./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur --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 bcc96ea5a402f6c50c6ada50aa02c055724bf69145719cad5c0602e9f9b5b2e4 --- 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-38b53e6 [2022-11-26 00:50:20,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:50:20,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:50:20,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:50:20,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:50:20,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:50:20,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:50:20,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:50:20,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:50:20,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:50:20,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:50:20,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:50:20,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:50:20,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:50:20,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:50:20,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:50:20,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:50:20,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:50:20,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:50:20,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:50:20,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:50:20,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:50:20,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:50:20,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:50:20,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:50:20,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:50:20,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:50:20,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:50:20,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:50:20,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:50:20,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:50:20,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:50:20,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:50:20,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:50:20,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:50:20,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:50:20,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:50:20,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:50:20,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:50:20,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:50:20,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:50:20,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 00:50:20,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:50:20,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:50:20,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:50:20,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:50:20,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:50:20,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:50:20,965 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:50:20,965 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:50:20,965 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:50:20,966 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:50:20,966 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:50:20,966 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:50:20,967 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:50:20,967 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:50:20,967 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:50:20,968 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:50:20,968 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:50:20,968 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:50:20,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:50:20,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:50:20,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:50:20,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:50:20,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:50:20,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:50:20,971 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:50:20,971 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:50:20,972 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:50:20,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:50:20,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:50:20,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:50:20,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:50:20,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:50:20,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:50:20,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:50:20,974 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:50:20,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:50:20,975 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:50:20,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:50:20,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:50:20,976 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_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcc96ea5a402f6c50c6ada50aa02c055724bf69145719cad5c0602e9f9b5b2e4 [2022-11-26 00:50:21,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:50:21,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:50:21,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:50:21,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:50:21,284 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:50:21,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-11-26 00:50:24,697 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:50:25,188 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:50:25,191 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-11-26 00:50:25,226 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/data/21b4b563c/1a78221fbe614b3184121de2910e0c7b/FLAG49290e35f [2022-11-26 00:50:25,243 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/data/21b4b563c/1a78221fbe614b3184121de2910e0c7b [2022-11-26 00:50:25,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:50:25,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:50:25,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:50:25,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:50:25,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:50:25,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:50:25" (1/1) ... [2022-11-26 00:50:25,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5564d4aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:50:25, skipping insertion in model container [2022-11-26 00:50:25,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:50:25" (1/1) ... [2022-11-26 00:50:25,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:50:25,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:50:26,691 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:50:26,695 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:50:26,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62220b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:50:26, skipping insertion in model container [2022-11-26 00:50:26,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:50:26,696 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:50:26,698 INFO L158 Benchmark]: Toolchain (without parser) took 1448.12ms. Allocated memory is still 192.9MB. Free memory was 149.3MB in the beginning and 122.8MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 00:50:26,699 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:50:26,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1442.67ms. Allocated memory is still 192.9MB. Free memory was 149.3MB in the beginning and 122.8MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 00:50:26,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1442.67ms. Allocated memory is still 192.9MB. Free memory was 149.3MB in the beginning and 122.8MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur --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 bcc96ea5a402f6c50c6ada50aa02c055724bf69145719cad5c0602e9f9b5b2e4 --- 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-38b53e6 [2022-11-26 00:50:28,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:50:28,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:50:28,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:50:28,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:50:28,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:50:28,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:50:28,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:50:28,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:50:28,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:50:28,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:50:28,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:50:28,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:50:28,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:50:29,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:50:29,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:50:29,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:50:29,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:50:29,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:50:29,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:50:29,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:50:29,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:50:29,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:50:29,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:50:29,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:50:29,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:50:29,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:50:29,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:50:29,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:50:29,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:50:29,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:50:29,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:50:29,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:50:29,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:50:29,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:50:29,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:50:29,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:50:29,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:50:29,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:50:29,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:50:29,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:50:29,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 00:50:29,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:50:29,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:50:29,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:50:29,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:50:29,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:50:29,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:50:29,144 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:50:29,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:50:29,144 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:50:29,145 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:50:29,146 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:50:29,146 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:50:29,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:50:29,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:50:29,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:50:29,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:50:29,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:50:29,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:50:29,148 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:50:29,149 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:50:29,149 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:50:29,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:50:29,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:50:29,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:50:29,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:50:29,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:50:29,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:50:29,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:50:29,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:50:29,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:50:29,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:50:29,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:50:29,152 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:50:29,153 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:50:29,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:50:29,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:50:29,153 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_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcc96ea5a402f6c50c6ada50aa02c055724bf69145719cad5c0602e9f9b5b2e4 [2022-11-26 00:50:29,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:50:29,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:50:29,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:50:29,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:50:29,640 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:50:29,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-11-26 00:50:32,826 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:50:33,271 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:50:33,272 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-11-26 00:50:33,314 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/data/2d14ddbb0/02ae0d86b51f48599ffe110d8291b902/FLAGce5b28da1 [2022-11-26 00:50:33,346 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f9bc7e-5288-4806-9ba9-8ccbee222165/bin/utaipan-ByfvJB40ur/data/2d14ddbb0/02ae0d86b51f48599ffe110d8291b902 [2022-11-26 00:50:33,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:50:33,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:50:33,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:50:33,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:50:33,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:50:33,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:50:33" (1/1) ... [2022-11-26 00:50:33,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c16c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:50:33, skipping insertion in model container [2022-11-26 00:50:33,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:50:33" (1/1) ... [2022-11-26 00:50:33,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:50:33,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:50:34,798 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:50:34,801 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:50:34,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@207d72c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:50:34, skipping insertion in model container [2022-11-26 00:50:34,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:50:34,802 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:50:34,804 INFO L158 Benchmark]: Toolchain (without parser) took 1452.44ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 61.7MB in the end (delta: 1.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-26 00:50:34,805 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:50:34,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1449.70ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 61.7MB in the end (delta: 850.1kB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-26 00:50:34,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1449.70ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 61.7MB in the end (delta: 850.1kB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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