./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b11fc97597f608f59dd58b7455952e5878fc7ad4dea7505ca992e4e557a36fe --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:32:59,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:32:59,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:32:59,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:32:59,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:32:59,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:32:59,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:32:59,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:32:59,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:32:59,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:32:59,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:32:59,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:32:59,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:32:59,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:32:59,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:32:59,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:32:59,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:32:59,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:32:59,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:32:59,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:32:59,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:32:59,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:32:59,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:32:59,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:32:59,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:32:59,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:32:59,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:32:59,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:32:59,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:32:59,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:32:59,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:32:59,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:32:59,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:32:59,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:32:59,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:32:59,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:32:59,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:32:59,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:32:59,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:32:59,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:32:59,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:32:59,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-11-25 15:32:59,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:32:59,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:32:59,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:32:59,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:32:59,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:32:59,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:32:59,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:32:59,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:32:59,328 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:32:59,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:32:59,328 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:32:59,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:32:59,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:32:59,329 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 15:32:59,329 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 15:32:59,329 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 15:32:59,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:32:59,329 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:32:59,329 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:32:59,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:32:59,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:32:59,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:32:59,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:32:59,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:32:59,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:32:59,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:32:59,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:32:59,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:32:59,331 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:32:59,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:32:59,332 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b11fc97597f608f59dd58b7455952e5878fc7ad4dea7505ca992e4e557a36fe [2022-11-25 15:32:59,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:32:59,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:32:59,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:32:59,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:32:59,620 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:32:59,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-11-25 15:33:02,767 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:33:03,709 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:33:03,710 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-11-25 15:33:03,801 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/data/800389eac/5952c07f5a51482593ed8e92455bace8/FLAG6f27501f2 [2022-11-25 15:33:03,820 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/data/800389eac/5952c07f5a51482593ed8e92455bace8 [2022-11-25 15:33:03,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:33:03,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:33:03,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:03,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:33:03,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:33:03,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:03" (1/1) ... [2022-11-25 15:33:03,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7d1241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:03, skipping insertion in model container [2022-11-25 15:33:03,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:03" (1/1) ... [2022-11-25 15:33:03,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:33:04,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:33:04,964 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7330] [2022-11-25 15:33:04,964 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7331-7332] [2022-11-25 15:33:05,067 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:33:05,084 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:33:05,104 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:33:05,208 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:05,210 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 15:33:05,214 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 15:33:05,216 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 15:33:05,274 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 15:33:05,452 WARN L237 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_92caca52-14f3-4579-9bfa-16f860cfe928/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i[216809,216822] [2022-11-25 15:33:05,749 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:05,750 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:33:05,770 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:05,771 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:33:05,796 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:05,797 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:33:05,813 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:05,815 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:33:05,992 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:33:05,999 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:33:06,006 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:33:06,033 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 15:33:06,035 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 15:33:06,038 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2022-11-25 15:33:06,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c6ab30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:06, skipping insertion in model container [2022-11-25 15:33:06,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:06,039 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 15:33:06,041 INFO L158 Benchmark]: Toolchain (without parser) took 2212.47ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 53.6MB in the beginning and 99.1MB in the end (delta: -45.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-11-25 15:33:06,042 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 57.6MB in the beginning and 57.4MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:33:06,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2208.60ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 53.2MB in the beginning and 99.1MB in the end (delta: -46.0MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-11-25 15:33:06,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 57.6MB in the beginning and 57.4MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2208.60ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 53.2MB in the beginning and 99.1MB in the end (delta: -46.0MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8471]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: __iwl_err 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_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b11fc97597f608f59dd58b7455952e5878fc7ad4dea7505ca992e4e557a36fe --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:33:08,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:33:08,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:33:08,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:33:08,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:33:08,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:33:08,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:33:08,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:33:08,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:33:08,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:33:08,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:33:08,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:33:08,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:33:08,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:33:08,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:33:08,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:33:08,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:33:08,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:33:08,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:33:08,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:33:08,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:33:08,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:33:08,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:33:08,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:33:08,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:33:08,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:33:08,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:33:08,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:33:08,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:33:08,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:33:08,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:33:08,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:33:08,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:33:08,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:33:08,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:33:08,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:33:08,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:33:08,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:33:08,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:33:08,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:33:08,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:33:08,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-11-25 15:33:08,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:33:08,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:33:08,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:33:08,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:33:08,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:33:08,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:33:08,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:33:08,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:33:08,592 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:33:08,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:33:08,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:33:08,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:33:08,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:33:08,594 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 15:33:08,595 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 15:33:08,595 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 15:33:08,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:33:08,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:33:08,596 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 15:33:08,596 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 15:33:08,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:33:08,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:33:08,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:33:08,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:33:08,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:33:08,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:33:08,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:33:08,598 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 15:33:08,598 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 15:33:08,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:33:08,598 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:33:08,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:33:08,599 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 15:33:08,599 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b11fc97597f608f59dd58b7455952e5878fc7ad4dea7505ca992e4e557a36fe [2022-11-25 15:33:09,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:33:09,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:33:09,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:33:09,046 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:33:09,047 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:33:09,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-11-25 15:33:12,375 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:33:13,389 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:33:13,389 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-11-25 15:33:13,493 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/data/293b20000/2b1b86d7ba234f3288082e48490560dd/FLAG88a7fbd76 [2022-11-25 15:33:13,516 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92caca52-14f3-4579-9bfa-16f860cfe928/bin/uautomizer-ZsLfNo2U6R/data/293b20000/2b1b86d7ba234f3288082e48490560dd [2022-11-25 15:33:13,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:33:13,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:33:13,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:13,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:33:13,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:33:13,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:13" (1/1) ... [2022-11-25 15:33:13,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20743556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:13, skipping insertion in model container [2022-11-25 15:33:13,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:13" (1/1) ... [2022-11-25 15:33:13,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:33:13,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:33:14,596 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7330] [2022-11-25 15:33:14,597 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7331-7332] [2022-11-25 15:33:14,722 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:33:14,744 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:33:14,767 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:33:14,952 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:14,953 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 15:33:14,954 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 15:33:14,955 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 15:33:15,026 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 15:33:15,276 WARN L237 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_92caca52-14f3-4579-9bfa-16f860cfe928/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i[216809,216822] [2022-11-25 15:33:15,623 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:15,625 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:33:15,650 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:15,652 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:33:15,684 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:15,685 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:33:15,704 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:33:15,705 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:33:15,938 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:33:15,946 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:33:15,953 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:33:16,000 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 15:33:16,004 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 15:33:16,009 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2022-11-25 15:33:16,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46f220e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:16, skipping insertion in model container [2022-11-25 15:33:16,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:16,011 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 15:33:16,015 INFO L158 Benchmark]: Toolchain (without parser) took 2493.04ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 56.3MB in the beginning and 50.6MB in the end (delta: 5.7MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-11-25 15:33:16,015 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:33:16,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2489.46ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 56.3MB in the beginning and 50.6MB in the end (delta: 5.7MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-11-25 15:33:16,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2489.46ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 56.3MB in the beginning and 50.6MB in the end (delta: 5.7MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8471]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: __iwl_err 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