./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3a877d22 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 16:43:40,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 16:43:40,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 16:43:40,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 16:43:40,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 16:43:40,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 16:43:40,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 16:43:40,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 16:43:40,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 16:43:40,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 16:43:40,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 16:43:40,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 16:43:40,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 16:43:40,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 16:43:40,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 16:43:40,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 16:43:40,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 16:43:40,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 16:43:40,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 16:43:40,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 16:43:40,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 16:43:40,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 16:43:40,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 16:43:40,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 16:43:40,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 16:43:40,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 16:43:40,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 16:43:40,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 16:43:40,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 16:43:40,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 16:43:40,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 16:43:40,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 16:43:40,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 16:43:40,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 16:43:40,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 16:43:40,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 16:43:40,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 16:43:40,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 16:43:40,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 16:43:40,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 16:43:40,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 16:43:40,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-15 16:43:40,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 16:43:40,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 16:43:40,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 16:43:40,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 16:43:40,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 16:43:40,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 16:43:40,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 16:43:40,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 16:43:40,761 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 16:43:40,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 16:43:40,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 16:43:40,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 16:43:40,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 16:43:40,762 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 16:43:40,762 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 16:43:40,762 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 16:43:40,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 16:43:40,762 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 16:43:40,763 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 16:43:40,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 16:43:40,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 16:43:40,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 16:43:40,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 16:43:40,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 16:43:40,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 16:43:40,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 16:43:40,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 16:43:40,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 16:43:40,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-12-15 16:43:40,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 16:43:40,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 16:43:40,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 16:43:40,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 16:43:40,960 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 16:43:40,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-12-15 16:43:41,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/239e8a7a9/2124d828aeb64c119a6ed884709faca1/FLAG663e6e25f [2021-12-15 16:43:41,524 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 16:43:41,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-12-15 16:43:41,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/239e8a7a9/2124d828aeb64c119a6ed884709faca1/FLAG663e6e25f [2021-12-15 16:43:41,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/239e8a7a9/2124d828aeb64c119a6ed884709faca1 [2021-12-15 16:43:41,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 16:43:41,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 16:43:41,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 16:43:41,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 16:43:41,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 16:43:41,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:43:41" (1/1) ... [2021-12-15 16:43:41,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc291a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:43:41, skipping insertion in model container [2021-12-15 16:43:41,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:43:41" (1/1) ... [2021-12-15 16:43:41,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 16:43:41,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 16:43:42,463 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-12-15 16:43:42,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7193f934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:43:42, skipping insertion in model container [2021-12-15 16:43:42,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 16:43:42,464 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 16:43:42,466 INFO L158 Benchmark]: Toolchain (without parser) took 660.84ms. Allocated memory is still 98.6MB. Free memory was 68.1MB in the beginning and 64.6MB in the end (delta: 3.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 16:43:42,467 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:43:42,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.19ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 64.9MB in the end (delta: 2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 16:43:42,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.19ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 64.9MB in the end (delta: 2.9MB). Peak memory consumption was 12.6MB. 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 Retrying with bit-precise analysis ### Bit-precise run ### 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 16:43:43,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 16:43:43,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 16:43:44,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 16:43:44,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 16:43:44,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 16:43:44,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 16:43:44,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 16:43:44,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 16:43:44,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 16:43:44,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 16:43:44,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 16:43:44,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 16:43:44,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 16:43:44,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 16:43:44,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 16:43:44,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 16:43:44,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 16:43:44,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 16:43:44,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 16:43:44,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 16:43:44,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 16:43:44,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 16:43:44,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 16:43:44,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 16:43:44,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 16:43:44,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 16:43:44,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 16:43:44,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 16:43:44,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 16:43:44,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 16:43:44,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 16:43:44,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 16:43:44,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 16:43:44,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 16:43:44,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 16:43:44,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 16:43:44,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 16:43:44,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 16:43:44,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 16:43:44,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 16:43:44,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-15 16:43:44,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 16:43:44,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 16:43:44,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 16:43:44,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 16:43:44,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 16:43:44,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 16:43:44,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 16:43:44,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 16:43:44,095 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 16:43:44,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 16:43:44,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 16:43:44,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 16:43:44,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 16:43:44,096 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 16:43:44,097 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 16:43:44,097 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 16:43:44,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 16:43:44,097 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 16:43:44,097 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 16:43:44,097 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 16:43:44,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 16:43:44,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 16:43:44,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 16:43:44,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 16:43:44,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 16:43:44,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 16:43:44,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 16:43:44,099 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 16:43:44,099 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 16:43:44,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 16:43:44,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 16:43:44,099 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-12-15 16:43:44,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 16:43:44,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 16:43:44,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 16:43:44,392 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 16:43:44,393 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 16:43:44,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-12-15 16:43:44,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec9cf806/04cc457d7a4d4fd2a4fc8d717fe130fd/FLAGcb97d323e [2021-12-15 16:43:44,887 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 16:43:44,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-12-15 16:43:44,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec9cf806/04cc457d7a4d4fd2a4fc8d717fe130fd/FLAGcb97d323e [2021-12-15 16:43:45,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec9cf806/04cc457d7a4d4fd2a4fc8d717fe130fd [2021-12-15 16:43:45,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 16:43:45,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 16:43:45,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 16:43:45,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 16:43:45,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 16:43:45,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:43:45" (1/1) ... [2021-12-15 16:43:45,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fceb4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:43:45, skipping insertion in model container [2021-12-15 16:43:45,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:43:45" (1/1) ... [2021-12-15 16:43:45,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 16:43:45,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 16:43:45,861 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-12-15 16:43:45,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73caf208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:43:45, skipping insertion in model container [2021-12-15 16:43:45,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 16:43:45,866 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 16:43:45,868 INFO L158 Benchmark]: Toolchain (without parser) took 664.87ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 47.3MB in the end (delta: -17.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 16:43:45,868 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:43:45,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.11ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 47.5MB in the end (delta: -17.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 16:43:45,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.11ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 47.5MB in the end (delta: -17.7MB). Peak memory consumption was 6.3MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN