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-Overflow-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann01_true-unreach-call_true-no-overflow.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-f723e60 [2018-10-26 17:53:31,728 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 17:53:31,734 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 17:53:31,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 17:53:31,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 17:53:31,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 17:53:31,778 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 17:53:31,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 17:53:31,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 17:53:31,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 17:53:31,795 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 17:53:31,795 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 17:53:31,796 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 17:53:31,801 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 17:53:31,811 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 17:53:31,812 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 17:53:31,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 17:53:31,821 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 17:53:31,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 17:53:31,838 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 17:53:31,841 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 17:53:31,843 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 17:53:31,851 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 17:53:31,851 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 17:53:31,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 17:53:31,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 17:53:31,860 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 17:53:31,861 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 17:53:31,865 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 17:53:31,867 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 17:53:31,868 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 17:53:31,869 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 17:53:31,869 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 17:53:31,869 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 17:53:31,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 17:53:31,878 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 17:53:31,879 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2018-10-26 17:53:31,921 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 17:53:31,921 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 17:53:31,923 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 17:53:31,924 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 17:53:31,927 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 17:53:31,927 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 17:53:31,927 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 17:53:31,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 17:53:31,928 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 17:53:31,928 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-26 17:53:31,928 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 17:53:31,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 17:53:31,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 17:53:31,929 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 17:53:31,929 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 17:53:31,929 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 17:53:31,929 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-26 17:53:31,929 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 17:53:31,930 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 17:53:31,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 17:53:31,935 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 17:53:31,936 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 17:53:31,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 17:53:31,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 17:53:31,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 17:53:31,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 17:53:31,940 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 17:53:31,940 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 17:53:31,941 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 17:53:31,941 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 17:53:31,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 17:53:31,941 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 17:53:32,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 17:53:32,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 17:53:32,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 17:53:32,114 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 17:53:32,115 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 17:53:32,118 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann01_true-unreach-call_true-no-overflow.c [2018-10-26 17:53:32,290 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb25b40a/ccbe0c494f6b4f6ba9d9d4c498f80984/FLAGd1592d74e [2018-10-26 17:53:33,326 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 17:53:33,327 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann01_true-unreach-call_true-no-overflow.c [2018-10-26 17:53:33,349 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb25b40a/ccbe0c494f6b4f6ba9d9d4c498f80984/FLAGd1592d74e [2018-10-26 17:53:33,382 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb25b40a/ccbe0c494f6b4f6ba9d9d4c498f80984 [2018-10-26 17:53:33,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 17:53:33,416 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-26 17:53:33,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 17:53:33,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 17:53:33,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 17:53:33,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:53:33" (1/1) ... [2018-10-26 17:53:33,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6351e815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:53:33, skipping insertion in model container [2018-10-26 17:53:33,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:53:33" (1/1) ... [2018-10-26 17:53:33,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 17:53:33,523 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 17:53:34,045 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 17:53:34,061 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 17:53:34,115 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 17:53:34,155 INFO L193 MainTranslator]: Completed translation [2018-10-26 17:53:34,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:53:34 WrapperNode [2018-10-26 17:53:34,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 17:53:34,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 17:53:34,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 17:53:34,157 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 17:53:34,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:53:34" (1/1) ... [2018-10-26 17:53:34,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:53:34" (1/1) ... [2018-10-26 17:53:34,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:53:34" (1/1) ... [2018-10-26 17:53:34,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:53:34" (1/1) ... [2018-10-26 17:53:34,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:53:34" (1/1) ... [2018-10-26 17:53:34,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:53:34" (1/1) ... [2018-10-26 17:53:34,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:53:34" (1/1) ... [2018-10-26 17:53:34,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 17:53:34,241 INFO L168 Benchmark]: Toolchain (without parser) took 826.30 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. [2018-10-26 17:53:34,244 INFO L168 Benchmark]: CDTParser took 4.10 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. [2018-10-26 17:53:34,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.65 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. [2018-10-26 17:53:34,248 INFO L168 Benchmark]: Boogie Preprocessor took 82.40 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. [2018-10-26 17:53:34,253 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 4.10 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 737.65 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 82.40 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...