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-fea9116 [2019-09-20 18:29:55,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:29:55,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:29:55,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:29:55,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:29:55,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:29:55,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:29:55,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:29:55,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:29:55,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:29:55,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:29:55,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:29:55,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:29:55,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:29:55,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:29:55,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:29:55,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:29:55,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:29:55,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:29:55,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:29:55,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:29:55,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:29:55,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:29:55,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:29:55,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:29:55,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:29:55,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:29:55,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:29:55,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:29:55,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:29:55,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:29:55,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:29:55,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:29:55,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:29:55,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:29:55,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:29:55,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:29:55,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:29:55,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:29:55,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:29:55,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:29:55,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 18:29:55,348 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:29:55,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:29:55,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:29:55,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:29:55,351 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:29:55,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:29:55,352 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:29:55,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:29:55,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:29:55,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:29:55,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:29:55,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:29:55,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:29:55,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:29:55,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:29:55,355 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:29:55,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:29:55,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:29:55,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:29:55,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:29:55,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:29:55,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:29:55,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:29:55,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:29:55,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:29:55,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:29:55,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:29:55,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:29:55,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:29:55,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:29:55,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:29:55,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:29:55,430 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:29:55,430 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:29:55,431 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-20 18:29:55,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6620dbdc/718851ef3e9c4cf19eb5cd4a929cc9b5/FLAGd2b457b4f [2019-09-20 18:29:55,991 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:29:55,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-20 18:29:56,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6620dbdc/718851ef3e9c4cf19eb5cd4a929cc9b5/FLAGd2b457b4f [2019-09-20 18:29:56,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6620dbdc/718851ef3e9c4cf19eb5cd4a929cc9b5 [2019-09-20 18:29:56,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:29:56,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:29:56,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:56,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:29:56,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:29:56,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:56" (1/1) ... [2019-09-20 18:29:56,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e8a38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56, skipping insertion in model container [2019-09-20 18:29:56,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:56" (1/1) ... [2019-09-20 18:29:56,325 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:29:56,373 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:29:56,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:56,813 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:29:56,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:56,925 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:29:56,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56 WrapperNode [2019-09-20 18:29:56,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:56,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:29:56,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:29:56,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:29:56,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56" (1/1) ... [2019-09-20 18:29:56,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56" (1/1) ... [2019-09-20 18:29:56,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56" (1/1) ... [2019-09-20 18:29:56,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56" (1/1) ... [2019-09-20 18:29:57,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56" (1/1) ... [2019-09-20 18:29:57,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56" (1/1) ... [2019-09-20 18:29:57,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56" (1/1) ... [2019-09-20 18:29:57,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:29:57,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:29:57,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:29:57,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:29:57,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:29:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:29:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:29:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 18:29:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 18:29:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 18:29:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 18:29:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 18:29:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 18:29:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-09-20 18:29:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-09-20 18:29:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:29:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:29:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 18:29:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 18:29:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 18:29:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 18:29:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 18:29:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 18:29:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 18:29:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 18:29:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 18:29:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 18:29:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 18:29:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 18:29:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 18:29:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 18:29:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 18:29:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 18:29:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 18:29:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 18:29:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 18:29:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 18:29:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 18:29:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 18:29:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 18:29:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 18:29:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 18:29:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 18:29:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 18:29:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 18:29:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 18:29:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 18:29:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 18:29:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 18:29:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 18:29:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 18:29:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 18:29:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 18:29:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 18:29:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 18:29:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 18:29:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 18:29:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 18:29:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 18:29:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 18:29:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 18:29:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 18:29:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 18:29:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 18:29:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 18:29:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 18:29:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 18:29:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 18:29:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 18:29:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 18:29:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 18:29:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 18:29:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 18:29:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 18:29:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 18:29:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 18:29:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 18:29:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 18:29:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 18:29:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 18:29:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 18:29:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 18:29:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 18:29:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 18:29:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 18:29:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 18:29:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 18:29:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 18:29:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 18:29:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 18:29:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 18:29:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 18:29:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 18:29:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 18:29:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 18:29:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 18:29:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 18:29:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 18:29:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 18:29:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 18:29:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 18:29:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 18:29:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 18:29:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 18:29:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 18:29:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 18:29:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 18:29:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 18:29:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 18:29:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 18:29:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 18:29:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 18:29:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 18:29:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 18:29:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 18:29:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 18:29:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 18:29:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 18:29:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 18:29:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 18:29:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 18:29:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 18:29:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 18:29:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 18:29:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 18:29:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 18:29:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:29:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 18:29:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 18:29:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 18:29:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:29:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-09-20 18:29:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:29:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-09-20 18:29:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:29:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:29:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:29:57,528 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 18:29:57,651 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:29:57,651 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 18:29:57,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:57 BoogieIcfgContainer [2019-09-20 18:29:57,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:29:57,653 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:29:57,653 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:29:57,654 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:29:57,655 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:57" (1/1) ... [2019-09-20 18:29:57,655 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:29:57,676 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:29:57,677 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:29:57,684 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:29:57,692 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:29:57,693 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:29:57,845 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 18:29:57,966 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 18:29:58,972 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-20 18:29:59,112 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 18:29:59,628 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 18:29:59,786 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 18:29:59,921 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 18:30:00,145 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 18:30:00,266 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 18:30:00,657 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-20 18:30:02,021 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 18:30:02,213 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-20 18:30:02,581 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:30:02,581 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:30:02,583 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)))) [2019-09-20 18:30:02,598 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:30:02,598 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:30:02,600 INFO L168 Benchmark]: Toolchain (without parser) took 6288.74 ms. Allocated memory was 133.7 MB in the beginning and 306.7 MB in the end (delta: 173.0 MB). Free memory was 88.2 MB in the beginning and 104.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 156.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:30:02,600 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 18:30:02,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.10 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 164.3 MB in the end (delta: -76.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-20 18:30:02,602 INFO L168 Benchmark]: Boogie Preprocessor took 96.86 ms. Allocated memory is still 201.3 MB. Free memory was 164.3 MB in the beginning and 160.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:30:02,603 INFO L168 Benchmark]: RCFGBuilder took 626.52 ms. Allocated memory is still 201.3 MB. Free memory was 160.7 MB in the beginning and 114.3 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:30:02,604 INFO L168 Benchmark]: Sifa took 4945.15 ms. Allocated memory was 201.3 MB in the beginning and 306.7 MB in the end (delta: 105.4 MB). Free memory was 114.3 MB in the beginning and 104.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:30:02,607 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.10 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 164.3 MB in the end (delta: -76.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.86 ms. Allocated memory is still 201.3 MB. Free memory was 164.3 MB in the beginning and 160.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 626.52 ms. Allocated memory is still 201.3 MB. Free memory was 160.7 MB in the beginning and 114.3 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. * Sifa took 4945.15 ms. Allocated memory was 201.3 MB in the beginning and 306.7 MB in the end (delta: 105.4 MB). Free memory was 114.3 MB in the beginning and 104.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 115.1 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]: 4907, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 88, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 69, TOOLS_POST_TIME[ms]: 1672, TOOLS_POST_CALL_APPLICATIONS: 14, TOOLS_POST_CALL_TIME[ms]: 107, TOOLS_POST_RETURN_APPLICATIONS: 13, TOOLS_POST_RETURN_TIME[ms]: 738, TOOLS_QUANTIFIERELIM_APPLICATIONS: 96, TOOLS_QUANTIFIERELIM_TIME[ms]: 2471, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 847, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 103, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 1241, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 985, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 18, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4450, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4449, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 13, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4181, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4180, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 34, 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...