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 IntervalDomain -i ../../../trunk/examples/svcomp/list-simple/dll2n_append_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:02:21,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:02:21,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:02:21,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:02:21,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:02:21,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:02:21,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:02:21,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:02:21,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:02:21,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:02:21,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:02:21,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:02:21,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:02:21,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:02:21,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:02:21,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:02:21,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:02:21,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:02:21,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:02:21,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:02:21,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:02:21,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:02:21,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:02:21,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:02:21,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:02:21,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:02:21,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:02:21,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:02:21,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:02:21,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:02:21,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:02:21,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:02:21,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:02:21,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:02:21,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:02:21,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:02:21,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:02:21,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:02:21,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:02:21,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:02:21,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:02:21,273 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 [2019-09-06 09:02:21,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:02:21,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:02:21,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:02:21,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:02:21,289 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:02:21,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:02:21,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:02:21,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:02:21,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:02:21,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:02:21,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:02:21,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:02:21,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:02:21,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:02:21,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:02:21,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:02:21,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:02:21,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:02:21,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:02:21,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:02:21,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:02:21,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:02:21,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:02:21,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:02:21,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:02:21,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:02:21,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:02:21,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:02:21,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 09:02:21,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:02:21,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:02:21,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:02:21,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:02:21,340 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:02:21,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_append_unequal.i [2019-09-06 09:02:21,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/219fbf8c9/6691ad10aa5049319cc5fd5e2cfe0255/FLAG639a0e3aa [2019-09-06 09:02:21,914 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:02:21,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_append_unequal.i [2019-09-06 09:02:21,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/219fbf8c9/6691ad10aa5049319cc5fd5e2cfe0255/FLAG639a0e3aa [2019-09-06 09:02:22,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/219fbf8c9/6691ad10aa5049319cc5fd5e2cfe0255 [2019-09-06 09:02:22,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:02:22,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:02:22,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:02:22,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:02:22,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:02:22,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:02:22" (1/1) ... [2019-09-06 09:02:22,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfb25ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22, skipping insertion in model container [2019-09-06 09:02:22,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:02:22" (1/1) ... [2019-09-06 09:02:22,244 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:02:22,285 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:02:22,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:02:22,760 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:02:22,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:02:22,870 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:02:22,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22 WrapperNode [2019-09-06 09:02:22,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:02:22,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:02:22,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:02:22,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:02:22,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22" (1/1) ... [2019-09-06 09:02:22,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22" (1/1) ... [2019-09-06 09:02:22,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22" (1/1) ... [2019-09-06 09:02:22,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22" (1/1) ... [2019-09-06 09:02:22,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22" (1/1) ... [2019-09-06 09:02:22,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22" (1/1) ... [2019-09-06 09:02:22,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22" (1/1) ... [2019-09-06 09:02:22,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:02:22,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:02:22,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:02:22,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:02:22,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:02:22" (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 [2019-09-06 09:02:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:02:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:02:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-06 09:02:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-06 09:02:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-06 09:02:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-06 09:02:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-06 09:02:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-06 09:02:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_append [2019-09-06 09:02:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:02:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:02:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-06 09:02:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-06 09:02:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 09:02:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 09:02:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 09:02:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 09:02:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 09:02:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 09:02:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 09:02:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 09:02:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 09:02:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 09:02:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 09:02:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 09:02:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 09:02:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 09:02:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 09:02:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 09:02:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 09:02:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 09:02:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 09:02:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 09:02:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 09:02:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 09:02:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 09:02:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 09:02:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 09:02:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 09:02:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 09:02:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 09:02:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 09:02:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 09:02:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 09:02:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 09:02:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 09:02:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 09:02:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 09:02:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 09:02:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 09:02:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 09:02:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 09:02:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 09:02:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 09:02:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 09:02:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 09:02:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 09:02:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 09:02:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 09:02:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 09:02:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 09:02:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 09:02:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 09:02:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 09:02:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 09:02:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 09:02:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 09:02:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 09:02:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 09:02:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 09:02:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 09:02:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 09:02:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 09:02:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 09:02:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 09:02:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 09:02:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 09:02:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 09:02:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 09:02:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 09:02:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 09:02:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 09:02:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 09:02:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 09:02:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 09:02:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 09:02:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 09:02:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 09:02:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 09:02:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 09:02:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 09:02:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 09:02:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 09:02:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 09:02:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 09:02:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 09:02:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 09:02:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 09:02:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 09:02:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 09:02:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 09:02:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 09:02:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 09:02:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 09:02:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 09:02:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 09:02:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 09:02:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 09:02:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 09:02:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 09:02:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 09:02:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 09:02:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 09:02:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 09:02:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 09:02:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 09:02:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-06 09:02:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-06 09:02:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 09:02:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 09:02:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 09:02:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-06 09:02:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-06 09:02:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 09:02:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:02:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure dll_append [2019-09-06 09:02:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:02:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 09:02:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-06 09:02:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 09:02:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:02:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:02:23,389 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-06 09:02:23,640 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:02:23,640 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-06 09:02:23,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:02:23 BoogieIcfgContainer [2019-09-06 09:02:23,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:02:23,642 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:02:23,642 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:02:23,643 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:02:23,644 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:02:23" (1/1) ... [2019-09-06 09:02:23,644 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 09:02:23,667 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:02:23,667 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:02:23,675 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:02:23,683 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:02:23,685 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:02:23,761 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 09:02:23,880 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-06 09:02:24,742 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:02:24,742 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:02:24,746 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 120#true [2019-09-06 09:02:24,763 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:02:24,763 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:02:24,766 INFO L168 Benchmark]: Toolchain (without parser) took 2533.03 ms. Allocated memory was 138.9 MB in the beginning and 221.8 MB in the end (delta: 82.8 MB). Free memory was 85.1 MB in the beginning and 128.4 MB in the end (delta: -43.4 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2019-09-06 09:02:24,772 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:02:24,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.97 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.9 MB in the beginning and 160.0 MB in the end (delta: -75.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-06 09:02:24,776 INFO L168 Benchmark]: Boogie Preprocessor took 74.20 ms. Allocated memory is still 198.7 MB. Free memory was 160.0 MB in the beginning and 156.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-06 09:02:24,777 INFO L168 Benchmark]: RCFGBuilder took 696.19 ms. Allocated memory is still 198.7 MB. Free memory was 156.8 MB in the beginning and 107.2 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:02:24,777 INFO L168 Benchmark]: Sifa took 1120.98 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 107.2 MB in the beginning and 128.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:02:24,781 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 637.97 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.9 MB in the beginning and 160.0 MB in the end (delta: -75.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.20 ms. Allocated memory is still 198.7 MB. Free memory was 160.0 MB in the beginning and 156.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 696.19 ms. Allocated memory is still 198.7 MB. Free memory was 156.8 MB in the beginning and 107.2 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * Sifa took 1120.98 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 107.2 MB in the beginning and 128.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1079, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 80, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 68, TOOLS_POST_TIME[ms]: 720, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 129, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 821, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 88, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 62, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 20, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 718, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 717, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 856, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 163, DAG_COMPRESSION_RETAINED_NODES: 83 - UnprovableResult [Line: 634]: 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 120#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...