./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/logname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/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_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/logname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/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_cec13184-aa9f-48f9-9641-4a2262b52dc9/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 ef23f0df5a6b5f5e3f2540f5be582dd0a4a0334d581647e6cdee1f02d4670491 --- 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 10:55:42,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:55:42,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:55:42,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:55:42,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:55:42,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:55:42,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:55:42,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:55:42,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:55:42,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:55:42,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:55:42,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:55:42,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:55:42,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:55:42,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:55:42,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:55:42,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:55:42,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:55:42,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:55:42,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:55:42,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:55:42,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:55:42,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:55:42,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:55:42,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:55:42,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:55:42,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:55:42,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:55:42,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:55:42,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:55:42,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:55:42,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:55:42,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:55:42,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:55:42,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:55:42,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:55:42,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:55:42,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:55:42,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:55:42,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:55:42,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:55:42,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 10:55:42,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:55:42,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:55:42,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:55:42,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:55:42,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:55:42,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:55:42,583 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:55:42,583 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:55:42,583 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:55:42,583 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:55:42,583 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:55:42,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:55:42,584 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:55:42,584 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:55:42,584 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:55:42,584 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:55:42,584 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:55:42,584 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:55:42,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 10:55:42,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 10:55:42,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:55:42,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:55:42,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:55:42,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:55:42,586 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 10:55:42,586 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 10:55:42,586 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 10:55:42,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:55:42,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:55:42,587 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:55:42,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:55:42,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:55:42,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:55:42,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:55:42,588 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:55:42,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:55:42,588 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:55:42,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:55:42,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:55:42,588 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_cec13184-aa9f-48f9-9641-4a2262b52dc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef23f0df5a6b5f5e3f2540f5be582dd0a4a0334d581647e6cdee1f02d4670491 [2022-12-14 10:55:42,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:55:42,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:55:42,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:55:42,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:55:42,779 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:55:42,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/logname-1.i [2022-12-14 10:55:45,318 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:55:45,603 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:55:45,603 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/sv-benchmarks/c/busybox-1.22.0/logname-1.i [2022-12-14 10:55:45,627 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/data/af5e7e6e0/7c65dadfa7a64d609b42d5476a6f0bf6/FLAG78b5537b8 [2022-12-14 10:55:45,894 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/data/af5e7e6e0/7c65dadfa7a64d609b42d5476a6f0bf6 [2022-12-14 10:55:45,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:55:45,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:55:45,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:55:45,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:55:45,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:55:45,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:55:45" (1/1) ... [2022-12-14 10:55:45,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ca1bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:55:45, skipping insertion in model container [2022-12-14 10:55:45,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:55:45" (1/1) ... [2022-12-14 10:55:45,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:55:45,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:55:46,674 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 10:55:46,677 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 10:55:46,689 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 10:55:46,690 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 10:55:46,698 WARN L623 FunctionHandler]: Unknown extern function getlogin_r [2022-12-14 10:55:46,699 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:55:46,701 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 10:55:46,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f60a9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:55:46, skipping insertion in model container [2022-12-14 10:55:46,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:55:46,702 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 10:55:46,703 INFO L158 Benchmark]: Toolchain (without parser) took 801.97ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 81.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 10:55:46,703 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:55:46,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.94ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 81.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 10:55:46,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.94ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 81.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2377]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/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_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/logname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/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_cec13184-aa9f-48f9-9641-4a2262b52dc9/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 ef23f0df5a6b5f5e3f2540f5be582dd0a4a0334d581647e6cdee1f02d4670491 --- 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 10:55:48,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:55:48,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:55:48,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:55:48,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:55:48,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:55:48,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:55:48,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:55:48,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:55:48,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:55:48,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:55:48,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:55:48,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:55:48,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:55:48,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:55:48,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:55:48,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:55:48,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:55:48,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:55:48,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:55:48,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:55:48,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:55:48,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:55:48,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:55:48,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:55:48,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:55:48,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:55:48,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:55:48,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:55:48,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:55:48,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:55:48,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:55:48,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:55:48,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:55:48,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:55:48,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:55:48,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:55:48,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:55:48,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:55:48,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:55:48,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:55:48,096 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 10:55:48,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:55:48,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:55:48,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:55:48,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:55:48,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:55:48,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:55:48,122 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:55:48,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:55:48,123 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:55:48,123 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:55:48,123 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:55:48,123 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:55:48,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 10:55:48,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 10:55:48,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:55:48,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:55:48,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:55:48,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:55:48,125 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 10:55:48,125 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 10:55:48,126 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 10:55:48,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:55:48,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:55:48,126 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 10:55:48,126 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 10:55:48,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:55:48,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:55:48,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 10:55:48,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:55:48,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:55:48,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:55:48,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:55:48,127 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 10:55:48,127 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 10:55:48,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:55:48,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 10:55:48,128 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_cec13184-aa9f-48f9-9641-4a2262b52dc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef23f0df5a6b5f5e3f2540f5be582dd0a4a0334d581647e6cdee1f02d4670491 [2022-12-14 10:55:48,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:55:48,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:55:48,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:55:48,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:55:48,379 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:55:48,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/logname-1.i [2022-12-14 10:55:50,869 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:55:51,159 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:55:51,160 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/sv-benchmarks/c/busybox-1.22.0/logname-1.i [2022-12-14 10:55:51,182 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/data/a25fe4027/8e12d4b733ea4610b74b6940e1476495/FLAG43dcba2f6 [2022-12-14 10:55:51,195 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec13184-aa9f-48f9-9641-4a2262b52dc9/bin/utaipan-gh47qXpMRh/data/a25fe4027/8e12d4b733ea4610b74b6940e1476495 [2022-12-14 10:55:51,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:55:51,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:55:51,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:55:51,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:55:51,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:55:51,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:55:51" (1/1) ... [2022-12-14 10:55:51,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3532637b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:55:51, skipping insertion in model container [2022-12-14 10:55:51,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:55:51" (1/1) ... [2022-12-14 10:55:51,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:55:51,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:55:51,868 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 10:55:51,870 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 10:55:51,879 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 10:55:51,880 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 10:55:51,886 WARN L623 FunctionHandler]: Unknown extern function getlogin_r [2022-12-14 10:55:51,886 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:55:51,888 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 10:55:51,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a3abc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:55:51, skipping insertion in model container [2022-12-14 10:55:51,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:55:51,889 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 10:55:51,890 INFO L158 Benchmark]: Toolchain (without parser) took 690.70ms. Allocated memory is still 65.0MB. Free memory was 32.2MB in the beginning and 36.6MB in the end (delta: -4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 10:55:51,891 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:55:51,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.41ms. Allocated memory is still 65.0MB. Free memory was 32.0MB in the beginning and 36.6MB in the end (delta: -4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 10:55:51,892 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 50.3MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.41ms. Allocated memory is still 65.0MB. Free memory was 32.0MB in the beginning and 36.6MB in the end (delta: -4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2377]: 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