java -ea -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/loop-invgen/string_concat-noarr_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-985f63f [2018-10-11 18:58:36,938 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-11 18:58:36,944 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-11 18:58:36,965 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-11 18:58:36,965 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-11 18:58:36,966 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-11 18:58:36,967 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-11 18:58:36,974 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-11 18:58:36,977 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-11 18:58:36,978 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-11 18:58:36,987 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-11 18:58:36,987 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-11 18:58:36,988 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-11 18:58:36,992 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-11 18:58:36,993 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-11 18:58:36,993 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-11 18:58:36,994 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-11 18:58:37,001 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-11 18:58:37,003 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-11 18:58:37,008 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-11 18:58:37,009 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-11 18:58:37,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-11 18:58:37,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-11 18:58:37,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-11 18:58:37,015 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-11 18:58:37,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-11 18:58:37,016 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-11 18:58:37,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-11 18:58:37,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-11 18:58:37,027 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-11 18:58:37,028 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-11 18:58:37,028 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-11 18:58:37,028 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-11 18:58:37,028 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-11 18:58:37,030 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-11 18:58:37,034 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-11 18:58:37,034 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 [2018-10-11 18:58:37,069 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-11 18:58:37,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-11 18:58:37,071 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-11 18:58:37,071 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-11 18:58:37,071 INFO L133 SettingsManager]: * Use SBE=true [2018-10-11 18:58:37,071 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-11 18:58:37,071 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-11 18:58:37,071 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-11 18:58:37,077 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-11 18:58:37,077 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-11 18:58:37,077 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-11 18:58:37,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-11 18:58:37,077 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-11 18:58:37,077 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-11 18:58:37,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-11 18:58:37,079 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-11 18:58:37,079 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-11 18:58:37,079 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-11 18:58:37,079 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-11 18:58:37,079 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-11 18:58:37,079 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-11 18:58:37,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-11 18:58:37,080 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-11 18:58:37,080 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-11 18:58:37,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-11 18:58:37,080 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-11 18:58:37,080 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-11 18:58:37,081 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-11 18:58:37,081 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2018-10-11 18:58:37,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-11 18:58:37,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-11 18:58:37,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-11 18:58:37,216 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-11 18:58:37,216 INFO L276 PluginConnector]: CDTParser initialized [2018-10-11 18:58:37,217 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/string_concat-noarr_true-unreach-call_true-termination.i [2018-10-11 18:58:37,281 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22e52020/f799cc80f41943e280792fe0eb8db34f/FLAGa1a975077 [2018-10-11 18:58:37,903 INFO L298 CDTParser]: Found 1 translation units. [2018-10-11 18:58:37,903 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/string_concat-noarr_true-unreach-call_true-termination.i [2018-10-11 18:58:37,909 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22e52020/f799cc80f41943e280792fe0eb8db34f/FLAGa1a975077 [2018-10-11 18:58:37,930 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22e52020/f799cc80f41943e280792fe0eb8db34f [2018-10-11 18:58:37,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-11 18:58:37,945 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-11 18:58:37,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-11 18:58:37,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-11 18:58:37,957 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-11 18:58:37,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:58:37" (1/1) ... [2018-10-11 18:58:37,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5254dc7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:58:37, skipping insertion in model container [2018-10-11 18:58:37,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:58:37" (1/1) ... [2018-10-11 18:58:37,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-11 18:58:38,022 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-11 18:58:38,320 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-11 18:58:38,327 INFO L189 MainTranslator]: Completed pre-run [2018-10-11 18:58:38,361 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-11 18:58:38,384 INFO L193 MainTranslator]: Completed translation [2018-10-11 18:58:38,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:58:38 WrapperNode [2018-10-11 18:58:38,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-11 18:58:38,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-11 18:58:38,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-11 18:58:38,391 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-11 18:58:38,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:58:38" (1/1) ... [2018-10-11 18:58:38,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:58:38" (1/1) ... [2018-10-11 18:58:38,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:58:38" (1/1) ... [2018-10-11 18:58:38,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:58:38" (1/1) ... [2018-10-11 18:58:38,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:58:38" (1/1) ... [2018-10-11 18:58:38,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:58:38" (1/1) ... [2018-10-11 18:58:38,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:58:38" (1/1) ... [2018-10-11 18:58:38,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-11 18:58:38,446 INFO L168 Benchmark]: Toolchain (without parser) took 502.02 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-10-11 18:58:38,448 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-11 18:58:38,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.88 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-10-11 18:58:38,449 INFO L168 Benchmark]: Boogie Preprocessor took 53.48 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. [2018-10-11 18:58:38,456 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 0.20 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 443.88 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 53.48 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...