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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:20:10,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:20:10,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:20:10,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:20:10,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:20:10,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:20:10,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:20:10,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:20:10,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:20:10,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:20:10,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:20:10,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:20:10,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:20:10,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:20:10,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:20:10,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:20:10,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:20:10,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:20:10,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:20:10,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:20:10,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:20:10,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:20:10,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:20:10,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:20:10,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:20:10,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:20:10,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:20:10,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:20:10,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:20:10,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:20:10,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:20:10,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:20:10,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:20:10,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:20:10,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:20:10,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:20:10,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:20:10,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:20:10,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:20:10,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:20:10,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:20:10,234 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 23:20:10,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:20:10,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:20:10,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:20:10,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:20:10,263 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:20:10,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:20:10,263 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:20:10,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:20:10,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:20:10,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:20:10,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:20:10,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:20:10,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:20:10,266 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:20:10,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:20:10,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:20:10,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:20:10,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:20:10,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:20:10,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:20:10,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:20:10,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:20:10,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:20:10,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:20:10,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:20:10,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:20:10,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:20:10,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:20:10,269 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:20:10,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:20:10,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:20:10,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:20:10,353 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:20:10,354 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:20:10,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-20 23:20:10,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c99ba99a/455c171e06794c359b41995f44803d14/FLAG34f45082d [2019-09-20 23:20:10,968 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:20:10,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-20 23:20:10,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c99ba99a/455c171e06794c359b41995f44803d14/FLAG34f45082d [2019-09-20 23:20:11,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c99ba99a/455c171e06794c359b41995f44803d14 [2019-09-20 23:20:11,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:20:11,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:20:11,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:20:11,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:20:11,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:20:11,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:20:11" (1/1) ... [2019-09-20 23:20:11,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ef1dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11, skipping insertion in model container [2019-09-20 23:20:11,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:20:11" (1/1) ... [2019-09-20 23:20:11,268 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:20:11,328 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:20:11,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:20:11,776 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:20:11,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:20:11,879 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:20:11,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11 WrapperNode [2019-09-20 23:20:11,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:20:11,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:20:11,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:20:11,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:20:11,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11" (1/1) ... [2019-09-20 23:20:11,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11" (1/1) ... [2019-09-20 23:20:11,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11" (1/1) ... [2019-09-20 23:20:11,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11" (1/1) ... [2019-09-20 23:20:11,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11" (1/1) ... [2019-09-20 23:20:11,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11" (1/1) ... [2019-09-20 23:20:11,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11" (1/1) ... [2019-09-20 23:20:11,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:20:11,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:20:11,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:20:11,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:20:11,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:20:11" (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 23:20:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:20:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:20:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:20:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 23:20:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 23:20:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 23:20:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 23:20:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 23:20:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 23:20:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 23:20:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 23:20:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 23:20:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 23:20:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 23:20:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 23:20:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 23:20:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 23:20:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 23:20:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 23:20:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 23:20:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 23:20:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 23:20:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 23:20:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 23:20:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 23:20:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 23:20:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 23:20:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 23:20:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 23:20:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 23:20:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 23:20:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 23:20:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 23:20:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 23:20:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 23:20:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 23:20:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 23:20:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 23:20:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 23:20:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 23:20:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 23:20:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 23:20:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 23:20:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 23:20:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 23:20:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 23:20:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 23:20:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 23:20:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 23:20:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 23:20:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 23:20:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 23:20:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 23:20:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:20:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:20:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 23:20:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:20:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 23:20:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 23:20:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 23:20:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 23:20:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 23:20:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 23:20:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 23:20:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 23:20:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 23:20:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 23:20:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 23:20:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 23:20:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 23:20:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 23:20:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 23:20:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 23:20:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 23:20:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 23:20:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 23:20:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 23:20:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 23:20:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 23:20:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 23:20:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 23:20:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 23:20:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 23:20:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 23:20:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 23:20:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 23:20:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 23:20:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 23:20:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 23:20:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 23:20:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 23:20:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 23:20:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 23:20:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 23:20:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 23:20:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 23:20:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 23:20:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 23:20:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 23:20:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 23:20:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 23:20:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 23:20:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 23:20:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 23:20:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 23:20:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 23:20:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:20:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:20:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:20:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:20:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:20:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:20:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:20:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:20:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:20:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:20:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:20:12,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:20:12,881 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-20 23:20:12,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:20:12 BoogieIcfgContainer [2019-09-20 23:20:12,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:20:12,885 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:20:12,885 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:20:12,886 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:20:12,887 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:20:12" (1/1) ... [2019-09-20 23:20:12,887 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:20:12,917 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-20 23:20:12,920 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:20:12,932 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:20:12,940 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:20:12,942 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:20:13,076 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 23:20:14,534 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 23:20:14,877 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 23:20:15,131 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 23:20:15,450 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 23:20:16,648 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 23:20:17,958 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 23:20:18,871 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 23:20:20,082 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 23:20:20,346 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 23:20:20,776 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2019-09-20 23:20:20,911 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 23:20:21,329 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2019-09-20 23:20:21,465 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 23:20:21,884 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2019-09-20 23:20:22,053 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 23:20:22,181 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 23:20:49,294 WARN L191 SmtUtils]: Spent 26.84 s on a formula simplification that was a NOOP. DAG size: 211