./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan --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 c2e7b45e921570ccf385ba227988118bb4a2ddcc ......................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/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 --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:08:02,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:02,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:02,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:02,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:02,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:02,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:02,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:02,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:02,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:02,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:02,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:02,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:02,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:02,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:02,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:02,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:02,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:02,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:02,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:02,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:02,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:02,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:02,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:02,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:02,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:02,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:02,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:02,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:02,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:02,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:02,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:02,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:02,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:02,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:02,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:02,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:02,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:02,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:02,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:02,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:02,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-11-22 13:08:02,922 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:02,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:02,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:02,924 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:02,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:02,925 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:02,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:08:02,925 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:02,925 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:02,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:08:02,927 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:08:02,927 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:02,927 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:08:02,928 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:08:02,928 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:08:02,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:02,929 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:08:02,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:08:02,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:02,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:08:02,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:02,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:08:02,930 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-22 13:08:02,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:08:02,931 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:02,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:08:02,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:02,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:02,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:02,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:02,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:02,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:02,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:08:02,933 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:08:02,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:08:02,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:08:02,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:02,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:02,934 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-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e7b45e921570ccf385ba227988118bb4a2ddcc [2020-11-22 13:08:03,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:03,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:03,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:03,270 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:03,270 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:03,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i [2020-11-22 13:08:03,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/data/c189d87a4/d62039aff0ec4e57b5adcd0553fa6d81/FLAG6626160de [2020-11-22 13:08:04,018 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:04,019 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i [2020-11-22 13:08:04,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/data/c189d87a4/d62039aff0ec4e57b5adcd0553fa6d81/FLAG6626160de [2020-11-22 13:08:04,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ada762b-1458-4f3c-a07c-2a393ebb579a/bin/utaipan/data/c189d87a4/d62039aff0ec4e57b5adcd0553fa6d81 [2020-11-22 13:08:04,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:04,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:04,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:04,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:04,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:04,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624df671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04, skipping insertion in model container [2020-11-22 13:08:04,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:04,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:05,440 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-11-22 13:08:05,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25f0f4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:05, skipping insertion in model container [2020-11-22 13:08:05,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:05,442 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:08:05,444 INFO L168 Benchmark]: Toolchain (without parser) took 1239.97 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 47.8 MB in the beginning and 68.9 MB in the end (delta: -21.1 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:05,445 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 42.9 MB in the beginning and 42.8 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:05,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1234.87 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 47.7 MB in the beginning and 68.9 MB in the end (delta: -21.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:05,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 42.9 MB in the beginning and 42.8 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1234.87 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 47.7 MB in the beginning and 68.9 MB in the end (delta: -21.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...