java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 11:37:02,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 11:37:02,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 11:37:02,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 11:37:02,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 11:37:02,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 11:37:02,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 11:37:02,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 11:37:02,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 11:37:02,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 11:37:02,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 11:37:02,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 11:37:02,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 11:37:02,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 11:37:02,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 11:37:02,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 11:37:02,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 11:37:02,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 11:37:02,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 11:37:02,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 11:37:02,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 11:37:02,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 11:37:02,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 11:37:02,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 11:37:02,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 11:37:02,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 11:37:02,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 11:37:02,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 11:37:02,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 11:37:02,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 11:37:02,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 11:37:02,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 11:37:02,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 11:37:02,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 11:37:02,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 11:37:02,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 11:37:02,199 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 11:37:02,212 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 11:37:02,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 11:37:02,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 11:37:02,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 11:37:02,214 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 11:37:02,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 11:37:02,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 11:37:02,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 11:37:02,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 11:37:02,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 11:37:02,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 11:37:02,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 11:37:02,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 11:37:02,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 11:37:02,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 11:37:02,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 11:37:02,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 11:37:02,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 11:37:02,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 11:37:02,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 11:37:02,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 11:37:02,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:37:02,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 11:37:02,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 11:37:02,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 11:37:02,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 11:37:02,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 11:37:02,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 11:37:02,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 11:37:02,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 11:37:02,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 11:37:02,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 11:37:02,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 11:37:02,277 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 11:37:02,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-08 11:37:02,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b646715f/e4fa5b7f4ff04bc8a5e53fac5693611b/FLAG529791a70 [2019-09-08 11:37:02,846 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 11:37:02,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-08 11:37:02,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b646715f/e4fa5b7f4ff04bc8a5e53fac5693611b/FLAG529791a70 [2019-09-08 11:37:03,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b646715f/e4fa5b7f4ff04bc8a5e53fac5693611b [2019-09-08 11:37:03,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 11:37:03,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 11:37:03,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 11:37:03,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 11:37:03,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 11:37:03,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:37:03" (1/1) ... [2019-09-08 11:37:03,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e83ef61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:03, skipping insertion in model container [2019-09-08 11:37:03,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:37:03" (1/1) ... [2019-09-08 11:37:03,346 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 11:37:03,400 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 11:37:03,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:37:03,945 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 11:37:04,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:37:04,102 INFO L192 MainTranslator]: Completed translation [2019-09-08 11:37:04,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04 WrapperNode [2019-09-08 11:37:04,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 11:37:04,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 11:37:04,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 11:37:04,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 11:37:04,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04" (1/1) ... [2019-09-08 11:37:04,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04" (1/1) ... [2019-09-08 11:37:04,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04" (1/1) ... [2019-09-08 11:37:04,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04" (1/1) ... [2019-09-08 11:37:04,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04" (1/1) ... [2019-09-08 11:37:04,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04" (1/1) ... [2019-09-08 11:37:04,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04" (1/1) ... [2019-09-08 11:37:04,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 11:37:04,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 11:37:04,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 11:37:04,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 11:37:04,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:37:04,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 11:37:04,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 11:37:04,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 11:37:04,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 11:37:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 11:37:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 11:37:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-08 11:37:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 11:37:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 11:37:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 11:37:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 11:37:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 11:37:04,248 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 11:37:04,248 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 11:37:04,249 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 11:37:04,249 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 11:37:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 11:37:04,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 11:37:04,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 11:37:05,329 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 11:37:05,330 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 11:37:05,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:37:05 BoogieIcfgContainer [2019-09-08 11:37:05,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 11:37:05,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 11:37:05,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 11:37:05,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 11:37:05,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:37:03" (1/3) ... [2019-09-08 11:37:05,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674d2898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:37:05, skipping insertion in model container [2019-09-08 11:37:05,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:37:04" (2/3) ... [2019-09-08 11:37:05,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674d2898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:37:05, skipping insertion in model container [2019-09-08 11:37:05,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:37:05" (3/3) ... [2019-09-08 11:37:05,344 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-08 11:37:05,356 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 11:37:05,382 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-09-08 11:37:05,403 INFO L252 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-09-08 11:37:05,447 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 11:37:05,448 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 11:37:05,448 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 11:37:05,449 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 11:37:05,449 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 11:37:05,449 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 11:37:05,449 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 11:37:05,449 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 11:37:05,450 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 11:37:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2019-09-08 11:37:05,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-09-08 11:37:05,504 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:05,505 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:05,507 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:05,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:05,514 INFO L82 PathProgramCache]: Analyzing trace with hash 2131533676, now seen corresponding path program 1 times [2019-09-08 11:37:05,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:05,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:05,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:05,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:05,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:05,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:05,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:05,986 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:06,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:06,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:06,003 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 5 states. [2019-09-08 11:37:06,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:06,328 INFO L93 Difference]: Finished difference Result 346 states and 576 transitions. [2019-09-08 11:37:06,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:06,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-09-08 11:37:06,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:06,343 INFO L225 Difference]: With dead ends: 346 [2019-09-08 11:37:06,343 INFO L226 Difference]: Without dead ends: 178 [2019-09-08 11:37:06,348 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:06,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-09-08 11:37:06,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2019-09-08 11:37:06,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-09-08 11:37:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 220 transitions. [2019-09-08 11:37:06,418 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 220 transitions. Word has length 50 [2019-09-08 11:37:06,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:06,418 INFO L475 AbstractCegarLoop]: Abstraction has 178 states and 220 transitions. [2019-09-08 11:37:06,419 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 220 transitions. [2019-09-08 11:37:06,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 11:37:06,421 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:06,422 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:06,422 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:06,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:06,423 INFO L82 PathProgramCache]: Analyzing trace with hash -808666982, now seen corresponding path program 1 times [2019-09-08 11:37:06,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:06,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:06,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:06,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:06,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:06,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:06,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:06,560 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:06,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:06,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:06,561 INFO L87 Difference]: Start difference. First operand 178 states and 220 transitions. Second operand 5 states. [2019-09-08 11:37:06,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:06,812 INFO L93 Difference]: Finished difference Result 301 states and 382 transitions. [2019-09-08 11:37:06,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:06,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-09-08 11:37:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:06,815 INFO L225 Difference]: With dead ends: 301 [2019-09-08 11:37:06,815 INFO L226 Difference]: Without dead ends: 168 [2019-09-08 11:37:06,817 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:06,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-09-08 11:37:06,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2019-09-08 11:37:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-09-08 11:37:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 207 transitions. [2019-09-08 11:37:06,839 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 207 transitions. Word has length 51 [2019-09-08 11:37:06,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:06,839 INFO L475 AbstractCegarLoop]: Abstraction has 168 states and 207 transitions. [2019-09-08 11:37:06,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 207 transitions. [2019-09-08 11:37:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:37:06,844 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:06,844 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:06,847 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:06,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:06,847 INFO L82 PathProgramCache]: Analyzing trace with hash -215759242, now seen corresponding path program 1 times [2019-09-08 11:37:06,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:06,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:06,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:06,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:06,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:07,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:07,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:07,012 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:07,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:07,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:07,013 INFO L87 Difference]: Start difference. First operand 168 states and 207 transitions. Second operand 5 states. [2019-09-08 11:37:07,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:07,175 INFO L93 Difference]: Finished difference Result 291 states and 368 transitions. [2019-09-08 11:37:07,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:07,175 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-08 11:37:07,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:07,177 INFO L225 Difference]: With dead ends: 291 [2019-09-08 11:37:07,177 INFO L226 Difference]: Without dead ends: 160 [2019-09-08 11:37:07,179 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:07,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-09-08 11:37:07,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-09-08 11:37:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-09-08 11:37:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 197 transitions. [2019-09-08 11:37:07,193 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 197 transitions. Word has length 52 [2019-09-08 11:37:07,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:07,193 INFO L475 AbstractCegarLoop]: Abstraction has 160 states and 197 transitions. [2019-09-08 11:37:07,193 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 197 transitions. [2019-09-08 11:37:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 11:37:07,195 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:07,195 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:07,195 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:07,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:07,196 INFO L82 PathProgramCache]: Analyzing trace with hash 2143272380, now seen corresponding path program 1 times [2019-09-08 11:37:07,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:07,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:07,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:07,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:07,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:07,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:07,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:37:07,376 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:37:07,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:37:07,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:07,377 INFO L87 Difference]: Start difference. First operand 160 states and 197 transitions. Second operand 9 states. [2019-09-08 11:37:08,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:08,185 INFO L93 Difference]: Finished difference Result 335 states and 438 transitions. [2019-09-08 11:37:08,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:37:08,186 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-09-08 11:37:08,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:08,189 INFO L225 Difference]: With dead ends: 335 [2019-09-08 11:37:08,189 INFO L226 Difference]: Without dead ends: 330 [2019-09-08 11:37:08,190 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:37:08,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2019-09-08 11:37:08,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 160. [2019-09-08 11:37:08,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-09-08 11:37:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 196 transitions. [2019-09-08 11:37:08,208 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 196 transitions. Word has length 53 [2019-09-08 11:37:08,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:08,209 INFO L475 AbstractCegarLoop]: Abstraction has 160 states and 196 transitions. [2019-09-08 11:37:08,209 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:37:08,209 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2019-09-08 11:37:08,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 11:37:08,210 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:08,210 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:08,211 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:08,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:08,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1585839580, now seen corresponding path program 1 times [2019-09-08 11:37:08,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:08,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:08,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:08,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:08,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:08,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:08,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:37:08,387 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:37:08,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:37:08,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:08,387 INFO L87 Difference]: Start difference. First operand 160 states and 196 transitions. Second operand 9 states. [2019-09-08 11:37:09,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:09,056 INFO L93 Difference]: Finished difference Result 394 states and 522 transitions. [2019-09-08 11:37:09,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:37:09,056 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-09-08 11:37:09,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:09,059 INFO L225 Difference]: With dead ends: 394 [2019-09-08 11:37:09,059 INFO L226 Difference]: Without dead ends: 334 [2019-09-08 11:37:09,060 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:37:09,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-09-08 11:37:09,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 160. [2019-09-08 11:37:09,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-09-08 11:37:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 195 transitions. [2019-09-08 11:37:09,075 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 195 transitions. Word has length 53 [2019-09-08 11:37:09,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:09,075 INFO L475 AbstractCegarLoop]: Abstraction has 160 states and 195 transitions. [2019-09-08 11:37:09,075 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:37:09,076 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 195 transitions. [2019-09-08 11:37:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 11:37:09,077 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:09,077 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:09,077 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:09,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:09,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1953897721, now seen corresponding path program 1 times [2019-09-08 11:37:09,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:09,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:09,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:09,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:09,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:09,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:09,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 11:37:09,188 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 11:37:09,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 11:37:09,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:37:09,189 INFO L87 Difference]: Start difference. First operand 160 states and 195 transitions. Second operand 8 states. [2019-09-08 11:37:09,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:09,516 INFO L93 Difference]: Finished difference Result 315 states and 395 transitions. [2019-09-08 11:37:09,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 11:37:09,517 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-09-08 11:37:09,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:09,519 INFO L225 Difference]: With dead ends: 315 [2019-09-08 11:37:09,519 INFO L226 Difference]: Without dead ends: 232 [2019-09-08 11:37:09,520 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:37:09,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-09-08 11:37:09,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 160. [2019-09-08 11:37:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-09-08 11:37:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 194 transitions. [2019-09-08 11:37:09,534 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 194 transitions. Word has length 53 [2019-09-08 11:37:09,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:09,535 INFO L475 AbstractCegarLoop]: Abstraction has 160 states and 194 transitions. [2019-09-08 11:37:09,535 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 11:37:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2019-09-08 11:37:09,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-08 11:37:09,536 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:09,536 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:09,537 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:09,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:09,537 INFO L82 PathProgramCache]: Analyzing trace with hash 136408186, now seen corresponding path program 1 times [2019-09-08 11:37:09,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:09,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:09,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:09,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:09,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:10,192 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-08 11:37:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:10,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:10,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:37:10,590 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:37:10,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:37:10,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:37:10,590 INFO L87 Difference]: Start difference. First operand 160 states and 194 transitions. Second operand 16 states. [2019-09-08 11:37:11,148 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-08 11:37:12,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:12,219 INFO L93 Difference]: Finished difference Result 289 states and 349 transitions. [2019-09-08 11:37:12,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:37:12,219 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 55 [2019-09-08 11:37:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:12,221 INFO L225 Difference]: With dead ends: 289 [2019-09-08 11:37:12,221 INFO L226 Difference]: Without dead ends: 285 [2019-09-08 11:37:12,222 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2019-09-08 11:37:12,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-09-08 11:37:12,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 170. [2019-09-08 11:37:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2019-09-08 11:37:12,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 209 transitions. [2019-09-08 11:37:12,239 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 209 transitions. Word has length 55 [2019-09-08 11:37:12,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:12,239 INFO L475 AbstractCegarLoop]: Abstraction has 170 states and 209 transitions. [2019-09-08 11:37:12,239 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:37:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 209 transitions. [2019-09-08 11:37:12,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-08 11:37:12,240 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:12,241 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:12,241 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:12,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:12,241 INFO L82 PathProgramCache]: Analyzing trace with hash 740612440, now seen corresponding path program 1 times [2019-09-08 11:37:12,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:12,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:12,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:12,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:12,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:12,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:12,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-08 11:37:12,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 11:37:12,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 11:37:12,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:12,902 INFO L87 Difference]: Start difference. First operand 170 states and 209 transitions. Second operand 15 states. [2019-09-08 11:37:13,463 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-08 11:37:13,642 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-08 11:37:14,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:14,498 INFO L93 Difference]: Finished difference Result 395 states and 520 transitions. [2019-09-08 11:37:14,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 11:37:14,499 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 55 [2019-09-08 11:37:14,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:14,502 INFO L225 Difference]: With dead ends: 395 [2019-09-08 11:37:14,502 INFO L226 Difference]: Without dead ends: 323 [2019-09-08 11:37:14,503 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:37:14,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2019-09-08 11:37:14,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 159. [2019-09-08 11:37:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-09-08 11:37:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 195 transitions. [2019-09-08 11:37:14,525 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 195 transitions. Word has length 55 [2019-09-08 11:37:14,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:14,527 INFO L475 AbstractCegarLoop]: Abstraction has 159 states and 195 transitions. [2019-09-08 11:37:14,527 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 11:37:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 195 transitions. [2019-09-08 11:37:14,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:37:14,528 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:14,528 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:14,529 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:14,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:14,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1710260461, now seen corresponding path program 1 times [2019-09-08 11:37:14,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:14,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:14,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:14,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:14,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:14,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:14,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:37:14,672 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:37:14,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:37:14,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:14,673 INFO L87 Difference]: Start difference. First operand 159 states and 195 transitions. Second operand 9 states. [2019-09-08 11:37:15,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:15,382 INFO L93 Difference]: Finished difference Result 380 states and 503 transitions. [2019-09-08 11:37:15,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:37:15,382 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-09-08 11:37:15,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:15,384 INFO L225 Difference]: With dead ends: 380 [2019-09-08 11:37:15,384 INFO L226 Difference]: Without dead ends: 319 [2019-09-08 11:37:15,385 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:37:15,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-09-08 11:37:15,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 159. [2019-09-08 11:37:15,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-09-08 11:37:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 193 transitions. [2019-09-08 11:37:15,402 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 193 transitions. Word has length 56 [2019-09-08 11:37:15,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:15,402 INFO L475 AbstractCegarLoop]: Abstraction has 159 states and 193 transitions. [2019-09-08 11:37:15,402 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:37:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2019-09-08 11:37:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:37:15,403 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:15,403 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:15,404 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:15,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:15,404 INFO L82 PathProgramCache]: Analyzing trace with hash -2007948800, now seen corresponding path program 1 times [2019-09-08 11:37:15,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:15,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:15,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:15,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:15,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:15,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:15,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:37:15,524 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:37:15,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:37:15,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:15,525 INFO L87 Difference]: Start difference. First operand 159 states and 193 transitions. Second operand 9 states. [2019-09-08 11:37:16,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:16,004 INFO L93 Difference]: Finished difference Result 230 states and 286 transitions. [2019-09-08 11:37:16,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:37:16,005 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-09-08 11:37:16,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:16,007 INFO L225 Difference]: With dead ends: 230 [2019-09-08 11:37:16,007 INFO L226 Difference]: Without dead ends: 223 [2019-09-08 11:37:16,007 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:37:16,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-09-08 11:37:16,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 159. [2019-09-08 11:37:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-09-08 11:37:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 191 transitions. [2019-09-08 11:37:16,022 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 191 transitions. Word has length 56 [2019-09-08 11:37:16,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:16,023 INFO L475 AbstractCegarLoop]: Abstraction has 159 states and 191 transitions. [2019-09-08 11:37:16,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:37:16,023 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 191 transitions. [2019-09-08 11:37:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:37:16,024 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:16,024 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:16,024 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:16,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:16,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1518456221, now seen corresponding path program 1 times [2019-09-08 11:37:16,025 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:16,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:16,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:16,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:16,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:16,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:16,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:37:16,489 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:37:16,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:37:16,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:37:16,491 INFO L87 Difference]: Start difference. First operand 159 states and 191 transitions. Second operand 13 states. [2019-09-08 11:37:16,968 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-08 11:37:17,100 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-08 11:37:18,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:18,070 INFO L93 Difference]: Finished difference Result 603 states and 830 transitions. [2019-09-08 11:37:18,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 11:37:18,071 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2019-09-08 11:37:18,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:18,076 INFO L225 Difference]: With dead ends: 603 [2019-09-08 11:37:18,076 INFO L226 Difference]: Without dead ends: 583 [2019-09-08 11:37:18,077 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2019-09-08 11:37:18,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-09-08 11:37:18,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 133. [2019-09-08 11:37:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-09-08 11:37:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 161 transitions. [2019-09-08 11:37:18,105 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 161 transitions. Word has length 56 [2019-09-08 11:37:18,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:18,106 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 161 transitions. [2019-09-08 11:37:18,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:37:18,106 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 161 transitions. [2019-09-08 11:37:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:37:18,107 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:18,107 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:18,108 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:18,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:18,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1716858446, now seen corresponding path program 1 times [2019-09-08 11:37:18,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:18,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:18,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:18,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:18,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:18,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:18,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 11:37:18,423 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 11:37:18,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 11:37:18,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-09-08 11:37:18,424 INFO L87 Difference]: Start difference. First operand 133 states and 161 transitions. Second operand 11 states. [2019-09-08 11:37:18,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:18,862 INFO L93 Difference]: Finished difference Result 289 states and 381 transitions. [2019-09-08 11:37:18,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:37:18,862 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2019-09-08 11:37:18,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:18,865 INFO L225 Difference]: With dead ends: 289 [2019-09-08 11:37:18,865 INFO L226 Difference]: Without dead ends: 242 [2019-09-08 11:37:18,866 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:37:18,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-09-08 11:37:18,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 129. [2019-09-08 11:37:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-09-08 11:37:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 156 transitions. [2019-09-08 11:37:18,884 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 156 transitions. Word has length 56 [2019-09-08 11:37:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:18,885 INFO L475 AbstractCegarLoop]: Abstraction has 129 states and 156 transitions. [2019-09-08 11:37:18,885 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 11:37:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 156 transitions. [2019-09-08 11:37:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:37:18,886 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:18,886 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:18,886 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:18,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:18,886 INFO L82 PathProgramCache]: Analyzing trace with hash 628872757, now seen corresponding path program 1 times [2019-09-08 11:37:18,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:18,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:18,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:18,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:18,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:19,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:19,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:37:19,069 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:37:19,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:37:19,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:37:19,070 INFO L87 Difference]: Start difference. First operand 129 states and 156 transitions. Second operand 10 states. [2019-09-08 11:37:19,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:19,841 INFO L93 Difference]: Finished difference Result 242 states and 312 transitions. [2019-09-08 11:37:19,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:37:19,842 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-08 11:37:19,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:19,846 INFO L225 Difference]: With dead ends: 242 [2019-09-08 11:37:19,846 INFO L226 Difference]: Without dead ends: 235 [2019-09-08 11:37:19,846 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2019-09-08 11:37:19,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-09-08 11:37:19,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 129. [2019-09-08 11:37:19,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-09-08 11:37:19,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 155 transitions. [2019-09-08 11:37:19,865 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 155 transitions. Word has length 57 [2019-09-08 11:37:19,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:19,866 INFO L475 AbstractCegarLoop]: Abstraction has 129 states and 155 transitions. [2019-09-08 11:37:19,866 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:37:19,866 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 155 transitions. [2019-09-08 11:37:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 11:37:19,866 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:19,867 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:19,867 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:19,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:19,867 INFO L82 PathProgramCache]: Analyzing trace with hash -50398382, now seen corresponding path program 1 times [2019-09-08 11:37:19,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:19,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:19,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:19,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:19,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:20,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:20,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:37:20,354 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:37:20,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:37:20,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:37:20,355 INFO L87 Difference]: Start difference. First operand 129 states and 155 transitions. Second operand 18 states. [2019-09-08 11:37:20,519 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 11:37:21,114 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-08 11:37:22,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:22,448 INFO L93 Difference]: Finished difference Result 429 states and 566 transitions. [2019-09-08 11:37:22,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 11:37:22,449 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2019-09-08 11:37:22,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:22,451 INFO L225 Difference]: With dead ends: 429 [2019-09-08 11:37:22,451 INFO L226 Difference]: Without dead ends: 423 [2019-09-08 11:37:22,452 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2019-09-08 11:37:22,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-09-08 11:37:22,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 140. [2019-09-08 11:37:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-09-08 11:37:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions. [2019-09-08 11:37:22,475 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 58 [2019-09-08 11:37:22,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:22,475 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions. [2019-09-08 11:37:22,475 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:37:22,475 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2019-09-08 11:37:22,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-08 11:37:22,476 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:22,476 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:22,477 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:22,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:22,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1958291018, now seen corresponding path program 1 times [2019-09-08 11:37:22,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:22,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:22,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:22,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:22,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:22,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:22,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 11:37:22,793 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 11:37:22,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 11:37:22,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-09-08 11:37:22,794 INFO L87 Difference]: Start difference. First operand 140 states and 169 transitions. Second operand 11 states. [2019-09-08 11:37:23,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:23,486 INFO L93 Difference]: Finished difference Result 382 states and 519 transitions. [2019-09-08 11:37:23,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:37:23,487 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2019-09-08 11:37:23,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:23,489 INFO L225 Difference]: With dead ends: 382 [2019-09-08 11:37:23,489 INFO L226 Difference]: Without dead ends: 376 [2019-09-08 11:37:23,490 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2019-09-08 11:37:23,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-09-08 11:37:23,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 123. [2019-09-08 11:37:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-09-08 11:37:23,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 149 transitions. [2019-09-08 11:37:23,511 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 149 transitions. Word has length 59 [2019-09-08 11:37:23,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:23,511 INFO L475 AbstractCegarLoop]: Abstraction has 123 states and 149 transitions. [2019-09-08 11:37:23,511 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 11:37:23,512 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2019-09-08 11:37:23,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-08 11:37:23,512 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:23,512 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:23,513 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:23,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:23,513 INFO L82 PathProgramCache]: Analyzing trace with hash 435613388, now seen corresponding path program 1 times [2019-09-08 11:37:23,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:23,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:23,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:23,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:23,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:24,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:24,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:37:24,385 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:37:24,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:37:24,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:37:24,385 INFO L87 Difference]: Start difference. First operand 123 states and 149 transitions. Second operand 18 states. [2019-09-08 11:37:24,955 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-08 11:37:25,098 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-08 11:37:25,248 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-08 11:37:25,391 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-08 11:37:25,545 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-08 11:37:25,717 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-08 11:37:27,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:27,035 INFO L93 Difference]: Finished difference Result 349 states and 463 transitions. [2019-09-08 11:37:27,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 11:37:27,035 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 59 [2019-09-08 11:37:27,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:27,037 INFO L225 Difference]: With dead ends: 349 [2019-09-08 11:37:27,038 INFO L226 Difference]: Without dead ends: 341 [2019-09-08 11:37:27,038 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=260, Invalid=796, Unknown=0, NotChecked=0, Total=1056 [2019-09-08 11:37:27,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-09-08 11:37:27,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 123. [2019-09-08 11:37:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-09-08 11:37:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 148 transitions. [2019-09-08 11:37:27,061 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 148 transitions. Word has length 59 [2019-09-08 11:37:27,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:27,061 INFO L475 AbstractCegarLoop]: Abstraction has 123 states and 148 transitions. [2019-09-08 11:37:27,062 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:37:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2019-09-08 11:37:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 11:37:27,062 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:27,062 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:27,063 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:27,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:27,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1550714451, now seen corresponding path program 1 times [2019-09-08 11:37:27,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:27,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:27,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:27,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:27,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:27,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:27,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:27,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:37:27,361 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:37:27,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:37:27,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:37:27,362 INFO L87 Difference]: Start difference. First operand 123 states and 148 transitions. Second operand 10 states. [2019-09-08 11:37:27,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:27,762 INFO L93 Difference]: Finished difference Result 285 states and 376 transitions. [2019-09-08 11:37:27,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:37:27,762 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-09-08 11:37:27,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:27,764 INFO L225 Difference]: With dead ends: 285 [2019-09-08 11:37:27,764 INFO L226 Difference]: Without dead ends: 267 [2019-09-08 11:37:27,764 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:27,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2019-09-08 11:37:27,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 105. [2019-09-08 11:37:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-08 11:37:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 130 transitions. [2019-09-08 11:37:27,781 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 130 transitions. Word has length 60 [2019-09-08 11:37:27,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:27,782 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 130 transitions. [2019-09-08 11:37:27,782 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:37:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2019-09-08 11:37:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-08 11:37:27,783 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:27,783 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:27,783 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:27,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:27,784 INFO L82 PathProgramCache]: Analyzing trace with hash -767770571, now seen corresponding path program 1 times [2019-09-08 11:37:27,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:27,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:27,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:27,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:27,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:27,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:27,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:27,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:27,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:27,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:27,841 INFO L87 Difference]: Start difference. First operand 105 states and 130 transitions. Second operand 3 states. [2019-09-08 11:37:27,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:27,900 INFO L93 Difference]: Finished difference Result 187 states and 250 transitions. [2019-09-08 11:37:27,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:27,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-09-08 11:37:27,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:27,901 INFO L225 Difference]: With dead ends: 187 [2019-09-08 11:37:27,902 INFO L226 Difference]: Without dead ends: 144 [2019-09-08 11:37:27,902 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:27,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-09-08 11:37:27,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 142. [2019-09-08 11:37:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-09-08 11:37:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 184 transitions. [2019-09-08 11:37:27,936 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 184 transitions. Word has length 76 [2019-09-08 11:37:27,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:27,936 INFO L475 AbstractCegarLoop]: Abstraction has 142 states and 184 transitions. [2019-09-08 11:37:27,936 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 184 transitions. [2019-09-08 11:37:27,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:37:27,937 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:27,938 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:27,938 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:27,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:27,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1249178759, now seen corresponding path program 1 times [2019-09-08 11:37:27,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:27,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:27,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:27,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:27,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:28,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:28,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:37:28,021 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:37:28,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:37:28,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:28,022 INFO L87 Difference]: Start difference. First operand 142 states and 184 transitions. Second operand 7 states. [2019-09-08 11:37:28,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:28,443 INFO L93 Difference]: Finished difference Result 474 states and 668 transitions. [2019-09-08 11:37:28,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:37:28,443 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2019-09-08 11:37:28,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:28,445 INFO L225 Difference]: With dead ends: 474 [2019-09-08 11:37:28,445 INFO L226 Difference]: Without dead ends: 394 [2019-09-08 11:37:28,446 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:28,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-09-08 11:37:28,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 240. [2019-09-08 11:37:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2019-09-08 11:37:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 329 transitions. [2019-09-08 11:37:28,534 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 329 transitions. Word has length 78 [2019-09-08 11:37:28,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:28,535 INFO L475 AbstractCegarLoop]: Abstraction has 240 states and 329 transitions. [2019-09-08 11:37:28,535 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:37:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 329 transitions. [2019-09-08 11:37:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:37:28,537 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:28,537 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:28,537 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:28,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:28,538 INFO L82 PathProgramCache]: Analyzing trace with hash 620887447, now seen corresponding path program 1 times [2019-09-08 11:37:28,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:28,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:28,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:28,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:28,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:28,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:28,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:28,599 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:28,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:28,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:28,600 INFO L87 Difference]: Start difference. First operand 240 states and 329 transitions. Second operand 3 states. [2019-09-08 11:37:28,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:28,753 INFO L93 Difference]: Finished difference Result 576 states and 819 transitions. [2019-09-08 11:37:28,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:28,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-09-08 11:37:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:28,756 INFO L225 Difference]: With dead ends: 576 [2019-09-08 11:37:28,756 INFO L226 Difference]: Without dead ends: 398 [2019-09-08 11:37:28,757 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:28,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-09-08 11:37:28,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 392. [2019-09-08 11:37:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-09-08 11:37:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 543 transitions. [2019-09-08 11:37:28,880 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 543 transitions. Word has length 78 [2019-09-08 11:37:28,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:28,880 INFO L475 AbstractCegarLoop]: Abstraction has 392 states and 543 transitions. [2019-09-08 11:37:28,880 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 543 transitions. [2019-09-08 11:37:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:37:28,882 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:28,882 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:28,882 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:28,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:28,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1331075096, now seen corresponding path program 1 times [2019-09-08 11:37:28,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:28,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:28,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:28,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:28,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:28,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:28,953 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:28,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:28,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:28,954 INFO L87 Difference]: Start difference. First operand 392 states and 543 transitions. Second operand 3 states. [2019-09-08 11:37:29,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:29,147 INFO L93 Difference]: Finished difference Result 892 states and 1265 transitions. [2019-09-08 11:37:29,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:29,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-09-08 11:37:29,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:29,150 INFO L225 Difference]: With dead ends: 892 [2019-09-08 11:37:29,150 INFO L226 Difference]: Without dead ends: 562 [2019-09-08 11:37:29,152 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:29,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2019-09-08 11:37:29,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 560. [2019-09-08 11:37:29,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-09-08 11:37:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 783 transitions. [2019-09-08 11:37:29,289 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 783 transitions. Word has length 78 [2019-09-08 11:37:29,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:29,289 INFO L475 AbstractCegarLoop]: Abstraction has 560 states and 783 transitions. [2019-09-08 11:37:29,289 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 783 transitions. [2019-09-08 11:37:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:37:29,290 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:29,290 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:29,290 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:29,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:29,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1630779315, now seen corresponding path program 1 times [2019-09-08 11:37:29,291 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:29,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:29,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:29,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:29,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:29,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:29,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:29,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:37:29,362 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:37:29,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:37:29,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:29,363 INFO L87 Difference]: Start difference. First operand 560 states and 783 transitions. Second operand 7 states. [2019-09-08 11:37:30,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:30,008 INFO L93 Difference]: Finished difference Result 1996 states and 2846 transitions. [2019-09-08 11:37:30,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:37:30,010 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2019-09-08 11:37:30,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:30,016 INFO L225 Difference]: With dead ends: 1996 [2019-09-08 11:37:30,016 INFO L226 Difference]: Without dead ends: 1498 [2019-09-08 11:37:30,018 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:30,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2019-09-08 11:37:30,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 950. [2019-09-08 11:37:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2019-09-08 11:37:30,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1345 transitions. [2019-09-08 11:37:30,282 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1345 transitions. Word has length 78 [2019-09-08 11:37:30,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:30,282 INFO L475 AbstractCegarLoop]: Abstraction has 950 states and 1345 transitions. [2019-09-08 11:37:30,282 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:37:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1345 transitions. [2019-09-08 11:37:30,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:37:30,284 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:30,284 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:30,284 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:30,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:30,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1745512600, now seen corresponding path program 1 times [2019-09-08 11:37:30,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:30,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:30,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:30,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:30,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:30,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:30,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:37:30,356 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:37:30,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:37:30,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:37:30,356 INFO L87 Difference]: Start difference. First operand 950 states and 1345 transitions. Second operand 6 states. [2019-09-08 11:37:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:31,150 INFO L93 Difference]: Finished difference Result 1683 states and 2355 transitions. [2019-09-08 11:37:31,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:37:31,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-09-08 11:37:31,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:31,159 INFO L225 Difference]: With dead ends: 1683 [2019-09-08 11:37:31,159 INFO L226 Difference]: Without dead ends: 1681 [2019-09-08 11:37:31,160 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:31,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2019-09-08 11:37:31,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 974. [2019-09-08 11:37:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 974 states. [2019-09-08 11:37:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1365 transitions. [2019-09-08 11:37:31,497 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1365 transitions. Word has length 79 [2019-09-08 11:37:31,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:31,497 INFO L475 AbstractCegarLoop]: Abstraction has 974 states and 1365 transitions. [2019-09-08 11:37:31,498 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:37:31,498 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1365 transitions. [2019-09-08 11:37:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:37:31,499 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:31,499 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:31,499 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:31,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:31,501 INFO L82 PathProgramCache]: Analyzing trace with hash -568260831, now seen corresponding path program 1 times [2019-09-08 11:37:31,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:31,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:31,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:31,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:31,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:31,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:31,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:37:31,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:37:31,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:37:31,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:31,585 INFO L87 Difference]: Start difference. First operand 974 states and 1365 transitions. Second operand 7 states. [2019-09-08 11:37:32,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:32,383 INFO L93 Difference]: Finished difference Result 2990 states and 4197 transitions. [2019-09-08 11:37:32,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:37:32,383 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-09-08 11:37:32,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:32,389 INFO L225 Difference]: With dead ends: 2990 [2019-09-08 11:37:32,389 INFO L226 Difference]: Without dead ends: 2078 [2019-09-08 11:37:32,391 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:32,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2019-09-08 11:37:32,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1254. [2019-09-08 11:37:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2019-09-08 11:37:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1739 transitions. [2019-09-08 11:37:32,708 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1739 transitions. Word has length 79 [2019-09-08 11:37:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:32,708 INFO L475 AbstractCegarLoop]: Abstraction has 1254 states and 1739 transitions. [2019-09-08 11:37:32,708 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:37:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1739 transitions. [2019-09-08 11:37:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-08 11:37:32,709 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:32,709 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:32,710 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:32,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:32,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1724131678, now seen corresponding path program 1 times [2019-09-08 11:37:32,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:32,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:32,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:32,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:32,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:32,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:32,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:32,760 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:32,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:32,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:32,761 INFO L87 Difference]: Start difference. First operand 1254 states and 1739 transitions. Second operand 3 states. [2019-09-08 11:37:33,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:33,073 INFO L93 Difference]: Finished difference Result 2343 states and 3255 transitions. [2019-09-08 11:37:33,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:33,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-09-08 11:37:33,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:33,077 INFO L225 Difference]: With dead ends: 2343 [2019-09-08 11:37:33,077 INFO L226 Difference]: Without dead ends: 1151 [2019-09-08 11:37:33,079 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:33,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2019-09-08 11:37:33,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 933. [2019-09-08 11:37:33,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2019-09-08 11:37:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1266 transitions. [2019-09-08 11:37:33,322 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1266 transitions. Word has length 80 [2019-09-08 11:37:33,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:33,322 INFO L475 AbstractCegarLoop]: Abstraction has 933 states and 1266 transitions. [2019-09-08 11:37:33,322 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:33,322 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1266 transitions. [2019-09-08 11:37:33,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:37:33,323 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:33,324 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:33,324 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:33,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:33,324 INFO L82 PathProgramCache]: Analyzing trace with hash 265653448, now seen corresponding path program 1 times [2019-09-08 11:37:33,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:33,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:33,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:33,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:33,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:33,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:33,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:33,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:33,369 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:33,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:33,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:33,369 INFO L87 Difference]: Start difference. First operand 933 states and 1266 transitions. Second operand 3 states. [2019-09-08 11:37:33,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:33,733 INFO L93 Difference]: Finished difference Result 2154 states and 2929 transitions. [2019-09-08 11:37:33,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:33,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-08 11:37:33,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:33,738 INFO L225 Difference]: With dead ends: 2154 [2019-09-08 11:37:33,738 INFO L226 Difference]: Without dead ends: 1283 [2019-09-08 11:37:33,739 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:33,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2019-09-08 11:37:34,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1167. [2019-09-08 11:37:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2019-09-08 11:37:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1566 transitions. [2019-09-08 11:37:34,042 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1566 transitions. Word has length 81 [2019-09-08 11:37:34,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:34,042 INFO L475 AbstractCegarLoop]: Abstraction has 1167 states and 1566 transitions. [2019-09-08 11:37:34,042 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1566 transitions. [2019-09-08 11:37:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-08 11:37:34,043 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:34,043 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:34,043 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:34,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:34,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1648812015, now seen corresponding path program 1 times [2019-09-08 11:37:34,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:34,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:34,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:34,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:34,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:34,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:34,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:34,095 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:34,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:34,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:34,095 INFO L87 Difference]: Start difference. First operand 1167 states and 1566 transitions. Second operand 3 states. [2019-09-08 11:37:34,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:34,540 INFO L93 Difference]: Finished difference Result 2414 states and 3258 transitions. [2019-09-08 11:37:34,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:34,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2019-09-08 11:37:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:34,545 INFO L225 Difference]: With dead ends: 2414 [2019-09-08 11:37:34,545 INFO L226 Difference]: Without dead ends: 1309 [2019-09-08 11:37:34,547 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:34,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2019-09-08 11:37:34,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1267. [2019-09-08 11:37:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2019-09-08 11:37:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1687 transitions. [2019-09-08 11:37:34,957 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1687 transitions. Word has length 82 [2019-09-08 11:37:34,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:34,957 INFO L475 AbstractCegarLoop]: Abstraction has 1267 states and 1687 transitions. [2019-09-08 11:37:34,957 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1687 transitions. [2019-09-08 11:37:34,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-08 11:37:34,958 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:34,959 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:34,959 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:34,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:34,959 INFO L82 PathProgramCache]: Analyzing trace with hash -2106033639, now seen corresponding path program 1 times [2019-09-08 11:37:34,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:34,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:34,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:34,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:34,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:35,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-08 11:37:35,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:35,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:35,052 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:35,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:35,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:35,053 INFO L87 Difference]: Start difference. First operand 1267 states and 1687 transitions. Second operand 5 states. [2019-09-08 11:37:35,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:35,712 INFO L93 Difference]: Finished difference Result 3364 states and 4494 transitions. [2019-09-08 11:37:35,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:35,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2019-09-08 11:37:35,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:35,719 INFO L225 Difference]: With dead ends: 3364 [2019-09-08 11:37:35,719 INFO L226 Difference]: Without dead ends: 2159 [2019-09-08 11:37:35,721 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:37:35,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2019-09-08 11:37:36,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 1722. [2019-09-08 11:37:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1722 states. [2019-09-08 11:37:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2299 transitions. [2019-09-08 11:37:36,191 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2299 transitions. Word has length 101 [2019-09-08 11:37:36,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:36,192 INFO L475 AbstractCegarLoop]: Abstraction has 1722 states and 2299 transitions. [2019-09-08 11:37:36,192 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2299 transitions. [2019-09-08 11:37:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-08 11:37:36,193 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:36,193 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:36,194 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:36,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:36,194 INFO L82 PathProgramCache]: Analyzing trace with hash -691024417, now seen corresponding path program 1 times [2019-09-08 11:37:36,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:36,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:36,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:36,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:36,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-08 11:37:36,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:36,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:36,273 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:36,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:36,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:36,274 INFO L87 Difference]: Start difference. First operand 1722 states and 2299 transitions. Second operand 5 states. [2019-09-08 11:37:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:37,603 INFO L93 Difference]: Finished difference Result 6385 states and 8550 transitions. [2019-09-08 11:37:37,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:37,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2019-09-08 11:37:37,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:37,622 INFO L225 Difference]: With dead ends: 6385 [2019-09-08 11:37:37,622 INFO L226 Difference]: Without dead ends: 4725 [2019-09-08 11:37:37,624 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:37,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4725 states. [2019-09-08 11:37:38,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4725 to 2592. [2019-09-08 11:37:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2592 states. [2019-09-08 11:37:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 3459 transitions. [2019-09-08 11:37:38,371 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 3459 transitions. Word has length 101 [2019-09-08 11:37:38,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:38,372 INFO L475 AbstractCegarLoop]: Abstraction has 2592 states and 3459 transitions. [2019-09-08 11:37:38,372 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3459 transitions. [2019-09-08 11:37:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-08 11:37:38,373 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:38,374 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:38,374 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:38,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:38,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1500630065, now seen corresponding path program 1 times [2019-09-08 11:37:38,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:38,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:38,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:38,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:38,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-08 11:37:38,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:38,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:38,453 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:38,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:38,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:38,454 INFO L87 Difference]: Start difference. First operand 2592 states and 3459 transitions. Second operand 5 states. [2019-09-08 11:37:39,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:39,554 INFO L93 Difference]: Finished difference Result 5177 states and 6927 transitions. [2019-09-08 11:37:39,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:39,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2019-09-08 11:37:39,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:39,567 INFO L225 Difference]: With dead ends: 5177 [2019-09-08 11:37:39,567 INFO L226 Difference]: Without dead ends: 3517 [2019-09-08 11:37:39,571 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:37:39,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2019-09-08 11:37:40,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3047. [2019-09-08 11:37:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3047 states. [2019-09-08 11:37:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 3047 states and 4071 transitions. [2019-09-08 11:37:40,447 INFO L78 Accepts]: Start accepts. Automaton has 3047 states and 4071 transitions. Word has length 102 [2019-09-08 11:37:40,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:40,447 INFO L475 AbstractCegarLoop]: Abstraction has 3047 states and 4071 transitions. [2019-09-08 11:37:40,447 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3047 states and 4071 transitions. [2019-09-08 11:37:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-08 11:37:40,449 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:40,449 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:40,450 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:40,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:40,450 INFO L82 PathProgramCache]: Analyzing trace with hash -544511748, now seen corresponding path program 1 times [2019-09-08 11:37:40,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:40,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:40,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:40,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:40,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:40,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:40,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:40,510 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:40,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:40,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:40,510 INFO L87 Difference]: Start difference. First operand 3047 states and 4071 transitions. Second operand 3 states. [2019-09-08 11:37:41,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:41,353 INFO L93 Difference]: Finished difference Result 5713 states and 7593 transitions. [2019-09-08 11:37:41,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:41,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-08 11:37:41,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:41,360 INFO L225 Difference]: With dead ends: 5713 [2019-09-08 11:37:41,360 INFO L226 Difference]: Without dead ends: 2728 [2019-09-08 11:37:41,365 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:41,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2728 states. [2019-09-08 11:37:42,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2728 to 2726. [2019-09-08 11:37:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2019-09-08 11:37:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3533 transitions. [2019-09-08 11:37:42,249 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3533 transitions. Word has length 103 [2019-09-08 11:37:42,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:42,249 INFO L475 AbstractCegarLoop]: Abstraction has 2726 states and 3533 transitions. [2019-09-08 11:37:42,249 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3533 transitions. [2019-09-08 11:37:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-08 11:37:42,251 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:42,251 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:42,252 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:42,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:42,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1409510800, now seen corresponding path program 1 times [2019-09-08 11:37:42,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:42,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:42,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:42,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:42,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-08 11:37:42,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:42,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:37:42,373 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:37:42,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:37:42,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:42,374 INFO L87 Difference]: Start difference. First operand 2726 states and 3533 transitions. Second operand 9 states. [2019-09-08 11:37:44,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:44,364 INFO L93 Difference]: Finished difference Result 8193 states and 10608 transitions. [2019-09-08 11:37:44,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 11:37:44,365 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2019-09-08 11:37:44,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:44,377 INFO L225 Difference]: With dead ends: 8193 [2019-09-08 11:37:44,377 INFO L226 Difference]: Without dead ends: 5523 [2019-09-08 11:37:44,382 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:37:44,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2019-09-08 11:37:45,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 2726. [2019-09-08 11:37:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2019-09-08 11:37:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3532 transitions. [2019-09-08 11:37:45,473 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3532 transitions. Word has length 103 [2019-09-08 11:37:45,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:45,473 INFO L475 AbstractCegarLoop]: Abstraction has 2726 states and 3532 transitions. [2019-09-08 11:37:45,473 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:37:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3532 transitions. [2019-09-08 11:37:45,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 11:37:45,475 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:45,475 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:45,476 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:45,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:45,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1031408707, now seen corresponding path program 1 times [2019-09-08 11:37:45,476 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:45,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:45,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:45,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:45,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:45,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:37:45,723 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 11:37:45,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:37:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:45,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-08 11:37:45,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:37:46,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:37:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:46,686 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:37:46,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 20 [2019-09-08 11:37:46,690 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-08 11:37:46,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-08 11:37:46,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:37:46,691 INFO L87 Difference]: Start difference. First operand 2726 states and 3532 transitions. Second operand 20 states. [2019-09-08 11:37:49,750 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-08 11:37:50,403 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-08 11:37:51,344 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 11:37:51,583 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 11:37:52,186 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 11:37:52,421 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:37:52,624 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 11:37:53,141 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:37:53,323 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 11:37:53,721 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:37:54,144 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-08 11:37:54,375 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:37:54,575 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:37:55,665 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-09-08 11:37:57,977 WARN L188 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:37:58,162 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-08 11:37:58,603 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-09-08 11:37:59,494 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:37:59,654 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:38:00,418 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:38:01,033 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 11:38:01,297 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 11:38:01,541 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:38:02,404 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:38:02,637 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 11:38:03,299 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 11:38:03,664 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 11:38:04,006 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-08 11:38:04,322 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-08 11:38:04,545 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 11:38:04,754 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-08 11:38:04,948 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:38:05,857 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 11:38:06,239 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:38:06,617 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 11:38:06,999 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:38:07,279 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-08 11:38:07,466 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-08 11:38:08,049 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:38:08,382 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:38:08,543 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:38:08,870 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:38:09,040 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:38:09,366 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:38:09,545 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:38:09,731 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:38:09,979 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:38:10,727 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 11:38:11,083 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 11:38:11,283 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-08 11:38:11,669 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 11:38:12,130 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 11:38:12,597 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 11:38:12,884 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 11:38:13,135 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 11:38:13,563 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:38:13,745 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:38:14,022 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:38:14,534 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:38:14,801 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 11:38:15,076 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:38:15,251 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 11:38:15,664 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:38:15,889 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 11:38:16,082 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 11:38:16,306 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 11:38:16,529 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 11:38:16,706 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:38:16,885 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:38:17,133 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:38:17,417 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:38:17,812 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:38:17,969 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:38:18,262 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:38:18,472 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:38:18,739 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:38:19,284 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:38:19,613 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:38:20,741 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 11:38:20,924 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-09-08 11:38:23,663 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:38:24,770 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 11:38:25,079 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:38:25,450 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:38:25,779 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-08 11:38:26,317 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:38:26,572 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-08 11:38:26,890 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 11:38:27,368 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 11:38:27,598 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:38:30,870 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 11:38:31,782 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:38:32,649 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 11:38:33,035 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 11:38:33,744 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 11:38:34,147 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 11:38:34,652 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:38:37,559 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 11:38:38,133 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 11:38:38,496 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:38:38,885 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:38:39,500 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 11:38:40,266 WARN L188 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:38:40,632 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 11:38:41,211 WARN L188 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 11:38:41,438 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:38:41,767 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:38:42,251 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-08 11:38:42,775 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:38:43,186 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:38:46,123 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 11:38:46,514 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-09-08 11:38:46,750 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-08 11:38:47,058 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-08 11:38:47,487 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 11:38:49,454 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-08 11:38:50,030 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-08 11:38:51,427 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-08 11:38:57,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:38:57,373 INFO L93 Difference]: Finished difference Result 43941 states and 56124 transitions. [2019-09-08 11:38:57,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2019-09-08 11:38:57,374 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 105 [2019-09-08 11:38:57,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:38:57,469 INFO L225 Difference]: With dead ends: 43941 [2019-09-08 11:38:57,469 INFO L226 Difference]: Without dead ends: 41277 [2019-09-08 11:38:57,501 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19508 ImplicationChecksByTransitivity, 42.8s TimeCoverageRelationStatistics Valid=7109, Invalid=41069, Unknown=2, NotChecked=0, Total=48180 [2019-09-08 11:38:57,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41277 states. [2019-09-08 11:39:03,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41277 to 13719. [2019-09-08 11:39:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13719 states. [2019-09-08 11:39:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13719 states to 13719 states and 17739 transitions. [2019-09-08 11:39:03,419 INFO L78 Accepts]: Start accepts. Automaton has 13719 states and 17739 transitions. Word has length 105 [2019-09-08 11:39:03,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:39:03,419 INFO L475 AbstractCegarLoop]: Abstraction has 13719 states and 17739 transitions. [2019-09-08 11:39:03,419 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-08 11:39:03,419 INFO L276 IsEmpty]: Start isEmpty. Operand 13719 states and 17739 transitions. [2019-09-08 11:39:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-08 11:39:03,424 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:39:03,424 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:39:03,425 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:39:03,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:39:03,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1597113786, now seen corresponding path program 1 times [2019-09-08 11:39:03,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:39:03,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:39:03,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:39:03,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:39:03,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:39:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:39:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:39:03,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:39:03,723 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:39:03,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:39:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:39:03,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 11:39:03,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:39:04,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:39:04,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:39:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:39:04,504 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:39:04,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2019-09-08 11:39:04,506 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-08 11:39:04,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-08 11:39:04,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:39:04,507 INFO L87 Difference]: Start difference. First operand 13719 states and 17739 transitions. Second operand 26 states. [2019-09-08 11:39:04,678 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:39:05,318 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:39:05,677 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:39:05,970 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:39:06,345 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:39:06,591 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-08 11:39:07,171 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:39:07,593 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:39:07,924 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:39:08,378 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:39:09,015 WARN L188 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:39:09,391 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:39:09,774 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:39:10,249 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:39:10,783 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:39:11,062 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:39:11,416 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:11,884 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:39:12,194 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:39:12,528 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:39:12,803 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:39:13,025 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:39:13,755 WARN L188 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:39:14,053 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:39:14,380 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:39:14,600 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:14,910 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:39:15,139 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:39:16,011 WARN L188 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:39:16,242 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:39:16,669 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:39:17,010 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:39:17,594 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:39:17,951 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:39:18,294 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:39:18,709 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:39:19,105 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:39:19,441 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:39:19,747 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:39:20,161 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-08 11:39:20,606 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:39:21,212 WARN L188 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:39:21,710 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:39:22,171 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:39:22,605 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:39:22,910 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:39:23,207 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:39:23,572 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:39:23,811 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:39:24,194 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:39:24,522 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:39:24,941 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:25,263 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:39:25,483 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:39:25,971 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:39:26,215 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:39:26,498 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:39:26,759 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:39:27,155 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:39:27,473 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:39:27,865 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:28,212 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:28,469 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:39:28,779 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:39:29,108 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:39:29,484 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:39:29,739 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:30,017 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:39:32,649 WARN L188 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-08 11:39:33,176 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:39:33,583 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:39:33,899 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:39:34,467 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:39:34,807 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:39:35,512 WARN L188 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:39:36,075 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-08 11:39:36,461 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:39:36,831 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:39:37,139 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:39:37,653 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:39:38,125 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:39:38,817 WARN L188 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:39:39,428 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:39:39,781 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:39:40,359 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:39:40,764 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:39:41,116 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:39:41,757 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:39:42,324 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-08 11:39:42,748 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:39:43,156 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:39:43,470 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:39:43,875 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:39:44,321 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:39:44,814 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:39:45,333 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:39:45,784 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:39:46,372 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:39:47,038 WARN L188 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:39:47,538 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-08 11:39:48,042 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:39:48,569 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-08 11:39:49,085 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-08 11:39:49,455 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:39:49,927 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-08 11:39:50,310 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:39:50,626 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:39:50,968 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:39:51,481 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:39:51,947 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:39:52,492 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-08 11:39:52,985 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:39:53,581 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:39:53,873 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:39:55,046 WARN L188 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-08 11:39:55,592 WARN L188 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:39:56,171 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:39:56,524 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:39:56,992 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 11:39:57,295 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:57,669 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:39:58,024 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:39:58,569 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:39:59,024 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:39:59,653 WARN L188 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:40:00,114 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-08 11:40:00,475 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:40:00,870 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:40:01,336 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:40:02,195 WARN L188 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-08 11:40:02,581 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 11:40:03,452 WARN L188 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:40:03,874 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:40:04,548 WARN L188 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:40:05,055 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:40:05,403 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-08 11:40:05,800 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:40:06,215 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:40:06,620 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 11:40:07,059 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 11:40:07,361 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:40:07,726 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:40:08,063 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:40:08,978 WARN L188 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-08 11:40:09,232 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:40:09,500 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:40:09,889 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:40:10,327 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:40:10,749 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:40:11,167 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:40:11,579 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 11:40:11,911 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:40:12,274 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:40:12,809 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:40:13,405 WARN L188 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:40:13,804 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:40:14,249 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 11:40:14,711 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:40:15,088 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:40:15,504 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:40:16,220 WARN L188 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:40:16,540 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:40:18,247 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:40:18,818 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:40:19,168 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:40:19,702 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:40:20,123 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 11:40:20,485 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:40:20,978 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-08 11:40:21,335 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:40:21,712 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:40:22,011 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:40:22,396 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:40:22,929 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:40:23,217 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:40:23,617 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:40:23,994 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-08 11:40:24,603 WARN L188 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-08 11:40:25,009 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 11:40:25,542 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:40:26,031 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:40:26,647 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:40:27,035 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:40:27,834 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:40:28,180 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:40:28,859 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:40:29,447 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-08 11:40:29,816 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 11:40:30,198 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:40:30,698 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:40:31,004 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:40:31,519 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:40:32,139 WARN L188 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-08 11:40:32,538 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:40:32,910 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:40:33,244 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:40:33,817 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:40:34,171 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:40:34,573 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-08 11:40:35,100 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:40:35,553 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:40:35,970 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:40:36,326 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:40:36,742 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 11:40:37,230 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:40:37,898 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:40:38,328 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-08 11:40:39,077 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-09-08 11:40:39,381 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:40:39,909 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:40:40,330 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:40:41,020 WARN L188 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:40:41,388 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:40:41,737 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:40:42,190 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:40:43,005 WARN L188 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:40:43,495 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 11:40:43,814 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:40:44,264 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:40:44,537 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 11:40:46,840 WARN L188 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:40:47,189 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:40:47,623 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:40:48,007 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 11:40:48,556 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:40:49,171 WARN L188 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:40:49,477 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:40:49,774 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:40:50,094 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:40:50,445 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-08 11:40:50,769 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:40:51,059 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:40:51,384 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:40:51,880 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:40:52,216 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:40:52,565 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:40:53,008 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:40:53,390 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:40:55,625 WARN L188 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:40:56,147 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:40:56,535 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:40:56,940 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:40:57,289 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:40:57,775 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:40:58,119 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:40:58,611 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:40:59,185 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:40:59,620 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-08 11:40:59,988 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:41:00,558 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:41:01,214 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:41:01,494 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 11:41:01,901 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:41:02,323 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:41:03,705 WARN L188 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-08 11:41:04,067 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:41:04,391 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:41:04,846 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:41:05,364 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:41:05,846 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:41:06,129 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:06,475 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:41:06,960 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:41:07,349 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 11:41:07,695 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:41:08,018 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:41:08,404 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 11:41:08,760 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:09,221 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:41:09,549 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:41:10,029 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:41:10,450 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:41:10,710 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:41:11,069 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:41:11,531 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:41:12,114 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 11:41:12,450 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 11:41:12,727 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:41:13,023 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:41:13,364 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:41:13,640 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 11:41:13,896 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:14,168 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:41:14,487 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:15,004 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:41:15,344 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:41:16,003 WARN L188 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:41:18,237 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:41:18,519 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:41:18,841 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:41:19,336 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:41:19,660 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:41:20,042 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:41:20,352 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:41:20,755 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 11:41:21,057 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:41:21,557 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:22,068 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:41:22,380 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:41:22,959 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 11:41:23,501 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:41:24,180 WARN L188 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:41:24,628 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:41:24,972 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:41:25,317 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:25,676 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:41:26,121 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:41:26,467 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:41:26,837 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:41:27,274 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 11:41:27,924 WARN L188 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:41:28,620 WARN L188 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:41:29,306 WARN L188 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:41:29,680 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:41:30,125 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:41:30,601 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:41:30,922 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 11:41:31,231 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-08 11:41:31,518 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:31,952 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:41:32,365 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:41:33,013 WARN L188 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:41:33,450 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:41:33,797 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:41:34,074 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:41:34,467 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:41:35,089 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:41:35,472 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:41:35,857 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-08 11:41:36,225 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:41:36,623 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:41:36,973 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:41:37,339 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:41:37,707 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 11:41:38,085 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 11:41:38,615 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:41:38,954 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:41:39,630 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:41:39,965 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:41:40,329 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:41:40,728 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:41:41,066 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:41:41,429 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:41,725 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:41:42,052 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:41:42,366 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 11:41:42,687 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:41:43,026 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:41:43,631 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:41:43,979 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:41:44,324 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:41:44,686 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:41:44,928 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-08 11:41:46,427 WARN L188 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:47,037 WARN L188 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 11:41:47,276 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:41:47,676 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:41:48,036 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 11:41:48,366 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:41:48,646 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:41:49,012 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 11:41:49,465 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:41:49,877 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:41:50,337 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 11:41:50,874 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:41:51,246 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-08 11:41:51,560 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:41:51,902 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:52,278 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:41:52,570 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:52,894 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:41:53,327 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:41:53,765 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:41:54,066 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:54,383 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:54,893 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:55,240 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:55,593 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:41:56,080 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:41:56,443 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:41:56,861 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:41:57,320 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:57,723 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:41:58,055 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:41:58,366 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:41:59,079 WARN L188 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:41:59,514 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:42:00,575 WARN L188 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:42:00,956 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:42:01,249 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:42:01,638 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 11:42:02,218 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:42:02,676 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:42:03,023 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:42:03,439 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:42:03,815 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:42:04,751 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:42:15,272 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:42:15,835 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:42:16,214 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:42:16,501 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:42:17,184 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:42:17,582 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:42:17,985 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:42:18,577 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:42:19,028 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:42:20,327 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:42:20,648 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:42:21,183 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:42:21,914 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:42:22,309 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:42:22,716 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-08 11:42:23,323 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:42:23,666 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:42:24,328 WARN L188 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:42:24,662 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-08 11:42:25,278 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:42:25,713 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:42:26,023 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:42:27,553 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:42:27,886 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:42:28,230 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:42:29,052 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:42:29,667 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 11:42:30,073 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:42:30,516 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 11:42:30,843 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:42:31,980 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:42:32,404 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 11:42:32,751 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:42:33,187 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 11:42:33,597 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:42:34,245 WARN L188 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 11:42:34,819 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-08 11:42:35,333 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2019-09-08 11:42:35,706 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:42:36,237 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:42:36,718 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:42:37,085 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:42:37,691 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:42:38,236 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-08 11:42:38,810 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:42:39,295 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:42:39,641 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:42:40,125 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:42:40,584 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:42:41,202 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:42:41,557 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:42:42,184 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:42:42,602 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:42:43,179 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-08 11:42:43,771 WARN L188 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:42:44,233 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 11:42:44,574 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-08 11:42:45,355 WARN L188 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:42:45,871 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 11:42:46,249 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:42:47,171 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:42:47,542 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:42:48,314 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 11:42:48,706 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:42:49,520 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:42:50,184 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 11:42:50,774 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:42:51,306 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:42:51,888 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:42:52,651 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:42:53,059 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-08 11:42:53,441 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:42:54,245 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:42:54,816 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:42:55,205 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 11:42:55,814 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:42:56,481 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:42:57,022 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:42:57,417 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 11:42:57,879 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:42:58,536 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:42:59,204 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-08 11:42:59,539 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:42:59,924 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 11:43:00,518 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:43:00,851 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:43:01,733 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:43:04,095 WARN L188 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:43:04,563 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:43:05,016 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:43:05,374 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:43:05,647 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:43:06,004 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 11:43:06,414 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:43:06,766 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:43:07,606 WARN L188 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:43:07,984 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:43:08,332 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:43:08,851 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:43:09,274 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-08 11:43:09,629 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:43:10,011 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:43:10,437 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:43:10,896 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:43:11,734 WARN L188 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:43:12,297 WARN L188 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:43:12,767 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:43:13,254 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:43:13,761 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:43:14,172 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:43:14,507 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:43:14,981 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:43:15,422 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:43:15,739 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:43:16,159 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:43:16,783 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:43:17,142 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:43:17,469 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:43:17,837 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:43:18,545 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:43:19,034 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:43:19,517 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:43:19,831 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:43:20,543 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:43:20,886 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:43:21,350 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:43:21,769 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:43:22,127 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:43:22,612 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:43:22,982 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-08 11:43:23,344 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:43:23,840 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:43:24,315 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-08 11:43:24,872 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-08 11:43:25,371 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:43:25,797 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:43:26,201 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:43:26,609 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:43:27,078 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 11:43:27,504 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:43:27,839 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:43:28,324 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:43:28,795 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:43:29,289 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:43:29,616 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:43:29,909 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:43:30,464 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:43:30,962 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:43:31,350 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:43:31,806 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:43:32,144 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-08 11:43:32,685 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:43:33,115 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-08 11:43:33,694 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:43:34,262 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-08 11:43:35,472 WARN L188 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:43:35,821 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:43:36,295 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 11:43:36,748 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:43:37,425 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:43:38,772 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:43:48,430 WARN L188 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:43:50,160 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:43:50,580 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:43:51,184 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:43:52,116 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:43:52,567 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:43:53,069 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:43:53,668 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:43:54,502 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-08 11:43:55,114 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:43:56,004 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:43:56,573 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:43:57,126 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:43:57,447 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:43:57,902 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:43:58,346 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:43:59,097 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 11:43:59,870 WARN L188 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:44:00,288 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-08 11:44:00,881 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:44:01,435 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-08 11:44:02,121 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-08 11:44:02,778 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:44:03,279 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:44:03,752 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:44:04,240 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:44:04,920 WARN L188 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:44:05,516 WARN L188 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-08 11:44:05,871 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:44:06,294 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:44:06,770 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:44:07,399 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-08 11:44:07,935 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-08 11:44:08,480 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 11:44:09,154 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-08 11:44:09,506 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:44:09,917 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 11:44:10,386 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:44:10,754 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:44:11,295 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:44:12,186 WARN L188 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:44:12,757 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:44:13,308 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:44:13,813 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-08 11:44:14,554 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 11:44:15,268 WARN L188 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-08 11:44:15,838 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:44:16,215 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:44:16,622 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:44:17,240 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:44:20,127 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:44:20,700 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:44:22,218 WARN L188 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2019-09-08 11:44:22,642 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:44:23,242 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-08 11:44:23,996 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:44:24,441 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:44:25,244 WARN L188 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:44:25,849 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:44:26,339 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:44:26,950 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:44:27,383 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:44:30,178 WARN L188 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:44:30,554 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:44:30,925 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:44:31,911 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:44:32,315 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:44:32,672 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:44:33,400 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:44:33,906 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2019-09-08 11:44:34,292 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:44:34,640 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:44:35,219 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-08 11:44:35,878 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:44:36,364 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:44:37,068 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:44:37,572 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:44:38,208 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:44:38,962 WARN L188 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-08 11:44:39,429 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:44:39,993 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-09-08 11:44:40,854 WARN L188 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:44:41,414 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 11:44:42,019 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:44:42,819 WARN L188 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-08 11:44:43,185 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:44:44,057 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:44:44,465 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:44:44,850 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:44:45,504 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:44:46,144 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:44:46,442 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:44:47,006 WARN L188 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:44:47,372 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:44:47,758 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:44:48,191 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:44:49,113 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-08 11:44:49,449 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:44:50,107 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:44:50,828 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-08 11:44:51,459 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 11:44:52,431 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:44:52,959 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-08 11:44:53,483 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:44:53,909 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:44:54,426 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 11:44:55,451 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:44:55,868 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:44:57,211 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:44:57,639 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:44:58,096 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:44:58,638 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-09-08 11:44:59,306 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-08 11:44:59,803 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2019-09-08 11:45:00,233 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:45:01,367 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:45:02,351 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:45:03,090 WARN L188 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:45:03,487 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:45:03,904 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:45:04,558 WARN L188 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-08 11:45:04,933 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:45:05,614 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:45:06,088 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:45:06,543 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2019-09-08 11:45:06,987 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:45:07,500 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-08 11:45:08,815 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:45:09,290 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:45:09,657 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:45:10,004 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:45:10,502 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:45:10,889 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:45:13,363 WARN L188 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:45:14,264 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:45:14,770 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:45:16,269 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:45:16,763 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:45:17,385 WARN L188 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:45:17,705 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:45:18,040 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:45:18,381 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:45:18,795 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:45:20,726 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:45:21,753 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:45:22,300 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:45:22,797 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:45:23,553 WARN L188 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:45:23,914 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:45:24,267 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-08 11:45:26,580 WARN L188 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:45:27,056 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:45:27,416 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:45:27,804 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:45:28,270 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:45:28,668 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:45:29,048 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:45:29,641 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:45:30,049 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:45:31,028 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:45:31,520 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-08 11:45:32,108 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:45:32,584 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:45:33,032 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-08 11:45:34,454 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:45:34,806 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:45:35,178 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:45:36,137 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:45:36,568 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:45:36,895 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:45:37,247 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:45:37,594 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:45:38,200 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:45:38,640 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-08 11:45:39,135 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:45:39,481 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:45:40,046 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:45:40,963 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:45:41,524 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-08 11:45:41,934 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-08 11:45:42,350 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:45:42,812 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:45:43,185 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:45:44,709 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:45:45,205 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:45:45,534 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:45:46,743 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:45:47,255 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-08 11:45:47,873 WARN L188 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:45:48,253 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:45:48,794 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:45:49,736 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:45:50,108 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:45:50,962 WARN L188 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:45:51,379 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-08 11:45:51,762 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:45:53,299 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:45:53,983 WARN L188 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:45:55,294 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-08 11:45:56,779 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:45:57,117 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:46:21,305 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:46:23,557 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:46:23,910 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:46:28,557 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:46:28,894 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:46:30,130 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-08 11:46:31,911 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:46:32,263 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:46:32,677 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 11:46:33,193 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:46:33,669 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:46:34,798 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:46:35,616 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:46:36,561 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:46:40,921 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:46:42,293 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-08 11:46:44,256 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:46:45,133 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:46:45,648 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-08 11:46:46,125 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:46:47,656 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 94 [2019-09-08 11:46:48,045 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:46:49,205 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:46:50,386 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:46:50,757 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-08 11:46:51,119 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:46:51,698 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:46:53,251 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-08 11:46:55,553 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 11:46:56,385 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 11:46:57,751 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2019-09-08 11:47:00,343 WARN L188 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:47:01,676 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:47:03,842 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:47:05,393 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-08 11:47:06,605 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-08 11:47:08,114 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:47:09,566 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:47:09,940 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:47:11,270 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:47:12,887 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-08 11:47:14,312 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:47:15,404 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 11:47:17,320 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:47:22,097 WARN L188 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:47:24,195 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:47:26,428 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:47:26,892 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:47:30,853 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:47:31,661 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-08 11:47:32,655 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:47:33,605 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-09-08 11:47:34,643 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:47:35,159 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:47:36,531 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 11:47:38,098 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-08 11:47:38,944 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:47:40,159 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-08 11:47:41,060 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:47:42,031 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2019-09-08 11:47:43,203 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 11:47:53,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:47:54,000 INFO L93 Difference]: Finished difference Result 322981 states and 415950 transitions. [2019-09-08 11:47:54,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 827 states. [2019-09-08 11:47:54,000 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 106 [2019-09-08 11:47:54,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:47:54,917 INFO L225 Difference]: With dead ends: 322981 [2019-09-08 11:47:54,918 INFO L226 Difference]: Without dead ends: 309357 [2019-09-08 11:47:55,041 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 945 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 848 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347850 ImplicationChecksByTransitivity, 356.1s TimeCoverageRelationStatistics Valid=64155, Invalid=657495, Unknown=0, NotChecked=0, Total=721650 [2019-09-08 11:47:55,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309357 states. [2019-09-08 11:48:36,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309357 to 78490. [2019-09-08 11:48:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78490 states. [2019-09-08 11:48:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78490 states to 78490 states and 101624 transitions. [2019-09-08 11:48:36,577 INFO L78 Accepts]: Start accepts. Automaton has 78490 states and 101624 transitions. Word has length 106 [2019-09-08 11:48:36,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:48:36,578 INFO L475 AbstractCegarLoop]: Abstraction has 78490 states and 101624 transitions. [2019-09-08 11:48:36,578 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-09-08 11:48:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 78490 states and 101624 transitions. [2019-09-08 11:48:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-08 11:48:36,589 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:48:36,589 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:48:36,589 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:48:36,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:48:36,590 INFO L82 PathProgramCache]: Analyzing trace with hash 319130735, now seen corresponding path program 1 times [2019-09-08 11:48:36,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:48:36,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:48:36,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:48:36,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:48:36,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:48:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:48:37,161 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:48:37,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:48:37,162 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 11:48:37,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:48:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:48:37,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 11:48:37,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:48:37,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:48:37,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:48:37,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:48:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:48:41,779 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:48:41,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2019-09-08 11:48:41,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-08 11:48:41,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-08 11:48:41,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=320, Unknown=2, NotChecked=0, Total=380 [2019-09-08 11:48:41,780 INFO L87 Difference]: Start difference. First operand 78490 states and 101624 transitions. Second operand 20 states. [2019-09-08 11:48:42,492 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2019-09-08 11:48:44,168 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2019-09-08 11:48:45,112 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 34 [2019-09-08 11:48:47,716 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2019-09-08 11:48:52,227 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-09-08 11:48:53,033 WARN L188 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2019-09-08 11:48:53,380 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2019-09-08 11:48:54,091 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2019-09-08 11:48:56,271 WARN L188 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 63 DAG size of output: 34 [2019-09-08 11:48:56,669 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-08 11:48:59,439 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2019-09-08 11:48:59,688 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2019-09-08 11:49:00,189 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 31 [2019-09-08 11:49:07,091 WARN L188 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2019-09-08 11:49:08,008 WARN L188 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37