a 8) (<= 8 proc_a)), 96713#(and (<= 14 proc_a) (<= proc_a 14)), 96712#(and (<= proc_a 12) (<= 12 proc_a)), 96715#(and (<= 18 proc_a) (<= proc_a 18)), 96714#(and (<= proc_a 16) (<= 16 proc_a)), 96717#(and (<= 22 proc_a) (<= proc_a 22)), 96716#(and (<= 20 proc_a) (<= proc_a 20)), 96719#(and (<= 26 proc_a) (<= proc_a 26)), 96718#(and (<= 24 proc_a) (<= proc_a 24)), 96721#(and (<= proc_a 30) (<= 30 proc_a)), 96720#(and (<= proc_a 28) (<= 28 proc_a)), 96723#(and (<= 34 proc_a) (<= proc_a 34)), 96722#(and (<= 32 proc_a) (<= proc_a 32)), 96725#(and (<= 38 proc_a) (<= proc_a 38)), 96724#(and (<= 36 proc_a) (<= proc_a 36)), 96727#(and (<= proc_a 42) (<= 42 proc_a)), 96726#(and (<= 40 proc_a) (<= proc_a 40)), 96729#(and (<= proc_a 46) (<= 46 proc_a)), 96728#(and (<= proc_a 44) (<= 44 proc_a)), 96731#(and (<= 50 proc_a) (<= proc_a 50)), 96730#(and (<= 48 proc_a) (<= proc_a 48)), 96733#(and (<= 54 proc_a) (<= proc_a 54)), 96732#(and (<= 52 proc_a) (<= proc_a 52)), 96735#(and (<= proc_a 58) (<= 58 proc_a)), 96734#(and (<= proc_a 56) (<= 56 proc_a)), 96737#(and (<= 62 proc_a) (<= proc_a 62)), 96736#(and (<= 60 proc_a) (<= proc_a 60)), 96739#(and (<= 66 proc_a) (<= proc_a 66)), 96738#(and (<= 64 proc_a) (<= proc_a 64)), 96741#(and (<= proc_a 70) (<= 70 proc_a)), 96740#(and (<= 68 proc_a) (<= proc_a 68)), 96743#(and (<= proc_a 74) (<= 74 proc_a)), 96742#(and (<= 72 proc_a) (<= proc_a 72)), 96745#(and (<= 78 proc_a) (<= proc_a 78)), 96744#(and (<= proc_a 76) (<= 76 proc_a)), 96747#(and (<= 82 proc_a) (<= proc_a 82)), 96746#(and (<= proc_a 80) (<= 80 proc_a)), 96749#(and (<= 86 proc_a) (<= proc_a 86)), 96748#(and (<= proc_a 84) (<= 84 proc_a)), 96751#(and (<= proc_a 90) (<= 90 proc_a)), 96750#(and (<= 88 proc_a) (<= proc_a 88)), 96753#(and (<= proc_a 94) (<= 94 proc_a)), 96752#(and (<= 92 proc_a) (<= proc_a 92)), 96755#(and (<= 98 proc_a) (<= proc_a 98)), 96754#(and (<= proc_a 96) (<= 96 proc_a)), 96757#(and (<= 102 proc_a) (<= proc_a 102)), 96756#(and (<= proc_a 100) (<= 100 proc_a)), 96759#(and (<= 106 proc_a) (<= proc_a 106)), 96758#(and (<= proc_a 104) (<= 104 proc_a)), 96761#(and (<= proc_a 110) (<= 110 proc_a)), 96760#(and (<= proc_a 108) (<= 108 proc_a)), 96763#(and (<= 114 proc_a) (<= proc_a 114)), 96762#(and (<= proc_a 112) (<= 112 proc_a)), 96765#(and (<= proc_a 118) (<= 118 proc_a)), 96764#(and (<= 116 proc_a) (<= proc_a 116)), 96767#(and (<= proc_a 122) (<= 122 proc_a)), 96766#(and (<= 120 proc_a) (<= proc_a 120))] [2018-07-23 13:54:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 18721 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:43,599 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:54:43,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:54:43,601 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=37831, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:54:43,601 INFO L87 Difference]: Start difference. First operand 196 states and 196 transitions. Second operand 196 states. [2018-07-23 13:54:45,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:45,579 INFO L93 Difference]: Finished difference Result 198 states and 198 transitions. [2018-07-23 13:54:45,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:54:45,579 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 195 [2018-07-23 13:54:45,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:45,579 INFO L225 Difference]: With dead ends: 198 [2018-07-23 13:54:45,579 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:54:45,581 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=389, Invalid=37831, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:54:45,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:54:45,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:54:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:54:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:54:45,586 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 195 [2018-07-23 13:54:45,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:45,587 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:54:45,587 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:54:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:54:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:54:45,587 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:45,587 INFO L357 BasicCegarLoop]: trace histogram [194, 1, 1] [2018-07-23 13:54:45,587 INFO L414 AbstractCegarLoop]: === Iteration 195 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:45,588 INFO L82 PathProgramCache]: Analyzing trace with hash -565944569, now seen corresponding path program 194 times [2018-07-23 13:54:45,588 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 18915 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:47,191 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:47,191 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:54:47,191 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:47,192 INFO L185 omatonBuilderFactory]: Interpolants [97793#(and (<= proc_a 202) (<= 202 proc_a)), 97792#(and (<= proc_a 200) (<= 200 proc_a)), 97795#(and (<= 206 proc_a) (<= proc_a 206)), 97794#(and (<= 204 proc_a) (<= proc_a 204)), 97797#(and (<= proc_a 210) (<= 210 proc_a)), 97796#(and (<= 208 proc_a) (<= proc_a 208)), 97799#(and (<= 214 proc_a) (<= proc_a 214)), 97798#(and (<= proc_a 212) (<= 212 proc_a)), 97801#(and (<= proc_a 218) (<= 218 proc_a)), 97800#(and (<= 216 proc_a) (<= proc_a 216)), 97803#(and (<= 222 proc_a) (<= proc_a 222)), 97802#(and (<= proc_a 220) (<= 220 proc_a)), 97805#(and (<= proc_a 226) (<= 226 proc_a)), 97804#(and (<= 224 proc_a) (<= proc_a 224)), 97807#(and (<= proc_a 230) (<= 230 proc_a)), 97806#(and (<= 228 proc_a) (<= proc_a 228)), 97809#(and (<= proc_a 234) (<= 234 proc_a)), 97808#(and (<= 232 proc_a) (<= proc_a 232)), 97811#(and (<= 238 proc_a) (<= proc_a 238)), 97810#(and (<= proc_a 236) (<= 236 proc_a)), 97813#(and (<= proc_a 242) (<= 242 proc_a)), 97812#(and (<= 240 proc_a) (<= proc_a 240)), 97815#(and (<= proc_a 246) (<= 246 proc_a)), 97814#(and (<= proc_a 244) (<= 244 proc_a)), 97817#(and (<= proc_a 250) (<= 250 proc_a)), 97816#(and (<= 248 proc_a) (<= proc_a 248)), 97819#(and (<= 254 proc_a) (<= proc_a 254)), 97818#(and (<= 252 proc_a) (<= proc_a 252)), 97821#(and (<= 258 proc_a) (<= proc_a 258)), 97820#(and (<= proc_a 256) (<= 256 proc_a)), 97823#(and (<= 262 proc_a) (<= proc_a 262)), 97822#(and (<= proc_a 260) (<= 260 proc_a)), 97825#(and (<= 266 proc_a) (<= proc_a 266)), 97824#(and (<= proc_a 264) (<= 264 proc_a)), 97827#(and (<= proc_a 270) (<= 270 proc_a)), 97826#(and (<= proc_a 268) (<= 268 proc_a)), 97829#(and (<= proc_a 274) (<= 274 proc_a)), 97828#(and (<= proc_a 272) (<= 272 proc_a)), 97831#(and (<= proc_a 278) (<= 278 proc_a)), 97830#(and (<= proc_a 276) (<= 276 proc_a)), 97833#(and (<= proc_a 282) (<= 282 proc_a)), 97832#(and (<= proc_a 280) (<= 280 proc_a)), 97835#(and (<= proc_a 286) (<= 286 proc_a)), 97834#(and (<= proc_a 284) (<= 284 proc_a)), 97837#(and (<= proc_a 290) (<= 290 proc_a)), 97836#(and (<= proc_a 288) (<= 288 proc_a)), 97839#(and (<= 294 proc_a) (<= proc_a 294)), 97838#(and (<= proc_a 292) (<= 292 proc_a)), 97841#(and (<= 298 proc_a) (<= proc_a 298)), 97840#(and (<= 296 proc_a) (<= proc_a 296)), 97843#(and (<= proc_a 302) (<= 302 proc_a)), 97842#(and (<= proc_a 300) (<= 300 proc_a)), 97845#(and (<= 306 proc_a) (<= proc_a 306)), 97844#(and (<= proc_a 304) (<= 304 proc_a)), 97847#(and (<= proc_a 310) (<= 310 proc_a)), 97846#(and (<= 308 proc_a) (<= proc_a 308)), 97849#(and (<= proc_a 314) (<= 314 proc_a)), 97848#(and (<= proc_a 312) (<= 312 proc_a)), 97851#(and (<= 318 proc_a) (<= proc_a 318)), 97850#(and (<= 316 proc_a) (<= proc_a 316)), 97853#(and (<= proc_a 322) (<= 322 proc_a)), 97852#(and (<= proc_a 320) (<= 320 proc_a)), 97855#(and (<= proc_a 326) (<= 326 proc_a)), 97854#(and (<= 324 proc_a) (<= proc_a 324)), 97857#(and (<= proc_a 330) (<= 330 proc_a)), 97856#(and (<= proc_a 328) (<= 328 proc_a)), 97859#(and (<= 334 proc_a) (<= proc_a 334)), 97858#(and (<= proc_a 332) (<= 332 proc_a)), 97861#(and (<= proc_a 338) (<= 338 proc_a)), 97860#(and (<= 336 proc_a) (<= proc_a 336)), 97863#(and (<= 342 proc_a) (<= proc_a 342)), 97862#(and (<= proc_a 340) (<= 340 proc_a)), 97865#(and (<= proc_a 346) (<= 346 proc_a)), 97864#(and (<= 344 proc_a) (<= proc_a 344)), 97867#(and (<= proc_a 350) (<= 350 proc_a)), 97866#(and (<= 348 proc_a) (<= proc_a 348)), 97869#(and (<= proc_a 354) (<= 354 proc_a)), 97868#(and (<= 352 proc_a) (<= proc_a 352)), 97871#(and (<= 358 proc_a) (<= proc_a 358)), 97870#(and (<= proc_a 356) (<= 356 proc_a)), 97873#(and (<= proc_a 362) (<= 362 proc_a)), 97872#(and (<= proc_a 360) (<= 360 proc_a)), 97875#(and (<= 366 proc_a) (<= proc_a 366)), 97874#(and (<= proc_a 364) (<= 364 proc_a)), 97877#(and (<= 370 proc_a) (<= proc_a 370)), 97876#(and (<= proc_a 368) (<= 368 proc_a)), 97879#(and (<= proc_a 374) (<= 374 proc_a)), 97878#(and (<= 372 proc_a) (<= proc_a 372)), 97881#(and (<= 378 proc_a) (<= proc_a 378)), 97880#(and (<= 376 proc_a) (<= proc_a 376)), 97883#(and (<= proc_a 382) (<= 382 proc_a)), 97882#(and (<= proc_a 380) (<= 380 proc_a)), 97885#(and (<= proc_a 386) (<= 386 proc_a)), 97884#(and (<= proc_a 384) (<= 384 proc_a)), 97886#(and (<= proc_a 388) (<= 388 proc_a)), 97691#false, 97690#true, 97693#(and (<= 2 proc_a) (<= proc_a 2)), 97692#(and (<= proc_a 0) (<= 0 proc_a)), 97695#(and (<= 6 proc_a) (<= proc_a 6)), 97694#(and (<= 4 proc_a) (<= proc_a 4)), 97697#(and (<= 10 proc_a) (<= proc_a 10)), 97696#(and (<= proc_a 8) (<= 8 proc_a)), 97699#(and (<= 14 proc_a) (<= proc_a 14)), 97698#(and (<= proc_a 12) (<= 12 proc_a)), 97701#(and (<= 18 proc_a) (<= proc_a 18)), 97700#(and (<= proc_a 16) (<= 16 proc_a)), 97703#(and (<= 22 proc_a) (<= proc_a 22)), 97702#(and (<= 20 proc_a) (<= proc_a 20)), 97705#(and (<= 26 proc_a) (<= proc_a 26)), 97704#(and (<= 24 proc_a) (<= proc_a 24)), 97707#(and (<= proc_a 30) (<= 30 proc_a)), 97706#(and (<= proc_a 28) (<= 28 proc_a)), 97709#(and (<= 34 proc_a) (<= proc_a 34)), 97708#(and (<= 32 proc_a) (<= proc_a 32)), 97711#(and (<= 38 proc_a) (<= proc_a 38)), 97710#(and (<= 36 proc_a) (<= proc_a 36)), 97713#(and (<= proc_a 42) (<= 42 proc_a)), 97712#(and (<= 40 proc_a) (<= proc_a 40)), 97715#(and (<= proc_a 46) (<= 46 proc_a)), 97714#(and (<= proc_a 44) (<= 44 proc_a)), 97717#(and (<= 50 proc_a) (<= proc_a 50)), 97716#(and (<= 48 proc_a) (<= proc_a 48)), 97719#(and (<= 54 proc_a) (<= proc_a 54)), 97718#(and (<= 52 proc_a) (<= proc_a 52)), 97721#(and (<= proc_a 58) (<= 58 proc_a)), 97720#(and (<= proc_a 56) (<= 56 proc_a)), 97723#(and (<= 62 proc_a) (<= proc_a 62)), 97722#(and (<= 60 proc_a) (<= proc_a 60)), 97725#(and (<= 66 proc_a) (<= proc_a 66)), 97724#(and (<= 64 proc_a) (<= proc_a 64)), 97727#(and (<= proc_a 70) (<= 70 proc_a)), 97726#(and (<= 68 proc_a) (<= proc_a 68)), 97729#(and (<= proc_a 74) (<= 74 proc_a)), 97728#(and (<= 72 proc_a) (<= proc_a 72)), 97731#(and (<= 78 proc_a) (<= proc_a 78)), 97730#(and (<= proc_a 76) (<= 76 proc_a)), 97733#(and (<= 82 proc_a) (<= proc_a 82)), 97732#(and (<= proc_a 80) (<= 80 proc_a)), 97735#(and (<= 86 proc_a) (<= proc_a 86)), 97734#(and (<= proc_a 84) (<= 84 proc_a)), 97737#(and (<= proc_a 90) (<= 90 proc_a)), 97736#(and (<= 88 proc_a) (<= proc_a 88)), 97739#(and (<= proc_a 94) (<= 94 proc_a)), 97738#(and (<= 92 proc_a) (<= proc_a 92)), 97741#(and (<= 98 proc_a) (<= proc_a 98)), 97740#(and (<= proc_a 96) (<= 96 proc_a)), 97743#(and (<= 102 proc_a) (<= proc_a 102)), 97742#(and (<= proc_a 100) (<= 100 proc_a)), 97745#(and (<= 106 proc_a) (<= proc_a 106)), 97744#(and (<= proc_a 104) (<= 104 proc_a)), 97747#(and (<= proc_a 110) (<= 110 proc_a)), 97746#(and (<= proc_a 108) (<= 108 proc_a)), 97749#(and (<= 114 proc_a) (<= proc_a 114)), 97748#(and (<= proc_a 112) (<= 112 proc_a)), 97751#(and (<= proc_a 118) (<= 118 proc_a)), 97750#(and (<= 116 proc_a) (<= proc_a 116)), 97753#(and (<= proc_a 122) (<= 122 proc_a)), 97752#(and (<= 120 proc_a) (<= proc_a 120)), 97755#(and (<= proc_a 126) (<= 126 proc_a)), 97754#(and (<= proc_a 124) (<= 124 proc_a)), 97757#(and (<= proc_a 130) (<= 130 proc_a)), 97756#(and (<= 128 proc_a) (<= proc_a 128)), 97759#(and (<= proc_a 134) (<= 134 proc_a)), 97758#(and (<= 132 proc_a) (<= proc_a 132)), 97761#(and (<= proc_a 138) (<= 138 proc_a)), 97760#(and (<= proc_a 136) (<= 136 proc_a)), 97763#(and (<= 142 proc_a) (<= proc_a 142)), 97762#(and (<= proc_a 140) (<= 140 proc_a)), 97765#(and (<= proc_a 146) (<= 146 proc_a)), 97764#(and (<= 144 proc_a) (<= proc_a 144)), 97767#(and (<= proc_a 150) (<= 150 proc_a)), 97766#(and (<= 148 proc_a) (<= proc_a 148)), 97769#(and (<= 154 proc_a) (<= proc_a 154)), 97768#(and (<= proc_a 152) (<= 152 proc_a)), 97771#(and (<= proc_a 158) (<= 158 proc_a)), 97770#(and (<= 156 proc_a) (<= proc_a 156)), 97773#(and (<= proc_a 162) (<= 162 proc_a)), 97772#(and (<= 160 proc_a) (<= proc_a 160)), 97775#(and (<= 166 proc_a) (<= proc_a 166)), 97774#(and (<= 164 proc_a) (<= proc_a 164)), 97777#(and (<= 170 proc_a) (<= proc_a 170)), 97776#(and (<= 168 proc_a) (<= proc_a 168)), 97779#(and (<= proc_a 174) (<= 174 proc_a)), 97778#(and (<= 172 proc_a) (<= proc_a 172)), 97781#(and (<= 178 proc_a) (<= proc_a 178)), 97780#(and (<= 176 proc_a) (<= proc_a 176)), 97783#(and (<= proc_a 182) (<= 182 proc_a)), 97782#(and (<= proc_a 180) (<= 180 proc_a)), 97785#(and (<= 186 proc_a) (<= proc_a 186)), 97784#(and (<= 184 proc_a) (<= proc_a 184)), 97787#(and (<= 190 proc_a) (<= proc_a 190)), 97786#(and (<= 188 proc_a) (<= proc_a 188)), 97789#(and (<= 194 proc_a) (<= proc_a 194)), 97788#(and (<= proc_a 192) (<= 192 proc_a)), 97791#(and (<= 198 proc_a) (<= proc_a 198)), 97790#(and (<= proc_a 196) (<= 196 proc_a))] [2018-07-23 13:54:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 18915 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:47,192 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:54:47,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:54:47,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=38221, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:54:47,194 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 197 states. [2018-07-23 13:54:49,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:49,162 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:54:49,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:54:49,162 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 196 [2018-07-23 13:54:49,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:49,162 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:54:49,162 INFO L226 Difference]: Without dead ends: 198 [2018-07-23 13:54:49,164 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=391, Invalid=38221, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:54:49,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-07-23 13:54:49,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-07-23 13:54:49,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-07-23 13:54:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 198 transitions. [2018-07-23 13:54:49,172 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 198 transitions. Word has length 196 [2018-07-23 13:54:49,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:49,172 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 198 transitions. [2018-07-23 13:54:49,172 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:54:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 198 transitions. [2018-07-23 13:54:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-23 13:54:49,173 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:49,173 INFO L357 BasicCegarLoop]: trace histogram [195, 1, 1] [2018-07-23 13:54:49,173 INFO L414 AbstractCegarLoop]: === Iteration 196 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:49,174 INFO L82 PathProgramCache]: Analyzing trace with hash -364412511, now seen corresponding path program 195 times [2018-07-23 13:54:49,174 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 19110 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,857 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:50,858 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:54:50,858 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,858 INFO L185 omatonBuilderFactory]: Interpolants [98817#(and (<= proc_a 268) (<= 268 proc_a)), 98816#(and (<= 266 proc_a) (<= proc_a 266)), 98819#(and (<= proc_a 272) (<= 272 proc_a)), 98818#(and (<= proc_a 270) (<= 270 proc_a)), 98821#(and (<= proc_a 276) (<= 276 proc_a)), 98820#(and (<= proc_a 274) (<= 274 proc_a)), 98823#(and (<= proc_a 280) (<= 280 proc_a)), 98822#(and (<= proc_a 278) (<= 278 proc_a)), 98825#(and (<= proc_a 284) (<= 284 proc_a)), 98824#(and (<= proc_a 282) (<= 282 proc_a)), 98827#(and (<= proc_a 288) (<= 288 proc_a)), 98826#(and (<= proc_a 286) (<= 286 proc_a)), 98829#(and (<= proc_a 292) (<= 292 proc_a)), 98828#(and (<= proc_a 290) (<= 290 proc_a)), 98831#(and (<= 296 proc_a) (<= proc_a 296)), 98830#(and (<= 294 proc_a) (<= proc_a 294)), 98833#(and (<= proc_a 300) (<= 300 proc_a)), 98832#(and (<= 298 proc_a) (<= proc_a 298)), 98835#(and (<= proc_a 304) (<= 304 proc_a)), 98834#(and (<= proc_a 302) (<= 302 proc_a)), 98837#(and (<= 308 proc_a) (<= proc_a 308)), 98836#(and (<= 306 proc_a) (<= proc_a 306)), 98839#(and (<= proc_a 312) (<= 312 proc_a)), 98838#(and (<= proc_a 310) (<= 310 proc_a)), 98841#(and (<= 316 proc_a) (<= proc_a 316)), 98840#(and (<= proc_a 314) (<= 314 proc_a)), 98843#(and (<= proc_a 320) (<= 320 proc_a)), 98842#(and (<= 318 proc_a) (<= proc_a 318)), 98845#(and (<= 324 proc_a) (<= proc_a 324)), 98844#(and (<= proc_a 322) (<= 322 proc_a)), 98847#(and (<= proc_a 328) (<= 328 proc_a)), 98846#(and (<= proc_a 326) (<= 326 proc_a)), 98849#(and (<= proc_a 332) (<= 332 proc_a)), 98848#(and (<= proc_a 330) (<= 330 proc_a)), 98851#(and (<= 336 proc_a) (<= proc_a 336)), 98850#(and (<= 334 proc_a) (<= proc_a 334)), 98853#(and (<= proc_a 340) (<= 340 proc_a)), 98852#(and (<= proc_a 338) (<= 338 proc_a)), 98855#(and (<= 344 proc_a) (<= proc_a 344)), 98854#(and (<= 342 proc_a) (<= proc_a 342)), 98857#(and (<= 348 proc_a) (<= proc_a 348)), 98856#(and (<= proc_a 346) (<= 346 proc_a)), 98859#(and (<= 352 proc_a) (<= proc_a 352)), 98858#(and (<= proc_a 350) (<= 350 proc_a)), 98861#(and (<= proc_a 356) (<= 356 proc_a)), 98860#(and (<= proc_a 354) (<= 354 proc_a)), 98863#(and (<= proc_a 360) (<= 360 proc_a)), 98862#(and (<= 358 proc_a) (<= proc_a 358)), 98865#(and (<= proc_a 364) (<= 364 proc_a)), 98864#(and (<= proc_a 362) (<= 362 proc_a)), 98867#(and (<= proc_a 368) (<= 368 proc_a)), 98866#(and (<= 366 proc_a) (<= proc_a 366)), 98869#(and (<= 372 proc_a) (<= proc_a 372)), 98868#(and (<= 370 proc_a) (<= proc_a 370)), 98871#(and (<= 376 proc_a) (<= proc_a 376)), 98870#(and (<= proc_a 374) (<= 374 proc_a)), 98873#(and (<= proc_a 380) (<= 380 proc_a)), 98872#(and (<= 378 proc_a) (<= proc_a 378)), 98875#(and (<= proc_a 384) (<= 384 proc_a)), 98874#(and (<= proc_a 382) (<= 382 proc_a)), 98877#(and (<= proc_a 388) (<= 388 proc_a)), 98876#(and (<= proc_a 386) (<= 386 proc_a)), 98878#(and (<= 390 proc_a) (<= proc_a 390)), 98681#true, 98683#(and (<= proc_a 0) (<= 0 proc_a)), 98682#false, 98685#(and (<= 4 proc_a) (<= proc_a 4)), 98684#(and (<= 2 proc_a) (<= proc_a 2)), 98687#(and (<= proc_a 8) (<= 8 proc_a)), 98686#(and (<= 6 proc_a) (<= proc_a 6)), 98689#(and (<= proc_a 12) (<= 12 proc_a)), 98688#(and (<= 10 proc_a) (<= proc_a 10)), 98691#(and (<= proc_a 16) (<= 16 proc_a)), 98690#(and (<= 14 proc_a) (<= proc_a 14)), 98693#(and (<= 20 proc_a) (<= proc_a 20)), 98692#(and (<= 18 proc_a) (<= proc_a 18)), 98695#(and (<= 24 proc_a) (<= proc_a 24)), 98694#(and (<= 22 proc_a) (<= proc_a 22)), 98697#(and (<= proc_a 28) (<= 28 proc_a)), 98696#(and (<= 26 proc_a) (<= proc_a 26)), 98699#(and (<= 32 proc_a) (<= proc_a 32)), 98698#(and (<= proc_a 30) (<= 30 proc_a)), 98701#(and (<= 36 proc_a) (<= proc_a 36)), 98700#(and (<= 34 proc_a) (<= proc_a 34)), 98703#(and (<= 40 proc_a) (<= proc_a 40)), 98702#(and (<= 38 proc_a) (<= proc_a 38)), 98705#(and (<= proc_a 44) (<= 44 proc_a)), 98704#(and (<= proc_a 42) (<= 42 proc_a)), 98707#(and (<= 48 proc_a) (<= proc_a 48)), 98706#(and (<= proc_a 46) (<= 46 proc_a)), 98709#(and (<= 52 proc_a) (<= proc_a 52)), 98708#(and (<= 50 proc_a) (<= proc_a 50)), 98711#(and (<= proc_a 56) (<= 56 proc_a)), 98710#(and (<= 54 proc_a) (<= proc_a 54)), 98713#(and (<= 60 proc_a) (<= proc_a 60)), 98712#(and (<= proc_a 58) (<= 58 proc_a)), 98715#(and (<= 64 proc_a) (<= proc_a 64)), 98714#(and (<= 62 proc_a) (<= proc_a 62)), 98717#(and (<= 68 proc_a) (<= proc_a 68)), 98716#(and (<= 66 proc_a) (<= proc_a 66)), 98719#(and (<= 72 proc_a) (<= proc_a 72)), 98718#(and (<= proc_a 70) (<= 70 proc_a)), 98721#(and (<= proc_a 76) (<= 76 proc_a)), 98720#(and (<= proc_a 74) (<= 74 proc_a)), 98723#(and (<= proc_a 80) (<= 80 proc_a)), 98722#(and (<= 78 proc_a) (<= proc_a 78)), 98725#(and (<= proc_a 84) (<= 84 proc_a)), 98724#(and (<= 82 proc_a) (<= proc_a 82)), 98727#(and (<= 88 proc_a) (<= proc_a 88)), 98726#(and (<= 86 proc_a) (<= proc_a 86)), 98729#(and (<= 92 proc_a) (<= proc_a 92)), 98728#(and (<= proc_a 90) (<= 90 proc_a)), 98731#(and (<= proc_a 96) (<= 96 proc_a)), 98730#(and (<= proc_a 94) (<= 94 proc_a)), 98733#(and (<= proc_a 100) (<= 100 proc_a)), 98732#(and (<= 98 proc_a) (<= proc_a 98)), 98735#(and (<= proc_a 104) (<= 104 proc_a)), 98734#(and (<= 102 proc_a) (<= proc_a 102)), 98737#(and (<= proc_a 108) (<= 108 proc_a)), 98736#(and (<= 106 proc_a) (<= proc_a 106)), 98739#(and (<= proc_a 112) (<= 112 proc_a)), 98738#(and (<= proc_a 110) (<= 110 proc_a)), 98741#(and (<= 116 proc_a) (<= proc_a 116)), 98740#(and (<= 114 proc_a) (<= proc_a 114)), 98743#(and (<= 120 proc_a) (<= proc_a 120)), 98742#(and (<= proc_a 118) (<= 118 proc_a)), 98745#(and (<= proc_a 124) (<= 124 proc_a)), 98744#(and (<= proc_a 122) (<= 122 proc_a)), 98747#(and (<= 128 proc_a) (<= proc_a 128)), 98746#(and (<= proc_a 126) (<= 126 proc_a)), 98749#(and (<= 132 proc_a) (<= proc_a 132)), 98748#(and (<= proc_a 130) (<= 130 proc_a)), 98751#(and (<= proc_a 136) (<= 136 proc_a)), 98750#(and (<= proc_a 134) (<= 134 proc_a)), 98753#(and (<= proc_a 140) (<= 140 proc_a)), 98752#(and (<= proc_a 138) (<= 138 proc_a)), 98755#(and (<= 144 proc_a) (<= proc_a 144)), 98754#(and (<= 142 proc_a) (<= proc_a 142)), 98757#(and (<= 148 proc_a) (<= proc_a 148)), 98756#(and (<= proc_a 146) (<= 146 proc_a)), 98759#(and (<= proc_a 152) (<= 152 proc_a)), 98758#(and (<= proc_a 150) (<= 150 proc_a)), 98761#(and (<= 156 proc_a) (<= proc_a 156)), 98760#(and (<= 154 proc_a) (<= proc_a 154)), 98763#(and (<= 160 proc_a) (<= proc_a 160)), 98762#(and (<= proc_a 158) (<= 158 proc_a)), 98765#(and (<= 164 proc_a) (<= proc_a 164)), 98764#(and (<= proc_a 162) (<= 162 proc_a)), 98767#(and (<= 168 proc_a) (<= proc_a 168)), 98766#(and (<= 166 proc_a) (<= proc_a 166)), 98769#(and (<= 172 proc_a) (<= proc_a 172)), 98768#(and (<= 170 proc_a) (<= proc_a 170)), 98771#(and (<= 176 proc_a) (<= proc_a 176)), 98770#(and (<= proc_a 174) (<= 174 proc_a)), 98773#(and (<= proc_a 180) (<= 180 proc_a)), 98772#(and (<= 178 proc_a) (<= proc_a 178)), 98775#(and (<= 184 proc_a) (<= proc_a 184)), 98774#(and (<= proc_a 182) (<= 182 proc_a)), 98777#(and (<= 188 proc_a) (<= proc_a 188)), 98776#(and (<= 186 proc_a) (<= proc_a 186)), 98779#(and (<= proc_a 192) (<= 192 proc_a)), 98778#(and (<= 190 proc_a) (<= proc_a 190)), 98781#(and (<= proc_a 196) (<= 196 proc_a)), 98780#(and (<= 194 proc_a) (<= proc_a 194)), 98783#(and (<= proc_a 200) (<= 200 proc_a)), 98782#(and (<= 198 proc_a) (<= proc_a 198)), 98785#(and (<= 204 proc_a) (<= proc_a 204)), 98784#(and (<= proc_a 202) (<= 202 proc_a)), 98787#(and (<= 208 proc_a) (<= proc_a 208)), 98786#(and (<= 206 proc_a) (<= proc_a 206)), 98789#(and (<= proc_a 212) (<= 212 proc_a)), 98788#(and (<= proc_a 210) (<= 210 proc_a)), 98791#(and (<= 216 proc_a) (<= proc_a 216)), 98790#(and (<= 214 proc_a) (<= proc_a 214)), 98793#(and (<= proc_a 220) (<= 220 proc_a)), 98792#(and (<= proc_a 218) (<= 218 proc_a)), 98795#(and (<= 224 proc_a) (<= proc_a 224)), 98794#(and (<= 222 proc_a) (<= proc_a 222)), 98797#(and (<= 228 proc_a) (<= proc_a 228)), 98796#(and (<= proc_a 226) (<= 226 proc_a)), 98799#(and (<= 232 proc_a) (<= proc_a 232)), 98798#(and (<= proc_a 230) (<= 230 proc_a)), 98801#(and (<= proc_a 236) (<= 236 proc_a)), 98800#(and (<= proc_a 234) (<= 234 proc_a)), 98803#(and (<= 240 proc_a) (<= proc_a 240)), 98802#(and (<= 238 proc_a) (<= proc_a 238)), 98805#(and (<= proc_a 244) (<= 244 proc_a)), 98804#(and (<= proc_a 242) (<= 242 proc_a)), 98807#(and (<= 248 proc_a) (<= proc_a 248)), 98806#(and (<= proc_a 246) (<= 246 proc_a)), 98809#(and (<= 252 proc_a) (<= proc_a 252)), 98808#(and (<= proc_a 250) (<= 250 proc_a)), 98811#(and (<= proc_a 256) (<= 256 proc_a)), 98810#(and (<= 254 proc_a) (<= proc_a 254)), 98813#(and (<= proc_a 260) (<= 260 proc_a)), 98812#(and (<= 258 proc_a) (<= proc_a 258)), 98815#(and (<= proc_a 264) (<= 264 proc_a)), 98814#(and (<= 262 proc_a) (<= proc_a 262))] [2018-07-23 13:54:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 19110 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:50,859 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:54:50,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:54:50,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=38613, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:54:50,861 INFO L87 Difference]: Start difference. First operand 198 states and 198 transitions. Second operand 198 states. [2018-07-23 13:54:52,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:52,858 INFO L93 Difference]: Finished difference Result 200 states and 200 transitions. [2018-07-23 13:54:52,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:54:52,859 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 197 [2018-07-23 13:54:52,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:52,859 INFO L225 Difference]: With dead ends: 200 [2018-07-23 13:54:52,859 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:54:52,860 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=393, Invalid=38613, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:54:52,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:54:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:54:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:54:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:54:52,866 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 197 [2018-07-23 13:54:52,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:52,866 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:54:52,866 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:54:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:54:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:54:52,866 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:52,867 INFO L357 BasicCegarLoop]: trace histogram [196, 1, 1] [2018-07-23 13:54:52,867 INFO L414 AbstractCegarLoop]: === Iteration 197 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:52,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1588113991, now seen corresponding path program 196 times [2018-07-23 13:54:52,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:54:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 19306 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:54,500 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:54:54,500 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:54:54,500 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:54:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:54,501 INFO L185 omatonBuilderFactory]: Interpolants [99841#(and (<= 324 proc_a) (<= proc_a 324)), 99840#(and (<= proc_a 322) (<= 322 proc_a)), 99843#(and (<= proc_a 328) (<= 328 proc_a)), 99842#(and (<= proc_a 326) (<= 326 proc_a)), 99845#(and (<= proc_a 332) (<= 332 proc_a)), 99844#(and (<= proc_a 330) (<= 330 proc_a)), 99847#(and (<= 336 proc_a) (<= proc_a 336)), 99846#(and (<= 334 proc_a) (<= proc_a 334)), 99849#(and (<= proc_a 340) (<= 340 proc_a)), 99848#(and (<= proc_a 338) (<= 338 proc_a)), 99851#(and (<= 344 proc_a) (<= proc_a 344)), 99850#(and (<= 342 proc_a) (<= proc_a 342)), 99853#(and (<= 348 proc_a) (<= proc_a 348)), 99852#(and (<= proc_a 346) (<= 346 proc_a)), 99855#(and (<= 352 proc_a) (<= proc_a 352)), 99854#(and (<= proc_a 350) (<= 350 proc_a)), 99857#(and (<= proc_a 356) (<= 356 proc_a)), 99856#(and (<= proc_a 354) (<= 354 proc_a)), 99859#(and (<= proc_a 360) (<= 360 proc_a)), 99858#(and (<= 358 proc_a) (<= proc_a 358)), 99861#(and (<= proc_a 364) (<= 364 proc_a)), 99860#(and (<= proc_a 362) (<= 362 proc_a)), 99863#(and (<= proc_a 368) (<= 368 proc_a)), 99862#(and (<= 366 proc_a) (<= proc_a 366)), 99865#(and (<= 372 proc_a) (<= proc_a 372)), 99864#(and (<= 370 proc_a) (<= proc_a 370)), 99867#(and (<= 376 proc_a) (<= proc_a 376)), 99866#(and (<= proc_a 374) (<= 374 proc_a)), 99869#(and (<= proc_a 380) (<= 380 proc_a)), 99868#(and (<= 378 proc_a) (<= proc_a 378)), 99871#(and (<= proc_a 384) (<= 384 proc_a)), 99870#(and (<= proc_a 382) (<= 382 proc_a)), 99873#(and (<= proc_a 388) (<= 388 proc_a)), 99872#(and (<= proc_a 386) (<= 386 proc_a)), 99875#(and (<= proc_a 392) (<= 392 proc_a)), 99874#(and (<= 390 proc_a) (<= proc_a 390)), 99677#true, 99679#(and (<= proc_a 0) (<= 0 proc_a)), 99678#false, 99681#(and (<= 4 proc_a) (<= proc_a 4)), 99680#(and (<= 2 proc_a) (<= proc_a 2)), 99683#(and (<= proc_a 8) (<= 8 proc_a)), 99682#(and (<= 6 proc_a) (<= proc_a 6)), 99685#(and (<= proc_a 12) (<= 12 proc_a)), 99684#(and (<= 10 proc_a) (<= proc_a 10)), 99687#(and (<= proc_a 16) (<= 16 proc_a)), 99686#(and (<= 14 proc_a) (<= proc_a 14)), 99689#(and (<= 20 proc_a) (<= proc_a 20)), 99688#(and (<= 18 proc_a) (<= proc_a 18)), 99691#(and (<= 24 proc_a) (<= proc_a 24)), 99690#(and (<= 22 proc_a) (<= proc_a 22)), 99693#(and (<= proc_a 28) (<= 28 proc_a)), 99692#(and (<= 26 proc_a) (<= proc_a 26)), 99695#(and (<= 32 proc_a) (<= proc_a 32)), 99694#(and (<= proc_a 30) (<= 30 proc_a)), 99697#(and (<= 36 proc_a) (<= proc_a 36)), 99696#(and (<= 34 proc_a) (<= proc_a 34)), 99699#(and (<= 40 proc_a) (<= proc_a 40)), 99698#(and (<= 38 proc_a) (<= proc_a 38)), 99701#(and (<= proc_a 44) (<= 44 proc_a)), 99700#(and (<= proc_a 42) (<= 42 proc_a)), 99703#(and (<= 48 proc_a) (<= proc_a 48)), 99702#(and (<= proc_a 46) (<= 46 proc_a)), 99705#(and (<= 52 proc_a) (<= proc_a 52)), 99704#(and (<= 50 proc_a) (<= proc_a 50)), 99707#(and (<= proc_a 56) (<= 56 proc_a)), 99706#(and (<= 54 proc_a) (<= proc_a 54)), 99709#(and (<= 60 proc_a) (<= proc_a 60)), 99708#(and (<= proc_a 58) (<= 58 proc_a)), 99711#(and (<= 64 proc_a) (<= proc_a 64)), 99710#(and (<= 62 proc_a) (<= proc_a 62)), 99713#(and (<= 68 proc_a) (<= proc_a 68)), 99712#(and (<= 66 proc_a) (<= proc_a 66)), 99715#(and (<= 72 proc_a) (<= proc_a 72)), 99714#(and (<= proc_a 70) (<= 70 proc_a)), 99717#(and (<= proc_a 76) (<= 76 proc_a)), 99716#(and (<= proc_a 74) (<= 74 proc_a)), 99719#(and (<= proc_a 80) (<= 80 proc_a)), 99718#(and (<= 78 proc_a) (<= proc_a 78)), 99721#(and (<= proc_a 84) (<= 84 proc_a)), 99720#(and (<= 82 proc_a) (<= proc_a 82)), 99723#(and (<= 88 proc_a) (<= proc_a 88)), 99722#(and (<= 86 proc_a) (<= proc_a 86)), 99725#(and (<= 92 proc_a) (<= proc_a 92)), 99724#(and (<= proc_a 90) (<= 90 proc_a)), 99727#(and (<= proc_a 96) (<= 96 proc_a)), 99726#(and (<= proc_a 94) (<= 94 proc_a)), 99729#(and (<= proc_a 100) (<= 100 proc_a)), 99728#(and (<= 98 proc_a) (<= proc_a 98)), 99731#(and (<= proc_a 104) (<= 104 proc_a)), 99730#(and (<= 102 proc_a) (<= proc_a 102)), 99733#(and (<= proc_a 108) (<= 108 proc_a)), 99732#(and (<= 106 proc_a) (<= proc_a 106)), 99735#(and (<= proc_a 112) (<= 112 proc_a)), 99734#(and (<= proc_a 110) (<= 110 proc_a)), 99737#(and (<= 116 proc_a) (<= proc_a 116)), 99736#(and (<= 114 proc_a) (<= proc_a 114)), 99739#(and (<= 120 proc_a) (<= proc_a 120)), 99738#(and (<= proc_a 118) (<= 118 proc_a)), 99741#(and (<= proc_a 124) (<= 124 proc_a)), 99740#(and (<= proc_a 122) (<= 122 proc_a)), 99743#(and (<= 128 proc_a) (<= proc_a 128)), 99742#(and (<= proc_a 126) (<= 126 proc_a)), 99745#(and (<= 132 proc_a) (<= proc_a 132)), 99744#(and (<= proc_a 130) (<= 130 proc_a)), 99747#(and (<= proc_a 136) (<= 136 proc_a)), 99746#(and (<= proc_a 134) (<= 134 proc_a)), 99749#(and (<= proc_a 140) (<= 140 proc_a)), 99748#(and (<= proc_a 138) (<= 138 proc_a)), 99751#(and (<= 144 proc_a) (<= proc_a 144)), 99750#(and (<= 142 proc_a) (<= proc_a 142)), 99753#(and (<= 148 proc_a) (<= proc_a 148)), 99752#(and (<= proc_a 146) (<= 146 proc_a)), 99755#(and (<= proc_a 152) (<= 152 proc_a)), 99754#(and (<= proc_a 150) (<= 150 proc_a)), 99757#(and (<= 156 proc_a) (<= proc_a 156)), 99756#(and (<= 154 proc_a) (<= proc_a 154)), 99759#(and (<= 160 proc_a) (<= proc_a 160)), 99758#(and (<= proc_a 158) (<= 158 proc_a)), 99761#(and (<= 164 proc_a) (<= proc_a 164)), 99760#(and (<= proc_a 162) (<= 162 proc_a)), 99763#(and (<= 168 proc_a) (<= proc_a 168)), 99762#(and (<= 166 proc_a) (<= proc_a 166)), 99765#(and (<= 172 proc_a) (<= proc_a 172)), 99764#(and (<= 170 proc_a) (<= proc_a 170)), 99767#(and (<= 176 proc_a) (<= proc_a 176)), 99766#(and (<= proc_a 174) (<= 174 proc_a)), 99769#(and (<= proc_a 180) (<= 180 proc_a)), 99768#(and (<= 178 proc_a) (<= proc_a 178)), 99771#(and (<= 184 proc_a) (<= proc_a 184)), 99770#(and (<= proc_a 182) (<= 182 proc_a)), 99773#(and (<= 188 proc_a) (<= proc_a 188)), 99772#(and (<= 186 proc_a) (<= proc_a 186)), 99775#(and (<= proc_a 192) (<= 192 proc_a)), 99774#(and (<= 190 proc_a) (<= proc_a 190)), 99777#(and (<= proc_a 196) (<= 196 proc_a)), 99776#(and (<= 194 proc_a) (<= proc_a 194)), 99779#(and (<= proc_a 200) (<= 200 proc_a)), 99778#(and (<= 198 proc_a) (<= proc_a 198)), 99781#(and (<= 204 proc_a) (<= proc_a 204)), 99780#(and (<= proc_a 202) (<= 202 proc_a)), 99783#(and (<= 208 proc_a) (<= proc_a 208)), 99782#(and (<= 206 proc_a) (<= proc_a 206)), 99785#(and (<= proc_a 212) (<= 212 proc_a)), 99784#(and (<= proc_a 210) (<= 210 proc_a)), 99787#(and (<= 216 proc_a) (<= proc_a 216)), 99786#(and (<= 214 proc_a) (<= proc_a 214)), 99789#(and (<= proc_a 220) (<= 220 proc_a)), 99788#(and (<= proc_a 218) (<= 218 proc_a)), 99791#(and (<= 224 proc_a) (<= proc_a 224)), 99790#(and (<= 222 proc_a) (<= proc_a 222)), 99793#(and (<= 228 proc_a) (<= proc_a 228)), 99792#(and (<= proc_a 226) (<= 226 proc_a)), 99795#(and (<= 232 proc_a) (<= proc_a 232)), 99794#(and (<= proc_a 230) (<= 230 proc_a)), 99797#(and (<= proc_a 236) (<= 236 proc_a)), 99796#(and (<= proc_a 234) (<= 234 proc_a)), 99799#(and (<= 240 proc_a) (<= proc_a 240)), 99798#(and (<= 238 proc_a) (<= proc_a 238)), 99801#(and (<= proc_a 244) (<= 244 proc_a)), 99800#(and (<= proc_a 242) (<= 242 proc_a)), 99803#(and (<= 248 proc_a) (<= proc_a 248)), 99802#(and (<= proc_a 246) (<= 246 proc_a)), 99805#(and (<= 252 proc_a) (<= proc_a 252)), 99804#(and (<= proc_a 250) (<= 250 proc_a)), 99807#(and (<= proc_a 256) (<= 256 proc_a)), 99806#(and (<= 254 proc_a) (<= proc_a 254)), 99809#(and (<= proc_a 260) (<= 260 proc_a)), 99808#(and (<= 258 proc_a) (<= proc_a 258)), 99811#(and (<= proc_a 264) (<= 264 proc_a)), 99810#(and (<= 262 proc_a) (<= proc_a 262)), 99813#(and (<= proc_a 268) (<= 268 proc_a)), 99812#(and (<= 266 proc_a) (<= proc_a 266)), 99815#(and (<= proc_a 272) (<= 272 proc_a)), 99814#(and (<= proc_a 270) (<= 270 proc_a)), 99817#(and (<= proc_a 276) (<= 276 proc_a)), 99816#(and (<= proc_a 274) (<= 274 proc_a)), 99819#(and (<= proc_a 280) (<= 280 proc_a)), 99818#(and (<= proc_a 278) (<= 278 proc_a)), 99821#(and (<= proc_a 284) (<= 284 proc_a)), 99820#(and (<= proc_a 282) (<= 282 proc_a)), 99823#(and (<= proc_a 288) (<= 288 proc_a)), 99822#(and (<= proc_a 286) (<= 286 proc_a)), 99825#(and (<= proc_a 292) (<= 292 proc_a)), 99824#(and (<= proc_a 290) (<= 290 proc_a)), 99827#(and (<= 296 proc_a) (<= proc_a 296)), 99826#(and (<= 294 proc_a) (<= proc_a 294)), 99829#(and (<= proc_a 300) (<= 300 proc_a)), 99828#(and (<= 298 proc_a) (<= proc_a 298)), 99831#(and (<= proc_a 304) (<= 304 proc_a)), 99830#(and (<= proc_a 302) (<= 302 proc_a)), 99833#(and (<= 308 proc_a) (<= proc_a 308)), 99832#(and (<= 306 proc_a) (<= proc_a 306)), 99835#(and (<= proc_a 312) (<= 312 proc_a)), 99834#(and (<= proc_a 310) (<= 310 proc_a)), 99837#(and (<= 316 proc_a) (<= proc_a 316)), 99836#(and (<= proc_a 314) (<= 314 proc_a)), 99839#(and (<= proc_a 320) (<= 320 proc_a)), 99838#(and (<= 318 proc_a) (<= proc_a 318))] [2018-07-23 13:54:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 19306 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:54:54,502 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:54:54,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:54:54,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=39007, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:54:54,503 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 199 states. [2018-07-23 13:54:56,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:54:56,527 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:54:56,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:54:56,527 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 198 [2018-07-23 13:54:56,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:54:56,527 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:54:56,528 INFO L226 Difference]: Without dead ends: 200 [2018-07-23 13:54:56,529 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=395, Invalid=39007, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:54:56,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-07-23 13:54:56,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2018-07-23 13:54:56,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-07-23 13:54:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-07-23 13:54:56,534 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 200 transitions. Word has length 198 [2018-07-23 13:54:56,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:54:56,534 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 200 transitions. [2018-07-23 13:54:56,534 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:54:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-07-23 13:54:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-23 13:54:56,535 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:54:56,535 INFO L357 BasicCegarLoop]: trace histogram [197, 1, 1] [2018-07-23 13:54:56,535 INFO L414 AbstractCegarLoop]: === Iteration 198 === [procErr0AssertViolationASSERT]=== [2018-07-23 13:54:56,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1986893409, now seen corresponding path program 197 times [2018-07-23 13:54:56,535 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:54:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-23 13:54:57,043 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:54:57,048 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:54:57,049 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:54:57 BoogieIcfgContainer [2018-07-23 13:54:57,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:54:57,050 INFO L168 Benchmark]: Toolchain (without parser) took 257525.96 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 421.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-07-23 13:54:57,051 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:54:57,051 INFO L168 Benchmark]: Boogie Preprocessor took 49.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:54:57,052 INFO L168 Benchmark]: RCFGBuilder took 212.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:54:57,052 INFO L168 Benchmark]: TraceAbstraction took 257259.07 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 410.9 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-07-23 13:54:57,054 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 212.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257259.07 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 410.9 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 21). Cancelled while BasicCegarLoop was analyzing trace of length 200 with TraceHistMax 197, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 97 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 257.1s OverallTime, 198 OverallIterations, 197 TraceHistogramMax, 138.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 394 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 2606903 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 91.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19503 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19503 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 100.8s Time, 0.2s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=197, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/1274196 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 197 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 107.1s InterpolantComputationTime, 19700 NumberOfCodeBlocks, 19700 NumberOfCodeBlocksAsserted, 197 NumberOfCheckSat, 19503 ConstructedInterpolants, 0 QuantifiedInterpolants, 17975265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 197 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1274196 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-54-57-063.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-54-57-063.csv Completed graceful shutdown