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-Overflow-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann04_true-unreach-call_true-no-overflow.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6070b07 [2018-09-23 11:37:23,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 11:37:23,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 11:37:23,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 11:37:23,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 11:37:23,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 11:37:23,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 11:37:23,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 11:37:23,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 11:37:23,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 11:37:23,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 11:37:23,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 11:37:23,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 11:37:23,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 11:37:23,848 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 11:37:23,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 11:37:23,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 11:37:23,854 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 11:37:23,855 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 11:37:23,867 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 11:37:23,867 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 11:37:23,868 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 11:37:23,879 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-23 11:37:23,894 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 11:37:23,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 11:37:23,895 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 11:37:23,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 11:37:23,896 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 [2018-09-23 11:37:23,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 11:37:23,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 11:37:23,936 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 11:37:23,936 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 11:37:23,936 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 11:37:23,937 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 11:37:23,937 INFO L133 SettingsManager]: * Use SBE=true [2018-09-23 11:37:23,937 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 11:37:23,937 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 11:37:23,937 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-09-23 11:37:23,937 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 11:37:23,937 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 11:37:23,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 11:37:23,938 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 11:37:23,938 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 11:37:23,938 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 11:37:23,938 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-09-23 11:37:23,938 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 11:37:23,938 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 11:37:23,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 11:37:23,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 11:37:23,944 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-23 11:37:23,944 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 11:37:23,944 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-23 11:37:23,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 11:37:23,944 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 11:37:23,944 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 11:37:23,945 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 11:37:23,945 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-23 11:37:23,945 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 11:37:23,945 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 11:37:23,945 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 11:37:24,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 11:37:24,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 11:37:24,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 11:37:24,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-23 11:37:24,082 INFO L276 PluginConnector]: CDTParser initialized [2018-09-23 11:37:24,082 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann04_true-unreach-call_true-no-overflow.c [2018-09-23 11:37:24,578 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77a1ccfc/529bea15159b40dabb8b4c0e9bceb9c8/FLAG622535c10 [2018-09-23 11:37:24,883 INFO L277 CDTParser]: Found 1 translation units. [2018-09-23 11:37:24,884 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann04_true-unreach-call_true-no-overflow.c [2018-09-23 11:37:24,900 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77a1ccfc/529bea15159b40dabb8b4c0e9bceb9c8/FLAG622535c10 [2018-09-23 11:37:24,929 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77a1ccfc/529bea15159b40dabb8b4c0e9bceb9c8 [2018-09-23 11:37:24,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 11:37:24,955 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-23 11:37:24,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-23 11:37:24,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-23 11:37:24,969 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-23 11:37:24,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:37:24" (1/1) ... [2018-09-23 11:37:24,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674df799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:37:24, skipping insertion in model container [2018-09-23 11:37:24,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:37:24" (1/1) ... [2018-09-23 11:37:24,998 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-23 11:37:25,337 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-23 11:37:25,366 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-23 11:37:25,384 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-23 11:37:25,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:37:25 WrapperNode [2018-09-23 11:37:25,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-23 11:37:25,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 11:37:25,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 11:37:25,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 11:37:25,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:37:25" (1/1) ... [2018-09-23 11:37:25,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:37:25" (1/1) ... [2018-09-23 11:37:25,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:37:25" (1/1) ... [2018-09-23 11:37:25,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:37:25" (1/1) ... [2018-09-23 11:37:25,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:37:25" (1/1) ... [2018-09-23 11:37:25,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:37:25" (1/1) ... [2018-09-23 11:37:25,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:37:25" (1/1) ... [2018-09-23 11:37:25,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 11:37:25,493 INFO L168 Benchmark]: Toolchain (without parser) took 545.73 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. [2018-09-23 11:37:25,496 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-09-23 11:37:25,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.50 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. [2018-09-23 11:37:25,503 INFO L168 Benchmark]: Boogie Preprocessor took 66.64 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. [2018-09-23 11:37:25,506 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 0.17 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 460.50 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 66.64 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...