java -ea -Xmx4000000000 -Xss4m -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-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann01_true-unreach-call_true-no-overflow.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3d9d321 [2018-11-26 20:15:49,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-26 20:15:49,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-26 20:15:49,806 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-26 20:15:49,806 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-26 20:15:49,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-26 20:15:49,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-26 20:15:49,819 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-26 20:15:49,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-26 20:15:49,826 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-26 20:15:49,837 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-26 20:15:49,838 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-26 20:15:49,839 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-26 20:15:49,846 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-26 20:15:49,851 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-26 20:15:49,852 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-26 20:15:49,853 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-26 20:15:49,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-26 20:15:49,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-26 20:15:49,873 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-26 20:15:49,874 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-26 20:15:49,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-26 20:15:49,889 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-26 20:15:49,909 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-26 20:15:49,910 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-26 20:15:49,914 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-26 20:15:49,915 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-26 20:15:49,915 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 [2018-11-26 20:15:49,960 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-26 20:15:49,961 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-26 20:15:49,964 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-26 20:15:49,965 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-26 20:15:49,966 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-26 20:15:49,966 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-26 20:15:49,966 INFO L133 SettingsManager]: * Use SBE=true [2018-11-26 20:15:49,970 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-26 20:15:49,970 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-26 20:15:49,970 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-26 20:15:49,971 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-26 20:15:49,971 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-26 20:15:49,971 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-26 20:15:49,971 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-26 20:15:49,971 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-26 20:15:49,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-26 20:15:49,975 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-26 20:15:49,975 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-26 20:15:49,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-26 20:15:49,976 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-26 20:15:49,976 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-26 20:15:49,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-26 20:15:49,976 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-26 20:15:49,977 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-26 20:15:49,977 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-26 20:15:49,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-26 20:15:49,977 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-26 20:15:49,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-26 20:15:49,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-26 20:15:49,981 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-26 20:15:49,981 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-26 20:15:49,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-26 20:15:49,982 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-26 20:15:50,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-26 20:15:50,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-26 20:15:50,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-26 20:15:50,126 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-26 20:15:50,127 INFO L276 PluginConnector]: CDTParser initialized [2018-11-26 20:15:50,127 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann01_true-unreach-call_true-no-overflow.c [2018-11-26 20:15:50,281 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da883e76f/cc8efa855885455cadb15579892ea586/FLAGd479ebae2 [2018-11-26 20:15:51,329 INFO L307 CDTParser]: Found 1 translation units. [2018-11-26 20:15:51,332 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann01_true-unreach-call_true-no-overflow.c [2018-11-26 20:15:51,347 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da883e76f/cc8efa855885455cadb15579892ea586/FLAGd479ebae2 [2018-11-26 20:15:51,492 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da883e76f/cc8efa855885455cadb15579892ea586 [2018-11-26 20:15:51,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-26 20:15:51,506 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-26 20:15:51,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-26 20:15:51,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-26 20:15:51,527 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-26 20:15:51,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:15:51" (1/1) ... [2018-11-26 20:15:51,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9f258b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:15:51, skipping insertion in model container [2018-11-26 20:15:51,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:15:51" (1/1) ... [2018-11-26 20:15:51,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-26 20:15:51,600 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-26 20:15:52,017 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-26 20:15:52,029 INFO L191 MainTranslator]: Completed pre-run [2018-11-26 20:15:52,087 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-26 20:15:52,127 INFO L195 MainTranslator]: Completed translation [2018-11-26 20:15:52,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:15:52 WrapperNode [2018-11-26 20:15:52,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-26 20:15:52,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-26 20:15:52,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-26 20:15:52,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-26 20:15:52,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:15:52" (1/1) ... [2018-11-26 20:15:52,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:15:52" (1/1) ... [2018-11-26 20:15:52,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:15:52" (1/1) ... [2018-11-26 20:15:52,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:15:52" (1/1) ... [2018-11-26 20:15:52,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:15:52" (1/1) ... [2018-11-26 20:15:52,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:15:52" (1/1) ... [2018-11-26 20:15:52,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:15:52" (1/1) ... [2018-11-26 20:15:52,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-26 20:15:52,228 INFO L168 Benchmark]: Toolchain (without parser) took 719.76 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. [2018-11-26 20:15:52,233 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-26 20:15:52,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.69 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. [2018-11-26 20:15:52,238 INFO L168 Benchmark]: Boogie Preprocessor took 87.77 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. [2018-11-26 20:15:52,249 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 0.18 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 619.69 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 87.77 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...