./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/uniq-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/busybox-1.22.0/uniq-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 82a01909b73887274a091afe6fe6c283eee1a37f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:22:59,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:22:59,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:22:59,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:22:59,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:22:59,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:22:59,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:22:59,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:22:59,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:22:59,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:22:59,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:22:59,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:22:59,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:22:59,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:22:59,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:22:59,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:22:59,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:22:59,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:22:59,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:22:59,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:22:59,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:22:59,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:22:59,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:22:59,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:22:59,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:22:59,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:22:59,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:22:59,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:22:59,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:22:59,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:22:59,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:22:59,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:22:59,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:22:59,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:22:59,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:22:59,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:22:59,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:22:59,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:22:59,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:22:59,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:22:59,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:22:59,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-16 22:22:59,543 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:22:59,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:22:59,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:22:59,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:22:59,551 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:22:59,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:22:59,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:22:59,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:22:59,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:22:59,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 22:22:59,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:22:59,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 22:22:59,557 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-16 22:22:59,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:22:59,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:22:59,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 22:22:59,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:22:59,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:22:59,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:22:59,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:22:59,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:22:59,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:22:59,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:22:59,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 22:22:59,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:22:59,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:22:59,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 22:22:59,570 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82a01909b73887274a091afe6fe6c283eee1a37f [2019-11-16 22:23:00,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:23:00,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:23:00,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:23:00,208 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:23:00,212 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:23:00,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2019-11-16 22:23:00,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba4acf81/e63d2178e78c48a1adab357c444617f5/FLAG9c31383d1 [2019-11-16 22:23:01,881 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:23:01,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2019-11-16 22:23:01,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba4acf81/e63d2178e78c48a1adab357c444617f5/FLAG9c31383d1 [2019-11-16 22:23:02,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba4acf81/e63d2178e78c48a1adab357c444617f5 [2019-11-16 22:23:02,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:23:02,044 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:23:02,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:02,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:23:02,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:23:02,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:02" (1/1) ... [2019-11-16 22:23:02,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f40461c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:02, skipping insertion in model container [2019-11-16 22:23:02,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:02" (1/1) ... [2019-11-16 22:23:02,086 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:23:02,245 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:23:04,864 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2019-11-16 22:23:04,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5adedcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:04, skipping insertion in model container [2019-11-16 22:23:04,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:04,867 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-16 22:23:04,873 INFO L168 Benchmark]: Toolchain (without parser) took 2825.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 971.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 12.5 GB. [2019-11-16 22:23:04,874 INFO L168 Benchmark]: CDTParser took 1.91 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 22:23:04,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2821.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 971.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 12.5 GB. [2019-11-16 22:23:04,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.91 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 2821.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 971.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2490]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...