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.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 11:50:44,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 11:50:44,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 11:50:44,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 11:50:44,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 11:50:44,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 11:50:44,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 11:50:44,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 11:50:44,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 11:50:44,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 11:50:44,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 11:50:44,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 11:50:44,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 11:50:44,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 11:50:44,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 11:50:44,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 11:50:44,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 11:50:44,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 11:50:44,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 11:50:44,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 11:50:44,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 11:50:44,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 11:50:44,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 11:50:44,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 11:50:44,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 11:50:44,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 11:50:44,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 11:50:44,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 11:50:44,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 11:50:44,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 11:50:44,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 11:50:44,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 11:50:44,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 11:50:44,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 11:50:44,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 11:50:44,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 11:50:44,076 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 11:50:44,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 11:50:44,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 11:50:44,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 11:50:44,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 11:50:44,093 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 11:50:44,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 11:50:44,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 11:50:44,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 11:50:44,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 11:50:44,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 11:50:44,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 11:50:44,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 11:50:44,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 11:50:44,094 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 11:50:44,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 11:50:44,095 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 11:50:44,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 11:50:44,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 11:50:44,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 11:50:44,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 11:50:44,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 11:50:44,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:50:44,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 11:50:44,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 11:50:44,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 11:50:44,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 11:50:44,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 11:50:44,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 11:50:44,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 11:50:44,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 11:50:44,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 11:50:44,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 11:50:44,146 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 11:50:44,146 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 11:50:44,147 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-08 11:50:44,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6870752a/fd56bbd5f8eb4d50995e7e85a8948898/FLAG139e5b969 [2019-09-08 11:50:44,734 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 11:50:44,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-08 11:50:44,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6870752a/fd56bbd5f8eb4d50995e7e85a8948898/FLAG139e5b969 [2019-09-08 11:50:45,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6870752a/fd56bbd5f8eb4d50995e7e85a8948898 [2019-09-08 11:50:45,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 11:50:45,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 11:50:45,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 11:50:45,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 11:50:45,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 11:50:45,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:50:45" (1/1) ... [2019-09-08 11:50:45,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e0c27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45, skipping insertion in model container [2019-09-08 11:50:45,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:50:45" (1/1) ... [2019-09-08 11:50:45,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 11:50:45,132 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 11:50:45,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:50:45,534 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 11:50:45,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:50:45,677 INFO L192 MainTranslator]: Completed translation [2019-09-08 11:50:45,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45 WrapperNode [2019-09-08 11:50:45,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 11:50:45,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 11:50:45,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 11:50:45,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 11:50:45,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45" (1/1) ... [2019-09-08 11:50:45,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45" (1/1) ... [2019-09-08 11:50:45,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45" (1/1) ... [2019-09-08 11:50:45,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45" (1/1) ... [2019-09-08 11:50:45,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45" (1/1) ... [2019-09-08 11:50:45,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45" (1/1) ... [2019-09-08 11:50:45,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45" (1/1) ... [2019-09-08 11:50:45,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 11:50:45,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 11:50:45,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 11:50:45,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 11:50:45,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45" (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 11:50:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 11:50:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 11:50:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 11:50:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 11:50:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 11:50:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 11:50:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 11:50:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 11:50:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 11:50:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 11:50:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 11:50:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 11:50:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 11:50:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-08 11:50:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 11:50:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 11:50:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 11:50:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 11:50:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 11:50:46,616 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 11:50:46,616 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 11:50:46,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:50:46 BoogieIcfgContainer [2019-09-08 11:50:46,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 11:50:46,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 11:50:46,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 11:50:46,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 11:50:46,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:50:45" (1/3) ... [2019-09-08 11:50:46,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8a65fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:50:46, skipping insertion in model container [2019-09-08 11:50:46,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:50:45" (2/3) ... [2019-09-08 11:50:46,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8a65fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:50:46, skipping insertion in model container [2019-09-08 11:50:46,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:50:46" (3/3) ... [2019-09-08 11:50:46,626 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-08 11:50:46,636 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 11:50:46,647 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 11:50:46,665 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 11:50:46,697 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 11:50:46,698 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 11:50:46,698 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 11:50:46,699 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 11:50:46,699 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 11:50:46,699 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 11:50:46,699 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 11:50:46,699 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 11:50:46,700 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 11:50:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-09-08 11:50:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 11:50:46,729 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:46,730 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] [2019-09-08 11:50:46,732 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:46,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:46,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1740828336, now seen corresponding path program 1 times [2019-09-08 11:50:46,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:46,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:46,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:46,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:46,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:47,217 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 11:50:47,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:47,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:50:47,226 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:50:47,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:50:47,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:50:47,243 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2019-09-08 11:50:47,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:47,418 INFO L93 Difference]: Finished difference Result 250 states and 407 transitions. [2019-09-08 11:50:47,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:50:47,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-09-08 11:50:47,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:47,446 INFO L225 Difference]: With dead ends: 250 [2019-09-08 11:50:47,446 INFO L226 Difference]: Without dead ends: 187 [2019-09-08 11:50:47,452 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 11:50:47,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-09-08 11:50:47,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2019-09-08 11:50:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-09-08 11:50:47,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 264 transitions. [2019-09-08 11:50:47,528 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 264 transitions. Word has length 66 [2019-09-08 11:50:47,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:47,529 INFO L475 AbstractCegarLoop]: Abstraction has 185 states and 264 transitions. [2019-09-08 11:50:47,529 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:50:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 264 transitions. [2019-09-08 11:50:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 11:50:47,533 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:47,533 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] [2019-09-08 11:50:47,534 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:47,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:47,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1313317093, now seen corresponding path program 1 times [2019-09-08 11:50:47,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:47,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:47,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:47,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:47,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:47,687 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 11:50:47,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:47,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:50:47,690 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:50:47,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:50:47,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:50:47,691 INFO L87 Difference]: Start difference. First operand 185 states and 264 transitions. Second operand 5 states. [2019-09-08 11:50:48,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:48,005 INFO L93 Difference]: Finished difference Result 336 states and 493 transitions. [2019-09-08 11:50:48,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:50:48,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2019-09-08 11:50:48,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:48,009 INFO L225 Difference]: With dead ends: 336 [2019-09-08 11:50:48,009 INFO L226 Difference]: Without dead ends: 185 [2019-09-08 11:50:48,014 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 11:50:48,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-09-08 11:50:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-09-08 11:50:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-09-08 11:50:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 261 transitions. [2019-09-08 11:50:48,066 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 261 transitions. Word has length 68 [2019-09-08 11:50:48,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:48,066 INFO L475 AbstractCegarLoop]: Abstraction has 185 states and 261 transitions. [2019-09-08 11:50:48,067 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:50:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 261 transitions. [2019-09-08 11:50:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-08 11:50:48,072 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:48,072 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] [2019-09-08 11:50:48,073 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:48,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:48,073 INFO L82 PathProgramCache]: Analyzing trace with hash -78645371, now seen corresponding path program 1 times [2019-09-08 11:50:48,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:48,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:48,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:48,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:48,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:48,194 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 11:50:48,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:48,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:50:48,195 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:50:48,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:50:48,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:50:48,196 INFO L87 Difference]: Start difference. First operand 185 states and 261 transitions. Second operand 5 states. [2019-09-08 11:50:48,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:48,390 INFO L93 Difference]: Finished difference Result 328 states and 478 transitions. [2019-09-08 11:50:48,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:50:48,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-08 11:50:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:48,395 INFO L225 Difference]: With dead ends: 328 [2019-09-08 11:50:48,395 INFO L226 Difference]: Without dead ends: 185 [2019-09-08 11:50:48,397 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 11:50:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-09-08 11:50:48,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-09-08 11:50:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-09-08 11:50:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 258 transitions. [2019-09-08 11:50:48,426 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 258 transitions. Word has length 69 [2019-09-08 11:50:48,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:48,427 INFO L475 AbstractCegarLoop]: Abstraction has 185 states and 258 transitions. [2019-09-08 11:50:48,427 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:50:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 258 transitions. [2019-09-08 11:50:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 11:50:48,430 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:48,430 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] [2019-09-08 11:50:48,430 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:48,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:48,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1001586053, now seen corresponding path program 1 times [2019-09-08 11:50:48,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:48,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:48,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:48,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:48,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:48,647 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 11:50:48,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:48,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:50:48,648 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:50:48,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:50:48,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:50:48,649 INFO L87 Difference]: Start difference. First operand 185 states and 258 transitions. Second operand 6 states. [2019-09-08 11:50:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:48,874 INFO L93 Difference]: Finished difference Result 420 states and 612 transitions. [2019-09-08 11:50:48,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:50:48,874 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-09-08 11:50:48,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:48,878 INFO L225 Difference]: With dead ends: 420 [2019-09-08 11:50:48,878 INFO L226 Difference]: Without dead ends: 281 [2019-09-08 11:50:48,880 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:50:48,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-09-08 11:50:48,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 279. [2019-09-08 11:50:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-09-08 11:50:48,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 398 transitions. [2019-09-08 11:50:48,906 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 398 transitions. Word has length 70 [2019-09-08 11:50:48,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:48,906 INFO L475 AbstractCegarLoop]: Abstraction has 279 states and 398 transitions. [2019-09-08 11:50:48,906 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:50:48,907 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 398 transitions. [2019-09-08 11:50:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-08 11:50:48,908 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:48,909 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] [2019-09-08 11:50:48,909 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:48,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:48,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1407383114, now seen corresponding path program 1 times [2019-09-08 11:50:48,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:48,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:48,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:48,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:48,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:49,008 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 11:50:49,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:49,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:50:49,010 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:50:49,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:50:49,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:50:49,011 INFO L87 Difference]: Start difference. First operand 279 states and 398 transitions. Second operand 5 states. [2019-09-08 11:50:49,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:49,187 INFO L93 Difference]: Finished difference Result 520 states and 757 transitions. [2019-09-08 11:50:49,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:50:49,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-09-08 11:50:49,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:49,190 INFO L225 Difference]: With dead ends: 520 [2019-09-08 11:50:49,190 INFO L226 Difference]: Without dead ends: 279 [2019-09-08 11:50:49,193 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 11:50:49,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-09-08 11:50:49,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2019-09-08 11:50:49,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-09-08 11:50:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 393 transitions. [2019-09-08 11:50:49,220 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 393 transitions. Word has length 71 [2019-09-08 11:50:49,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:49,220 INFO L475 AbstractCegarLoop]: Abstraction has 279 states and 393 transitions. [2019-09-08 11:50:49,220 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:50:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 393 transitions. [2019-09-08 11:50:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-08 11:50:49,224 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:49,225 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] [2019-09-08 11:50:49,225 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:49,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:49,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1356671875, now seen corresponding path program 1 times [2019-09-08 11:50:49,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:49,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:49,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:49,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:49,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:49,450 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 11:50:49,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:49,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:50:49,451 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:50:49,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:50:49,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:50:49,452 INFO L87 Difference]: Start difference. First operand 279 states and 393 transitions. Second operand 6 states. [2019-09-08 11:50:49,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:49,724 INFO L93 Difference]: Finished difference Result 1108 states and 1630 transitions. [2019-09-08 11:50:49,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:50:49,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-09-08 11:50:49,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:49,732 INFO L225 Difference]: With dead ends: 1108 [2019-09-08 11:50:49,733 INFO L226 Difference]: Without dead ends: 920 [2019-09-08 11:50:49,734 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:50:49,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2019-09-08 11:50:49,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 376. [2019-09-08 11:50:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-09-08 11:50:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 540 transitions. [2019-09-08 11:50:49,782 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 540 transitions. Word has length 72 [2019-09-08 11:50:49,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:49,784 INFO L475 AbstractCegarLoop]: Abstraction has 376 states and 540 transitions. [2019-09-08 11:50:49,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:50:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 540 transitions. [2019-09-08 11:50:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-08 11:50:49,788 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:49,788 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] [2019-09-08 11:50:49,789 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:49,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:49,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1297238062, now seen corresponding path program 1 times [2019-09-08 11:50:49,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:49,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:49,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:49,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:49,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:49,898 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 11:50:49,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:49,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:50:49,899 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:50:49,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:50:49,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:50:49,900 INFO L87 Difference]: Start difference. First operand 376 states and 540 transitions. Second operand 5 states. [2019-09-08 11:50:50,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:50,042 INFO L93 Difference]: Finished difference Result 905 states and 1331 transitions. [2019-09-08 11:50:50,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:50:50,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-09-08 11:50:50,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:50,048 INFO L225 Difference]: With dead ends: 905 [2019-09-08 11:50:50,048 INFO L226 Difference]: Without dead ends: 717 [2019-09-08 11:50:50,049 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 11:50:50,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-09-08 11:50:50,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 589. [2019-09-08 11:50:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-09-08 11:50:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 862 transitions. [2019-09-08 11:50:50,109 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 862 transitions. Word has length 72 [2019-09-08 11:50:50,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:50,110 INFO L475 AbstractCegarLoop]: Abstraction has 589 states and 862 transitions. [2019-09-08 11:50:50,110 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:50:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 862 transitions. [2019-09-08 11:50:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-08 11:50:50,111 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:50,111 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] [2019-09-08 11:50:50,111 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:50,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:50,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1086026633, now seen corresponding path program 1 times [2019-09-08 11:50:50,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:50,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:50,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:50,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:50,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:50,167 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 11:50:50,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:50,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:50:50,168 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:50:50,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:50:50,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:50:50,169 INFO L87 Difference]: Start difference. First operand 589 states and 862 transitions. Second operand 3 states. [2019-09-08 11:50:50,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:50,296 INFO L93 Difference]: Finished difference Result 1487 states and 2196 transitions. [2019-09-08 11:50:50,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:50:50,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-09-08 11:50:50,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:50,302 INFO L225 Difference]: With dead ends: 1487 [2019-09-08 11:50:50,302 INFO L226 Difference]: Without dead ends: 1008 [2019-09-08 11:50:50,304 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 11:50:50,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-09-08 11:50:50,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1006. [2019-09-08 11:50:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2019-09-08 11:50:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1457 transitions. [2019-09-08 11:50:50,399 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1457 transitions. Word has length 72 [2019-09-08 11:50:50,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:50,400 INFO L475 AbstractCegarLoop]: Abstraction has 1006 states and 1457 transitions. [2019-09-08 11:50:50,400 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:50:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1457 transitions. [2019-09-08 11:50:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-08 11:50:50,401 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:50,401 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] [2019-09-08 11:50:50,402 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:50,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1254792648, now seen corresponding path program 1 times [2019-09-08 11:50:50,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:50,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:50,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:50,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:50,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:50,463 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 11:50:50,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:50,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:50:50,464 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:50:50,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:50:50,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:50:50,465 INFO L87 Difference]: Start difference. First operand 1006 states and 1457 transitions. Second operand 3 states. [2019-09-08 11:50:50,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:50,610 INFO L93 Difference]: Finished difference Result 2084 states and 3039 transitions. [2019-09-08 11:50:50,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:50:50,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-09-08 11:50:50,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:50,617 INFO L225 Difference]: With dead ends: 2084 [2019-09-08 11:50:50,617 INFO L226 Difference]: Without dead ends: 1188 [2019-09-08 11:50:50,620 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 11:50:50,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2019-09-08 11:50:50,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1186. [2019-09-08 11:50:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2019-09-08 11:50:50,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1713 transitions. [2019-09-08 11:50:50,732 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1713 transitions. Word has length 72 [2019-09-08 11:50:50,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:50,733 INFO L475 AbstractCegarLoop]: Abstraction has 1186 states and 1713 transitions. [2019-09-08 11:50:50,733 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:50:50,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1713 transitions. [2019-09-08 11:50:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-08 11:50:50,734 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:50,734 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] [2019-09-08 11:50:50,735 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:50,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:50,736 INFO L82 PathProgramCache]: Analyzing trace with hash -316518681, now seen corresponding path program 1 times [2019-09-08 11:50:50,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:50,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:50,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:50,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:50,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:50,908 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 11:50:50,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:50,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:50:50,909 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:50:50,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:50:50,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:50:50,909 INFO L87 Difference]: Start difference. First operand 1186 states and 1713 transitions. Second operand 6 states. [2019-09-08 11:50:51,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:51,243 INFO L93 Difference]: Finished difference Result 3906 states and 5682 transitions. [2019-09-08 11:50:51,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:50:51,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-09-08 11:50:51,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:51,260 INFO L225 Difference]: With dead ends: 3906 [2019-09-08 11:50:51,261 INFO L226 Difference]: Without dead ends: 3192 [2019-09-08 11:50:51,264 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:50:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3192 states. [2019-09-08 11:50:51,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3192 to 1731. [2019-09-08 11:50:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2019-09-08 11:50:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2506 transitions. [2019-09-08 11:50:51,460 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2506 transitions. Word has length 72 [2019-09-08 11:50:51,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:51,461 INFO L475 AbstractCegarLoop]: Abstraction has 1731 states and 2506 transitions. [2019-09-08 11:50:51,461 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:50:51,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2506 transitions. [2019-09-08 11:50:51,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-08 11:50:51,462 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:51,462 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] [2019-09-08 11:50:51,463 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:51,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:51,463 INFO L82 PathProgramCache]: Analyzing trace with hash -413972804, now seen corresponding path program 1 times [2019-09-08 11:50:51,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:51,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:51,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:51,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:51,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:51,559 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 11:50:51,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:51,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:50:51,560 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:50:51,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:50:51,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:50:51,561 INFO L87 Difference]: Start difference. First operand 1731 states and 2506 transitions. Second operand 5 states. [2019-09-08 11:50:51,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:51,798 INFO L93 Difference]: Finished difference Result 2890 states and 4198 transitions. [2019-09-08 11:50:51,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:50:51,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-09-08 11:50:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:51,810 INFO L225 Difference]: With dead ends: 2890 [2019-09-08 11:50:51,810 INFO L226 Difference]: Without dead ends: 2176 [2019-09-08 11:50:51,813 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 11:50:51,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2019-09-08 11:50:52,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 1923. [2019-09-08 11:50:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-08 11:50:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2788 transitions. [2019-09-08 11:50:52,029 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2788 transitions. Word has length 72 [2019-09-08 11:50:52,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:52,030 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2788 transitions. [2019-09-08 11:50:52,030 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:50:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2788 transitions. [2019-09-08 11:50:52,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-08 11:50:52,033 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:52,033 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] [2019-09-08 11:50:52,033 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:52,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:52,034 INFO L82 PathProgramCache]: Analyzing trace with hash -534576289, now seen corresponding path program 1 times [2019-09-08 11:50:52,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:52,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:52,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:52,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:52,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:52,396 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 11:50:52,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:52,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:50:52,398 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:50:52,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:50:52,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:50:52,399 INFO L87 Difference]: Start difference. First operand 1923 states and 2788 transitions. Second operand 10 states. [2019-09-08 11:50:53,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:53,560 INFO L93 Difference]: Finished difference Result 5637 states and 8172 transitions. [2019-09-08 11:50:53,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 11:50:53,561 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2019-09-08 11:50:53,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:53,585 INFO L225 Difference]: With dead ends: 5637 [2019-09-08 11:50:53,586 INFO L226 Difference]: Without dead ends: 3832 [2019-09-08 11:50:53,591 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-08 11:50:53,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2019-09-08 11:50:53,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 1923. [2019-09-08 11:50:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-08 11:50:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2783 transitions. [2019-09-08 11:50:53,946 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2783 transitions. Word has length 73 [2019-09-08 11:50:53,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:53,946 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2783 transitions. [2019-09-08 11:50:53,946 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:50:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2783 transitions. [2019-09-08 11:50:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-08 11:50:53,948 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:53,948 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] [2019-09-08 11:50:53,948 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:53,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:53,948 INFO L82 PathProgramCache]: Analyzing trace with hash -558530542, now seen corresponding path program 1 times [2019-09-08 11:50:53,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:53,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:53,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:53,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:53,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:54,188 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 11:50:54,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:54,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:50:54,189 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:50:54,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:50:54,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:50:54,190 INFO L87 Difference]: Start difference. First operand 1923 states and 2783 transitions. Second operand 10 states. [2019-09-08 11:50:55,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:55,354 INFO L93 Difference]: Finished difference Result 5671 states and 8211 transitions. [2019-09-08 11:50:55,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 11:50:55,355 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2019-09-08 11:50:55,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:55,374 INFO L225 Difference]: With dead ends: 5671 [2019-09-08 11:50:55,374 INFO L226 Difference]: Without dead ends: 3842 [2019-09-08 11:50:55,379 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-08 11:50:55,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3842 states. [2019-09-08 11:50:55,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3842 to 1923. [2019-09-08 11:50:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-08 11:50:55,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2779 transitions. [2019-09-08 11:50:55,669 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2779 transitions. Word has length 74 [2019-09-08 11:50:55,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:55,669 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2779 transitions. [2019-09-08 11:50:55,669 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:50:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2779 transitions. [2019-09-08 11:50:55,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-08 11:50:55,671 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:55,671 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] [2019-09-08 11:50:55,671 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:55,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:55,672 INFO L82 PathProgramCache]: Analyzing trace with hash 722788903, now seen corresponding path program 1 times [2019-09-08 11:50:55,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:55,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:55,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:55,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:55,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:55,880 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 11:50:55,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:55,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:50:55,881 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:50:55,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:50:55,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:50:55,882 INFO L87 Difference]: Start difference. First operand 1923 states and 2779 transitions. Second operand 9 states. [2019-09-08 11:50:56,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:56,646 INFO L93 Difference]: Finished difference Result 4678 states and 6792 transitions. [2019-09-08 11:50:56,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 11:50:56,646 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2019-09-08 11:50:56,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:56,660 INFO L225 Difference]: With dead ends: 4678 [2019-09-08 11:50:56,661 INFO L226 Difference]: Without dead ends: 2834 [2019-09-08 11:50:56,665 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:50:56,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2019-09-08 11:50:56,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 1923. [2019-09-08 11:50:56,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-08 11:50:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2778 transitions. [2019-09-08 11:50:56,971 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2778 transitions. Word has length 74 [2019-09-08 11:50:56,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:56,971 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2778 transitions. [2019-09-08 11:50:56,971 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:50:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2778 transitions. [2019-09-08 11:50:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-08 11:50:56,973 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:56,973 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] [2019-09-08 11:50:56,973 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:56,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:56,974 INFO L82 PathProgramCache]: Analyzing trace with hash 551115414, now seen corresponding path program 1 times [2019-09-08 11:50:56,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:56,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:56,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:56,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:56,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:57,220 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 11:50:57,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:50:57,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:50:57,221 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:50:57,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:50:57,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:50:57,222 INFO L87 Difference]: Start difference. First operand 1923 states and 2778 transitions. Second operand 10 states. [2019-09-08 11:50:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:58,578 INFO L93 Difference]: Finished difference Result 5686 states and 8226 transitions. [2019-09-08 11:50:58,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 11:50:58,579 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2019-09-08 11:50:58,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:58,596 INFO L225 Difference]: With dead ends: 5686 [2019-09-08 11:50:58,596 INFO L226 Difference]: Without dead ends: 3847 [2019-09-08 11:50:58,601 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-09-08 11:50:58,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2019-09-08 11:50:58,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 1923. [2019-09-08 11:50:58,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-08 11:50:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2776 transitions. [2019-09-08 11:50:58,893 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2776 transitions. Word has length 75 [2019-09-08 11:50:58,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:58,893 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2776 transitions. [2019-09-08 11:50:58,893 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:50:58,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2776 transitions. [2019-09-08 11:50:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-08 11:50:58,894 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:58,894 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 11:50:58,895 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:58,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:58,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1743128931, now seen corresponding path program 1 times [2019-09-08 11:50:58,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:58,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:58,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:58,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:58,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:59,754 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-08 11:51:00,736 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 11:51:00,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:51:00,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-09-08 11:51:00,739 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-08 11:51:00,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-08 11:51:00,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2019-09-08 11:51:00,740 INFO L87 Difference]: Start difference. First operand 1923 states and 2776 transitions. Second operand 24 states. [2019-09-08 11:51:00,878 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-08 11:51:01,491 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-08 11:51:01,639 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-08 11:51:01,841 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-08 11:51:02,086 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:51:02,359 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-08 11:51:02,705 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:51:04,398 WARN L188 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-08 11:51:04,913 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 120 [2019-09-08 11:51:05,159 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 11:51:05,426 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 11:51:05,659 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 11:51:06,173 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 11:51:06,511 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 11:51:06,818 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-08 11:51:07,173 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-08 11:51:09,222 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-08 11:51:10,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:51:10,139 INFO L93 Difference]: Finished difference Result 9243 states and 13446 transitions. [2019-09-08 11:51:10,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-09-08 11:51:10,139 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 76 [2019-09-08 11:51:10,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:51:10,162 INFO L225 Difference]: With dead ends: 9243 [2019-09-08 11:51:10,162 INFO L226 Difference]: Without dead ends: 8346 [2019-09-08 11:51:10,167 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=513, Invalid=2037, Unknown=0, NotChecked=0, Total=2550 [2019-09-08 11:51:10,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8346 states. [2019-09-08 11:51:10,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8346 to 1948. [2019-09-08 11:51:10,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2019-09-08 11:51:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2807 transitions. [2019-09-08 11:51:10,534 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2807 transitions. Word has length 76 [2019-09-08 11:51:10,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:51:10,535 INFO L475 AbstractCegarLoop]: Abstraction has 1948 states and 2807 transitions. [2019-09-08 11:51:10,535 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-08 11:51:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2807 transitions. [2019-09-08 11:51:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-08 11:51:10,536 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:51:10,536 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:51:10,536 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:51:10,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:51:10,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1066393092, now seen corresponding path program 1 times [2019-09-08 11:51:10,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:51:10,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:51:10,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:10,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:51:10,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:51:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:51:11,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:51:11,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-08 11:51:11,546 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-08 11:51:11,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-08 11:51:11,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-09-08 11:51:11,547 INFO L87 Difference]: Start difference. First operand 1948 states and 2807 transitions. Second operand 19 states. [2019-09-08 11:51:12,069 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-08 11:51:12,274 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 11:51:12,682 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 11:51:13,112 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 11:51:13,279 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-08 11:51:13,653 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-08 11:51:13,960 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-08 11:51:14,134 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-08 11:51:14,380 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-08 11:51:16,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:51:16,508 INFO L93 Difference]: Finished difference Result 10657 states and 15518 transitions. [2019-09-08 11:51:16,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-08 11:51:16,509 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 76 [2019-09-08 11:51:16,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:51:16,529 INFO L225 Difference]: With dead ends: 10657 [2019-09-08 11:51:16,529 INFO L226 Difference]: Without dead ends: 9382 [2019-09-08 11:51:16,534 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2019-09-08 11:51:16,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9382 states. [2019-09-08 11:51:16,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9382 to 1943. [2019-09-08 11:51:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1943 states. [2019-09-08 11:51:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2796 transitions. [2019-09-08 11:51:16,989 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2796 transitions. Word has length 76 [2019-09-08 11:51:16,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:51:16,990 INFO L475 AbstractCegarLoop]: Abstraction has 1943 states and 2796 transitions. [2019-09-08 11:51:16,990 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-08 11:51:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2796 transitions. [2019-09-08 11:51:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-08 11:51:16,991 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:51:16,991 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 11:51:16,991 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:51:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:51:16,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1096969605, now seen corresponding path program 1 times [2019-09-08 11:51:16,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:51:16,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:51:16,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:16,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:51:16,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:51:18,345 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 11:51:18,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:51:18,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-09-08 11:51:18,346 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-08 11:51:18,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-08 11:51:18,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2019-09-08 11:51:18,347 INFO L87 Difference]: Start difference. First operand 1943 states and 2796 transitions. Second operand 22 states. [2019-09-08 11:51:19,307 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-09-08 11:51:19,513 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2019-09-08 11:51:19,816 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2019-09-08 11:51:20,102 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2019-09-08 11:51:20,468 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 85 [2019-09-08 11:51:20,669 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 11:51:20,870 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 11:51:21,154 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-08 11:51:21,355 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-08 11:51:21,582 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-08 11:51:21,943 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-09-08 11:51:22,218 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-09-08 11:51:26,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:51:26,246 INFO L93 Difference]: Finished difference Result 9232 states and 13419 transitions. [2019-09-08 11:51:26,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-09-08 11:51:26,246 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 76 [2019-09-08 11:51:26,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:51:26,265 INFO L225 Difference]: With dead ends: 9232 [2019-09-08 11:51:26,265 INFO L226 Difference]: Without dead ends: 8325 [2019-09-08 11:51:26,271 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=397, Invalid=1409, Unknown=0, NotChecked=0, Total=1806 [2019-09-08 11:51:26,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8325 states. [2019-09-08 11:51:26,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8325 to 1948. [2019-09-08 11:51:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2019-09-08 11:51:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2801 transitions. [2019-09-08 11:51:26,955 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2801 transitions. Word has length 76 [2019-09-08 11:51:26,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:51:26,955 INFO L475 AbstractCegarLoop]: Abstraction has 1948 states and 2801 transitions. [2019-09-08 11:51:26,955 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-08 11:51:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2801 transitions. [2019-09-08 11:51:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-08 11:51:26,956 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:51:26,957 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] [2019-09-08 11:51:26,957 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:51:26,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:51:26,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1433675777, now seen corresponding path program 1 times [2019-09-08 11:51:26,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:51:26,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:51:26,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:26,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:51:26,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:51:27,534 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 11:51:27,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:51:27,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:51:27,536 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:51:27,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:51:27,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:51:27,537 INFO L87 Difference]: Start difference. First operand 1948 states and 2801 transitions. Second operand 13 states. [2019-09-08 11:51:28,107 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2019-09-08 11:51:28,334 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2019-09-08 11:51:28,524 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-09-08 11:51:28,663 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-08 11:51:28,957 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2019-09-08 11:51:29,233 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-09-08 11:51:31,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:51:31,019 INFO L93 Difference]: Finished difference Result 8661 states and 12596 transitions. [2019-09-08 11:51:31,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:51:31,019 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 77 [2019-09-08 11:51:31,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:51:31,032 INFO L225 Difference]: With dead ends: 8661 [2019-09-08 11:51:31,032 INFO L226 Difference]: Without dead ends: 7381 [2019-09-08 11:51:31,036 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2019-09-08 11:51:31,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2019-09-08 11:51:31,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 1925. [2019-09-08 11:51:31,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1925 states. [2019-09-08 11:51:31,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2771 transitions. [2019-09-08 11:51:31,590 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2771 transitions. Word has length 77 [2019-09-08 11:51:31,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:51:31,590 INFO L475 AbstractCegarLoop]: Abstraction has 1925 states and 2771 transitions. [2019-09-08 11:51:31,591 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:51:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2771 transitions. [2019-09-08 11:51:31,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-08 11:51:31,591 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:51:31,591 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] [2019-09-08 11:51:31,592 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:51:31,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:51:31,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1127829965, now seen corresponding path program 1 times [2019-09-08 11:51:31,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:51:31,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:51:31,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:31,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:51:31,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:51:31,655 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 11:51:31,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:51:31,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 11:51:31,656 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 11:51:31,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 11:51:31,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 11:51:31,657 INFO L87 Difference]: Start difference. First operand 1925 states and 2771 transitions. Second operand 4 states. [2019-09-08 11:51:32,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:51:32,513 INFO L93 Difference]: Finished difference Result 4581 states and 6653 transitions. [2019-09-08 11:51:32,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 11:51:32,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2019-09-08 11:51:32,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:51:32,518 INFO L225 Difference]: With dead ends: 4581 [2019-09-08 11:51:32,519 INFO L226 Difference]: Without dead ends: 2781 [2019-09-08 11:51:32,522 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 11:51:32,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2019-09-08 11:51:33,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2779. [2019-09-08 11:51:33,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2019-09-08 11:51:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3997 transitions. [2019-09-08 11:51:33,264 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3997 transitions. Word has length 77 [2019-09-08 11:51:33,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:51:33,264 INFO L475 AbstractCegarLoop]: Abstraction has 2779 states and 3997 transitions. [2019-09-08 11:51:33,264 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 11:51:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3997 transitions. [2019-09-08 11:51:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-08 11:51:33,265 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:51:33,265 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] [2019-09-08 11:51:33,265 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:51:33,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:51:33,266 INFO L82 PathProgramCache]: Analyzing trace with hash -351296585, now seen corresponding path program 1 times [2019-09-08 11:51:33,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:51:33,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:51:33,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:33,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:51:33,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:51:33,342 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 11:51:33,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:51:33,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:51:33,343 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:51:33,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:51:33,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:51:33,343 INFO L87 Difference]: Start difference. First operand 2779 states and 3997 transitions. Second operand 5 states. [2019-09-08 11:51:34,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:51:34,437 INFO L93 Difference]: Finished difference Result 4276 states and 6157 transitions. [2019-09-08 11:51:34,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:51:34,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-09-08 11:51:34,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:51:34,444 INFO L225 Difference]: With dead ends: 4276 [2019-09-08 11:51:34,444 INFO L226 Difference]: Without dead ends: 4274 [2019-09-08 11:51:34,446 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:51:34,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2019-09-08 11:51:35,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 2799. [2019-09-08 11:51:35,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2799 states. [2019-09-08 11:51:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 4001 transitions. [2019-09-08 11:51:35,690 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 4001 transitions. Word has length 77 [2019-09-08 11:51:35,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:51:35,691 INFO L475 AbstractCegarLoop]: Abstraction has 2799 states and 4001 transitions. [2019-09-08 11:51:35,691 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:51:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 4001 transitions. [2019-09-08 11:51:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-08 11:51:35,693 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:51:35,693 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] [2019-09-08 11:51:35,693 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:51:35,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:51:35,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1786573686, now seen corresponding path program 1 times [2019-09-08 11:51:35,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:51:35,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:51:35,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:35,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:51:35,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:51:36,500 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-08 11:51:37,199 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 11:51:37,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:51:37,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-09-08 11:51:37,200 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-08 11:51:37,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-08 11:51:37,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2019-09-08 11:51:37,201 INFO L87 Difference]: Start difference. First operand 2799 states and 4001 transitions. Second operand 24 states. [2019-09-08 11:51:37,345 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-08 11:51:37,863 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-08 11:51:38,009 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-08 11:51:38,238 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-09-08 11:51:38,429 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-08 11:51:38,626 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 11:51:38,946 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-08 11:51:39,313 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-09-08 11:51:39,768 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-08 11:51:39,984 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 11:51:40,203 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 11:51:40,351 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-08 11:51:40,582 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 11:51:40,724 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-08 11:51:40,990 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 11:51:41,140 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-08 11:51:41,417 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:51:42,068 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2019-09-08 11:51:42,283 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 11:51:42,727 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-08 11:51:45,338 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2019-09-08 11:51:51,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:51:51,380 INFO L93 Difference]: Finished difference Result 27585 states and 39799 transitions. [2019-09-08 11:51:51,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-09-08 11:51:51,382 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 77 [2019-09-08 11:51:51,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:51:51,407 INFO L225 Difference]: With dead ends: 27585 [2019-09-08 11:51:51,407 INFO L226 Difference]: Without dead ends: 25801 [2019-09-08 11:51:51,416 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=545, Invalid=2211, Unknown=0, NotChecked=0, Total=2756 [2019-09-08 11:51:51,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25801 states. [2019-09-08 11:51:52,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25801 to 2814. [2019-09-08 11:51:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2019-09-08 11:51:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 4020 transitions. [2019-09-08 11:51:52,396 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 4020 transitions. Word has length 77 [2019-09-08 11:51:52,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:51:52,396 INFO L475 AbstractCegarLoop]: Abstraction has 2814 states and 4020 transitions. [2019-09-08 11:51:52,396 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-08 11:51:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 4020 transitions. [2019-09-08 11:51:52,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-08 11:51:52,397 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:51:52,397 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] [2019-09-08 11:51:52,398 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:51:52,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:51:52,398 INFO L82 PathProgramCache]: Analyzing trace with hash 2077956004, now seen corresponding path program 1 times [2019-09-08 11:51:52,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:51:52,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:51:52,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:52,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:51:52,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:51:52,898 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 11:51:52,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:51:52,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:51:52,898 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:51:52,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:51:52,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:51:52,899 INFO L87 Difference]: Start difference. First operand 2814 states and 4020 transitions. Second operand 13 states. [2019-09-08 11:51:53,332 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2019-09-08 11:51:53,501 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-08 11:51:53,680 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-08 11:51:53,814 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2019-09-08 11:51:54,095 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-09-08 11:51:54,370 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2019-09-08 11:51:57,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:51:57,670 INFO L93 Difference]: Finished difference Result 12125 states and 17458 transitions. [2019-09-08 11:51:57,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:51:57,670 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 77 [2019-09-08 11:51:57,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:51:57,680 INFO L225 Difference]: With dead ends: 12125 [2019-09-08 11:51:57,680 INFO L226 Difference]: Without dead ends: 10863 [2019-09-08 11:51:57,683 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2019-09-08 11:51:57,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10863 states. [2019-09-08 11:51:58,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10863 to 2791. [2019-09-08 11:51:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2791 states. [2019-09-08 11:51:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3990 transitions. [2019-09-08 11:51:58,659 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3990 transitions. Word has length 77 [2019-09-08 11:51:58,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:51:58,659 INFO L475 AbstractCegarLoop]: Abstraction has 2791 states and 3990 transitions. [2019-09-08 11:51:58,660 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:51:58,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3990 transitions. [2019-09-08 11:51:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-08 11:51:58,660 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:51:58,660 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] [2019-09-08 11:51:58,661 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:51:58,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:51:58,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1920475231, now seen corresponding path program 1 times [2019-09-08 11:51:58,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:51:58,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:51:58,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:58,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:51:58,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:51:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:51:59,120 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 11:51:59,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:51:59,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:51:59,121 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:51:59,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:51:59,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:51:59,122 INFO L87 Difference]: Start difference. First operand 2791 states and 3990 transitions. Second operand 13 states. [2019-09-08 11:51:59,600 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2019-09-08 11:51:59,824 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-08 11:52:00,054 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-08 11:52:00,424 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2019-09-08 11:52:00,709 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-09-08 11:52:04,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:52:04,305 INFO L93 Difference]: Finished difference Result 12614 states and 18170 transitions. [2019-09-08 11:52:04,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:52:04,306 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 77 [2019-09-08 11:52:04,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:52:04,315 INFO L225 Difference]: With dead ends: 12614 [2019-09-08 11:52:04,315 INFO L226 Difference]: Without dead ends: 10830 [2019-09-08 11:52:04,322 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2019-09-08 11:52:04,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10830 states. [2019-09-08 11:52:05,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10830 to 2769. [2019-09-08 11:52:05,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2019-09-08 11:52:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3962 transitions. [2019-09-08 11:52:05,309 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3962 transitions. Word has length 77 [2019-09-08 11:52:05,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:52:05,309 INFO L475 AbstractCegarLoop]: Abstraction has 2769 states and 3962 transitions. [2019-09-08 11:52:05,309 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:52:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3962 transitions. [2019-09-08 11:52:05,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:52:05,309 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:52:05,310 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 11:52:05,310 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:52:05,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:52:05,310 INFO L82 PathProgramCache]: Analyzing trace with hash -692602443, now seen corresponding path program 1 times [2019-09-08 11:52:05,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:52:05,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:52:05,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:05,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:52:05,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:52:06,553 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2019-09-08 11:52:07,057 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 11:52:07,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:52:07,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-09-08 11:52:07,057 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-08 11:52:07,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-08 11:52:07,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:52:07,058 INFO L87 Difference]: Start difference. First operand 2769 states and 3962 transitions. Second operand 26 states. [2019-09-08 11:52:08,158 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2019-09-08 11:52:08,318 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2019-09-08 11:52:08,560 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-08 11:52:08,852 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2019-09-08 11:52:09,172 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2019-09-08 11:52:09,790 WARN L188 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 102 [2019-09-08 11:52:09,991 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-09-08 11:52:10,194 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-09-08 11:52:10,363 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-08 11:52:10,541 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-09-08 11:52:10,742 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2019-09-08 11:52:10,963 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-08 11:52:11,269 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-08 11:52:11,438 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-08 11:52:11,852 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-08 11:52:29,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:52:29,641 INFO L93 Difference]: Finished difference Result 35115 states and 50663 transitions. [2019-09-08 11:52:29,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-09-08 11:52:29,642 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 78 [2019-09-08 11:52:29,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:52:29,676 INFO L225 Difference]: With dead ends: 35115 [2019-09-08 11:52:29,677 INFO L226 Difference]: Without dead ends: 33785 [2019-09-08 11:52:29,688 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=617, Invalid=2575, Unknown=0, NotChecked=0, Total=3192 [2019-09-08 11:52:29,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33785 states. [2019-09-08 11:52:30,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33785 to 2773. [2019-09-08 11:52:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2773 states. [2019-09-08 11:52:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3966 transitions. [2019-09-08 11:52:30,981 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3966 transitions. Word has length 78 [2019-09-08 11:52:30,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:52:30,982 INFO L475 AbstractCegarLoop]: Abstraction has 2773 states and 3966 transitions. [2019-09-08 11:52:30,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-09-08 11:52:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3966 transitions. [2019-09-08 11:52:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:52:30,982 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:52:30,982 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 11:52:30,983 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:52:30,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:52:30,983 INFO L82 PathProgramCache]: Analyzing trace with hash -911326508, now seen corresponding path program 1 times [2019-09-08 11:52:30,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:52:30,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:52:30,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:30,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:52:30,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:52:31,466 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2019-09-08 11:52:31,885 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 11:52:31,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:52:31,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:52:31,886 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:52:31,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:52:31,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:52:31,887 INFO L87 Difference]: Start difference. First operand 2773 states and 3966 transitions. Second operand 16 states. [2019-09-08 11:52:32,396 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2019-09-08 11:52:32,551 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2019-09-08 11:52:32,760 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2019-09-08 11:52:32,918 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2019-09-08 11:52:33,076 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2019-09-08 11:52:33,295 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-08 11:52:33,445 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-08 11:52:33,613 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-08 11:52:37,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:52:37,675 INFO L93 Difference]: Finished difference Result 9122 states and 13130 transitions. [2019-09-08 11:52:37,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 11:52:37,676 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 78 [2019-09-08 11:52:37,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:52:37,683 INFO L225 Difference]: With dead ends: 9122 [2019-09-08 11:52:37,683 INFO L226 Difference]: Without dead ends: 7781 [2019-09-08 11:52:37,687 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2019-09-08 11:52:37,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7781 states. [2019-09-08 11:52:38,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7781 to 2769. [2019-09-08 11:52:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2019-09-08 11:52:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3961 transitions. [2019-09-08 11:52:38,750 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3961 transitions. Word has length 78 [2019-09-08 11:52:38,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:52:38,751 INFO L475 AbstractCegarLoop]: Abstraction has 2769 states and 3961 transitions. [2019-09-08 11:52:38,751 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:52:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3961 transitions. [2019-09-08 11:52:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:52:38,751 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:52:38,751 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 11:52:38,751 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:52:38,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:52:38,752 INFO L82 PathProgramCache]: Analyzing trace with hash -249763912, now seen corresponding path program 1 times [2019-09-08 11:52:38,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:52:38,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:52:38,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:38,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:52:38,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:52:40,040 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2019-09-08 11:52:40,632 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 11:52:40,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:52:40,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-09-08 11:52:40,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-08 11:52:40,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-08 11:52:40,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2019-09-08 11:52:40,633 INFO L87 Difference]: Start difference. First operand 2769 states and 3961 transitions. Second operand 24 states. [2019-09-08 11:52:40,906 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-09-08 11:52:41,226 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-08 11:52:41,374 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-08 11:52:41,516 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2019-09-08 11:52:41,735 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-08 11:52:42,035 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-08 11:52:42,331 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-09-08 11:52:42,699 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-09-08 11:52:43,026 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-08 11:52:43,407 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-09-08 11:52:43,796 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-08 11:52:44,339 WARN L188 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-08 11:52:44,733 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:52:45,124 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:52:45,603 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 11:52:46,037 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:52:46,411 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-08 11:52:46,650 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-09-08 11:52:46,993 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 11:52:47,381 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 11:52:47,779 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 11:52:48,061 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-08 11:52:48,461 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-08 11:52:48,711 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2019-09-08 11:52:59,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:52:59,328 INFO L93 Difference]: Finished difference Result 22565 states and 32489 transitions. [2019-09-08 11:52:59,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-09-08 11:52:59,329 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 79 [2019-09-08 11:52:59,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:52:59,350 INFO L225 Difference]: With dead ends: 22565 [2019-09-08 11:52:59,350 INFO L226 Difference]: Without dead ends: 21228 [2019-09-08 11:52:59,356 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=502, Invalid=2048, Unknown=0, NotChecked=0, Total=2550 [2019-09-08 11:52:59,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21228 states. [2019-09-08 11:53:00,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21228 to 2763. [2019-09-08 11:53:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2763 states. [2019-09-08 11:53:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3953 transitions. [2019-09-08 11:53:00,659 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3953 transitions. Word has length 79 [2019-09-08 11:53:00,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:53:00,659 INFO L475 AbstractCegarLoop]: Abstraction has 2763 states and 3953 transitions. [2019-09-08 11:53:00,659 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-08 11:53:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3953 transitions. [2019-09-08 11:53:00,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:53:00,660 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:53:00,660 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 11:53:00,660 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:53:00,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:53:00,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1474787241, now seen corresponding path program 1 times [2019-09-08 11:53:00,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:53:00,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:53:00,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:00,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:53:00,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:53:01,149 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 11:53:01,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:53:01,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:53:01,150 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:53:01,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:53:01,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:53:01,151 INFO L87 Difference]: Start difference. First operand 2763 states and 3953 transitions. Second operand 10 states. [2019-09-08 11:53:05,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:53:05,305 INFO L93 Difference]: Finished difference Result 9233 states and 13280 transitions. [2019-09-08 11:53:05,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:53:05,306 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2019-09-08 11:53:05,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:53:05,314 INFO L225 Difference]: With dead ends: 9233 [2019-09-08 11:53:05,314 INFO L226 Difference]: Without dead ends: 7889 [2019-09-08 11:53:05,318 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:53:05,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7889 states. [2019-09-08 11:53:06,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7889 to 2663. [2019-09-08 11:53:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2663 states. [2019-09-08 11:53:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3814 transitions. [2019-09-08 11:53:06,539 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3814 transitions. Word has length 79 [2019-09-08 11:53:06,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:53:06,539 INFO L475 AbstractCegarLoop]: Abstraction has 2663 states and 3814 transitions. [2019-09-08 11:53:06,539 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:53:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3814 transitions. [2019-09-08 11:53:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-08 11:53:06,540 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:53:06,541 INFO L399 BasicCegarLoop]: trace histogram [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 11:53:06,541 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:53:06,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:53:06,541 INFO L82 PathProgramCache]: Analyzing trace with hash -252969834, now seen corresponding path program 1 times [2019-09-08 11:53:06,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:53:06,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:53:06,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:06,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:53:06,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:53:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:53:06,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:53:06,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:53:06,592 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:53:06,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:53:06,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:53:06,593 INFO L87 Difference]: Start difference. First operand 2663 states and 3814 transitions. Second operand 3 states. [2019-09-08 11:53:09,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:53:09,027 INFO L93 Difference]: Finished difference Result 7609 states and 10880 transitions. [2019-09-08 11:53:09,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:53:09,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-09-08 11:53:09,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:53:09,032 INFO L225 Difference]: With dead ends: 7609 [2019-09-08 11:53:09,032 INFO L226 Difference]: Without dead ends: 5020 [2019-09-08 11:53:09,034 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 11:53:09,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2019-09-08 11:53:11,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 4786. [2019-09-08 11:53:11,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4786 states. [2019-09-08 11:53:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4786 states and 6795 transitions. [2019-09-08 11:53:11,147 INFO L78 Accepts]: Start accepts. Automaton has 4786 states and 6795 transitions. Word has length 101 [2019-09-08 11:53:11,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:53:11,148 INFO L475 AbstractCegarLoop]: Abstraction has 4786 states and 6795 transitions. [2019-09-08 11:53:11,148 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:53:11,148 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 6795 transitions. [2019-09-08 11:53:11,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-08 11:53:11,149 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:53:11,149 INFO L399 BasicCegarLoop]: trace histogram [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, 1] [2019-09-08 11:53:11,149 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:53:11,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:53:11,150 INFO L82 PathProgramCache]: Analyzing trace with hash -428606195, now seen corresponding path program 1 times [2019-09-08 11:53:11,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:53:11,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:53:11,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:11,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:53:11,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:53:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:53:11,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:53:11,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:53:11,198 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:53:11,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:53:11,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:53:11,198 INFO L87 Difference]: Start difference. First operand 4786 states and 6795 transitions. Second operand 3 states. [2019-09-08 11:53:15,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:53:15,522 INFO L93 Difference]: Finished difference Result 13746 states and 19417 transitions. [2019-09-08 11:53:15,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:53:15,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-09-08 11:53:15,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:53:15,530 INFO L225 Difference]: With dead ends: 13746 [2019-09-08 11:53:15,530 INFO L226 Difference]: Without dead ends: 9034 [2019-09-08 11:53:15,536 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 11:53:15,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9034 states. [2019-09-08 11:53:19,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9034 to 8626. [2019-09-08 11:53:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8626 states. [2019-09-08 11:53:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8626 states to 8626 states and 12061 transitions. [2019-09-08 11:53:19,516 INFO L78 Accepts]: Start accepts. Automaton has 8626 states and 12061 transitions. Word has length 102 [2019-09-08 11:53:19,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:53:19,517 INFO L475 AbstractCegarLoop]: Abstraction has 8626 states and 12061 transitions. [2019-09-08 11:53:19,517 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:53:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 8626 states and 12061 transitions. [2019-09-08 11:53:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-08 11:53:19,518 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:53:19,518 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-09-08 11:53:19,518 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:53:19,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:53:19,519 INFO L82 PathProgramCache]: Analyzing trace with hash 483129747, now seen corresponding path program 1 times [2019-09-08 11:53:19,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:53:19,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:53:19,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:19,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:53:19,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:53:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:53:19,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:53:19,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:53:19,563 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:53:19,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:53:19,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:53:19,564 INFO L87 Difference]: Start difference. First operand 8626 states and 12061 transitions. Second operand 3 states. [2019-09-08 11:53:25,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:53:25,184 INFO L93 Difference]: Finished difference Result 18284 states and 25625 transitions. [2019-09-08 11:53:25,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:53:25,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-08 11:53:25,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:53:25,195 INFO L225 Difference]: With dead ends: 18284 [2019-09-08 11:53:25,195 INFO L226 Difference]: Without dead ends: 12250 [2019-09-08 11:53:25,201 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 11:53:25,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12250 states. [2019-09-08 11:53:30,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12250 to 11632. [2019-09-08 11:53:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11632 states. [2019-09-08 11:53:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11632 states to 11632 states and 16179 transitions. [2019-09-08 11:53:30,393 INFO L78 Accepts]: Start accepts. Automaton has 11632 states and 16179 transitions. Word has length 103 [2019-09-08 11:53:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:53:30,394 INFO L475 AbstractCegarLoop]: Abstraction has 11632 states and 16179 transitions. [2019-09-08 11:53:30,394 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:53:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 11632 states and 16179 transitions. [2019-09-08 11:53:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 11:53:30,394 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:53:30,395 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-09-08 11:53:30,395 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:53:30,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:53:30,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1819853196, now seen corresponding path program 1 times [2019-09-08 11:53:30,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:53:30,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:53:30,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:30,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:53:30,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:53:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:53:30,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:53:30,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:53:30,446 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:53:30,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:53:30,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:53:30,446 INFO L87 Difference]: Start difference. First operand 11632 states and 16179 transitions. Second operand 5 states. [2019-09-08 11:53:43,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:53:43,107 INFO L93 Difference]: Finished difference Result 37882 states and 52281 transitions. [2019-09-08 11:53:43,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:53:43,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2019-09-08 11:53:43,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:53:43,130 INFO L225 Difference]: With dead ends: 37882 [2019-09-08 11:53:43,130 INFO L226 Difference]: Without dead ends: 26342 [2019-09-08 11:53:43,142 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:53:43,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26342 states. [2019-09-08 11:53:48,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26342 to 12324. [2019-09-08 11:53:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12324 states. [2019-09-08 11:53:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12324 states to 12324 states and 16793 transitions. [2019-09-08 11:53:48,710 INFO L78 Accepts]: Start accepts. Automaton has 12324 states and 16793 transitions. Word has length 105 [2019-09-08 11:53:48,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:53:48,710 INFO L475 AbstractCegarLoop]: Abstraction has 12324 states and 16793 transitions. [2019-09-08 11:53:48,710 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:53:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 12324 states and 16793 transitions. [2019-09-08 11:53:48,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 11:53:48,713 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:53:48,713 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:53:48,714 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:53:48,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:53:48,714 INFO L82 PathProgramCache]: Analyzing trace with hash -201476329, now seen corresponding path program 1 times [2019-09-08 11:53:48,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:53:48,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:53:48,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:48,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:53:48,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:53:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:53:48,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:53:48,980 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 11:53:48,996 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 11:53:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:53:49,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 11:53:49,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:53:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 11:53:49,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 11:53:49,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2019-09-08 11:53:49,240 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 11:53:49,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 11:53:49,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:53:49,241 INFO L87 Difference]: Start difference. First operand 12324 states and 16793 transitions. Second operand 14 states. [2019-09-08 11:53:58,824 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-09-08 11:54:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:29,652 INFO L93 Difference]: Finished difference Result 81660 states and 109413 transitions. [2019-09-08 11:54:29,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2019-09-08 11:54:29,653 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 128 [2019-09-08 11:54:29,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:29,867 INFO L225 Difference]: With dead ends: 81660 [2019-09-08 11:54:29,868 INFO L226 Difference]: Without dead ends: 69438 [2019-09-08 11:54:29,903 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1551 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1012, Invalid=4100, Unknown=0, NotChecked=0, Total=5112 [2019-09-08 11:54:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69438 states. [2019-09-08 11:54:52,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69438 to 42505. [2019-09-08 11:54:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42505 states. [2019-09-08 11:54:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42505 states to 42505 states and 56711 transitions. [2019-09-08 11:54:52,092 INFO L78 Accepts]: Start accepts. Automaton has 42505 states and 56711 transitions. Word has length 128 [2019-09-08 11:54:52,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:52,093 INFO L475 AbstractCegarLoop]: Abstraction has 42505 states and 56711 transitions. [2019-09-08 11:54:52,093 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 11:54:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand 42505 states and 56711 transitions. [2019-09-08 11:54:52,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-08 11:54:52,103 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:52,103 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 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, 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 11:54:52,104 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:52,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:52,104 INFO L82 PathProgramCache]: Analyzing trace with hash 992877774, now seen corresponding path program 1 times [2019-09-08 11:54:52,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:52,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:52,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:52,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:52,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:54:52,687 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:54:52,687 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 11:54:52,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:52,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 11:54:52,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:54:53,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:54:53,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:54:53,806 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 11:54:53,819 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:54:53,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 27 [2019-09-08 11:54:53,820 INFO L454 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-09-08 11:54:53,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-09-08 11:54:53,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2019-09-08 11:54:53,821 INFO L87 Difference]: Start difference. First operand 42505 states and 56711 transitions. Second operand 27 states. [2019-09-08 11:54:54,158 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 11:54:54,869 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 11:54:55,354 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-08 11:54:55,566 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-08 11:54:55,784 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:54:56,120 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:54:56,617 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 11:54:57,328 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 11:54:57,820 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:54:58,184 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-08 11:54:58,572 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 11:54:58,895 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:54:59,195 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-08 11:54:59,613 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-08 11:55:00,024 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 11:55:00,456 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:55:01,260 WARN L188 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:55:01,544 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 11:55:01,846 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-08 11:55:02,218 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:55:02,811 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:55:03,083 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 11:55:03,480 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:55:03,870 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:55:04,448 WARN L188 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:55:04,905 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:55:05,266 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:55:05,694 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-08 11:55:05,987 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:55:06,258 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-08 11:55:06,748 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:55:07,123 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:55:07,649 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:55:08,673 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:55:09,252 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-08 11:55:09,596 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-08 11:55:10,184 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-08 11:55:10,613 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-08 11:55:11,119 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-08 11:55:11,496 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-08 11:55:12,067 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-08 11:55:12,503 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-09-08 11:55:12,855 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-09-08 11:55:13,560 WARN L188 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-08 11:55:14,138 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-09-08 11:55:14,476 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:55:14,815 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-08 11:55:15,166 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 11:55:15,466 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:55:15,750 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 11:55:16,096 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:55:16,376 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:55:16,715 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-08 11:55:16,993 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-08 11:55:17,698 WARN L188 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-08 11:55:18,111 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 11:55:18,412 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:55:19,041 WARN L188 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 11:55:19,331 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:55:19,696 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 11:55:20,071 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:55:20,371 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-08 11:55:20,747 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-08 11:55:21,107 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:55:21,470 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:55:21,954 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 11:55:22,439 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:55:22,900 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:55:23,242 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:55:23,880 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-08 11:55:24,471 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2019-09-08 11:55:24,948 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 99 [2019-09-08 11:55:25,327 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 11:55:25,675 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-08 11:55:26,049 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-08 11:55:26,536 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-08 11:55:26,969 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2019-09-08 11:55:27,651 WARN L188 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-08 11:55:28,348 WARN L188 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2019-09-08 11:55:28,900 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-08 11:55:29,461 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-08 11:55:29,867 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-08 11:55:30,304 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 11:55:30,634 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-08 11:55:31,038 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-08 11:55:31,532 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-08 11:55:31,830 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:55:32,289 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 11:55:32,858 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-08 11:55:33,370 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:55:33,818 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 11:55:35,416 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-08 11:55:36,035 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-08 11:55:36,601 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-08 11:55:37,026 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-08 11:55:37,641 WARN L188 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-08 11:55:38,061 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2019-09-08 11:55:38,517 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 11:55:39,056 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:55:39,846 WARN L188 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-08 11:55:40,413 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-08 11:55:40,779 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-08 11:55:41,125 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:55:41,521 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-08 11:55:41,868 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-08 11:55:42,468 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-08 11:55:42,998 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 11:55:43,673 WARN L188 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:55:44,184 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-08 11:55:44,653 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 101 [2019-09-08 11:55:45,214 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-08 11:55:45,846 WARN L188 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-08 11:55:46,737 WARN L188 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 11:55:47,296 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2019-09-08 11:55:47,764 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 11:55:48,332 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2019-09-08 11:55:48,703 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:55:49,165 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-08 11:55:49,574 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-08 11:55:50,142 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 103 [2019-09-08 11:55:50,666 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 101 [2019-09-08 11:55:51,099 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 100 [2019-09-08 11:55:51,643 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-08 11:55:52,104 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 98 [2019-09-08 11:55:52,621 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:55:53,183 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-08 11:55:53,629 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 99 [2019-09-08 11:55:54,058 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-09-08 11:55:54,474 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-08 11:55:54,884 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-08 11:55:55,313 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2019-09-08 11:55:55,717 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-08 11:55:56,141 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-08 11:55:56,640 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-08 11:55:57,077 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2019-09-08 11:55:57,432 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 11:55:58,034 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 11:55:58,568 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-08 11:55:59,031 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:55:59,468 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 11:56:00,260 WARN L188 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2019-09-08 11:56:00,759 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:56:01,200 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-08 11:56:01,771 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-08 11:56:04,379 WARN L188 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 122 DAG size of output: 103 [2019-09-08 11:56:04,845 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 103 [2019-09-08 11:56:05,221 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 11:56:05,639 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-08 11:56:06,045 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 100 [2019-09-08 11:56:06,505 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-09-08 11:56:06,977 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2019-09-08 11:56:07,446 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-08 11:56:08,019 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-08 11:56:08,455 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-08 11:56:09,085 WARN L188 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-08 11:56:09,442 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:56:09,903 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2019-09-08 11:56:10,420 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-08 11:56:10,797 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-08 11:56:11,241 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-08 11:56:11,784 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-08 11:56:12,170 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-08 11:56:12,844 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-08 11:56:13,286 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2019-09-08 11:56:13,627 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-08 11:56:13,999 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-08 11:56:14,889 WARN L188 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-08 11:56:15,256 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 11:56:15,763 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-08 11:56:16,218 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-08 11:56:16,844 WARN L188 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-08 11:56:17,242 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 11:56:18,059 WARN L188 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-08 11:56:18,657 WARN L188 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:56:19,057 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-08 11:56:19,703 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 100 [2019-09-08 11:56:20,424 WARN L188 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2019-09-08 11:56:20,804 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 11:56:21,385 WARN L188 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-08 11:56:21,807 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 11:56:22,285 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-08 11:56:22,713 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 102 [2019-09-08 11:56:23,068 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:56:23,426 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-09-08 11:56:23,876 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-08 11:56:24,327 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-08 11:56:24,716 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-08 11:56:25,186 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:56:25,583 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-08 11:56:26,090 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 11:56:26,529 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:56:26,974 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-08 11:56:27,453 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2019-09-08 11:56:27,828 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-08 11:56:28,216 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-08 11:56:28,764 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-08 11:56:29,144 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-08 11:56:29,902 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-08 11:56:30,249 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 11:56:30,641 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-08 11:56:31,326 WARN L188 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-08 11:56:31,750 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:56:32,486 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-08 11:56:32,992 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2019-09-08 11:56:33,390 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-08 11:56:33,899 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-08 11:56:34,485 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-08 11:56:34,896 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 11:56:35,254 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2019-09-08 11:56:35,772 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 11:56:36,153 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-08 11:56:38,814 WARN L188 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:56:39,864 WARN L188 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-09-08 11:56:40,476 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-08 11:56:40,851 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-08 11:56:41,336 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-08 11:56:41,758 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-08 11:56:42,086 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:56:42,522 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-08 11:56:43,027 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2019-09-08 11:56:43,577 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-08 11:56:43,930 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-08 11:56:44,460 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-08 11:56:44,931 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-08 11:56:45,259 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-08 11:56:45,679 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:56:46,137 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 11:56:46,585 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-08 11:56:46,934 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:56:47,432 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:56:48,094 WARN L188 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-08 11:56:48,470 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 11:56:49,004 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-08 11:56:49,435 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-08 11:56:49,870 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:56:50,510 WARN L188 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2019-09-08 11:56:50,910 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-09-08 11:56:51,320 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 11:56:51,998 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-08 11:56:52,496 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-08 11:56:52,890 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-08 11:56:53,328 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:56:53,810 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-08 11:56:54,165 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-08 11:56:54,760 WARN L188 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 99 [2019-09-08 11:56:55,159 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-08 11:56:55,543 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-08 11:56:55,935 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-08 11:56:56,505 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2019-09-08 11:56:56,995 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-08 11:56:57,529 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:56:57,921 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:56:58,229 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:56:58,796 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 11:56:59,197 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-08 11:56:59,836 WARN L188 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-08 11:57:00,227 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-08 11:57:00,944 WARN L188 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:57:01,674 WARN L188 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:57:02,063 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-08 11:57:02,392 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:57:02,707 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:57:03,455 WARN L188 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 11:57:03,995 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-08 11:57:04,496 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:57:04,885 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-08 11:57:05,338 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2019-09-08 11:57:05,702 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-09-08 11:57:06,302 WARN L188 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 11:57:06,698 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2019-09-08 11:57:06,978 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:57:07,307 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 11:57:07,859 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2019-09-08 11:57:08,295 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 11:57:08,714 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 102 [2019-09-08 11:57:09,172 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-09-08 11:57:09,883 WARN L188 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 102 [2019-09-08 11:57:10,298 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-08 11:57:10,644 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-08 11:57:11,195 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:57:11,678 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 98 [2019-09-08 11:57:12,133 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2019-09-08 11:57:12,758 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-08 11:57:13,177 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2019-09-08 11:57:13,658 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2019-09-08 11:57:14,179 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-08 11:57:14,658 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-08 11:57:15,176 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 11:57:15,625 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-09-08 11:57:16,005 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2019-09-08 11:57:16,442 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-08 11:57:16,865 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-08 11:57:17,197 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-09-08 11:57:17,670 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:57:18,051 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-08 11:57:18,637 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2019-09-08 11:57:19,027 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-08 11:57:19,443 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2019-09-08 11:57:19,891 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-08 11:57:20,286 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:57:20,615 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:57:21,020 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:57:21,609 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:57:22,023 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:57:22,908 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:57:23,377 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:57:23,761 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-08 11:57:24,187 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2019-09-08 11:57:24,621 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-08 11:57:25,111 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:57:25,595 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-08 11:57:26,106 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:57:26,449 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:57:26,987 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 11:57:27,312 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:57:27,940 WARN L188 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-08 11:57:28,336 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-08 11:57:28,851 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:57:29,207 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:57:29,843 WARN L188 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:57:30,302 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 11:57:31,348 WARN L188 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 11:57:31,961 WARN L188 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-08 11:57:32,438 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:57:32,818 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:57:33,257 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 11:57:33,670 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-08 11:57:34,371 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:57:34,744 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 11:57:35,060 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 11:57:35,678 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 100 [2019-09-08 11:57:36,352 WARN L188 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-09-08 11:57:37,295 WARN L188 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2019-09-08 11:57:38,056 WARN L188 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-08 11:57:38,873 WARN L188 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-08 11:57:39,264 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2019-09-08 11:57:39,688 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-08 11:57:40,197 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-08 11:57:40,629 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:57:41,079 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-08 11:57:41,483 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:57:42,197 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2019-09-08 11:57:42,777 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-08 11:57:43,355 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-08 11:57:43,748 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-08 11:57:44,214 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-08 11:57:44,682 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:57:45,101 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2019-09-08 11:57:45,482 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:57:46,002 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-08 11:57:46,652 WARN L188 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-08 11:57:47,473 WARN L188 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-08 11:57:47,884 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-09-08 11:57:48,712 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-08 11:57:49,144 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 11:57:49,593 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:57:50,007 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-08 11:57:50,485 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:57:50,926 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 91 [2019-09-08 11:57:51,283 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 11:57:51,932 WARN L188 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-08 11:57:52,353 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-08 11:57:52,844 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-08 11:57:53,478 WARN L188 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-08 11:57:53,863 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 11:57:54,327 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2019-09-08 11:57:55,059 WARN L188 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-08 11:57:55,496 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2019-09-08 11:57:55,904 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-08 11:57:56,332 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 11:57:56,903 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:57:57,417 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-08 11:57:58,003 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:57:58,424 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-08 11:57:58,968 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:57:59,363 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-08 11:57:59,897 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:58:00,539 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:58:01,036 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-08 11:58:01,566 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-08 11:58:02,178 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:58:02,744 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 11:58:03,230 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 11:58:03,569 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:58:04,093 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:58:04,621 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 11:58:05,018 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:58:05,594 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 11:58:06,097 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-08 11:58:06,574 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:58:07,095 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-08 11:58:07,675 WARN L188 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:58:08,101 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2019-09-08 11:58:08,494 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:58:09,119 WARN L188 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:58:09,589 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:58:10,038 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-08 11:58:10,937 WARN L188 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-08 11:58:11,410 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-08 11:58:11,728 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 11:58:12,414 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 82 [2019-09-08 11:58:12,689 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2019-09-08 11:58:12,984 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 11:58:13,548 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:58:13,919 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 11:58:16,515 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-08 11:58:16,891 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-08 11:58:17,260 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2019-09-08 11:58:17,885 WARN L188 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:58:18,339 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:58:18,953 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 95 [2019-09-08 11:58:19,359 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2019-09-08 11:58:19,781 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-08 11:58:20,179 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-08 11:58:20,671 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-08 11:58:21,193 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-08 11:58:23,446 WARN L188 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:58:23,866 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:58:24,293 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-08 11:58:24,759 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2019-09-08 11:58:25,327 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 11:58:25,786 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 100 [2019-09-08 11:58:26,435 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:58:27,156 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-08 11:58:27,631 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-08 11:58:27,936 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 11:58:28,258 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:58:28,909 WARN L188 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-08 11:58:29,494 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:58:29,977 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2019-09-08 11:58:30,321 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 11:58:30,700 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 11:58:31,197 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-09-08 11:58:31,773 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2019-09-08 11:58:32,134 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-08 11:58:32,495 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2019-09-08 11:58:33,005 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-08 11:58:33,383 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-08 11:58:33,672 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 11:58:34,087 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2019-09-08 11:58:34,750 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:58:35,446 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-08 11:58:36,278 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 11:58:37,180 WARN L188 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-08 11:58:37,546 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-08 11:58:37,948 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:58:38,353 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2019-09-08 11:58:38,842 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-08 11:58:39,548 WARN L188 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-08 11:58:40,066 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:58:40,551 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 11:58:40,988 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-08 11:58:41,315 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:58:41,894 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:58:42,412 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 11:58:43,498 WARN L188 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 87 [2019-09-08 11:58:43,970 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-08 11:58:44,368 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-08 11:58:44,960 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 11:58:45,482 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2019-09-08 11:58:46,293 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-08 11:58:46,689 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-08 11:58:47,247 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 11:58:47,707 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:58:48,278 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-09-08 11:58:48,646 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-08 11:58:49,034 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-08 11:58:50,532 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-08 11:58:50,920 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:58:51,594 WARN L188 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-08 11:58:53,140 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-08 11:58:54,376 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:59:09,852 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2019-09-08 11:59:10,802 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2019-09-08 11:59:12,165 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-08 11:59:12,889 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:59:13,648 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2019-09-08 11:59:14,435 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 11:59:15,673 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 11:59:16,119 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-08 11:59:16,865 WARN L188 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 103 [2019-09-08 11:59:18,494 WARN L188 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2019-09-08 11:59:18,936 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-08 11:59:19,807 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 103 [2019-09-08 11:59:20,337 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-08 11:59:20,922 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-08 11:59:22,710 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:59:23,141 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:59:23,641 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-09-08 11:59:24,152 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:59:25,018 WARN L188 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-08 11:59:25,681 WARN L188 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-08 11:59:26,272 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-08 11:59:29,049 WARN L188 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2019-09-08 11:59:29,521 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 11:59:30,029 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-08 11:59:30,702 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2019-09-08 11:59:31,074 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-08 11:59:31,732 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-08 11:59:32,127 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-08 11:59:32,839 WARN L188 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-08 11:59:33,456 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-08 11:59:33,907 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 11:59:34,425 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2019-09-08 11:59:35,045 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-08 11:59:35,582 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2019-09-08 11:59:36,269 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2019-09-08 11:59:36,683 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-08 11:59:37,095 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 11:59:37,670 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-08 11:59:38,404 WARN L188 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2019-09-08 11:59:38,790 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:59:39,410 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-08 11:59:39,919 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2019-09-08 11:59:41,200 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-08 11:59:42,211 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 99 [2019-09-08 11:59:42,925 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-08 11:59:43,462 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-08 11:59:45,005 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-08 11:59:45,811 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2019-09-08 11:59:46,337 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-08 11:59:46,775 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 11:59:49,844 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-08 12:00:17,036 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2019-09-08 12:00:17,451 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-08 12:00:18,272 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-08 12:00:18,867 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2019-09-08 12:00:27,090 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 100 [2019-09-08 12:00:27,634 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-08 12:00:28,452 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-08 12:00:28,869 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 12:00:29,730 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-09-08 12:00:30,222 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-08 12:00:30,974 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-08 12:00:32,231 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-08 12:00:32,604 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-08 12:00:33,493 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-08 12:00:34,062 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-08 12:00:34,921 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-08 12:00:36,283 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-08 12:00:37,108 WARN L188 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 12:00:37,919 WARN L188 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-08 12:00:38,601 WARN L188 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 12:00:39,690 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 12:00:42,658 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2019-09-08 12:00:43,427 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-08 12:00:44,695 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-08 12:00:45,521 WARN L188 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-08 12:00:46,401 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-09-08 12:00:46,856 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-08 12:00:47,792 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 12:00:48,881 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-08 12:00:49,351 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-08 12:00:51,333 WARN L188 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-08 12:00:51,987 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 12:00:52,774 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 12:00:53,291 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 12:00:53,900 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-08 12:00:54,609 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-08 12:00:54,999 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 12:00:55,739 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-08 12:00:56,443 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 12:00:57,302 WARN L188 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 12:00:59,074 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 104 [2019-09-08 12:01:00,046 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 100 [2019-09-08 12:01:00,748 WARN L188 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 105 [2019-09-08 12:01:01,741 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-08 12:01:02,219 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-08 12:01:02,869 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-09-08 12:01:03,545 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-08 12:01:04,115 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-08 12:01:04,687 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 12:01:05,570 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 12:01:05,959 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-08 12:01:06,517 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-08 12:01:07,122 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2019-09-08 12:01:07,851 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-08 12:01:08,618 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-08 12:01:09,052 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-08 12:01:10,394 WARN L188 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-08 12:01:10,819 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2019-09-08 12:01:11,502 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-08 12:01:12,429 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 12:01:12,934 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-08 12:01:13,418 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 12:01:13,978 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 12:01:14,424 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-08 12:01:15,537 WARN L188 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-08 12:01:15,969 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 12:01:17,590 WARN L188 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-08 12:01:20,498 WARN L188 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2019-09-08 12:01:21,488 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-08 12:01:22,401 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-08 12:01:22,899 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 102 [2019-09-08 12:01:23,492 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2019-09-08 12:01:24,350 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 100 [2019-09-08 12:01:24,927 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-08 12:01:25,506 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-08 12:01:26,437 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 12:01:26,877 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-08 12:01:27,328 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 12:01:27,774 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-08 12:01:28,200 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-08 12:01:28,816 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 102 [2019-09-08 12:01:29,750 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-08 12:01:30,277 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 103 [2019-09-08 12:01:30,897 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 103 [2019-09-08 12:01:31,594 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2019-09-08 12:01:32,100 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-08 12:01:33,436 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-08 12:01:34,314 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-08 12:01:34,914 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2019-09-08 12:01:35,474 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-09-08 12:01:36,843 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 12:01:37,322 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-08 12:01:37,736 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 12:01:38,341 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 12:01:39,120 WARN L188 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-08 12:01:39,883 WARN L188 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-08 12:01:40,377 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-08 12:01:41,313 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-08 12:01:41,786 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-08 12:01:42,786 WARN L188 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-08 12:01:43,382 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 12:01:44,029 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-08 12:01:48,634 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 104 [2019-09-08 12:01:49,982 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-08 12:01:50,484 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 101 [2019-09-08 12:01:51,945 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-08 12:01:52,409 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-08 12:01:53,013 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-08 12:01:54,725 WARN L188 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2019-09-08 12:01:55,384 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2019-09-08 12:01:56,290 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-08 12:01:58,832 WARN L188 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2019-09-08 12:02:00,418 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 12:02:01,085 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 12:02:01,519 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-08 12:02:02,031 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2019-09-08 12:02:02,783 WARN L188 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-08 12:02:04,165 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-09-08 12:02:05,604 WARN L188 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-08 12:02:06,301 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2019-09-08 12:02:07,000 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2019-09-08 12:02:07,805 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-08 12:02:08,824 WARN L188 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-08 12:02:09,379 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2019-09-08 12:02:14,861 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 103 [2019-09-08 12:02:16,249 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 12:02:16,826 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 98 [2019-09-08 12:02:17,871 WARN L188 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-08 12:02:19,893 WARN L188 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 101 [2019-09-08 12:02:26,757 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2019-09-08 12:02:28,528 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2019-09-08 12:02:29,764 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 104 [2019-09-08 12:02:34,834 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 100 [2019-09-08 12:02:41,369 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 12:02:44,341 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 12:02:44,702 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-08 12:02:45,281 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 12:02:48,246 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 12:02:51,738 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2019-09-08 12:02:55,522 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-08 12:02:55,924 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-08 12:02:56,328 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 12:02:56,767 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-08 12:02:57,154 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 12:02:57,582 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 12:02:57,938 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 12:02:58,514 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-08 12:02:59,089 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-08 12:03:00,524 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-08 12:03:01,019 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-08 12:03:01,960 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 12:03:02,555 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 12:03:02,919 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 12:03:04,260 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 12:03:04,668 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 12:03:05,975 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-08 12:03:06,706 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-08 12:03:08,181 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 12:03:08,520 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 12:03:08,938 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 12:03:09,459 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 12:03:10,179 WARN L188 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 12:03:12,060 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 12:03:12,484 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-08 12:03:17,741 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 12:03:18,362 WARN L188 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-08 12:03:18,770 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 12:03:19,249 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 12:03:19,669 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-09-08 12:03:20,072 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-08 12:03:20,448 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 12:03:20,953 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-08 12:03:22,951 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2019-09-08 12:03:23,345 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-08 12:03:23,692 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-08 12:03:24,175 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 12:03:24,654 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-08 12:03:25,897 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 12:03:26,523 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 12:03:27,716 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 12:03:28,515 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 12:03:29,823 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-08 12:03:32,270 WARN L188 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 12:03:32,684 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-08 12:03:33,349 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 12:03:34,020 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 12:03:35,991 WARN L188 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 12:03:36,382 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 12:03:36,839 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 12:03:37,362 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 12:03:37,770 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 12:03:38,245 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 12:03:38,644 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 12:03:39,262 WARN L188 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 12:03:39,608 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 12:03:40,051 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 12:03:40,610 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-08 12:03:41,000 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 12:03:42,042 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-08 12:03:42,575 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-08 12:03:44,415 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 12:03:44,717 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 12:03:50,691 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-09-08 12:03:51,941 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-08 12:03:52,477 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-08 12:03:53,246 WARN L188 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-08 12:03:53,991 WARN L188 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-08 12:03:54,463 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-08 12:03:56,840 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-08 12:03:57,226 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-08 12:03:57,731 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-08 12:03:59,034 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-08 12:04:00,324 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 12:04:01,824 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 12:04:02,416 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 12:04:02,842 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 12:04:04,741 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 12:04:05,229 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 12:04:05,913 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 12:04:06,483 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:04:06,903 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-08 12:04:07,262 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 12:04:07,692 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 12:04:08,115 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 12:04:09,027 WARN L188 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 12:04:10,045 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-08 12:04:10,500 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 12:04:10,915 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 12:04:11,322 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 12:04:11,907 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-08 12:04:20,828 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88