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/dll2c_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:26:59,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:26:59,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:26:59,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:26:59,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:26:59,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:26:59,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:26:59,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:26:59,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:26:59,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:26:59,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:26:59,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:26:59,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:26:59,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:26:59,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:26:59,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:26:59,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:26:59,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:26:59,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:26:59,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:26:59,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:26:59,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:26:59,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:26:59,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:26:59,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:26:59,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:26:59,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:26:59,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:26:59,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:26:59,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:26:59,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:26:59,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:26:59,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:26:59,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:26:59,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:26:59,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:26:59,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:26:59,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:26:59,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:26:59,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:26:59,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:26:59,965 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 21:26:59,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:26:59,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:26:59,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:26:59,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:26:59,981 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:26:59,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:26:59,982 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:26:59,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:26:59,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:26:59,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:26:59,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:26:59,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:26:59,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:26:59,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:26:59,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:26:59,983 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:26:59,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:26:59,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:26:59,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:26:59,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:26:59,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:26:59,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:26:59,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:26:59,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:26:59,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:26:59,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:26:59,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:26:59,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:26:59,986 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 21:27:00,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:27:00,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:27:00,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:27:00,050 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:27:00,051 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:27:00,051 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_prepend_unequal.i [2019-09-20 21:27:00,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586745ebd/7c9e915a4d5a454a9f239799f7d22540/FLAG3f1fc8825 [2019-09-20 21:27:00,727 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:27:00,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_prepend_unequal.i [2019-09-20 21:27:00,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586745ebd/7c9e915a4d5a454a9f239799f7d22540/FLAG3f1fc8825 [2019-09-20 21:27:00,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586745ebd/7c9e915a4d5a454a9f239799f7d22540 [2019-09-20 21:27:00,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:27:00,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:27:00,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:00,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:27:00,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:27:00,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:00" (1/1) ... [2019-09-20 21:27:00,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5589eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:00, skipping insertion in model container [2019-09-20 21:27:00,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:00" (1/1) ... [2019-09-20 21:27:00,997 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:27:01,043 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:27:01,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:01,569 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:27:01,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:01,707 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:27:01,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:01 WrapperNode [2019-09-20 21:27:01,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:01,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:27:01,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:27:01,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:27:01,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:01" (1/1) ... [2019-09-20 21:27:01,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:01" (1/1) ... [2019-09-20 21:27:01,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:01" (1/1) ... [2019-09-20 21:27:01,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:01" (1/1) ... [2019-09-20 21:27:01,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:01" (1/1) ... [2019-09-20 21:27:01,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:01" (1/1) ... [2019-09-20 21:27:01,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:01" (1/1) ... [2019-09-20 21:27:01,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:27:01,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:27:01,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:27:01,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:27:01,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:01" (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 21:27:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:27:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:27:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:27:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:27:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 21:27:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 21:27:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 21:27:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-20 21:27:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_prepend [2019-09-20 21:27:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:27:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:27:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:27:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:27:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:27:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:27:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:27:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:27:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:27:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:27:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:27:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:27:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:27:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:27:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:27:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:27:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:27:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:27:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:27:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:27:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:27:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:27:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:27:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:27:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:27:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:27:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:27:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:27:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:27:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:27:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:27:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:27:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:27:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:27:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:27:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:27:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:27:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:27:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:27:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:27:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:27:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:27:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:27:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:27:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:27:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:27:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:27:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:27:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:27:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:27:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:27:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:27:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:27:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:27:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:27:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:27:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:27:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:27:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:27:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:27:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:27:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:27:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:27:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:27:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:27:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:27:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:27:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:27:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:27:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:27:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:27:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:27:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:27:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:27:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:27:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:27:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:27:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:27:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:27:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:27:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:27:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:27:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:27:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:27:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:27:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:27:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:27:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:27:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:27:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:27:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:27:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:27:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:27:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:27:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:27:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:27:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:27:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:27:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:27:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:27:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:27:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:27:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:27:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:27:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:27:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:27:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:27:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 21:27:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 21:27:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:27:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:27:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:27:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 21:27:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-20 21:27:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:27:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:27:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_prepend [2019-09-20 21:27:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:27:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:27:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 21:27:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:27:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:27:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:27:02,351 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 21:27:03,027 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:27:03,028 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 21:27:03,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:03 BoogieIcfgContainer [2019-09-20 21:27:03,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:27:03,030 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:27:03,030 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:27:03,031 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:27:03,032 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:03" (1/1) ... [2019-09-20 21:27:03,032 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 21:27:03,056 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:27:03,057 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:27:03,076 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:27:03,086 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:27:03,087 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:27:03,250 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:27:03,485 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:03,704 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 21:27:03,844 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 21:27:04,211 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-20 21:27:04,486 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-20 21:27:04,614 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 21:27:04,861 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:05,121 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 21:27:05,315 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 21:27:06,806 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 153 DAG size of output: 147 [2019-09-20 21:27:07,610 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 21:27:10,632 WARN L191 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 177 DAG size of output: 166 [2019-09-20 21:27:11,836 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 162 [2019-09-20 21:27:12,946 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 158 [2019-09-20 21:27:13,374 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-20 21:27:13,590 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-20 21:27:13,920 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:14,175 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 21:27:14,356 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 21:27:16,375 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 328 DAG size of output: 150 [2019-09-20 21:27:17,395 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 147 [2019-09-20 21:27:18,640 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 21:27:22,355 WARN L191 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-09-20 21:27:23,985 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 162 [2019-09-20 21:27:25,241 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 158 [2019-09-20 21:27:27,896 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 21:27:27,910 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:28,541 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 21:27:29,028 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 115