./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ba71ce3194fd075436e387b3d05508ccb1c5d77a0f482beefd39eded16051a6f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:49:47,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:49:47,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:49:47,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:49:47,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:49:47,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:49:47,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:49:47,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:49:47,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:49:47,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:49:47,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:49:47,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:49:47,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:49:47,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:49:47,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:49:47,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:49:47,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:49:47,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:49:47,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:49:47,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:49:47,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:49:47,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:49:47,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:49:47,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:49:47,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:49:47,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:49:47,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:49:47,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:49:47,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:49:47,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:49:47,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:49:47,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:49:47,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:49:47,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:49:47,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:49:47,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:49:47,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:49:47,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:49:47,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:49:47,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:49:47,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:49:47,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-23 16:49:47,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:49:47,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:49:47,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:49:47,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:49:47,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:49:47,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:49:47,919 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:49:47,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:49:47,920 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:49:47,920 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:49:47,921 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:49:47,921 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:49:47,921 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:49:47,921 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:49:47,922 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:49:47,922 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:49:47,922 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:49:47,923 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:49:47,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:49:47,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:49:47,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:49:47,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:49:47,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:49:47,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:49:47,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:49:47,925 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 16:49:47,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:49:47,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:49:47,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:49:47,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:49:47,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:49:47,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:49:47,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:49:47,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:49:47,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:49:47,928 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:49:47,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:49:47,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:49:47,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:49:47,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:49:47,929 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba71ce3194fd075436e387b3d05508ccb1c5d77a0f482beefd39eded16051a6f [2021-11-23 16:49:48,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:49:48,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:49:48,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:49:48,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:49:48,340 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:49:48,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/stty-1.i [2021-11-23 16:49:48,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/data/01b6866ae/78db269e937a418f9ebf53635871b893/FLAGde9e1461f [2021-11-23 16:49:49,571 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:49:49,571 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/sv-benchmarks/c/busybox-1.22.0/stty-1.i [2021-11-23 16:49:49,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/data/01b6866ae/78db269e937a418f9ebf53635871b893/FLAGde9e1461f [2021-11-23 16:49:49,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/data/01b6866ae/78db269e937a418f9ebf53635871b893 [2021-11-23 16:49:49,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:49:49,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:49:49,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:49:49,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:49:49,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:49:49,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:49" (1/1) ... [2021-11-23 16:49:49,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4552cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:49, skipping insertion in model container [2021-11-23 16:49:49,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:49" (1/1) ... [2021-11-23 16:49:49,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:49:50,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:49:52,452 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-11-23 16:49:52,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bd8f3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:52, skipping insertion in model container [2021-11-23 16:49:52,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:49:52,454 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 16:49:52,457 INFO L158 Benchmark]: Toolchain (without parser) took 2513.66ms. Allocated memory is still 119.5MB. Free memory was 78.0MB in the beginning and 62.5MB in the end (delta: 15.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-11-23 16:49:52,458 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:49:52,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2508.36ms. Allocated memory is still 119.5MB. Free memory was 78.0MB in the beginning and 63.2MB in the end (delta: 14.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-11-23 16:49:52,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2508.36ms. Allocated memory is still 119.5MB. Free memory was 78.0MB in the beginning and 63.2MB in the end (delta: 14.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71fc95b2-7cfc-49c7-be8b-963bb56b56d5/bin/utaipan-fb15Y9Yzbl/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN