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/dll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:27:30,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:27:30,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:27:30,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:27:30,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:27:30,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:27:30,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:27:30,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:27:30,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:27:30,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:27:30,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:27:30,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:27:30,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:27:30,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:27:30,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:27:30,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:27:30,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:27:30,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:27:30,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:27:30,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:27:30,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:27:30,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:27:30,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:27:30,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:27:30,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:27:30,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:27:30,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:27:30,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:27:30,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:27:30,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:27:30,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:27:30,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:27:30,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:27:30,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:27:30,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:27:30,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:27:30,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:27:30,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:27:30,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:27:30,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:27:30,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:27:30,462 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 17:27:30,490 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:27:30,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:27:30,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:27:30,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:27:30,493 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:27:30,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:27:30,494 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:27:30,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:27:30,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:27:30,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:27:30,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:27:30,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:27:30,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:27:30,496 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:27:30,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:27:30,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:27:30,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:27:30,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:27:30,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:27:30,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:27:30,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:27:30,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:27:30,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:27:30,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:27:30,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:27:30,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:27:30,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:27:30,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:27:30,500 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 17:27:30,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:27:30,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:27:30,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:27:30,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:27:30,590 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:27:30,591 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 17:27:30,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2558507f3/651dd16068ee4a45af472e08c3696aee/FLAGdd08c064b [2019-09-20 17:27:31,247 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:27:31,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 17:27:31,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2558507f3/651dd16068ee4a45af472e08c3696aee/FLAGdd08c064b [2019-09-20 17:27:31,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2558507f3/651dd16068ee4a45af472e08c3696aee [2019-09-20 17:27:31,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:27:31,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:27:31,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:31,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:27:31,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:27:31,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:31" (1/1) ... [2019-09-20 17:27:31,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752c620c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:31, skipping insertion in model container [2019-09-20 17:27:31,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:31" (1/1) ... [2019-09-20 17:27:31,553 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:27:31,606 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:27:32,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:32,046 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:27:32,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:32,172 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:27:32,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:32 WrapperNode [2019-09-20 17:27:32,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:32,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:27:32,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:27:32,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:27:32,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:32" (1/1) ... [2019-09-20 17:27:32,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:32" (1/1) ... [2019-09-20 17:27:32,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:32" (1/1) ... [2019-09-20 17:27:32,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:32" (1/1) ... [2019-09-20 17:27:32,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:32" (1/1) ... [2019-09-20 17:27:32,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:32" (1/1) ... [2019-09-20 17:27:32,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:32" (1/1) ... [2019-09-20 17:27:32,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:27:32,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:27:32,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:27:32,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:27:32,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:32" (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 17:27:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:27:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:27:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:27:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:27:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:27:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:27:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 17:27:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 17:27:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert [2019-09-20 17:27:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:27:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:27:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:27:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:27:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:27:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:27:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:27:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:27:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:27:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:27:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:27:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:27:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:27:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:27:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:27:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:27:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:27:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:27:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:27:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:27:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:27:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:27:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:27:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:27:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:27:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:27:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:27:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:27:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:27:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:27:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:27:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:27:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:27:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:27:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:27:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:27:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:27:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:27:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:27:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:27:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:27:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:27:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:27:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:27:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:27:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:27:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:27:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:27:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:27:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:27:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:27:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:27:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:27:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:27:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:27:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:27:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:27:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:27:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:27:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:27:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:27:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:27:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:27:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:27:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:27:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:27:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:27:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:27:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:27:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:27:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:27:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:27:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:27:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:27:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:27:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:27:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:27:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:27:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:27:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:27:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:27:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:27:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:27:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:27:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:27:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:27:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:27:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:27:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:27:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:27:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:27:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:27:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:27:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:27:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:27:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:27:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:27:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:27:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:27:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:27:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:27:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:27:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:27:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:27:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:27:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:27:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:27:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:27:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:27:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:27:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:27:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:27:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 17:27:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 17:27:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:27:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:27:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert [2019-09-20 17:27:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:27:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:27:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 17:27:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:27:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:27:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:27:32,796 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:27:33,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:27:33,572 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 17:27:33,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:33 BoogieIcfgContainer [2019-09-20 17:27:33,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:27:33,574 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:27:33,575 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:27:33,575 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:27:33,576 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:33" (1/1) ... [2019-09-20 17:27:33,577 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 17:27:33,605 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:27:33,606 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:27:33,634 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:27:33,643 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:27:33,644 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:27:33,853 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:27:34,216 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:34,472 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 17:27:35,110 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-20 17:27:35,363 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-20 17:27:35,608 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-20 17:27:35,733 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 17:27:35,863 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:27:36,132 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-20 17:27:40,411 WARN L191 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 165 DAG size of output: 134 [2019-09-20 17:27:42,161 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 17:27:43,148 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:27:43,952 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 17:27:44,545 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:27:44,853 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:27:45,352 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 17:27:45,518 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:27:45,686 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:27:46,082 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-20 17:27:46,501 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2019-09-20 17:27:46,697 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:46,707 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:46,717 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:46,727 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:48,756 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2019-09-20 17:27:49,584 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 17:27:50,006 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:27:50,465 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:27:51,190 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-20 17:27:51,550 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 17:27:51,855 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-20 17:27:51,967 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:27:52,074 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:27:52,381 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-20 17:27:52,450 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:27:53,506 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-20 17:27:53,645 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 17:27:53,786 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 17:27:54,101 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-09-20 17:27:54,378 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-09-20 17:27:54,507 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:27:54,838 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-20 17:27:55,261 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2019-09-20 17:27:58,499 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 17:28:03,648 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 17:28:06,704 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-20 17:28:12,210 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44