./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI --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 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd --- 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-5e519f3 [2022-11-03 02:06:23,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:06:23,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:06:23,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:06:23,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:06:23,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:06:23,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:06:23,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:06:23,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:06:23,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:06:23,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:06:23,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:06:23,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:06:23,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:06:23,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:06:23,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:06:23,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:06:23,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:06:23,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:06:23,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:06:23,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:06:23,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:06:23,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:06:23,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:06:23,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:06:23,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:06:23,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:06:23,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:06:23,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:06:23,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:06:23,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:06:23,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:06:23,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:06:23,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:06:23,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:06:23,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:06:23,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:06:23,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:06:23,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:06:23,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:06:23,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:06:23,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-03 02:06:23,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:06:23,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:06:23,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:06:23,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:06:23,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:06:23,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:06:23,974 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:06:23,974 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:06:23,974 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:06:23,975 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:06:23,976 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:06:23,976 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:06:23,977 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:06:23,977 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:06:23,977 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:06:23,977 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:06:23,978 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:06:23,978 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:06:23,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:06:23,979 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:06:23,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:06:23,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:06:23,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:06:23,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:06:23,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:06:23,982 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 02:06:23,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:06:23,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:06:23,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:06:23,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:06:23,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:06:23,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:06:23,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:06:23,985 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:06:23,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:06:23,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:06:23,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:06:23,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:06:23,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:06:23,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:06:23,987 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_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2022-11-03 02:06:24,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:06:24,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:06:24,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:06:24,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:06:24,433 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:06:24,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-03 02:06:24,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/data/c976005c4/9860241c65d742c69d9adbe2892cbb76/FLAG13f1f9a76 [2022-11-03 02:06:25,491 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:06:25,492 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-03 02:06:25,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/data/c976005c4/9860241c65d742c69d9adbe2892cbb76/FLAG13f1f9a76 [2022-11-03 02:06:26,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/data/c976005c4/9860241c65d742c69d9adbe2892cbb76 [2022-11-03 02:06:26,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:06:26,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:06:26,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:06:26,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:06:26,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:06:26,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:06:26" (1/1) ... [2022-11-03 02:06:26,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed5a52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:26, skipping insertion in model container [2022-11-03 02:06:26,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:06:26" (1/1) ... [2022-11-03 02:06:26,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:06:26,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:06:28,087 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-03 02:06:28,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41350d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:28, skipping insertion in model container [2022-11-03 02:06:28,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:06:28,089 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:06:28,092 INFO L158 Benchmark]: Toolchain (without parser) took 2067.49ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 96.8MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:06:28,094 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:06:28,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2062.71ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 96.8MB in the end (delta: -3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:06:28,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2062.71ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 96.8MB in the end (delta: -3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_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_fdc1aa46-9291-4c17-8132-6acbda23273e/bin/utaipan-7li7fVZpFI/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