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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:40:23,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:40:23,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:40:23,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:40:23,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:40:23,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:40:23,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:40:23,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:40:23,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:40:23,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:40:23,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:40:23,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:40:23,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:40:23,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:40:23,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:40:23,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:40:23,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:40:23,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:40:23,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:40:23,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:40:23,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:40:23,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:40:23,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:40:23,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:40:23,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:40:23,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:40:23,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:40:23,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:40:23,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:40:23,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:40:23,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:40:23,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:40:23,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:40:23,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:40:23,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:40:23,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:40:23,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:40:23,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:40:23,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:40:23,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:40:23,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:40:23,860 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 [2019-09-25 15:40:23,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:40:23,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:40:23,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:40:23,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:40:23,877 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:40:23,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:40:23,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:40:23,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:40:23,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:40:23,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:40:23,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:40:23,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:40:23,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:40:23,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:40:23,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:40:23,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:40:23,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:40:23,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:40:23,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:40:23,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:40:23,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:40:23,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:40:23,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:40:23,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:40:23,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:40:23,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:40:23,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:40:23,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:40:23,882 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:40:23,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:40:23,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:40:23,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:40:23,932 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:40:23,933 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:40:23,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-25 15:40:24,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7747c12/e7fea80a329345728c9c90bf0007c7e0/FLAGa1da5e3a5 [2019-09-25 15:40:24,624 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:40:24,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-25 15:40:24,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7747c12/e7fea80a329345728c9c90bf0007c7e0/FLAGa1da5e3a5 [2019-09-25 15:40:24,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7747c12/e7fea80a329345728c9c90bf0007c7e0 [2019-09-25 15:40:24,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:40:24,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:40:24,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:40:24,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:40:24,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:40:24,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:40:24" (1/1) ... [2019-09-25 15:40:24,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6688ee5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:24, skipping insertion in model container [2019-09-25 15:40:24,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:40:24" (1/1) ... [2019-09-25 15:40:24,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:40:24,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:40:25,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:40:25,436 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:40:25,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:40:25,558 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:40:25,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:25 WrapperNode [2019-09-25 15:40:25,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:40:25,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:40:25,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:40:25,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:40:25,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:25" (1/1) ... [2019-09-25 15:40:25,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:25" (1/1) ... [2019-09-25 15:40:25,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:25" (1/1) ... [2019-09-25 15:40:25,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:25" (1/1) ... [2019-09-25 15:40:25,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:25" (1/1) ... [2019-09-25 15:40:25,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:25" (1/1) ... [2019-09-25 15:40:25,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:25" (1/1) ... [2019-09-25 15:40:25,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:40:25,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:40:25,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:40:25,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:40:25,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:25" (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 [2019-09-25 15:40:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:40:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:40:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-25 15:40:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-25 15:40:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-25 15:40:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-25 15:40:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-25 15:40:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-25 15:40:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-25 15:40:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-25 15:40:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:40:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:40:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-25 15:40:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-25 15:40:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 15:40:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 15:40:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 15:40:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 15:40:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 15:40:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 15:40:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 15:40:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 15:40:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 15:40:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 15:40:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 15:40:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 15:40:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 15:40:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 15:40:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 15:40:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 15:40:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 15:40:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 15:40:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 15:40:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 15:40:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 15:40:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 15:40:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 15:40:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 15:40:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 15:40:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 15:40:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 15:40:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 15:40:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 15:40:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 15:40:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 15:40:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 15:40:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 15:40:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 15:40:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 15:40:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 15:40:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 15:40:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 15:40:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 15:40:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 15:40:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 15:40:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 15:40:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 15:40:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 15:40:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 15:40:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 15:40:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 15:40:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 15:40:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 15:40:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 15:40:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:40:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 15:40:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 15:40:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:40:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 15:40:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 15:40:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 15:40:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 15:40:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 15:40:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 15:40:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 15:40:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 15:40:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 15:40:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 15:40:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 15:40:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 15:40:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 15:40:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 15:40:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 15:40:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 15:40:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 15:40:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 15:40:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 15:40:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 15:40:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 15:40:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 15:40:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 15:40:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 15:40:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 15:40:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 15:40:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 15:40:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 15:40:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 15:40:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 15:40:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 15:40:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 15:40:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 15:40:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 15:40:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 15:40:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 15:40:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 15:40:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 15:40:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 15:40:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 15:40:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 15:40:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 15:40:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 15:40:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 15:40:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 15:40:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 15:40:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 15:40:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 15:40:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 15:40:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-25 15:40:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-25 15:40:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:40:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:40:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:40:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-25 15:40:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-25 15:40:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:40:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:40:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-25 15:40:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:40:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-25 15:40:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:40:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:40:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:40:26,144 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-25 15:40:26,451 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:40:26,451 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-25 15:40:26,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:26 BoogieIcfgContainer [2019-09-25 15:40:26,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:40:26,453 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:40:26,453 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:40:26,454 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:40:26,455 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:26" (1/1) ... [2019-09-25 15:40:26,456 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:40:26,480 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:40:26,481 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:40:26,488 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:40:26,498 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:40:26,500 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:40:26,661 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 15:40:26,778 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 15:40:27,354 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 15:40:27,598 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 15:40:27,989 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 15:40:28,000 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 15:40:28,116 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 15:40:29,389 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 15:40:29,632 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:40:29,632 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:40:29,634 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 209#(exists ((v_dll_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_4 Int)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_4) v_dll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483648)) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_4) v_dll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483647) (< main_~i~0 main_~len~0) (not (= main_~expected~0 (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_4) v_dll_get_data_at_~head.offset_BEFORE_RETURN_4))))) [2019-09-25 15:40:29,651 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:40:29,651 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:40:29,653 INFO L168 Benchmark]: Toolchain (without parser) took 4791.41 ms. Allocated memory was 137.4 MB in the beginning and 270.5 MB in the end (delta: 133.2 MB). Free memory was 83.3 MB in the beginning and 84.5 MB in the end (delta: -1.2 MB). Peak memory consumption was 132.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:29,660 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:40:29,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.39 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 82.9 MB in the beginning and 160.6 MB in the end (delta: -77.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:29,664 INFO L168 Benchmark]: Boogie Preprocessor took 67.51 ms. Allocated memory is still 199.2 MB. Free memory was 160.6 MB in the beginning and 157.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:29,664 INFO L168 Benchmark]: RCFGBuilder took 825.01 ms. Allocated memory is still 199.2 MB. Free memory was 157.5 MB in the beginning and 97.9 MB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:29,667 INFO L168 Benchmark]: Sifa took 3198.38 ms. Allocated memory was 199.2 MB in the beginning and 270.5 MB in the end (delta: 71.3 MB). Free memory was 97.9 MB in the beginning and 84.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:29,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.39 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 82.9 MB in the beginning and 160.6 MB in the end (delta: -77.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.51 ms. Allocated memory is still 199.2 MB. Free memory was 160.6 MB in the beginning and 157.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 825.01 ms. Allocated memory is still 199.2 MB. Free memory was 157.5 MB in the beginning and 97.9 MB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. * Sifa took 3198.38 ms. Allocated memory was 199.2 MB in the beginning and 270.5 MB in the end (delta: 71.3 MB). Free memory was 97.9 MB in the beginning and 84.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 84.7 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]: 3154, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 78, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 57, TOOLS_POST_TIME[ms]: 2700, TOOLS_POST_CALL_APPLICATIONS: 12, TOOLS_POST_CALL_TIME[ms]: 54, TOOLS_POST_RETURN_APPLICATIONS: 11, TOOLS_POST_RETURN_TIME[ms]: 22, TOOLS_QUANTIFIERELIM_APPLICATIONS: 70, TOOLS_QUANTIFIERELIM_TIME[ms]: 2728, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1301, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 95, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 24, DOMAIN_JOIN_TIME[ms]: 198, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 57, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 33, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2871, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2870, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 11, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2941, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2940, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 74 - UnprovableResult [Line: 630]: 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 209#(exists ((v_dll_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_4 Int)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_4) v_dll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483648)) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_4) v_dll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483647) (< main_~i~0 main_~len~0) (not (= main_~expected~0 (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_4) v_dll_get_data_at_~head.offset_BEFORE_RETURN_4))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...