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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:29:18,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:29:18,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:29:18,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:29:18,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:29:18,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:29:18,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:29:18,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:29:18,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:29:18,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:29:18,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:29:18,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:29:18,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:29:18,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:29:18,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:29:18,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:29:18,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:29:18,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:29:18,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:29:18,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:29:18,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:29:18,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:29:18,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:29:18,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:29:18,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:29:18,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:29:18,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:29:18,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:29:18,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:29:18,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:29:18,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:29:18,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:29:18,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:29:18,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:29:18,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:29:18,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:29:18,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:29:18,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:29:18,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:29:18,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:29:18,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:29:18,731 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 18:29:18,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:29:18,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:29:18,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:29:18,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:29:18,753 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:29:18,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:29:18,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:29:18,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:29:18,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:29:18,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:29:18,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:29:18,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:29:18,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:29:18,755 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:29:18,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:29:18,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:29:18,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:29:18,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:29:18,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:29:18,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:29:18,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:29:18,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:29:18,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:29:18,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:29:18,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:29:18,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:29:18,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:29:18,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:29:18,758 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:29:18,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:29:18,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:29:18,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:29:18,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:29:18,812 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:29:18,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-20 18:29:18,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b9c2aa1/688ee88e011c421c879e0058d00df1e5/FLAGe602cca3b [2019-09-20 18:29:19,434 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:29:19,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-20 18:29:19,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b9c2aa1/688ee88e011c421c879e0058d00df1e5/FLAGe602cca3b [2019-09-20 18:29:19,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b9c2aa1/688ee88e011c421c879e0058d00df1e5 [2019-09-20 18:29:19,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:29:19,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:29:19,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:19,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:29:19,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:29:19,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:19" (1/1) ... [2019-09-20 18:29:19,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2ab7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:19, skipping insertion in model container [2019-09-20 18:29:19,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:19" (1/1) ... [2019-09-20 18:29:19,885 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:29:19,925 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:29:20,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:20,368 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:29:20,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:20,518 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:29:20,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:20 WrapperNode [2019-09-20 18:29:20,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:20,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:29:20,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:29:20,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:29:20,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:20" (1/1) ... [2019-09-20 18:29:20,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:20" (1/1) ... [2019-09-20 18:29:20,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:20" (1/1) ... [2019-09-20 18:29:20,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:20" (1/1) ... [2019-09-20 18:29:20,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:20" (1/1) ... [2019-09-20 18:29:20,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:20" (1/1) ... [2019-09-20 18:29:20,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:20" (1/1) ... [2019-09-20 18:29:20,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:29:20,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:29:20,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:29:20,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:29:20,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:20" (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 18:29:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:29:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:29:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 18:29:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 18:29:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 18:29:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 18:29:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 18:29:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-20 18:29:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-20 18:29:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-20 18:29:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:29:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:29:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 18:29:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 18:29:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 18:29:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 18:29:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 18:29:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 18:29:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 18:29:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 18:29:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 18:29:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 18:29:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 18:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 18:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 18:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 18:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 18:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 18:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 18:29:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 18:29:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 18:29:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 18:29:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 18:29:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 18:29:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 18:29:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 18:29:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 18:29:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 18:29:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 18:29:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 18:29:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 18:29:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 18:29:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 18:29:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 18:29:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 18:29:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 18:29:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 18:29:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 18:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 18:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 18:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 18:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 18:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 18:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 18:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 18:29:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 18:29:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 18:29:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 18:29:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 18:29:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 18:29:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 18:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 18:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 18:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 18:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 18:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 18:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 18:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 18:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 18:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 18:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 18:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 18:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 18:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 18:29:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 18:29:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 18:29:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 18:29:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 18:29:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 18:29:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 18:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 18:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 18:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 18:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 18:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 18:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 18:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 18:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 18:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 18:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 18:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 18:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 18:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 18:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 18:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 18:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 18:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 18:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 18:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 18:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 18:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 18:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 18:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 18:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 18:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 18:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 18:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 18:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 18:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 18:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 18:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 18:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 18:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 18:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 18:29:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 18:29:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 18:29:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 18:29:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 18:29:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 18:29:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 18:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 18:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 18:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-20 18:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 18:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-20 18:29:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:29:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-20 18:29:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:29:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:29:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:29:21,183 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 18:29:21,327 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:29:21,328 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 18:29:21,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:21 BoogieIcfgContainer [2019-09-20 18:29:21,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:29:21,331 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:29:21,331 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:29:21,332 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:29:21,333 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:21" (1/1) ... [2019-09-20 18:29:21,334 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:29:21,364 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:29:21,365 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:29:21,383 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:29:21,393 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:29:21,394 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:29:21,545 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 18:29:21,658 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 18:29:23,195 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-20 18:29:23,368 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-20 18:29:24,170 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-20 18:29:24,464 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 18:29:24,716 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 18:29:25,197 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-20 18:29:25,417 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 18:29:25,867 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:26,022 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:26,278 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 18:29:26,670 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-20 18:29:27,099 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-20 18:29:27,474 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-20 18:29:27,678 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 18:29:28,760 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2019-09-20 18:29:29,267 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 18:29:29,766 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 18:29:30,260 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 18:29:30,731 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 18:29:31,166 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 18:29:31,603 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 18:29:31,987 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 18:29:32,591 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-20 18:29:32,797 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 18:29:33,023 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 18:29:33,220 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 18:29:33,407 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 18:29:33,580 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 18:29:33,733 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 18:29:33,886 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:34,029 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:34,175 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:34,574 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 18:29:34,619 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:29:34,753 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:29:34,970 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:29:35,499 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:29:35,725 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 18:29:35,886 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 18:29:36,058 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 18:29:36,292 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-20 18:29:37,054 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-20 18:29:37,145 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:29:37,272 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-20 18:29:37,364 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:29:38,309 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:29:38,309 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:29:38,311 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 209#(exists ((v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_20 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_prenex_19 Int)) (or (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_prenex_20) (+ v_prenex_19 8)) 2147483648)) (< 0 (+ main_~i~0 1)) (= main_~s~0.offset 0) (<= (select (select |#memory_int| v_prenex_20) (+ v_prenex_19 8)) 2147483647) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~i~0 (+ main_~len~0 (- 1))) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (not (= (select (select |#memory_int| v_prenex_20) (+ v_prenex_19 8)) main_~expected~0)) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (< 0 (+ main_~i~0 3)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~i~0 main_~len~0 2) (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8))) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483647) (< 0 (+ main_~i~0 1)) (= main_~s~0.offset 0) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483648)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (< 0 (+ main_~i~0 2)) (not (= (select (select |#memory_int| v_prenex_18) (+ v_prenex_17 8)) main_~expected~0)) (<= (select (select |#memory_int| v_prenex_18) (+ v_prenex_17 8)) 2147483647) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (<= 0 (+ (select (select |#memory_int| v_prenex_18) (+ v_prenex_17 8)) 2147483648)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483647) (= (+ main_~i~0 main_~len~0 1) (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8))) (= (+ main_~len~0 (- 1)) (+ main_~i~0 2)) (= |#NULL.offset| 0) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483648)) (= main_~len~0 2)) (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_prenex_12) (+ v_prenex_11 8)) 2147483648)) (< 0 (+ main_~i~0 1)) (= main_~s~0.offset 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_12) (+ v_prenex_11 8)) 2147483647) (< 0 (+ main_~i~0 2)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)) 2147483648)) (not (= main_~expected~0 (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)))) (= (select (select |#memory_int| v_prenex_12) (+ v_prenex_11 8)) (+ main_~i~0 main_~len~0 1)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)) 2147483647) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= |#NULL.offset| 0) (= main_~len~0 2) (= (+ main_~i~0 1) (+ main_~len~0 (- 1)))))) [2019-09-20 18:29:38,327 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:29:38,327 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:29:38,329 INFO L168 Benchmark]: Toolchain (without parser) took 18460.46 ms. Allocated memory was 133.2 MB in the beginning and 417.3 MB in the end (delta: 284.2 MB). Free memory was 86.8 MB in the beginning and 157.6 MB in the end (delta: -70.8 MB). Peak memory consumption was 213.3 MB. Max. memory is 7.1 GB. [2019-09-20 18:29:38,330 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:29:38,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.00 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.5 MB in the beginning and 160.8 MB in the end (delta: -74.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:29:38,330 INFO L168 Benchmark]: Boogie Preprocessor took 69.15 ms. Allocated memory is still 200.3 MB. Free memory was 160.8 MB in the beginning and 157.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:29:38,331 INFO L168 Benchmark]: RCFGBuilder took 742.31 ms. Allocated memory is still 200.3 MB. Free memory was 157.7 MB in the beginning and 107.9 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:29:38,333 INFO L168 Benchmark]: Sifa took 16996.45 ms. Allocated memory was 200.3 MB in the beginning and 417.3 MB in the end (delta: 217.1 MB). Free memory was 107.9 MB in the beginning and 157.6 MB in the end (delta: -49.7 MB). Peak memory consumption was 167.3 MB. Max. memory is 7.1 GB. [2019-09-20 18:29:38,335 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.00 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.5 MB in the beginning and 160.8 MB in the end (delta: -74.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.15 ms. Allocated memory is still 200.3 MB. Free memory was 160.8 MB in the beginning and 157.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 742.31 ms. Allocated memory is still 200.3 MB. Free memory was 157.7 MB in the beginning and 107.9 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. * Sifa took 16996.45 ms. Allocated memory was 200.3 MB in the beginning and 417.3 MB in the end (delta: 217.1 MB). Free memory was 107.9 MB in the beginning and 157.6 MB in the end (delta: -49.7 MB). Peak memory consumption was 167.3 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]: 16947, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 103, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 79, TOOLS_POST_TIME[ms]: 4826, TOOLS_POST_CALL_APPLICATIONS: 16, TOOLS_POST_CALL_TIME[ms]: 120, TOOLS_POST_RETURN_APPLICATIONS: 15, TOOLS_POST_RETURN_TIME[ms]: 7769, TOOLS_QUANTIFIERELIM_APPLICATIONS: 110, TOOLS_QUANTIFIERELIM_TIME[ms]: 12658, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5102, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 118, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME[ms]: 2724, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 1340, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME[ms]: 27, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13283, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13282, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 15, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 15856, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15856, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 189, DAG_COMPRESSION_RETAINED_NODES: 102 - UnprovableResult [Line: 632]: 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_prenex_18 Int) (v_prenex_17 Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_20 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_prenex_19 Int)) (or (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_prenex_20) (+ v_prenex_19 8)) 2147483648)) (< 0 (+ main_~i~0 1)) (= main_~s~0.offset 0) (<= (select (select |#memory_int| v_prenex_20) (+ v_prenex_19 8)) 2147483647) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~i~0 (+ main_~len~0 (- 1))) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (not (= (select (select |#memory_int| v_prenex_20) (+ v_prenex_19 8)) main_~expected~0)) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (< 0 (+ main_~i~0 3)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~i~0 main_~len~0 2) (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8))) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483647) (< 0 (+ main_~i~0 1)) (= main_~s~0.offset 0) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483648)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (< 0 (+ main_~i~0 2)) (not (= (select (select |#memory_int| v_prenex_18) (+ v_prenex_17 8)) main_~expected~0)) (<= (select (select |#memory_int| v_prenex_18) (+ v_prenex_17 8)) 2147483647) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (<= 0 (+ (select (select |#memory_int| v_prenex_18) (+ v_prenex_17 8)) 2147483648)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483647) (= (+ main_~i~0 main_~len~0 1) (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8))) (= (+ main_~len~0 (- 1)) (+ main_~i~0 2)) (= |#NULL.offset| 0) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483648)) (= main_~len~0 2)) (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_prenex_12) (+ v_prenex_11 8)) 2147483648)) (< 0 (+ main_~i~0 1)) (= main_~s~0.offset 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_12) (+ v_prenex_11 8)) 2147483647) (< 0 (+ main_~i~0 2)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)) 2147483648)) (not (= main_~expected~0 (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)))) (= (select (select |#memory_int| v_prenex_12) (+ v_prenex_11 8)) (+ main_~i~0 main_~len~0 1)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)) 2147483647) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= |#NULL.offset| 0) (= main_~len~0 2) (= (+ main_~i~0 1) (+ main_~len~0 (- 1)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...