./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 20ed64ec 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-1.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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ................................................................................................................................. 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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 11:40:41,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 11:40:41,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 11:40:41,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 11:40:41,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 11:40:41,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 11:40:41,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 11:40:41,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 11:40:41,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 11:40:41,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 11:40:41,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 11:40:41,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 11:40:41,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 11:40:41,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 11:40:41,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 11:40:41,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 11:40:41,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 11:40:41,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 11:40:41,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 11:40:41,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 11:40:41,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 11:40:41,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 11:40:41,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 11:40:41,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 11:40:41,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 11:40:41,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 11:40:41,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 11:40:41,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 11:40:41,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 11:40:41,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 11:40:41,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 11:40:41,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 11:40:41,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 11:40:41,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 11:40:41,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 11:40:41,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 11:40:41,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 11:40:41,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 11:40:41,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 11:40:41,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 11:40:41,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 11:40:41,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-08-27 11:40:41,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 11:40:41,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 11:40:41,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 11:40:41,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 11:40:41,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 11:40:41,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 11:40:41,743 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 11:40:41,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 11:40:41,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 11:40:41,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 11:40:41,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 11:40:41,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 11:40:41,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 11:40:41,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 11:40:41,746 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-27 11:40:41,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 11:40:41,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 11:40:41,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 11:40:41,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 11:40:41,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 11:40:41,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 11:40:41,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:40:41,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 11:40:41,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 11:40:41,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 11:40:41,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 11:40:41,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 11:40:41,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 11:40:41,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 11:40:41,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-08-27 11:40:42,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 11:40:42,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 11:40:42,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 11:40:42,056 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 11:40:42,056 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 11:40:42,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-08-27 11:40:42,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14a678183/41903b644ba1499d8220c8a7e2ce40da/FLAG91a9ee59b [2021-08-27 11:40:42,674 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 11:40:42,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-08-27 11:40:42,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14a678183/41903b644ba1499d8220c8a7e2ce40da/FLAG91a9ee59b [2021-08-27 11:40:42,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14a678183/41903b644ba1499d8220c8a7e2ce40da [2021-08-27 11:40:42,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 11:40:42,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 11:40:42,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 11:40:42,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 11:40:42,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 11:40:42,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:40:42" (1/1) ... [2021-08-27 11:40:42,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274f9d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:42, skipping insertion in model container [2021-08-27 11:40:42,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:40:42" (1/1) ... [2021-08-27 11:40:42,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 11:40:43,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 11:40:43,677 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-08-27 11:40:43,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@405d08f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:40:43, skipping insertion in model container [2021-08-27 11:40:43,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 11:40:43,679 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-27 11:40:43,680 INFO L168 Benchmark]: Toolchain (without parser) took 741.60 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 32.9 MB in the beginning and 56.4 MB in the end (delta: -23.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:43,681 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 40.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:40:43,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.63 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 32.7 MB in the beginning and 56.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-08-27 11:40:43,683 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 58.7 MB. Free memory was 40.6 MB in the beginning and 40.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 739.63 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 32.7 MB in the beginning and 56.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 9.2 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...