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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:27:50,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:27:50,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:27:50,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:27:50,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:27:50,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:27:50,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:27:50,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:27:50,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:27:50,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:27:50,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:27:50,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:27:50,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:27:50,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:27:50,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:27:50,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:27:50,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:27:50,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:27:50,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:27:50,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:27:50,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:27:50,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:27:50,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:27:50,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:27:50,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:27:50,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:27:50,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:27:50,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:27:50,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:27:50,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:27:50,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:27:50,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:27:50,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:27:50,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:27:50,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:27:50,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:27:50,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:27:50,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:27:50,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:27:50,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:27:50,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:27:50,776 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 21:27:50,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:27:50,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:27:50,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:27:50,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:27:50,798 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:27:50,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:27:50,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:27:50,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:27:50,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:27:50,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:27:50,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:27:50,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:27:50,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:27:50,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:27:50,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:27:50,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:27:50,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:27:50,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:27:50,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:27:50,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:27:50,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:27:50,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:27:50,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:27:50,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:27:50,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:27:50,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:27:50,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:27:50,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:27:50,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> InterpretCallSummarizer 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 21:27:50,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:27:50,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:27:50,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:27:50,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:27:50,860 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:27:50,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-20 21:27:50,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00ef4072/50a11e36ba7a42f0b04f3fc417959c15/FLAGf14c179a4 [2019-09-20 21:27:51,431 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:27:51,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-20 21:27:51,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00ef4072/50a11e36ba7a42f0b04f3fc417959c15/FLAGf14c179a4 [2019-09-20 21:27:51,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00ef4072/50a11e36ba7a42f0b04f3fc417959c15 [2019-09-20 21:27:51,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:27:51,761 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:27:51,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:51,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:27:51,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:27:51,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:51" (1/1) ... [2019-09-20 21:27:51,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac3f257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:51, skipping insertion in model container [2019-09-20 21:27:51,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:51" (1/1) ... [2019-09-20 21:27:51,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:27:51,833 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:27:52,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:52,260 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:27:52,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:52,386 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:27:52,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:52 WrapperNode [2019-09-20 21:27:52,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:52,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:27:52,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:27:52,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:27:52,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:52" (1/1) ... [2019-09-20 21:27:52,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:52" (1/1) ... [2019-09-20 21:27:52,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:52" (1/1) ... [2019-09-20 21:27:52,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:52" (1/1) ... [2019-09-20 21:27:52,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:52" (1/1) ... [2019-09-20 21:27:52,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:52" (1/1) ... [2019-09-20 21:27:52,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:52" (1/1) ... [2019-09-20 21:27:52,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:27:52,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:27:52,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:27:52,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:27:52,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:52" (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 21:27:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:27:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:27:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:27:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:27:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 21:27:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 21:27:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 21:27:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_last [2019-09-20 21:27:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:27:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:27:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:27:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:27:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:27:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:27:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:27:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:27:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:27:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:27:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:27:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:27:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:27:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:27:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:27:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:27:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:27:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:27:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:27:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:27:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:27:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:27:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:27:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:27:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:27:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:27:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:27:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:27:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:27:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:27:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:27:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:27:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:27:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:27:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:27:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:27:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:27:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:27:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:27:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:27:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:27:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:27:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:27:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:27:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:27:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:27:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:27:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:27:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:27:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:27:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:27:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:27:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:27:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:27:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:27:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:27:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:27:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:27:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:27:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:27:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:27:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:27:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:27:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:27:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:27:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:27:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:27:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:27:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:27:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:27:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:27:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:27:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:27:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:27:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:27:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:27:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:27:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:27:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:27:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:27:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:27:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:27:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:27:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:27:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:27:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:27:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:27:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:27:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:27:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:27:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:27:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:27:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:27:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:27:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:27:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:27:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:27:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:27:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:27:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:27:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:27:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:27:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:27:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:27:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:27:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:27:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:27:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 21:27:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 21:27:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:27:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:27:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:27:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 21:27:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_last [2019-09-20 21:27:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:27:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:27:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:27:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:27:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 21:27:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:27:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:27:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:27:52,869 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 21:27:53,119 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:27:53,119 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 21:27:53,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:53 BoogieIcfgContainer [2019-09-20 21:27:53,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:27:53,122 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:27:53,122 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:27:53,122 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:27:53,124 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:53" (1/1) ... [2019-09-20 21:27:53,124 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:27:53,153 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:27:53,153 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:27:53,163 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:27:53,174 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:27:53,178 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:27:53,370 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:27:53,608 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:53,761 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 21:27:54,062 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 21:27:54,265 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-20 21:27:54,538 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:54,752 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 21:27:55,996 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-20 21:27:56,714 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 21:27:57,761 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 21:27:58,534 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 21:27:58,746 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 21:27:58,942 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-20 21:27:59,178 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:59,344 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 21:28:00,391 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-20 21:28:00,979 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 21:28:01,747 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 21:28:02,483 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 21:28:08,776 WARN L191 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 213 DAG size of output: 152 [2019-09-20 21:28:10,421 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 21:28:18,142 WARN L191 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 639 DAG size of output: 149 [2019-09-20 21:28:19,470 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 92 [2019-09-20 21:28:22,939 WARN L191 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 205 DAG size of output: 144 [2019-09-20 21:28:24,056 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-20 21:28:24,615 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 135 [2019-09-20 21:28:25,339 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2019-09-20 21:28:28,333 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:28:31,402 WARN L191 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:28:32,425 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-20 21:28:32,748 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60