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-ext3-properties/dll_circular_traversal-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:46:18,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:46:18,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:46:18,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:46:18,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:46:18,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:46:18,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:46:18,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:46:18,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:46:18,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:46:18,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:46:18,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:46:18,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:46:18,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:46:18,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:46:18,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:46:18,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:46:18,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:46:18,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:46:18,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:46:18,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:46:18,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:46:18,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:46:18,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:46:18,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:46:18,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:46:18,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:46:18,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:46:18,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:46:18,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:46:18,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:46:18,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:46:18,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:46:18,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:46:18,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:46:18,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:46:18,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:46:18,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:46:18,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:46:18,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:46:18,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:46:18,550 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 [2019-09-17 16:46:18,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:46:18,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:46:18,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:46:18,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:46:18,569 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:46:18,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:46:18,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:46:18,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:46:18,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:46:18,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:46:18,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:46:18,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:46:18,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:46:18,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:46:18,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:46:18,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:46:18,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:46:18,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:46:18,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:46:18,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:46:18,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:46:18,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:46:18,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:46:18,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:46:18,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:46:18,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:46:18,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:46:18,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:46:18,574 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 [2019-09-17 16:46:18,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:46:18,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:46:18,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:46:18,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:46:18,623 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:46:18,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-17 16:46:18,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4306bee33/54089b5190a045fc800c033066d6b6cc/FLAGfd0525e74 [2019-09-17 16:46:19,238 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:46:19,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-17 16:46:19,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4306bee33/54089b5190a045fc800c033066d6b6cc/FLAGfd0525e74 [2019-09-17 16:46:19,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4306bee33/54089b5190a045fc800c033066d6b6cc [2019-09-17 16:46:19,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:46:19,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:46:19,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:46:19,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:46:19,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:46:19,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:46:19" (1/1) ... [2019-09-17 16:46:19,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5233e466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:19, skipping insertion in model container [2019-09-17 16:46:19,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:46:19" (1/1) ... [2019-09-17 16:46:19,553 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:46:19,607 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:46:20,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:46:20,091 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:46:20,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:46:20,208 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:46:20,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:20 WrapperNode [2019-09-17 16:46:20,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:46:20,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:46:20,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:46:20,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:46:20,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:20" (1/1) ... [2019-09-17 16:46:20,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:20" (1/1) ... [2019-09-17 16:46:20,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:20" (1/1) ... [2019-09-17 16:46:20,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:20" (1/1) ... [2019-09-17 16:46:20,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:20" (1/1) ... [2019-09-17 16:46:20,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:20" (1/1) ... [2019-09-17 16:46:20,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:20" (1/1) ... [2019-09-17 16:46:20,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:46:20,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:46:20,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:46:20,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:46:20,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:46:20" (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 [2019-09-17 16:46:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:46:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:46:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 16:46:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 16:46:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 16:46:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-17 16:46:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:46:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:46:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 16:46:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 16:46:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 16:46:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 16:46:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 16:46:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 16:46:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 16:46:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 16:46:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 16:46:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 16:46:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 16:46:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 16:46:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 16:46:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 16:46:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 16:46:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 16:46:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 16:46:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 16:46:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 16:46:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 16:46:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 16:46:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 16:46:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 16:46:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 16:46:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 16:46:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 16:46:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 16:46:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 16:46:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 16:46:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 16:46:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 16:46:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 16:46:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 16:46:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 16:46:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 16:46:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 16:46:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 16:46:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 16:46:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 16:46:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 16:46:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 16:46:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 16:46:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 16:46:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 16:46:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 16:46:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 16:46:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 16:46:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 16:46:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 16:46:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 16:46:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 16:46:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 16:46:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 16:46:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 16:46:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 16:46:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 16:46:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 16:46:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 16:46:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 16:46:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 16:46:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 16:46:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 16:46:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 16:46:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 16:46:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 16:46:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 16:46:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 16:46:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 16:46:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 16:46:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 16:46:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 16:46:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 16:46:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 16:46:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 16:46:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 16:46:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 16:46:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 16:46:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 16:46:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 16:46:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 16:46:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 16:46:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 16:46:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 16:46:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 16:46:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 16:46:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 16:46:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 16:46:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 16:46:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 16:46:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 16:46:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 16:46:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 16:46:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 16:46:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 16:46:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 16:46:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 16:46:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 16:46:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 16:46:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 16:46:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 16:46:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 16:46:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 16:46:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 16:46:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 16:46:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 16:46:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 16:46:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-17 16:46:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 16:46:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:46:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:46:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:46:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:46:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:46:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:46:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:46:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:46:20,855 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 16:46:20,961 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:46:20,961 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-17 16:46:20,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:46:20 BoogieIcfgContainer [2019-09-17 16:46:20,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:46:20,963 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:46:20,964 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:46:20,964 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:46:20,965 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:46:20" (1/1) ... [2019-09-17 16:46:20,966 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 [2019-09-17 16:46:20,994 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:46:20,994 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:46:21,004 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:46:21,015 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:46:21,017 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:46:21,243 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:46:21,369 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 16:46:21,428 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:46:21,603 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-17 16:46:22,179 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-17 16:46:22,202 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:46:22,342 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-17 16:46:22,909 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-17 16:46:23,134 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-17 16:46:23,388 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-17 16:46:23,676 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 16:46:24,012 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-17 16:46:24,267 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 16:46:24,441 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 16:46:24,590 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-17 16:46:24,967 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-09-17 16:46:25,266 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-17 16:46:25,522 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-17 16:46:25,631 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-17 16:46:25,900 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-09-17 16:46:26,148 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-17 16:46:26,263 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-17 16:46:26,570 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-09-17 16:46:26,830 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 16:46:27,114 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 16:46:27,665 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-17 16:46:30,016 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 197 [2019-09-17 16:46:33,087 WARN L191 SmtUtils]: Spent 3.06 s on a formula simplification that was a NOOP. DAG size: 194 [2019-09-17 16:46:35,444 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 188 [2019-09-17 16:46:37,510 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 185 [2019-09-17 16:46:40,409 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 182 [2019-09-17 16:46:41,842 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-17 16:46:43,081 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-17 16:46:44,019 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-17 16:46:44,649 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-09-17 16:46:45,154 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-17 16:46:46,086 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 139 [2019-09-17 16:46:46,267 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-09-17 16:46:47,108 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 130 [2019-09-17 16:46:47,981 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 [2019-09-17 16:46:48,958 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2019-09-17 16:46:49,411 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 16:46:50,394 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2019-09-17 16:46:51,331 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2019-09-17 16:46:51,749 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 16:46:52,652 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2019-09-17 16:46:53,517 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2019-09-17 16:46:53,939 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 16:46:54,840 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2019-09-17 16:46:55,837 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2019-09-17 16:46:56,314 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-17 16:46:57,326 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-17 16:47:15,291 WARN L191 SmtUtils]: Spent 17.89 s on a formula simplification that was a NOOP. DAG size: 237 [2019-09-17 16:47:39,609 WARN L191 SmtUtils]: Spent 24.26 s on a formula simplification that was a NOOP. DAG size: 234 [2019-09-17 16:48:07,734 WARN L191 SmtUtils]: Spent 28.09 s on a formula simplification that was a NOOP. DAG size: 238 [2019-09-17 16:48:11,843 WARN L191 SmtUtils]: Spent 3.86 s on a formula simplification that was a NOOP. DAG size: 216 [2019-09-17 16:48:16,152 WARN L191 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 234 DAG size of output: 200 [2019-09-17 16:48:16,744 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2019-09-17 16:48:18,342 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 270 DAG size of output: 194 [2019-09-17 16:48:20,004 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 205 DAG size of output: 204 [2019-09-17 16:48:21,727 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2019-09-17 16:48:22,570 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2019-09-17 16:48:23,428 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-17 16:48:25,156 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 194 DAG size of output: 188 [2019-09-17 16:48:26,960 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2019-09-17 16:48:28,586 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 185 DAG size of output: 180 [2019-09-17 16:48:29,376 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-17 16:48:30,970 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 186 DAG size of output: 180 [2019-09-17 16:48:32,584 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 185 DAG size of output: 180 [2019-09-17 16:48:33,370 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-17 16:48:34,970 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 186 DAG size of output: 180 [2019-09-17 16:48:36,800 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 211 DAG size of output: 190 [2019-09-17 16:48:37,731 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-09-17 16:48:39,564 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2019-09-17 16:49:30,955 WARN L191 SmtUtils]: Spent 51.31 s on a formula simplification that was a NOOP. DAG size: 278 [2019-09-17 16:50:38,592 WARN L191 SmtUtils]: Spent 1.13 m on a formula simplification that was a NOOP. DAG size: 282 [2019-09-17 16:52:26,339 WARN L191 SmtUtils]: Spent 1.79 m on a formula simplification that was a NOOP. DAG size: 294 [2019-09-17 16:52:37,073 WARN L191 SmtUtils]: Spent 10.36 s on a formula simplification that was a NOOP. DAG size: 266 [2019-09-17 16:52:37,382 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-17 16:52:43,538 WARN L191 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 306 DAG size of output: 247 [2019-09-17 16:52:44,631 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 184 [2019-09-17 16:53:13,492 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-09-17 16:53:13,870 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-09-17 16:53:16,818 WARN L191 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 426 DAG size of output: 249 [2019-09-17 16:53:19,652 WARN L191 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2019-09-17 16:53:22,452 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2019-09-17 16:53:23,821 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 259 [2019-09-17 16:53:25,182 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 250 [2019-09-17 16:53:27,979 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 249 DAG size of output: 243 [2019-09-17 16:53:29,336 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 232 [2019-09-17 16:53:32,151 WARN L191 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2019-09-17 16:53:32,338 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 16:53:35,057 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2019-09-17 16:53:37,727 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 218 DAG size of output: 213 [2019-09-17 16:53:39,029 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 213 [2019-09-17 16:53:41,631 WARN L191 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 219 DAG size of output: 213 [2019-09-17 16:53:44,254 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 218 DAG size of output: 213 [2019-09-17 16:53:45,581 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 213 [2019-09-17 16:53:48,196 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 219 DAG size of output: 213 [2019-09-17 16:53:51,038 WARN L191 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 243 DAG size of output: 217 [2019-09-17 16:53:52,386 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 217 [2019-09-17 16:53:55,152 WARN L191 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 220 DAG size of output: 218 [2019-09-17 16:56:49,082 WARN L191 SmtUtils]: Spent 2.90 m on a formula simplification. DAG size of input: 312 DAG size of output: 312 [2019-09-17 16:58:47,790 WARN L191 SmtUtils]: Spent 1.98 m on a formula simplification that was a NOOP. DAG size: 323