./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS --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 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:49:15,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:49:15,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:49:15,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:49:15,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:49:15,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:49:15,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:49:15,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:49:15,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:49:15,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:49:15,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:49:15,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:49:15,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:49:15,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:49:15,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:49:15,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:49:15,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:49:15,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:49:15,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:49:15,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:49:15,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:49:15,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:49:15,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:49:15,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:49:15,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:49:15,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:49:15,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:49:15,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:49:15,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:49:15,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:49:15,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:49:15,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:49:15,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:49:15,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:49:15,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:49:15,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:49:16,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:49:16,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:49:16,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:49:16,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:49:16,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:49:16,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-19 06:49:16,044 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:49:16,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:49:16,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:49:16,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:49:16,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:49:16,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:49:16,046 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:49:16,047 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:49:16,047 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:49:16,047 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:49:16,048 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:49:16,049 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:49:16,049 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:49:16,049 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:49:16,049 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:49:16,049 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:49:16,050 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:49:16,050 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:49:16,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:49:16,051 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:49:16,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:49:16,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:49:16,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:49:16,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:49:16,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:49:16,052 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 06:49:16,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:49:16,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:49:16,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:49:16,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:49:16,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:49:16,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:49:16,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:49:16,056 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:49:16,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:49:16,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:49:16,057 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:49:16,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:49:16,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:49:16,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:49:16,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca [2022-11-19 06:49:16,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:49:16,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:49:16,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:49:16,366 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:49:16,367 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:49:16,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-11-19 06:49:16,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/data/14bbe77d6/7faf0d6351d0417a860520df3a301ac1/FLAG5ecba4b38 [2022-11-19 06:49:17,136 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:49:17,138 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-11-19 06:49:17,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/data/14bbe77d6/7faf0d6351d0417a860520df3a301ac1/FLAG5ecba4b38 [2022-11-19 06:49:17,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/data/14bbe77d6/7faf0d6351d0417a860520df3a301ac1 [2022-11-19 06:49:17,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:49:17,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:49:17,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:49:17,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:49:17,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:49:17,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:49:17" (1/1) ... [2022-11-19 06:49:17,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7061740a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:17, skipping insertion in model container [2022-11-19 06:49:17,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:49:17" (1/1) ... [2022-11-19 06:49:17,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:49:17,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:49:18,472 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-19 06:49:18,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fdee50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:18, skipping insertion in model container [2022-11-19 06:49:18,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:49:18,476 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 06:49:18,478 INFO L158 Benchmark]: Toolchain (without parser) took 1186.41ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 64.8MB in the end (delta: 762.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 06:49:18,479 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 74.4MB in the beginning and 74.4MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:49:18,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1180.79ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 64.8MB in the end (delta: 505.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 06:49:18,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 74.4MB in the beginning and 74.4MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1180.79ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 64.8MB in the end (delta: 505.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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... --- 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_8a96307a-cf81-440a-87de-ac383d670402/bin/utaipan-I9t0OCRTmS/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