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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:24:00,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:24:00,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:24:00,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:24:00,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:24:00,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:24:00,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:24:00,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:24:00,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:24:00,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:24:00,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:24:00,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:24:00,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:24:00,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:24:00,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:24:00,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:24:00,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:24:00,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:24:00,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:24:00,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:24:00,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:24:00,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:24:00,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:24:00,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:24:00,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:24:00,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:24:00,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:24:00,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:24:00,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:24:00,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:24:00,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:24:00,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:24:00,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:24:00,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:24:00,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:24:00,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:24:00,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:24:00,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:24:00,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:24:00,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:24:00,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:24:00,532 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 20:24:00,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:24:00,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:24:00,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:24:00,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:24:00,557 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:24:00,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:24:00,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:24:00,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:24:00,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:24:00,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:24:00,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:24:00,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:24:00,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:24:00,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:24:00,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:24:00,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:24:00,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:24:00,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:24:00,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:24:00,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:24:00,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:24:00,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:24:00,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:24:00,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:24:00,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:24:00,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:24:00,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:24:00,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:24:00,563 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 -> ReUseSupersetCallSummarizer 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 20:24:00,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:24:00,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:24:00,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:24:00,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:24:00,635 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:24:00,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2019-09-20 20:24:00,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/873dc99b8/43afa520811e48079955186c94bab052/FLAGf36eca640 [2019-09-20 20:24:01,231 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:24:01,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2019-09-20 20:24:01,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/873dc99b8/43afa520811e48079955186c94bab052/FLAGf36eca640 [2019-09-20 20:24:01,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/873dc99b8/43afa520811e48079955186c94bab052 [2019-09-20 20:24:01,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:24:01,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:24:01,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:24:01,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:24:01,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:24:01,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:24:01" (1/1) ... [2019-09-20 20:24:01,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f1d124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:01, skipping insertion in model container [2019-09-20 20:24:01,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:24:01" (1/1) ... [2019-09-20 20:24:01,533 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:24:01,589 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:24:01,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:24:01,997 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:24:02,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:24:02,099 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:24:02,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:02 WrapperNode [2019-09-20 20:24:02,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:24:02,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:24:02,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:24:02,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:24:02,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:02" (1/1) ... [2019-09-20 20:24:02,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:02" (1/1) ... [2019-09-20 20:24:02,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:02" (1/1) ... [2019-09-20 20:24:02,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:02" (1/1) ... [2019-09-20 20:24:02,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:02" (1/1) ... [2019-09-20 20:24:02,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:02" (1/1) ... [2019-09-20 20:24:02,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:02" (1/1) ... [2019-09-20 20:24:02,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:24:02,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:24:02,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:24:02,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:24:02,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:02" (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 20:24:02,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:24:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:24:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 20:24:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 20:24:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 20:24:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 20:24:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 20:24:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_last [2019-09-20 20:24:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:24:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:24:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 20:24:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 20:24:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 20:24:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 20:24:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 20:24:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 20:24:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 20:24:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 20:24:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 20:24:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 20:24:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 20:24:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 20:24:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 20:24:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 20:24:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 20:24:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 20:24:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 20:24:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 20:24:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 20:24:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 20:24:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 20:24:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 20:24:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 20:24:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 20:24:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 20:24:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 20:24:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 20:24:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 20:24:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 20:24:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 20:24:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 20:24:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 20:24:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 20:24:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 20:24:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 20:24:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 20:24:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 20:24:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 20:24:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 20:24:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 20:24:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 20:24:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 20:24:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 20:24:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 20:24:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 20:24:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 20:24:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 20:24:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 20:24:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 20:24:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 20:24:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 20:24:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 20:24:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 20:24:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 20:24:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 20:24:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 20:24:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 20:24:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 20:24:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 20:24:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 20:24:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 20:24:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 20:24:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 20:24:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 20:24:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 20:24:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 20:24:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 20:24:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 20:24:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 20:24:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 20:24:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 20:24:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 20:24:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 20:24:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 20:24:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 20:24:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 20:24:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 20:24:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 20:24:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 20:24:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 20:24:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 20:24:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 20:24:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 20:24:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 20:24:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 20:24:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 20:24:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 20:24:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 20:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 20:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 20:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 20:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 20:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 20:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 20:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 20:24:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 20:24:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 20:24:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 20:24:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 20:24:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 20:24:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 20:24:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 20:24:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 20:24:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 20:24:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 20:24:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 20:24:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 20:24:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 20:24:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 20:24:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 20:24:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 20:24:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_last [2019-09-20 20:24:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 20:24:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:24:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:24:02,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:24:02,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 20:24:02,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:24:02,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:24:02,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 20:24:02,769 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 20:24:03,096 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:24:03,097 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 20:24:03,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:24:03 BoogieIcfgContainer [2019-09-20 20:24:03,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:24:03,099 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:24:03,099 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:24:03,100 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:24:03,101 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:24:03" (1/1) ... [2019-09-20 20:24:03,102 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:24:03,127 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:24:03,128 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:24:03,136 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:24:03,146 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:24:03,147 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:24:03,312 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 20:24:03,566 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 20:24:03,771 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 20:24:03,904 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 20:24:04,228 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-20 20:24:04,501 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-20 20:24:04,762 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 20:24:05,873 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2019-09-20 20:24:06,251 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 20:24:08,969 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 152 DAG size of output: 141 [2019-09-20 20:24:09,821 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 20:24:10,592 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 20:24:10,844 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-09-20 20:24:11,114 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-20 20:24:11,350 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-20 20:24:24,299 WARN L191 SmtUtils]: Spent 12.62 s on a formula simplification. DAG size of input: 261 DAG size of output: 127 [2019-09-20 20:24:24,770 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 20:24:25,299 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 20:24:28,287 WARN L191 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 145 DAG size of output: 143 [2019-09-20 20:24:29,457 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 20:24:30,335 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 20:24:32,889 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 20:24:39,183 WARN L191 SmtUtils]: Spent 6.24 s on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2019-09-20 20:24:42,467 WARN L191 SmtUtils]: Spent 3.27 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 20:24:42,586 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:24:42,764 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:24:42,776 WARN L225 Elim1Store]: Array PQE input equivalent to false