./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/byte_add-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/byte_add-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6af52310ec13e6e7a94146d05f9e904086453aae ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:22:23,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:22:23,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:22:23,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:22:23,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:22:23,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:22:23,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:22:23,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:22:23,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:22:23,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:22:23,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:22:23,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:22:23,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:22:23,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:22:23,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:22:23,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:22:23,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:22:23,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:22:23,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:22:23,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:22:23,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:22:23,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:22:23,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:22:23,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:22:23,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:22:23,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:22:23,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:22:23,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:22:23,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:22:23,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:22:23,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:22:23,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:22:23,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:22:23,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:22:23,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:22:23,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:22:23,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:22:23,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:22:23,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:22:23,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:22:23,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:22:23,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-16 22:22:23,785 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:22:23,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:22:23,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:22:23,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:22:23,795 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:22:23,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:22:23,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:22:23,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:22:23,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:22:23,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:22:23,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:22:23,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 22:22:23,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:22:23,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 22:22:23,803 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-16 22:22:23,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:22:23,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:22:23,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:22:23,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 22:22:23,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:22:23,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:22:23,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:22:23,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:22:23,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:22:23,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:22:23,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:22:23,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 22:22:23,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:22:23,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:22:23,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 22:22:23,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6af52310ec13e6e7a94146d05f9e904086453aae [2019-11-16 22:22:24,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:22:24,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:22:24,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:22:24,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:22:24,381 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:22:24,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/byte_add-2.i [2019-11-16 22:22:24,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933b0834f/44576093c61b49eaa9f41d8c49125568/FLAG09008d286 [2019-11-16 22:22:25,638 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:22:25,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add-2.i [2019-11-16 22:22:25,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933b0834f/44576093c61b49eaa9f41d8c49125568/FLAG09008d286 [2019-11-16 22:22:25,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933b0834f/44576093c61b49eaa9f41d8c49125568 [2019-11-16 22:22:25,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:22:25,722 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:22:25,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:22:25,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:22:25,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:22:25,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:22:25" (1/1) ... [2019-11-16 22:22:25,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4459bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:25, skipping insertion in model container [2019-11-16 22:22:25,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:22:25" (1/1) ... [2019-11-16 22:22:25,767 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:22:25,835 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:22:26,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:22:26,393 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:22:26,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:22:26,601 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:22:26,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26 WrapperNode [2019-11-16 22:22:26,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:22:26,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:22:26,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:22:26,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:22:26,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26" (1/1) ... [2019-11-16 22:22:26,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26" (1/1) ... [2019-11-16 22:22:26,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:22:26,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:22:26,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:22:26,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:22:26,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26" (1/1) ... [2019-11-16 22:22:26,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26" (1/1) ... [2019-11-16 22:22:26,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26" (1/1) ... [2019-11-16 22:22:26,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26" (1/1) ... [2019-11-16 22:22:26,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26" (1/1) ... [2019-11-16 22:22:26,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26" (1/1) ... [2019-11-16 22:22:26,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:22:26" (1/1) ... [2019-11-16 22:22:26,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:22:26,811 INFO L168 Benchmark]: Toolchain (without parser) took 1077.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:22:26,812 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:22:26,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-16 22:22:26,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.51 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:22:26,834 INFO L168 Benchmark]: Boogie Preprocessor took 71.95 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-16 22:22:26,843 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 877.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 114.51 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.95 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...