java -ea -Xmx2000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data /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 0.1.23-3204b74 [2018-09-13 15:42:25,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-13 15:42:25,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-13 15:42:25,607 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-13 15:42:25,609 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-13 15:42:25,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-13 15:42:25,617 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-13 15:42:25,626 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-13 15:42:25,629 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-13 15:42:25,644 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-13 15:42:25,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-13 15:42:25,646 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-13 15:42:25,653 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-13 15:42:25,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-13 15:42:25,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-13 15:42:25,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-13 15:42:25,688 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-13 15:42:25,692 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-13 15:42:25,699 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-13 15:42:25,710 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-13 15:42:25,716 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-13 15:42:25,717 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-13 15:42:25,717 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-13 15:42:25,722 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-13 15:42:25,732 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-13 15:42:25,734 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-13 15:42:25,734 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-13 15:42:25,735 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-09-13 15:42:25,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-13 15:42:25,736 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-13 15:42:25,737 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-13 15:42:25,737 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 [2018-09-13 15:42:25,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-13 15:42:25,791 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-13 15:42:25,792 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-13 15:42:25,793 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-13 15:42:25,793 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-13 15:42:25,793 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-13 15:42:25,794 INFO L133 SettingsManager]: * Use SBE=true [2018-09-13 15:42:25,794 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-13 15:42:25,794 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-13 15:42:25,799 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-09-13 15:42:25,799 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-13 15:42:25,799 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-13 15:42:25,799 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-13 15:42:25,800 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-13 15:42:25,800 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-13 15:42:25,800 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-13 15:42:25,800 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-09-13 15:42:25,801 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-13 15:42:25,801 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-13 15:42:25,801 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-13 15:42:25,803 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-13 15:42:25,804 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-13 15:42:25,804 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-13 15:42:25,804 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-13 15:42:25,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-13 15:42:25,805 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-13 15:42:25,805 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-13 15:42:25,805 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-13 15:42:25,807 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-13 15:42:25,808 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-13 15:42:25,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-13 15:42:25,810 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-13 15:42:25,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-13 15:42:25,985 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-09-13 15:42:25,998 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-09-13 15:42:26,003 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-13 15:42:26,003 INFO L276 PluginConnector]: CDTParser initialized [2018-09-13 15:42:26,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann01_true-unreach-call_true-no-overflow.c [2018-09-13 15:42:26,308 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-13 15:42:26,312 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-13 15:42:26,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-13 15:42:26,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-13 15:42:26,335 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-13 15:42:26,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 03:42:26" (1/1) ... [2018-09-13 15:42:26,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a36caef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 03:42:26, skipping insertion in model container [2018-09-13 15:42:26,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 03:42:26" (1/1) ... [2018-09-13 15:42:26,407 INFO L153 Dispatcher]: Using SV-COMP mode [2018-09-13 15:42:26,456 INFO L153 Dispatcher]: Using SV-COMP mode [2018-09-13 15:42:26,797 INFO L450 PostProcessor]: Settings: Checked method=main [2018-09-13 15:42:26,845 INFO L450 PostProcessor]: Settings: Checked method=main [2018-09-13 15:42:26,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 03:42:26 WrapperNode [2018-09-13 15:42:26,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-13 15:42:26,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-13 15:42:26,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-13 15:42:26,868 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-13 15:42:26,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 03:42:26" (1/1) ... [2018-09-13 15:42:26,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 03:42:26" (1/1) ... [2018-09-13 15:42:26,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 03:42:26" (1/1) ... [2018-09-13 15:42:26,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 03:42:26" (1/1) ... [2018-09-13 15:42:26,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 03:42:26" (1/1) ... [2018-09-13 15:42:26,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 03:42:26" (1/1) ... [2018-09-13 15:42:26,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 03:42:26" (1/1) ... [2018-09-13 15:42:26,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-13 15:42:26,957 INFO L168 Benchmark]: Toolchain (without parser) took 642.62 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-09-13 15:42:26,963 INFO L168 Benchmark]: CDTParser took 0.99 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. [2018-09-13 15:42:26,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.35 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-09-13 15:42:26,968 INFO L168 Benchmark]: Boogie Preprocessor took 77.99 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. [2018-09-13 15:42:26,978 INFO L344 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 0.99 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 554.35 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 77.99 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...