./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF --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 0.2.1-dev-53f42b1 [2021-11-20 07:23:18,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:23:18,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:23:18,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:23:18,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:23:18,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:23:18,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:23:18,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:23:18,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:23:18,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:23:18,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:23:18,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:23:18,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:23:18,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:23:18,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:23:18,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:23:18,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:23:18,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:23:18,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:23:18,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:23:18,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:23:18,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:23:18,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:23:18,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:23:18,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:23:18,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:23:18,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:23:18,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:23:18,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:23:18,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:23:18,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:23:18,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:23:18,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:23:18,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:23:18,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:23:18,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:23:18,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:23:18,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:23:18,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:23:18,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:23:18,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:23:18,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-11-20 07:23:18,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:23:18,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:23:18,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:23:18,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:23:18,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:23:18,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:23:18,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:23:18,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:23:18,963 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:23:18,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:23:18,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:23:18,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:23:18,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:23:18,965 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 07:23:18,965 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 07:23:18,966 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 07:23:18,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:23:18,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 07:23:18,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:23:18,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:23:18,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:23:18,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:23:18,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:23:18,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:23:18,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:23:18,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:23:18,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:23:18,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:23:18,969 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_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-11-20 07:23:19,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:23:19,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:23:19,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:23:19,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:23:19,243 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:23:19,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-20 07:23:19,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data/e09456cad/53ce678912e1465d9b743ca7d46ce2b1/FLAG1b72f4a81 [2021-11-20 07:23:20,079 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:23:20,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-20 07:23:20,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data/e09456cad/53ce678912e1465d9b743ca7d46ce2b1/FLAG1b72f4a81 [2021-11-20 07:23:20,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data/e09456cad/53ce678912e1465d9b743ca7d46ce2b1 [2021-11-20 07:23:20,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:23:20,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:23:20,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:23:20,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:23:20,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:23:20,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:23:20" (1/1) ... [2021-11-20 07:23:20,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ce4206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:20, skipping insertion in model container [2021-11-20 07:23:20,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:23:20" (1/1) ... [2021-11-20 07:23:20,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:23:20,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:23:21,458 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-11-20 07:23:21,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@107e324d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:21, skipping insertion in model container [2021-11-20 07:23:21,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:23:21,459 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:23:21,461 INFO L158 Benchmark]: Toolchain (without parser) took 1228.16ms. Allocated memory is still 119.5MB. Free memory was 81.9MB in the beginning and 83.1MB in the end (delta: -1.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 07:23:21,462 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:23:21,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1225.43ms. Allocated memory is still 119.5MB. Free memory was 81.7MB in the beginning and 83.1MB in the end (delta: -1.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 07:23:21,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1225.43ms. Allocated memory is still 119.5MB. Free memory was 81.7MB in the beginning and 83.1MB in the end (delta: -1.5MB). 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF --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 0.2.1-dev-53f42b1 [2021-11-20 07:23:23,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:23:23,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:23:23,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:23:23,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:23:23,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:23:23,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:23:23,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:23:23,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:23:23,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:23:23,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:23:23,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:23:23,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:23:23,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:23:23,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:23:23,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:23:23,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:23:23,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:23:23,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:23:23,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:23:23,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:23:23,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:23:23,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:23:23,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:23:23,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:23:23,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:23:23,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:23:23,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:23:23,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:23:23,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:23:23,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:23:23,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:23:23,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:23:23,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:23:23,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:23:23,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:23:23,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:23:23,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:23:23,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:23:23,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:23:23,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:23:23,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-11-20 07:23:23,749 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:23:23,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:23:23,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:23:23,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:23:23,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:23:23,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:23:23,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:23:23,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:23:23,752 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:23:23,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:23:23,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:23:23,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:23:23,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:23:23,754 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 07:23:23,754 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 07:23:23,754 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 07:23:23,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:23:23,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 07:23:23,755 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:23:23,755 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:23:23,755 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:23:23,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:23:23,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:23:23,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:23:23,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:23:23,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:23:23,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:23:23,762 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:23:23,763 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:23:23,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:23:23,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:23:23,764 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-11-20 07:23:24,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:23:24,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:23:24,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:23:24,219 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:23:24,219 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:23:24,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-20 07:23:24,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data/4c94eab23/5b30a391f92141ffb4276bd9e62893a1/FLAG0cf2e0e39 [2021-11-20 07:23:25,107 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:23:25,108 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-20 07:23:25,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data/4c94eab23/5b30a391f92141ffb4276bd9e62893a1/FLAG0cf2e0e39 [2021-11-20 07:23:25,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112017a6-8bb1-4860-b25e-9a058bc78a8e/bin/uautomizer-DQz5hQGWxF/data/4c94eab23/5b30a391f92141ffb4276bd9e62893a1 [2021-11-20 07:23:25,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:23:25,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:23:25,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:23:25,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:23:25,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:23:25,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:23:25" (1/1) ... [2021-11-20 07:23:25,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dacb1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:25, skipping insertion in model container [2021-11-20 07:23:25,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:23:25" (1/1) ... [2021-11-20 07:23:25,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:23:25,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:23:26,432 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-11-20 07:23:26,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41d9a7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:23:26, skipping insertion in model container [2021-11-20 07:23:26,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:23:26,434 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:23:26,436 INFO L158 Benchmark]: Toolchain (without parser) took 1191.10ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 30.0MB in the beginning and 58.5MB in the end (delta: -28.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-20 07:23:26,436 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:23:26,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1187.96ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 29.8MB in the beginning and 58.5MB in the end (delta: -28.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-20 07:23:26,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1187.96ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 29.8MB in the beginning and 58.5MB in the end (delta: -28.7MB). Peak memory consumption was 9.3MB. 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