./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:13:00,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:13:00,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:13:00,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:13:00,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:13:00,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:13:00,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:13:00,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:13:00,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:13:00,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:13:00,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:13:00,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:13:00,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:13:00,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:13:00,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:13:00,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:13:00,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:13:00,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:13:00,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:13:00,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:13:00,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:13:00,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:13:00,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:13:00,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:13:00,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:13:00,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:13:00,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:13:00,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:13:00,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:13:00,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:13:00,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:13:00,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:13:00,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:13:00,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:13:00,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:13:00,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:13:00,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:13:00,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:13:00,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:13:00,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:13:00,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:13:00,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-29 05:13:00,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:13:00,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:13:00,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:13:00,934 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:13:00,934 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:13:00,935 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:13:00,935 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:13:00,935 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:13:00,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:13:00,936 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:13:00,937 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:13:00,937 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:13:00,937 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:13:00,938 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:13:00,938 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:13:00,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:13:00,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:13:00,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:13:00,939 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:13:00,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:13:00,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:13:00,940 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:13:00,940 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:13:00,941 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:13:00,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:13:00,941 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:13:00,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:13:00,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:13:00,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:13:00,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:13:00,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:13:00,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:13:00,943 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:13:00,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:13:00,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:13:00,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:13:00,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-10-29 05:13:01,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:13:01,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:13:01,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:13:01,337 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:13:01,338 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:13:01,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-10-29 05:13:01,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data/499b7fed3/ea6809ff43f843aa9b18f3993b598334/FLAG391675169 [2021-10-29 05:13:02,159 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:13:02,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-10-29 05:13:02,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data/499b7fed3/ea6809ff43f843aa9b18f3993b598334/FLAG391675169 [2021-10-29 05:13:02,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data/499b7fed3/ea6809ff43f843aa9b18f3993b598334 [2021-10-29 05:13:02,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:13:02,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:13:02,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:13:02,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:13:02,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:13:02,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:13:02" (1/1) ... [2021-10-29 05:13:02,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e37d030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:13:02, skipping insertion in model container [2021-10-29 05:13:02,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:13:02" (1/1) ... [2021-10-29 05:13:02,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:13:02,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:13:03,517 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-29 05:13:03,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a42a6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:13:03, skipping insertion in model container [2021-10-29 05:13:03,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:13:03,518 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:13:03,521 INFO L168 Benchmark]: Toolchain (without parser) took 1243.27 ms. Allocated memory is still 107.0 MB. Free memory was 82.1 MB in the beginning and 69.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:13:03,521 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory is still 80.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:13:03,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1240.67 ms. Allocated memory is still 107.0 MB. Free memory was 82.1 MB in the beginning and 69.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:13:03,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory is still 80.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1240.67 ms. Allocated memory is still 107.0 MB. Free memory was 82.1 MB in the beginning and 69.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:13:05,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:13:05,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:13:05,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:13:05,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:13:05,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:13:05,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:13:05,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:13:05,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:13:05,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:13:05,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:13:05,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:13:05,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:13:05,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:13:05,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:13:05,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:13:05,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:13:05,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:13:05,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:13:05,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:13:05,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:13:05,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:13:05,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:13:05,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:13:05,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:13:05,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:13:05,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:13:05,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:13:05,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:13:05,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:13:05,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:13:05,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:13:05,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:13:05,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:13:05,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:13:05,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:13:05,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:13:05,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:13:05,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:13:05,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:13:05,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:13:05,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-29 05:13:05,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:13:05,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:13:05,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:13:05,950 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:13:05,950 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:13:05,950 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:13:05,951 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:13:05,951 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:13:05,951 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:13:05,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:13:05,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:13:05,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:13:05,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:13:05,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:13:05,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:13:05,953 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:13:05,953 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:13:05,953 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:13:05,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:13:05,954 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:13:05,954 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:13:05,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:13:05,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:13:05,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:13:05,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:13:05,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:13:05,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:13:05,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:13:05,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:13:05,956 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:13:05,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:13:05,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:13:05,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:13:05,957 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_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-10-29 05:13:06,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:13:06,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:13:06,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:13:06,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:13:06,367 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:13:06,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-10-29 05:13:06,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data/c638ad7ef/0fcb0ceb5b8341dda77265e956952ae2/FLAG3ca27aae3 [2021-10-29 05:13:07,256 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:13:07,257 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-10-29 05:13:07,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data/c638ad7ef/0fcb0ceb5b8341dda77265e956952ae2/FLAG3ca27aae3 [2021-10-29 05:13:07,324 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833abcef-f41a-45bf-b1de-6e8f500384c1/bin/utaipan-SDwSMHVbGG/data/c638ad7ef/0fcb0ceb5b8341dda77265e956952ae2 [2021-10-29 05:13:07,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:13:07,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:13:07,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:13:07,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:13:07,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:13:07,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:13:07" (1/1) ... [2021-10-29 05:13:07,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4c88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:13:07, skipping insertion in model container [2021-10-29 05:13:07,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:13:07" (1/1) ... [2021-10-29 05:13:07,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:13:07,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:13:08,776 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-29 05:13:08,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39a77b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:13:08, skipping insertion in model container [2021-10-29 05:13:08,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:13:08,782 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:13:08,784 INFO L168 Benchmark]: Toolchain (without parser) took 1447.62 ms. Allocated memory is still 62.9 MB. Free memory was 38.9 MB in the beginning and 35.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:13:08,785 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:13:08,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1444.04 ms. Allocated memory is still 62.9 MB. Free memory was 38.6 MB in the beginning and 35.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:13:08,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1444.04 ms. Allocated memory is still 62.9 MB. Free memory was 38.6 MB in the beginning and 35.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...