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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:07:15,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:07:15,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:07:15,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:07:15,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:07:15,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:07:15,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:07:15,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:07:15,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:07:15,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:07:15,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:07:15,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:07:15,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:07:15,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:07:15,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:07:15,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:07:15,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:07:15,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:07:15,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:07:16,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:07:16,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:07:16,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:07:16,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:07:16,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:07:16,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:07:16,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:07:16,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:07:16,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:07:16,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:07:16,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:07:16,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:07:16,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:07:16,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:07:16,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:07:16,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:07:16,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:07:16,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:07:16,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:07:16,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:07:16,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:07:16,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:07:16,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:07:16,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:07:16,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:07:16,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:07:16,037 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:07:16,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:07:16,038 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:07:16,038 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:07:16,038 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:07:16,039 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:07:16,039 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:07:16,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:07:16,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:07:16,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:07:16,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:07:16,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:07:16,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:07:16,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:07:16,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:07:16,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:07:16,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:07:16,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:07:16,042 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:07:16,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:07:16,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:16,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:07:16,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:07:16,043 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:07:16,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:07:16,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:07:16,043 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:07:16,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:07:16,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:07:16,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:07:16,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:07:16,100 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:07:16,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-16 17:07:16,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da3b27849/09f62f2f394949d594f2bf1a27bf3f43/FLAG39804daa8 [2019-09-16 17:07:16,738 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:07:16,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-16 17:07:16,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da3b27849/09f62f2f394949d594f2bf1a27bf3f43/FLAG39804daa8 [2019-09-16 17:07:17,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da3b27849/09f62f2f394949d594f2bf1a27bf3f43 [2019-09-16 17:07:17,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:07:17,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:07:17,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:17,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:07:17,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:07:17,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:17" (1/1) ... [2019-09-16 17:07:17,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6a066a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17, skipping insertion in model container [2019-09-16 17:07:17,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:17" (1/1) ... [2019-09-16 17:07:17,081 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:07:17,123 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:07:17,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:17,641 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:07:17,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:17,757 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:07:17,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17 WrapperNode [2019-09-16 17:07:17,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:17,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:07:17,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:07:17,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:07:17,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17" (1/1) ... [2019-09-16 17:07:17,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17" (1/1) ... [2019-09-16 17:07:17,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17" (1/1) ... [2019-09-16 17:07:17,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17" (1/1) ... [2019-09-16 17:07:17,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17" (1/1) ... [2019-09-16 17:07:17,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17" (1/1) ... [2019-09-16 17:07:17,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17" (1/1) ... [2019-09-16 17:07:17,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:07:17,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:07:17,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:07:17,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:07:17,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:07:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:07:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-16 17:07:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-16 17:07:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-16 17:07:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-16 17:07:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-16 17:07:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-16 17:07:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-16 17:07:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-16 17:07:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:07:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:07:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-16 17:07:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-16 17:07:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-16 17:07:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-16 17:07:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-16 17:07:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-16 17:07:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-16 17:07:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-16 17:07:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-16 17:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-16 17:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-16 17:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-16 17:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-16 17:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-16 17:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-16 17:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-16 17:07:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-16 17:07:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-16 17:07:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-16 17:07:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-16 17:07:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-16 17:07:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-16 17:07:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-16 17:07:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-16 17:07:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-16 17:07:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-16 17:07:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-16 17:07:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-16 17:07:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-16 17:07:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-16 17:07:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-16 17:07:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-16 17:07:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-16 17:07:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-16 17:07:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-16 17:07:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-16 17:07:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-16 17:07:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-16 17:07:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-16 17:07:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-16 17:07:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-16 17:07:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-16 17:07:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-16 17:07:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-16 17:07:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-16 17:07:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-16 17:07:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-16 17:07:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-16 17:07:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-16 17:07:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-16 17:07:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-16 17:07:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-16 17:07:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:07:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 17:07:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-16 17:07:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:07:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-16 17:07:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-16 17:07:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-16 17:07:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-16 17:07:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-16 17:07:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-16 17:07:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-16 17:07:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-16 17:07:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-16 17:07:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-16 17:07:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-16 17:07:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-16 17:07:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-16 17:07:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-16 17:07:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-16 17:07:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-16 17:07:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-16 17:07:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-16 17:07:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-16 17:07:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-16 17:07:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-16 17:07:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-16 17:07:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-16 17:07:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-16 17:07:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-16 17:07:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-16 17:07:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-16 17:07:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-16 17:07:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-16 17:07:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-16 17:07:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-16 17:07:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-16 17:07:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-16 17:07:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-16 17:07:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-16 17:07:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-16 17:07:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-16 17:07:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-16 17:07:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-16 17:07:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-16 17:07:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-16 17:07:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-16 17:07:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-16 17:07:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-16 17:07:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-16 17:07:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-16 17:07:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-16 17:07:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-16 17:07:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-16 17:07:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-16 17:07:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-16 17:07:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:07:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:07:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:07:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-16 17:07:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-16 17:07:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:07:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:07:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-16 17:07:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:07:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-16 17:07:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:07:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:07:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:07:18,321 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-16 17:07:18,486 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:07:18,487 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-16 17:07:18,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:18 BoogieIcfgContainer [2019-09-16 17:07:18,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:07:18,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:07:18,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:07:18,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:07:18,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:07:17" (1/3) ... [2019-09-16 17:07:18,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf5d3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:18, skipping insertion in model container [2019-09-16 17:07:18,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:17" (2/3) ... [2019-09-16 17:07:18,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf5d3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:18, skipping insertion in model container [2019-09-16 17:07:18,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:18" (3/3) ... [2019-09-16 17:07:18,507 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2019-09-16 17:07:18,517 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:07:18,529 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:07:18,543 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:07:18,568 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:07:18,569 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:07:18,569 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:07:18,569 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:07:18,569 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:07:18,570 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:07:18,570 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:07:18,570 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:07:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-09-16 17:07:18,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-16 17:07:18,598 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:18,599 INFO L407 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] [2019-09-16 17:07:18,601 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:18,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:18,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1303429635, now seen corresponding path program 1 times [2019-09-16 17:07:18,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:18,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:18,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:18,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:18,680 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:18,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:18,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:18,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:07:18,796 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:18,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:07:18,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:07:18,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:18,820 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2019-09-16 17:07:18,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:18,838 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2019-09-16 17:07:18,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:07:18,840 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-09-16 17:07:18,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:18,849 INFO L225 Difference]: With dead ends: 51 [2019-09-16 17:07:18,849 INFO L226 Difference]: Without dead ends: 38 [2019-09-16 17:07:18,851 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:18,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-09-16 17:07:18,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-09-16 17:07:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-09-16 17:07:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2019-09-16 17:07:18,885 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2019-09-16 17:07:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:18,885 INFO L475 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2019-09-16 17:07:18,885 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:07:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2019-09-16 17:07:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-16 17:07:18,886 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:18,887 INFO L407 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] [2019-09-16 17:07:18,887 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:18,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:18,888 INFO L82 PathProgramCache]: Analyzing trace with hash 2048382207, now seen corresponding path program 1 times [2019-09-16 17:07:18,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:18,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:18,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:18,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:18,894 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:18,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:18,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:07:18,992 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:18,993 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:07:18,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:07:18,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:07:18,994 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 4 states. [2019-09-16 17:07:19,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:19,037 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2019-09-16 17:07:19,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:07:19,038 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-09-16 17:07:19,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:19,039 INFO L225 Difference]: With dead ends: 30 [2019-09-16 17:07:19,039 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:07:19,040 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:07:19,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:07:19,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:07:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:07:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:07:19,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-09-16 17:07:19,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:19,041 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:07:19,041 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:07:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:07:19,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:07:19,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:07:19 BoogieIcfgContainer [2019-09-16 17:07:19,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:07:19,069 INFO L168 Benchmark]: Toolchain (without parser) took 2002.27 ms. Allocated memory was 140.0 MB in the beginning and 224.9 MB in the end (delta: 84.9 MB). Free memory was 85.9 MB in the beginning and 191.9 MB in the end (delta: -106.1 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:19,070 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:07:19,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.78 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.6 MB in the beginning and 161.8 MB in the end (delta: -76.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:19,075 INFO L168 Benchmark]: Boogie Preprocessor took 93.75 ms. Allocated memory is still 199.8 MB. Free memory was 161.8 MB in the beginning and 158.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:19,076 INFO L168 Benchmark]: RCFGBuilder took 636.95 ms. Allocated memory is still 199.8 MB. Free memory was 158.2 MB in the beginning and 110.4 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:19,077 INFO L168 Benchmark]: TraceAbstraction took 575.00 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 110.4 MB in the beginning and 191.9 MB in the end (delta: -81.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:19,089 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.78 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.6 MB in the beginning and 161.8 MB in the end (delta: -76.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.75 ms. Allocated memory is still 199.8 MB. Free memory was 161.8 MB in the beginning and 158.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 636.95 ms. Allocated memory is still 199.8 MB. Free memory was 158.2 MB in the beginning and 110.4 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 575.00 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 110.4 MB in the beginning and 191.9 MB in the end (delta: -81.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. * 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 7 SDslu, 47 SDs, 0 SdLazy, 7 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...