java -ea -Xmx8000000000 -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-RCFG.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 0.1.23-66639aa [2018-11-20 15:11:43,382 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-20 15:11:43,384 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-20 15:11:43,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-20 15:11:43,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-20 15:11:43,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-20 15:11:43,400 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-20 15:11:43,402 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-20 15:11:43,404 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-20 15:11:43,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-20 15:11:43,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-20 15:11:43,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-20 15:11:43,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-20 15:11:43,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-20 15:11:43,409 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-20 15:11:43,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-20 15:11:43,411 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-20 15:11:43,413 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-20 15:11:43,415 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-20 15:11:43,417 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-20 15:11:43,418 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-20 15:11:43,420 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-20 15:11:43,422 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-20 15:11:43,429 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-20 15:11:43,430 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-20 15:11:43,431 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-20 15:11:43,432 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-20 15:11:43,432 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-20 15:11:43,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-20 15:11:43,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-20 15:11:43,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-20 15:11:43,448 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-20 15:11:43,449 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-20 15:11:43,449 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-20 15:11:43,449 INFO L133 SettingsManager]: * Use SBE=true [2018-11-20 15:11:43,450 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-20 15:11:43,450 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-20 15:11:43,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-20 15:11:43,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-20 15:11:43,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-20 15:11:43,451 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-20 15:11:43,451 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-20 15:11:43,451 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-20 15:11:43,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-20 15:11:43,452 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-20 15:11:43,452 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-20 15:11:43,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-20 15:11:43,452 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-20 15:11:43,452 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-20 15:11:43,453 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-20 15:11:43,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-20 15:11:43,453 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-20 15:11:43,453 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-20 15:11:43,454 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-20 15:11:43,454 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-20 15:11:43,454 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-20 15:11:43,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-20 15:11:43,454 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-20 15:11:43,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-20 15:11:43,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-20 15:11:43,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-20 15:11:43,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-20 15:11:43,527 INFO L276 PluginConnector]: CDTParser initialized [2018-11-20 15:11:43,527 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_2a_false-no-overflow.c [2018-11-20 15:11:43,591 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de290ee60/24bcc4dd0ec7412096840d5659b5d9b0/FLAG43340c79e [2018-11-20 15:11:44,070 INFO L307 CDTParser]: Found 1 translation units. [2018-11-20 15:11:44,070 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-crafted/NestedRecursion_2a_false-no-overflow.c [2018-11-20 15:11:44,077 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de290ee60/24bcc4dd0ec7412096840d5659b5d9b0/FLAG43340c79e [2018-11-20 15:11:44,435 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de290ee60/24bcc4dd0ec7412096840d5659b5d9b0 [2018-11-20 15:11:44,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-20 15:11:44,451 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-20 15:11:44,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-20 15:11:44,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-20 15:11:44,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-20 15:11:44,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:11:44" (1/1) ... [2018-11-20 15:11:44,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccb6807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44, skipping insertion in model container [2018-11-20 15:11:44,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:11:44" (1/1) ... [2018-11-20 15:11:44,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-20 15:11:44,499 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-20 15:11:44,714 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-20 15:11:44,719 INFO L191 MainTranslator]: Completed pre-run [2018-11-20 15:11:44,736 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-20 15:11:44,753 INFO L195 MainTranslator]: Completed translation [2018-11-20 15:11:44,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44 WrapperNode [2018-11-20 15:11:44,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-20 15:11:44,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-20 15:11:44,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-20 15:11:44,755 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-20 15:11:44,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44" (1/1) ... [2018-11-20 15:11:44,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44" (1/1) ... [2018-11-20 15:11:44,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44" (1/1) ... [2018-11-20 15:11:44,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44" (1/1) ... [2018-11-20 15:11:44,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44" (1/1) ... [2018-11-20 15:11:44,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44" (1/1) ... [2018-11-20 15:11:44,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44" (1/1) ... [2018-11-20 15:11:44,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-20 15:11:44,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-20 15:11:44,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-20 15:11:44,787 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-20 15:11:44,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-20 15:11:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-20 15:11:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-20 15:11:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-20 15:11:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-20 15:11:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-20 15:11:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-20 15:11:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-20 15:11:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-20 15:11:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-20 15:11:45,500 INFO L271 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-20 15:11:45,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:11:45 BoogieIcfgContainer [2018-11-20 15:11:45,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-20 15:11:45,503 INFO L168 Benchmark]: Toolchain (without parser) took 1052.57 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -740.8 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2018-11-20 15:11:45,505 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-20 15:11:45,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-20 15:11:45,507 INFO L168 Benchmark]: Boogie Preprocessor took 31.65 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-20 15:11:45,508 INFO L168 Benchmark]: RCFGBuilder took 714.21 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -751.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2018-11-20 15:11:45,512 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 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 296.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.65 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 714.21 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -751.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...