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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:49,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:49,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:49,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:49,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:49,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:49,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:49,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:49,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:49,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:49,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:49,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:49,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:49,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:49,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:49,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:49,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:49,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:49,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:49,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:49,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:49,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:49,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:49,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:49,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:29:49,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:29:49,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:29:49,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:29:49,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:29:49,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:29:49,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:29:49,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:29:49,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:29:49,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:29:49,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:29:49,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:29:49,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:29:49,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:29:49,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:49,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:49,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:49,985 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 16:29:50,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:50,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:50,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:50,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:50,009 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:50,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:50,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:50,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:50,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:50,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:50,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:50,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:50,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:50,012 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:50,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:50,012 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:50,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:50,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:50,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:50,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:50,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:50,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:50,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:50,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:50,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:50,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:50,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:50,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:50,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:29:50,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:50,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:50,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:50,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:50,079 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:50,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-20 16:29:50,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df8ab0ae/f1048001ad684c74ae2db947b09245f6/FLAG622166b10 [2019-09-20 16:29:50,611 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:50,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-20 16:29:50,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df8ab0ae/f1048001ad684c74ae2db947b09245f6/FLAG622166b10 [2019-09-20 16:29:50,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df8ab0ae/f1048001ad684c74ae2db947b09245f6 [2019-09-20 16:29:50,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:50,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:50,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:50,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:50,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:50,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:50" (1/1) ... [2019-09-20 16:29:50,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f28fe78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:50, skipping insertion in model container [2019-09-20 16:29:50,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:50" (1/1) ... [2019-09-20 16:29:50,929 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:50,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:51,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:51,409 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:51,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:51,560 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:51,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:51 WrapperNode [2019-09-20 16:29:51,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:51,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:51,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:51,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:51,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:51" (1/1) ... [2019-09-20 16:29:51,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:51" (1/1) ... [2019-09-20 16:29:51,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:51" (1/1) ... [2019-09-20 16:29:51,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:51" (1/1) ... [2019-09-20 16:29:51,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:51" (1/1) ... [2019-09-20 16:29:51,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:51" (1/1) ... [2019-09-20 16:29:51,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:51" (1/1) ... [2019-09-20 16:29:51,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:51,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:51,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:51,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:51,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:51" (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 16:29:51,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:51,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:51,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 16:29:51,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 16:29:51,685 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 16:29:51,686 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 16:29:51,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 16:29:51,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-20 16:29:51,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-20 16:29:51,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-20 16:29:51,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:51,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:51,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 16:29:51,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 16:29:51,687 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 16:29:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 16:29:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 16:29:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 16:29:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 16:29:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 16:29:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 16:29:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 16:29:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 16:29:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 16:29:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 16:29:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 16:29:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 16:29:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 16:29:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 16:29:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 16:29:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 16:29:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 16:29:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 16:29:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 16:29:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 16:29:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 16:29:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 16:29:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 16:29:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 16:29:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 16:29:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 16:29:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 16:29:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 16:29:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 16:29:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 16:29:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 16:29:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 16:29:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 16:29:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 16:29:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 16:29:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 16:29:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 16:29:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 16:29:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 16:29:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 16:29:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 16:29:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 16:29:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 16:29:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 16:29:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 16:29:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 16:29:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 16:29:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 16:29:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 16:29:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:29:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 16:29:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 16:29:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:29:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 16:29:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 16:29:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 16:29:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 16:29:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 16:29:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 16:29:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 16:29:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 16:29:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 16:29:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 16:29:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 16:29:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 16:29:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 16:29:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 16:29:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 16:29:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 16:29:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 16:29:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 16:29:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 16:29:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 16:29:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 16:29:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 16:29:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 16:29:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 16:29:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 16:29:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 16:29:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 16:29:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 16:29:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 16:29:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 16:29:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 16:29:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 16:29:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 16:29:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 16:29:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 16:29:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 16:29:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 16:29:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 16:29:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 16:29:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 16:29:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 16:29:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 16:29:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 16:29:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 16:29:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 16:29:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 16:29:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 16:29:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 16:29:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 16:29:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 16:29:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 16:29:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:29:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:29:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 16:29:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-20 16:29:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:29:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-20 16:29:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-20 16:29:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:52,177 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 16:29:52,421 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:52,422 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 16:29:52,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:52 BoogieIcfgContainer [2019-09-20 16:29:52,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:52,424 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:52,424 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:52,424 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:52,425 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:52" (1/1) ... [2019-09-20 16:29:52,426 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 16:29:52,449 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:52,449 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:52,457 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:52,465 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:52,467 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:52,595 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 16:29:52,732 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 16:29:53,102 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 16:29:53,399 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-20 16:29:53,538 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 16:29:53,748 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-20 16:29:53,997 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 16:29:54,136 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 16:29:54,421 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 16:29:54,975 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:54,976 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:54,978 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 96#(and (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 2 main_~expected~0) (<= main_~i~0 2) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~expected~0 4) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-09-20 16:29:54,990 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:54,990 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:54,991 INFO L168 Benchmark]: Toolchain (without parser) took 4077.33 ms. Allocated memory was 133.7 MB in the beginning and 260.6 MB in the end (delta: 126.9 MB). Free memory was 88.2 MB in the beginning and 86.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 128.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:54,992 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:54,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.61 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.0 MB in the beginning and 160.9 MB in the end (delta: -72.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:54,996 INFO L168 Benchmark]: Boogie Preprocessor took 71.35 ms. Allocated memory is still 200.3 MB. Free memory was 160.9 MB in the beginning and 158.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:55,002 INFO L168 Benchmark]: RCFGBuilder took 790.01 ms. Allocated memory is still 200.3 MB. Free memory was 157.8 MB in the beginning and 96.0 MB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:55,003 INFO L168 Benchmark]: Sifa took 2566.26 ms. Allocated memory was 200.3 MB in the beginning and 260.6 MB in the end (delta: 60.3 MB). Free memory was 96.0 MB in the beginning and 86.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 69.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:55,007 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 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.61 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.0 MB in the beginning and 160.9 MB in the end (delta: -72.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.35 ms. Allocated memory is still 200.3 MB. Free memory was 160.9 MB in the beginning and 158.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 790.01 ms. Allocated memory is still 200.3 MB. Free memory was 157.8 MB in the beginning and 96.0 MB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. * Sifa took 2566.26 ms. Allocated memory was 200.3 MB in the beginning and 260.6 MB in the end (delta: 60.3 MB). Free memory was 96.0 MB in the beginning and 86.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 69.8 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]: 2529, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 63, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 43, TOOLS_POST_TIME[ms]: 2032, TOOLS_POST_CALL_APPLICATIONS: 14, TOOLS_POST_CALL_TIME[ms]: 44, TOOLS_POST_RETURN_APPLICATIONS: 13, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_APPLICATIONS: 70, TOOLS_QUANTIFIERELIM_TIME[ms]: 2068, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 777, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 74, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 326, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1620, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1619, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 13, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2239, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2238, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 139, DAG_COMPRESSION_RETAINED_NODES: 71 - 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 96#(and (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 2 main_~expected~0) (<= main_~i~0 2) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~expected~0 4) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...