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_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:28:09,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:28:09,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:28:09,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:28:09,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:28:09,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:28:09,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:28:09,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:28:09,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:28:09,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:28:09,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:28:09,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:28:09,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:28:09,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:28:09,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:28:09,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:28:09,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:28:09,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:28:09,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:28:09,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:28:09,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:28:09,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:28:09,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:28:09,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:28:09,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:28:09,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:28:09,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:28:09,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:28:09,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:28:09,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:28:09,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:28:09,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:28:09,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:28:09,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:28:09,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:28:09,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:28:09,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:28:09,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:28:09,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:28:09,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:28:09,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:28:09,213 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 17:28:09,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:28:09,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:28:09,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:28:09,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:28:09,229 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:28:09,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:28:09,230 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:28:09,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:28:09,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:28:09,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:28:09,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:28:09,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:28:09,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:28:09,231 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:28:09,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:28:09,231 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:28:09,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:28:09,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:28:09,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:28:09,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:28:09,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:28:09,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:28:09,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:28:09,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:28:09,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:28:09,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:28:09,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:28:09,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:28:09,234 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 17:28:09,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:28:09,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:28:09,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:28:09,285 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:28:09,285 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:28:09,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i [2019-09-20 17:28:09,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4baa2bec/6023220a6a0c4a1bb9d7c6b48b9b0737/FLAG25f7916fa [2019-09-20 17:28:09,883 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:28:09,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i [2019-09-20 17:28:09,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4baa2bec/6023220a6a0c4a1bb9d7c6b48b9b0737/FLAG25f7916fa [2019-09-20 17:28:10,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4baa2bec/6023220a6a0c4a1bb9d7c6b48b9b0737 [2019-09-20 17:28:10,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:28:10,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:28:10,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:10,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:28:10,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:28:10,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:10" (1/1) ... [2019-09-20 17:28:10,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7980016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:10, skipping insertion in model container [2019-09-20 17:28:10,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:10" (1/1) ... [2019-09-20 17:28:10,209 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:28:10,259 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:28:10,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:10,939 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:28:11,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:11,094 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:28:11,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:11 WrapperNode [2019-09-20 17:28:11,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:11,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:28:11,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:28:11,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:28:11,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:11" (1/1) ... [2019-09-20 17:28:11,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:11" (1/1) ... [2019-09-20 17:28:11,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:11" (1/1) ... [2019-09-20 17:28:11,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:11" (1/1) ... [2019-09-20 17:28:11,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:11" (1/1) ... [2019-09-20 17:28:11,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:11" (1/1) ... [2019-09-20 17:28:11,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:11" (1/1) ... [2019-09-20 17:28:11,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:28:11,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:28:11,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:28:11,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:28:11,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:11" (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 17:28:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:28:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:28:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:28:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:28:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:28:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:28:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 17:28:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-20 17:28:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_prepend [2019-09-20 17:28:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:28:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:28:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:28:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:28:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:28:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:28:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:28:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:28:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:28:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:28:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:28:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:28:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:28:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:28:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:28:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:28:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:28:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:28:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:28:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:28:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:28:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:28:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:28:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:28:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:28:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:28:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:28:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:28:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:28:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:28:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:28:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:28:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:28:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:28:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:28:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:28:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:28:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:28:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:28:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:28:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:28:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:28:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:28:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:28:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:28:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:28:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:28:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:28:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:28:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:28:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:28:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:28:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:28:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:28:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:28:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:28:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:28:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:28:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:28:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:28:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:28:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:28:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:28:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:28:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:28:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:28:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:28:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:28:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:28:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:28:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:28:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:28:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:28:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:28:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:28:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:28:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:28:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:28:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:28:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:28:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:28:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:28:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:28:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:28:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:28:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:28:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:28:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:28:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:28:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:28:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:28:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:28:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:28:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:28:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:28:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:28:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:28:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:28:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:28:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:28:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:28:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:28:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:28:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:28:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:28:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:28:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:28:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:28:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:28:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:28:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:28:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:28:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 17:28:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-20 17:28:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:28:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:28:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_prepend [2019-09-20 17:28:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:28:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:28:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 17:28:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:28:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:28:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:28:11,661 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:28:11,968 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:28:11,968 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 17:28:11,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:11 BoogieIcfgContainer [2019-09-20 17:28:11,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:28:11,971 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:28:11,971 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:28:11,971 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:28:11,973 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:11" (1/1) ... [2019-09-20 17:28:11,973 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 17:28:12,001 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:28:12,001 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:28:12,009 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:28:12,017 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:28:12,018 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:28:12,224 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:28:12,526 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:28:14,481 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 17:28:14,732 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:28:14,925 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 17:28:15,131 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:28:15,319 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:28:15,526 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:28:15,700 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:28:15,871 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:28:16,036 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:16,195 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 17:28:16,356 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:28:16,647 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:16,884 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:17,074 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:28:17,280 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:28:17,452 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:28:17,612 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:28:17,921 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 17:28:18,072 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:28:18,397 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 17:28:18,766 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-09-20 17:28:18,942 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:28:19,311 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-20 17:28:19,674 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:28:19,974 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 17:28:20,289 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:28:20,582 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:28:20,866 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 17:28:21,153 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:28:21,460 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:28:21,738 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:28:22,014 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:28:22,301 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:22,550 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:22,810 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:28:23,061 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:28:23,281 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 17:28:23,503 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:28:24,181 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 17:28:24,633 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:28:25,027 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:28:25,341 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:28:25,634 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 17:28:25,889 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:26,161 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:28:26,382 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:28:26,588 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:28:26,986 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-20 17:28:27,179 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:28:27,579 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 17:28:28,089 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-20 17:28:28,333 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:28,849 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 17:28:29,295 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 17:28:29,713 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 17:28:30,118 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 17:28:30,519 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 17:28:30,899 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 17:28:31,302 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 17:28:31,694 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:28:32,038 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 17:28:32,391 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:28:32,729 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:33,079 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:28:33,422 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:28:33,746 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:28:34,071 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:28:34,405 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:28:34,747 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:35,041 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 17:28:35,344 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:28:35,647 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:28:35,925 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:28:37,828 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 17:28:39,499 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 17:28:40,771 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 17:28:41,698 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 17:28:42,422 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 17:28:42,988 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 17:28:43,412 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:43,789 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:28:44,123 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 17:28:44,436 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 17:28:44,730 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:45,000 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:28:45,497 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-20 17:28:45,741 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:28:46,233 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-20 17:28:46,803 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-20 17:28:47,070 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:28:47,613 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-20 17:28:48,123 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 17:28:48,622 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-20 17:28:49,091 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 17:28:49,578 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-20 17:28:50,070 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-20 17:28:50,531 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 17:28:50,999 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 17:28:51,456 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-20 17:28:51,899 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 17:28:52,332 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 17:28:52,783 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 17:28:53,221 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 17:28:53,644 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:28:54,057 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 17:28:54,460 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 17:28:54,870 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:28:55,275 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:28:55,684 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 112