./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8 --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 64b70d709fcf91425b4d924aa16c47bf27caac0bca27c95a63838e54a803b231 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:57:44,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:57:44,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:57:44,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:57:44,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:57:44,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:57:44,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:57:44,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:57:44,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:57:44,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:57:44,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:57:44,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:57:44,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:57:44,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:57:44,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:57:44,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:57:44,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:57:44,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:57:44,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:57:44,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:57:44,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:57:44,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:57:44,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:57:44,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:57:44,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:57:44,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:57:44,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:57:44,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:57:44,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:57:44,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:57:44,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:57:44,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:57:44,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:57:44,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:57:44,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:57:44,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:57:44,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:57:44,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:57:44,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:57:44,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:57:44,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:57:44,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-07 00:57:44,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:57:44,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:57:44,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:57:44,882 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:57:44,882 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:57:44,883 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:57:44,883 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:57:44,883 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:57:44,889 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:57:44,890 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:57:44,891 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:57:44,891 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:57:44,891 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:57:44,891 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:57:44,892 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:57:44,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:57:44,893 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 00:57:44,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:57:44,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:57:44,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:57:44,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:57:44,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:57:44,894 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-07 00:57:44,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:57:44,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:57:44,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:57:44,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:57:44,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:57:44,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:57:44,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:57:44,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:57:44,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:57:44,898 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:57:44,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:57:44,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:57:44,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:57:44,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:57:44,899 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_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b70d709fcf91425b4d924aa16c47bf27caac0bca27c95a63838e54a803b231 [2021-11-07 00:57:45,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:57:45,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:57:45,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:57:45,201 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:57:45,201 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:57:45,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2021-11-07 00:57:45,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/data/d824a5358/b215e60e696c4c6a947789b8891931e0/FLAGa43ce134d [2021-11-07 00:57:46,083 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:57:46,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2021-11-07 00:57:46,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/data/d824a5358/b215e60e696c4c6a947789b8891931e0/FLAGa43ce134d [2021-11-07 00:57:46,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/data/d824a5358/b215e60e696c4c6a947789b8891931e0 [2021-11-07 00:57:46,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:57:46,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:57:46,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:57:46,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:57:46,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:57:46,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:46" (1/1) ... [2021-11-07 00:57:46,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7818c465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:46, skipping insertion in model container [2021-11-07 00:57:46,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:46" (1/1) ... [2021-11-07 00:57:46,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:57:46,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:57:47,482 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-07 00:57:47,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65420159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:47, skipping insertion in model container [2021-11-07 00:57:47,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:57:47,484 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:57:47,486 INFO L168 Benchmark]: Toolchain (without parser) took 1331.19 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 59.0 MB in the beginning and 78.3 MB in the end (delta: -19.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:47,487 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 98.6 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:57:47,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1328.64 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 58.8 MB in the beginning and 78.3 MB in the end (delta: -19.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:47,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 98.6 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1328.64 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 58.8 MB in the beginning and 78.3 MB in the end (delta: -19.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: 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... --- 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_6e28d4a4-0eb0-4aff-b742-8f8bcd1ccca1/bin/utaipan-UUZaoUuFF8/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