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 SingleStatement --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-efa34d5 [2019-09-18 11:56:08,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:56:08,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:56:08,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:56:08,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:56:08,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:56:08,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:56:08,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:56:08,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:56:08,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:56:08,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:56:08,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:56:08,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:56:08,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:56:08,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:56:08,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:56:08,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:56:08,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:56:08,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:56:08,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:56:08,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:56:08,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:56:08,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:56:08,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:56:08,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:56:08,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:56:08,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:56:08,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:56:08,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:56:08,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:56:08,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:56:08,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:56:08,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:56:08,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:56:08,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:56:08,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:56:08,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:56:08,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:56:08,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:56:08,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:56:08,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:56:08,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 11:56:08,302 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:56:08,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:56:08,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:56:08,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:56:08,304 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:56:08,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:56:08,304 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:56:08,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:56:08,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:56:08,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:56:08,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:56:08,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:56:08,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:56:08,306 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:56:08,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:56:08,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:56:08,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:56:08,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:56:08,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:56:08,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:56:08,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:56:08,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:56:08,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:56:08,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:56:08,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:56:08,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:56:08,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:56:08,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:56:08,309 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 -> SingleStatement 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 [2019-09-18 11:56:08,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:56:08,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:56:08,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:56:08,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:56:08,357 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:56:08,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-18 11:56:08,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bceab41e/c78e8cbb16b948899fb0774fc92f69e3/FLAG96b2c1a51 [2019-09-18 11:56:08,922 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:56:08,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-18 11:56:08,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bceab41e/c78e8cbb16b948899fb0774fc92f69e3/FLAG96b2c1a51 [2019-09-18 11:56:09,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bceab41e/c78e8cbb16b948899fb0774fc92f69e3 [2019-09-18 11:56:09,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:56:09,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:56:09,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:56:09,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:56:09,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:56:09,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:56:09" (1/1) ... [2019-09-18 11:56:09,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ee50b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09, skipping insertion in model container [2019-09-18 11:56:09,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:56:09" (1/1) ... [2019-09-18 11:56:09,284 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:56:09,345 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:56:09,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:56:09,800 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:56:09,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:56:09,910 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:56:09,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09 WrapperNode [2019-09-18 11:56:09,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:56:09,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:56:09,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:56:09,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:56:09,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09" (1/1) ... [2019-09-18 11:56:09,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09" (1/1) ... [2019-09-18 11:56:09,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09" (1/1) ... [2019-09-18 11:56:09,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09" (1/1) ... [2019-09-18 11:56:09,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09" (1/1) ... [2019-09-18 11:56:09,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09" (1/1) ... [2019-09-18 11:56:09,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09" (1/1) ... [2019-09-18 11:56:09,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:56:09,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:56:09,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:56:09,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:56:09,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:56:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:56:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:56:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 11:56:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 11:56:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 11:56:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 11:56:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-18 11:56:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-18 11:56:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-18 11:56:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-18 11:56:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:56:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:56:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 11:56:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 11:56:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 11:56:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 11:56:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 11:56:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 11:56:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 11:56:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 11:56:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 11:56:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 11:56:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 11:56:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 11:56:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 11:56:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 11:56:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 11:56:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 11:56:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 11:56:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 11:56:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 11:56:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 11:56:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 11:56:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 11:56:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 11:56:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 11:56:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 11:56:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 11:56:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 11:56:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 11:56:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 11:56:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 11:56:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 11:56:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 11:56:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 11:56:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 11:56:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 11:56:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 11:56:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 11:56:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 11:56:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 11:56:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 11:56:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 11:56:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 11:56:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 11:56:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 11:56:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 11:56:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 11:56:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 11:56:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 11:56:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 11:56:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 11:56:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 11:56:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 11:56:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 11:56:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 11:56:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 11:56:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 11:56:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 11:56:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 11:56:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 11:56:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 11:56:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 11:56:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 11:56:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 11:56:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 11:56:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 11:56:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 11:56:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 11:56:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 11:56:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 11:56:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 11:56:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 11:56:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 11:56:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 11:56:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 11:56:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 11:56:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 11:56:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 11:56:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 11:56:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 11:56:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 11:56:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 11:56:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 11:56:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 11:56:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 11:56:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 11:56:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 11:56:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 11:56:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 11:56:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 11:56:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 11:56:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 11:56:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 11:56:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 11:56:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 11:56:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 11:56:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 11:56:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 11:56:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 11:56:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 11:56:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 11:56:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 11:56:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 11:56:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 11:56:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 11:56:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 11:56:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 11:56:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 11:56:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 11:56:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 11:56:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 11:56:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-18 11:56:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-18 11:56:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 11:56:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:56:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-18 11:56:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 11:56:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-18 11:56:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:56:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:56:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:56:10,530 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 11:56:10,681 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:56:10,681 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-18 11:56:10,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:56:10 BoogieIcfgContainer [2019-09-18 11:56:10,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:56:10,683 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:56:10,683 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:56:10,684 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:56:10,685 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:56:10" (1/1) ... [2019-09-18 11:56:10,686 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 [2019-09-18 11:56:10,710 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:56:10,710 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:56:10,720 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:56:10,729 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:56:10,730 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:56:10,876 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 11:56:10,976 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 11:56:12,496 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-18 11:56:12,661 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-18 11:56:13,438 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2019-09-18 11:56:13,739 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 11:56:14,019 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 11:56:14,233 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-18 11:56:14,617 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-18 11:56:15,070 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-18 11:56:15,233 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-18 11:56:15,827 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:56:16,019 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:56:17,177 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2019-09-18 11:56:17,716 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-18 11:56:18,201 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 11:56:18,670 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-18 11:56:19,136 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 11:56:19,582 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 11:56:19,982 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 11:56:20,341 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 11:56:20,890 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-18 11:56:20,926 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:21,090 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 11:56:21,300 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 11:56:21,476 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 11:56:21,625 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-18 11:56:21,853 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:56:22,280 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-18 11:56:22,706 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-18 11:56:22,892 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 11:56:23,068 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 11:56:23,435 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-18 11:56:23,630 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 11:56:23,988 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-18 11:56:24,159 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 11:56:24,840 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-18 11:56:25,525 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-18 11:56:25,789 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-18 11:56:26,712 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-18 11:56:26,898 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-18 11:56:27,524 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 11:56:27,615 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:27,744 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-18 11:56:27,820 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:28,015 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2019-09-18 11:56:28,287 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-18 11:56:28,305 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:28,586 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:56:29,380 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-18 11:56:29,635 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:56:29,635 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:56:29,637 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 332#(exists ((v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 Int) (v_prenex_11 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3 Int) (v_prenex_10 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= (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)) (+ main_~i~0 main_~len~0 1)) (<= 0 (+ (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) 2147483648)) (= (+ main_~i~0 2) main_~len~0) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) 2147483647) (= main_~s~0.offset 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (not (= (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) main_~expected~0)) (< 0 (+ main_~i~0 2)) (= (* 2 main_~len~0) (+ main_~new_data~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)) 2147483647) (= |#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) (= main_~i~0 (+ main_~len~0 (- 1))) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) 2147483648)) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= main_~s~0.offset 0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) 2147483647) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) main_~expected~0)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2)))) [2019-09-18 11:56:29,652 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:56:29,652 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:56:29,654 INFO L168 Benchmark]: Toolchain (without parser) took 20387.72 ms. Allocated memory was 138.4 MB in the beginning and 448.3 MB in the end (delta: 309.9 MB). Free memory was 84.3 MB in the beginning and 85.1 MB in the end (delta: -781.4 kB). Peak memory consumption was 309.1 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:29,654 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:56:29,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.45 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 84.1 MB in the beginning and 160.9 MB in the end (delta: -76.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:29,655 INFO L168 Benchmark]: Boogie Preprocessor took 66.81 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 157.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:29,658 INFO L168 Benchmark]: RCFGBuilder took 704.21 ms. Allocated memory is still 199.2 MB. Free memory was 157.7 MB in the beginning and 103.9 MB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:29,659 INFO L168 Benchmark]: Sifa took 18968.82 ms. Allocated memory was 199.2 MB in the beginning and 448.3 MB in the end (delta: 249.0 MB). Free memory was 103.9 MB in the beginning and 85.1 MB in the end (delta: 18.8 MB). Peak memory consumption was 267.8 MB. Max. memory is 7.1 GB. [2019-09-18 11:56:29,661 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 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.45 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 84.1 MB in the beginning and 160.9 MB in the end (delta: -76.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.81 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 157.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 704.21 ms. Allocated memory is still 199.2 MB. Free memory was 157.7 MB in the beginning and 103.9 MB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. * Sifa took 18968.82 ms. Allocated memory was 199.2 MB in the beginning and 448.3 MB in the end (delta: 249.0 MB). Free memory was 103.9 MB in the beginning and 85.1 MB in the end (delta: 18.8 MB). Peak memory consumption was 267.8 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]: 18927, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 217, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 194, TOOLS_POST_TIME[ms]: 4746, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME[ms]: 127, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 7958, TOOLS_QUANTIFIERELIM_APPLICATIONS: 223, TOOLS_QUANTIFIERELIM_TIME[ms]: 12756, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5029, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 231, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 40, DOMAIN_JOIN_TIME[ms]: 4048, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 1867, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME[ms]: 32, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15243, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15243, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 17359, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 17358, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 337, DAG_COMPRESSION_RETAINED_NODES: 193 - 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 332#(exists ((v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 Int) (v_prenex_11 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3 Int) (v_prenex_10 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= (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)) (+ main_~i~0 main_~len~0 1)) (<= 0 (+ (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) 2147483648)) (= (+ main_~i~0 2) main_~len~0) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) 2147483647) (= main_~s~0.offset 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (not (= (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) main_~expected~0)) (< 0 (+ main_~i~0 2)) (= (* 2 main_~len~0) (+ main_~new_data~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)) 2147483647) (= |#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) (= main_~i~0 (+ main_~len~0 (- 1))) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) 2147483648)) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= main_~s~0.offset 0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) 2147483647) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) main_~expected~0)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...