java -ea -Xmx2000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3204b74 [2018-09-13 16:24:56,917 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-13 16:24:56,922 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-13 16:24:56,979 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-13 16:24:56,981 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-13 16:24:56,983 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-13 16:24:56,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-13 16:24:56,998 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-13 16:24:57,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-13 16:24:57,018 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-13 16:24:57,020 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-13 16:24:57,020 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-13 16:24:57,028 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-13 16:24:57,030 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-13 16:24:57,035 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-13 16:24:57,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-13 16:24:57,054 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-13 16:24:57,064 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-13 16:24:57,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-13 16:24:57,074 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-13 16:24:57,082 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-13 16:24:57,084 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-13 16:24:57,084 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-13 16:24:57,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-13 16:24:57,089 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-13 16:24:57,091 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-13 16:24:57,091 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-13 16:24:57,092 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-09-13 16:24:57,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-13 16:24:57,097 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-13 16:24:57,098 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-13 16:24:57,099 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-09-13 16:24:57,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-13 16:24:57,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-13 16:24:57,149 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-13 16:24:57,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-13 16:24:57,149 INFO L133 SettingsManager]: * Use SBE=true [2018-09-13 16:24:57,151 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-13 16:24:57,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-13 16:24:57,152 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-09-13 16:24:57,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-13 16:24:57,154 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-13 16:24:57,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-13 16:24:57,154 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-09-13 16:24:57,154 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-09-13 16:24:57,155 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-09-13 16:24:57,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-13 16:24:57,155 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-13 16:24:57,155 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-13 16:24:57,158 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-13 16:24:57,159 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-13 16:24:57,159 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-13 16:24:57,159 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-13 16:24:57,160 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-13 16:24:57,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-13 16:24:57,160 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-13 16:24:57,160 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-13 16:24:57,160 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-13 16:24:57,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-13 16:24:57,161 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-13 16:24:57,161 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-13 16:24:57,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-13 16:24:57,321 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-09-13 16:24:57,334 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-09-13 16:24:57,339 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-13 16:24:57,340 INFO L276 PluginConnector]: CDTParser initialized [2018-09-13 16:24:57,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-09-13 16:24:57,646 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-13 16:24:57,654 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-13 16:24:57,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-13 16:24:57,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-13 16:24:57,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-13 16:24:57,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 04:24:57" (1/1) ... [2018-09-13 16:24:57,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6919ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:57, skipping insertion in model container [2018-09-13 16:24:57,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 04:24:57" (1/1) ... [2018-09-13 16:24:57,749 INFO L153 Dispatcher]: Using SV-COMP mode [2018-09-13 16:24:57,802 INFO L153 Dispatcher]: Using SV-COMP mode [2018-09-13 16:24:58,195 INFO L450 PostProcessor]: Settings: Checked method=main [2018-09-13 16:24:58,264 INFO L450 PostProcessor]: Settings: Checked method=main [2018-09-13 16:24:58,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:58 WrapperNode [2018-09-13 16:24:58,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-13 16:24:58,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-13 16:24:58,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-13 16:24:58,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-13 16:24:58,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:58" (1/1) ... [2018-09-13 16:24:58,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:58" (1/1) ... [2018-09-13 16:24:58,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:58" (1/1) ... [2018-09-13 16:24:58,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:58" (1/1) ... [2018-09-13 16:24:58,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:58" (1/1) ... [2018-09-13 16:24:58,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:58" (1/1) ... [2018-09-13 16:24:58,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:58" (1/1) ... [2018-09-13 16:24:58,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-13 16:24:58,433 INFO L168 Benchmark]: Toolchain (without parser) took 786.37 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-09-13 16:24:58,438 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-09-13 16:24:58,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.68 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-09-13 16:24:58,446 INFO L168 Benchmark]: Boogie Preprocessor took 125.83 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-09-13 16:24:58,455 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. * CACSL2BoogieTranslator took 635.68 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 125.83 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...