java -ea -Xmx4000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /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-aa4a323 [2018-11-04 19:56:54,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-04 19:56:54,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-04 19:56:54,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-04 19:56:54,534 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-04 19:56:54,535 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-04 19:56:54,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-04 19:56:54,543 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-04 19:56:54,549 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-04 19:56:54,550 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-04 19:56:54,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-04 19:56:54,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-04 19:56:54,563 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-04 19:56:54,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-04 19:56:54,567 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-04 19:56:54,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-04 19:56:54,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-04 19:56:54,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-04 19:56:54,599 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-04 19:56:54,607 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-04 19:56:54,612 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-04 19:56:54,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-04 19:56:54,626 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-04 19:56:54,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-04 19:56:54,630 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-04 19:56:54,634 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-04 19:56:54,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-04 19:56:54,636 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-04 19:56:54,642 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-04 19:56:54,644 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-04 19:56:54,644 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-04 19:56:54,649 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-04 19:56:54,649 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-04 19:56:54,649 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-04 19:56:54,652 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-04 19:56:54,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-04 19:56:54,654 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 [2018-11-04 19:56:54,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-04 19:56:54,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-04 19:56:54,711 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-04 19:56:54,712 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-04 19:56:54,713 INFO L133 SettingsManager]: * Use SBE=true [2018-11-04 19:56:54,713 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-04 19:56:54,713 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-04 19:56:54,716 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-04 19:56:54,716 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-04 19:56:54,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-04 19:56:54,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-04 19:56:54,717 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-04 19:56:54,717 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-04 19:56:54,717 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-04 19:56:54,717 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-04 19:56:54,718 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-04 19:56:54,718 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-04 19:56:54,718 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-04 19:56:54,718 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-04 19:56:54,718 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-04 19:56:54,722 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-04 19:56:54,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-04 19:56:54,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-04 19:56:54,723 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-04 19:56:54,723 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-04 19:56:54,723 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-04 19:56:54,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-04 19:56:54,724 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-04 19:56:54,724 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-04 19:56:54,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-04 19:56:54,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-04 19:56:54,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-04 19:56:54,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-04 19:56:54,916 INFO L276 PluginConnector]: CDTParser initialized [2018-11-04 19:56:54,917 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-11-04 19:56:55,084 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce893bd86/d52ca4ed2bfa4d6f92492283ea9738ce/FLAGbb239fdd5 [2018-11-04 19:56:56,269 INFO L298 CDTParser]: Found 1 translation units. [2018-11-04 19:56:56,270 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-11-04 19:56:56,296 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce893bd86/d52ca4ed2bfa4d6f92492283ea9738ce/FLAGbb239fdd5 [2018-11-04 19:56:56,344 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce893bd86/d52ca4ed2bfa4d6f92492283ea9738ce [2018-11-04 19:56:56,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-04 19:56:56,382 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-04 19:56:56,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-04 19:56:56,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-04 19:56:56,396 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-04 19:56:56,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 07:56:56" (1/1) ... [2018-11-04 19:56:56,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618fd2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:56:56, skipping insertion in model container [2018-11-04 19:56:56,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 07:56:56" (1/1) ... [2018-11-04 19:56:56,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-04 19:56:56,513 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-04 19:56:57,063 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-04 19:56:57,114 INFO L189 MainTranslator]: Completed pre-run [2018-11-04 19:56:57,177 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-04 19:56:57,205 INFO L193 MainTranslator]: Completed translation [2018-11-04 19:56:57,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:56:57 WrapperNode [2018-11-04 19:56:57,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-04 19:56:57,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-04 19:56:57,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-04 19:56:57,209 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-04 19:56:57,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:56:57" (1/1) ... [2018-11-04 19:56:57,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:56:57" (1/1) ... [2018-11-04 19:56:57,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:56:57" (1/1) ... [2018-11-04 19:56:57,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:56:57" (1/1) ... [2018-11-04 19:56:57,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:56:57" (1/1) ... [2018-11-04 19:56:57,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:56:57" (1/1) ... [2018-11-04 19:56:57,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:56:57" (1/1) ... [2018-11-04 19:56:57,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-04 19:56:57,354 INFO L168 Benchmark]: Toolchain (without parser) took 978.39 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-11-04 19:56:57,360 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-04 19:56:57,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.84 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-11-04 19:56:57,364 INFO L168 Benchmark]: Boogie Preprocessor took 141.89 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-04 19:56:57,379 INFO L336 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 0.28 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. * CACSL2BoogieTranslator took 818.84 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 141.89 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...