./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/busybox-1.22.0/tee_true-no-overflow_true-valid-memsafety.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/busybox-1.22.0/tee_true-no-overflow_true-valid-memsafety.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 1cbe10c265c78d4c260ff6fab966b7471dbd9768 .................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:18:49,181 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:18:49,183 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:18:49,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:18:49,201 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:18:49,202 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:18:49,206 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:18:49,217 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:18:49,220 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:18:49,222 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:18:49,226 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:18:49,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:18:49,228 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:18:49,231 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:18:49,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:18:49,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:18:49,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:18:49,239 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:18:49,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:18:49,253 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:18:49,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:18:49,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:18:49,263 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:18:49,263 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:18:49,263 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:18:49,267 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:18:49,268 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:18:49,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:18:49,271 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:18:49,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:18:49,276 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:18:49,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:18:49,277 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:18:49,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:18:49,278 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:18:49,278 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:18:49,279 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 21:18:49,302 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:18:49,302 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:18:49,304 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:18:49,304 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:18:49,304 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:18:49,304 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:18:49,308 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:18:49,308 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:18:49,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:18:49,309 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 21:18:49,309 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 21:18:49,309 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 21:18:49,310 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 21:18:49,310 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:18:49,310 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:18:49,310 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 21:18:49,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:18:49,310 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:18:49,311 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 21:18:49,311 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 21:18:49,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 21:18:49,311 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:18:49,311 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 21:18:49,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 21:18:49,313 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:18:49,313 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 21:18:49,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 21:18:49,314 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 1cbe10c265c78d4c260ff6fab966b7471dbd9768 [2019-01-01 21:18:49,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:18:49,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:18:49,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:18:49,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:18:49,413 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:18:49,414 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/busybox-1.22.0/tee_true-no-overflow_true-valid-memsafety.i [2019-01-01 21:18:49,475 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48546dd6/67b75f6c03594aaeae5af2a080bac20b/FLAG57efaca23 [2019-01-01 21:18:50,263 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:18:50,265 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/busybox-1.22.0/tee_true-no-overflow_true-valid-memsafety.i [2019-01-01 21:18:50,312 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48546dd6/67b75f6c03594aaeae5af2a080bac20b/FLAG57efaca23 [2019-01-01 21:18:50,803 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48546dd6/67b75f6c03594aaeae5af2a080bac20b [2019-01-01 21:18:50,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:18:50,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:18:50,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:18:50,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:18:50,815 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:18:50,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:18:50" (1/1) ... [2019-01-01 21:18:50,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47160357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:18:50, skipping insertion in model container [2019-01-01 21:18:50,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:18:50" (1/1) ... [2019-01-01 21:18:50,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:18:50,952 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:18:52,657 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-01-01 21:18:52,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53b947dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:18:52, skipping insertion in model container [2019-01-01 21:18:52,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:18:52,658 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-01-01 21:18:52,660 INFO L168 Benchmark]: Toolchain (without parser) took 1851.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2019-01-01 21:18:52,662 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:18:52,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1847.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2019-01-01 21:18:52,667 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1847.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2258]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...