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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:44:42,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:44:42,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:44:42,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:44:42,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:44:42,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:44:42,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:44:42,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:44:42,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:44:42,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:44:42,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:44:42,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:44:42,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:44:42,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:44:42,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:44:42,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:44:42,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:44:42,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:44:42,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:44:42,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:44:42,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:44:42,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:44:42,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:44:42,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:44:42,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:44:42,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:44:42,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:44:42,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:44:42,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:44:42,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:44:42,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:44:42,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:44:42,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:44:42,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:44:42,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:44:42,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:44:42,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:44:42,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:44:42,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:44:42,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:44:42,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:44:42,907 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 [2019-09-18 21:44:42,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:44:42,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:44:42,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:44:42,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:44:42,922 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:44:42,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:44:42,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:44:42,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:44:42,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:44:42,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:44:42,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:44:42,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:44:42,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:44:42,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:44:42,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:44:42,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:44:42,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:44:42,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:44:42,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:44:42,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:44:42,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:44:42,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:44:42,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:44:42,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:44:42,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:44:42,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:44:42,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:44:42,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:44:42,927 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 -> ReUseSupersetCallSummarizer 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 [2019-09-18 21:44:42,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:44:42,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:44:42,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:44:42,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:44:42,976 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:44:42,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i [2019-09-18 21:44:43,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7ef535e/b27b2b860c8149ba91d5fe3a1d5b8898/FLAG69948141e [2019-09-18 21:44:43,571 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:44:43,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i [2019-09-18 21:44:43,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7ef535e/b27b2b860c8149ba91d5fe3a1d5b8898/FLAG69948141e [2019-09-18 21:44:43,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7ef535e/b27b2b860c8149ba91d5fe3a1d5b8898 [2019-09-18 21:44:43,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:44:43,833 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:44:43,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:44:43,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:44:43,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:44:43,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:44:43" (1/1) ... [2019-09-18 21:44:43,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e3ab4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:43, skipping insertion in model container [2019-09-18 21:44:43,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:44:43" (1/1) ... [2019-09-18 21:44:43,848 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:44:43,898 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:44:44,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:44:44,325 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:44:44,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:44:44,436 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:44:44,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:44 WrapperNode [2019-09-18 21:44:44,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:44:44,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:44:44,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:44:44,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:44:44,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:44" (1/1) ... [2019-09-18 21:44:44,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:44" (1/1) ... [2019-09-18 21:44:44,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:44" (1/1) ... [2019-09-18 21:44:44,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:44" (1/1) ... [2019-09-18 21:44:44,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:44" (1/1) ... [2019-09-18 21:44:44,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:44" (1/1) ... [2019-09-18 21:44:44,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:44" (1/1) ... [2019-09-18 21:44:44,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:44:44,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:44:44,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:44:44,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:44:44,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:44" (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 [2019-09-18 21:44:44,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:44:44,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:44:44,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 21:44:44,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 21:44:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 21:44:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 21:44:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-18 21:44:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-18 21:44:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_prepend [2019-09-18 21:44:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:44:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:44:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 21:44:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 21:44:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 21:44:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 21:44:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 21:44:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 21:44:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 21:44:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 21:44:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 21:44:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 21:44:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 21:44:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 21:44:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 21:44:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 21:44:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 21:44:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 21:44:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 21:44:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 21:44:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 21:44:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 21:44:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 21:44:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 21:44:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 21:44:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 21:44:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 21:44:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 21:44:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 21:44:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 21:44:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 21:44:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 21:44:44,578 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 21:44:44,578 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 21:44:44,578 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 21:44:44,578 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 21:44:44,578 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 21:44:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 21:44:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 21:44:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 21:44:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 21:44:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 21:44:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 21:44:44,579 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 21:44:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 21:44:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 21:44:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 21:44:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 21:44:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 21:44:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 21:44:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 21:44:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 21:44:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 21:44:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 21:44:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 21:44:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 21:44:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 21:44:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 21:44:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 21:44:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 21:44:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 21:44:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 21:44:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 21:44:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 21:44:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 21:44:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 21:44:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 21:44:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 21:44:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 21:44:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 21:44:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 21:44:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 21:44:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 21:44:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 21:44:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 21:44:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 21:44:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 21:44:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 21:44:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 21:44:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 21:44:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 21:44:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 21:44:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 21:44:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 21:44:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 21:44:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 21:44:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 21:44:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 21:44:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 21:44:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 21:44:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 21:44:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 21:44:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 21:44:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 21:44:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 21:44:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 21:44:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 21:44:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 21:44:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 21:44:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 21:44:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 21:44:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 21:44:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 21:44:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 21:44:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 21:44:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 21:44:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 21:44:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 21:44:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 21:44:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 21:44:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 21:44:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 21:44:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-18 21:44:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-18 21:44:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 21:44:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 21:44:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_prepend [2019-09-18 21:44:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:44:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 21:44:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 21:44:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 21:44:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:44:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:44:44,981 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 21:44:45,264 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:44:45,264 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-18 21:44:45,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:44:45 BoogieIcfgContainer [2019-09-18 21:44:45,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:44:45,266 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:44:45,267 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:44:45,267 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:44:45,268 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:44:45" (1/1) ... [2019-09-18 21:44:45,269 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:44:45,292 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:44:45,292 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:44:45,299 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:44:45,308 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:44:45,310 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:44:45,449 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 21:44:45,688 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 21:44:46,095 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-18 21:44:46,314 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-18 21:44:47,299 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2019-09-18 21:44:47,669 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:44:48,078 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-18 21:44:48,468 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 21:44:48,713 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-18 21:44:48,920 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-18 21:44:49,674 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2019-09-18 21:44:49,953 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:44:50,501 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 21:44:50,809 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-18 21:44:53,932 WARN L191 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 192 DAG size of output: 128 [2019-09-18 21:44:57,613 WARN L191 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 244 DAG size of output: 134 [2019-09-18 21:44:58,146 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-18 21:44:59,720 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 184 DAG size of output: 124 [2019-09-18 21:45:00,218 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-18 21:45:00,451 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 21:45:00,617 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 21:45:03,927 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 21:45:06,475 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 21:45:07,077 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-09-18 21:45:07,555 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2019-09-18 21:45:07,731 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-18 21:45:08,435 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 325 [2019-09-18 21:45:08,865 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-09-18 21:45:08,972 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:45:08,973 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:45:08,974 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 121#(or (not (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~data~0)) (and (not (= main_~count~0 (+ main_~len~0 1))) (exists ((v_main_~ptr~0.base_15 Int) (v_main_~ptr~0.offset_15 Int)) (and (= main_~data~0 (select (select |#memory_int| v_main_~ptr~0.base_15) (+ v_main_~ptr~0.offset_15 4))) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= main_~ptr~0.offset (select (select |#memory_$Pointer$.offset| v_main_~ptr~0.base_15) v_main_~ptr~0.offset_15)) (= main_~ptr~0.base (select (select |#memory_$Pointer$.base| v_main_~ptr~0.base_15) v_main_~ptr~0.offset_15)))))) [2019-09-18 21:45:08,985 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:45:08,985 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:45:08,987 INFO L168 Benchmark]: Toolchain (without parser) took 25154.19 ms. Allocated memory was 134.2 MB in the beginning and 323.5 MB in the end (delta: 189.3 MB). Free memory was 87.3 MB in the beginning and 150.1 MB in the end (delta: -62.8 MB). Peak memory consumption was 126.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:08,988 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 134.2 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 21:45:08,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.62 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 163.4 MB in the end (delta: -76.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:08,989 INFO L168 Benchmark]: Boogie Preprocessor took 80.75 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 160.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:08,990 INFO L168 Benchmark]: RCFGBuilder took 747.54 ms. Allocated memory is still 201.9 MB. Free memory was 160.0 MB in the beginning and 104.9 MB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:08,992 INFO L168 Benchmark]: Sifa took 23718.94 ms. Allocated memory was 201.9 MB in the beginning and 323.5 MB in the end (delta: 121.6 MB). Free memory was 104.9 MB in the beginning and 150.1 MB in the end (delta: -45.2 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:08,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 134.2 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 603.62 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 163.4 MB in the end (delta: -76.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.75 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 160.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 747.54 ms. Allocated memory is still 201.9 MB. Free memory was 160.0 MB in the beginning and 104.9 MB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. * Sifa took 23718.94 ms. Allocated memory was 201.9 MB in the beginning and 323.5 MB in the end (delta: 121.6 MB). Free memory was 104.9 MB in the beginning and 150.1 MB in the end (delta: -45.2 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 23683, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 61, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 49, TOOLS_POST_TIME[ms]: 5578, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 8229, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 2586, TOOLS_QUANTIFIERELIM_APPLICATIONS: 66, TOOLS_QUANTIFIERELIM_TIME[ms]: 16351, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 6645, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 69, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 747, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 3, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 5688, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 734, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9714, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9713, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 14857, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 140, DAG_COMPRESSION_RETAINED_NODES: 68 - UnprovableResult [Line: 629]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 121#(or (not (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~data~0)) (and (not (= main_~count~0 (+ main_~len~0 1))) (exists ((v_main_~ptr~0.base_15 Int) (v_main_~ptr~0.offset_15 Int)) (and (= main_~data~0 (select (select |#memory_int| v_main_~ptr~0.base_15) (+ v_main_~ptr~0.offset_15 4))) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= main_~ptr~0.offset (select (select |#memory_$Pointer$.offset| v_main_~ptr~0.base_15) v_main_~ptr~0.offset_15)) (= main_~ptr~0.base (select (select |#memory_$Pointer$.base| v_main_~ptr~0.base_15) v_main_~ptr~0.offset_15)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...