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-dddd7a2 [2018-10-11 11:17:52,237 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-11 11:17:52,242 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-11 11:17:52,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-11 11:17:52,277 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-11 11:17:52,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-11 11:17:52,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-11 11:17:52,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-11 11:17:52,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-11 11:17:52,296 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-11 11:17:52,299 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-11 11:17:52,299 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-11 11:17:52,300 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-11 11:17:52,310 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-11 11:17:52,318 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-11 11:17:52,321 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-11 11:17:52,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-11 11:17:52,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-11 11:17:52,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-11 11:17:52,341 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-11 11:17:52,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-11 11:17:52,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-11 11:17:52,352 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-11 11:17:52,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-11 11:17:52,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-11 11:17:52,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-11 11:17:52,360 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-11 11:17:52,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-11 11:17:52,371 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-11 11:17:52,372 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-11 11:17:52,373 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-11 11:17:52,374 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-11 11:17:52,374 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-11 11:17:52,376 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-11 11:17:52,377 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-11 11:17:52,381 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-11 11:17:52,382 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 [2018-10-11 11:17:52,428 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-11 11:17:52,429 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-11 11:17:52,431 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-11 11:17:52,432 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-11 11:17:52,438 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-11 11:17:52,438 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-11 11:17:52,438 INFO L133 SettingsManager]: * Use SBE=true [2018-10-11 11:17:52,439 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-11 11:17:52,439 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-11 11:17:52,439 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-11 11:17:52,439 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-11 11:17:52,439 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-11 11:17:52,440 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-11 11:17:52,440 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-11 11:17:52,440 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-11 11:17:52,440 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-11 11:17:52,440 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-11 11:17:52,441 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-11 11:17:52,444 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-11 11:17:52,444 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-11 11:17:52,445 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-11 11:17:52,445 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-11 11:17:52,445 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-11 11:17:52,445 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-11 11:17:52,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-11 11:17:52,446 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-11 11:17:52,446 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-11 11:17:52,446 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-11 11:17:52,446 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-11 11:17:52,446 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-11 11:17:52,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-11 11:17:52,452 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-11 11:17:52,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-11 11:17:52,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-11 11:17:52,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-11 11:17:52,623 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-11 11:17:52,624 INFO L276 PluginConnector]: CDTParser initialized [2018-10-11 11:17:52,625 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann04_true-unreach-call_true-no-overflow.c [2018-10-11 11:17:53,352 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b792c41b9/a7533c83694849a79e3f0061fe0e181e/FLAG9fddf3571 [2018-10-11 11:17:53,786 INFO L289 CDTParser]: Found 1 translation units. [2018-10-11 11:17:53,787 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann04_true-unreach-call_true-no-overflow.c [2018-10-11 11:17:53,804 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b792c41b9/a7533c83694849a79e3f0061fe0e181e/FLAG9fddf3571 [2018-10-11 11:17:53,844 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b792c41b9/a7533c83694849a79e3f0061fe0e181e [2018-10-11 11:17:53,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-11 11:17:53,861 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-11 11:17:53,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-11 11:17:53,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-11 11:17:53,880 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-11 11:17:53,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:17:53" (1/1) ... [2018-10-11 11:17:53,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272cb8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:53, skipping insertion in model container [2018-10-11 11:17:53,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:17:53" (1/1) ... [2018-10-11 11:17:53,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-11 11:17:53,968 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-11 11:17:54,427 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-11 11:17:54,447 INFO L189 MainTranslator]: Completed pre-run [2018-10-11 11:17:54,503 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-11 11:17:54,543 INFO L193 MainTranslator]: Completed translation [2018-10-11 11:17:54,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:54 WrapperNode [2018-10-11 11:17:54,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-11 11:17:54,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-11 11:17:54,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-11 11:17:54,549 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-11 11:17:54,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:54" (1/1) ... [2018-10-11 11:17:54,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:54" (1/1) ... [2018-10-11 11:17:54,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:54" (1/1) ... [2018-10-11 11:17:54,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:54" (1/1) ... [2018-10-11 11:17:54,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:54" (1/1) ... [2018-10-11 11:17:54,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:54" (1/1) ... [2018-10-11 11:17:54,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:54" (1/1) ... [2018-10-11 11:17:54,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-11 11:17:54,650 INFO L168 Benchmark]: Toolchain (without parser) took 790.20 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. [2018-10-11 11:17:54,655 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-11 11:17:54,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.03 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. [2018-10-11 11:17:54,663 INFO L168 Benchmark]: Boogie Preprocessor took 94.57 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. [2018-10-11 11:17:54,669 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 0.22 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 686.03 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 94.57 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...