java -Xmx2000000000 -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-Overflow-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_2a_false-no-overflow.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b3d2c8a [2018-05-08 13:58:13,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-05-08 13:58:13,281 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-05-08 13:58:13,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-05-08 13:58:13,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-05-08 13:58:13,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-05-08 13:58:13,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-05-08 13:58:13,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-05-08 13:58:13,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-05-08 13:58:13,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-05-08 13:58:13,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-05-08 13:58:13,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-05-08 13:58:13,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-05-08 13:58:13,338 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-05-08 13:58:13,339 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-05-08 13:58:13,355 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-05-08 13:58:13,357 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-05-08 13:58:13,368 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-05-08 13:58:13,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-05-08 13:58:13,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-05-08 13:58:13,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-05-08 13:58:13,380 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-05-08 13:58:13,380 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-05-08 13:58:13,381 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-05-08 13:58:13,381 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-05-08 13:58:13,392 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-05-08 13:58:13,392 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-05-08 13:58:13,393 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-05-08 13:58:13,394 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-05-08 13:58:13,394 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-05-08 13:58:13,395 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-05-08 13:58:13,397 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-64bit-Automizer_Default.epf [2018-05-08 13:58:13,434 INFO L110 SettingsManager]: Loading preferences was successful [2018-05-08 13:58:13,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-05-08 13:58:13,441 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-05-08 13:58:13,441 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-05-08 13:58:13,442 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-05-08 13:58:13,442 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-05-08 13:58:13,442 INFO L133 SettingsManager]: * Use SBE=true [2018-05-08 13:58:13,442 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-05-08 13:58:13,443 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-05-08 13:58:13,443 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-05-08 13:58:13,443 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-05-08 13:58:13,443 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-05-08 13:58:13,443 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-05-08 13:58:13,443 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-05-08 13:58:13,444 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-05-08 13:58:13,445 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-05-08 13:58:13,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-05-08 13:58:13,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-05-08 13:58:13,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-05-08 13:58:13,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-05-08 13:58:13,452 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-05-08 13:58:13,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-05-08 13:58:13,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-05-08 13:58:13,452 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-05-08 13:58:13,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-05-08 13:58:13,453 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-05-08 13:58:13,453 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-05-08 13:58:13,453 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-05-08 13:58:13,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-05-08 13:58:13,453 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-05-08 13:58:13,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-05-08 13:58:13,606 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-05-08 13:58:13,622 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-05-08 13:58:13,624 INFO L271 PluginConnector]: Initializing CDTParser... [2018-05-08 13:58:13,625 INFO L276 PluginConnector]: CDTParser initialized [2018-05-08 13:58:13,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_2a_false-no-overflow.c [2018-05-08 13:58:14,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb154638/00ed23bae9304d15ba1d2a7ba9f1057d/FLAG556fe5da0 [2018-05-08 13:58:14,643 INFO L276 CDTParser]: Found 1 translation units. [2018-05-08 13:58:14,644 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/termination-crafted/NestedRecursion_2a_false-no-overflow.c [2018-05-08 13:58:14,659 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb154638/00ed23bae9304d15ba1d2a7ba9f1057d/FLAG556fe5da0 [2018-05-08 13:58:14,700 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb154638/00ed23bae9304d15ba1d2a7ba9f1057d [2018-05-08 13:58:14,724 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-05-08 13:58:14,732 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-05-08 13:58:14,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-05-08 13:58:14,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-05-08 13:58:14,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-05-08 13:58:14,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 01:58:14" (1/1) ... [2018-05-08 13:58:14,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e4db00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:58:14, skipping insertion in model container [2018-05-08 13:58:14,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 01:58:14" (1/1) ... [2018-05-08 13:58:14,807 INFO L167 Dispatcher]: Using SV-COMP mode [2018-05-08 13:58:14,839 INFO L167 Dispatcher]: Using SV-COMP mode [2018-05-08 13:58:15,110 INFO L175 PostProcessor]: Settings: Checked method=main [2018-05-08 13:58:15,157 INFO L175 PostProcessor]: Settings: Checked method=main [2018-05-08 13:58:15,173 INFO L100 SccComputation]: Graph consists of 1 InCaSumBalls and 4 non ball SCCs. Number of states in SCCs 5. [2018-05-08 13:58:15,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:58:15 WrapperNode [2018-05-08 13:58:15,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-05-08 13:58:15,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-05-08 13:58:15,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-05-08 13:58:15,191 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-05-08 13:58:15,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:58:15" (1/1) ... [2018-05-08 13:58:15,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:58:15" (1/1) ... [2018-05-08 13:58:15,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:58:15" (1/1) ... [2018-05-08 13:58:15,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:58:15" (1/1) ... [2018-05-08 13:58:15,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:58:15" (1/1) ... [2018-05-08 13:58:15,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:58:15" (1/1) ... [2018-05-08 13:58:15,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:58:15" (1/1) ... [2018-05-08 13:58:15,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-05-08 13:58:15,267 INFO L168 Benchmark]: Toolchain (without parser) took 542.49 ms. Allocated memory is still 383.3 MB. Free memory was 329.8 MB in the beginning and 318.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 1.9 GB. [2018-05-08 13:58:15,269 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 383.3 MB. Free memory is still 349.9 MB. There was no memory consumed. Max. memory is 1.9 GB. [2018-05-08 13:58:15,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.51 ms. Allocated memory is still 383.3 MB. Free memory was 329.8 MB in the beginning and 319.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 1.9 GB. [2018-05-08 13:58:15,275 INFO L168 Benchmark]: Boogie Preprocessor took 65.11 ms. Allocated memory is still 383.3 MB. Free memory was 319.9 MB in the beginning and 318.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 1.9 GB. [2018-05-08 13:58:15,288 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 383.3 MB. Free memory is still 349.9 MB. There was no memory consumed. Max. memory is 1.9 GB. * CACSL2BoogieTranslator took 456.51 ms. Allocated memory is still 383.3 MB. Free memory was 329.8 MB in the beginning and 319.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 65.11 ms. Allocated memory is still 383.3 MB. Free memory was 319.9 MB in the beginning and 318.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 1.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...