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 -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:34:52,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:34:52,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:34:52,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:34:52,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:34:52,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:34:52,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:34:52,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:34:52,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:34:52,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:34:52,067 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:34:52,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:34:52,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:34:52,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:34:52,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:34:52,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:34:52,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:34:52,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:34:52,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:34:52,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:34:52,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:34:52,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:34:52,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:34:52,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:34:52,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:34:52,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:34:52,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:34:52,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:34:52,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:34:52,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:34:52,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:34:52,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:34:52,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:34:52,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:34:52,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:34:52,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:34:52,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:34:52,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:34:52,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:34:52,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:34:52,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:34:52,093 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 [2019-08-14 20:34:52,107 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:34:52,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:34:52,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:34:52,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:34:52,109 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:34:52,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:34:52,110 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:34:52,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:34:52,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:34:52,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:34:52,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:34:52,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:34:52,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:34:52,111 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:34:52,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:34:52,111 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:34:52,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:34:52,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:34:52,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:34:52,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:34:52,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:34:52,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:34:52,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:34:52,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:34:52,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:34:52,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:34:52,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:34:52,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:34:52,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:34:52,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:34:52,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:34:52,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:34:52,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:34:52,159 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:34:52,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-08-14 20:34:52,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae1c2fca0/0cc9a6f4f0cb428b944223d898be1a6b/FLAG5efbe362b [2019-08-14 20:34:52,728 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:34:52,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-08-14 20:34:52,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae1c2fca0/0cc9a6f4f0cb428b944223d898be1a6b/FLAG5efbe362b [2019-08-14 20:34:53,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae1c2fca0/0cc9a6f4f0cb428b944223d898be1a6b [2019-08-14 20:34:53,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:34:53,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:34:53,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:34:53,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:34:53,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:34:53,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:34:53" (1/1) ... [2019-08-14 20:34:53,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a8e1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53, skipping insertion in model container [2019-08-14 20:34:53,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:34:53" (1/1) ... [2019-08-14 20:34:53,074 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:34:53,130 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:34:53,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:34:53,617 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:34:53,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:34:53,740 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:34:53,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53 WrapperNode [2019-08-14 20:34:53,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:34:53,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:34:53,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:34:53,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:34:53,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53" (1/1) ... [2019-08-14 20:34:53,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53" (1/1) ... [2019-08-14 20:34:53,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53" (1/1) ... [2019-08-14 20:34:53,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53" (1/1) ... [2019-08-14 20:34:53,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53" (1/1) ... [2019-08-14 20:34:53,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53" (1/1) ... [2019-08-14 20:34:53,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53" (1/1) ... [2019-08-14 20:34:53,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:34:53,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:34:53,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:34:53,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:34:53,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:53" (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 [2019-08-14 20:34:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:34:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:34:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-14 20:34:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-14 20:34:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-14 20:34:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-14 20:34:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-08-14 20:34:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-08-14 20:34:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-08-14 20:34:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-08-14 20:34:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:34:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:34:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-14 20:34:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-14 20:34:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-14 20:34:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-14 20:34:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-14 20:34:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-14 20:34:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-14 20:34:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-14 20:34:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-14 20:34:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-14 20:34:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-14 20:34:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-14 20:34:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-14 20:34:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-14 20:34:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-14 20:34:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-14 20:34:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-14 20:34:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-14 20:34:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-14 20:34:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-14 20:34:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-14 20:34:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-14 20:34:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-14 20:34:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-14 20:34:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-14 20:34:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-14 20:34:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-14 20:34:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-14 20:34:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-14 20:34:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-14 20:34:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-14 20:34:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-14 20:34:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-14 20:34:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-14 20:34:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-14 20:34:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-14 20:34:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-14 20:34:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-14 20:34:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-14 20:34:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-14 20:34:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-14 20:34:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-14 20:34:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-14 20:34:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-14 20:34:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-14 20:34:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-14 20:34:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-14 20:34:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-14 20:34:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-14 20:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-14 20:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-14 20:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-14 20:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-14 20:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-14 20:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-14 20:34:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-14 20:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-14 20:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-14 20:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-14 20:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-14 20:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-14 20:34:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-14 20:34:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-14 20:34:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-14 20:34:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-14 20:34:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 20:34:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-14 20:34:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-14 20:34:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-14 20:34:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-14 20:34:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-14 20:34:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-14 20:34:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-14 20:34:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-14 20:34:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-14 20:34:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-14 20:34:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-14 20:34:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-14 20:34:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-14 20:34:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-14 20:34:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-14 20:34:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-14 20:34:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-14 20:34:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-14 20:34:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-14 20:34:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-14 20:34:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-14 20:34:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-14 20:34:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-14 20:34:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-14 20:34:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-14 20:34:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-14 20:34:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-14 20:34:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-14 20:34:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-14 20:34:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-14 20:34:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-14 20:34:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-14 20:34:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-14 20:34:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-14 20:34:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-14 20:34:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-14 20:34:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-14 20:34:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-14 20:34:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-14 20:34:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-14 20:34:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-14 20:34:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-14 20:34:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-14 20:34:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:34:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-08-14 20:34:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-08-14 20:34:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-14 20:34:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:34:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-08-14 20:34:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:34:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-08-14 20:34:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:34:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:34:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:34:54,290 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-14 20:34:54,490 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:34:54,490 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-14 20:34:54,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:34:54 BoogieIcfgContainer [2019-08-14 20:34:54,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:34:54,492 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:34:54,492 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:34:54,492 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:34:54,493 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:34:54" (1/1) ... [2019-08-14 20:34:54,791 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:34:55,043 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-08-14 20:34:55,190 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-14 20:34:55,781 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-08-14 20:34:55,899 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-14 20:34:56,038 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-14 20:34:56,365 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-08-14 20:34:57,646 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2019-08-14 20:34:58,042 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-14 20:34:58,390 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-08-14 20:34:58,682 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-08-14 20:34:59,117 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2019-08-14 20:34:59,344 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-14 20:34:59,475 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-08-14 20:34:59,687 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-08-14 20:34:59,902 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:35:00,053 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-08-14 20:35:00,514 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-14 20:35:00,939 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-08-14 20:35:01,391 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-08-14 20:35:01,458 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-14 20:35:01,637 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:35:01,639 INFO L168 Benchmark]: Toolchain (without parser) took 8581.54 ms. Allocated memory was 136.3 MB in the beginning and 328.2 MB in the end (delta: 191.9 MB). Free memory was 84.0 MB in the beginning and 70.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 207.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:01,639 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:35:01,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.99 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 83.8 MB in the beginning and 163.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:01,641 INFO L168 Benchmark]: Boogie Preprocessor took 68.26 ms. Allocated memory is still 199.2 MB. Free memory was 163.6 MB in the beginning and 160.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:01,642 INFO L168 Benchmark]: RCFGBuilder took 681.07 ms. Allocated memory is still 199.2 MB. Free memory was 160.4 MB in the beginning and 113.2 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:01,642 INFO L168 Benchmark]: Symbolic Interpretation took 7145.28 ms. Allocated memory was 199.2 MB in the beginning and 328.2 MB in the end (delta: 129.0 MB). Free memory was 113.2 MB in the beginning and 70.0 MB in the end (delta: 43.2 MB). Peak memory consumption was 173.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:01,646 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 630]: 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 213#(exists ((v_dll_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_4 Int)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_4) v_dll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483648)) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_4) v_dll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483647) (< main_~i~0 main_~len~0) (not (= main_~expected~0 (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_4) v_dll_get_data_at_~head.offset_BEFORE_RETURN_4))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.99 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 83.8 MB in the beginning and 163.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.26 ms. Allocated memory is still 199.2 MB. Free memory was 163.6 MB in the beginning and 160.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 681.07 ms. Allocated memory is still 199.2 MB. Free memory was 160.4 MB in the beginning and 113.2 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 7145.28 ms. Allocated memory was 199.2 MB in the beginning and 328.2 MB in the end (delta: 129.0 MB). Free memory was 113.2 MB in the beginning and 70.0 MB in the end (delta: 43.2 MB). Peak memory consumption was 173.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...