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/pals_lcr.4.1.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 07:49:49,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 07:49:49,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 07:49:49,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 07:49:49,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 07:49:49,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 07:49:49,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 07:49:49,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 07:49:49,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 07:49:49,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 07:49:49,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 07:49:49,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 07:49:49,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 07:49:49,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 07:49:49,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 07:49:49,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 07:49:49,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 07:49:49,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 07:49:49,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 07:49:49,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 07:49:49,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 07:49:49,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 07:49:49,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 07:49:49,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 07:49:49,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 07:49:49,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 07:49:49,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 07:49:49,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 07:49:49,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 07:49:49,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 07:49:49,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 07:49:49,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 07:49:49,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 07:49:49,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 07:49:49,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 07:49:49,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 07:49:49,160 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 07:49:49,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 07:49:49,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 07:49:49,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 07:49:49,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 07:49:49,177 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 07:49:49,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 07:49:49,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 07:49:49,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 07:49:49,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 07:49:49,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 07:49:49,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 07:49:49,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 07:49:49,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 07:49:49,178 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 07:49:49,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 07:49:49,179 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 07:49:49,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 07:49:49,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 07:49:49,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 07:49:49,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 07:49:49,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 07:49:49,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 07:49:49,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 07:49:49,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 07:49:49,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 07:49:49,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 07:49:49,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 07:49:49,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 07:49:49,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 07:49:49,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 07:49:49,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 07:49:49,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 07:49:49,228 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 07:49:49,228 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 07:49:49,229 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2019-09-08 07:49:49,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e7c130cf/7e025d6acb884e8190bf62dd0090722b/FLAG7d9722481 [2019-09-08 07:49:49,828 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 07:49:49,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2019-09-08 07:49:49,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e7c130cf/7e025d6acb884e8190bf62dd0090722b/FLAG7d9722481 [2019-09-08 07:49:50,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e7c130cf/7e025d6acb884e8190bf62dd0090722b [2019-09-08 07:49:50,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 07:49:50,116 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 07:49:50,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 07:49:50,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 07:49:50,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 07:49:50,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 07:49:50" (1/1) ... [2019-09-08 07:49:50,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc4fb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50, skipping insertion in model container [2019-09-08 07:49:50,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 07:49:50" (1/1) ... [2019-09-08 07:49:50,135 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 07:49:50,187 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 07:49:50,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 07:49:50,506 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 07:49:50,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 07:49:50,580 INFO L192 MainTranslator]: Completed translation [2019-09-08 07:49:50,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50 WrapperNode [2019-09-08 07:49:50,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 07:49:50,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 07:49:50,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 07:49:50,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 07:49:50,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50" (1/1) ... [2019-09-08 07:49:50,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50" (1/1) ... [2019-09-08 07:49:50,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50" (1/1) ... [2019-09-08 07:49:50,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50" (1/1) ... [2019-09-08 07:49:50,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50" (1/1) ... [2019-09-08 07:49:50,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50" (1/1) ... [2019-09-08 07:49:50,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50" (1/1) ... [2019-09-08 07:49:50,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 07:49:50,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 07:49:50,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 07:49:50,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 07:49:50,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50" (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 07:49:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 07:49:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 07:49:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-08 07:49:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-08 07:49:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-08 07:49:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-08 07:49:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-08 07:49:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-08 07:49:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 07:49:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-08 07:49:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 07:49:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 07:49:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 07:49:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 07:49:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 07:49:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 07:49:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 07:49:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 07:49:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 07:49:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 07:49:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-08 07:49:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 07:49:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 07:49:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 07:49:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 07:49:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 07:49:51,276 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 07:49:51,277 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 07:49:51,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 07:49:51 BoogieIcfgContainer [2019-09-08 07:49:51,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 07:49:51,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 07:49:51,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 07:49:51,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 07:49:51,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 07:49:50" (1/3) ... [2019-09-08 07:49:51,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bb713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 07:49:51, skipping insertion in model container [2019-09-08 07:49:51,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:49:50" (2/3) ... [2019-09-08 07:49:51,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bb713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 07:49:51, skipping insertion in model container [2019-09-08 07:49:51,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 07:49:51" (3/3) ... [2019-09-08 07:49:51,290 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2019-09-08 07:49:51,302 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 07:49:51,311 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 07:49:51,327 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 07:49:51,360 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 07:49:51,360 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 07:49:51,360 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 07:49:51,361 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 07:49:51,361 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 07:49:51,361 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 07:49:51,361 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 07:49:51,361 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 07:49:51,362 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 07:49:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-09-08 07:49:51,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 07:49:51,390 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:49:51,391 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] [2019-09-08 07:49:51,394 INFO L418 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:49:51,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:49:51,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2014503021, now seen corresponding path program 1 times [2019-09-08 07:49:51,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:49:51,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:49:51,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:51,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:49:51,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:49:51,795 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 07:49:51,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:49:51,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 07:49:51,806 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 07:49:51,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 07:49:51,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 07:49:51,825 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 5 states. [2019-09-08 07:49:52,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:49:52,008 INFO L93 Difference]: Finished difference Result 179 states and 257 transitions. [2019-09-08 07:49:52,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 07:49:52,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-09-08 07:49:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:49:52,023 INFO L225 Difference]: With dead ends: 179 [2019-09-08 07:49:52,023 INFO L226 Difference]: Without dead ends: 100 [2019-09-08 07:49:52,028 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 07:49:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-09-08 07:49:52,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-09-08 07:49:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-08 07:49:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 125 transitions. [2019-09-08 07:49:52,087 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 125 transitions. Word has length 54 [2019-09-08 07:49:52,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:49:52,087 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 125 transitions. [2019-09-08 07:49:52,087 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 07:49:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 125 transitions. [2019-09-08 07:49:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-08 07:49:52,091 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:49:52,091 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 07:49:52,092 INFO L418 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:49:52,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:49:52,092 INFO L82 PathProgramCache]: Analyzing trace with hash -193101352, now seen corresponding path program 1 times [2019-09-08 07:49:52,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:49:52,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:49:52,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:52,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:49:52,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:49:52,493 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 07:49:52,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:49:52,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 07:49:52,497 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 07:49:52,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 07:49:52,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-09-08 07:49:52,498 INFO L87 Difference]: Start difference. First operand 100 states and 125 transitions. Second operand 11 states. [2019-09-08 07:49:55,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:49:55,268 INFO L93 Difference]: Finished difference Result 754 states and 1075 transitions. [2019-09-08 07:49:55,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-09-08 07:49:55,268 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2019-09-08 07:49:55,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:49:55,281 INFO L225 Difference]: With dead ends: 754 [2019-09-08 07:49:55,281 INFO L226 Difference]: Without dead ends: 689 [2019-09-08 07:49:55,284 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=355, Invalid=1051, Unknown=0, NotChecked=0, Total=1406 [2019-09-08 07:49:55,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2019-09-08 07:49:55,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 492. [2019-09-08 07:49:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2019-09-08 07:49:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 686 transitions. [2019-09-08 07:49:55,418 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 686 transitions. Word has length 76 [2019-09-08 07:49:55,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:49:55,418 INFO L475 AbstractCegarLoop]: Abstraction has 492 states and 686 transitions. [2019-09-08 07:49:55,418 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 07:49:55,419 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 686 transitions. [2019-09-08 07:49:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 07:49:55,423 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:49:55,423 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 07:49:55,423 INFO L418 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:49:55,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:49:55,424 INFO L82 PathProgramCache]: Analyzing trace with hash -992152536, now seen corresponding path program 1 times [2019-09-08 07:49:55,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:49:55,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:49:55,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:55,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:49:55,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:49:55,512 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 07:49:55,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:49:55,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 07:49:55,513 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 07:49:55,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 07:49:55,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 07:49:55,515 INFO L87 Difference]: Start difference. First operand 492 states and 686 transitions. Second operand 3 states. [2019-09-08 07:49:55,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:49:55,585 INFO L93 Difference]: Finished difference Result 1362 states and 1938 transitions. [2019-09-08 07:49:55,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 07:49:55,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-09-08 07:49:55,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:49:55,594 INFO L225 Difference]: With dead ends: 1362 [2019-09-08 07:49:55,594 INFO L226 Difference]: Without dead ends: 905 [2019-09-08 07:49:55,598 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 07:49:55,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2019-09-08 07:49:55,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 903. [2019-09-08 07:49:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2019-09-08 07:49:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1261 transitions. [2019-09-08 07:49:55,660 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1261 transitions. Word has length 78 [2019-09-08 07:49:55,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:49:55,660 INFO L475 AbstractCegarLoop]: Abstraction has 903 states and 1261 transitions. [2019-09-08 07:49:55,660 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 07:49:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1261 transitions. [2019-09-08 07:49:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 07:49:55,664 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:49:55,665 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 07:49:55,665 INFO L418 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:49:55,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:49:55,665 INFO L82 PathProgramCache]: Analyzing trace with hash 2015112304, now seen corresponding path program 1 times [2019-09-08 07:49:55,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:49:55,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:49:55,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:55,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:49:55,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:49:55,887 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 07:49:55,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:49:55,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 07:49:55,889 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 07:49:55,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 07:49:55,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 07:49:55,890 INFO L87 Difference]: Start difference. First operand 903 states and 1261 transitions. Second operand 5 states. [2019-09-08 07:49:56,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:49:56,407 INFO L93 Difference]: Finished difference Result 2272 states and 3199 transitions. [2019-09-08 07:49:56,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 07:49:56,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-09-08 07:49:56,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:49:56,422 INFO L225 Difference]: With dead ends: 2272 [2019-09-08 07:49:56,423 INFO L226 Difference]: Without dead ends: 1404 [2019-09-08 07:49:56,427 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-08 07:49:56,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2019-09-08 07:49:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1402. [2019-09-08 07:49:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1402 states. [2019-09-08 07:49:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1933 transitions. [2019-09-08 07:49:56,571 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1933 transitions. Word has length 78 [2019-09-08 07:49:56,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:49:56,572 INFO L475 AbstractCegarLoop]: Abstraction has 1402 states and 1933 transitions. [2019-09-08 07:49:56,572 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 07:49:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1933 transitions. [2019-09-08 07:49:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 07:49:56,574 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:49:56,574 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 07:49:56,575 INFO L418 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:49:56,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:49:56,575 INFO L82 PathProgramCache]: Analyzing trace with hash 828457530, now seen corresponding path program 1 times [2019-09-08 07:49:56,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:49:56,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:49:56,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:56,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:49:56,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:49:56,742 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 07:49:56,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:49:56,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 07:49:56,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 07:49:56,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 07:49:56,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 07:49:56,744 INFO L87 Difference]: Start difference. First operand 1402 states and 1933 transitions. Second operand 5 states. [2019-09-08 07:49:57,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:49:57,275 INFO L93 Difference]: Finished difference Result 3992 states and 5549 transitions. [2019-09-08 07:49:57,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 07:49:57,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-09-08 07:49:57,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:49:57,303 INFO L225 Difference]: With dead ends: 3992 [2019-09-08 07:49:57,303 INFO L226 Difference]: Without dead ends: 2625 [2019-09-08 07:49:57,310 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-08 07:49:57,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2019-09-08 07:49:57,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2623. [2019-09-08 07:49:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2623 states. [2019-09-08 07:49:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2623 states and 3593 transitions. [2019-09-08 07:49:57,541 INFO L78 Accepts]: Start accepts. Automaton has 2623 states and 3593 transitions. Word has length 78 [2019-09-08 07:49:57,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:49:57,542 INFO L475 AbstractCegarLoop]: Abstraction has 2623 states and 3593 transitions. [2019-09-08 07:49:57,542 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 07:49:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 3593 transitions. [2019-09-08 07:49:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 07:49:57,546 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:49:57,546 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 07:49:57,547 INFO L418 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:49:57,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:49:57,547 INFO L82 PathProgramCache]: Analyzing trace with hash 2024202800, now seen corresponding path program 1 times [2019-09-08 07:49:57,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:49:57,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:49:57,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:57,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:49:57,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:49:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:49:57,896 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 07:49:57,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:49:57,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 07:49:57,898 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 07:49:57,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 07:49:57,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-09-08 07:49:57,899 INFO L87 Difference]: Start difference. First operand 2623 states and 3593 transitions. Second operand 11 states. [2019-09-08 07:50:00,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:00,263 INFO L93 Difference]: Finished difference Result 6325 states and 8875 transitions. [2019-09-08 07:50:00,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-09-08 07:50:00,264 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 78 [2019-09-08 07:50:00,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:00,289 INFO L225 Difference]: With dead ends: 6325 [2019-09-08 07:50:00,290 INFO L226 Difference]: Without dead ends: 3737 [2019-09-08 07:50:00,337 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=361, Invalid=1045, Unknown=0, NotChecked=0, Total=1406 [2019-09-08 07:50:00,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2019-09-08 07:50:00,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 2641. [2019-09-08 07:50:00,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2641 states. [2019-09-08 07:50:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2641 states and 3589 transitions. [2019-09-08 07:50:00,523 INFO L78 Accepts]: Start accepts. Automaton has 2641 states and 3589 transitions. Word has length 78 [2019-09-08 07:50:00,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:50:00,524 INFO L475 AbstractCegarLoop]: Abstraction has 2641 states and 3589 transitions. [2019-09-08 07:50:00,524 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 07:50:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 3589 transitions. [2019-09-08 07:50:00,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 07:50:00,525 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:50:00,526 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 07:50:00,526 INFO L418 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:50:00,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:50:00,526 INFO L82 PathProgramCache]: Analyzing trace with hash -346219996, now seen corresponding path program 1 times [2019-09-08 07:50:00,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:50:00,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:50:00,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:00,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:00,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:00,657 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 07:50:00,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:50:00,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 07:50:00,659 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 07:50:00,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 07:50:00,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 07:50:00,660 INFO L87 Difference]: Start difference. First operand 2641 states and 3589 transitions. Second operand 9 states. [2019-09-08 07:50:01,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:01,378 INFO L93 Difference]: Finished difference Result 5889 states and 7935 transitions. [2019-09-08 07:50:01,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 07:50:01,378 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2019-09-08 07:50:01,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:01,399 INFO L225 Difference]: With dead ends: 5889 [2019-09-08 07:50:01,399 INFO L226 Difference]: Without dead ends: 3283 [2019-09-08 07:50:01,407 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-09-08 07:50:01,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2019-09-08 07:50:01,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 2685. [2019-09-08 07:50:01,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2685 states. [2019-09-08 07:50:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 3645 transitions. [2019-09-08 07:50:01,618 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 3645 transitions. Word has length 78 [2019-09-08 07:50:01,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:50:01,619 INFO L475 AbstractCegarLoop]: Abstraction has 2685 states and 3645 transitions. [2019-09-08 07:50:01,619 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 07:50:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 3645 transitions. [2019-09-08 07:50:01,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 07:50:01,621 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:50:01,621 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 07:50:01,621 INFO L418 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:50:01,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:50:01,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1910587116, now seen corresponding path program 1 times [2019-09-08 07:50:01,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:50:01,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:50:01,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:01,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:01,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:01,729 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 07:50:01,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:50:01,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 07:50:01,730 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 07:50:01,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 07:50:01,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 07:50:01,730 INFO L87 Difference]: Start difference. First operand 2685 states and 3645 transitions. Second operand 9 states. [2019-09-08 07:50:02,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:02,438 INFO L93 Difference]: Finished difference Result 6405 states and 8685 transitions. [2019-09-08 07:50:02,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 07:50:02,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2019-09-08 07:50:02,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:02,460 INFO L225 Difference]: With dead ends: 6405 [2019-09-08 07:50:02,461 INFO L226 Difference]: Without dead ends: 3771 [2019-09-08 07:50:02,469 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-09-08 07:50:02,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2019-09-08 07:50:02,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 2738. [2019-09-08 07:50:02,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2738 states. [2019-09-08 07:50:02,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3722 transitions. [2019-09-08 07:50:02,708 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3722 transitions. Word has length 78 [2019-09-08 07:50:02,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:50:02,709 INFO L475 AbstractCegarLoop]: Abstraction has 2738 states and 3722 transitions. [2019-09-08 07:50:02,709 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 07:50:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3722 transitions. [2019-09-08 07:50:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 07:50:02,711 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:50:02,711 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 07:50:02,711 INFO L418 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:50:02,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:50:02,712 INFO L82 PathProgramCache]: Analyzing trace with hash -19622377, now seen corresponding path program 1 times [2019-09-08 07:50:02,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:50:02,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:50:02,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:02,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:02,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:02,785 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 07:50:02,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:50:02,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 07:50:02,786 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 07:50:02,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 07:50:02,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 07:50:02,787 INFO L87 Difference]: Start difference. First operand 2738 states and 3722 transitions. Second operand 5 states. [2019-09-08 07:50:03,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:03,309 INFO L93 Difference]: Finished difference Result 6172 states and 8439 transitions. [2019-09-08 07:50:03,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 07:50:03,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2019-09-08 07:50:03,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:03,329 INFO L225 Difference]: With dead ends: 6172 [2019-09-08 07:50:03,329 INFO L226 Difference]: Without dead ends: 3495 [2019-09-08 07:50:03,337 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 07:50:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3495 states. [2019-09-08 07:50:03,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3495 to 3420. [2019-09-08 07:50:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3420 states. [2019-09-08 07:50:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 3420 states and 4655 transitions. [2019-09-08 07:50:03,600 INFO L78 Accepts]: Start accepts. Automaton has 3420 states and 4655 transitions. Word has length 79 [2019-09-08 07:50:03,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:50:03,600 INFO L475 AbstractCegarLoop]: Abstraction has 3420 states and 4655 transitions. [2019-09-08 07:50:03,601 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 07:50:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 3420 states and 4655 transitions. [2019-09-08 07:50:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 07:50:03,602 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:50:03,602 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 07:50:03,602 INFO L418 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:50:03,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:50:03,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1627802584, now seen corresponding path program 1 times [2019-09-08 07:50:03,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:50:03,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:50:03,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:03,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:03,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:03,711 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 07:50:03,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 07:50:03,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 07:50:03,712 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 07:50:03,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 07:50:03,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 07:50:03,713 INFO L87 Difference]: Start difference. First operand 3420 states and 4655 transitions. Second operand 8 states. [2019-09-08 07:50:03,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:03,947 INFO L93 Difference]: Finished difference Result 4216 states and 5913 transitions. [2019-09-08 07:50:03,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 07:50:03,947 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2019-09-08 07:50:03,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:03,974 INFO L225 Difference]: With dead ends: 4216 [2019-09-08 07:50:03,975 INFO L226 Difference]: Without dead ends: 4214 [2019-09-08 07:50:03,978 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-08 07:50:03,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2019-09-08 07:50:04,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 3798. [2019-09-08 07:50:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3798 states. [2019-09-08 07:50:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3798 states and 5037 transitions. [2019-09-08 07:50:04,270 INFO L78 Accepts]: Start accepts. Automaton has 3798 states and 5037 transitions. Word has length 79 [2019-09-08 07:50:04,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:50:04,270 INFO L475 AbstractCegarLoop]: Abstraction has 3798 states and 5037 transitions. [2019-09-08 07:50:04,271 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 07:50:04,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3798 states and 5037 transitions. [2019-09-08 07:50:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-09-08 07:50:04,274 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:50:04,274 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 07:50:04,275 INFO L418 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:50:04,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:50:04,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1342328927, now seen corresponding path program 1 times [2019-09-08 07:50:04,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:50:04,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:50:04,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:04,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:04,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-09-08 07:50:04,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 07:50:04,390 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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 07:50:04,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:04,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 17 conjunts are in the unsatisfiable core [2019-09-08 07:50:04,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 07:50:04,916 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-08 07:50:04,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 07:50:04,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2019-09-08 07:50:04,931 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 07:50:04,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 07:50:04,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-09-08 07:50:04,934 INFO L87 Difference]: Start difference. First operand 3798 states and 5037 transitions. Second operand 12 states. [2019-09-08 07:50:07,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:07,120 INFO L93 Difference]: Finished difference Result 10186 states and 13574 transitions. [2019-09-08 07:50:07,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-09-08 07:50:07,120 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 124 [2019-09-08 07:50:07,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:07,165 INFO L225 Difference]: With dead ends: 10186 [2019-09-08 07:50:07,165 INFO L226 Difference]: Without dead ends: 6443 [2019-09-08 07:50:07,176 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2019-09-08 07:50:07,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6443 states. [2019-09-08 07:50:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6443 to 6219. [2019-09-08 07:50:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6219 states. [2019-09-08 07:50:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6219 states to 6219 states and 8120 transitions. [2019-09-08 07:50:07,630 INFO L78 Accepts]: Start accepts. Automaton has 6219 states and 8120 transitions. Word has length 124 [2019-09-08 07:50:07,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:50:07,631 INFO L475 AbstractCegarLoop]: Abstraction has 6219 states and 8120 transitions. [2019-09-08 07:50:07,631 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 07:50:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 6219 states and 8120 transitions. [2019-09-08 07:50:07,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-09-08 07:50:07,637 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:50:07,637 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 07:50:07,638 INFO L418 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:50:07,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:50:07,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1704375859, now seen corresponding path program 1 times [2019-09-08 07:50:07,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:50:07,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:50:07,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:07,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:07,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-08 07:50:07,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 07:50:07,991 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) [2019-09-08 07:50:08,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 07:50:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:08,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 17 conjunts are in the unsatisfiable core [2019-09-08 07:50:08,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 07:50:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-08 07:50:08,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 07:50:08,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2019-09-08 07:50:08,467 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-08 07:50:08,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-08 07:50:08,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2019-09-08 07:50:08,468 INFO L87 Difference]: Start difference. First operand 6219 states and 8120 transitions. Second operand 22 states. [2019-09-08 07:50:15,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:15,062 INFO L93 Difference]: Finished difference Result 20189 states and 26867 transitions. [2019-09-08 07:50:15,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2019-09-08 07:50:15,063 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 124 [2019-09-08 07:50:15,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:15,144 INFO L225 Difference]: With dead ends: 20189 [2019-09-08 07:50:15,144 INFO L226 Difference]: Without dead ends: 15963 [2019-09-08 07:50:15,164 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 150 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1618 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=939, Invalid=4173, Unknown=0, NotChecked=0, Total=5112 [2019-09-08 07:50:15,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15963 states. [2019-09-08 07:50:16,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15963 to 12567. [2019-09-08 07:50:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12567 states. [2019-09-08 07:50:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12567 states to 12567 states and 16488 transitions. [2019-09-08 07:50:16,129 INFO L78 Accepts]: Start accepts. Automaton has 12567 states and 16488 transitions. Word has length 124 [2019-09-08 07:50:16,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:50:16,130 INFO L475 AbstractCegarLoop]: Abstraction has 12567 states and 16488 transitions. [2019-09-08 07:50:16,130 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-08 07:50:16,130 INFO L276 IsEmpty]: Start isEmpty. Operand 12567 states and 16488 transitions. [2019-09-08 07:50:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-09-08 07:50:16,135 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:50:16,136 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 07:50:16,136 INFO L418 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:50:16,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:50:16,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1799940107, now seen corresponding path program 1 times [2019-09-08 07:50:16,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:50:16,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:50:16,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:16,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:16,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-08 07:50:16,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 07:50:16,257 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 07:50:16,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 07:50:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:16,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 17 conjunts are in the unsatisfiable core [2019-09-08 07:50:16,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 07:50:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-08 07:50:16,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 07:50:16,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2019-09-08 07:50:16,689 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 07:50:16,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 07:50:16,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2019-09-08 07:50:16,690 INFO L87 Difference]: Start difference. First operand 12567 states and 16488 transitions. Second operand 14 states. [2019-09-08 07:50:20,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:20,510 INFO L93 Difference]: Finished difference Result 40665 states and 53957 transitions. [2019-09-08 07:50:20,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-09-08 07:50:20,511 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 124 [2019-09-08 07:50:20,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:20,608 INFO L225 Difference]: With dead ends: 40665 [2019-09-08 07:50:20,609 INFO L226 Difference]: Without dead ends: 28172 [2019-09-08 07:50:20,649 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=402, Invalid=1158, Unknown=0, NotChecked=0, Total=1560 [2019-09-08 07:50:20,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28172 states. [2019-09-08 07:50:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28172 to 27165. [2019-09-08 07:50:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27165 states. [2019-09-08 07:50:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27165 states to 27165 states and 35371 transitions. [2019-09-08 07:50:23,383 INFO L78 Accepts]: Start accepts. Automaton has 27165 states and 35371 transitions. Word has length 124 [2019-09-08 07:50:23,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:50:23,384 INFO L475 AbstractCegarLoop]: Abstraction has 27165 states and 35371 transitions. [2019-09-08 07:50:23,384 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 07:50:23,384 INFO L276 IsEmpty]: Start isEmpty. Operand 27165 states and 35371 transitions. [2019-09-08 07:50:23,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-09-08 07:50:23,392 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:50:23,392 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 07:50:23,393 INFO L418 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:50:23,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:50:23,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1698129043, now seen corresponding path program 1 times [2019-09-08 07:50:23,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:50:23,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:50:23,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:23,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:23,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-08 07:50:23,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 07:50:23,614 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 07:50:23,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 07:50:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:23,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 17 conjunts are in the unsatisfiable core [2019-09-08 07:50:23,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 07:50:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 07:50:24,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 07:50:24,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [14] total 24 [2019-09-08 07:50:24,078 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-08 07:50:24,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-08 07:50:24,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2019-09-08 07:50:24,079 INFO L87 Difference]: Start difference. First operand 27165 states and 35371 transitions. Second operand 24 states. [2019-09-08 07:50:24,890 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 11 [2019-09-08 07:50:33,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:33,337 INFO L93 Difference]: Finished difference Result 51061 states and 66771 transitions. [2019-09-08 07:50:33,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2019-09-08 07:50:33,338 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 124 [2019-09-08 07:50:33,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:33,505 INFO L225 Difference]: With dead ends: 51061 [2019-09-08 07:50:33,506 INFO L226 Difference]: Without dead ends: 47759 [2019-09-08 07:50:33,540 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 146 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1745 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=819, Invalid=4583, Unknown=0, NotChecked=0, Total=5402 [2019-09-08 07:50:33,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47759 states. [2019-09-08 07:50:37,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47759 to 40793. [2019-09-08 07:50:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40793 states. [2019-09-08 07:50:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40793 states to 40793 states and 53407 transitions. [2019-09-08 07:50:37,705 INFO L78 Accepts]: Start accepts. Automaton has 40793 states and 53407 transitions. Word has length 124 [2019-09-08 07:50:37,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:50:37,706 INFO L475 AbstractCegarLoop]: Abstraction has 40793 states and 53407 transitions. [2019-09-08 07:50:37,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-08 07:50:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 40793 states and 53407 transitions. [2019-09-08 07:50:37,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-09-08 07:50:37,714 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:50:37,715 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 07:50:37,715 INFO L418 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:50:37,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:50:37,715 INFO L82 PathProgramCache]: Analyzing trace with hash -518898664, now seen corresponding path program 1 times [2019-09-08 07:50:37,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:50:37,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:50:37,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:37,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:37,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:50:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-08 07:50:38,028 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 07:50:38,028 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 07:50:38,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:50:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:50:38,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-08 07:50:38,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 07:50:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 07:50:38,391 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 07:50:38,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 6] total 23 [2019-09-08 07:50:38,392 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-08 07:50:38,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-08 07:50:38,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=460, Unknown=0, NotChecked=0, Total=506 [2019-09-08 07:50:38,393 INFO L87 Difference]: Start difference. First operand 40793 states and 53407 transitions. Second operand 23 states. [2019-09-08 07:50:40,600 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-08 07:50:58,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:50:58,659 INFO L93 Difference]: Finished difference Result 199679 states and 261745 transitions. [2019-09-08 07:50:58,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2019-09-08 07:50:58,660 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 125 [2019-09-08 07:50:58,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:50:59,146 INFO L225 Difference]: With dead ends: 199679 [2019-09-08 07:50:59,146 INFO L226 Difference]: Without dead ends: 165967 [2019-09-08 07:50:59,245 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 162 SyntacticMatches, 1 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8152 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=3366, Invalid=18096, Unknown=0, NotChecked=0, Total=21462 [2019-09-08 07:50:59,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165967 states. [2019-09-08 07:51:12,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165967 to 155057. [2019-09-08 07:51:12,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155057 states. [2019-09-08 07:51:12,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155057 states to 155057 states and 201007 transitions. [2019-09-08 07:51:12,630 INFO L78 Accepts]: Start accepts. Automaton has 155057 states and 201007 transitions. Word has length 125 [2019-09-08 07:51:12,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 07:51:12,631 INFO L475 AbstractCegarLoop]: Abstraction has 155057 states and 201007 transitions. [2019-09-08 07:51:12,631 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-08 07:51:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 155057 states and 201007 transitions. [2019-09-08 07:51:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-09-08 07:51:12,642 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 07:51:12,642 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 07:51:12,643 INFO L418 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 07:51:12,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 07:51:12,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1868859011, now seen corresponding path program 1 times [2019-09-08 07:51:12,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 07:51:12,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 07:51:12,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:51:12,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:51:12,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 07:51:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:51:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-08 07:51:12,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 07:51:12,920 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 07:51:12,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 07:51:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 07:51:13,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 30 conjunts are in the unsatisfiable core [2019-09-08 07:51:13,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 07:51:13,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 07:51:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 07:51:14,941 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 07:51:14,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 33 [2019-09-08 07:51:14,942 INFO L454 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-09-08 07:51:14,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-09-08 07:51:14,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=981, Unknown=0, NotChecked=0, Total=1056 [2019-09-08 07:51:14,943 INFO L87 Difference]: Start difference. First operand 155057 states and 201007 transitions. Second operand 33 states. [2019-09-08 07:51:16,903 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 07:51:17,198 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-08 07:51:17,585 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-08 07:51:17,891 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-09-08 07:51:18,165 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-08 07:51:18,425 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 07:51:18,728 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 07:51:18,949 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-08 07:51:19,218 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-08 07:51:19,470 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-08 07:51:19,808 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-08 07:51:20,069 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-08 07:51:20,339 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-08 07:51:20,633 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-08 07:51:20,890 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-08 07:51:21,149 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-08 07:51:21,511 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-08 07:51:21,686 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-08 07:51:22,056 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 07:51:22,219 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-08 07:51:22,512 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-08 07:51:23,260 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-08 07:51:23,438 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-08 07:51:23,719 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-08 07:51:23,908 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-08 07:51:24,251 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-08 07:51:24,439 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-08 07:51:24,697 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-08 07:51:24,887 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-08 07:51:25,325 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 07:51:25,605 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 07:51:26,378 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-08 07:51:26,580 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-08 07:51:26,845 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-08 07:51:27,021 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-09-08 07:51:27,297 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-08 07:51:27,535 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-08 07:51:27,710 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-08 07:51:27,881 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-08 07:51:28,134 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-08 07:51:28,389 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-08 07:51:28,562 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-08 07:51:28,729 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-08 07:51:29,252 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-08 07:51:29,412 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 07:51:29,590 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-08 07:51:29,900 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-09-08 07:51:30,105 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-08 07:51:30,318 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 07:51:31,492 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-08 07:51:31,812 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-08 07:51:32,009 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-09-08 07:51:32,221 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-08 07:51:32,419 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-08 07:51:32,615 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-08 07:51:32,889 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:51:33,194 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-08 07:51:33,449 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-08 07:51:33,626 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 07:51:33,843 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-08 07:51:34,016 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 07:51:34,274 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 07:51:34,451 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 07:51:34,651 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 07:51:34,831 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-08 07:51:35,136 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 07:51:35,322 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 07:51:35,580 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 07:51:35,765 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-08 07:51:36,141 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-08 07:51:36,586 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 07:51:36,945 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-08 07:51:37,231 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-08 07:51:37,620 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 07:51:37,892 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-08 07:51:38,134 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-08 07:51:38,477 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 07:51:38,657 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 07:51:38,889 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 07:51:39,252 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 07:51:39,461 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-08 07:51:39,734 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-08 07:51:39,950 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 07:51:40,157 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 07:51:40,551 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-08 07:51:40,769 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 07:51:40,955 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 07:51:41,429 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-08 07:51:41,684 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-08 07:51:41,905 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 07:51:42,088 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 07:51:42,264 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 07:51:42,495 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-08 07:51:42,810 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-08 07:51:43,007 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 07:51:43,351 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2019-09-08 07:51:43,623 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-08 07:51:43,841 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-08 07:51:44,022 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 07:51:44,199 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-08 07:51:44,386 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 07:51:44,684 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-08 07:51:45,014 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-08 07:51:45,296 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-08 07:51:45,618 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-09-08 07:51:45,895 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-08 07:51:46,301 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-08 07:51:46,590 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-08 07:51:46,822 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-08 07:51:47,032 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-08 07:51:47,194 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 07:51:47,375 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 07:51:47,549 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 07:51:47,690 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-08 07:51:47,854 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-08 07:51:48,270 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 07:51:48,475 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-08 07:51:48,734 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-08 07:51:49,116 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 07:51:49,320 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-08 07:51:49,670 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-08 07:51:49,847 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-08 07:51:50,238 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 07:51:50,440 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-08 07:51:50,692 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-08 07:51:50,994 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 07:51:51,249 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-08 07:51:51,596 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 07:51:51,979 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 07:51:52,153 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2019-09-08 07:51:52,405 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-08 07:51:52,754 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-08 07:51:52,921 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-08 07:51:53,169 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-08 07:51:53,464 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 07:51:53,976 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-08 07:51:54,410 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 07:51:54,574 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-08 07:51:54,782 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-08 07:51:54,989 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-08 07:51:55,215 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-08 07:51:55,526 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 07:51:55,689 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-08 07:51:55,940 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-08 07:51:56,220 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 07:51:56,474 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 07:51:58,036 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-08 07:51:58,285 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 07:51:58,613 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-08 07:51:58,876 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-08 07:51:59,100 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 07:51:59,493 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 07:51:59,688 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-08 07:52:00,567 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2019-09-08 07:52:00,837 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 07:52:01,118 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 07:52:01,419 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 07:52:02,003 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2019-09-08 07:52:02,214 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-09-08 07:52:02,522 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-08 07:52:02,731 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-08 07:52:02,993 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-08 07:52:03,182 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-08 07:52:03,437 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2019-09-08 07:52:03,788 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-09-08 07:52:04,060 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-08 07:52:04,323 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-08 07:52:04,563 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 07:52:04,865 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-08 07:52:05,116 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-08 07:52:05,847 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-08 07:52:06,076 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2019-09-08 07:52:06,346 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-08 07:52:06,541 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-09-08 07:52:06,875 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-08 07:52:07,080 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-08 07:52:07,358 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-08 07:52:07,550 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-08 07:52:07,853 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-08 07:52:08,039 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-08 07:52:08,361 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-08 07:52:08,640 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-08 07:52:08,878 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:52:09,141 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-08 07:52:09,399 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-08 07:52:09,638 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-08 07:52:10,085 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-08 07:52:10,269 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-08 07:52:10,526 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-08 07:52:10,725 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2019-09-08 07:52:11,029 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2019-09-08 07:52:11,207 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-08 07:52:11,533 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 07:52:11,842 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-08 07:52:12,099 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-08 07:52:12,335 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 07:52:12,760 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 07:52:13,030 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-08 07:52:13,318 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-08 07:52:13,502 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-09-08 07:52:13,834 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 07:52:14,091 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-08 07:52:14,390 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 07:52:14,603 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:52:14,899 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-08 07:52:15,083 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-08 07:52:15,280 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:52:15,480 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 07:52:15,869 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 07:52:16,389 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-08 07:52:16,659 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:52:16,952 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 07:52:17,255 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 07:52:17,854 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-08 07:52:18,064 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-08 07:52:18,777 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-08 07:52:19,291 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-08 07:52:19,558 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-08 07:52:20,678 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-08 07:52:20,905 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-08 07:52:21,364 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-08 07:52:21,990 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-08 07:52:23,842 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-09-08 07:52:24,050 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-08 07:52:24,370 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-08 07:52:24,578 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-08 07:52:24,927 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-08 07:52:25,143 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-08 07:52:25,442 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-09-08 07:52:25,692 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-08 07:52:26,055 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 07:52:26,251 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 07:52:26,428 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 07:52:26,573 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-08 07:52:26,737 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 07:52:26,930 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 07:52:27,105 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 07:52:27,263 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-08 07:52:27,581 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-08 07:52:27,847 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-08 07:52:28,036 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-08 07:52:28,216 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-08 07:52:28,492 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-08 07:52:28,664 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-09-08 07:52:28,999 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-08 07:52:29,270 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-08 07:52:29,469 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-08 07:52:29,654 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-08 07:52:29,828 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-08 07:52:30,191 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 07:52:30,421 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-08 07:52:30,685 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-08 07:52:30,934 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:52:31,166 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:52:31,425 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-08 07:52:31,741 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-08 07:52:31,969 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 07:52:32,146 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-08 07:52:32,326 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-08 07:52:32,504 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 07:52:32,696 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 07:52:32,842 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 07:52:33,011 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 07:52:33,184 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 07:52:33,347 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-08 07:52:33,714 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-08 07:52:33,945 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-08 07:52:34,108 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-08 07:52:34,295 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-08 07:52:34,546 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-08 07:52:34,712 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2019-09-08 07:52:34,963 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-08 07:52:35,150 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-08 07:52:35,312 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-08 07:52:35,688 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 07:52:36,163 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 07:52:36,415 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-08 07:52:36,670 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 07:52:36,883 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 07:52:37,247 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 07:52:37,630 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 07:52:37,831 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 07:52:38,566 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-08 07:52:38,819 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-08 07:52:38,988 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-08 07:52:39,177 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-08 07:52:39,830 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-08 07:52:40,025 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2019-09-08 07:52:40,552 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 07:52:40,810 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-08 07:52:41,404 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-08 07:52:42,593 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-08 07:52:43,540 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-08 07:52:46,216 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 07:52:46,469 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-08 07:52:46,714 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-08 07:52:46,965 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-08 07:52:47,242 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-08 07:52:47,507 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-08 07:52:47,696 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 07:52:47,868 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 07:52:48,107 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-08 07:52:48,316 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-08 07:52:48,564 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-08 07:52:49,044 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-08 07:52:49,269 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-08 07:52:49,524 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-08 07:52:49,742 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 07:52:49,995 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-08 07:52:50,221 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-08 07:52:50,440 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 07:52:50,609 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 07:52:50,803 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 07:52:51,062 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-08 07:52:51,317 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-08 07:52:51,532 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-08 07:52:51,742 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 07:52:52,010 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-08 07:52:52,191 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 07:52:52,597 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:52:52,900 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 07:52:53,101 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 07:52:53,659 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 07:52:53,898 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-08 07:52:54,148 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-08 07:52:54,728 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-08 07:52:54,937 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 07:52:55,335 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-08 07:52:55,563 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-08 07:52:55,849 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-08 07:52:56,082 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:52:56,423 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-08 07:52:56,664 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-08 07:52:56,893 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-08 07:52:57,107 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-08 07:52:57,341 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 07:52:57,624 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-08 07:52:57,901 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-08 07:52:58,152 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-08 07:52:58,408 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-08 07:52:58,684 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-08 07:52:58,918 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-08 07:52:59,067 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-08 07:52:59,278 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-08 07:52:59,438 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-08 07:52:59,664 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-08 07:52:59,876 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:53:00,092 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 07:53:00,335 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-08 07:53:00,507 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-08 07:53:00,762 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-08 07:53:00,971 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-08 07:53:01,133 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-08 07:53:01,338 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-08 07:53:01,508 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-08 07:53:01,732 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2019-09-08 07:53:01,906 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-08 07:53:02,146 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-08 07:53:02,309 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2019-09-08 07:53:02,548 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 07:53:02,786 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 07:53:03,026 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2019-09-08 07:53:03,195 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-08 07:53:03,434 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-08 07:53:04,439 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-09-08 07:53:04,809 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-08 07:53:05,068 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2019-09-08 07:53:05,241 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-08 07:53:05,876 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-08 07:53:07,933 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-08 07:53:08,104 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-08 07:53:08,413 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-08 07:53:08,654 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-08 07:53:08,831 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-08 07:53:09,088 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-08 07:53:09,401 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-08 07:53:09,577 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-08 07:53:09,758 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-08 07:53:10,031 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-08 07:53:10,208 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-08 07:53:10,459 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-08 07:53:10,637 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-08 07:53:10,873 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-08 07:53:11,138 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-08 07:53:11,894 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-08 07:53:12,065 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-08 07:53:12,321 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 07:53:12,515 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 07:53:12,697 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-08 07:53:12,920 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-08 07:53:13,103 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-08 07:53:13,289 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 07:53:13,491 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 07:53:13,722 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-08 07:53:14,105 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-08 07:53:14,433 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-08 07:53:15,218 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-08 07:53:15,575 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-08 07:53:17,087 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-08 07:53:17,243 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-08 07:53:17,943 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-08 07:53:18,124 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-09-08 07:53:18,453 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-08 07:53:18,608 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-08 07:53:18,766 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-08 07:53:19,331 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-08 07:53:19,510 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-08 07:53:19,659 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-08 07:53:19,821 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-08 07:53:19,983 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-08 07:53:20,809 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-08 07:53:21,137 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-08 07:53:23,193 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 07:53:37,179 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-09-08 07:53:37,370 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 07:53:37,546 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-08 07:53:37,732 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 07:53:38,599 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-08 07:53:38,761 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-08 07:53:39,098 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 07:53:39,492 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 07:53:39,653 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 07:53:40,680 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 07:53:40,958 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 07:53:42,661 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-08 07:53:42,830 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 07:53:45,398 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 07:53:45,720 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 07:53:45,888 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-08 07:53:47,288 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 07:53:47,445 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 07:53:47,606 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 07:53:47,770 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 07:53:48,878 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 07:53:49,973 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 07:55:54,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 07:55:54,994 INFO L93 Difference]: Finished difference Result 1974195 states and 2631362 transitions. [2019-09-08 07:55:54,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2019-09-08 07:55:54,994 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 126 [2019-09-08 07:55:54,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 07:56:14,214 INFO L225 Difference]: With dead ends: 1974195 [2019-09-08 07:56:14,214 INFO L226 Difference]: Without dead ends: 1803392 [2019-09-08 07:56:14,850 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 936 GetRequests, 390 SyntacticMatches, 14 SemanticMatches, 532 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132354 ImplicationChecksByTransitivity, 104.1s TimeCoverageRelationStatistics Valid=22693, Invalid=261929, Unknown=0, NotChecked=0, Total=284622 [2019-09-08 07:56:15,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803392 states.