./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --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 fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:00:25,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:00:25,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:00:25,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:00:25,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:00:25,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:00:25,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:00:25,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:00:25,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:00:25,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:00:25,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:00:25,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:00:25,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:00:25,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:00:25,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:00:25,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:00:25,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:00:25,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:00:25,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:00:25,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:00:25,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:00:25,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:00:25,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:00:25,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:00:25,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:00:25,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:00:25,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:00:25,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:00:25,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:00:25,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:00:25,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:00:25,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:00:25,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:00:25,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:00:25,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:00:25,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:00:25,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:00:25,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:00:25,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:00:25,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:00:25,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:00:25,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:00:25,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:00:25,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:00:25,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:00:25,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:00:25,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:00:25,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:00:25,761 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:00:25,762 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:00:25,762 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:00:25,762 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:00:25,763 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:00:25,763 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:00:25,763 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:00:25,764 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:00:25,764 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:00:25,765 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:00:25,765 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:00:25,765 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:00:25,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:00:25,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:00:25,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:00:25,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:00:25,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:00:25,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:00:25,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:00:25,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:00:25,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:00:25,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:00:25,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:00:25,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:00:25,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:00:25,771 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:00:25,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:00:25,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:00:25,772 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:00:25,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:00:25,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:00:25,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:00:25,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 [2022-11-26 00:00:26,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:00:26,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:00:26,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:00:26,173 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:00:26,174 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:00:26,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-11-26 00:00:29,616 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:00:30,520 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:00:30,522 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-11-26 00:00:30,590 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/data/126c12ee1/a5365acc7f4143cbb785ee2cadcbfea4/FLAG444d288eb [2022-11-26 00:00:30,617 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/data/126c12ee1/a5365acc7f4143cbb785ee2cadcbfea4 [2022-11-26 00:00:30,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:00:30,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:00:30,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:00:30,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:00:30,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:00:30,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:30" (1/1) ... [2022-11-26 00:00:30,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b09b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:30, skipping insertion in model container [2022-11-26 00:00:30,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:30" (1/1) ... [2022-11-26 00:00:30,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:00:30,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:00:32,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,256 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,318 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,321 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:32,943 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:00:32,955 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:00:32,967 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:00:33,001 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:00:33,036 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:33,073 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:00:33,074 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:00:33,086 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:00:33,087 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 00:00:33,093 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:00:33,094 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:00:33,094 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:00:33,095 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-26 00:00:33,140 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:00:33,210 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:00:33,211 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:00:33,224 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:00:33,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,242 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:00:33,334 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:00:33,505 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:33,569 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:33,584 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:33,588 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:33,591 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:33,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,594 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:33,597 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,598 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,599 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,600 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,601 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,608 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,619 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:00:33,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,629 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,641 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,642 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,650 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:00:33,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,666 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:00:33,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,668 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:00:33,669 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:00:33,688 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:00:33,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,689 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:00:33,692 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,694 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-11-26 00:00:33,695 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,697 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:00:33,698 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:00:33,698 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,699 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,703 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,705 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,707 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:00:33,707 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:00:33,708 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:00:33,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,715 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:00:33,715 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:00:33,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,721 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:00:33,722 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:00:33,729 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:00:33,730 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:00:33,737 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,753 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:00:33,756 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:00:33,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,785 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:00:33,792 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,794 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:33,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:33,799 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:00:34,163 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,164 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,164 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,165 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,165 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,165 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,170 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-11-26 00:00:34,172 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-26 00:00:34,175 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:00:34,179 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:00:34,180 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:00:34,189 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:00:34,190 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:00:34,207 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:00:34,208 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:00:34,209 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,210 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,211 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,211 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,212 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,212 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,212 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,213 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,213 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,214 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,214 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,215 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:00:34,215 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:00:34,216 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-11-26 00:00:34,216 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:00:34,218 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:00:34,218 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:00:34,219 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,219 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,220 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:00:34,221 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:00:34,221 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:34,250 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-11-26 00:00:34,251 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-11-26 00:00:34,252 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:34,253 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-11-26 00:00:34,254 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:34,256 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:00:34,312 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:00:34,312 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:00:34,323 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:00:34,976 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_74c20e57-c253-4718-82a1-7191a90a20cc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2022-11-26 00:00:34,981 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_74c20e57-c253-4718-82a1-7191a90a20cc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2022-11-26 00:00:34,982 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_74c20e57-c253-4718-82a1-7191a90a20cc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2022-11-26 00:00:34,983 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_74c20e57-c253-4718-82a1-7191a90a20cc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2022-11-26 00:00:34,984 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,985 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:34,988 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:35,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:00:35,089 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:00:35,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,252 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,282 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,283 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,308 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,308 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,310 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,868 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:00:35,869 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:00:35,869 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:00:35,870 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:00:35,870 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:35,871 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:00:35,871 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:00:35,872 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:00:35,872 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 00:00:35,873 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:00:35,873 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:00:35,874 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:00:35,874 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-26 00:00:35,876 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:00:35,878 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:00:35,879 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:00:35,880 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:00:35,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,881 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:00:35,882 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:00:35,888 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:35,890 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:35,900 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:35,902 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:35,904 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:35,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,905 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:00:35,907 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:35,908 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:35,909 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:35,909 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:35,910 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:35,912 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:35,914 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:00:35,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,916 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:35,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,919 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:35,921 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:35,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,923 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,925 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:00:35,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,930 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,930 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:00:35,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,932 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:00:35,933 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:00:35,935 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:00:35,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,936 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:00:35,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,941 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-11-26 00:00:35,942 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,945 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:00:35,945 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:00:35,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,960 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:00:35,961 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:00:35,961 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:00:35,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,964 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:00:35,964 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:00:35,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,974 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:00:35,978 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:00:35,987 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:00:35,988 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:00:35,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:35,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:36,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:36,009 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:00:36,014 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:00:36,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:36,058 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:00:36,084 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:36,088 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:00:36,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:36,097 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:00:36,103 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,103 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,104 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,104 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,104 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,105 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,105 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,105 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,106 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,106 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,106 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,106 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,107 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,107 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,107 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,110 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-11-26 00:00:36,110 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-26 00:00:36,113 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:00:36,115 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:00:36,116 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:00:36,125 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:00:36,127 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:00:36,140 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:00:36,141 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:00:36,142 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,142 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,143 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,143 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,143 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,143 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,144 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,144 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,144 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,144 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,145 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,145 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:00:36,146 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:00:36,146 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-11-26 00:00:36,146 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:00:36,147 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:00:36,147 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:00:36,148 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,148 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,149 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:00:36,149 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:00:36,150 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:00:36,159 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-11-26 00:00:36,168 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-11-26 00:00:36,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:36,174 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-11-26 00:00:36,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:00:36,186 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:00:36,201 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:00:36,202 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:00:36,202 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:00:36,225 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_74c20e57-c253-4718-82a1-7191a90a20cc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2022-11-26 00:00:36,226 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_74c20e57-c253-4718-82a1-7191a90a20cc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2022-11-26 00:00:36,226 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_74c20e57-c253-4718-82a1-7191a90a20cc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2022-11-26 00:00:36,227 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_74c20e57-c253-4718-82a1-7191a90a20cc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2022-11-26 00:00:36,228 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,248 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,249 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:00:36,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:00:36,535 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:00:36,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36 WrapperNode [2022-11-26 00:00:36,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:00:36,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:00:36,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:00:36,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:00:36,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:36,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:36,851 INFO L138 Inliner]: procedures = 495, calls = 2611, calls flagged for inlining = 242, calls inlined = 227, statements flattened = 5074 [2022-11-26 00:00:36,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:00:36,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:00:36,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:00:36,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:00:36,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:36,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:36,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:36,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:37,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:37,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:37,094 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:37,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:37,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:00:37,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:00:37,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:00:37,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:00:37,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (1/1) ... [2022-11-26 00:00:37,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:00:37,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:00:37,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:00:37,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c20e57-c253-4718-82a1-7191a90a20cc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:00:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-11-26 00:00:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-11-26 00:00:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-26 00:00:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-26 00:00:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2022-11-26 00:00:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2022-11-26 00:00:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:00:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:00:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-11-26 00:00:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-11-26 00:00:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-11-26 00:00:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-11-26 00:00:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 00:00:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 00:00:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:00:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:00:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2022-11-26 00:00:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2022-11-26 00:00:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-11-26 00:00:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-11-26 00:00:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:00:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:00:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2022-11-26 00:00:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2022-11-26 00:00:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-11-26 00:00:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-11-26 00:00:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2022-11-26 00:00:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2022-11-26 00:00:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2022-11-26 00:00:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2022-11-26 00:00:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-26 00:00:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-26 00:00:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-11-26 00:00:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-11-26 00:00:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2022-11-26 00:00:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2022-11-26 00:00:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-11-26 00:00:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-11-26 00:00:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-11-26 00:00:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-11-26 00:00:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-11-26 00:00:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-11-26 00:00:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:00:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:00:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:00:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:00:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-11-26 00:00:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-11-26 00:00:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2022-11-26 00:00:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2022-11-26 00:00:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:00:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-26 00:00:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-26 00:00:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:00:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:00:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:00:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:00:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:00:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2022-11-26 00:00:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2022-11-26 00:00:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2022-11-26 00:00:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2022-11-26 00:00:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:00:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:00:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:00:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-11-26 00:00:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-11-26 00:00:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:00:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-26 00:00:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-26 00:00:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 00:00:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 00:00:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2022-11-26 00:00:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2022-11-26 00:00:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:00:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:00:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:00:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:00:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-11-26 00:00:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-11-26 00:00:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-11-26 00:00:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-11-26 00:00:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 00:00:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 00:00:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-26 00:00:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-26 00:00:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2022-11-26 00:00:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2022-11-26 00:00:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-11-26 00:00:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-11-26 00:00:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:00:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:00:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-26 00:00:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-26 00:00:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-11-26 00:00:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-11-26 00:00:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:00:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 00:00:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 00:00:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-26 00:00:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-26 00:00:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:00:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:00:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:00:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-26 00:00:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-26 00:00:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-11-26 00:00:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-11-26 00:00:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:00:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-11-26 00:00:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-11-26 00:00:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:00:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:00:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-26 00:00:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-26 00:00:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:00:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:00:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2022-11-26 00:00:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2022-11-26 00:00:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-26 00:00:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-26 00:00:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-11-26 00:00:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-11-26 00:00:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-26 00:00:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-26 00:00:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 00:00:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 00:00:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2022-11-26 00:00:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2022-11-26 00:00:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2022-11-26 00:00:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2022-11-26 00:00:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-11-26 00:00:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-11-26 00:00:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2022-11-26 00:00:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2022-11-26 00:00:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-26 00:00:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-26 00:00:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:00:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:00:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-11-26 00:00:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-11-26 00:00:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:00:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:00:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:00:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:00:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-11-26 00:00:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-11-26 00:00:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:00:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:00:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 00:00:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 00:00:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2022-11-26 00:00:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2022-11-26 00:00:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-11-26 00:00:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-11-26 00:00:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2022-11-26 00:00:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2022-11-26 00:00:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:00:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:00:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2022-11-26 00:00:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2022-11-26 00:00:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2022-11-26 00:00:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2022-11-26 00:00:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 00:00:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 00:00:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-11-26 00:00:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-11-26 00:00:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2022-11-26 00:00:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2022-11-26 00:00:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-11-26 00:00:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-11-26 00:00:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-26 00:00:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-26 00:00:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:00:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-11-26 00:00:37,391 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-11-26 00:00:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-11-26 00:00:37,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-11-26 00:00:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:00:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-26 00:00:37,392 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-26 00:00:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-11-26 00:00:37,392 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-11-26 00:00:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:00:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 00:00:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 00:00:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2022-11-26 00:00:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2022-11-26 00:00:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2022-11-26 00:00:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2022-11-26 00:00:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-26 00:00:37,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-26 00:00:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-11-26 00:00:37,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-11-26 00:00:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-11-26 00:00:37,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-11-26 00:00:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:00:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:00:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-26 00:00:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-26 00:00:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-11-26 00:00:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-11-26 00:00:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-11-26 00:00:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-11-26 00:00:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:00:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:00:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-26 00:00:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-26 00:00:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:00:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:00:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2022-11-26 00:00:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2022-11-26 00:00:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2022-11-26 00:00:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2022-11-26 00:00:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:00:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:00:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2022-11-26 00:00:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2022-11-26 00:00:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:00:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-26 00:00:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-26 00:00:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:00:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:00:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2022-11-26 00:00:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2022-11-26 00:00:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2022-11-26 00:00:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2022-11-26 00:00:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-11-26 00:00:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-11-26 00:00:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2022-11-26 00:00:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2022-11-26 00:00:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-26 00:00:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-26 00:00:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2022-11-26 00:00:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2022-11-26 00:00:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2022-11-26 00:00:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2022-11-26 00:00:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:00:37,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:00:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2022-11-26 00:00:37,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2022-11-26 00:00:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-11-26 00:00:37,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-11-26 00:00:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-26 00:00:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-26 00:00:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:00:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:00:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:00:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-26 00:00:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-26 00:00:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:00:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:00:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-26 00:00:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-26 00:00:38,630 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:00:38,634 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:00:39,128 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:00:41,581 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1255#1.base, #t~mem1255#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2022-11-26 00:00:41,581 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881: SUMMARY for call lmc_trace(#t~mem1255#1.base, #t~mem1255#1.offset, 129, 0); srcloc: null [2022-11-26 00:00:41,582 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881-1: havoc #t~mem1255#1.base, #t~mem1255#1.offset; [2022-11-26 00:00:47,847 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:00:48,049 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:00:49,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:00:49,760 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:00:49,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:49 BoogieIcfgContainer [2022-11-26 00:00:49,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:00:49,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:00:49,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:00:49,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:00:49,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:30" (1/3) ... [2022-11-26 00:00:49,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29185150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:49, skipping insertion in model container [2022-11-26 00:00:49,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:36" (2/3) ... [2022-11-26 00:00:49,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29185150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:49, skipping insertion in model container [2022-11-26 00:00:49,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:49" (3/3) ... [2022-11-26 00:00:49,783 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-11-26 00:00:49,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:00:49,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-26 00:00:49,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:00:49,957 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2522cfa5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:00:49,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-26 00:00:49,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 2009 states, 1116 states have (on average 1.314516129032258) internal successors, (1467), 1186 states have internal predecessors, (1467), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) [2022-11-26 00:00:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-26 00:00:50,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:50,022 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:50,022 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:00:50,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:50,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1511619702, now seen corresponding path program 1 times [2022-11-26 00:00:50,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:50,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670808026] [2022-11-26 00:00:50,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:50,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2022-11-26 00:00:51,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:51,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670808026] [2022-11-26 00:00:51,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670808026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:51,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:51,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:00:51,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542968949] [2022-11-26 00:00:51,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:51,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:00:51,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:51,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:00:51,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:00:51,382 INFO L87 Difference]: Start difference. First operand has 2009 states, 1116 states have (on average 1.314516129032258) internal successors, (1467), 1186 states have internal predecessors, (1467), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-26 00:00:56,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:00:56,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:56,805 INFO L93 Difference]: Finished difference Result 5883 states and 8922 transitions. [2022-11-26 00:00:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:00:56,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 174 [2022-11-26 00:00:56,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:56,877 INFO L225 Difference]: With dead ends: 5883 [2022-11-26 00:00:56,878 INFO L226 Difference]: Without dead ends: 3894 [2022-11-26 00:00:56,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:00:56,911 INFO L413 NwaCegarLoop]: 3364 mSDtfsCounter, 2863 mSDsluCounter, 2607 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2863 SdHoareTripleChecker+Valid, 5971 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:56,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2863 Valid, 5971 Invalid, 735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-26 00:00:56,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3894 states. [2022-11-26 00:00:57,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3894 to 3890. [2022-11-26 00:00:57,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 2175 states have (on average 1.3103448275862069) internal successors, (2850), 2314 states have internal predecessors, (2850), 1480 states have call successors, (1480), 233 states have call predecessors, (1480), 232 states have return successors, (1476), 1390 states have call predecessors, (1476), 1476 states have call successors, (1476) [2022-11-26 00:00:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 5806 transitions. [2022-11-26 00:00:57,534 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 5806 transitions. Word has length 174 [2022-11-26 00:00:57,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:57,539 INFO L495 AbstractCegarLoop]: Abstraction has 3890 states and 5806 transitions. [2022-11-26 00:00:57,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-26 00:00:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 5806 transitions. [2022-11-26 00:00:57,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-26 00:00:57,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:57,560 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:57,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:00:57,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:00:57,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:57,563 INFO L85 PathProgramCache]: Analyzing trace with hash -749734694, now seen corresponding path program 1 times [2022-11-26 00:00:57,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:57,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051426157] [2022-11-26 00:00:57,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:57,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-11-26 00:00:58,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:58,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051426157] [2022-11-26 00:00:58,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051426157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:58,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:58,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:00:58,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607837608] [2022-11-26 00:00:58,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:58,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:00:58,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:58,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:00:58,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:00:58,085 INFO L87 Difference]: Start difference. First operand 3890 states and 5806 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:01:02,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:02,153 INFO L93 Difference]: Finished difference Result 11350 states and 16960 transitions. [2022-11-26 00:01:02,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:01:02,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 181 [2022-11-26 00:01:02,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:02,242 INFO L225 Difference]: With dead ends: 11350 [2022-11-26 00:01:02,242 INFO L226 Difference]: Without dead ends: 7491 [2022-11-26 00:01:02,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:02,281 INFO L413 NwaCegarLoop]: 3360 mSDtfsCounter, 2730 mSDsluCounter, 2625 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 5985 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:02,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2730 Valid, 5985 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-26 00:01:02,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7491 states. [2022-11-26 00:01:02,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7491 to 7461. [2022-11-26 00:01:02,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7461 states, 4162 states have (on average 1.3092263334935128) internal successors, (5449), 4434 states have internal predecessors, (5449), 2843 states have call successors, (2843), 454 states have call predecessors, (2843), 453 states have return successors, (2863), 2660 states have call predecessors, (2863), 2839 states have call successors, (2863) [2022-11-26 00:01:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7461 states to 7461 states and 11155 transitions. [2022-11-26 00:01:03,000 INFO L78 Accepts]: Start accepts. Automaton has 7461 states and 11155 transitions. Word has length 181 [2022-11-26 00:01:03,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:03,001 INFO L495 AbstractCegarLoop]: Abstraction has 7461 states and 11155 transitions. [2022-11-26 00:01:03,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:01:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 7461 states and 11155 transitions. [2022-11-26 00:01:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-26 00:01:03,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:03,007 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:03,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:01:03,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:01:03,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:03,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1905937143, now seen corresponding path program 1 times [2022-11-26 00:01:03,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:03,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890530788] [2022-11-26 00:01:03,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:03,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-11-26 00:01:03,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:03,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890530788] [2022-11-26 00:01:03,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890530788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:03,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:03,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:01:03,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833877670] [2022-11-26 00:01:03,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:03,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:01:03,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:03,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:01:03,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:03,294 INFO L87 Difference]: Start difference. First operand 7461 states and 11155 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-26 00:01:07,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:07,947 INFO L93 Difference]: Finished difference Result 21045 states and 31407 transitions. [2022-11-26 00:01:07,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:01:07,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 183 [2022-11-26 00:01:07,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:08,121 INFO L225 Difference]: With dead ends: 21045 [2022-11-26 00:01:08,121 INFO L226 Difference]: Without dead ends: 13615 [2022-11-26 00:01:08,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:08,204 INFO L413 NwaCegarLoop]: 3396 mSDtfsCounter, 2429 mSDsluCounter, 2598 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2429 SdHoareTripleChecker+Valid, 5994 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:08,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2429 Valid, 5994 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-26 00:01:08,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13615 states. [2022-11-26 00:01:09,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13615 to 13573. [2022-11-26 00:01:09,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13573 states, 7598 states have (on average 1.3060015793629902) internal successors, (9923), 8108 states have internal predecessors, (9923), 5087 states have call successors, (5087), 886 states have call predecessors, (5087), 885 states have return successors, (5217), 4722 states have call predecessors, (5217), 5083 states have call successors, (5217) [2022-11-26 00:01:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13573 states to 13573 states and 20227 transitions. [2022-11-26 00:01:09,763 INFO L78 Accepts]: Start accepts. Automaton has 13573 states and 20227 transitions. Word has length 183 [2022-11-26 00:01:09,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:09,764 INFO L495 AbstractCegarLoop]: Abstraction has 13573 states and 20227 transitions. [2022-11-26 00:01:09,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-26 00:01:09,765 INFO L276 IsEmpty]: Start isEmpty. Operand 13573 states and 20227 transitions. [2022-11-26 00:01:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-26 00:01:09,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:09,774 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:09,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:01:09,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:01:09,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:09,776 INFO L85 PathProgramCache]: Analyzing trace with hash 672502092, now seen corresponding path program 1 times [2022-11-26 00:01:09,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:09,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44566861] [2022-11-26 00:01:09,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:09,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-11-26 00:01:10,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:10,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44566861] [2022-11-26 00:01:10,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44566861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:10,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:10,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:01:10,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584494129] [2022-11-26 00:01:10,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:10,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:01:10,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:10,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:01:10,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:10,753 INFO L87 Difference]: Start difference. First operand 13573 states and 20227 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-26 00:01:23,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:01:26,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:26,409 INFO L93 Difference]: Finished difference Result 51779 states and 77238 transitions. [2022-11-26 00:01:26,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:01:26,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2022-11-26 00:01:26,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:26,780 INFO L225 Difference]: With dead ends: 51779 [2022-11-26 00:01:26,780 INFO L226 Difference]: Without dead ends: 38237 [2022-11-26 00:01:26,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:26,910 INFO L413 NwaCegarLoop]: 4764 mSDtfsCounter, 7073 mSDsluCounter, 6254 mSDsCounter, 0 mSdLazyCounter, 4604 mSolverCounterSat, 1144 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7344 SdHoareTripleChecker+Valid, 11018 SdHoareTripleChecker+Invalid, 5749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1144 IncrementalHoareTripleChecker+Valid, 4604 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:26,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7344 Valid, 11018 Invalid, 5749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1144 Valid, 4604 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2022-11-26 00:01:26,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38237 states. [2022-11-26 00:01:29,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38237 to 37805. [2022-11-26 00:01:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37805 states, 21222 states have (on average 1.3067100179059468) internal successors, (27731), 22692 states have internal predecessors, (27731), 14111 states have call successors, (14111), 2478 states have call predecessors, (14111), 2469 states have return successors, (14409), 13026 states have call predecessors, (14409), 14107 states have call successors, (14409) [2022-11-26 00:01:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37805 states to 37805 states and 56251 transitions. [2022-11-26 00:01:30,532 INFO L78 Accepts]: Start accepts. Automaton has 37805 states and 56251 transitions. Word has length 186 [2022-11-26 00:01:30,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:30,533 INFO L495 AbstractCegarLoop]: Abstraction has 37805 states and 56251 transitions. [2022-11-26 00:01:30,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-26 00:01:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 37805 states and 56251 transitions. [2022-11-26 00:01:30,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-26 00:01:30,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:30,542 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:30,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:01:30,542 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:01:30,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:30,543 INFO L85 PathProgramCache]: Analyzing trace with hash 605172911, now seen corresponding path program 1 times [2022-11-26 00:01:30,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:30,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246932124] [2022-11-26 00:01:30,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:30,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-11-26 00:01:31,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:31,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246932124] [2022-11-26 00:01:31,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246932124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:31,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:31,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:01:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995964052] [2022-11-26 00:01:31,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:31,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:01:31,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:31,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:01:31,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:31,138 INFO L87 Difference]: Start difference. First operand 37805 states and 56251 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:01:39,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:39,375 INFO L93 Difference]: Finished difference Result 111465 states and 165763 transitions. [2022-11-26 00:01:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:01:39,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 187 [2022-11-26 00:01:39,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:40,399 INFO L225 Difference]: With dead ends: 111465 [2022-11-26 00:01:40,400 INFO L226 Difference]: Without dead ends: 73691 [2022-11-26 00:01:40,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:40,703 INFO L413 NwaCegarLoop]: 3523 mSDtfsCounter, 2883 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 6094 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:40,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2883 Valid, 6094 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:01:40,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73691 states. [2022-11-26 00:01:45,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73691 to 73553. [2022-11-26 00:01:45,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73553 states, 41286 states have (on average 1.307925204669864) internal successors, (53999), 44216 states have internal predecessors, (53999), 27399 states have call successors, (27399), 4882 states have call predecessors, (27399), 4865 states have return successors, (27989), 25214 states have call predecessors, (27989), 27395 states have call successors, (27989) [2022-11-26 00:01:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73553 states to 73553 states and 109387 transitions. [2022-11-26 00:01:46,950 INFO L78 Accepts]: Start accepts. Automaton has 73553 states and 109387 transitions. Word has length 187 [2022-11-26 00:01:46,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:46,951 INFO L495 AbstractCegarLoop]: Abstraction has 73553 states and 109387 transitions. [2022-11-26 00:01:46,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:01:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 73553 states and 109387 transitions. [2022-11-26 00:01:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-26 00:01:46,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:46,968 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:46,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:01:46,968 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:01:46,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:46,969 INFO L85 PathProgramCache]: Analyzing trace with hash -319869424, now seen corresponding path program 1 times [2022-11-26 00:01:46,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:46,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164765784] [2022-11-26 00:01:46,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:46,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2022-11-26 00:01:47,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:47,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164765784] [2022-11-26 00:01:47,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164765784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:47,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:47,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:01:47,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940861471] [2022-11-26 00:01:47,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:47,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:01:47,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:47,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:01:47,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:47,326 INFO L87 Difference]: Start difference. First operand 73553 states and 109387 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-26 00:01:54,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:01:57,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:57,660 INFO L93 Difference]: Finished difference Result 149095 states and 221724 transitions. [2022-11-26 00:01:57,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:01:57,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 209 [2022-11-26 00:01:57,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:58,373 INFO L225 Difference]: With dead ends: 149095 [2022-11-26 00:01:58,373 INFO L226 Difference]: Without dead ends: 75573 [2022-11-26 00:01:59,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:01:59,223 INFO L413 NwaCegarLoop]: 3475 mSDtfsCounter, 2910 mSDsluCounter, 2623 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2910 SdHoareTripleChecker+Valid, 6098 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:59,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2910 Valid, 6098 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-26 00:01:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75573 states. [2022-11-26 00:02:03,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75573 to 75499. [2022-11-26 00:02:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75499 states, 42290 states have (on average 1.3088673445258927) internal successors, (55352), 45377 states have internal predecessors, (55352), 28154 states have call successors, (28154), 5085 states have call predecessors, (28154), 5052 states have return successors, (28744), 25802 states have call predecessors, (28744), 28150 states have call successors, (28744) [2022-11-26 00:02:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75499 states to 75499 states and 112250 transitions. [2022-11-26 00:02:04,345 INFO L78 Accepts]: Start accepts. Automaton has 75499 states and 112250 transitions. Word has length 209 [2022-11-26 00:02:04,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:04,346 INFO L495 AbstractCegarLoop]: Abstraction has 75499 states and 112250 transitions. [2022-11-26 00:02:04,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-26 00:02:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 75499 states and 112250 transitions. [2022-11-26 00:02:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-26 00:02:04,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:04,360 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:04,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:02:04,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:02:04,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:04,362 INFO L85 PathProgramCache]: Analyzing trace with hash 311600425, now seen corresponding path program 1 times [2022-11-26 00:02:04,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:04,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940196699] [2022-11-26 00:02:04,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:04,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1007 trivial. 0 not checked. [2022-11-26 00:02:05,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:05,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940196699] [2022-11-26 00:02:05,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940196699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:05,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:05,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:02:05,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741739540] [2022-11-26 00:02:05,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:05,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:02:05,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:05,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:02:05,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:02:05,463 INFO L87 Difference]: Start difference. First operand 75499 states and 112250 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:02:12,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:12,967 INFO L93 Difference]: Finished difference Result 75505 states and 112255 transitions. [2022-11-26 00:02:12,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:02:12,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 219 [2022-11-26 00:02:12,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:13,636 INFO L225 Difference]: With dead ends: 75505 [2022-11-26 00:02:13,636 INFO L226 Difference]: Without dead ends: 75503 [2022-11-26 00:02:13,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:02:13,703 INFO L413 NwaCegarLoop]: 2622 mSDtfsCounter, 2913 mSDsluCounter, 5230 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2925 SdHoareTripleChecker+Valid, 7852 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:13,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2925 Valid, 7852 Invalid, 1074 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-26 00:02:13,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75503 states.