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 0.1.23-107d8f3-m [2018-09-13 18:45:42,271 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-13 18:45:42,277 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-13 18:45:42,308 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-13 18:45:42,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-13 18:45:42,310 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-13 18:45:42,318 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-13 18:45:42,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-13 18:45:42,325 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-13 18:45:42,331 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-13 18:45:42,332 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-13 18:45:42,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-13 18:45:42,338 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-13 18:45:42,344 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-13 18:45:42,353 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-13 18:45:42,354 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-13 18:45:42,363 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-13 18:45:42,368 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-13 18:45:42,374 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-13 18:45:42,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-13 18:45:42,382 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-13 18:45:42,385 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-13 18:45:42,391 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-13 18:45:42,396 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-13 18:45:42,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-13 18:45:42,398 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-13 18:45:42,403 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-13 18:45:42,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-13 18:45:42,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-13 18:45:42,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-13 18:45:42,417 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-13 18:45:42,418 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-13 18:45:42,418 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-13 18:45:42,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-13 18:45:42,419 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-13 18:45:42,426 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-13 18:45:42,426 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 18:45:42,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-13 18:45:42,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-13 18:45:42,484 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-13 18:45:42,485 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-13 18:45:42,488 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-13 18:45:42,489 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-13 18:45:42,489 INFO L133 SettingsManager]: * Use SBE=true [2018-09-13 18:45:42,489 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-13 18:45:42,490 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-13 18:45:42,490 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-09-13 18:45:42,490 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-13 18:45:42,490 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-13 18:45:42,490 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-13 18:45:42,491 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-13 18:45:42,491 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-13 18:45:42,491 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-13 18:45:42,491 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-09-13 18:45:42,497 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-13 18:45:42,497 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-13 18:45:42,497 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-13 18:45:42,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-13 18:45:42,498 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-13 18:45:42,498 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-13 18:45:42,498 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-13 18:45:42,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-13 18:45:42,499 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-13 18:45:42,499 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-13 18:45:42,499 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-13 18:45:42,501 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-13 18:45:42,502 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-13 18:45:42,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-13 18:45:42,502 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-13 18:45:42,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-13 18:45:42,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-13 18:45:42,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-13 18:45:42,668 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-13 18:45:42,669 INFO L276 PluginConnector]: CDTParser initialized [2018-09-13 18:45:42,674 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann04_true-unreach-call_true-no-overflow.c [2018-09-13 18:45:43,361 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05bac0031/881f6740cdc54043a8743ff03dee556a/FLAGcde7b640d [2018-09-13 18:45:43,824 INFO L277 CDTParser]: Found 1 translation units. [2018-09-13 18:45:43,827 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann04_true-unreach-call_true-no-overflow.c [2018-09-13 18:45:43,838 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05bac0031/881f6740cdc54043a8743ff03dee556a/FLAGcde7b640d [2018-09-13 18:45:43,878 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05bac0031/881f6740cdc54043a8743ff03dee556a [2018-09-13 18:45:43,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-13 18:45:43,918 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-13 18:45:43,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-13 18:45:43,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-13 18:45:43,936 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-13 18:45:43,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 06:45:43" (1/1) ... [2018-09-13 18:45:43,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f448d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:45:43, skipping insertion in model container [2018-09-13 18:45:43,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 06:45:43" (1/1) ... [2018-09-13 18:45:44,394 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-13 18:45:44,481 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-13 18:45:44,517 INFO L423 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-13 18:45:44,532 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-13 18:45:44,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:45:44 WrapperNode [2018-09-13 18:45:44,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-13 18:45:44,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-13 18:45:44,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-13 18:45:44,582 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-13 18:45:44,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:45:44" (1/1) ... [2018-09-13 18:45:44,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:45:44" (1/1) ... [2018-09-13 18:45:44,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:45:44" (1/1) ... [2018-09-13 18:45:44,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:45:44" (1/1) ... [2018-09-13 18:45:44,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:45:44" (1/1) ... [2018-09-13 18:45:44,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:45:44" (1/1) ... [2018-09-13 18:45:44,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:45:44" (1/1) ... [2018-09-13 18:45:44,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-13 18:45:44,679 INFO L168 Benchmark]: Toolchain (without parser) took 770.37 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. [2018-09-13 18:45:44,684 INFO L168 Benchmark]: CDTParser took 0.38 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 18:45:44,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.28 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. [2018-09-13 18:45:44,692 INFO L168 Benchmark]: Boogie Preprocessor took 92.50 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. [2018-09-13 18:45:44,695 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 0.38 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 661.28 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 92.50 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...