java -Xmx2000000000 -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-Termination-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/termination-memory-alloca/twisted-alloca_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c0429a7 [2018-09-07 17:00:36,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-07 17:00:36,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-07 17:00:36,093 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-07 17:00:36,094 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-07 17:00:36,095 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-07 17:00:36,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-07 17:00:36,105 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-07 17:00:36,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-07 17:00:36,114 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-07 17:00:36,115 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-07 17:00:36,115 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-07 17:00:36,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-07 17:00:36,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-07 17:00:36,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-07 17:00:36,132 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-07 17:00:36,133 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-07 17:00:36,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-07 17:00:36,148 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-07 17:00:36,155 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-07 17:00:36,156 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-07 17:00:36,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-07 17:00:36,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-07 17:00:36,168 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-07 17:00:36,174 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-07 17:00:36,176 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-07 17:00:36,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-07 17:00:36,178 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-07 17:00:36,182 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-07 17:00:36,186 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-07 17:00:36,186 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-07 17:00:36,190 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-07 17:00:36,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-07 17:00:36,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-07 17:00:36,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-07 17:00:36,198 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-07 17:00:36,198 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-64bit-Automizer_Default.epf [2018-09-07 17:00:36,249 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-07 17:00:36,250 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-07 17:00:36,256 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-07 17:00:36,256 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-07 17:00:36,259 INFO L133 SettingsManager]: * Use SBE=true [2018-09-07 17:00:36,259 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-09-07 17:00:36,259 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-09-07 17:00:36,260 INFO L133 SettingsManager]: * Use old map elimination=false [2018-09-07 17:00:36,260 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-09-07 17:00:36,260 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-09-07 17:00:36,260 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-09-07 17:00:36,264 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-07 17:00:36,264 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-09-07 17:00:36,264 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-07 17:00:36,264 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-07 17:00:36,264 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-09-07 17:00:36,265 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-09-07 17:00:36,265 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-09-07 17:00:36,265 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-07 17:00:36,265 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-09-07 17:00:36,265 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-09-07 17:00:36,266 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-07 17:00:36,266 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-07 17:00:36,266 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-09-07 17:00:36,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-07 17:00:36,270 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-07 17:00:36,271 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-09-07 17:00:36,272 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-09-07 17:00:36,273 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2018-09-07 17:00:36,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-07 17:00:36,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-07 17:00:36,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-07 17:00:36,442 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-07 17:00:36,442 INFO L276 PluginConnector]: CDTParser initialized [2018-09-07 17:00:36,443 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-memory-alloca/twisted-alloca_true-termination.c.i [2018-09-07 17:00:37,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e54b716/c427ab78bd334125801226e09ab26b62/FLAGfeb85b015 [2018-09-07 17:00:37,782 INFO L276 CDTParser]: Found 1 translation units. [2018-09-07 17:00:37,786 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-memory-alloca/twisted-alloca_true-termination.c.i [2018-09-07 17:00:37,851 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e54b716/c427ab78bd334125801226e09ab26b62/FLAGfeb85b015 [2018-09-07 17:00:37,894 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e54b716/c427ab78bd334125801226e09ab26b62 [2018-09-07 17:00:37,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-07 17:00:37,917 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-07 17:00:37,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-07 17:00:37,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-07 17:00:37,936 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-07 17:00:37,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:00:37" (1/1) ... [2018-09-07 17:00:37,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc92d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:00:37, skipping insertion in model container [2018-09-07 17:00:37,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:00:37" (1/1) ... [2018-09-07 17:00:38,410 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-07 17:00:38,633 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-07 17:00:38,696 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-07 17:00:38,794 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-07 17:00:38,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:00:38 WrapperNode [2018-09-07 17:00:38,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-07 17:00:38,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-07 17:00:38,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-07 17:00:38,946 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-07 17:00:38,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:00:38" (1/1) ... [2018-09-07 17:00:38,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:00:38" (1/1) ... [2018-09-07 17:00:39,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:00:38" (1/1) ... [2018-09-07 17:00:39,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:00:38" (1/1) ... [2018-09-07 17:00:39,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:00:38" (1/1) ... [2018-09-07 17:00:39,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:00:38" (1/1) ... [2018-09-07 17:00:39,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:00:38" (1/1) ... [2018-09-07 17:00:39,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-07 17:00:39,103 INFO L168 Benchmark]: Toolchain (without parser) took 1190.26 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 1.9 GB. [2018-09-07 17:00:39,113 INFO L168 Benchmark]: CDTParser took 2.41 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. [2018-09-07 17:00:39,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1026.46 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 1.9 GB. [2018-09-07 17:00:39,115 INFO L168 Benchmark]: Boogie Preprocessor took 152.71 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-09-07 17:00:39,125 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.41 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 1026.46 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 152.71 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 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...