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 0.1.24-673a906-m [2019-10-03 02:30:16,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:30:16,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:30:16,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:30:16,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:30:16,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:30:16,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:30:16,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:30:16,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:30:16,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:30:16,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:30:16,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:30:16,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:30:16,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:30:16,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:30:16,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:30:16,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:30:16,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:30:16,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:30:16,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:30:16,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:30:16,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:30:16,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:30:16,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:30:16,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:30:16,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:30:16,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:30:16,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:30:16,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:30:16,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:30:16,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:30:16,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:30:16,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:30:16,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:30:16,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:30:16,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:30:16,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:30:16,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:30:16,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:30:16,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:30:16,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:30:16,983 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 [2019-10-03 02:30:17,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:30:17,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:30:17,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:30:17,001 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:30:17,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:30:17,002 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:30:17,002 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:30:17,002 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:30:17,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:30:17,003 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:30:17,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:30:17,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:30:17,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:30:17,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:30:17,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:30:17,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:30:17,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:30:17,005 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:30:17,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:30:17,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:30:17,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:30:17,006 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:30:17,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:30:17,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:30:17,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:30:17,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:30:17,007 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:30:17,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:30:17,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:30:17,008 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:30:17,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:30:17,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:30:17,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:30:17,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:30:17,098 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:30:17,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-10-03 02:30:17,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc290c568/65da24b1b80f4a12a49af8d457a63a48/FLAGec7465302 [2019-10-03 02:30:17,770 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:30:17,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-10-03 02:30:17,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc290c568/65da24b1b80f4a12a49af8d457a63a48/FLAGec7465302 [2019-10-03 02:30:18,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc290c568/65da24b1b80f4a12a49af8d457a63a48 [2019-10-03 02:30:18,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:30:18,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:30:18,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:30:18,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:30:18,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:30:18,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:30:18" (1/1) ... [2019-10-03 02:30:18,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f57687a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18, skipping insertion in model container [2019-10-03 02:30:18,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:30:18" (1/1) ... [2019-10-03 02:30:18,074 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:30:18,144 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:30:18,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:30:18,758 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:30:18,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:30:18,926 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:30:18,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18 WrapperNode [2019-10-03 02:30:18,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:30:18,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:30:18,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:30:18,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:30:18,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18" (1/1) ... [2019-10-03 02:30:18,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18" (1/1) ... [2019-10-03 02:30:18,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18" (1/1) ... [2019-10-03 02:30:18,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18" (1/1) ... [2019-10-03 02:30:18,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18" (1/1) ... [2019-10-03 02:30:18,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18" (1/1) ... [2019-10-03 02:30:19,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18" (1/1) ... [2019-10-03 02:30:19,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:30:19,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:30:19,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:30:19,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:30:19,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18" (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 [2019-10-03 02:30:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:30:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:30:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-03 02:30:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-03 02:30:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-03 02:30:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-03 02:30:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-10-03 02:30:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-10-03 02:30:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-10-03 02:30:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-10-03 02:30:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:30:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:30:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-03 02:30:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-03 02:30:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-03 02:30:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-03 02:30:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-03 02:30:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-03 02:30:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-03 02:30:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-03 02:30:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-03 02:30:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-03 02:30:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-03 02:30:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-03 02:30:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-03 02:30:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-03 02:30:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-03 02:30:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-03 02:30:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-03 02:30:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-03 02:30:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-03 02:30:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-03 02:30:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-03 02:30:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-03 02:30:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-03 02:30:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-03 02:30:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-03 02:30:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-03 02:30:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-03 02:30:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-03 02:30:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-03 02:30:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-03 02:30:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-03 02:30:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-03 02:30:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-03 02:30:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-03 02:30:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-03 02:30:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-03 02:30:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-03 02:30:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-03 02:30:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-03 02:30:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-03 02:30:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-03 02:30:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-03 02:30:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-03 02:30:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-03 02:30:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-03 02:30:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-03 02:30:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-03 02:30:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-03 02:30:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-03 02:30:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-03 02:30:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-03 02:30:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-03 02:30:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:30:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 02:30:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-03 02:30:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:30:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-03 02:30:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-03 02:30:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-03 02:30:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-03 02:30:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-03 02:30:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-03 02:30:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-03 02:30:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-03 02:30:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-03 02:30:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 02:30:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-03 02:30:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-03 02:30:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-03 02:30:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-03 02:30:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-03 02:30:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-03 02:30:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-03 02:30:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-03 02:30:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-03 02:30:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-03 02:30:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-03 02:30:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-03 02:30:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-03 02:30:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-03 02:30:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-03 02:30:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-03 02:30:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-03 02:30:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-03 02:30:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-03 02:30:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-03 02:30:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-03 02:30:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-03 02:30:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-03 02:30:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-03 02:30:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-03 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-03 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-03 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-03 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-03 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-03 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-03 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-03 02:30:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-03 02:30:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-03 02:30:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-03 02:30:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-03 02:30:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-03 02:30:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-03 02:30:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-03 02:30:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-03 02:30:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-03 02:30:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:30:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:30:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:30:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-10-03 02:30:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-10-03 02:30:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:30:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:30:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-10-03 02:30:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:30:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-10-03 02:30:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:30:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:30:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:30:19,656 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-03 02:30:19,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:30:19,927 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-03 02:30:19,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:30:19 BoogieIcfgContainer [2019-10-03 02:30:19,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:30:19,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:30:19,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:30:19,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:30:19,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:30:18" (1/3) ... [2019-10-03 02:30:19,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f357e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:30:19, skipping insertion in model container [2019-10-03 02:30:19,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:30:18" (2/3) ... [2019-10-03 02:30:19,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f357e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:30:19, skipping insertion in model container [2019-10-03 02:30:19,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:30:19" (3/3) ... [2019-10-03 02:30:19,939 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2019-10-03 02:30:19,952 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:30:19,963 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:30:19,985 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:30:20,017 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:30:20,018 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:30:20,018 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:30:20,018 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:30:20,019 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:30:20,019 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:30:20,019 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:30:20,019 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:30:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-10-03 02:30:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-03 02:30:20,052 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:30:20,054 INFO L411 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] [2019-10-03 02:30:20,056 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:30:20,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:30:20,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1303429635, now seen corresponding path program 1 times [2019-10-03 02:30:20,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:30:20,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:30:20,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:30:20,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:30:20,152 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:30:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:30:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:30:20,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:30:20,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:30:20,281 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:30:20,288 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:30:20,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:30:20,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:30:20,311 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2019-10-03 02:30:20,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:30:20,336 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2019-10-03 02:30:20,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:30:20,338 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-10-03 02:30:20,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:30:20,350 INFO L225 Difference]: With dead ends: 51 [2019-10-03 02:30:20,350 INFO L226 Difference]: Without dead ends: 38 [2019-10-03 02:30:20,353 INFO L640 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 [2019-10-03 02:30:20,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-03 02:30:20,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-10-03 02:30:20,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-10-03 02:30:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2019-10-03 02:30:20,403 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2019-10-03 02:30:20,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:30:20,404 INFO L475 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2019-10-03 02:30:20,404 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:30:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2019-10-03 02:30:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-03 02:30:20,406 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:30:20,406 INFO L411 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] [2019-10-03 02:30:20,407 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:30:20,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:30:20,408 INFO L82 PathProgramCache]: Analyzing trace with hash 2048382207, now seen corresponding path program 1 times [2019-10-03 02:30:20,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:30:20,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:30:20,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:30:20,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:30:20,414 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:30:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:30:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:30:20,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:30:20,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:30:20,531 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:30:20,533 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:30:20,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:30:20,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:30:20,534 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 4 states. [2019-10-03 02:30:20,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:30:20,633 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2019-10-03 02:30:20,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:30:20,633 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-10-03 02:30:20,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:30:20,634 INFO L225 Difference]: With dead ends: 30 [2019-10-03 02:30:20,634 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:30:20,635 INFO L640 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 [2019-10-03 02:30:20,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:30:20,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:30:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:30:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:30:20,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-03 02:30:20,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:30:20,637 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:30:20,637 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:30:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:30:20,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:30:20,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:30:20 BoogieIcfgContainer [2019-10-03 02:30:20,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:30:20,647 INFO L168 Benchmark]: Toolchain (without parser) took 2594.90 ms. Allocated memory was 140.5 MB in the beginning and 227.0 MB in the end (delta: 86.5 MB). Free memory was 86.8 MB in the beginning and 191.6 MB in the end (delta: -104.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:30:20,648 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:30:20,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 876.16 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 162.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:30:20,650 INFO L168 Benchmark]: Boogie Preprocessor took 93.71 ms. Allocated memory is still 200.8 MB. Free memory was 162.9 MB in the beginning and 159.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:30:20,651 INFO L168 Benchmark]: RCFGBuilder took 905.37 ms. Allocated memory is still 200.8 MB. Free memory was 159.9 MB in the beginning and 110.9 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:30:20,652 INFO L168 Benchmark]: TraceAbstraction took 713.42 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 110.3 MB in the beginning and 191.6 MB in the end (delta: -81.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:30:20,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 876.16 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 162.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.71 ms. Allocated memory is still 200.8 MB. Free memory was 162.9 MB in the beginning and 159.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 905.37 ms. Allocated memory is still 200.8 MB. Free memory was 159.9 MB in the beginning and 110.9 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 713.42 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 110.3 MB in the beginning and 191.6 MB in the end (delta: -81.4 MB). There was no memory consumed. 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, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s 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...