java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 18:15:44,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 18:15:44,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 18:15:44,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 18:15:44,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 18:15:44,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 18:15:44,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 18:15:44,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 18:15:44,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 18:15:44,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 18:15:44,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 18:15:44,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 18:15:44,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 18:15:44,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 18:15:44,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 18:15:44,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 18:15:44,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 18:15:44,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 18:15:44,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 18:15:44,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 18:15:44,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 18:15:44,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 18:15:44,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 18:15:44,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 18:15:44,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 18:15:44,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 18:15:44,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 18:15:44,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 18:15:44,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 18:15:44,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 18:15:44,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 18:15:44,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 18:15:44,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 18:15:44,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 18:15:44,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 18:15:44,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 18:15:44,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 18:15:44,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 18:15:44,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 18:15:44,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 18:15:44,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 18:15:44,233 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 [2019-09-16 18:15:44,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 18:15:44,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 18:15:44,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 18:15:44,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 18:15:44,255 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 18:15:44,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 18:15:44,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 18:15:44,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 18:15:44,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 18:15:44,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 18:15:44,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 18:15:44,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 18:15:44,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 18:15:44,258 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 18:15:44,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 18:15:44,259 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 18:15:44,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 18:15:44,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 18:15:44,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 18:15:44,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 18:15:44,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 18:15:44,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 18:15:44,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 18:15:44,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 18:15:44,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 18:15:44,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 18:15:44,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 18:15:44,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 18:15:44,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 18:15:44,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 18:15:44,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 18:15:44,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 18:15:44,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 18:15:44,332 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 18:15:44,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-16 18:15:44,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c121d0e/ece030a8a27548acb6466e69a0b62b1d/FLAG5689b2de8 [2019-09-16 18:15:44,849 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 18:15:44,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-16 18:15:44,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c121d0e/ece030a8a27548acb6466e69a0b62b1d/FLAG5689b2de8 [2019-09-16 18:15:45,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c121d0e/ece030a8a27548acb6466e69a0b62b1d [2019-09-16 18:15:45,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 18:15:45,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 18:15:45,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 18:15:45,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 18:15:45,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 18:15:45,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:15:45" (1/1) ... [2019-09-16 18:15:45,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4872e6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45, skipping insertion in model container [2019-09-16 18:15:45,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:15:45" (1/1) ... [2019-09-16 18:15:45,246 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 18:15:45,303 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 18:15:45,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:15:45,792 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 18:15:45,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:15:45,906 INFO L192 MainTranslator]: Completed translation [2019-09-16 18:15:45,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45 WrapperNode [2019-09-16 18:15:45,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 18:15:45,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 18:15:45,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 18:15:45,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 18:15:45,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45" (1/1) ... [2019-09-16 18:15:45,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45" (1/1) ... [2019-09-16 18:15:45,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45" (1/1) ... [2019-09-16 18:15:45,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45" (1/1) ... [2019-09-16 18:15:45,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45" (1/1) ... [2019-09-16 18:15:45,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45" (1/1) ... [2019-09-16 18:15:45,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45" (1/1) ... [2019-09-16 18:15:45,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 18:15:45,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 18:15:45,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 18:15:45,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 18:15:45,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:15:45" (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 [2019-09-16 18:15:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 18:15:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 18:15:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-16 18:15:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-16 18:15:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-16 18:15:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-16 18:15:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-16 18:15:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_first [2019-09-16 18:15:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 18:15:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 18:15:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-16 18:15:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-16 18:15:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-16 18:15:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-16 18:15:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-16 18:15:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-16 18:15:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-16 18:15:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-16 18:15:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-16 18:15:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-16 18:15:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-16 18:15:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-16 18:15:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-16 18:15:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-16 18:15:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-16 18:15:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-16 18:15:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-16 18:15:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-16 18:15:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-16 18:15:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-16 18:15:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-16 18:15:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-16 18:15:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-16 18:15:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-16 18:15:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-16 18:15:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-16 18:15:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-16 18:15:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-16 18:15:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-16 18:15:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-16 18:15:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-16 18:15:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-16 18:15:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-16 18:15:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-16 18:15:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-16 18:15:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-16 18:15:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-16 18:15:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-16 18:15:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-16 18:15:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-16 18:15:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-16 18:15:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-16 18:15:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-16 18:15:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-16 18:15:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-16 18:15:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-16 18:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-16 18:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-16 18:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-16 18:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-16 18:15:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-16 18:15:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-16 18:15:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 18:15:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 18:15:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-16 18:15:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 18:15:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-16 18:15:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-16 18:15:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-16 18:15:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-16 18:15:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-16 18:15:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-16 18:15:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-16 18:15:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-16 18:15:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-16 18:15:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-16 18:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-16 18:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-16 18:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-16 18:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-16 18:15:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-16 18:15:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-16 18:15:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-16 18:15:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-16 18:15:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-16 18:15:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-16 18:15:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-16 18:15:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-16 18:15:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-16 18:15:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-16 18:15:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-16 18:15:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-16 18:15:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-16 18:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-16 18:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-16 18:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-16 18:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-16 18:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-16 18:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-16 18:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-16 18:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-16 18:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-16 18:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-16 18:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-16 18:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-16 18:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-16 18:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-16 18:15:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-16 18:15:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-16 18:15:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-16 18:15:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-16 18:15:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-16 18:15:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-16 18:15:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-16 18:15:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-16 18:15:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-16 18:15:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-16 18:15:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 18:15:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 18:15:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 18:15:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-16 18:15:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_first [2019-09-16 18:15:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 18:15:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 18:15:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 18:15:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 18:15:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 18:15:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 18:15:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 18:15:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 18:15:46,406 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-16 18:15:46,634 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 18:15:46,634 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-16 18:15:46,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:15:46 BoogieIcfgContainer [2019-09-16 18:15:46,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 18:15:46,636 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 18:15:46,636 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 18:15:46,637 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 18:15:46,638 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:15:46" (1/1) ... [2019-09-16 18:15:46,639 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 18:15:46,660 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 18:15:46,661 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 18:15:46,668 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 18:15:46,676 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 18:15:46,677 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 18:15:46,823 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-16 18:15:47,093 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-16 18:15:48,461 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-16 18:15:48,626 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-16 18:15:48,772 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-16 18:15:48,928 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-16 18:15:49,106 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-16 18:15:49,263 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-16 18:15:49,401 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-16 18:15:49,540 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 18:15:49,662 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-16 18:15:49,790 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 18:15:50,034 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-16 18:15:50,207 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-16 18:15:50,379 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-16 18:15:50,522 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-16 18:15:50,653 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-16 18:15:50,771 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-16 18:15:51,007 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-16 18:15:51,114 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-16 18:15:51,426 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-16 18:15:52,954 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-16 18:15:53,259 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-16 18:15:53,372 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-16 18:15:53,672 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-16 18:15:53,801 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-16 18:15:54,203 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-16 18:15:56,519 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 159 DAG size of output: 127 [2019-09-16 18:15:57,265 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-16 18:15:58,014 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-16 18:15:58,736 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-16 18:15:59,360 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-16 18:15:59,935 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-16 18:16:00,020 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 18:16:00,020 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 18:16:00,022 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 122#(and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))) [2019-09-16 18:16:00,031 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 18:16:00,031 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 18:16:00,032 INFO L168 Benchmark]: Toolchain (without parser) took 14803.58 ms. Allocated memory was 141.0 MB in the beginning and 413.1 MB in the end (delta: 272.1 MB). Free memory was 87.4 MB in the beginning and 360.5 MB in the end (delta: -273.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 18:16:00,033 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 18:16:00,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.82 ms. Allocated memory was 141.0 MB in the beginning and 196.6 MB in the end (delta: 55.6 MB). Free memory was 87.2 MB in the beginning and 160.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-16 18:16:00,033 INFO L168 Benchmark]: Boogie Preprocessor took 63.86 ms. Allocated memory is still 196.6 MB. Free memory was 160.4 MB in the beginning and 157.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-16 18:16:00,034 INFO L168 Benchmark]: RCFGBuilder took 663.83 ms. Allocated memory is still 196.6 MB. Free memory was 157.3 MB in the beginning and 106.5 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. [2019-09-16 18:16:00,034 INFO L168 Benchmark]: Sifa took 13395.12 ms. Allocated memory was 196.6 MB in the beginning and 413.1 MB in the end (delta: 216.5 MB). Free memory was 106.5 MB in the beginning and 360.5 MB in the end (delta: -254.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 18:16:00,036 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.82 ms. Allocated memory was 141.0 MB in the beginning and 196.6 MB in the end (delta: 55.6 MB). Free memory was 87.2 MB in the beginning and 160.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.86 ms. Allocated memory is still 196.6 MB. Free memory was 160.4 MB in the beginning and 157.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 663.83 ms. Allocated memory is still 196.6 MB. Free memory was 157.3 MB in the beginning and 106.5 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. * Sifa took 13395.12 ms. Allocated memory was 196.6 MB in the beginning and 413.1 MB in the end (delta: 216.5 MB). Free memory was 106.5 MB in the beginning and 360.5 MB in the end (delta: -254.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 13362, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 58, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 44, TOOLS_POST_TIME[ms]: 2620, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 336, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 6930, TOOLS_QUANTIFIERELIM_APPLICATIONS: 65, TOOLS_QUANTIFIERELIM_TIME[ms]: 9848, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5068, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 66, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 1976, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1351, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 33, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5894, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5893, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 7805, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7805, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 16, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 134, DAG_COMPRESSION_RETAINED_NODES: 63 - UnprovableResult [Line: 612]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 122#(and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...