java -ea -Xmx4000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_2b_true-no-overflow_false-termination_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-38cac3e [2018-11-27 08:43:38,796 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-27 08:43:38,798 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-27 08:43:38,833 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-27 08:43:38,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-27 08:43:38,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-27 08:43:38,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-27 08:43:38,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-27 08:43:38,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-27 08:43:38,854 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-27 08:43:38,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-27 08:43:38,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-27 08:43:38,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-27 08:43:38,864 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-27 08:43:38,876 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-27 08:43:38,877 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-27 08:43:38,883 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-27 08:43:38,891 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-27 08:43:38,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-27 08:43:38,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-27 08:43:38,903 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-27 08:43:38,908 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-27 08:43:38,917 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-27 08:43:38,917 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-27 08:43:38,918 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-27 08:43:38,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-27 08:43:38,925 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-27 08:43:38,928 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-27 08:43:38,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-27 08:43:38,930 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-27 08:43:38,930 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-27 08:43:38,936 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-27 08:43:38,939 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-27 08:43:38,939 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-27 08:43:38,943 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-27 08:43:38,944 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-27 08:43:38,944 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 [2018-11-27 08:43:38,989 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-27 08:43:38,989 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-27 08:43:38,990 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-27 08:43:38,997 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-27 08:43:39,000 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-27 08:43:39,000 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-27 08:43:39,000 INFO L133 SettingsManager]: * Use SBE=true [2018-11-27 08:43:39,001 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-27 08:43:39,001 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-27 08:43:39,001 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-27 08:43:39,001 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-27 08:43:39,001 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-27 08:43:39,002 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-27 08:43:39,002 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-27 08:43:39,002 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-27 08:43:39,002 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-27 08:43:39,002 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-27 08:43:39,003 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-27 08:43:39,008 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-27 08:43:39,008 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-27 08:43:39,008 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-27 08:43:39,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-27 08:43:39,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-27 08:43:39,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-27 08:43:39,009 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-27 08:43:39,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-27 08:43:39,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-27 08:43:39,010 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-27 08:43:39,010 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-27 08:43:39,014 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-27 08:43:39,014 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-27 08:43:39,014 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-27 08:43:39,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-27 08:43:39,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-27 08:43:39,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-27 08:43:39,154 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-27 08:43:39,158 INFO L276 PluginConnector]: CDTParser initialized [2018-11-27 08:43:39,159 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_2b_true-no-overflow_false-termination_true-valid-memsafety.c [2018-11-27 08:43:39,301 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ea638ba5/d655ccb3cfe8427e9b51c3e32378d248/FLAGc85e7f8a5 [2018-11-27 08:43:40,357 INFO L307 CDTParser]: Found 1 translation units. [2018-11-27 08:43:40,358 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-crafted/NestedRecursion_2b_true-no-overflow_false-termination_true-valid-memsafety.c [2018-11-27 08:43:40,381 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ea638ba5/d655ccb3cfe8427e9b51c3e32378d248/FLAGc85e7f8a5 [2018-11-27 08:43:40,423 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ea638ba5/d655ccb3cfe8427e9b51c3e32378d248 [2018-11-27 08:43:40,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-27 08:43:40,451 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-27 08:43:40,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-27 08:43:40,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-27 08:43:40,466 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-27 08:43:40,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b99c6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40, skipping insertion in model container [2018-11-27 08:43:40,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-27 08:43:40,543 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-27 08:43:40,982 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-27 08:43:41,000 INFO L191 MainTranslator]: Completed pre-run [2018-11-27 08:43:41,044 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-27 08:43:41,086 INFO L195 MainTranslator]: Completed translation [2018-11-27 08:43:41,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:41 WrapperNode [2018-11-27 08:43:41,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-27 08:43:41,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-27 08:43:41,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-27 08:43:41,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-27 08:43:41,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:41" (1/1) ... [2018-11-27 08:43:41,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:41" (1/1) ... [2018-11-27 08:43:41,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:41" (1/1) ... [2018-11-27 08:43:41,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:41" (1/1) ... [2018-11-27 08:43:41,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:41" (1/1) ... [2018-11-27 08:43:41,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:41" (1/1) ... [2018-11-27 08:43:41,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:41" (1/1) ... [2018-11-27 08:43:41,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-27 08:43:41,194 INFO L168 Benchmark]: Toolchain (without parser) took 743.98 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. [2018-11-27 08:43:41,198 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-27 08:43:41,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.92 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. [2018-11-27 08:43:41,208 INFO L168 Benchmark]: Boogie Preprocessor took 99.12 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. [2018-11-27 08:43:41,217 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 0.22 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 633.92 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 99.12 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...