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_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:39:47,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:39:47,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:39:47,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:39:47,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:39:47,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:39:47,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:39:47,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:39:47,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:39:47,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:39:47,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:39:47,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:39:47,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:39:47,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:39:47,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:39:47,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:39:47,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:39:47,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:39:47,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:39:47,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:39:47,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:39:47,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:39:47,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:39:47,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:39:47,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:39:47,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:39:47,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:39:47,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:39:47,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:39:47,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:39:47,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:39:47,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:39:47,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:39:47,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:39:47,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:39:47,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:39:47,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:39:47,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:39:47,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:39:47,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:39:47,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:39:47,286 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 [2019-09-18 21:39:47,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:39:47,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:39:47,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:39:47,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:39:47,302 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:39:47,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:39:47,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:39:47,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:39:47,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:39:47,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:39:47,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:39:47,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:39:47,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:39:47,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:39:47,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:39:47,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:39:47,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:39:47,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:39:47,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:39:47,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:39:47,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:39:47,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:39:47,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:39:47,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:39:47,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:39:47,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:39:47,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:39:47,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:39:47,307 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 [2019-09-18 21:39:47,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:39:47,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:39:47,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:39:47,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:39:47,358 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:39:47,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_prepend_unequal.i [2019-09-18 21:39:47,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119475c3c/5f8dc625fb894428a3e713fba194bd18/FLAGb16c44862 [2019-09-18 21:39:48,005 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:39:48,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_prepend_unequal.i [2019-09-18 21:39:48,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119475c3c/5f8dc625fb894428a3e713fba194bd18/FLAGb16c44862 [2019-09-18 21:39:48,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119475c3c/5f8dc625fb894428a3e713fba194bd18 [2019-09-18 21:39:48,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:39:48,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:39:48,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:39:48,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:39:48,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:39:48,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:39:48" (1/1) ... [2019-09-18 21:39:48,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2974e272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48, skipping insertion in model container [2019-09-18 21:39:48,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:39:48" (1/1) ... [2019-09-18 21:39:48,333 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:39:48,385 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:39:48,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:39:48,794 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:39:48,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:39:48,900 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:39:48,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48 WrapperNode [2019-09-18 21:39:48,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:39:48,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:39:48,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:39:48,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:39:48,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48" (1/1) ... [2019-09-18 21:39:48,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48" (1/1) ... [2019-09-18 21:39:48,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48" (1/1) ... [2019-09-18 21:39:48,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48" (1/1) ... [2019-09-18 21:39:48,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48" (1/1) ... [2019-09-18 21:39:48,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48" (1/1) ... [2019-09-18 21:39:49,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48" (1/1) ... [2019-09-18 21:39:49,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:39:49,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:39:49,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:39:49,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:39:49,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:39:48" (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 [2019-09-18 21:39:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:39:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:39:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 21:39:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 21:39:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 21:39:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 21:39:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-18 21:39:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-18 21:39:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_prepend [2019-09-18 21:39:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:39:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:39:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 21:39:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 21:39:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 21:39:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 21:39:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 21:39:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 21:39:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 21:39:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 21:39:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 21:39:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 21:39:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 21:39:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 21:39:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 21:39:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 21:39:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 21:39:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 21:39:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 21:39:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 21:39:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 21:39:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 21:39:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 21:39:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 21:39:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 21:39:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 21:39:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 21:39:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 21:39:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 21:39:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 21:39:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 21:39:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 21:39:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 21:39:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 21:39:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 21:39:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 21:39:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 21:39:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 21:39:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 21:39:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 21:39:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 21:39:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 21:39:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 21:39:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 21:39:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 21:39:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 21:39:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 21:39:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 21:39:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 21:39:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 21:39:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 21:39:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 21:39:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 21:39:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 21:39:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 21:39:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 21:39:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 21:39:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 21:39:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 21:39:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 21:39:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 21:39:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 21:39:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 21:39:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 21:39:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 21:39:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 21:39:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 21:39:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 21:39:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 21:39:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 21:39:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 21:39:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 21:39:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 21:39:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 21:39:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 21:39:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 21:39:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 21:39:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 21:39:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 21:39:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 21:39:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 21:39:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 21:39:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 21:39:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 21:39:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 21:39:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 21:39:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 21:39:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 21:39:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 21:39:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 21:39:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 21:39:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 21:39:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 21:39:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 21:39:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 21:39:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 21:39:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 21:39:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 21:39:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 21:39:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 21:39:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 21:39:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 21:39:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 21:39:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 21:39:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 21:39:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 21:39:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 21:39:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 21:39:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 21:39:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 21:39:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 21:39:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 21:39:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-18 21:39:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-18 21:39:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 21:39:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 21:39:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_prepend [2019-09-18 21:39:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:39:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 21:39:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 21:39:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 21:39:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:39:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:39:49,558 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 21:39:50,235 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:39:50,236 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-18 21:39:50,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:39:50 BoogieIcfgContainer [2019-09-18 21:39:50,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:39:50,238 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:39:50,238 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:39:50,238 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:39:50,239 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:39:50" (1/1) ... [2019-09-18 21:39:50,240 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 [2019-09-18 21:39:50,263 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:39:50,264 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:39:50,271 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:39:50,281 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:39:50,283 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:39:50,420 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 21:39:50,697 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 21:39:50,915 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-18 21:39:51,037 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 21:39:51,329 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-18 21:39:51,571 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-18 21:39:51,808 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 21:39:52,726 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2019-09-18 21:39:53,091 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-18 21:39:55,498 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 152 DAG size of output: 141 [2019-09-18 21:39:56,281 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-18 21:39:56,901 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-18 21:39:57,366 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-18 21:39:57,571 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-18 21:39:59,674 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 261 DAG size of output: 127 [2019-09-18 21:40:00,175 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 21:40:00,691 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-18 21:40:03,249 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 145 DAG size of output: 143 [2019-09-18 21:40:04,198 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 21:40:04,905 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 21:40:07,451 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-18 21:40:08,066 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 21:40:08,473 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 115