java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:12:23,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:12:23,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:12:23,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:12:23,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:12:23,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:12:23,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:12:23,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:12:23,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:12:23,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:12:23,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:12:23,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:12:23,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:12:23,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:12:23,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:12:23,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:12:23,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:12:23,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:12:23,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:12:23,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:12:23,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:12:23,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:12:23,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:12:23,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:12:23,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:12:23,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:12:23,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:12:23,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:12:23,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:12:23,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:12:23,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:12:23,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:12:23,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:12:23,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:12:23,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:12:23,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:12:23,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:12:23,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:12:23,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:12:23,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:12:23,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:12:23,369 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 [2019-09-21 09:12:23,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:12:23,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:12:23,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:12:23,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:12:23,390 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:12:23,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:12:23,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:12:23,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:12:23,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:12:23,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:12:23,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:12:23,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:12:23,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:12:23,394 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:12:23,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:12:23,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:12:23,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:12:23,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:12:23,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:12:23,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:12:23,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:12:23,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:12:23,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:12:23,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:12:23,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:12:23,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:12:23,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:12:23,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:12:23,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:12:23,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:12:23,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:12:23,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:12:23,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:12:23,477 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:12:23,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i [2019-09-21 09:12:23,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf53e112/8d90923788e748da9dce0fdb87189658/FLAG698ae58b7 [2019-09-21 09:12:24,112 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:12:24,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_update_all.i [2019-09-21 09:12:24,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf53e112/8d90923788e748da9dce0fdb87189658/FLAG698ae58b7 [2019-09-21 09:12:24,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf53e112/8d90923788e748da9dce0fdb87189658 [2019-09-21 09:12:24,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:12:24,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:12:24,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:12:24,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:12:24,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:12:24,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:24" (1/1) ... [2019-09-21 09:12:24,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64295562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:24, skipping insertion in model container [2019-09-21 09:12:24,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:24" (1/1) ... [2019-09-21 09:12:24,438 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:12:24,491 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:12:24,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:12:24,969 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:12:25,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:12:25,110 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:12:25,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:25 WrapperNode [2019-09-21 09:12:25,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:12:25,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:12:25,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:12:25,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:12:25,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:25" (1/1) ... [2019-09-21 09:12:25,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:25" (1/1) ... [2019-09-21 09:12:25,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:25" (1/1) ... [2019-09-21 09:12:25,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:25" (1/1) ... [2019-09-21 09:12:25,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:25" (1/1) ... [2019-09-21 09:12:25,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:25" (1/1) ... [2019-09-21 09:12:25,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:25" (1/1) ... [2019-09-21 09:12:25,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:12:25,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:12:25,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:12:25,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:12:25,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:25" (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 [2019-09-21 09:12:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:12:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:12:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 09:12:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 09:12:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-21 09:12:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-21 09:12:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-21 09:12:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-21 09:12:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2019-09-21 09:12:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2019-09-21 09:12:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:12:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:12:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 09:12:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 09:12:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:12:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:12:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:12:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:12:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:12:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:12:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:12:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:12:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:12:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:12:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:12:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:12:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:12:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:12:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:12:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:12:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:12:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:12:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:12:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:12:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:12:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:12:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:12:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:12:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:12:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:12:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:12:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:12:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:12:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:12:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:12:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:12:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:12:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:12:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:12:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:12:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:12:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:12:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:12:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:12:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:12:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:12:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:12:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:12:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:12:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:12:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:12:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:12:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:12:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:12:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:12:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:12:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:12:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:12:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 09:12:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:12:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:12:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:12:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:12:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:12:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:12:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:12:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:12:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:12:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:12:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:12:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:12:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:12:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:12:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:12:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:12:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:12:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:12:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:12:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:12:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:12:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:12:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:12:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:12:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:12:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:12:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:12:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:12:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:12:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:12:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:12:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:12:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:12:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:12:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:12:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:12:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:12:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:12:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:12:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:12:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:12:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:12:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:12:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:12:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:12:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:12:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:12:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:12:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-21 09:12:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-21 09:12:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:12:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:12:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:12:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-21 09:12:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-21 09:12:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:12:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:12:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2019-09-21 09:12:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:12:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2019-09-21 09:12:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:12:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:12:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:12:25,631 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-21 09:12:25,951 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:12:25,952 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-21 09:12:25,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:25 BoogieIcfgContainer [2019-09-21 09:12:25,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:12:25,954 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:12:25,955 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:12:25,955 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:12:25,958 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:25" (1/1) ... [2019-09-21 09:12:25,959 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:12:26,002 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:12:26,004 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:12:26,023 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:12:26,034 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:12:26,036 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:12:26,207 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-21 09:12:26,292 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-21 09:12:26,986 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:12:26,986 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:12:26,990 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 89#(and (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 2 main_~expected~0) (<= main_~data~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)) [2019-09-21 09:12:27,011 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:12:27,012 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:12:27,014 INFO L168 Benchmark]: Toolchain (without parser) took 2596.16 ms. Allocated memory was 132.6 MB in the beginning and 223.9 MB in the end (delta: 91.2 MB). Free memory was 87.0 MB in the beginning and 162.3 MB in the end (delta: -75.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:27,015 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:12:27,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.41 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 161.0 MB in the end (delta: -74.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:27,021 INFO L168 Benchmark]: Boogie Preprocessor took 74.05 ms. Allocated memory is still 200.3 MB. Free memory was 161.0 MB in the beginning and 157.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:27,021 INFO L168 Benchmark]: RCFGBuilder took 766.70 ms. Allocated memory is still 200.3 MB. Free memory was 157.8 MB in the beginning and 100.7 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:27,022 INFO L168 Benchmark]: Sifa took 1057.71 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 100.7 MB in the beginning and 162.3 MB in the end (delta: -61.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:12:27,029 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.41 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 161.0 MB in the end (delta: -74.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.05 ms. Allocated memory is still 200.3 MB. Free memory was 161.0 MB in the beginning and 157.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 766.70 ms. Allocated memory is still 200.3 MB. Free memory was 157.8 MB in the beginning and 100.7 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. * Sifa took 1057.71 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 100.7 MB in the beginning and 162.3 MB in the end (delta: -61.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 988, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 57, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 39, TOOLS_POST_TIME[ms]: 574, TOOLS_POST_CALL_APPLICATIONS: 13, TOOLS_POST_CALL_TIME[ms]: 61, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME[ms]: 50, TOOLS_QUANTIFIERELIM_APPLICATIONS: 64, TOOLS_QUANTIFIERELIM_TIME[ms]: 632, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 110, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 67, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 119, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 27, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 397, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 396, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 747, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 746, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 126, DAG_COMPRESSION_RETAINED_NODES: 66 - UnprovableResult [Line: 626]: 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 89#(and (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 2 main_~expected~0) (<= main_~data~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...