java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:28:11,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:28:11,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:28:11,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:28:11,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:28:11,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:28:11,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:28:11,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:28:11,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:28:11,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:28:11,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:28:11,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:28:11,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:28:11,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:28:11,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:28:11,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:28:11,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:28:11,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:28:11,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:28:11,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:28:11,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:28:11,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:28:11,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:28:11,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:28:11,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:28:11,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:28:11,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:28:11,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:28:11,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:28:11,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:28:11,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:28:11,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:28:11,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:28:11,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:28:11,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:28:11,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:28:11,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:28:11,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:28:11,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:28:11,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:28:11,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:28:11,463 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 [2019-09-20 17:28:11,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:28:11,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:28:11,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:28:11,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:28:11,490 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:28:11,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:28:11,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:28:11,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:28:11,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:28:11,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:28:11,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:28:11,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:28:11,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:28:11,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:28:11,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:28:11,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:28:11,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:28:11,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:28:11,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:28:11,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:28:11,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:28:11,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:28:11,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:28:11,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:28:11,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:28:11,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:28:11,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:28:11,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:28:11,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:28:11,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:28:11,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:28:11,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:28:11,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:28:11,575 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:28:11,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-20 17:28:11,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e471ab4/1260cefaa5f5476da4e2aa97a7813d25/FLAGb0d342b00 [2019-09-20 17:28:12,160 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:28:12,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-20 17:28:12,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e471ab4/1260cefaa5f5476da4e2aa97a7813d25/FLAGb0d342b00 [2019-09-20 17:28:12,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e471ab4/1260cefaa5f5476da4e2aa97a7813d25 [2019-09-20 17:28:12,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:28:12,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:28:12,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:12,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:28:12,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:28:12,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:12" (1/1) ... [2019-09-20 17:28:12,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6ce21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:12, skipping insertion in model container [2019-09-20 17:28:12,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:12" (1/1) ... [2019-09-20 17:28:12,504 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:28:12,546 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:28:12,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:12,977 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:28:13,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:13,083 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:28:13,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:13 WrapperNode [2019-09-20 17:28:13,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:13,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:28:13,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:28:13,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:28:13,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:13" (1/1) ... [2019-09-20 17:28:13,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:13" (1/1) ... [2019-09-20 17:28:13,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:13" (1/1) ... [2019-09-20 17:28:13,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:13" (1/1) ... [2019-09-20 17:28:13,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:13" (1/1) ... [2019-09-20 17:28:13,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:13" (1/1) ... [2019-09-20 17:28:13,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:13" (1/1) ... [2019-09-20 17:28:13,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:28:13,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:28:13,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:28:13,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:28:13,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:13" (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 [2019-09-20 17:28:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:28:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:28:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:28:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:28:13,210 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:28:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:28:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 17:28:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_first [2019-09-20 17:28:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:28:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:28:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:28:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:28:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:28:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:28:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:28:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:28:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:28:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:28:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:28:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:28:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:28:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:28:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:28:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:28:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:28:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:28:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:28:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:28:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:28:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:28:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:28:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:28:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:28:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:28:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:28:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:28:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:28:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:28:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:28:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:28:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:28:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:28:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:28:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:28:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:28:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:28:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:28:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:28:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:28:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:28:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:28:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:28:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:28:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:28:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:28:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:28:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:28:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:28:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:28:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:28:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:28:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:28:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:28:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:28:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:28:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:28:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:28:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:28:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:28:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:28:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:28:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:28:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:28:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:28:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:28:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:28:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:28:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:28:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:28:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:28:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:28:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:28:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:28:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:28:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:28:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:28:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:28:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:28:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:28:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:28:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:28:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:28:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:28:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:28:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:28:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:28:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:28:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 17:28:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_first [2019-09-20 17:28:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:28:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:28:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:28:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:28:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 17:28:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:28:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:28:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:28:13,640 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:28:13,899 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:28:13,899 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 17:28:13,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:13 BoogieIcfgContainer [2019-09-20 17:28:13,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:28:13,901 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:28:13,901 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:28:13,902 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:28:13,903 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:13" (1/1) ... [2019-09-20 17:28:13,903 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:28:13,937 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:28:13,937 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:28:13,946 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:28:13,957 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:28:13,969 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:28:14,198 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:28:14,513 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:28:15,728 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-20 17:28:16,239 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 17:28:16,458 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:28:16,643 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 17:28:16,819 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:28:16,983 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:28:17,145 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:28:17,318 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:28:17,481 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:28:17,626 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:17,780 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 17:28:17,927 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:28:18,232 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:28:18,448 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:28:18,657 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:28:18,845 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 17:28:19,018 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 17:28:19,163 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:28:19,469 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 17:28:19,582 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:28:19,870 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 17:28:20,216 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-09-20 17:28:20,389 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:28:20,745 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-20 17:28:21,062 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:28:21,344 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 17:28:21,650 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:28:21,959 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:28:22,219 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 17:28:22,490 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:28:22,783 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:28:23,023 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:28:23,278 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:28:23,555 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:23,801 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:24,027 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:28:24,276 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:28:24,487 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 17:28:24,705 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:28:25,370 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 17:28:25,937 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:26,339 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:28:26,669 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:28:26,972 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:28:27,221 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 17:28:27,461 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:27,680 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:28:27,881 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:28:28,284 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-20 17:28:28,473 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:28:28,859 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 17:28:29,344 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-20 17:28:29,580 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:30,084 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 17:28:30,514 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 17:28:30,918 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 17:28:31,312 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 17:28:31,716 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 17:28:32,094 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 17:28:32,477 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 17:28:32,847 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:28:33,207 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 17:28:33,567 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:28:33,908 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:34,253 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:28:34,606 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:28:34,918 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:28:35,240 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:28:35,556 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:28:35,872 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:36,177 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 17:28:36,469 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:28:36,765 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:28:37,039 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:28:38,950 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 17:28:40,565 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 17:28:41,834 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 17:28:42,797 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 17:28:43,468 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 17:28:44,044 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 17:28:44,489 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 17:28:44,865 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:28:45,210 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:28:45,505 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 17:28:45,788 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 17:28:46,054 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:28:46,554 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-20 17:28:46,793 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:28:47,272 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-20 17:28:47,845 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-20 17:28:48,124 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:28:48,675 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-20 17:28:49,212 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-09-20 17:28:49,715 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 17:28:50,211 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 17:28:50,702 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-09-20 17:28:51,188 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-09-20 17:28:51,668 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 17:28:52,155 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-09-20 17:28:52,633 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 17:28:53,100 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 17:28:53,567 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-20 17:28:54,036 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 17:28:54,476 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 17:28:54,895 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:28:55,323 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 17:28:55,734 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 17:28:56,143 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 17:28:56,552 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:28:56,944 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:28:57,349 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:28:57,729 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:28:58,104 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 94