./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 9bd2c7ff 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:55:36,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:36,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:55:36,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:36,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:36,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:36,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:36,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:36,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:36,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:36,918 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:36,918 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:36,919 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:36,921 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:55:36,922 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:36,922 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:36,923 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:55:36,923 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:55:36,924 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:36,925 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:55:36,925 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:55:36,926 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:55:36,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:36,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:36,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:55:36,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:36,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:36,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:36,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:36,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:36,938 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:36,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:36,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:36,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:36,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:36,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:36,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:36,940 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:55:36,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:55:36,941 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:36,941 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:36,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:36,942 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2023-11-19 04:55:37,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:37,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:37,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:37,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:37,334 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:37,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-19 04:55:40,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:43,005 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:43,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-19 04:55:43,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/data/d4fe00852/5b26a2745d19481895c90ea5a7769b69/FLAGb7ee7f094 [2023-11-19 04:55:43,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/data/d4fe00852/5b26a2745d19481895c90ea5a7769b69 [2023-11-19 04:55:43,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:43,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:43,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:43,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:43,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:43,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:43" (1/1) ... [2023-11-19 04:55:43,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506defc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:43, skipping insertion in model container [2023-11-19 04:55:43,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:43" (1/1) ... [2023-11-19 04:55:43,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:56:13,987 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-19 04:56:13,988 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-19 04:56:13,989 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-19 04:56:13,990 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-19 04:56:13,992 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-19 04:56:13,992 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-19 04:56:13,993 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-19 04:56:13,996 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-19 04:56:13,996 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-19 04:56:14,039 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-19 04:56:14,266 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-19 04:56:14,297 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[550332,550345] [2023-11-19 04:56:14,305 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[550530,550543] [2023-11-19 04:56:14,307 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[550817,550830] [2023-11-19 04:56:14,308 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[550943,550956] [2023-11-19 04:56:14,310 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[551606,551619] [2023-11-19 04:56:14,311 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[551707,551720] [2023-11-19 04:56:14,312 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[551872,551885] [2023-11-19 04:56:14,313 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[552110,552123] [2023-11-19 04:56:14,314 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[552387,552400] [2023-11-19 04:56:14,322 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[554335,554348] [2023-11-19 04:56:14,324 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[554602,554615] [2023-11-19 04:56:14,327 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555038,555051] [2023-11-19 04:56:14,328 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555150,555163] [2023-11-19 04:56:14,330 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555320,555333] [2023-11-19 04:56:14,330 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555415,555428] [2023-11-19 04:56:14,331 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[555623,555636] [2023-11-19 04:56:15,110 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[763985,763998] [2023-11-19 04:56:15,112 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[764510,764523] [2023-11-19 04:56:15,113 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[764859,764872] [2023-11-19 04:56:15,114 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[765072,765085] [2023-11-19 04:56:15,182 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-19 04:56:15,253 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[839548,839561] [2023-11-19 04:56:15,253 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[839630,839643] [2023-11-19 04:56:15,255 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[840628,840641] [2023-11-19 04:56:15,256 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[840765,840778] [2023-11-19 04:56:15,257 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[840893,840906] [2023-11-19 04:56:15,257 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[841027,841040] [2023-11-19 04:56:15,259 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i[841958,841971] [2023-11-19 04:56:15,571 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. [2023-11-19 04:56:15,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3705d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:15, skipping insertion in model container [2023-11-19 04:56:15,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:15,573 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:56:15,577 INFO L158 Benchmark]: Toolchain (without parser) took 32383.66ms. Allocated memory was 224.4MB in the beginning and 381.7MB in the end (delta: 157.3MB). Free memory was 137.9MB in the beginning and 86.2MB in the end (delta: 51.7MB). Peak memory consumption was 217.3MB. Max. memory is 16.1GB. [2023-11-19 04:56:15,578 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 172.0MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:56:15,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 32380.10ms. Allocated memory was 224.4MB in the beginning and 381.7MB in the end (delta: 157.3MB). Free memory was 137.9MB in the beginning and 86.2MB in the end (delta: 51.7MB). Peak memory consumption was 217.3MB. Max. memory is 16.1GB. [2023-11-19 04:56:15,582 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 172.0MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 32380.10ms. Allocated memory was 224.4MB in the beginning and 381.7MB in the end (delta: 157.3MB). Free memory was 137.9MB in the beginning and 86.2MB in the end (delta: 51.7MB). Peak memory consumption was 217.3MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:56:18,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:56:18,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 04:56:18,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:56:18,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:56:18,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:56:18,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:56:18,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:56:18,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:56:18,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:56:18,564 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:56:18,564 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:56:18,565 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:56:18,567 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:56:18,567 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:56:18,568 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:56:18,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:56:18,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:56:18,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:56:18,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:56:18,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:56:18,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:56:18,573 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:56:18,573 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:56:18,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:56:18,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:56:18,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:56:18,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:56:18,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:56:18,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:56:18,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:18,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:56:18,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:56:18,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:56:18,579 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:56:18,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:56:18,580 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:56:18,580 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:56:18,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:56:18,581 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_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2023-11-19 04:56:19,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:56:19,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:56:19,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:56:19,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:56:19,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:56:19,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-19 04:56:22,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:56:24,785 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:56:24,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-19 04:56:24,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/data/1aa84b765/a0f6f3339e904fb497d858cca28c8eb5/FLAG4285cd3ad [2023-11-19 04:56:24,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a425dfa-a4e0-452a-ad2a-385ed450afd6/bin/utaipan-verify-t7M7D8N6sZ/data/1aa84b765/a0f6f3339e904fb497d858cca28c8eb5 [2023-11-19 04:56:24,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:56:24,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:56:24,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:24,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:56:25,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:56:25,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:24" (1/1) ... [2023-11-19 04:56:25,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f6c013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:25, skipping insertion in model container [2023-11-19 04:56:25,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:24" (1/1) ... [2023-11-19 04:56:25,813 INFO L177 MainTranslator]: Built tables and reachable declarations