java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/forester-heap/sll-token-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:01:15,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:01:15,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:01:15,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:01:15,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:01:15,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:01:15,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:01:15,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:01:15,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:01:15,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:01:15,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:01:15,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:01:15,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:01:15,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:01:15,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:01:15,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:01:15,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:01:15,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:01:15,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:01:15,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:01:15,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:01:15,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:01:15,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:01:15,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:01:15,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:01:15,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:01:15,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:01:15,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:01:15,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:01:15,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:01:15,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:01:15,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:01:15,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:01:15,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:01:15,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:01:15,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:01:15,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:01:15,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:01:15,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:01:15,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:01:15,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:01:15,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 09:01:15,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:01:15,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:01:15,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:01:15,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:01:15,122 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:01:15,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:01:15,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:01:15,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:01:15,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:01:15,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:01:15,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:01:15,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:01:15,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:01:15,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:01:15,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:01:15,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:01:15,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:01:15,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:01:15,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:01:15,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:01:15,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:01:15,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:01:15,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:01:15,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:01:15,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:01:15,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:01:15,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:01:15,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:01:15,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 09:01:15,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:01:15,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:01:15,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:01:15,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:01:15,178 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:01:15,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-token-2.i [2019-09-06 09:01:15,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c7f23b4/55c19f2da7dd4221b31c116d7748ae8c/FLAG83c5139d5 [2019-09-06 09:01:15,727 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:01:15,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i [2019-09-06 09:01:15,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c7f23b4/55c19f2da7dd4221b31c116d7748ae8c/FLAG83c5139d5 [2019-09-06 09:01:16,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c7f23b4/55c19f2da7dd4221b31c116d7748ae8c [2019-09-06 09:01:16,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:01:16,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:01:16,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:01:16,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:01:16,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:01:16,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:01:16" (1/1) ... [2019-09-06 09:01:16,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9ff876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16, skipping insertion in model container [2019-09-06 09:01:16,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:01:16" (1/1) ... [2019-09-06 09:01:16,054 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:01:16,099 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:01:16,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:01:16,627 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:01:16,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:01:16,753 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:01:16,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16 WrapperNode [2019-09-06 09:01:16,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:01:16,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:01:16,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:01:16,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:01:16,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16" (1/1) ... [2019-09-06 09:01:16,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16" (1/1) ... [2019-09-06 09:01:16,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16" (1/1) ... [2019-09-06 09:01:16,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16" (1/1) ... [2019-09-06 09:01:16,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16" (1/1) ... [2019-09-06 09:01:16,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16" (1/1) ... [2019-09-06 09:01:16,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16" (1/1) ... [2019-09-06 09:01:16,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:01:16,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:01:16,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:01:16,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:01:16,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:01:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:01:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:01:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:01:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 09:01:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 09:01:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 09:01:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 09:01:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 09:01:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 09:01:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 09:01:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 09:01:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 09:01:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 09:01:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 09:01:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 09:01:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 09:01:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 09:01:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 09:01:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 09:01:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 09:01:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 09:01:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 09:01:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 09:01:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 09:01:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 09:01:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 09:01:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 09:01:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 09:01:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 09:01:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 09:01:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 09:01:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 09:01:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 09:01:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 09:01:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 09:01:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 09:01:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 09:01:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 09:01:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 09:01:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 09:01:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 09:01:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 09:01:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 09:01:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 09:01:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 09:01:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 09:01:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 09:01:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 09:01:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 09:01:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 09:01:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 09:01:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 09:01:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 09:01:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 09:01:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 09:01:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 09:01:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 09:01:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 09:01:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 09:01:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 09:01:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 09:01:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 09:01:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 09:01:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 09:01:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 09:01:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 09:01:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 09:01:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 09:01:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 09:01:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 09:01:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 09:01:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 09:01:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 09:01:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 09:01:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 09:01:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 09:01:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 09:01:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 09:01:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 09:01:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 09:01:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 09:01:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 09:01:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 09:01:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 09:01:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 09:01:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 09:01:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 09:01:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 09:01:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 09:01:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 09:01:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 09:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 09:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 09:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 09:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 09:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 09:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 09:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 09:01:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 09:01:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 09:01:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 09:01:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 09:01:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 09:01:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 09:01:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 09:01:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 09:01:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:01:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:01:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:01:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 09:01:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 09:01:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 09:01:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 09:01:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 09:01:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:01:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:01:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:01:17,487 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:01:17,487 INFO L283 CfgBuilder]: Removed 15 assume(true) statements. [2019-09-06 09:01:17,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:01:17 BoogieIcfgContainer [2019-09-06 09:01:17,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:01:17,490 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:01:17,490 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:01:17,490 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:01:17,491 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:01:17" (1/1) ... [2019-09-06 09:01:17,492 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 09:01:17,515 INFO L162 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-09-06 09:01:17,516 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:01:17,523 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:01:17,533 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:01:17,535 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:01:17,605 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 09:01:19,944 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:01:19,944 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:01:19,949 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 65#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (<= 0 main_~x~0.offset)) [2019-09-06 09:01:19,950 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 428#true [2019-09-06 09:01:19,950 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 497#true [2019-09-06 09:01:19,950 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 359#true [2019-09-06 09:01:19,951 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2#false [2019-09-06 09:01:19,951 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 274#true [2019-09-06 09:01:19,968 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:01:19,968 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:01:19,970 INFO L168 Benchmark]: Toolchain (without parser) took 3935.70 ms. Allocated memory was 130.5 MB in the beginning and 270.0 MB in the end (delta: 139.5 MB). Free memory was 85.1 MB in the beginning and 200.1 MB in the end (delta: -115.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:19,970 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:01:19,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.91 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 84.9 MB in the beginning and 163.3 MB in the end (delta: -78.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:19,971 INFO L168 Benchmark]: Boogie Preprocessor took 64.85 ms. Allocated memory is still 198.7 MB. Free memory was 163.3 MB in the beginning and 160.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:19,972 INFO L168 Benchmark]: RCFGBuilder took 668.66 ms. Allocated memory is still 198.7 MB. Free memory was 160.0 MB in the beginning and 115.7 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:19,972 INFO L168 Benchmark]: Sifa took 2478.65 ms. Allocated memory was 198.7 MB in the beginning and 270.0 MB in the end (delta: 71.3 MB). Free memory was 115.7 MB in the beginning and 200.1 MB in the end (delta: -84.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 09:01:19,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.91 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 84.9 MB in the beginning and 163.3 MB in the end (delta: -78.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.85 ms. Allocated memory is still 198.7 MB. Free memory was 163.3 MB in the beginning and 160.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 668.66 ms. Allocated memory is still 198.7 MB. Free memory was 160.0 MB in the beginning and 115.7 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * Sifa took 2478.65 ms. Allocated memory was 198.7 MB in the beginning and 270.0 MB in the end (delta: 71.3 MB). Free memory was 115.7 MB in the beginning and 200.1 MB in the end (delta: -84.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2436, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 402, DAG_INTERPRETER_EARLY_EXITS: 10, TOOLS_POST_APPLICATIONS: 351, TOOLS_POST_TIME[ms]: 2012, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 1978, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 443, FLUID_YES_ANSWERS: 6, DOMAIN_JOIN_APPLICATIONS: 132, DOMAIN_JOIN_TIME[ms]: 37, DOMAIN_ALPHA_APPLICATIONS: 6, DOMAIN_ALPHA_TIME[ms]: 1, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 41, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 90, DOMAIN_ISBOTTOM_TIME[ms]: 146, LOOP_SUMMARIZER_APPLICATIONS: 38, LOOP_SUMMARIZER_CACHE_MISSES: 38, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 590, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 589, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 41, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 20, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 75, DAG_COMPRESSION_PROCESSED_NODES: 1394, DAG_COMPRESSION_RETAINED_NODES: 627 - UnprovableResult [Line: 1013]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 65#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (<= 0 main_~x~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1017]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 428#true. Possible FailurePath: - UnprovableResult [Line: 1020]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 497#true. Possible FailurePath: - UnprovableResult [Line: 1022]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 359#true. Possible FailurePath: - PositiveResult [Line: 1005]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 1032]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 274#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...