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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/sll-queue-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:26:15,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:26:15,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:26:15,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:26:15,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:26:15,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:26:15,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:26:15,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:26:15,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:26:15,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:26:15,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:26:15,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:26:15,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:26:15,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:26:15,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:26:15,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:26:15,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:26:15,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:26:15,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:26:15,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:26:15,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:26:15,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:26:15,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:26:15,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:26:15,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:26:15,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:26:15,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:26:15,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:26:15,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:26:15,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:26:15,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:26:15,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:26:15,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:26:15,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:26:15,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:26:15,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:26:15,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:26:15,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:26:15,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:26:15,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:26:15,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:26:15,251 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 21:26:15,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:26:15,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:26:15,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:26:15,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:26:15,268 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:26:15,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:26:15,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:26:15,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:26:15,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:26:15,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:26:15,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:26:15,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:26:15,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:26:15,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:26:15,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:26:15,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:26:15,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:26:15,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:26:15,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:26:15,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:26:15,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:26:15,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:26:15,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:26:15,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:26:15,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:26:15,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:26:15,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:26:15,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:26:15,277 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 -> InterpretCallSummarizer 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 21:26:15,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:26:15,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:26:15,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:26:15,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:26:15,346 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:26:15,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-2.i [2019-09-20 21:26:15,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c69a2908/c1bfaad7a2b647de8c5e3304868886c7/FLAG6c6ef755d [2019-09-20 21:26:15,996 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:26:15,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-2.i [2019-09-20 21:26:16,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c69a2908/c1bfaad7a2b647de8c5e3304868886c7/FLAG6c6ef755d [2019-09-20 21:26:16,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c69a2908/c1bfaad7a2b647de8c5e3304868886c7 [2019-09-20 21:26:16,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:26:16,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:26:16,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:26:16,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:26:16,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:26:16,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:26:16" (1/1) ... [2019-09-20 21:26:16,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6c1520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16, skipping insertion in model container [2019-09-20 21:26:16,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:26:16" (1/1) ... [2019-09-20 21:26:16,286 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:26:16,346 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:26:16,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:26:16,775 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:26:16,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:26:16,888 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:26:16,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16 WrapperNode [2019-09-20 21:26:16,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:26:16,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:26:16,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:26:16,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:26:16,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16" (1/1) ... [2019-09-20 21:26:16,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16" (1/1) ... [2019-09-20 21:26:16,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16" (1/1) ... [2019-09-20 21:26:16,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16" (1/1) ... [2019-09-20 21:26:16,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16" (1/1) ... [2019-09-20 21:26:16,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16" (1/1) ... [2019-09-20 21:26:16,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16" (1/1) ... [2019-09-20 21:26:16,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:26:16,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:26:16,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:26:16,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:26:16,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:16" (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 21:26:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:26:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:26:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:26:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:26:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:26:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:26:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:26:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:26:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:26:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:26:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:26:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:26:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:26:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:26:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:26:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:26:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:26:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:26:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:26:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:26:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:26:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:26:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:26:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:26:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:26:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:26:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:26:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:26:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:26:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:26:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:26:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:26:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:26:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:26:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:26:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:26:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:26:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:26:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:26:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:26:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:26:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:26:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:26:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:26:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:26:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:26:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:26:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:26:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:26:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:26:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:26:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:26:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:26:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:26:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:26:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:26:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:26:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:26:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:26:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:26:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:26:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:26:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:26:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:26:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:26:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:26:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:26:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:26:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:26:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:26:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:26:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:26:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:26:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:26:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:26:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:26:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:26:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:26:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:26:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:26:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:26:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:26:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:26:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:26:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:26:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:26:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:26:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:26:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:26:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:26:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:26:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:26:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:26:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:26:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:26:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:26:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:26:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:26:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:26:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:26:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:26:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:26:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:26:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:26:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:26:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:26:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:26:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:26:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:26:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:26:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:26:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:26:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:26:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:26:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:26:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:26:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:26:17,798 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:26:17,798 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-20 21:26:17,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:26:17 BoogieIcfgContainer [2019-09-20 21:26:17,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:26:17,800 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:26:17,801 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:26:17,801 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:26:17,802 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:26:17" (1/1) ... [2019-09-20 21:26:17,803 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:26:17,834 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-20 21:26:17,834 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:26:17,843 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:26:17,852 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:26:17,853 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:26:17,999 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:26:19,558 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 21:26:19,866 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 21:26:20,151 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 21:26:20,438 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 21:26:21,383 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 21:26:22,433 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 21:26:23,374 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 21:26:24,422 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 21:26:24,740 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:26:24,883 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:26:25,329 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2019-09-20 21:26:25,842 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2019-09-20 21:26:25,952 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:26:26,276 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2019-09-20 21:26:26,385 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:26:26,503 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:26:26,607 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:26:47,985 WARN L191 SmtUtils]: Spent 21.16 s on a formula simplification that was a NOOP. DAG size: 211