java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 11:36:55,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 11:36:55,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 11:36:55,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 11:36:55,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 11:36:55,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 11:36:55,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 11:36:55,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 11:36:55,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 11:36:55,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 11:36:55,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 11:36:55,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 11:36:55,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 11:36:55,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 11:36:55,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 11:36:55,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 11:36:55,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 11:36:55,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 11:36:55,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 11:36:55,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 11:36:55,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 11:36:55,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 11:36:55,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 11:36:55,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 11:36:55,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 11:36:55,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 11:36:55,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 11:36:55,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 11:36:55,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 11:36:55,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 11:36:55,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 11:36:55,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 11:36:55,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 11:36:55,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 11:36:55,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 11:36:55,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 11:36:55,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 11:36:55,312 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 11:36:55,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 11:36:55,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 11:36:55,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 11:36:55,314 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 11:36:55,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 11:36:55,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 11:36:55,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 11:36:55,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 11:36:55,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 11:36:55,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 11:36:55,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 11:36:55,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 11:36:55,317 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 11:36:55,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 11:36:55,317 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 11:36:55,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 11:36:55,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 11:36:55,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 11:36:55,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 11:36:55,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 11:36:55,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:36:55,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 11:36:55,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 11:36:55,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 11:36:55,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 11:36:55,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 11:36:55,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 11:36:55,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 11:36:55,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 11:36:55,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 11:36:55,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 11:36:55,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 11:36:55,396 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 11:36:55,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-09-08 11:36:55,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6e65b6e/1b8785e53aae4578926936ee7be0a32d/FLAG3461f8678 [2019-09-08 11:36:56,056 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 11:36:56,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-09-08 11:36:56,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6e65b6e/1b8785e53aae4578926936ee7be0a32d/FLAG3461f8678 [2019-09-08 11:36:56,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6e65b6e/1b8785e53aae4578926936ee7be0a32d [2019-09-08 11:36:56,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 11:36:56,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 11:36:56,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 11:36:56,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 11:36:56,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 11:36:56,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:36:56" (1/1) ... [2019-09-08 11:36:56,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3601f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:56, skipping insertion in model container [2019-09-08 11:36:56,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:36:56" (1/1) ... [2019-09-08 11:36:56,294 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 11:36:56,364 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 11:36:56,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:36:56,902 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 11:36:57,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:36:57,207 INFO L192 MainTranslator]: Completed translation [2019-09-08 11:36:57,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57 WrapperNode [2019-09-08 11:36:57,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 11:36:57,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 11:36:57,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 11:36:57,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 11:36:57,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57" (1/1) ... [2019-09-08 11:36:57,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57" (1/1) ... [2019-09-08 11:36:57,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57" (1/1) ... [2019-09-08 11:36:57,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57" (1/1) ... [2019-09-08 11:36:57,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57" (1/1) ... [2019-09-08 11:36:57,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57" (1/1) ... [2019-09-08 11:36:57,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57" (1/1) ... [2019-09-08 11:36:57,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 11:36:57,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 11:36:57,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 11:36:57,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 11:36:57,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:36:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 11:36:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 11:36:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 11:36:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 11:36:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 11:36:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 11:36:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 11:36:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 11:36:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 11:36:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 11:36:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 11:36:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 11:36:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 11:36:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 11:36:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 11:36:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 11:36:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 11:36:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 11:36:58,747 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 11:36:58,748 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 11:36:58,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:36:58 BoogieIcfgContainer [2019-09-08 11:36:58,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 11:36:58,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 11:36:58,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 11:36:58,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 11:36:58,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:36:56" (1/3) ... [2019-09-08 11:36:58,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31184404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:36:58, skipping insertion in model container [2019-09-08 11:36:58,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:36:57" (2/3) ... [2019-09-08 11:36:58,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31184404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:36:58, skipping insertion in model container [2019-09-08 11:36:58,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:36:58" (3/3) ... [2019-09-08 11:36:58,766 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-09-08 11:36:58,777 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 11:36:58,800 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-09-08 11:36:58,819 INFO L252 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-09-08 11:36:58,878 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 11:36:58,878 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 11:36:58,878 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 11:36:58,879 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 11:36:58,880 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 11:36:58,880 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 11:36:58,880 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 11:36:58,880 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 11:36:58,880 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 11:36:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2019-09-08 11:36:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:36:58,947 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:36:58,948 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:36:58,950 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:36:58,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:36:58,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1790086, now seen corresponding path program 1 times [2019-09-08 11:36:58,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:36:58,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:36:59,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:36:59,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:36:59,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:36:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:36:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:36:59,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:36:59,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:36:59,422 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:36:59,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:36:59,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:36:59,440 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 5 states. [2019-09-08 11:36:59,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:36:59,898 INFO L93 Difference]: Finished difference Result 382 states and 638 transitions. [2019-09-08 11:36:59,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:36:59,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-08 11:36:59,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:36:59,918 INFO L225 Difference]: With dead ends: 382 [2019-09-08 11:36:59,919 INFO L226 Difference]: Without dead ends: 221 [2019-09-08 11:36:59,927 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:36:59,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-09-08 11:37:00,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2019-09-08 11:37:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-09-08 11:37:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 271 transitions. [2019-09-08 11:37:00,030 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 271 transitions. Word has length 52 [2019-09-08 11:37:00,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:00,031 INFO L475 AbstractCegarLoop]: Abstraction has 221 states and 271 transitions. [2019-09-08 11:37:00,031 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 271 transitions. [2019-09-08 11:37:00,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:37:00,043 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:00,043 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:00,044 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:00,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:00,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1791591749, now seen corresponding path program 1 times [2019-09-08 11:37:00,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:00,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:00,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:00,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:00,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:00,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:00,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:00,173 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:00,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:00,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:00,174 INFO L87 Difference]: Start difference. First operand 221 states and 271 transitions. Second operand 5 states. [2019-09-08 11:37:00,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:00,423 INFO L93 Difference]: Finished difference Result 319 states and 400 transitions. [2019-09-08 11:37:00,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:00,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-08 11:37:00,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:00,428 INFO L225 Difference]: With dead ends: 319 [2019-09-08 11:37:00,429 INFO L226 Difference]: Without dead ends: 205 [2019-09-08 11:37:00,432 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:00,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-09-08 11:37:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2019-09-08 11:37:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-09-08 11:37:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 252 transitions. [2019-09-08 11:37:00,465 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 252 transitions. Word has length 52 [2019-09-08 11:37:00,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:00,466 INFO L475 AbstractCegarLoop]: Abstraction has 205 states and 252 transitions. [2019-09-08 11:37:00,466 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2019-09-08 11:37:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:37:00,470 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:00,470 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:00,471 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:00,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:00,472 INFO L82 PathProgramCache]: Analyzing trace with hash 142197449, now seen corresponding path program 1 times [2019-09-08 11:37:00,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:00,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:00,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:00,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:00,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:00,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:00,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:00,624 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:00,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:00,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:00,625 INFO L87 Difference]: Start difference. First operand 205 states and 252 transitions. Second operand 5 states. [2019-09-08 11:37:00,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:00,783 INFO L93 Difference]: Finished difference Result 273 states and 338 transitions. [2019-09-08 11:37:00,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:00,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-08 11:37:00,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:00,786 INFO L225 Difference]: With dead ends: 273 [2019-09-08 11:37:00,786 INFO L226 Difference]: Without dead ends: 167 [2019-09-08 11:37:00,787 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-09-08 11:37:00,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2019-09-08 11:37:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-09-08 11:37:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 203 transitions. [2019-09-08 11:37:00,798 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 203 transitions. Word has length 52 [2019-09-08 11:37:00,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:00,798 INFO L475 AbstractCegarLoop]: Abstraction has 167 states and 203 transitions. [2019-09-08 11:37:00,798 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 203 transitions. [2019-09-08 11:37:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:37:00,799 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:00,799 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 11:37:00,800 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:00,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:00,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1470629779, now seen corresponding path program 1 times [2019-09-08 11:37:00,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:00,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:00,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:00,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:00,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:00,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:00,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:00,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 11:37:00,967 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 11:37:00,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 11:37:00,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:37:00,968 INFO L87 Difference]: Start difference. First operand 167 states and 203 transitions. Second operand 8 states. [2019-09-08 11:37:01,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:01,361 INFO L93 Difference]: Finished difference Result 330 states and 409 transitions. [2019-09-08 11:37:01,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 11:37:01,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-09-08 11:37:01,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:01,364 INFO L225 Difference]: With dead ends: 330 [2019-09-08 11:37:01,365 INFO L226 Difference]: Without dead ends: 243 [2019-09-08 11:37:01,366 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:37:01,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-09-08 11:37:01,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 167. [2019-09-08 11:37:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-09-08 11:37:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 202 transitions. [2019-09-08 11:37:01,412 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 202 transitions. Word has length 54 [2019-09-08 11:37:01,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:01,412 INFO L475 AbstractCegarLoop]: Abstraction has 167 states and 202 transitions. [2019-09-08 11:37:01,412 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 11:37:01,412 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 202 transitions. [2019-09-08 11:37:01,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:37:01,414 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:01,414 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 11:37:01,415 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:01,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:01,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1262249389, now seen corresponding path program 1 times [2019-09-08 11:37:01,415 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:01,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:01,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:01,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:01,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:01,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:01,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:37:01,596 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:37:01,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:37:01,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:01,597 INFO L87 Difference]: Start difference. First operand 167 states and 202 transitions. Second operand 9 states. [2019-09-08 11:37:02,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:02,202 INFO L93 Difference]: Finished difference Result 347 states and 445 transitions. [2019-09-08 11:37:02,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:37:02,203 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-09-08 11:37:02,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:02,206 INFO L225 Difference]: With dead ends: 347 [2019-09-08 11:37:02,206 INFO L226 Difference]: Without dead ends: 341 [2019-09-08 11:37:02,207 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:37:02,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-09-08 11:37:02,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 167. [2019-09-08 11:37:02,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-09-08 11:37:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2019-09-08 11:37:02,220 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 54 [2019-09-08 11:37:02,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:02,221 INFO L475 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2019-09-08 11:37:02,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:37:02,221 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2019-09-08 11:37:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:37:02,222 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:02,222 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 11:37:02,222 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:02,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:02,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1230659379, now seen corresponding path program 1 times [2019-09-08 11:37:02,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:02,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:02,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:02,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:02,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:02,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:02,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:37:02,373 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:37:02,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:37:02,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:02,374 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand 9 states. [2019-09-08 11:37:03,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:03,067 INFO L93 Difference]: Finished difference Result 407 states and 529 transitions. [2019-09-08 11:37:03,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:37:03,067 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-09-08 11:37:03,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:03,071 INFO L225 Difference]: With dead ends: 407 [2019-09-08 11:37:03,072 INFO L226 Difference]: Without dead ends: 345 [2019-09-08 11:37:03,073 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:37:03,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2019-09-08 11:37:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 167. [2019-09-08 11:37:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-09-08 11:37:03,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 200 transitions. [2019-09-08 11:37:03,092 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 200 transitions. Word has length 54 [2019-09-08 11:37:03,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:03,092 INFO L475 AbstractCegarLoop]: Abstraction has 167 states and 200 transitions. [2019-09-08 11:37:03,092 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:37:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 200 transitions. [2019-09-08 11:37:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-08 11:37:03,093 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:03,093 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:03,094 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:03,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:03,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1979337398, now seen corresponding path program 1 times [2019-09-08 11:37:03,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:03,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:03,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:03,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:03,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:03,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:03,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:37:03,602 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:37:03,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:37:03,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:37:03,603 INFO L87 Difference]: Start difference. First operand 167 states and 200 transitions. Second operand 13 states. [2019-09-08 11:37:04,178 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-08 11:37:05,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:05,268 INFO L93 Difference]: Finished difference Result 704 states and 949 transitions. [2019-09-08 11:37:05,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 11:37:05,268 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2019-09-08 11:37:05,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:05,274 INFO L225 Difference]: With dead ends: 704 [2019-09-08 11:37:05,274 INFO L226 Difference]: Without dead ends: 649 [2019-09-08 11:37:05,280 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:37:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2019-09-08 11:37:05,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 155. [2019-09-08 11:37:05,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-09-08 11:37:05,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 186 transitions. [2019-09-08 11:37:05,303 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 186 transitions. Word has length 55 [2019-09-08 11:37:05,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:05,303 INFO L475 AbstractCegarLoop]: Abstraction has 155 states and 186 transitions. [2019-09-08 11:37:05,304 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:37:05,304 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 186 transitions. [2019-09-08 11:37:05,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:37:05,304 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:05,305 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:05,306 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:05,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:05,306 INFO L82 PathProgramCache]: Analyzing trace with hash 245455922, now seen corresponding path program 1 times [2019-09-08 11:37:05,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:05,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:05,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:05,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:05,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:06,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:06,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:37:06,101 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:37:06,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:37:06,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:37:06,102 INFO L87 Difference]: Start difference. First operand 155 states and 186 transitions. Second operand 16 states. [2019-09-08 11:37:06,527 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-08 11:37:07,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:07,355 INFO L93 Difference]: Finished difference Result 288 states and 345 transitions. [2019-09-08 11:37:07,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:37:07,356 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 56 [2019-09-08 11:37:07,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:07,359 INFO L225 Difference]: With dead ends: 288 [2019-09-08 11:37:07,359 INFO L226 Difference]: Without dead ends: 284 [2019-09-08 11:37:07,360 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2019-09-08 11:37:07,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-09-08 11:37:07,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 166. [2019-09-08 11:37:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-09-08 11:37:07,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 202 transitions. [2019-09-08 11:37:07,378 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 202 transitions. Word has length 56 [2019-09-08 11:37:07,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:07,378 INFO L475 AbstractCegarLoop]: Abstraction has 166 states and 202 transitions. [2019-09-08 11:37:07,379 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:37:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 202 transitions. [2019-09-08 11:37:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:37:07,379 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:07,379 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:07,380 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:07,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:07,380 INFO L82 PathProgramCache]: Analyzing trace with hash -44757294, now seen corresponding path program 1 times [2019-09-08 11:37:07,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:07,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:07,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:07,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:07,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:08,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:08,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-08 11:37:08,083 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 11:37:08,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 11:37:08,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:08,084 INFO L87 Difference]: Start difference. First operand 166 states and 202 transitions. Second operand 15 states. [2019-09-08 11:37:09,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:09,506 INFO L93 Difference]: Finished difference Result 397 states and 515 transitions. [2019-09-08 11:37:09,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 11:37:09,506 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2019-09-08 11:37:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:09,510 INFO L225 Difference]: With dead ends: 397 [2019-09-08 11:37:09,510 INFO L226 Difference]: Without dead ends: 334 [2019-09-08 11:37:09,511 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:37:09,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-09-08 11:37:09,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 166. [2019-09-08 11:37:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-09-08 11:37:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 201 transitions. [2019-09-08 11:37:09,533 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 201 transitions. Word has length 56 [2019-09-08 11:37:09,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:09,533 INFO L475 AbstractCegarLoop]: Abstraction has 166 states and 201 transitions. [2019-09-08 11:37:09,533 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 11:37:09,534 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 201 transitions. [2019-09-08 11:37:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:37:09,534 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:09,535 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:09,535 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:09,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:09,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1652172464, now seen corresponding path program 1 times [2019-09-08 11:37:09,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:09,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:09,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:09,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:09,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:10,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:10,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:37:10,075 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:37:10,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:37:10,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:37:10,076 INFO L87 Difference]: Start difference. First operand 166 states and 201 transitions. Second operand 13 states. [2019-09-08 11:37:10,529 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-08 11:37:10,674 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-08 11:37:11,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:11,725 INFO L93 Difference]: Finished difference Result 742 states and 1007 transitions. [2019-09-08 11:37:11,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 11:37:11,726 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2019-09-08 11:37:11,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:11,734 INFO L225 Difference]: With dead ends: 742 [2019-09-08 11:37:11,735 INFO L226 Difference]: Without dead ends: 721 [2019-09-08 11:37:11,736 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2019-09-08 11:37:11,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2019-09-08 11:37:11,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 138. [2019-09-08 11:37:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-08 11:37:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2019-09-08 11:37:11,796 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 57 [2019-09-08 11:37:11,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:11,797 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2019-09-08 11:37:11,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:37:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2019-09-08 11:37:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:37:11,802 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:11,802 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:11,803 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:11,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:11,803 INFO L82 PathProgramCache]: Analyzing trace with hash -835334377, now seen corresponding path program 1 times [2019-09-08 11:37:11,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:11,804 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:11,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:11,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:11,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:12,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:12,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 11:37:12,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 11:37:12,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 11:37:12,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-09-08 11:37:12,162 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand 11 states. [2019-09-08 11:37:12,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:12,713 INFO L93 Difference]: Finished difference Result 297 states and 386 transitions. [2019-09-08 11:37:12,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:37:12,713 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2019-09-08 11:37:12,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:12,716 INFO L225 Difference]: With dead ends: 297 [2019-09-08 11:37:12,716 INFO L226 Difference]: Without dead ends: 250 [2019-09-08 11:37:12,717 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-09-08 11:37:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-09-08 11:37:12,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 134. [2019-09-08 11:37:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-08 11:37:12,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 161 transitions. [2019-09-08 11:37:12,742 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 161 transitions. Word has length 57 [2019-09-08 11:37:12,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:12,742 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 161 transitions. [2019-09-08 11:37:12,742 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 11:37:12,742 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 161 transitions. [2019-09-08 11:37:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 11:37:12,745 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:12,746 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:12,746 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:12,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:12,747 INFO L82 PathProgramCache]: Analyzing trace with hash 112766514, now seen corresponding path program 1 times [2019-09-08 11:37:12,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:12,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:12,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:12,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:12,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:12,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:12,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:37:12,895 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:37:12,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:37:12,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:12,896 INFO L87 Difference]: Start difference. First operand 134 states and 161 transitions. Second operand 9 states. [2019-09-08 11:37:13,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:13,437 INFO L93 Difference]: Finished difference Result 270 states and 343 transitions. [2019-09-08 11:37:13,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 11:37:13,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2019-09-08 11:37:13,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:13,440 INFO L225 Difference]: With dead ends: 270 [2019-09-08 11:37:13,440 INFO L226 Difference]: Without dead ends: 207 [2019-09-08 11:37:13,441 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:37:13,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-09-08 11:37:13,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 134. [2019-09-08 11:37:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-08 11:37:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 160 transitions. [2019-09-08 11:37:13,462 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 160 transitions. Word has length 58 [2019-09-08 11:37:13,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:13,463 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 160 transitions. [2019-09-08 11:37:13,463 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:37:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 160 transitions. [2019-09-08 11:37:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-08 11:37:13,463 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:13,464 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:13,464 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:13,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:13,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1355038921, now seen corresponding path program 1 times [2019-09-08 11:37:13,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:13,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:13,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:13,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:13,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:13,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:13,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:37:13,580 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:37:13,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:37:13,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:13,580 INFO L87 Difference]: Start difference. First operand 134 states and 160 transitions. Second operand 9 states. [2019-09-08 11:37:14,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:14,066 INFO L93 Difference]: Finished difference Result 208 states and 255 transitions. [2019-09-08 11:37:14,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:37:14,070 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-09-08 11:37:14,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:14,071 INFO L225 Difference]: With dead ends: 208 [2019-09-08 11:37:14,071 INFO L226 Difference]: Without dead ends: 200 [2019-09-08 11:37:14,072 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:37:14,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-09-08 11:37:14,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 134. [2019-09-08 11:37:14,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-08 11:37:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2019-09-08 11:37:14,100 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 59 [2019-09-08 11:37:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:14,101 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2019-09-08 11:37:14,101 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:37:14,101 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2019-09-08 11:37:14,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 11:37:14,101 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:14,102 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:14,102 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:14,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:14,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1142655831, now seen corresponding path program 1 times [2019-09-08 11:37:14,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:14,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:14,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:14,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:14,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:14,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:14,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:14,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:37:14,616 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:37:14,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:37:14,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:37:14,617 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 18 states. [2019-09-08 11:37:14,752 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 11:37:15,276 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-08 11:37:17,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:17,080 INFO L93 Difference]: Finished difference Result 444 states and 575 transitions. [2019-09-08 11:37:17,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 11:37:17,080 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 60 [2019-09-08 11:37:17,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:17,083 INFO L225 Difference]: With dead ends: 444 [2019-09-08 11:37:17,083 INFO L226 Difference]: Without dead ends: 438 [2019-09-08 11:37:17,085 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2019-09-08 11:37:17,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2019-09-08 11:37:17,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 147. [2019-09-08 11:37:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-08 11:37:17,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2019-09-08 11:37:17,115 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 60 [2019-09-08 11:37:17,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:17,115 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2019-09-08 11:37:17,115 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:37:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2019-09-08 11:37:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 11:37:17,116 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:17,116 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] [2019-09-08 11:37:17,117 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:17,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:17,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1667709700, now seen corresponding path program 1 times [2019-09-08 11:37:17,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:17,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:17,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:17,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:17,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:17,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:17,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-09-08 11:37:17,801 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 11:37:17,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 11:37:17,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:37:17,802 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 14 states. [2019-09-08 11:37:18,308 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-09-08 11:37:18,693 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2019-09-08 11:37:19,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:19,861 INFO L93 Difference]: Finished difference Result 397 states and 527 transitions. [2019-09-08 11:37:19,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:37:19,862 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 61 [2019-09-08 11:37:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:19,864 INFO L225 Difference]: With dead ends: 397 [2019-09-08 11:37:19,864 INFO L226 Difference]: Without dead ends: 391 [2019-09-08 11:37:19,865 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:37:19,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-09-08 11:37:19,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 147. [2019-09-08 11:37:19,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-08 11:37:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2019-09-08 11:37:19,901 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 61 [2019-09-08 11:37:19,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:19,901 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2019-09-08 11:37:19,901 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 11:37:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2019-09-08 11:37:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 11:37:19,902 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:19,902 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] [2019-09-08 11:37:19,902 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:19,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:19,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1541387915, now seen corresponding path program 1 times [2019-09-08 11:37:19,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:19,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:19,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:19,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:19,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:20,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:20,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-08 11:37:20,308 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 11:37:20,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 11:37:20,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-08 11:37:20,309 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 12 states. [2019-09-08 11:37:21,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:21,514 INFO L93 Difference]: Finished difference Result 409 states and 538 transitions. [2019-09-08 11:37:21,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 11:37:21,515 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2019-09-08 11:37:21,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:21,518 INFO L225 Difference]: With dead ends: 409 [2019-09-08 11:37:21,518 INFO L226 Difference]: Without dead ends: 403 [2019-09-08 11:37:21,519 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:37:21,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-09-08 11:37:21,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 128. [2019-09-08 11:37:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-08 11:37:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 153 transitions. [2019-09-08 11:37:21,547 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 153 transitions. Word has length 61 [2019-09-08 11:37:21,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:21,547 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 153 transitions. [2019-09-08 11:37:21,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 11:37:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 153 transitions. [2019-09-08 11:37:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 11:37:21,548 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:21,548 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] [2019-09-08 11:37:21,549 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:21,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:21,549 INFO L82 PathProgramCache]: Analyzing trace with hash -193814788, now seen corresponding path program 1 times [2019-09-08 11:37:21,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:21,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:21,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:21,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:21,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:22,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:22,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:37:22,423 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:37:22,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:37:22,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:37:22,423 INFO L87 Difference]: Start difference. First operand 128 states and 153 transitions. Second operand 18 states. [2019-09-08 11:37:22,546 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-09-08 11:37:23,154 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-08 11:37:23,306 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:37:23,449 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:37:23,602 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-08 11:37:23,761 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-08 11:37:25,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:25,061 INFO L93 Difference]: Finished difference Result 362 states and 471 transitions. [2019-09-08 11:37:25,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 11:37:25,062 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 61 [2019-09-08 11:37:25,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:25,064 INFO L225 Difference]: With dead ends: 362 [2019-09-08 11:37:25,064 INFO L226 Difference]: Without dead ends: 353 [2019-09-08 11:37:25,065 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=248, Invalid=808, Unknown=0, NotChecked=0, Total=1056 [2019-09-08 11:37:25,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-09-08 11:37:25,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 128. [2019-09-08 11:37:25,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-08 11:37:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 152 transitions. [2019-09-08 11:37:25,096 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 152 transitions. Word has length 61 [2019-09-08 11:37:25,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:25,096 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 152 transitions. [2019-09-08 11:37:25,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:37:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 152 transitions. [2019-09-08 11:37:25,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-08 11:37:25,097 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:25,097 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] [2019-09-08 11:37:25,097 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:25,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:25,097 INFO L82 PathProgramCache]: Analyzing trace with hash 853354510, now seen corresponding path program 1 times [2019-09-08 11:37:25,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:25,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:25,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:25,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:25,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:25,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:25,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:25,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2019-09-08 11:37:25,883 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-08 11:37:25,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-08 11:37:25,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:37:25,884 INFO L87 Difference]: Start difference. First operand 128 states and 152 transitions. Second operand 20 states. [2019-09-08 11:37:26,018 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2019-09-08 11:37:28,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:28,503 INFO L93 Difference]: Finished difference Result 302 states and 391 transitions. [2019-09-08 11:37:28,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 11:37:28,505 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 62 [2019-09-08 11:37:28,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:28,506 INFO L225 Difference]: With dead ends: 302 [2019-09-08 11:37:28,506 INFO L226 Difference]: Without dead ends: 282 [2019-09-08 11:37:28,507 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2019-09-08 11:37:28,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2019-09-08 11:37:28,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 108. [2019-09-08 11:37:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-09-08 11:37:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 132 transitions. [2019-09-08 11:37:28,528 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 132 transitions. Word has length 62 [2019-09-08 11:37:28,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:28,529 INFO L475 AbstractCegarLoop]: Abstraction has 108 states and 132 transitions. [2019-09-08 11:37:28,529 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-08 11:37:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 132 transitions. [2019-09-08 11:37:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:37:28,530 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:28,530 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:28,530 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:28,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:28,531 INFO L82 PathProgramCache]: Analyzing trace with hash -48178293, now seen corresponding path program 1 times [2019-09-08 11:37:28,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:28,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:28,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:28,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:28,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:28,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:28,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:28,594 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:28,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:28,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:28,595 INFO L87 Difference]: Start difference. First operand 108 states and 132 transitions. Second operand 3 states. [2019-09-08 11:37:28,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:28,669 INFO L93 Difference]: Finished difference Result 190 states and 250 transitions. [2019-09-08 11:37:28,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:28,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-08 11:37:28,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:28,671 INFO L225 Difference]: With dead ends: 190 [2019-09-08 11:37:28,671 INFO L226 Difference]: Without dead ends: 147 [2019-09-08 11:37:28,672 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:28,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-09-08 11:37:28,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2019-09-08 11:37:28,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-09-08 11:37:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 185 transitions. [2019-09-08 11:37:28,718 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 185 transitions. Word has length 79 [2019-09-08 11:37:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:28,718 INFO L475 AbstractCegarLoop]: Abstraction has 145 states and 185 transitions. [2019-09-08 11:37:28,718 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 185 transitions. [2019-09-08 11:37:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:37:28,720 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:28,720 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:28,720 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:28,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:28,721 INFO L82 PathProgramCache]: Analyzing trace with hash 279854363, now seen corresponding path program 1 times [2019-09-08 11:37:28,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:28,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:28,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:28,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:28,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:28,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:28,770 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:28,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:28,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:28,770 INFO L87 Difference]: Start difference. First operand 145 states and 185 transitions. Second operand 3 states. [2019-09-08 11:37:28,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:28,853 INFO L93 Difference]: Finished difference Result 295 states and 399 transitions. [2019-09-08 11:37:28,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:28,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-08 11:37:28,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:28,857 INFO L225 Difference]: With dead ends: 295 [2019-09-08 11:37:28,857 INFO L226 Difference]: Without dead ends: 215 [2019-09-08 11:37:28,858 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:28,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2019-09-08 11:37:28,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2019-09-08 11:37:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-09-08 11:37:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 280 transitions. [2019-09-08 11:37:28,912 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 280 transitions. Word has length 81 [2019-09-08 11:37:28,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:28,912 INFO L475 AbstractCegarLoop]: Abstraction has 213 states and 280 transitions. [2019-09-08 11:37:28,912 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 280 transitions. [2019-09-08 11:37:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:37:28,913 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:28,913 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:28,913 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:28,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:28,914 INFO L82 PathProgramCache]: Analyzing trace with hash 346347875, now seen corresponding path program 1 times [2019-09-08 11:37:28,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:28,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:28,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:28,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:28,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:28,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:28,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:28,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:28,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:28,964 INFO L87 Difference]: Start difference. First operand 213 states and 280 transitions. Second operand 3 states. [2019-09-08 11:37:29,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:29,072 INFO L93 Difference]: Finished difference Result 438 states and 599 transitions. [2019-09-08 11:37:29,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:29,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-08 11:37:29,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:29,074 INFO L225 Difference]: With dead ends: 438 [2019-09-08 11:37:29,074 INFO L226 Difference]: Without dead ends: 290 [2019-09-08 11:37:29,074 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:29,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2019-09-08 11:37:29,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 288. [2019-09-08 11:37:29,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2019-09-08 11:37:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 385 transitions. [2019-09-08 11:37:29,167 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 385 transitions. Word has length 81 [2019-09-08 11:37:29,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:29,167 INFO L475 AbstractCegarLoop]: Abstraction has 288 states and 385 transitions. [2019-09-08 11:37:29,167 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:29,168 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 385 transitions. [2019-09-08 11:37:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:37:29,168 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:29,169 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:29,169 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:29,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:29,169 INFO L82 PathProgramCache]: Analyzing trace with hash 365336372, now seen corresponding path program 1 times [2019-09-08 11:37:29,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:29,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:29,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:29,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:29,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:29,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:29,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:29,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:37:29,258 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:37:29,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:37:29,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:29,259 INFO L87 Difference]: Start difference. First operand 288 states and 385 transitions. Second operand 7 states. [2019-09-08 11:37:29,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:29,885 INFO L93 Difference]: Finished difference Result 1216 states and 1685 transitions. [2019-09-08 11:37:29,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:37:29,887 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2019-09-08 11:37:29,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:29,892 INFO L225 Difference]: With dead ends: 1216 [2019-09-08 11:37:29,892 INFO L226 Difference]: Without dead ends: 993 [2019-09-08 11:37:29,893 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:29,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2019-09-08 11:37:30,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 569. [2019-09-08 11:37:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2019-09-08 11:37:30,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 784 transitions. [2019-09-08 11:37:30,078 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 784 transitions. Word has length 81 [2019-09-08 11:37:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:30,078 INFO L475 AbstractCegarLoop]: Abstraction has 569 states and 784 transitions. [2019-09-08 11:37:30,078 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:37:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 784 transitions. [2019-09-08 11:37:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:37:30,079 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:30,080 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:30,080 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:30,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:30,080 INFO L82 PathProgramCache]: Analyzing trace with hash 980014388, now seen corresponding path program 1 times [2019-09-08 11:37:30,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:30,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:30,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:30,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:30,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:30,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:30,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:37:30,161 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:37:30,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:37:30,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:30,164 INFO L87 Difference]: Start difference. First operand 569 states and 784 transitions. Second operand 7 states. [2019-09-08 11:37:30,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:30,927 INFO L93 Difference]: Finished difference Result 2020 states and 2838 transitions. [2019-09-08 11:37:30,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:37:30,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2019-09-08 11:37:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:30,933 INFO L225 Difference]: With dead ends: 2020 [2019-09-08 11:37:30,934 INFO L226 Difference]: Without dead ends: 1516 [2019-09-08 11:37:30,935 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:30,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2019-09-08 11:37:31,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 963. [2019-09-08 11:37:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-09-08 11:37:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1342 transitions. [2019-09-08 11:37:31,218 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1342 transitions. Word has length 81 [2019-09-08 11:37:31,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:31,218 INFO L475 AbstractCegarLoop]: Abstraction has 963 states and 1342 transitions. [2019-09-08 11:37:31,218 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:37:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1342 transitions. [2019-09-08 11:37:31,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:37:31,219 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:31,220 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:31,220 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:31,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:31,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1086450892, now seen corresponding path program 1 times [2019-09-08 11:37:31,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:31,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:31,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:31,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:31,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:31,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:31,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:37:31,292 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:37:31,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:37:31,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:31,293 INFO L87 Difference]: Start difference. First operand 963 states and 1342 transitions. Second operand 7 states. [2019-09-08 11:37:32,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:32,211 INFO L93 Difference]: Finished difference Result 2967 states and 4138 transitions. [2019-09-08 11:37:32,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:37:32,212 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2019-09-08 11:37:32,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:32,218 INFO L225 Difference]: With dead ends: 2967 [2019-09-08 11:37:32,218 INFO L226 Difference]: Without dead ends: 2069 [2019-09-08 11:37:32,221 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:32,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2019-09-08 11:37:32,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 1229. [2019-09-08 11:37:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1229 states. [2019-09-08 11:37:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1690 transitions. [2019-09-08 11:37:32,770 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1690 transitions. Word has length 81 [2019-09-08 11:37:32,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:32,770 INFO L475 AbstractCegarLoop]: Abstraction has 1229 states and 1690 transitions. [2019-09-08 11:37:32,770 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:37:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1690 transitions. [2019-09-08 11:37:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-08 11:37:32,771 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:32,771 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:32,772 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:32,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:32,772 INFO L82 PathProgramCache]: Analyzing trace with hash 158803972, now seen corresponding path program 1 times [2019-09-08 11:37:32,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:32,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:32,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:32,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:32,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:32,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:32,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:32,820 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:32,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:32,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:32,821 INFO L87 Difference]: Start difference. First operand 1229 states and 1690 transitions. Second operand 3 states. [2019-09-08 11:37:33,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:33,184 INFO L93 Difference]: Finished difference Result 2290 states and 3154 transitions. [2019-09-08 11:37:33,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:33,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2019-09-08 11:37:33,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:33,188 INFO L225 Difference]: With dead ends: 2290 [2019-09-08 11:37:33,188 INFO L226 Difference]: Without dead ends: 1126 [2019-09-08 11:37:33,190 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:33,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2019-09-08 11:37:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 916. [2019-09-08 11:37:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2019-09-08 11:37:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1231 transitions. [2019-09-08 11:37:33,503 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1231 transitions. Word has length 82 [2019-09-08 11:37:33,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:33,504 INFO L475 AbstractCegarLoop]: Abstraction has 916 states and 1231 transitions. [2019-09-08 11:37:33,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1231 transitions. [2019-09-08 11:37:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 11:37:33,505 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:33,505 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:33,505 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:33,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:33,506 INFO L82 PathProgramCache]: Analyzing trace with hash -205212407, now seen corresponding path program 1 times [2019-09-08 11:37:33,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:33,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:33,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:33,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:33,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:33,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:33,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:33,554 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:33,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:33,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:33,554 INFO L87 Difference]: Start difference. First operand 916 states and 1231 transitions. Second operand 3 states. [2019-09-08 11:37:33,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:33,965 INFO L93 Difference]: Finished difference Result 2117 states and 2856 transitions. [2019-09-08 11:37:33,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:33,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-09-08 11:37:33,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:33,970 INFO L225 Difference]: With dead ends: 2117 [2019-09-08 11:37:33,970 INFO L226 Difference]: Without dead ends: 1266 [2019-09-08 11:37:33,971 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:33,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2019-09-08 11:37:34,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1150. [2019-09-08 11:37:34,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2019-09-08 11:37:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1531 transitions. [2019-09-08 11:37:34,369 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1531 transitions. Word has length 83 [2019-09-08 11:37:34,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:34,370 INFO L475 AbstractCegarLoop]: Abstraction has 1150 states and 1531 transitions. [2019-09-08 11:37:34,370 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1531 transitions. [2019-09-08 11:37:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 11:37:34,371 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:34,371 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:34,371 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:34,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:34,372 INFO L82 PathProgramCache]: Analyzing trace with hash 469836024, now seen corresponding path program 1 times [2019-09-08 11:37:34,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:34,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:34,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:34,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:34,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:34,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:34,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:34,519 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:34,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:34,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:34,520 INFO L87 Difference]: Start difference. First operand 1150 states and 1531 transitions. Second operand 5 states. [2019-09-08 11:37:35,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:35,204 INFO L93 Difference]: Finished difference Result 2968 states and 3996 transitions. [2019-09-08 11:37:35,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:35,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2019-09-08 11:37:35,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:35,210 INFO L225 Difference]: With dead ends: 2968 [2019-09-08 11:37:35,211 INFO L226 Difference]: Without dead ends: 1883 [2019-09-08 11:37:35,213 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:35,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1883 states. [2019-09-08 11:37:35,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1883 to 1879. [2019-09-08 11:37:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1879 states. [2019-09-08 11:37:35,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2502 transitions. [2019-09-08 11:37:35,933 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2502 transitions. Word has length 84 [2019-09-08 11:37:35,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:35,933 INFO L475 AbstractCegarLoop]: Abstraction has 1879 states and 2502 transitions. [2019-09-08 11:37:35,933 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:35,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2502 transitions. [2019-09-08 11:37:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 11:37:35,934 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:35,934 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:35,934 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:35,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:35,935 INFO L82 PathProgramCache]: Analyzing trace with hash 2066603833, now seen corresponding path program 1 times [2019-09-08 11:37:35,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:35,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:35,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:35,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:35,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:36,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:36,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:36,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:37:36,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:37:36,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:37:36,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:37:36,012 INFO L87 Difference]: Start difference. First operand 1879 states and 2502 transitions. Second operand 6 states. [2019-09-08 11:37:36,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:36,963 INFO L93 Difference]: Finished difference Result 2586 states and 3423 transitions. [2019-09-08 11:37:36,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:37:36,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-09-08 11:37:36,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:36,971 INFO L225 Difference]: With dead ends: 2586 [2019-09-08 11:37:36,971 INFO L226 Difference]: Without dead ends: 2584 [2019-09-08 11:37:36,972 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:37:36,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2584 states. [2019-09-08 11:37:37,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2584 to 1897. [2019-09-08 11:37:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2019-09-08 11:37:37,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2510 transitions. [2019-09-08 11:37:37,600 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2510 transitions. Word has length 84 [2019-09-08 11:37:37,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:37,600 INFO L475 AbstractCegarLoop]: Abstraction has 1897 states and 2510 transitions. [2019-09-08 11:37:37,600 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:37:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2510 transitions. [2019-09-08 11:37:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 11:37:37,601 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:37,602 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:37,602 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:37,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:37,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1575114626, now seen corresponding path program 1 times [2019-09-08 11:37:37,602 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:37,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:37,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:37,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:37,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-08 11:37:37,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:37,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:37,688 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:37,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:37,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:37,689 INFO L87 Difference]: Start difference. First operand 1897 states and 2510 transitions. Second operand 5 states. [2019-09-08 11:37:38,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:38,844 INFO L93 Difference]: Finished difference Result 4962 states and 6573 transitions. [2019-09-08 11:37:38,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:38,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2019-09-08 11:37:38,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:38,854 INFO L225 Difference]: With dead ends: 4962 [2019-09-08 11:37:38,854 INFO L226 Difference]: Without dead ends: 3130 [2019-09-08 11:37:38,857 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:37:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3130 states. [2019-09-08 11:37:39,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3130 to 2502. [2019-09-08 11:37:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2502 states. [2019-09-08 11:37:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3319 transitions. [2019-09-08 11:37:39,641 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3319 transitions. Word has length 105 [2019-09-08 11:37:39,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:39,641 INFO L475 AbstractCegarLoop]: Abstraction has 2502 states and 3319 transitions. [2019-09-08 11:37:39,641 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3319 transitions. [2019-09-08 11:37:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 11:37:39,643 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:39,643 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:39,643 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:39,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:39,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1268065406, now seen corresponding path program 1 times [2019-09-08 11:37:39,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:39,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:39,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:39,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:39,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:39,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:39,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:37:39,713 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:37:39,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:37:39,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:39,713 INFO L87 Difference]: Start difference. First operand 2502 states and 3319 transitions. Second operand 3 states. [2019-09-08 11:37:40,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:40,774 INFO L93 Difference]: Finished difference Result 4507 states and 5986 transitions. [2019-09-08 11:37:40,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:37:40,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2019-09-08 11:37:40,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:40,783 INFO L225 Difference]: With dead ends: 4507 [2019-09-08 11:37:40,784 INFO L226 Difference]: Without dead ends: 2781 [2019-09-08 11:37:40,787 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:37:40,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2019-09-08 11:37:41,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2711. [2019-09-08 11:37:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2711 states. [2019-09-08 11:37:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2711 states and 3565 transitions. [2019-09-08 11:37:41,702 INFO L78 Accepts]: Start accepts. Automaton has 2711 states and 3565 transitions. Word has length 105 [2019-09-08 11:37:41,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:41,703 INFO L475 AbstractCegarLoop]: Abstraction has 2711 states and 3565 transitions. [2019-09-08 11:37:41,703 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:37:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3565 transitions. [2019-09-08 11:37:41,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-08 11:37:41,704 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:41,704 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:41,704 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:41,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:41,704 INFO L82 PathProgramCache]: Analyzing trace with hash -602099539, now seen corresponding path program 1 times [2019-09-08 11:37:41,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:41,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:41,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:41,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:41,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:41,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-08 11:37:41,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:37:41,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:37:41,799 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:37:41,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:37:41,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:37:41,800 INFO L87 Difference]: Start difference. First operand 2711 states and 3565 transitions. Second operand 5 states. [2019-09-08 11:37:44,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:44,135 INFO L93 Difference]: Finished difference Result 9281 states and 12183 transitions. [2019-09-08 11:37:44,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:37:44,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2019-09-08 11:37:44,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:44,162 INFO L225 Difference]: With dead ends: 9281 [2019-09-08 11:37:44,162 INFO L226 Difference]: Without dead ends: 6638 [2019-09-08 11:37:44,168 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:37:44,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6638 states. [2019-09-08 11:37:45,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6638 to 4005. [2019-09-08 11:37:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4005 states. [2019-09-08 11:37:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4005 states to 4005 states and 5249 transitions. [2019-09-08 11:37:45,542 INFO L78 Accepts]: Start accepts. Automaton has 4005 states and 5249 transitions. Word has length 106 [2019-09-08 11:37:45,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:45,542 INFO L475 AbstractCegarLoop]: Abstraction has 4005 states and 5249 transitions. [2019-09-08 11:37:45,542 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:37:45,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4005 states and 5249 transitions. [2019-09-08 11:37:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-08 11:37:45,543 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:45,544 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:45,544 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:45,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:45,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1626402477, now seen corresponding path program 1 times [2019-09-08 11:37:45,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:45,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:45,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:45,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:45,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:45,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:37:45,827 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 11:37:45,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:37:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:46,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 11:37:46,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:37:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-08 11:37:46,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 11:37:46,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2019-09-08 11:37:46,175 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 11:37:46,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 11:37:46,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:37:46,176 INFO L87 Difference]: Start difference. First operand 4005 states and 5249 transitions. Second operand 15 states. [2019-09-08 11:37:47,639 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2019-09-08 11:37:48,853 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-08 11:37:51,187 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-09-08 11:37:51,387 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2019-09-08 11:37:56,334 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2019-09-08 11:37:57,679 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-09-08 11:38:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:38:11,766 INFO L93 Difference]: Finished difference Result 40921 states and 52656 transitions. [2019-09-08 11:38:11,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2019-09-08 11:38:11,767 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 106 [2019-09-08 11:38:11,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:38:11,851 INFO L225 Difference]: With dead ends: 40921 [2019-09-08 11:38:11,852 INFO L226 Difference]: Without dead ends: 36984 [2019-09-08 11:38:11,877 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5278 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=2742, Invalid=10830, Unknown=0, NotChecked=0, Total=13572 [2019-09-08 11:38:11,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36984 states. [2019-09-08 11:38:17,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36984 to 13519. [2019-09-08 11:38:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13519 states. [2019-09-08 11:38:17,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13519 states to 13519 states and 17653 transitions. [2019-09-08 11:38:17,824 INFO L78 Accepts]: Start accepts. Automaton has 13519 states and 17653 transitions. Word has length 106 [2019-09-08 11:38:17,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:38:17,824 INFO L475 AbstractCegarLoop]: Abstraction has 13519 states and 17653 transitions. [2019-09-08 11:38:17,824 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 11:38:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 13519 states and 17653 transitions. [2019-09-08 11:38:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-08 11:38:17,828 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:38:17,828 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:38:17,828 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:38:17,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:38:17,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1691078651, now seen corresponding path program 1 times [2019-09-08 11:38:17,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:38:17,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:38:17,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:38:17,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:38:17,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:38:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:38:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-08 11:38:17,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:38:17,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:38:17,965 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:38:17,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:38:17,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:38:17,966 INFO L87 Difference]: Start difference. First operand 13519 states and 17653 transitions. Second operand 9 states. [2019-09-08 11:38:25,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:38:25,566 INFO L93 Difference]: Finished difference Result 32747 states and 42704 transitions. [2019-09-08 11:38:25,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 11:38:25,566 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2019-09-08 11:38:25,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:38:25,603 INFO L225 Difference]: With dead ends: 32747 [2019-09-08 11:38:25,603 INFO L226 Difference]: Without dead ends: 19294 [2019-09-08 11:38:25,626 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:38:25,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19294 states. [2019-09-08 11:38:30,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19294 to 13519. [2019-09-08 11:38:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13519 states. [2019-09-08 11:38:30,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13519 states to 13519 states and 17651 transitions. [2019-09-08 11:38:30,697 INFO L78 Accepts]: Start accepts. Automaton has 13519 states and 17651 transitions. Word has length 108 [2019-09-08 11:38:30,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:38:30,697 INFO L475 AbstractCegarLoop]: Abstraction has 13519 states and 17651 transitions. [2019-09-08 11:38:30,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:38:30,697 INFO L276 IsEmpty]: Start isEmpty. Operand 13519 states and 17651 transitions. [2019-09-08 11:38:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-08 11:38:30,700 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:38:30,700 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:38:30,701 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:38:30,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:38:30,701 INFO L82 PathProgramCache]: Analyzing trace with hash -519527990, now seen corresponding path program 1 times [2019-09-08 11:38:30,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:38:30,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:38:30,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:38:30,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:38:30,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:38:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:38:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:38:31,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:38:31,025 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:38:31,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:38:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:38:31,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 20 conjunts are in the unsatisfiable core [2019-09-08 11:38:31,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:38:31,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:38:31,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:38:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:38:31,909 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:38:31,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2019-09-08 11:38:31,909 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:38:31,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:38:31,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:38:31,912 INFO L87 Difference]: Start difference. First operand 13519 states and 17651 transitions. Second operand 18 states. [2019-09-08 11:38:32,799 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-08 11:38:33,196 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-08 11:38:33,628 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-08 11:38:33,870 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-08 11:38:34,037 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:38:34,295 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-08 11:38:34,694 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-08 11:38:35,003 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-08 11:38:35,174 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:38:35,471 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-08 11:38:35,702 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-08 11:38:35,874 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-08 11:38:36,165 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:38:36,569 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-08 11:38:36,817 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-08 11:38:37,106 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-08 11:38:37,304 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-08 11:38:37,720 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-08 11:38:38,151 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:38:39,221 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-08 11:38:39,809 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-08 11:38:40,090 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-08 11:38:40,257 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-08 11:38:40,705 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-08 11:38:42,736 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:38:42,917 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-08 11:38:43,280 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-08 11:38:43,710 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:38:43,976 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-08 11:38:44,202 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:38:44,418 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-08 11:38:44,651 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-08 11:38:44,999 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:38:45,235 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-08 11:38:45,654 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-08 11:38:46,089 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-08 11:38:46,463 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:38:46,666 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-08 11:39:15,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:39:15,330 INFO L93 Difference]: Finished difference Result 83481 states and 107913 transitions. [2019-09-08 11:39:15,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2019-09-08 11:39:15,331 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 110 [2019-09-08 11:39:15,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:39:15,415 INFO L225 Difference]: With dead ends: 83481 [2019-09-08 11:39:15,415 INFO L226 Difference]: Without dead ends: 70048 [2019-09-08 11:39:15,454 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=924, Invalid=3366, Unknown=0, NotChecked=0, Total=4290 [2019-09-08 11:39:15,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70048 states. [2019-09-08 11:39:30,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70048 to 33665. [2019-09-08 11:39:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33665 states. [2019-09-08 11:39:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33665 states to 33665 states and 43827 transitions. [2019-09-08 11:39:30,526 INFO L78 Accepts]: Start accepts. Automaton has 33665 states and 43827 transitions. Word has length 110 [2019-09-08 11:39:30,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:39:30,526 INFO L475 AbstractCegarLoop]: Abstraction has 33665 states and 43827 transitions. [2019-09-08 11:39:30,526 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:39:30,526 INFO L276 IsEmpty]: Start isEmpty. Operand 33665 states and 43827 transitions. [2019-09-08 11:39:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-08 11:39:30,531 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:39:30,531 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:39:30,532 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:39:30,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:39:30,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1794514331, now seen corresponding path program 1 times [2019-09-08 11:39:30,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:39:30,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:39:30,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:39:30,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:39:30,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:39:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:39:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:39:30,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:39:30,848 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) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:39:30,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:39:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:39:31,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-08 11:39:31,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:39:31,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:39:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 11:39:31,601 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:39:31,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2019-09-08 11:39:31,601 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-08 11:39:31,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-08 11:39:31,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:39:31,602 INFO L87 Difference]: Start difference. First operand 33665 states and 43827 transitions. Second operand 26 states. [2019-09-08 11:39:32,172 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-09-08 11:39:33,278 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-08 11:39:33,467 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:39:33,799 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 11:39:34,141 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-08 11:39:34,429 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-08 11:39:34,827 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-08 11:39:35,104 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-08 11:39:35,289 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:39:35,618 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-08 11:39:35,869 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-08 11:39:36,187 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:39:36,473 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:39:36,721 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:39:37,025 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:39:37,187 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:39:37,393 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:39:37,793 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:39:37,993 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:39:38,837 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:39:39,679 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-08 11:39:40,054 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:39:40,246 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-08 11:39:40,822 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:39:41,058 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 11:39:41,598 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:39:41,835 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:39:42,017 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:39:42,503 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-08 11:39:42,684 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:39:43,607 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 11:39:43,889 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:39:44,126 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:39:44,386 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:39:44,538 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:39:44,895 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-08 11:39:45,227 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:39:45,668 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:39:45,966 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 11:39:46,229 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:39:46,576 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-08 11:39:47,008 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-08 11:39:47,255 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-08 11:39:47,573 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:39:47,806 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:39:48,087 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:39:48,293 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:39:50,293 WARN L188 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 11:39:50,595 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:39:51,029 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-08 11:39:51,236 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:39:51,443 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:39:51,806 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 11:39:52,108 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:39:52,906 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 11:39:53,277 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:39:53,491 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:39:53,755 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 11:39:54,039 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 11:39:54,466 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 11:39:54,681 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 11:39:54,872 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:39:55,158 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-08 11:39:55,377 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:39:55,840 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-08 11:39:56,482 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 11:39:56,851 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 11:39:57,129 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:39:57,425 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 11:39:57,794 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-08 11:39:57,988 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 11:39:58,186 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:39:58,644 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 11:39:58,842 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 11:39:59,008 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 11:39:59,740 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-08 11:40:00,022 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-08 11:40:00,274 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-08 11:40:00,794 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:40:01,176 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:40:01,458 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 11:40:01,835 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 11:40:02,333 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 11:40:03,009 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:40:03,548 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-08 11:40:06,116 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 11:40:06,370 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-09-08 11:40:06,666 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:40:06,910 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 11:40:07,404 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 11:40:08,128 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:40:08,735 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:40:08,905 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:40:09,361 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:40:09,786 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:40:10,269 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 11:40:10,488 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:40:10,696 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:40:11,166 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-08 11:40:11,656 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:40:12,007 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:40:12,251 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-08 11:40:12,534 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-08 11:40:13,028 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 11:40:13,355 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:40:13,711 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 11:40:14,032 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 11:40:14,742 WARN L188 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-08 11:40:15,179 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:40:15,552 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:40:16,062 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 11:40:16,316 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-09-08 11:40:16,841 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 11:40:17,032 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-08 11:40:17,317 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-08 11:40:18,273 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-08 11:40:18,570 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-08 11:40:18,728 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-08 11:40:18,966 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-08 11:40:19,529 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:40:19,906 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:40:20,266 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 11:40:20,452 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:40:20,907 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:40:21,517 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-08 11:40:21,852 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:40:22,232 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:40:22,558 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 11:40:22,790 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-08 11:40:23,150 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:40:23,453 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 11:40:23,810 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:40:24,040 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-09-08 11:40:24,250 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 11:40:24,831 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:40:25,098 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 11:40:25,341 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:40:25,574 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-09-08 11:40:26,231 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 11:40:26,507 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 11:40:26,846 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 11:40:27,057 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 11:40:27,254 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:40:27,753 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:40:28,400 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:40:30,672 WARN L188 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-08 11:40:30,859 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-09-08 11:40:31,212 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-08 11:40:33,721 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-08 11:40:33,920 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-08 11:40:34,094 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-08 11:40:34,442 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:40:34,771 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:40:35,022 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:40:35,345 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:40:35,585 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:40:35,966 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:40:36,311 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:40:36,774 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:40:37,126 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:40:37,606 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 11:40:37,929 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:40:38,185 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:40:38,373 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:40:38,551 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 11:40:38,777 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:40:39,100 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-08 11:40:39,469 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:40:39,804 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-08 11:40:40,060 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:40:40,302 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:40:40,570 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-09-08 11:40:40,885 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:40:41,287 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 11:40:41,586 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:40:41,870 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-08 11:40:42,073 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-08 11:40:42,497 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 11:40:43,168 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-08 11:40:43,392 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 11:40:43,579 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:40:44,018 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-08 11:40:44,253 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:40:44,465 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-08 11:40:44,643 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-08 11:40:44,928 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:40:45,163 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-08 11:40:45,384 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:40:46,358 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:40:47,908 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:40:49,114 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 11:40:49,589 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-08 11:40:49,785 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-08 11:40:50,198 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-08 11:40:50,875 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 11:40:51,111 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-08 11:40:51,358 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-08 11:40:51,699 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:40:51,906 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:40:52,073 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:40:52,372 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:40:52,746 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-08 11:40:53,209 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:40:53,629 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-08 11:40:53,934 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 11:40:54,135 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-08 11:40:54,470 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-08 11:40:54,745 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-08 11:40:54,968 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:40:55,267 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:40:55,515 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:40:56,291 WARN L188 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:40:56,585 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:40:56,832 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:40:57,109 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 11:40:57,365 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:40:57,665 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-08 11:40:57,946 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-08 11:40:58,233 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 11:40:58,573 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:40:58,847 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:40:59,069 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 11:40:59,245 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 11:40:59,806 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 11:41:00,751 WARN L188 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-09-08 11:41:01,297 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:41:01,577 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 11:41:01,764 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:41:02,700 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-08 11:41:03,014 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-08 11:41:03,699 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:41:03,961 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:41:04,186 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-08 11:41:04,873 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-08 11:41:05,212 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 11:41:05,487 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-08 11:41:05,739 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-08 11:41:06,223 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 11:41:06,412 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-08 11:41:06,719 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:41:07,005 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:41:07,442 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:41:07,825 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:41:08,061 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 11:41:08,313 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:41:08,623 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-08 11:41:08,863 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:41:09,117 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-08 11:41:09,326 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:41:09,569 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-08 11:41:09,806 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:41:10,051 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:41:10,596 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:11,043 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:41:11,552 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 11:41:12,293 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:41:17,841 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-08 11:41:19,017 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 11:41:19,248 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 11:41:19,508 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-08 11:41:20,021 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:41:21,092 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:41:21,299 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:41:22,346 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-08 11:41:22,530 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-08 11:41:23,004 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:41:23,245 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-08 11:41:24,028 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 11:41:24,348 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:41:24,566 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:41:24,736 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:41:25,829 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:41:26,452 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:41:26,742 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:41:27,231 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-08 11:41:27,816 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:41:28,224 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:41:28,546 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-08 11:41:29,394 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:41:29,677 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:41:29,935 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-08 11:41:30,187 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:41:30,412 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:41:30,697 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:41:31,056 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:41:31,261 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:41:31,781 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-08 11:41:32,248 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:41:32,471 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:41:32,805 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-08 11:41:33,155 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-09-08 11:41:33,449 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:41:33,673 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:41:34,191 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 11:41:34,433 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:41:34,710 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:41:35,140 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:41:35,425 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 11:41:35,703 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:41:36,088 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:41:37,021 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:41:38,929 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:41:39,401 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-08 11:41:39,645 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:41:39,882 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:41:40,159 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:41:40,382 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:41:40,709 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:41:41,471 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 11:41:41,730 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-08 11:41:41,966 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:41:43,002 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:41:43,215 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:41:43,688 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:41:43,943 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-08 11:41:44,189 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:41:44,420 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-08 11:41:44,922 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-08 11:41:45,351 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:41:46,199 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-08 11:41:47,266 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-08 11:41:48,807 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:41:50,730 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:41:51,333 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:41:51,560 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:41:51,936 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 11:41:52,643 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:41:52,916 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:41:53,225 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:41:53,475 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 11:41:54,081 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:41:54,751 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-08 11:41:56,518 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 11:41:56,773 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:41:57,204 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 11:41:57,397 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:41:57,869 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 11:41:58,753 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:42:00,138 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:42:00,809 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-08 11:42:02,056 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-08 11:42:05,544 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-08 11:42:07,658 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-08 11:42:08,677 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:42:09,483 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-08 11:42:09,710 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-08 11:42:12,354 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-08 11:42:12,691 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-09-08 11:42:14,579 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-08 11:42:14,852 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-08 11:42:15,651 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:42:15,900 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:42:17,474 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 11:42:26,502 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-09-08 11:45:15,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:45:15,815 INFO L93 Difference]: Finished difference Result 407202 states and 516607 transitions. [2019-09-08 11:45:15,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 618 states. [2019-09-08 11:45:15,815 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 110 [2019-09-08 11:45:15,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:45:16,319 INFO L225 Difference]: With dead ends: 407202 [2019-09-08 11:45:16,320 INFO L226 Difference]: Without dead ends: 377051 [2019-09-08 11:45:16,449 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 639 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201306 ImplicationChecksByTransitivity, 119.9s TimeCoverageRelationStatistics Valid=37095, Invalid=373145, Unknown=0, NotChecked=0, Total=410240 [2019-09-08 11:45:16,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377051 states. [2019-09-08 11:46:07,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377051 to 89905. [2019-09-08 11:46:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89905 states. [2019-09-08 11:46:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89905 states to 89905 states and 116591 transitions. [2019-09-08 11:46:07,859 INFO L78 Accepts]: Start accepts. Automaton has 89905 states and 116591 transitions. Word has length 110 [2019-09-08 11:46:07,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:46:07,860 INFO L475 AbstractCegarLoop]: Abstraction has 89905 states and 116591 transitions. [2019-09-08 11:46:07,860 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-09-08 11:46:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 89905 states and 116591 transitions. [2019-09-08 11:46:07,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-08 11:46:07,868 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:46:07,869 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:46:07,869 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:46:07,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:46:07,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1128252235, now seen corresponding path program 1 times [2019-09-08 11:46:07,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:46:07,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:46:07,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:46:07,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:46:07,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:46:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:46:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:46:08,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:46:08,216 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) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:46:08,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:46:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:46:08,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 29 conjunts are in the unsatisfiable core [2019-09-08 11:46:08,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:46:08,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:46:09,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:46:09,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:46:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:46:09,822 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:46:09,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2019-09-08 11:46:09,823 INFO L454 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-09-08 11:46:09,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-09-08 11:46:09,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2019-09-08 11:46:09,824 INFO L87 Difference]: Start difference. First operand 89905 states and 116591 transitions. Second operand 31 states. [2019-09-08 11:46:10,714 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-08 11:46:11,116 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-08 11:46:12,395 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-08 11:46:15,345 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2019-09-08 11:46:16,808 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-08 11:46:20,143 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:46:23,139 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:46:24,266 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:46:25,173 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-08 11:46:26,394 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:46:27,353 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-08 11:46:33,025 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:46:35,809 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:46:45,713 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:46:48,277 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:46:53,866 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:46:57,230 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:47:07,707 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:47:14,308 WARN L188 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:47:16,709 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-08 11:47:22,024 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-08 11:47:23,508 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-08 11:47:28,465 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:47:31,171 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:47:36,458 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:47:37,993 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-08 11:47:40,224 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:47:40,826 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:47:42,664 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:47:43,047 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-08 11:47:44,454 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:47:46,987 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:47:49,219 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-08 11:47:51,597 WARN L188 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:47:52,284 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:47:57,558 WARN L188 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:47:57,866 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:48:04,673 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:48:06,693 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 11:48:09,947 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:48:10,297 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 11:48:11,720 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:48:13,683 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:48:16,315 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 11:48:16,673 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 11:48:18,507 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 40 [2019-09-08 11:48:21,894 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-09-08 11:48:22,576 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-08 11:48:25,318 WARN L188 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:48:26,829 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:48:28,331 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-09-08 11:48:30,367 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-08 11:48:32,492 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:48:35,391 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:48:38,812 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-09-08 11:48:39,428 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-08 11:48:40,474 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:48:42,936 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-08 11:48:47,261 WARN L188 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:48:48,147 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-08 11:48:50,328 WARN L188 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-08 11:48:50,913 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-08 11:48:54,614 WARN L188 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:49:06,519 WARN L188 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 11:49:10,279 WARN L188 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:49:10,924 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-08 11:49:16,306 WARN L188 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:49:22,493 WARN L188 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 11:49:24,712 WARN L188 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:49:27,301 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-08 11:49:27,998 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:49:28,918 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:49:29,835 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-08 11:49:31,914 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-08 11:49:34,185 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-08 11:49:38,115 WARN L188 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 11:49:41,741 WARN L188 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 11:49:48,009 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:49:50,579 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-08 11:49:57,283 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-09-08 11:50:04,654 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-08 11:50:06,217 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-08 11:50:10,618 WARN L188 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:50:14,452 WARN L188 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-08 11:50:15,539 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:50:20,547 WARN L188 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 11:50:23,197 WARN L188 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:50:25,112 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:50:30,032 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-08 11:50:33,764 WARN L188 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 11:50:36,750 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-08 11:50:40,520 WARN L188 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 69 DAG size of output: 62