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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:09:40,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:09:40,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:09:40,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:09:40,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:09:40,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:09:40,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:09:40,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:09:40,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:09:40,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:09:40,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:09:40,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:09:40,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:09:40,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:09:40,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:09:40,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:09:40,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:09:40,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:09:40,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:09:40,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:09:40,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:09:40,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:09:40,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:09:40,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:09:40,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:09:40,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:09:40,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:09:40,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:09:40,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:09:40,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:09:40,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:09:40,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:09:40,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:09:40,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:09:40,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:09:40,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:09:40,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:09:40,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:09:40,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:09:40,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:09:40,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:09:40,489 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 14:09:40,504 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:09:40,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:09:40,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:09:40,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:09:40,507 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:09:40,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:09:40,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:09:40,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:09:40,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:09:40,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:09:40,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:09:40,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:09:40,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:09:40,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:09:40,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:09:40,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:09:40,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:09:40,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:09:40,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:09:40,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:09:40,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:09:40,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:09:40,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:09:40,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:09:40,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:09:40,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:09:40,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:09:40,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:09:40,514 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 -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 14:09:40,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:09:40,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:09:40,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:09:40,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:09:40,598 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:09:40,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-20 14:09:40,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f865a783c/cbf0f03df0f84b88af80d9014bdeafd3/FLAG10419e418 [2019-09-20 14:09:41,210 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:09:41,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-20 14:09:41,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f865a783c/cbf0f03df0f84b88af80d9014bdeafd3/FLAG10419e418 [2019-09-20 14:09:41,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f865a783c/cbf0f03df0f84b88af80d9014bdeafd3 [2019-09-20 14:09:41,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:09:41,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:09:41,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:41,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:09:41,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:09:41,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:41" (1/1) ... [2019-09-20 14:09:41,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7bc556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:41, skipping insertion in model container [2019-09-20 14:09:41,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:41" (1/1) ... [2019-09-20 14:09:41,533 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:09:41,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:09:41,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:42,004 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:09:42,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:42,145 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:09:42,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:42 WrapperNode [2019-09-20 14:09:42,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:42,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:09:42,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:09:42,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:09:42,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:42" (1/1) ... [2019-09-20 14:09:42,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:42" (1/1) ... [2019-09-20 14:09:42,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:42" (1/1) ... [2019-09-20 14:09:42,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:42" (1/1) ... [2019-09-20 14:09:42,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:42" (1/1) ... [2019-09-20 14:09:42,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:42" (1/1) ... [2019-09-20 14:09:42,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:42" (1/1) ... [2019-09-20 14:09:42,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:09:42,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:09:42,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:09:42,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:09:42,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:42" (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 14:09:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:09:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:09:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:09:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:09:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 14:09:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-09-20 14:09:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-09-20 14:09:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-09-20 14:09:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-09-20 14:09:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:09:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:09:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:09:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:09:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:09:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:09:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:09:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:09:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:09:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:09:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:09:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:09:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:09:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:09:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:09:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:09:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:09:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:09:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:09:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:09:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:09:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:09:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:09:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:09:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:09:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:09:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:09:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:09:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:09:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:09:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:09:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:09:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:09:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:09:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:09:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:09:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:09:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:09:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:09:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:09:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:09:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:09:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:09:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:09:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:09:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:09:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:09:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:09:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:09:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:09:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:09:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:09:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:09:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:09:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:09:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:09:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:09:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:09:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:09:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:09:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:09:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:09:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:09:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:09:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:09:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:09:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:09:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:09:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:09:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:09:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:09:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:09:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:09:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:09:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:09:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:09:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:09:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:09:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:09:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:09:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:09:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:09:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 14:09:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-09-20 14:09:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:09:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-09-20 14:09:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:09:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:09:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-09-20 14:09:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-09-20 14:09:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:09:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:09:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:09:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:09:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:09:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:09:42,730 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 14:09:43,273 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:09:43,273 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 14:09:43,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:43 BoogieIcfgContainer [2019-09-20 14:09:43,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:09:43,277 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:09:43,278 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:09:43,278 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:09:43,279 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:43" (1/1) ... [2019-09-20 14:09:43,280 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 14:09:43,312 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:09:43,313 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:09:43,321 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:09:43,333 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:09:43,335 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:09:43,510 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:09:43,533 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 14:09:43,810 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-20 14:09:43,916 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 14:09:44,068 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 14:09:44,183 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 14:09:44,349 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-20 14:09:45,018 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 14:09:46,213 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 14:09:46,872 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 14:09:49,006 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 14:09:49,926 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:09:49,927 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:09:49,929 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 121#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))) [2019-09-20 14:09:49,944 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:09:49,944 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:09:49,946 INFO L168 Benchmark]: Toolchain (without parser) took 8430.46 ms. Allocated memory was 138.4 MB in the beginning and 261.1 MB in the end (delta: 122.7 MB). Free memory was 86.6 MB in the beginning and 191.1 MB in the end (delta: -104.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:09:49,947 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 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. [2019-09-20 14:09:49,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.05 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 86.4 MB in the beginning and 162.5 MB in the end (delta: -76.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-20 14:09:49,948 INFO L168 Benchmark]: Boogie Preprocessor took 108.64 ms. Allocated memory is still 200.8 MB. Free memory was 162.5 MB in the beginning and 159.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-20 14:09:49,949 INFO L168 Benchmark]: RCFGBuilder took 1021.09 ms. Allocated memory is still 200.8 MB. Free memory was 159.4 MB in the beginning and 88.3 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2019-09-20 14:09:49,950 INFO L168 Benchmark]: Sifa took 6666.54 ms. Allocated memory was 200.8 MB in the beginning and 261.1 MB in the end (delta: 60.3 MB). Free memory was 88.3 MB in the beginning and 191.1 MB in the end (delta: -102.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 14:09:49,953 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 138.4 MB. Free memory was 106.7 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 630.05 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 86.4 MB in the beginning and 162.5 MB in the end (delta: -76.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.64 ms. Allocated memory is still 200.8 MB. Free memory was 162.5 MB in the beginning and 159.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1021.09 ms. Allocated memory is still 200.8 MB. Free memory was 159.4 MB in the beginning and 88.3 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. * Sifa took 6666.54 ms. Allocated memory was 200.8 MB in the beginning and 261.1 MB in the end (delta: 60.3 MB). Free memory was 88.3 MB in the beginning and 191.1 MB in the end (delta: -102.8 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]: 6616, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 64, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 52, TOOLS_POST_TIME[ms]: 3377, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 30, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 62, TOOLS_QUANTIFIERELIM_TIME[ms]: 3379, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1781, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 70, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 711, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2345, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 31, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6100, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6100, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 124, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 124, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 139, DAG_COMPRESSION_RETAINED_NODES: 83 - UnprovableResult [Line: 601]: 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 121#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...