java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:12:34,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:12:34,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:12:34,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:12:34,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:12:34,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:12:34,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:12:34,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:12:34,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:12:34,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:12:34,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:12:34,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:12:34,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:12:34,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:12:34,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:12:34,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:12:34,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:12:34,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:12:34,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:12:34,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:12:34,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:12:34,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:12:34,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:12:34,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:12:34,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:12:34,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:12:34,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:12:34,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:12:34,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:12:34,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:12:34,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:12:34,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:12:34,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:12:34,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:12:34,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:12:34,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:12:34,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:12:34,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:12:34,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:12:34,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:12:34,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:12:34,347 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 03:12:34,362 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:12:34,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:12:34,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:12:34,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:12:34,363 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:12:34,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:12:34,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:12:34,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:12:34,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:12:34,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:12:34,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:12:34,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:12:34,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:12:34,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:12:34,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:12:34,366 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:12:34,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:12:34,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:12:34,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:12:34,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:12:34,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:12:34,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:12:34,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:12:34,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:12:34,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:12:34,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:12:34,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:12:34,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:12:34,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 03:12:34,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:12:34,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:12:34,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:12:34,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:12:34,422 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:12:34,423 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-18 03:12:34,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d51c362f5/8a3a87d577e2478b90db69216bbd2286/FLAG468b3d213 [2019-09-18 03:12:35,004 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:12:35,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-18 03:12:35,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d51c362f5/8a3a87d577e2478b90db69216bbd2286/FLAG468b3d213 [2019-09-18 03:12:35,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d51c362f5/8a3a87d577e2478b90db69216bbd2286 [2019-09-18 03:12:35,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:12:35,342 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:12:35,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:12:35,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:12:35,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:12:35,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:35,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a05baf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35, skipping insertion in model container [2019-09-18 03:12:35,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:35,363 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:12:35,411 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:12:35,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:12:35,873 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:12:35,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:12:36,037 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:12:36,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:36 WrapperNode [2019-09-18 03:12:36,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:12:36,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:12:36,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:12:36,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:12:36,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:36" (1/1) ... [2019-09-18 03:12:36,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:36" (1/1) ... [2019-09-18 03:12:36,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:36" (1/1) ... [2019-09-18 03:12:36,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:36" (1/1) ... [2019-09-18 03:12:36,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:36" (1/1) ... [2019-09-18 03:12:36,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:36" (1/1) ... [2019-09-18 03:12:36,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:36" (1/1) ... [2019-09-18 03:12:36,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:12:36,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:12:36,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:12:36,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:12:36,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:36" (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 03:12:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:12:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:12:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 03:12:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 03:12:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 03:12:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 03:12:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-18 03:12:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-18 03:12:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-09-18 03:12:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-09-18 03:12:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:12:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:12:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 03:12:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 03:12:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 03:12:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 03:12:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 03:12:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 03:12:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 03:12:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 03:12:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 03:12:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 03:12:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 03:12:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 03:12:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 03:12:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 03:12:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 03:12:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 03:12:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 03:12:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 03:12:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 03:12:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 03:12:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 03:12:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 03:12:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 03:12:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 03:12:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 03:12:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 03:12:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 03:12:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 03:12:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 03:12:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 03:12:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 03:12:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 03:12:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 03:12:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 03:12:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 03:12:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 03:12:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 03:12:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 03:12:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 03:12:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 03:12:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 03:12:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 03:12:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 03:12:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 03:12:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 03:12:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 03:12:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 03:12:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 03:12:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 03:12:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 03:12:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 03:12:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 03:12:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:12:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 03:12:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 03:12:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:12:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 03:12:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 03:12:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 03:12:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 03:12:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 03:12:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 03:12:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 03:12:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 03:12:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 03:12:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 03:12:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 03:12:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 03:12:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 03:12:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 03:12:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 03:12:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 03:12:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 03:12:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 03:12:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 03:12:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 03:12:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 03:12:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 03:12:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 03:12:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 03:12:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 03:12:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 03:12:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 03:12:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 03:12:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 03:12:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 03:12:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 03:12:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 03:12:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 03:12:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 03:12:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 03:12:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 03:12:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 03:12:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 03:12:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 03:12:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 03:12:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 03:12:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 03:12:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 03:12:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 03:12:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 03:12:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 03:12:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 03:12:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 03:12:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 03:12:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 03:12:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 03:12:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:12:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:12:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:12:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-18 03:12:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-18 03:12:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:12:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:12:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-09-18 03:12:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:12:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-09-18 03:12:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:12:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:12:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:12:36,586 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 03:12:36,720 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:12:36,721 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-18 03:12:36,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:12:36 BoogieIcfgContainer [2019-09-18 03:12:36,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:12:36,723 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:12:36,723 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:12:36,723 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:12:36,725 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:12:36" (1/1) ... [2019-09-18 03:12:36,725 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 03:12:36,749 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:12:36,749 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:12:36,757 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:12:36,766 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:12:36,767 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:12:36,924 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 03:12:37,073 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 03:12:38,171 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-18 03:12:38,302 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:12:38,440 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 03:12:38,854 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:12:39,019 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 03:12:39,163 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 03:12:39,311 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-18 03:12:39,646 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-18 03:12:39,948 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-18 03:12:41,588 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-18 03:12:41,925 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:12:41,926 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:12:41,928 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 179#(exists ((v_sll_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_prenex_27 Int) (v_prenex_26 Int) (v_prenex_18 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_4 Int) (v_prenex_29 Int) (v_prenex_28 Int) (v_prenex_23 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_21 Int) (v_prenex_20 Int) (v_prenex_6 Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_prenex_5 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_prenex_19 Int)) (or (and (< main_~i~0 (+ main_~len~0 2)) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= main_~len~0 1) (= (+ (select (select |#memory_int| v_prenex_18) v_prenex_19) 1) (+ main_~i~0 main_~len~0 (- 1))) (= main_~len~0 main_~new_data~0) (= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483647) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_25) v_prenex_24))) (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 1)) (<= 0 (+ (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483648)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483648)) (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_prenex_4) v_prenex_5) 1)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= main_~len~0 1) (= main_~len~0 main_~new_data~0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) main_~expected~0)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (< main_~i~0 (+ main_~len~0 2)) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= 0 (+ (select (select |#memory_int| v_prenex_27) v_prenex_26) 2147483648)) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483649) (= (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= (select (select |#memory_int| v_prenex_27) v_prenex_26) 2147483647) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_27) v_prenex_26))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ (select (select |#memory_int| v_prenex_7) v_prenex_6) 1) (+ main_~i~0 main_~len~0)) (= main_~len~0 2)) (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_28) v_prenex_29) 2147483648)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_28) v_prenex_29) main_~expected~0)) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2) (<= (select (select |#memory_int| v_prenex_28) v_prenex_29) 2147483647) (= main_~i~0 0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= (+ main_~len~0 1) main_~new_data~0) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (<= 0 (+ (select (select |#memory_int| v_prenex_23) v_prenex_22) 2147483648)) (not (= (select (select |#memory_int| v_prenex_23) v_prenex_22) main_~expected~0)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (<= (select (select |#memory_int| v_prenex_23) v_prenex_22) 2147483647) (= (+ (select (select |#memory_int| v_prenex_21) v_prenex_20) 1) (+ main_~i~0 main_~len~0)) (= main_~len~0 2)))) [2019-09-18 03:12:41,942 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:12:41,943 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:12:41,944 INFO L168 Benchmark]: Toolchain (without parser) took 6602.31 ms. Allocated memory was 138.9 MB in the beginning and 315.1 MB in the end (delta: 176.2 MB). Free memory was 85.2 MB in the beginning and 145.2 MB in the end (delta: -60.1 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:41,945 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:12:41,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.47 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.0 MB in the beginning and 161.0 MB in the end (delta: -76.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:41,947 INFO L168 Benchmark]: Boogie Preprocessor took 63.93 ms. Allocated memory is still 199.2 MB. Free memory was 161.0 MB in the beginning and 158.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:41,948 INFO L168 Benchmark]: RCFGBuilder took 619.48 ms. Allocated memory is still 199.2 MB. Free memory was 158.4 MB in the beginning and 111.6 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:41,948 INFO L168 Benchmark]: Sifa took 5220.05 ms. Allocated memory was 199.2 MB in the beginning and 315.1 MB in the end (delta: 115.9 MB). Free memory was 111.6 MB in the beginning and 145.2 MB in the end (delta: -33.6 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:41,952 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.47 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.0 MB in the beginning and 161.0 MB in the end (delta: -76.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.93 ms. Allocated memory is still 199.2 MB. Free memory was 161.0 MB in the beginning and 158.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 619.48 ms. Allocated memory is still 199.2 MB. Free memory was 158.4 MB in the beginning and 111.6 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. * Sifa took 5220.05 ms. Allocated memory was 199.2 MB in the beginning and 315.1 MB in the end (delta: 115.9 MB). Free memory was 111.6 MB in the beginning and 145.2 MB in the end (delta: -33.6 MB). Peak memory consumption was 82.2 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]: 5180, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 88, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 69, TOOLS_POST_TIME[ms]: 1794, TOOLS_POST_CALL_APPLICATIONS: 14, TOOLS_POST_CALL_TIME[ms]: 102, TOOLS_POST_RETURN_APPLICATIONS: 13, TOOLS_POST_RETURN_TIME[ms]: 796, TOOLS_QUANTIFIERELIM_APPLICATIONS: 96, TOOLS_QUANTIFIERELIM_TIME[ms]: 2642, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 879, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 103, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 1286, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 1047, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4734, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4733, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 13, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4469, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4468, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 271, DAG_COMPRESSION_RETAINED_NODES: 107 - UnprovableResult [Line: 619]: 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 179#(exists ((v_sll_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_prenex_27 Int) (v_prenex_26 Int) (v_prenex_18 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_4 Int) (v_prenex_29 Int) (v_prenex_28 Int) (v_prenex_23 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_21 Int) (v_prenex_20 Int) (v_prenex_6 Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_prenex_5 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_prenex_19 Int)) (or (and (< main_~i~0 (+ main_~len~0 2)) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= main_~len~0 1) (= (+ (select (select |#memory_int| v_prenex_18) v_prenex_19) 1) (+ main_~i~0 main_~len~0 (- 1))) (= main_~len~0 main_~new_data~0) (= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483647) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_25) v_prenex_24))) (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 1)) (<= 0 (+ (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483648)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483648)) (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_prenex_4) v_prenex_5) 1)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= main_~len~0 1) (= main_~len~0 main_~new_data~0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) main_~expected~0)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (< main_~i~0 (+ main_~len~0 2)) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= 0 (+ (select (select |#memory_int| v_prenex_27) v_prenex_26) 2147483648)) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483649) (= (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= (select (select |#memory_int| v_prenex_27) v_prenex_26) 2147483647) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_27) v_prenex_26))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ (select (select |#memory_int| v_prenex_7) v_prenex_6) 1) (+ main_~i~0 main_~len~0)) (= main_~len~0 2)) (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_28) v_prenex_29) 2147483648)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_28) v_prenex_29) main_~expected~0)) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2) (<= (select (select |#memory_int| v_prenex_28) v_prenex_29) 2147483647) (= main_~i~0 0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= (+ main_~len~0 1) main_~new_data~0) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (<= 0 (+ (select (select |#memory_int| v_prenex_23) v_prenex_22) 2147483648)) (not (= (select (select |#memory_int| v_prenex_23) v_prenex_22) main_~expected~0)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (<= (select (select |#memory_int| v_prenex_23) v_prenex_22) 2147483647) (= (+ (select (select |#memory_int| v_prenex_21) v_prenex_20) 1) (+ main_~i~0 main_~len~0)) (= main_~len~0 2)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...