./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/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_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:55:07,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:55:07,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:55:07,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:55:07,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:55:07,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:55:07,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:55:07,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:55:07,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:55:07,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:55:07,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:55:07,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:55:07,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:55:07,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:55:07,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:55:07,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:55:07,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:55:07,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:55:07,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:55:07,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:55:07,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:55:07,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:55:07,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:55:07,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:55:07,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:55:07,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:55:07,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:55:07,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:55:07,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:55:07,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:55:07,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:55:07,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:55:07,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:55:07,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:55:07,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:55:07,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:55:07,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:55:07,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:55:07,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:55:07,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:55:07,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:55:07,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-19 14:55:07,928 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:55:07,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:55:07,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:55:07,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:55:07,930 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:55:07,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:55:07,931 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:55:07,932 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:55:07,932 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:55:07,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:55:07,933 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:55:07,933 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:55:07,933 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:55:07,934 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:55:07,934 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:55:07,935 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:55:07,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 14:55:07,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 14:55:07,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:55:07,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:55:07,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:55:07,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:55:07,937 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 14:55:07,937 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 14:55:07,937 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 14:55:07,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:55:07,938 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:55:07,938 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:55:07,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:55:07,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:55:07,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:55:07,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:55:07,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:55:07,939 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:55:07,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:55:07,940 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:55:07,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:55:07,943 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_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-11-19 14:55:08,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:55:08,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:55:08,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:55:08,256 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:55:08,257 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:55:08,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-19 14:55:08,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data/246af55ad/94065d279adb40419ec7c98589cbec23/FLAG6e575307d [2021-11-19 14:55:09,142 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:55:09,143 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-19 14:55:09,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data/246af55ad/94065d279adb40419ec7c98589cbec23/FLAG6e575307d [2021-11-19 14:55:09,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data/246af55ad/94065d279adb40419ec7c98589cbec23 [2021-11-19 14:55:09,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:55:09,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:55:09,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:55:09,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:55:09,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:55:09,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:09" (1/1) ... [2021-11-19 14:55:09,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58478607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09, skipping insertion in model container [2021-11-19 14:55:09,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:09" (1/1) ... [2021-11-19 14:55:09,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:55:09,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:55:10,437 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 [2021-11-19 14:55:10,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4adff87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10, skipping insertion in model container [2021-11-19 14:55:10,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:55:10,439 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:55:10,441 INFO L158 Benchmark]: Toolchain (without parser) took 1166.69ms. Allocated memory is still 104.9MB. Free memory was 67.3MB in the beginning and 66.4MB in the end (delta: 928.2kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:55:10,441 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 59.8MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:55:10,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1161.82ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 66.4MB in the end (delta: 706.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 14:55:10,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 59.8MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1161.82ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 66.4MB in the end (delta: 706.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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... --- 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_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/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_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:55:12,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:55:12,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:55:12,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:55:12,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:55:12,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:55:12,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:55:12,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:55:12,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:55:12,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:55:12,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:55:12,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:55:12,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:55:12,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:55:12,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:55:12,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:55:12,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:55:12,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:55:12,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:55:12,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:55:12,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:55:12,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:55:12,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:55:12,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:55:12,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:55:12,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:55:12,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:55:12,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:55:12,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:55:12,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:55:12,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:55:12,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:55:12,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:55:12,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:55:12,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:55:12,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:55:12,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:55:12,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:55:12,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:55:12,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:55:12,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:55:12,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-19 14:55:12,997 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:55:12,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:55:12,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:55:12,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:55:12,999 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:55:12,999 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:55:12,999 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:55:13,000 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:55:13,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:55:13,000 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:55:13,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 14:55:13,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 14:55:13,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:55:13,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:55:13,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:55:13,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:55:13,003 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 14:55:13,003 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 14:55:13,003 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 14:55:13,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:55:13,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:55:13,004 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:55:13,004 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:55:13,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:55:13,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:55:13,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:55:13,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:55:13,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:55:13,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:55:13,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:55:13,007 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:55:13,007 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:55:13,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:55:13,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:55:13,008 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_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-11-19 14:55:13,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:55:13,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:55:13,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:55:13,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:55:13,416 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:55:13,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-19 14:55:13,495 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data/173e3d4d7/99998aff61d64c789185559a252aafc9/FLAGd9bb4da05 [2021-11-19 14:55:14,338 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:55:14,339 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-19 14:55:14,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data/173e3d4d7/99998aff61d64c789185559a252aafc9/FLAGd9bb4da05 [2021-11-19 14:55:14,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52af627f-e6b2-48d9-90e3-a149ca8387d5/bin/utaipan-UbGMyvGFUs/data/173e3d4d7/99998aff61d64c789185559a252aafc9 [2021-11-19 14:55:14,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:55:14,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:55:14,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:55:14,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:55:14,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:55:14,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:14" (1/1) ... [2021-11-19 14:55:14,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311a359a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:14, skipping insertion in model container [2021-11-19 14:55:14,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:14" (1/1) ... [2021-11-19 14:55:14,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:55:15,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:55:16,272 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 [2021-11-19 14:55:16,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@129b830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:16, skipping insertion in model container [2021-11-19 14:55:16,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:55:16,274 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:55:16,279 INFO L158 Benchmark]: Toolchain (without parser) took 1389.69ms. Allocated memory is still 62.9MB. Free memory was 38.1MB in the beginning and 33.9MB in the end (delta: 4.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-19 14:55:16,281 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:55:16,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1384.90ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 33.9MB in the end (delta: 4.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-19 14:55:16,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1384.90ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 33.9MB in the end (delta: 4.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN