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-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:10:08,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:10:08,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:10:08,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:10:08,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:10:08,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:10:08,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:10:08,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:10:08,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:10:08,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:10:08,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:10:08,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:10:08,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:10:08,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:10:08,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:10:08,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:10:08,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:10:08,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:10:08,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:10:08,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:10:08,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:10:08,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:10:08,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:10:08,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:10:08,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:10:08,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:10:08,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:10:08,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:10:08,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:10:08,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:10:08,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:10:08,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:10:08,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:10:08,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:10:08,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:10:08,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:10:08,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:10:08,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:10:08,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:10:08,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:10:08,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:10:08,462 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 14:10:08,491 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:10:08,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:10:08,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:10:08,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:10:08,494 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:10:08,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:10:08,494 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:10:08,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:10:08,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:10:08,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:10:08,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:10:08,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:10:08,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:10:08,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:10:08,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:10:08,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:10:08,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:10:08,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:10:08,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:10:08,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:10:08,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:10:08,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:10:08,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:10:08,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:10:08,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:10:08,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:10:08,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:10:08,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:10:08,500 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 14:10:08,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:10:08,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:10:08,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:10:08,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:10:08,565 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:10:08,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-20 14:10:08,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08045a81/0df31a8c710245ecba36f3fd17c8785b/FLAG5f235f2a5 [2019-09-20 14:10:09,172 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:10:09,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-20 14:10:09,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08045a81/0df31a8c710245ecba36f3fd17c8785b/FLAG5f235f2a5 [2019-09-20 14:10:09,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08045a81/0df31a8c710245ecba36f3fd17c8785b [2019-09-20 14:10:09,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:10:09,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:10:09,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:10:09,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:10:09,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:10:09,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:09" (1/1) ... [2019-09-20 14:10:09,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ed1223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:09, skipping insertion in model container [2019-09-20 14:10:09,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:09" (1/1) ... [2019-09-20 14:10:09,504 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:10:09,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:10:09,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:10:09,997 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:10:10,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:10:10,122 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:10:10,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:10 WrapperNode [2019-09-20 14:10:10,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:10:10,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:10:10,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:10:10,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:10:10,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:10" (1/1) ... [2019-09-20 14:10:10,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:10" (1/1) ... [2019-09-20 14:10:10,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:10" (1/1) ... [2019-09-20 14:10:10,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:10" (1/1) ... [2019-09-20 14:10:10,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:10" (1/1) ... [2019-09-20 14:10:10,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:10" (1/1) ... [2019-09-20 14:10:10,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:10" (1/1) ... [2019-09-20 14:10:10,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:10:10,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:10:10,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:10:10,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:10:10,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:10" (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 14:10:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:10:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:10:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:10:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:10:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 14:10:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 14:10:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 14:10:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 14:10:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-20 14:10:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-20 14:10:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:10:10,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:10:10,240 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:10:10,240 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:10:10,240 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:10:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:10:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:10:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:10:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:10:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:10:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:10:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:10:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:10:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:10:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:10:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:10:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:10:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:10:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:10:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:10:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:10:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:10:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:10:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:10:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:10:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:10:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:10:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:10:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:10:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:10:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:10:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:10:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:10:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:10:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:10:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:10:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:10:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:10:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:10:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:10:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:10:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:10:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:10:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:10:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:10:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:10:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:10:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:10:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:10:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:10:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:10:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:10:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:10:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:10:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:10:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:10:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:10:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:10:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:10:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:10:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:10:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:10:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:10:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:10:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:10:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:10:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:10:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:10:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:10:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:10:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:10:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:10:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:10:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:10:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:10:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:10:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:10:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:10:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:10:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:10:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:10:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:10:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:10:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:10:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:10:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:10:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:10:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:10:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:10:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:10:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:10:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:10:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:10:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:10:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:10:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:10:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:10:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:10:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:10:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:10:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:10:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:10:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:10:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:10:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:10:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:10:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:10:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 14:10:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 14:10:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:10:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:10:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:10:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 14:10:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 14:10:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:10:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:10:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-20 14:10:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:10:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-20 14:10:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:10:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:10:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:10:10,693 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 14:10:11,008 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:10:11,009 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 14:10:11,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:11 BoogieIcfgContainer [2019-09-20 14:10:11,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:10:11,011 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:10:11,011 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:10:11,012 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:10:11,013 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:11" (1/1) ... [2019-09-20 14:10:11,013 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 14:10:11,037 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:10:11,037 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:10:11,044 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:10:11,052 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:10:11,054 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:10:11,193 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:10:11,398 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:11,682 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 14:10:12,568 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-20 14:10:12,707 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:10:13,077 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 14:10:13,175 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:18,980 WARN L191 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2019-09-20 14:10:21,273 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 14:10:23,080 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 14:10:24,665 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 14:10:26,342 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 14:10:27,988 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 14:10:29,009 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 14:10:29,760 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 14:10:30,345 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 14:10:30,739 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 14:10:30,973 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 14:10:31,423 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2019-09-20 14:10:31,644 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 14:10:31,841 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:10:32,052 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:10:32,246 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 14:10:32,347 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:32,359 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:32,437 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:35,098 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 14:10:36,299 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 14:10:37,117 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 14:10:37,594 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 14:10:38,046 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 14:10:38,729 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-20 14:10:39,329 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-20 14:10:39,696 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-20 14:10:39,745 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 14:10:40,687 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:10:40,687 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:10:40,689 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 149#false [2019-09-20 14:10:40,694 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 14:10:40,695 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:10:40,696 INFO L168 Benchmark]: Toolchain (without parser) took 31206.02 ms. Allocated memory was 129.0 MB in the beginning and 415.2 MB in the end (delta: 286.3 MB). Free memory was 83.3 MB in the beginning and 148.6 MB in the end (delta: -65.3 MB). Peak memory consumption was 221.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,697 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 129.0 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.17 ms. Allocated memory was 129.0 MB in the beginning and 196.6 MB in the end (delta: 67.6 MB). Free memory was 83.1 MB in the beginning and 157.3 MB in the end (delta: -74.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,698 INFO L168 Benchmark]: Boogie Preprocessor took 60.05 ms. Allocated memory is still 196.6 MB. Free memory was 157.3 MB in the beginning and 153.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,699 INFO L168 Benchmark]: RCFGBuilder took 825.69 ms. Allocated memory is still 196.6 MB. Free memory was 153.9 MB in the beginning and 93.7 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,699 INFO L168 Benchmark]: Sifa took 29683.67 ms. Allocated memory was 196.6 MB in the beginning and 415.2 MB in the end (delta: 218.6 MB). Free memory was 93.7 MB in the beginning and 148.6 MB in the end (delta: -54.9 MB). Peak memory consumption was 163.8 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,701 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 129.0 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 633.17 ms. Allocated memory was 129.0 MB in the beginning and 196.6 MB in the end (delta: 67.6 MB). Free memory was 83.1 MB in the beginning and 157.3 MB in the end (delta: -74.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.05 ms. Allocated memory is still 196.6 MB. Free memory was 157.3 MB in the beginning and 153.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 825.69 ms. Allocated memory is still 196.6 MB. Free memory was 153.9 MB in the beginning and 93.7 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. * Sifa took 29683.67 ms. Allocated memory was 196.6 MB in the beginning and 415.2 MB in the end (delta: 218.6 MB). Free memory was 93.7 MB in the beginning and 148.6 MB in the end (delta: -54.9 MB). Peak memory consumption was 163.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 29652, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 74, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME[ms]: 27471, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 56, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 65, TOOLS_QUANTIFIERELIM_TIME[ms]: 27512, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18568, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 90, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 23, DOMAIN_JOIN_TIME[ms]: 1343, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 662, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 29269, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29269, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29178, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29177, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 74 - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...