./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/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_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:44:56,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:44:56,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:44:56,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:44:56,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:44:56,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:44:56,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:44:56,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:44:56,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:44:56,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:44:56,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:44:56,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:44:56,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:44:56,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:44:56,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:44:56,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:44:56,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:44:56,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:44:56,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:44:56,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:44:56,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:44:56,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:44:56,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:44:56,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:44:56,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:44:56,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:44:56,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:44:56,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:44:56,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:44:56,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:44:56,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:44:56,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:44:56,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:44:56,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:44:56,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:44:56,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:44:56,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:44:56,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:44:56,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:44:56,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:44:56,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:44:56,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 15:44:56,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:44:56,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:44:56,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:44:56,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:44:56,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:44:56,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:44:56,886 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:44:56,886 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:44:56,886 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:44:56,886 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:44:56,887 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:44:56,887 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:44:56,887 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:44:56,887 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:44:56,887 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:44:56,887 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:44:56,887 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:44:56,887 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:44:56,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 15:44:56,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 15:44:56,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:44:56,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:44:56,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:44:56,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:44:56,888 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 15:44:56,888 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 15:44:56,888 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 15:44:56,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:44:56,889 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:44:56,889 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:44:56,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:44:56,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:44:56,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:44:56,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:44:56,889 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:44:56,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:44:56,889 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:44:56,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:44:56,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:44:56,890 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_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2022-12-14 15:44:57,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:44:57,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:44:57,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:44:57,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:44:57,079 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:44:57,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-12-14 15:44:59,629 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:44:59,895 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:44:59,896 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-12-14 15:44:59,916 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/data/5bb26ff0d/1b25fb83204e459ca4828adf422a385a/FLAGfcc16dee0 [2022-12-14 15:44:59,928 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/data/5bb26ff0d/1b25fb83204e459ca4828adf422a385a [2022-12-14 15:44:59,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:44:59,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:44:59,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:44:59,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:44:59,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:44:59,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:44:59" (1/1) ... [2022-12-14 15:44:59,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4345162a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:44:59, skipping insertion in model container [2022-12-14 15:44:59,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:44:59" (1/1) ... [2022-12-14 15:44:59,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:44:59,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:45:00,769 WARN L623 FunctionHandler]: Unknown extern function execvp [2022-12-14 15:45:00,769 WARN L623 FunctionHandler]: Unknown extern function execvp [2022-12-14 15:45:00,772 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 [2022-12-14 15:45:00,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e477975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:45:00, skipping insertion in model container [2022-12-14 15:45:00,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:45:00,772 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:45:00,774 INFO L158 Benchmark]: Toolchain (without parser) took 842.07ms. Allocated memory is still 163.6MB. Free memory was 117.8MB in the beginning and 94.8MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 15:45:00,774 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:45:00,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.05ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 94.8MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 15:45:00,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.05ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 94.8MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/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_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:45:02,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:45:02,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:45:02,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:45:02,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:45:02,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:45:02,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:45:02,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:45:02,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:45:02,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:45:02,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:45:02,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:45:02,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:45:02,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:45:02,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:45:02,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:45:02,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:45:02,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:45:02,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:45:02,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:45:02,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:45:02,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:45:02,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:45:02,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:45:02,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:45:02,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:45:02,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:45:02,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:45:02,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:45:02,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:45:02,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:45:02,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:45:02,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:45:02,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:45:02,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:45:02,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:45:02,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:45:02,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:45:02,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:45:02,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:45:02,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:45:02,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 15:45:02,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:45:02,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:45:02,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:45:02,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:45:02,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:45:02,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:45:02,191 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:45:02,191 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:45:02,191 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:45:02,191 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:45:02,192 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:45:02,192 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:45:02,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 15:45:02,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 15:45:02,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:45:02,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:45:02,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:45:02,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:45:02,194 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 15:45:02,194 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 15:45:02,194 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 15:45:02,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:45:02,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:45:02,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:45:02,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:45:02,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:45:02,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:45:02,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:45:02,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:45:02,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:45:02,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:45:02,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:45:02,203 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:45:02,203 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:45:02,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:45:02,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:45:02,203 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_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2022-12-14 15:45:02,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:45:02,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:45:02,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:45:02,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:45:02,456 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:45:02,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-12-14 15:45:04,961 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:45:05,233 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:45:05,234 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-12-14 15:45:05,253 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/data/1aa8a646f/f1d843f9166b4ad1834946253c0853e8/FLAGe246398a7 [2022-12-14 15:45:05,264 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e29b27-f0cd-47b7-a9e9-32f68625f5bb/bin/utaipan-gh47qXpMRh/data/1aa8a646f/f1d843f9166b4ad1834946253c0853e8 [2022-12-14 15:45:05,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:45:05,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:45:05,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:45:05,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:45:05,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:45:05,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:45:05" (1/1) ... [2022-12-14 15:45:05,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f4919c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:45:05, skipping insertion in model container [2022-12-14 15:45:05,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:45:05" (1/1) ... [2022-12-14 15:45:05,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:45:05,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:45:06,024 WARN L623 FunctionHandler]: Unknown extern function execvp [2022-12-14 15:45:06,025 WARN L623 FunctionHandler]: Unknown extern function execvp [2022-12-14 15:45:06,027 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 [2022-12-14 15:45:06,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d0e451f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:45:06, skipping insertion in model container [2022-12-14 15:45:06,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:45:06,028 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:45:06,030 INFO L158 Benchmark]: Toolchain (without parser) took 762.34ms. Allocated memory is still 75.5MB. Free memory was 49.5MB in the beginning and 45.0MB in the end (delta: 4.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-12-14 15:45:06,030 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:45:06,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.88ms. Allocated memory is still 75.5MB. Free memory was 49.3MB in the beginning and 45.0MB in the end (delta: 4.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-12-14 15:45:06,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.88ms. Allocated memory is still 75.5MB. Free memory was 49.3MB in the beginning and 45.0MB in the end (delta: 4.3MB). Peak memory consumption was 19.4MB. 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