./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 75a422495b0d341888d6fa4ea15996bc435989c8057f490725519b3804611bf5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 14:13:33,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 14:13:33,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 14:13:33,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 14:13:33,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 14:13:33,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 14:13:33,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 14:13:33,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 14:13:33,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 14:13:33,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 14:13:33,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 14:13:33,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 14:13:33,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 14:13:33,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 14:13:33,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 14:13:33,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 14:13:33,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 14:13:33,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 14:13:33,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 14:13:33,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 14:13:33,926 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 14:13:33,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 14:13:33,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 14:13:33,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 14:13:33,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 14:13:33,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 14:13:33,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 14:13:33,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 14:13:33,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 14:13:33,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 14:13:33,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 14:13:33,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 14:13:33,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 14:13:33,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 14:13:33,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 14:13:33,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 14:13:33,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 14:13:33,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 14:13:33,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 14:13:33,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 14:13:33,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 14:13:33,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 14:13:33,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-07-14 14:13:33,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 14:13:33,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 14:13:33,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 14:13:33,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 14:13:33,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 14:13:33,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 14:13:33,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 14:13:33,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 14:13:33,971 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 14:13:33,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 14:13:33,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 14:13:33,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 14:13:33,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 14:13:33,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 14:13:33,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 14:13:33,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 14:13:33,973 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-14 14:13:33,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 14:13:33,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 14:13:33,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 14:13:33,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 14:13:33,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 14:13:33,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 14:13:33,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 14:13:33,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 14:13:33,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 14:13:33,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 14:13:33,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 14:13:33,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 14:13:33,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 14:13:33,976 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75a422495b0d341888d6fa4ea15996bc435989c8057f490725519b3804611bf5 [2022-07-14 14:13:34,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 14:13:34,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 14:13:34,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 14:13:34,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 14:13:34,223 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 14:13:34,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i [2022-07-14 14:13:34,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d9c485e3/e694f860331e49409db1c3d3fbea677a/FLAG7261b2c84 [2022-07-14 14:13:34,751 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 14:13:34,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i [2022-07-14 14:13:34,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d9c485e3/e694f860331e49409db1c3d3fbea677a/FLAG7261b2c84 [2022-07-14 14:13:35,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d9c485e3/e694f860331e49409db1c3d3fbea677a [2022-07-14 14:13:35,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 14:13:35,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 14:13:35,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 14:13:35,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 14:13:35,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 14:13:35,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:13:35" (1/1) ... [2022-07-14 14:13:35,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ac60a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:35, skipping insertion in model container [2022-07-14 14:13:35,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:13:35" (1/1) ... [2022-07-14 14:13:35,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 14:13:35,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 14:13:35,682 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-07-14 14:13:35,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e659c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:35, skipping insertion in model container [2022-07-14 14:13:35,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 14:13:35,683 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-14 14:13:35,684 INFO L158 Benchmark]: Toolchain (without parser) took 655.97ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 57.8MB in the beginning and 79.9MB in the end (delta: -22.1MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-07-14 14:13:35,685 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory was 51.2MB in the beginning and 51.2MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:13:35,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.52ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 57.6MB in the beginning and 79.9MB in the end (delta: -22.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-07-14 14:13:35,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory was 51.2MB in the beginning and 51.2MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.52ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 57.6MB in the beginning and 79.9MB in the end (delta: -22.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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