java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:12:32,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:12:32,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:12:32,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:12:32,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:12:32,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:12:32,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:12:32,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:12:32,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:12:32,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:12:32,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:12:32,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:12:32,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:12:32,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:12:32,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:12:32,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:12:32,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:12:32,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:12:32,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:12:32,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:12:32,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:12:32,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:12:32,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:12:32,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:12:32,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:12:32,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:12:32,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:12:32,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:12:32,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:12:32,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:12:32,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:12:32,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:12:32,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:12:32,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:12:32,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:12:32,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:12:32,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:12:32,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:12:32,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:12:32,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:12:32,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:12:32,913 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 [2019-10-14 23:12:32,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:12:32,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:12:32,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:12:32,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:12:32,937 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:12:32,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:12:32,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:12:32,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:12:32,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:12:32,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:12:32,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:12:32,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:12:32,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:12:32,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:12:32,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:12:32,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:12:32,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:12:32,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:12:32,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:12:32,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:12:32,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:12:32,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:12:32,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:12:32,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:12:32,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:12:32,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:12:32,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:12:32,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:12:32,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:12:33,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:12:33,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:12:33,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:12:33,241 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:12:33,241 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:12:33,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-10-14 23:12:33,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd7bb3799/f25c3e4c593348c492e77199190638f3/FLAG11c6ebcea [2019-10-14 23:12:33,873 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:12:33,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-10-14 23:12:33,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd7bb3799/f25c3e4c593348c492e77199190638f3/FLAG11c6ebcea [2019-10-14 23:12:34,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd7bb3799/f25c3e4c593348c492e77199190638f3 [2019-10-14 23:12:34,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:12:34,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:12:34,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:12:34,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:12:34,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:12:34,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:12:34" (1/1) ... [2019-10-14 23:12:34,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aca1f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34, skipping insertion in model container [2019-10-14 23:12:34,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:12:34" (1/1) ... [2019-10-14 23:12:34,251 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:12:34,302 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:12:34,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:12:34,776 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:12:34,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:12:34,910 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:12:34,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34 WrapperNode [2019-10-14 23:12:34,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:12:34,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:12:34,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:12:34,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:12:34,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34" (1/1) ... [2019-10-14 23:12:34,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34" (1/1) ... [2019-10-14 23:12:34,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34" (1/1) ... [2019-10-14 23:12:34,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34" (1/1) ... [2019-10-14 23:12:34,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34" (1/1) ... [2019-10-14 23:12:34,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34" (1/1) ... [2019-10-14 23:12:34,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34" (1/1) ... [2019-10-14 23:12:34,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:12:35,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:12:35,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:12:35,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:12:35,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34" (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 [2019-10-14 23:12:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:12:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:12:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-14 23:12:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-14 23:12:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-14 23:12:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-14 23:12:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-10-14 23:12:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-10-14 23:12:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-10-14 23:12:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-10-14 23:12:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:12:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:12:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-14 23:12:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-14 23:12:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-14 23:12:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-14 23:12:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-14 23:12:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-14 23:12:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-14 23:12:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-14 23:12:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-14 23:12:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-14 23:12:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-14 23:12:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-14 23:12:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-14 23:12:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-14 23:12:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-14 23:12:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-14 23:12:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-14 23:12:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-14 23:12:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-14 23:12:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-14 23:12:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-14 23:12:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-14 23:12:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-14 23:12:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-14 23:12:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-14 23:12:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-14 23:12:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-14 23:12:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-14 23:12:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-14 23:12:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-14 23:12:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-14 23:12:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-14 23:12:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-14 23:12:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-14 23:12:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-14 23:12:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-14 23:12:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-14 23:12:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-14 23:12:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-14 23:12:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-14 23:12:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-14 23:12:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-14 23:12:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-14 23:12:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:12:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:12:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-14 23:12:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:12:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-14 23:12:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-14 23:12:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-14 23:12:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-14 23:12:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-14 23:12:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-14 23:12:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-14 23:12:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-14 23:12:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-14 23:12:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:12:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-14 23:12:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-14 23:12:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-14 23:12:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-14 23:12:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-14 23:12:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-14 23:12:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-14 23:12:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-14 23:12:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-14 23:12:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-14 23:12:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-14 23:12:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-14 23:12:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-14 23:12:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-14 23:12:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-14 23:12:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-14 23:12:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-14 23:12:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-14 23:12:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-14 23:12:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-14 23:12:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-14 23:12:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-14 23:12:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-14 23:12:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-14 23:12:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-14 23:12:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-14 23:12:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-14 23:12:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-14 23:12:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-14 23:12:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-14 23:12:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-14 23:12:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-14 23:12:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-14 23:12:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-14 23:12:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-14 23:12:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-14 23:12:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-14 23:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-14 23:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-14 23:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-14 23:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-14 23:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:12:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-10-14 23:12:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-10-14 23:12:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:12:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:12:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-10-14 23:12:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:12:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-10-14 23:12:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:12:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:12:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:12:35,527 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-14 23:12:35,736 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:12:35,736 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-14 23:12:35,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:12:35 BoogieIcfgContainer [2019-10-14 23:12:35,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:12:35,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:12:35,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:12:35,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:12:35,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:12:34" (1/3) ... [2019-10-14 23:12:35,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51bba046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:12:35, skipping insertion in model container [2019-10-14 23:12:35,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:34" (2/3) ... [2019-10-14 23:12:35,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51bba046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:12:35, skipping insertion in model container [2019-10-14 23:12:35,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:12:35" (3/3) ... [2019-10-14 23:12:35,746 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2019-10-14 23:12:35,756 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:12:35,765 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:12:35,777 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:12:35,802 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:12:35,803 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:12:35,803 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:12:35,803 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:12:35,803 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:12:35,803 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:12:35,804 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:12:35,804 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:12:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-10-14 23:12:35,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-14 23:12:35,831 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:12:35,832 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:12:35,834 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:12:35,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:12:35,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1303429635, now seen corresponding path program 1 times [2019-10-14 23:12:35,849 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:12:35,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238045554] [2019-10-14 23:12:35,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:12:35,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:12:35,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:12:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:12:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:12:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:12:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:12:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:12:36,085 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238045554] [2019-10-14 23:12:36,086 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:12:36,087 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:12:36,087 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242967992] [2019-10-14 23:12:36,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:12:36,093 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:12:36,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:12:36,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:12:36,111 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 4 states. [2019-10-14 23:12:36,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:12:36,426 INFO L93 Difference]: Finished difference Result 123 states and 178 transitions. [2019-10-14 23:12:36,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 23:12:36,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-10-14 23:12:36,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:12:36,442 INFO L225 Difference]: With dead ends: 123 [2019-10-14 23:12:36,443 INFO L226 Difference]: Without dead ends: 64 [2019-10-14 23:12:36,449 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:12:36,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-10-14 23:12:36,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2019-10-14 23:12:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-10-14 23:12:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2019-10-14 23:12:36,507 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2019-10-14 23:12:36,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:12:36,508 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2019-10-14 23:12:36,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:12:36,509 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2019-10-14 23:12:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-14 23:12:36,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:12:36,511 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:12:36,512 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:12:36,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:12:36,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2048382207, now seen corresponding path program 1 times [2019-10-14 23:12:36,513 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:12:36,514 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808699854] [2019-10-14 23:12:36,515 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:12:36,515 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:12:36,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:12:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:12:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:12:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:12:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:12:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:12:36,670 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808699854] [2019-10-14 23:12:36,670 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:12:36,671 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:12:36,671 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024708080] [2019-10-14 23:12:36,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:12:36,675 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:12:36,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:12:36,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:12:36,676 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 6 states. [2019-10-14 23:12:36,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:12:36,994 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2019-10-14 23:12:36,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:12:36,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-10-14 23:12:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:12:36,995 INFO L225 Difference]: With dead ends: 56 [2019-10-14 23:12:36,995 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:12:36,997 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:12:36,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:12:36,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:12:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:12:36,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:12:36,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-14 23:12:36,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:12:36,998 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:12:36,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:12:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:12:36,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:12:37,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:12:37,283 INFO L439 ceAbstractionStarter]: At program point L607-2(lines 607 610) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-14 23:12:37,283 INFO L443 ceAbstractionStarter]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2019-10-14 23:12:37,283 INFO L439 ceAbstractionStarter]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-14 23:12:37,284 INFO L443 ceAbstractionStarter]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2019-10-14 23:12:37,284 INFO L443 ceAbstractionStarter]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2019-10-14 23:12:37,285 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:12:37,286 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-14 23:12:37,287 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:12:37,287 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2019-10-14 23:12:37,287 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2019-10-14 23:12:37,287 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-14 23:12:37,288 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2019-10-14 23:12:37,288 INFO L439 ceAbstractionStarter]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-14 23:12:37,288 INFO L446 ceAbstractionStarter]: At program point L576-2(lines 576 589) the Hoare annotation is: true [2019-10-14 23:12:37,288 INFO L443 ceAbstractionStarter]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2019-10-14 23:12:37,289 INFO L443 ceAbstractionStarter]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2019-10-14 23:12:37,289 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-10-14 23:12:37,289 INFO L443 ceAbstractionStarter]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2019-10-14 23:12:37,290 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 586) no Hoare annotation was computed. [2019-10-14 23:12:37,290 INFO L443 ceAbstractionStarter]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2019-10-14 23:12:37,291 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 580) no Hoare annotation was computed. [2019-10-14 23:12:37,292 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-10-14 23:12:37,292 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2019-10-14 23:12:37,292 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-10-14 23:12:37,294 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-10-14 23:12:37,294 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2019-10-14 23:12:37,295 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-10-14 23:12:37,295 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:12:37,295 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-14 23:12:37,295 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:12:37,295 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:12:37,295 INFO L446 ceAbstractionStarter]: At program point L600-2(lines 600 603) the Hoare annotation is: true [2019-10-14 23:12:37,296 INFO L443 ceAbstractionStarter]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2019-10-14 23:12:37,296 INFO L443 ceAbstractionStarter]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2019-10-14 23:12:37,296 INFO L446 ceAbstractionStarter]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2019-10-14 23:12:37,301 INFO L443 ceAbstractionStarter]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2019-10-14 23:12:37,301 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2019-10-14 23:12:37,301 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2019-10-14 23:12:37,301 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-14 23:12:37,302 INFO L439 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: false [2019-10-14 23:12:37,302 INFO L443 ceAbstractionStarter]: For program point L624-1(line 624) no Hoare annotation was computed. [2019-10-14 23:12:37,302 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2019-10-14 23:12:37,302 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2019-10-14 23:12:37,302 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (<= 2 main_~len~0) [2019-10-14 23:12:37,303 INFO L443 ceAbstractionStarter]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2019-10-14 23:12:37,303 INFO L443 ceAbstractionStarter]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2019-10-14 23:12:37,303 INFO L439 ceAbstractionStarter]: At program point L622-3(lines 622 627) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 2 main_~len~0)) [2019-10-14 23:12:37,304 INFO L446 ceAbstractionStarter]: At program point L622-4(lines 622 627) the Hoare annotation is: true [2019-10-14 23:12:37,304 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-14 23:12:37,305 INFO L439 ceAbstractionStarter]: At program point L618-2(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2019-10-14 23:12:37,305 INFO L443 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2019-10-14 23:12:37,305 INFO L443 ceAbstractionStarter]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2019-10-14 23:12:37,305 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-14 23:12:37,306 INFO L439 ceAbstractionStarter]: At program point L625(lines 613 632) the Hoare annotation is: false [2019-10-14 23:12:37,306 INFO L443 ceAbstractionStarter]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2019-10-14 23:12:37,306 INFO L439 ceAbstractionStarter]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |#valid| |old(#valid)|) [2019-10-14 23:12:37,306 INFO L446 ceAbstractionStarter]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2019-10-14 23:12:37,306 INFO L443 ceAbstractionStarter]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2019-10-14 23:12:37,306 INFO L443 ceAbstractionStarter]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2019-10-14 23:12:37,306 INFO L443 ceAbstractionStarter]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2019-10-14 23:12:37,307 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-14 23:12:37,307 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 568) no Hoare annotation was computed. [2019-10-14 23:12:37,307 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2019-10-14 23:12:37,307 INFO L443 ceAbstractionStarter]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2019-10-14 23:12:37,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-14 23:12:37,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-14 23:12:37,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-14 23:12:37,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-14 23:12:37,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:12:37,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:12:37,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-14 23:12:37,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-14 23:12:37,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-14 23:12:37,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-14 23:12:37,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:12:37,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:12:37,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:12:37 BoogieIcfgContainer [2019-10-14 23:12:37,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:12:37,337 INFO L168 Benchmark]: Toolchain (without parser) took 3100.22 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 102.4 MB in the beginning and 96.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:12:37,338 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 23:12:37,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.52 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 168.9 MB in the end (delta: -66.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:12:37,341 INFO L168 Benchmark]: Boogie Preprocessor took 85.23 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 165.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:12:37,341 INFO L168 Benchmark]: RCFGBuilder took 734.57 ms. Allocated memory is still 203.4 MB. Free memory was 165.5 MB in the beginning and 117.0 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:12:37,343 INFO L168 Benchmark]: TraceAbstraction took 1594.95 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 117.0 MB in the beginning and 96.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:12:37,347 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.52 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 168.9 MB in the end (delta: -66.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.23 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 165.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 734.57 ms. Allocated memory is still 203.4 MB. Free memory was 165.5 MB in the beginning and 117.0 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1594.95 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 117.0 MB in the beginning and 96.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 2 <= len - InvariantResult [Line: 607]: Loop Invariant [2019-10-14 23:12:37,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-14 23:12:37,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-14 23:12:37,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-14 23:12:37,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-14 23:12:37,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:12:37,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:12:37,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-14 23:12:37,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-14 23:12:37,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-14 23:12:37,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-14 23:12:37,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:12:37,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:12:37,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-14 23:12:37,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 <= i && 2 <= len - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 72 SDtfs, 115 SDslu, 52 SDs, 0 SdLazy, 157 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 38 PreInvPairs, 55 NumberOfFragments, 109 HoareAnnotationTreeSize, 38 FomulaSimplifications, 115 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 115 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 2448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...