java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:27:55,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:27:55,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:27:55,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:27:55,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:27:55,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:27:55,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:27:55,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:27:55,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:27:55,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:27:55,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:27:55,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:27:55,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:27:55,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:27:55,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:27:55,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:27:55,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:27:55,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:27:55,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:27:55,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:27:55,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:27:55,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:27:55,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:27:55,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:27:55,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:27:55,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:27:55,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:27:55,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:27:55,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:27:55,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:27:55,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:27:55,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:27:55,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:27:55,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:27:55,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:27:55,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:27:56,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:27:56,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:27:56,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:27:56,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:27:56,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:27:56,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 21:27:56,026 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:27:56,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:27:56,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:27:56,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:27:56,029 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:27:56,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:27:56,030 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:27:56,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:27:56,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:27:56,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:27:56,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:27:56,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:27:56,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:27:56,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:27:56,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:27:56,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:27:56,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:27:56,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:27:56,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:27:56,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:27:56,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:27:56,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:27:56,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:27:56,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:27:56,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:27:56,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:27:56,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:27:56,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:27:56,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:27:56,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:27:56,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:27:56,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:27:56,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:27:56,086 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:27:56,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-20 21:27:56,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9e0776e/54879382bc5b426daea6df8910ed5319/FLAG7854ef0f8 [2019-09-20 21:27:56,649 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:27:56,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-20 21:27:56,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9e0776e/54879382bc5b426daea6df8910ed5319/FLAG7854ef0f8 [2019-09-20 21:27:56,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9e0776e/54879382bc5b426daea6df8910ed5319 [2019-09-20 21:27:57,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:27:57,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:27:57,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:57,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:27:57,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:27:57,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:57,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d52fceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57, skipping insertion in model container [2019-09-20 21:27:57,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:57,024 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:27:57,076 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:27:57,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:57,557 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:27:57,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:57,710 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:27:57,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57 WrapperNode [2019-09-20 21:27:57,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:57,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:27:57,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:27:57,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:27:57,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57" (1/1) ... [2019-09-20 21:27:57,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57" (1/1) ... [2019-09-20 21:27:57,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57" (1/1) ... [2019-09-20 21:27:57,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57" (1/1) ... [2019-09-20 21:27:57,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57" (1/1) ... [2019-09-20 21:27:57,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57" (1/1) ... [2019-09-20 21:27:57,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57" (1/1) ... [2019-09-20 21:27:57,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:27:57,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:27:57,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:27:57,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:27:57,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:27:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:27:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:27:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:27:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:27:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 21:27:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 21:27:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 21:27:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 21:27:57,875 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-09-20 21:27:57,875 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-09-20 21:27:57,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:27:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:27:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:27:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:27:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:27:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:27:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:27:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:27:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:27:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:27:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:27:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:27:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:27:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:27:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:27:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:27:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:27:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:27:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:27:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:27:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:27:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:27:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:27:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:27:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:27:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:27:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:27:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:27:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:27:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:27:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:27:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:27:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:27:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:27:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:27:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:27:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:27:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:27:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:27:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:27:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:27:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:27:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:27:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:27:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:27:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:27:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:27:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:27:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:27:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:27:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:27:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:27:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:27:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:27:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:27:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:27:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:27:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:27:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:27:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:27:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:27:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:27:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:27:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:27:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:27:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:27:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:27:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:27:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:27:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:27:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:27:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:27:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:27:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:27:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:27:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:27:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:27:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:27:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:27:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:27:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:27:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:27:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:27:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:27:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:27:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:27:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:27:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:27:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:27:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:27:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:27:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:27:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:27:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:27:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:27:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:27:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:27:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:27:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:27:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:27:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:27:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:27:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:27:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:27:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:27:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:27:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:27:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 21:27:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 21:27:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:27:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:27:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:27:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 21:27:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 21:27:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:27:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:27:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-09-20 21:27:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:27:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-09-20 21:27:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:27:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:27:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:27:58,358 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 21:27:58,613 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:27:58,613 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 21:27:58,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:58 BoogieIcfgContainer [2019-09-20 21:27:58,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:27:58,615 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:27:58,616 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:27:58,616 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:27:58,617 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:58" (1/1) ... [2019-09-20 21:27:58,618 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:27:58,643 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:27:58,644 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:27:58,652 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:27:58,661 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:27:58,662 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:27:58,800 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:27:58,842 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:58,968 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 21:27:59,397 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-20 21:27:59,681 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:59,710 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:28:01,938 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 129 DAG size of output: 126 [2019-09-20 21:28:03,005 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 21:28:04,081 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 21:28:06,334 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 21:28:06,358 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:28:07,621 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2019-09-20 21:28:07,843 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-20 21:28:08,247 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2019-09-20 21:28:08,612 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-20 21:28:08,836 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-20 21:28:08,837 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.AssertionError: no XNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionReturn(PredicateTransformer.java:202) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postReturn(SymbolicTools.java:147) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:232) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-20 21:28:08,843 INFO L168 Benchmark]: Toolchain (without parser) took 11836.53 ms. Allocated memory was 132.6 MB in the beginning and 307.2 MB in the end (delta: 174.6 MB). Free memory was 84.3 MB in the beginning and 179.4 MB in the end (delta: -95.1 MB). Peak memory consumption was 132.7 MB. Max. memory is 7.1 GB. [2019-09-20 21:28:08,843 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:28:08,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.44 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 84.1 MB in the beginning and 162.9 MB in the end (delta: -78.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-20 21:28:08,845 INFO L168 Benchmark]: Boogie Preprocessor took 95.28 ms. Allocated memory is still 200.3 MB. Free memory was 162.9 MB in the beginning and 160.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 21:28:08,846 INFO L168 Benchmark]: RCFGBuilder took 807.13 ms. Allocated memory is still 200.3 MB. Free memory was 160.5 MB in the beginning and 105.2 MB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 7.1 GB. [2019-09-20 21:28:08,847 INFO L168 Benchmark]: Sifa took 10225.49 ms. Allocated memory was 200.3 MB in the beginning and 307.2 MB in the end (delta: 107.0 MB). Free memory was 104.6 MB in the beginning and 179.4 MB in the end (delta: -74.8 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2019-09-20 21:28:08,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.44 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 84.1 MB in the beginning and 162.9 MB in the end (delta: -78.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.28 ms. Allocated memory is still 200.3 MB. Free memory was 162.9 MB in the beginning and 160.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 807.13 ms. Allocated memory is still 200.3 MB. Free memory was 160.5 MB in the beginning and 105.2 MB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 7.1 GB. * Sifa took 10225.49 ms. Allocated memory was 200.3 MB in the beginning and 307.2 MB in the end (delta: 107.0 MB). Free memory was 104.6 MB in the beginning and 179.4 MB in the end (delta: -74.8 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: AssertionError: no XNF de.uni_freiburg.informatik.ultimate.plugins.sifa: AssertionError: no XNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...