./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:09,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:09,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:30:09,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:09,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:09,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:09,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:09,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:09,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:09,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:09,785 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:09,785 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:09,786 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:09,788 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:09,788 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:09,789 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:09,789 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:09,790 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:09,790 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:09,792 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:09,792 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:09,793 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:09,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:09,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:09,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:09,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:09,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:09,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:09,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:09,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:09,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:09,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:09,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:09,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:09,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:09,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:09,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:09,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:09,801 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:09,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:09,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:09,803 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:09,803 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:09,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:09,804 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2023-11-23 21:30:10,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:10,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:10,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:10,121 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:10,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:10,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-23 21:30:13,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:15,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:15,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-23 21:30:15,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/data/0e3218c53/041cceeb1c9441828b8874ce8078782a/FLAG43d373239 [2023-11-23 21:30:15,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/data/0e3218c53/041cceeb1c9441828b8874ce8078782a [2023-11-23 21:30:15,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:15,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:15,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:15,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:15,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:15,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f957109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15, skipping insertion in model container [2023-11-23 21:30:15,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:16,203 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:44,588 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-23 21:30:44,598 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-23 21:30:44,601 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-23 21:30:44,602 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-23 21:30:44,606 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-23 21:30:44,608 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-23 21:30:44,609 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-23 21:30:44,620 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-23 21:30:44,621 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-23 21:30:44,711 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-23 21:30:44,868 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-23 21:30:44,896 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[550332,550345] [2023-11-23 21:30:44,901 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[550530,550543] [2023-11-23 21:30:44,902 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[550817,550830] [2023-11-23 21:30:44,902 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[550943,550956] [2023-11-23 21:30:44,904 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[551606,551619] [2023-11-23 21:30:44,905 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[551707,551720] [2023-11-23 21:30:44,905 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[551872,551885] [2023-11-23 21:30:44,906 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[552110,552123] [2023-11-23 21:30:44,907 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[552387,552400] [2023-11-23 21:30:44,912 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[554335,554348] [2023-11-23 21:30:44,912 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[554602,554615] [2023-11-23 21:30:44,914 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555038,555051] [2023-11-23 21:30:44,914 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555150,555163] [2023-11-23 21:30:44,915 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555320,555333] [2023-11-23 21:30:44,916 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555415,555428] [2023-11-23 21:30:44,917 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555623,555636] [2023-11-23 21:30:45,729 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[763985,763998] [2023-11-23 21:30:45,730 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[764510,764523] [2023-11-23 21:30:45,731 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[764859,764872] [2023-11-23 21:30:45,732 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[765072,765085] [2023-11-23 21:30:45,793 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-23 21:30:45,862 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[839548,839561] [2023-11-23 21:30:45,863 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[839630,839643] [2023-11-23 21:30:45,864 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[840628,840641] [2023-11-23 21:30:45,865 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[840765,840778] [2023-11-23 21:30:45,866 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[840893,840906] [2023-11-23 21:30:45,868 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[841027,841040] [2023-11-23 21:30:45,870 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[841958,841971] [2023-11-23 21:30:46,143 ERROR L324 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2023-11-23 21:30:46,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@92722ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46, skipping insertion in model container [2023-11-23 21:30:46,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:46,145 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:30:46,149 INFO L158 Benchmark]: Toolchain (without parser) took 30601.24ms. Allocated memory was 203.4MB in the beginning and 293.6MB in the end (delta: 90.2MB). Free memory was 108.0MB in the beginning and 91.1MB in the end (delta: 17.0MB). Peak memory consumption was 183.7MB. Max. memory is 16.1GB. [2023-11-23 21:30:46,149 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:46,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 30593.95ms. Allocated memory was 203.4MB in the beginning and 293.6MB in the end (delta: 90.2MB). Free memory was 107.1MB in the beginning and 91.1MB in the end (delta: 16.0MB). Peak memory consumption was 183.7MB. Max. memory is 16.1GB. [2023-11-23 21:30:46,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 30593.95ms. Allocated memory was 203.4MB in the beginning and 293.6MB in the end (delta: 90.2MB). Free memory was 107.1MB in the beginning and 91.1MB in the end (delta: 16.0MB). Peak memory consumption was 183.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 35847]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:48,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:48,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:30:48,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:48,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:48,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:48,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:48,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:48,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:48,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:48,895 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:48,895 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:48,896 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:48,898 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:48,898 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:48,898 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:48,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:48,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:48,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:48,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:48,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:48,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:48,903 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:30:48,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:30:48,904 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:30:48,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:48,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:48,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:48,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:30:48,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:48,908 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:48,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:48,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:48,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:48,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:48,909 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:30:48,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:48,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:48,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:48,911 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:48,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:48,912 INFO L153 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_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2023-11-23 21:30:49,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:49,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:49,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:49,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:49,359 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:49,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-23 21:30:52,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:54,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:54,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-23 21:30:54,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/data/05b795680/284573a976b0418da0b7df461dda8c3c/FLAG9c9f61811 [2023-11-23 21:30:54,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1c42b7-3632-49f4-a7f8-6d5bf542c459/bin/utaipan-verify-mE87zJ7Ire/data/05b795680/284573a976b0418da0b7df461dda8c3c [2023-11-23 21:30:54,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:54,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:54,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:54,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:54,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:54,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:54" (1/1) ... [2023-11-23 21:30:54,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1e257f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:54, skipping insertion in model container [2023-11-23 21:30:54,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:54" (1/1) ... [2023-11-23 21:30:55,640 INFO L177 MainTranslator]: Built tables and reachable declarations