./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-irda-vlsi_ir.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh --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 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:39:34,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:39:34,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:39:34,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:39:34,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:39:34,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:39:34,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:39:34,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:39:34,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:39:34,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:39:34,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:39:34,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:39:34,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:39:34,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:39:34,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:39:34,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:39:34,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:39:34,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:39:34,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:39:34,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:39:34,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:39:34,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:39:34,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:39:34,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:39:34,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:39:34,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:39:34,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:39:34,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:39:34,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:39:34,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:39:34,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:39:34,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:39:34,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:39:34,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:39:34,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:39:34,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:39:34,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:39:34,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:39:34,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:39:34,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:39:34,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:39:34,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:39:34,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:39:34,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:39:34,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:39:34,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:39:34,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:39:34,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:39:34,737 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:39:34,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:39:34,737 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:39:34,738 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:39:34,738 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:39:34,738 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:39:34,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:39:34,738 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:39:34,738 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:39:34,739 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:39:34,739 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:39:34,739 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:39:34,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:39:34,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:39:34,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:39:34,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:39:34,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:39:34,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:39:34,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:39:34,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:39:34,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:39:34,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:39:34,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:39:34,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:39:34,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:39:34,741 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:39:34,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:39:34,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:39:34,742 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:39:34,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:39:34,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:39:34,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:39:34,742 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_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 [2022-12-14 12:39:34,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:39:34,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:39:34,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:39:34,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:39:34,957 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:39:34,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-12-14 12:39:37,504 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:39:37,854 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:39:37,855 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-12-14 12:39:37,893 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/data/96296360f/b847f04d57094324bb6830b4aec53506/FLAG2e09449ff [2022-12-14 12:39:38,067 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/data/96296360f/b847f04d57094324bb6830b4aec53506 [2022-12-14 12:39:38,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:39:38,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:39:38,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:39:38,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:39:38,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:39:38,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:39:38" (1/1) ... [2022-12-14 12:39:38,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b765e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:38, skipping insertion in model container [2022-12-14 12:39:38,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:39:38" (1/1) ... [2022-12-14 12:39:38,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:39:38,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:39:38,689 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 12:39:38,704 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:39:38,780 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:38,819 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 12:39:38,822 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 12:39:38,822 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 12:39:38,828 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 12:39:38,833 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 12:39:38,838 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 12:39:38,861 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 12:39:38,865 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:39:38,874 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 12:39:38,893 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 12:39:38,941 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 12:39:38,942 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 12:39:38,950 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:39:38,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:38,972 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 12:39:39,007 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 12:39:39,011 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 12:39:39,063 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 12:39:39,079 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 12:39:39,133 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,134 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-14 12:39:39,165 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,179 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,180 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,180 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,181 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,181 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,182 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,187 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,188 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,189 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,191 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,194 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,197 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,198 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,202 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,203 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,203 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,204 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,210 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,215 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,216 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,217 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,217 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,218 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,218 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,220 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:39,221 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,221 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,222 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,222 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,228 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,230 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,230 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,231 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,231 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,232 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,233 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,233 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,234 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,235 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,235 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,236 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,242 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,243 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,244 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,246 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,246 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,247 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,248 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,249 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,249 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:39,254 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 12:39:39,255 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 12:39:39,263 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,264 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:39,265 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:39,266 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:39,272 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:39,272 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:39,278 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,294 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-12-14 12:39:39,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,295 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,296 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:39:39,297 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 12:39:39,297 WARN L623 FunctionHandler]: Unknown extern function netif_rx_ni [2022-12-14 12:39:39,302 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,311 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:39,312 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,318 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,333 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,336 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:39:39,337 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,339 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,349 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:39,349 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:39:39,350 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 12:39:39,350 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,351 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,354 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,376 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:39:39,377 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:39:39,377 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,393 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,401 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 12:39:39,402 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:39:39,402 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:39,408 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:39:39,413 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,419 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 12:39:39,420 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 12:39:39,420 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 12:39:39,421 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,428 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,433 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 12:39:39,433 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,434 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,435 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,435 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 12:39:39,436 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 12:39:39,436 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:39,437 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,437 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 12:39:39,438 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 12:39:39,443 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 12:39:39,443 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 12:39:39,443 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,444 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,449 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,450 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 12:39:39,451 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 12:39:39,456 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:39:39,456 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,457 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,458 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 12:39:39,459 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,459 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:39:39,460 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 12:39:39,460 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 12:39:39,461 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,461 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 12:39:39,462 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,462 WARN L623 FunctionHandler]: Unknown extern function proc_set_size [2022-12-14 12:39:39,463 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,463 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:39,464 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:39,464 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:39:39,469 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,470 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 12:39:39,471 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:39:39,471 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:39,471 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,476 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,477 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 12:39:39,478 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 12:39:39,478 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:39:39,478 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,479 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:39,480 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 12:39:39,480 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 12:39:39,480 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 12:39:39,480 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:39:39,481 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:39,486 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,487 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 12:39:39,487 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:39,487 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,488 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:39:39,488 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,489 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:39,489 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 12:39:39,489 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 12:39:39,489 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:39,494 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,506 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:39,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:39,508 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 12:39:39,509 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:39:39,514 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:39:39,690 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,690 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,690 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,692 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,692 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:39,694 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:39:39,698 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 12:39:39,698 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 12:39:39,699 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 12:39:39,701 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 12:39:39,701 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 12:39:39,705 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:39:39,706 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 12:39:39,710 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:39,710 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:39,710 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:39,711 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:39,711 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:39,711 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:39,712 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:39:39,712 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:39:39,712 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 12:39:39,712 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 12:39:39,713 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 12:39:39,713 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 12:39:39,713 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 12:39:39,714 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 12:39:39,752 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 12:39:39,752 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 12:39:39,759 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 12:39:40,171 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_66661553-43ab-4b69-9755-40e6bab1b8e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2022-12-14 12:39:40,174 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_66661553-43ab-4b69-9755-40e6bab1b8e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2022-12-14 12:39:40,175 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_66661553-43ab-4b69-9755-40e6bab1b8e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2022-12-14 12:39:40,175 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_66661553-43ab-4b69-9755-40e6bab1b8e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2022-12-14 12:39:40,175 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,186 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,187 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:39:40,209 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:39:40,291 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 12:39:40,292 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:39:40,293 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,297 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 12:39:40,297 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 12:39:40,298 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 12:39:40,299 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 12:39:40,300 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 12:39:40,301 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 12:39:40,303 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 12:39:40,304 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:39:40,304 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 12:39:40,306 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 12:39:40,307 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 12:39:40,307 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 12:39:40,309 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:39:40,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,310 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 12:39:40,311 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 12:39:40,312 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 12:39:40,316 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 12:39:40,316 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 12:39:40,319 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,319 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-14 12:39:40,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,326 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,326 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,326 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,326 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,327 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,327 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,329 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,330 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,330 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,331 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,332 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,334 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,334 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,336 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,336 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,336 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,337 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,339 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,341 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,341 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,342 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,342 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,342 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,342 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,343 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:40,343 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,343 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,344 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,344 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,345 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,345 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,345 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,346 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,346 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,346 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,347 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,347 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,347 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,347 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,348 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,348 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,349 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,349 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,349 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,349 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,350 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,350 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,350 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,351 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,351 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:39:40,351 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 12:39:40,351 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 12:39:40,353 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,353 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:40,354 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:40,354 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:40,355 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:40,355 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:39:40,356 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,359 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-12-14 12:39:40,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,360 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,362 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:39:40,363 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 12:39:40,363 WARN L623 FunctionHandler]: Unknown extern function netif_rx_ni [2022-12-14 12:39:40,363 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,365 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:40,366 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,370 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,371 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:39:40,372 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,372 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,372 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,372 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,375 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:40,375 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:39:40,375 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 12:39:40,376 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,378 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,383 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:39:40,383 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:39:40,383 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,385 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,387 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 12:39:40,388 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:39:40,388 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:40,389 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:39:40,389 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,390 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 12:39:40,400 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 12:39:40,400 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 12:39:40,401 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,401 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,402 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,403 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 12:39:40,403 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,404 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,404 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,404 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 12:39:40,404 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 12:39:40,405 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 12:39:40,405 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,405 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 12:39:40,405 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 12:39:40,406 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 12:39:40,406 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 12:39:40,406 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,407 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,407 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,408 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 12:39:40,408 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 12:39:40,409 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:39:40,410 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,410 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,411 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 12:39:40,411 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,411 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,411 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:39:40,411 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 12:39:40,412 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 12:39:40,412 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,412 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,412 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 12:39:40,413 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,413 WARN L623 FunctionHandler]: Unknown extern function proc_set_size [2022-12-14 12:39:40,413 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,414 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:40,414 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:40,414 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:39:40,415 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,415 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 12:39:40,415 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:39:40,416 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:40,416 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,417 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,417 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 12:39:40,417 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 12:39:40,418 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:39:40,418 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,418 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,418 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:40,418 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 12:39:40,419 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 12:39:40,419 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 12:39:40,419 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:39:40,419 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:40,420 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,420 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 12:39:40,420 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:40,421 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,421 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:39:40,421 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,422 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:40,422 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 12:39:40,422 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 12:39:40,422 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:39:40,423 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,423 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:39:40,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:39:40,424 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 12:39:40,425 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:39:40,425 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:39:40,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,429 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,430 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:39:40,433 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 12:39:40,433 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 12:39:40,433 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 12:39:40,434 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 12:39:40,435 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 12:39:40,438 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:39:40,439 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 12:39:40,445 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:40,445 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:40,445 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:40,445 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:40,445 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:40,446 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:39:40,446 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:39:40,446 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:39:40,447 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 12:39:40,447 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 12:39:40,447 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 12:39:40,447 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 12:39:40,447 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 12:39:40,448 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 12:39:40,449 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 12:39:40,450 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 12:39:40,450 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 12:39:40,463 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_66661553-43ab-4b69-9755-40e6bab1b8e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2022-12-14 12:39:40,464 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_66661553-43ab-4b69-9755-40e6bab1b8e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2022-12-14 12:39:40,464 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_66661553-43ab-4b69-9755-40e6bab1b8e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2022-12-14 12:39:40,464 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_66661553-43ab-4b69-9755-40e6bab1b8e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2022-12-14 12:39:40,465 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,465 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,467 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,467 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,468 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,469 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,470 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:39:40,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:39:40,545 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:39:40,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40 WrapperNode [2022-12-14 12:39:40,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:39:40,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:39:40,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:39:40,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:39:40,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,710 INFO L138 Inliner]: procedures = 451, calls = 2361, calls flagged for inlining = 206, calls inlined = 184, statements flattened = 5317 [2022-12-14 12:39:40,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:39:40,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:39:40,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:39:40,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:39:40,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,858 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:39:40,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:39:40,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:39:40,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:39:40,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (1/1) ... [2022-12-14 12:39:40,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:39:40,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:39:40,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:39:40,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:39:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 12:39:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 12:39:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 12:39:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 12:39:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 12:39:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 12:39:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 12:39:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 12:39:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2022-12-14 12:39:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2022-12-14 12:39:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 12:39:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 12:39:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2022-12-14 12:39:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2022-12-14 12:39:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 12:39:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 12:39:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-12-14 12:39:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-12-14 12:39:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 12:39:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 12:39:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2022-12-14 12:39:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2022-12-14 12:39:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 12:39:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 12:39:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-12-14 12:39:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-12-14 12:39:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 12:39:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 12:39:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2022-12-14 12:39:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2022-12-14 12:39:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2022-12-14 12:39:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2022-12-14 12:39:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 12:39:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 12:39:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 12:39:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 12:39:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-12-14 12:39:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-12-14 12:39:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 12:39:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 12:39:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2022-12-14 12:39:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2022-12-14 12:39:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 12:39:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 12:39:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:39:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-12-14 12:39:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-12-14 12:39:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 12:39:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 12:39:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 12:39:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 12:39:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2022-12-14 12:39:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2022-12-14 12:39:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 12:39:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2022-12-14 12:39:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 12:39:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 12:39:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2022-12-14 12:39:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 12:39:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2022-12-14 12:39:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2022-12-14 12:39:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 12:39:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 12:39:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 12:39:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 12:39:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-12-14 12:39:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-12-14 12:39:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2022-12-14 12:39:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2022-12-14 12:39:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 12:39:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 12:39:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-14 12:39:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-14 12:39:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2022-12-14 12:39:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2022-12-14 12:39:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 12:39:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 12:39:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 12:39:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 12:39:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2022-12-14 12:39:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2022-12-14 12:39:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2022-12-14 12:39:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2022-12-14 12:39:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 12:39:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 12:39:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:39:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 12:39:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 12:39:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2022-12-14 12:39:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2022-12-14 12:39:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 12:39:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 12:39:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:39:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 12:39:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 12:39:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 12:39:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 12:39:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:39:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 12:39:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2022-12-14 12:39:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2022-12-14 12:39:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:39:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:39:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2022-12-14 12:39:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2022-12-14 12:39:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 12:39:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 12:39:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 12:39:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 12:39:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 12:39:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 12:39:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 12:39:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 12:39:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2022-12-14 12:39:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2022-12-14 12:39:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2022-12-14 12:39:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2022-12-14 12:39:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:39:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:39:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 12:39:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 12:39:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 12:39:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 12:39:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 12:39:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 12:39:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-14 12:39:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-14 12:39:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-12-14 12:39:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-12-14 12:39:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2022-12-14 12:39:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2022-12-14 12:39:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 12:39:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 12:39:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 12:39:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 12:39:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 12:39:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 12:39:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 12:39:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 12:39:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2022-12-14 12:39:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 12:39:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 12:39:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2022-12-14 12:39:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2022-12-14 12:39:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-14 12:39:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-12-14 12:39:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-12-14 12:39:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-14 12:39:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-14 12:39:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 12:39:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 12:39:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 12:39:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 12:39:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-14 12:39:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-14 12:39:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 12:39:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 12:39:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 12:39:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 12:39:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2022-12-14 12:39:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2022-12-14 12:39:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2022-12-14 12:39:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2022-12-14 12:39:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 12:39:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 12:39:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 12:39:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 12:39:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 12:39:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 12:39:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 12:39:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 12:39:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:39:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-12-14 12:39:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-12-14 12:39:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 12:39:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 12:39:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2022-12-14 12:39:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2022-12-14 12:39:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 12:39:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 12:39:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 12:39:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 12:39:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2022-12-14 12:39:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2022-12-14 12:39:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 12:39:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 12:39:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2022-12-14 12:39:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2022-12-14 12:39:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2022-12-14 12:39:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2022-12-14 12:39:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2022-12-14 12:39:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2022-12-14 12:39:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 12:39:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 12:39:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2022-12-14 12:39:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2022-12-14 12:39:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-14 12:39:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-14 12:39:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:39:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-12-14 12:39:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-12-14 12:39:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 12:39:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 12:39:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2022-12-14 12:39:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2022-12-14 12:39:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-12-14 12:39:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-12-14 12:39:41,526 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:39:41,529 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:39:41,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 12:39:46,959 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 12:39:47,012 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:39:47,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:39:47,919 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 12:39:47,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:39:47 BoogieIcfgContainer [2022-12-14 12:39:47,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:39:47,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:39:47,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:39:47,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:39:47,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:39:38" (1/3) ... [2022-12-14 12:39:47,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dba9f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:39:47, skipping insertion in model container [2022-12-14 12:39:47,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:39:40" (2/3) ... [2022-12-14 12:39:47,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dba9f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:39:47, skipping insertion in model container [2022-12-14 12:39:47,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:39:47" (3/3) ... [2022-12-14 12:39:47,928 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-12-14 12:39:47,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:39:47,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 12:39:48,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:39:48,025 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;@cd40be9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:39:48,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 12:39:48,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 1426 states, 808 states have (on average 1.271039603960396) internal successors, (1027), 834 states have internal predecessors, (1027), 512 states have call successors, (512), 104 states have call predecessors, (512), 103 states have return successors, (505), 502 states have call predecessors, (505), 505 states have call successors, (505) [2022-12-14 12:39:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 12:39:48,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:39:48,046 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:39:48,047 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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)] === [2022-12-14 12:39:48,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:39:48,052 INFO L85 PathProgramCache]: Analyzing trace with hash 109931579, now seen corresponding path program 1 times [2022-12-14 12:39:48,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:39:48,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211305181] [2022-12-14 12:39:48,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:39:48,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:39:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:39:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-12-14 12:39:48,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:39:48,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211305181] [2022-12-14 12:39:48,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211305181] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:39:48,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:39:48,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:39:48,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119199583] [2022-12-14 12:39:48,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:39:48,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:39:48,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:39:48,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:39:48,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:39:48,752 INFO L87 Difference]: Start difference. First operand has 1426 states, 808 states have (on average 1.271039603960396) internal successors, (1027), 834 states have internal predecessors, (1027), 512 states have call successors, (512), 104 states have call predecessors, (512), 103 states have return successors, (505), 502 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 12:39:51,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:39:51,781 INFO L93 Difference]: Finished difference Result 4095 states and 5949 transitions. [2022-12-14 12:39:51,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:39:51,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 130 [2022-12-14 12:39:51,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:39:51,819 INFO L225 Difference]: With dead ends: 4095 [2022-12-14 12:39:51,820 INFO L226 Difference]: Without dead ends: 2676 [2022-12-14 12:39:51,834 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 [2022-12-14 12:39:51,838 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 1856 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1856 SdHoareTripleChecker+Valid, 4050 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:39:51,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1856 Valid, 4050 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 12:39:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2022-12-14 12:39:52,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2648. [2022-12-14 12:39:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2648 states, 1511 states have (on average 1.2653871608206486) internal successors, (1912), 1566 states have internal predecessors, (1912), 934 states have call successors, (934), 203 states have call predecessors, (934), 200 states have return successors, (937), 916 states have call predecessors, (937), 930 states have call successors, (937) [2022-12-14 12:39:52,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 3783 transitions. [2022-12-14 12:39:52,037 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 3783 transitions. Word has length 130 [2022-12-14 12:39:52,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:39:52,038 INFO L495 AbstractCegarLoop]: Abstraction has 2648 states and 3783 transitions. [2022-12-14 12:39:52,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 12:39:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 3783 transitions. [2022-12-14 12:39:52,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 12:39:52,041 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:39:52,041 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:39:52,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:39:52,042 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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)] === [2022-12-14 12:39:52,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:39:52,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1827992737, now seen corresponding path program 1 times [2022-12-14 12:39:52,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:39:52,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150072857] [2022-12-14 12:39:52,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:39:52,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:39:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:39:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-12-14 12:39:52,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:39:52,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150072857] [2022-12-14 12:39:52,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150072857] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:39:52,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:39:52,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:39:52,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198434161] [2022-12-14 12:39:52,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:39:52,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:39:52,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:39:52,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:39:52,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:39:52,345 INFO L87 Difference]: Start difference. First operand 2648 states and 3783 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 12:39:55,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:39:55,989 INFO L93 Difference]: Finished difference Result 7768 states and 11078 transitions. [2022-12-14 12:39:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:39:55,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 131 [2022-12-14 12:39:55,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:39:56,017 INFO L225 Difference]: With dead ends: 7768 [2022-12-14 12:39:56,017 INFO L226 Difference]: Without dead ends: 5143 [2022-12-14 12:39:56,027 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 [2022-12-14 12:39:56,027 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 1902 mSDsluCounter, 1695 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:39:56,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 3921 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 12:39:56,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5143 states. [2022-12-14 12:39:56,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5143 to 5139. [2022-12-14 12:39:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 2942 states have (on average 1.2607070020394289) internal successors, (3709), 3040 states have internal predecessors, (3709), 1797 states have call successors, (1797), 402 states have call predecessors, (1797), 397 states have return successors, (1807), 1768 states have call predecessors, (1807), 1793 states have call successors, (1807) [2022-12-14 12:39:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 7313 transitions. [2022-12-14 12:39:56,206 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 7313 transitions. Word has length 131 [2022-12-14 12:39:56,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:39:56,207 INFO L495 AbstractCegarLoop]: Abstraction has 5139 states and 7313 transitions. [2022-12-14 12:39:56,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 12:39:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 7313 transitions. [2022-12-14 12:39:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-14 12:39:56,209 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:39:56,209 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:39:56,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:39:56,209 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)] === [2022-12-14 12:39:56,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:39:56,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1031791951, now seen corresponding path program 1 times [2022-12-14 12:39:56,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:39:56,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789673214] [2022-12-14 12:39:56,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:39:56,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:39:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:39:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-12-14 12:39:56,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:39:56,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789673214] [2022-12-14 12:39:56,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789673214] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:39:56,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:39:56,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:39:56,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949637042] [2022-12-14 12:39:56,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:39:56,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:39:56,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:39:56,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:39:56,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:39:56,391 INFO L87 Difference]: Start difference. First operand 5139 states and 7313 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 12:40:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:00,559 INFO L93 Difference]: Finished difference Result 14867 states and 21069 transitions. [2022-12-14 12:40:00,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:00,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 135 [2022-12-14 12:40:00,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:00,607 INFO L225 Difference]: With dead ends: 14867 [2022-12-14 12:40:00,607 INFO L226 Difference]: Without dead ends: 9751 [2022-12-14 12:40:00,628 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 [2022-12-14 12:40:00,629 INFO L413 NwaCegarLoop]: 2199 mSDtfsCounter, 1784 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:00,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 3912 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 12:40:00,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9751 states. [2022-12-14 12:40:01,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9751 to 9719. [2022-12-14 12:40:01,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9719 states, 5570 states have (on average 1.2533213644524237) internal successors, (6981), 5744 states have internal predecessors, (6981), 3359 states have call successors, (3359), 796 states have call predecessors, (3359), 787 states have return successors, (3389), 3296 states have call predecessors, (3389), 3355 states have call successors, (3389) [2022-12-14 12:40:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9719 states to 9719 states and 13729 transitions. [2022-12-14 12:40:01,163 INFO L78 Accepts]: Start accepts. Automaton has 9719 states and 13729 transitions. Word has length 135 [2022-12-14 12:40:01,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:01,163 INFO L495 AbstractCegarLoop]: Abstraction has 9719 states and 13729 transitions. [2022-12-14 12:40:01,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 12:40:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 9719 states and 13729 transitions. [2022-12-14 12:40:01,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-12-14 12:40:01,167 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:01,167 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 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] [2022-12-14 12:40:01,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:40:01,167 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)] === [2022-12-14 12:40:01,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:01,167 INFO L85 PathProgramCache]: Analyzing trace with hash 714662445, now seen corresponding path program 1 times [2022-12-14 12:40:01,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:01,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149187958] [2022-12-14 12:40:01,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:01,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-12-14 12:40:01,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:01,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149187958] [2022-12-14 12:40:01,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149187958] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:01,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:01,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:40:01,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217814584] [2022-12-14 12:40:01,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:01,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:01,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:01,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:01,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:01,446 INFO L87 Difference]: Start difference. First operand 9719 states and 13729 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 12:40:04,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:04,952 INFO L93 Difference]: Finished difference Result 17435 states and 24602 transitions. [2022-12-14 12:40:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:04,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2022-12-14 12:40:04,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:04,981 INFO L225 Difference]: With dead ends: 17435 [2022-12-14 12:40:04,982 INFO L226 Difference]: Without dead ends: 7739 [2022-12-14 12:40:05,005 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 [2022-12-14 12:40:05,005 INFO L413 NwaCegarLoop]: 2448 mSDtfsCounter, 1258 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 4162 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:05,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 4162 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 12:40:05,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7739 states. [2022-12-14 12:40:05,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7739 to 7707. [2022-12-14 12:40:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7707 states, 4447 states have (on average 1.257027209354621) internal successors, (5590), 4596 states have internal predecessors, (5590), 2594 states have call successors, (2594), 672 states have call predecessors, (2594), 663 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-12-14 12:40:05,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7707 states to 7707 states and 10791 transitions. [2022-12-14 12:40:05,252 INFO L78 Accepts]: Start accepts. Automaton has 7707 states and 10791 transitions. Word has length 162 [2022-12-14 12:40:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:05,253 INFO L495 AbstractCegarLoop]: Abstraction has 7707 states and 10791 transitions. [2022-12-14 12:40:05,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 12:40:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 7707 states and 10791 transitions. [2022-12-14 12:40:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-14 12:40:05,255 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:05,255 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 3, 3, 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] [2022-12-14 12:40:05,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:40:05,255 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-12-14 12:40:05,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:05,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1748254922, now seen corresponding path program 1 times [2022-12-14 12:40:05,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:05,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840307072] [2022-12-14 12:40:05,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:05,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2022-12-14 12:40:05,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:05,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840307072] [2022-12-14 12:40:05,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840307072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:05,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:05,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:05,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926536635] [2022-12-14 12:40:05,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:05,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:05,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:05,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:05,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:05,599 INFO L87 Difference]: Start difference. First operand 7707 states and 10791 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 12:40:09,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:09,516 INFO L93 Difference]: Finished difference Result 7713 states and 10796 transitions. [2022-12-14 12:40:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:09,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2022-12-14 12:40:09,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:09,541 INFO L225 Difference]: With dead ends: 7713 [2022-12-14 12:40:09,541 INFO L226 Difference]: Without dead ends: 7711 [2022-12-14 12:40:09,545 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 [2022-12-14 12:40:09,545 INFO L413 NwaCegarLoop]: 1751 mSDtfsCounter, 1966 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 5239 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:09,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 5239 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 12:40:09,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7711 states. [2022-12-14 12:40:09,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7711 to 7711. [2022-12-14 12:40:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7711 states, 4450 states have (on average 1.2568539325842696) internal successors, (5593), 4599 states have internal predecessors, (5593), 2594 states have call successors, (2594), 673 states have call predecessors, (2594), 664 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-12-14 12:40:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7711 states to 7711 states and 10794 transitions. [2022-12-14 12:40:09,790 INFO L78 Accepts]: Start accepts. Automaton has 7711 states and 10794 transitions. Word has length 168 [2022-12-14 12:40:09,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:09,791 INFO L495 AbstractCegarLoop]: Abstraction has 7711 states and 10794 transitions. [2022-12-14 12:40:09,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 12:40:09,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7711 states and 10794 transitions. [2022-12-14 12:40:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-14 12:40:09,793 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:09,793 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 3, 3, 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] [2022-12-14 12:40:09,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:40:09,794 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-12-14 12:40:09,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:09,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1486102079, now seen corresponding path program 1 times [2022-12-14 12:40:09,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:09,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192952458] [2022-12-14 12:40:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:09,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2022-12-14 12:40:10,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:10,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192952458] [2022-12-14 12:40:10,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192952458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:10,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:10,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:10,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027894993] [2022-12-14 12:40:10,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:10,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:10,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:10,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:10,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:10,113 INFO L87 Difference]: Start difference. First operand 7711 states and 10794 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 12:40:15,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:15,849 INFO L93 Difference]: Finished difference Result 7717 states and 10799 transitions. [2022-12-14 12:40:15,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:15,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2022-12-14 12:40:15,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:15,869 INFO L225 Difference]: With dead ends: 7717 [2022-12-14 12:40:15,869 INFO L226 Difference]: Without dead ends: 7715 [2022-12-14 12:40:15,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:40:15,872 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1961 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:15,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1972 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 12:40:15,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7715 states. [2022-12-14 12:40:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7715 to 7715. [2022-12-14 12:40:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7715 states, 4453 states have (on average 1.2566808892881203) internal successors, (5596), 4602 states have internal predecessors, (5596), 2594 states have call successors, (2594), 674 states have call predecessors, (2594), 665 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-12-14 12:40:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7715 states to 7715 states and 10797 transitions. [2022-12-14 12:40:16,121 INFO L78 Accepts]: Start accepts. Automaton has 7715 states and 10797 transitions. Word has length 173 [2022-12-14 12:40:16,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:16,121 INFO L495 AbstractCegarLoop]: Abstraction has 7715 states and 10797 transitions. [2022-12-14 12:40:16,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 12:40:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 7715 states and 10797 transitions. [2022-12-14 12:40:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-14 12:40:16,123 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:16,123 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 4, 4, 3, 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] [2022-12-14 12:40:16,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:40:16,124 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)] === [2022-12-14 12:40:16,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:16,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1635592056, now seen corresponding path program 1 times [2022-12-14 12:40:16,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:16,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110160489] [2022-12-14 12:40:16,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:16,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2022-12-14 12:40:16,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:16,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110160489] [2022-12-14 12:40:16,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110160489] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:16,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:16,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:16,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844182753] [2022-12-14 12:40:16,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:16,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:16,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:16,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:16,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:16,477 INFO L87 Difference]: Start difference. First operand 7715 states and 10797 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 12:40:21,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:21,405 INFO L93 Difference]: Finished difference Result 7721 states and 10802 transitions. [2022-12-14 12:40:21,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:21,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 183 [2022-12-14 12:40:21,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:21,428 INFO L225 Difference]: With dead ends: 7721 [2022-12-14 12:40:21,428 INFO L226 Difference]: Without dead ends: 7719 [2022-12-14 12:40:21,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:40:21,432 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:21,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 12:40:21,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7719 states. [2022-12-14 12:40:21,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7719 to 7719. [2022-12-14 12:40:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7719 states, 4456 states have (on average 1.256508078994614) internal successors, (5599), 4605 states have internal predecessors, (5599), 2594 states have call successors, (2594), 675 states have call predecessors, (2594), 666 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-12-14 12:40:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7719 states to 7719 states and 10800 transitions. [2022-12-14 12:40:21,725 INFO L78 Accepts]: Start accepts. Automaton has 7719 states and 10800 transitions. Word has length 183 [2022-12-14 12:40:21,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:21,726 INFO L495 AbstractCegarLoop]: Abstraction has 7719 states and 10800 transitions. [2022-12-14 12:40:21,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 12:40:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 7719 states and 10800 transitions. [2022-12-14 12:40:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-14 12:40:21,728 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:21,728 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 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] [2022-12-14 12:40:21,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 12:40:21,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-12-14 12:40:21,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:21,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1633468767, now seen corresponding path program 1 times [2022-12-14 12:40:21,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:21,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822729343] [2022-12-14 12:40:21,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:21,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-12-14 12:40:22,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:22,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822729343] [2022-12-14 12:40:22,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822729343] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:22,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:22,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:22,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131367583] [2022-12-14 12:40:22,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:22,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:22,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:22,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:22,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:22,058 INFO L87 Difference]: Start difference. First operand 7719 states and 10800 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 12:40:26,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:26,452 INFO L93 Difference]: Finished difference Result 7725 states and 10805 transitions. [2022-12-14 12:40:26,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:26,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 183 [2022-12-14 12:40:26,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:26,472 INFO L225 Difference]: With dead ends: 7725 [2022-12-14 12:40:26,472 INFO L226 Difference]: Without dead ends: 7723 [2022-12-14 12:40:26,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:40:26,475 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1961 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:26,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 12:40:26,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7723 states. [2022-12-14 12:40:26,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7723 to 7723. [2022-12-14 12:40:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7723 states, 4459 states have (on average 1.2563355012334605) internal successors, (5602), 4608 states have internal predecessors, (5602), 2594 states have call successors, (2594), 676 states have call predecessors, (2594), 667 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-12-14 12:40:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7723 states to 7723 states and 10803 transitions. [2022-12-14 12:40:26,757 INFO L78 Accepts]: Start accepts. Automaton has 7723 states and 10803 transitions. Word has length 183 [2022-12-14 12:40:26,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:26,758 INFO L495 AbstractCegarLoop]: Abstraction has 7723 states and 10803 transitions. [2022-12-14 12:40:26,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 12:40:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 7723 states and 10803 transitions. [2022-12-14 12:40:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-12-14 12:40:26,760 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:26,760 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 5, 4, 4, 3, 3, 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] [2022-12-14 12:40:26,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:40:26,760 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-12-14 12:40:26,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:26,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1118202762, now seen corresponding path program 1 times [2022-12-14 12:40:26,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:26,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644069969] [2022-12-14 12:40:26,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:26,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:27,074 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2022-12-14 12:40:27,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:27,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644069969] [2022-12-14 12:40:27,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644069969] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:27,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:27,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:27,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615991890] [2022-12-14 12:40:27,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:27,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:27,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:27,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:27,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:27,077 INFO L87 Difference]: Start difference. First operand 7723 states and 10803 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 12:40:31,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:31,779 INFO L93 Difference]: Finished difference Result 7729 states and 10808 transitions. [2022-12-14 12:40:31,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:31,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2022-12-14 12:40:31,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:31,798 INFO L225 Difference]: With dead ends: 7729 [2022-12-14 12:40:31,798 INFO L226 Difference]: Without dead ends: 7727 [2022-12-14 12:40:31,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:40:31,800 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1961 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:31,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 12:40:31,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7727 states. [2022-12-14 12:40:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7727 to 7727. [2022-12-14 12:40:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7727 states, 4462 states have (on average 1.2561631555356343) internal successors, (5605), 4611 states have internal predecessors, (5605), 2594 states have call successors, (2594), 677 states have call predecessors, (2594), 668 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-12-14 12:40:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7727 states to 7727 states and 10806 transitions. [2022-12-14 12:40:32,118 INFO L78 Accepts]: Start accepts. Automaton has 7727 states and 10806 transitions. Word has length 188 [2022-12-14 12:40:32,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:32,118 INFO L495 AbstractCegarLoop]: Abstraction has 7727 states and 10806 transitions. [2022-12-14 12:40:32,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 12:40:32,118 INFO L276 IsEmpty]: Start isEmpty. Operand 7727 states and 10806 transitions. [2022-12-14 12:40:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-14 12:40:32,120 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:32,120 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 6, 5, 5, 3, 3, 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] [2022-12-14 12:40:32,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:40:32,120 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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)] === [2022-12-14 12:40:32,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:32,121 INFO L85 PathProgramCache]: Analyzing trace with hash -672812159, now seen corresponding path program 1 times [2022-12-14 12:40:32,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:32,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686821329] [2022-12-14 12:40:32,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:32,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-12-14 12:40:32,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:32,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686821329] [2022-12-14 12:40:32,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686821329] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:32,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:32,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:32,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312491751] [2022-12-14 12:40:32,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:32,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:32,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:32,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:32,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:32,429 INFO L87 Difference]: Start difference. First operand 7727 states and 10806 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 12:40:35,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:40:37,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:37,749 INFO L93 Difference]: Finished difference Result 7733 states and 10811 transitions. [2022-12-14 12:40:37,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:37,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 193 [2022-12-14 12:40:37,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:37,779 INFO L225 Difference]: With dead ends: 7733 [2022-12-14 12:40:37,779 INFO L226 Difference]: Without dead ends: 7731 [2022-12-14 12:40:37,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:40:37,781 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1961 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:37,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 12:40:37,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7731 states. [2022-12-14 12:40:38,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7731 to 7731. [2022-12-14 12:40:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7731 states, 4465 states have (on average 1.2559910414333706) internal successors, (5608), 4614 states have internal predecessors, (5608), 2594 states have call successors, (2594), 678 states have call predecessors, (2594), 669 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-12-14 12:40:38,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7731 states to 7731 states and 10809 transitions. [2022-12-14 12:40:38,090 INFO L78 Accepts]: Start accepts. Automaton has 7731 states and 10809 transitions. Word has length 193 [2022-12-14 12:40:38,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:38,090 INFO L495 AbstractCegarLoop]: Abstraction has 7731 states and 10809 transitions. [2022-12-14 12:40:38,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 12:40:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 7731 states and 10809 transitions. [2022-12-14 12:40:38,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-12-14 12:40:38,092 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:38,092 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 7, 6, 6, 4, 4, 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] [2022-12-14 12:40:38,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:40:38,093 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-12-14 12:40:38,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:38,093 INFO L85 PathProgramCache]: Analyzing trace with hash 571486408, now seen corresponding path program 1 times [2022-12-14 12:40:38,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:38,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433122269] [2022-12-14 12:40:38,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:38,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:38,404 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-12-14 12:40:38,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:38,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433122269] [2022-12-14 12:40:38,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433122269] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:38,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:38,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:38,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685968329] [2022-12-14 12:40:38,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:38,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:38,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:38,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:38,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:38,406 INFO L87 Difference]: Start difference. First operand 7731 states and 10809 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 12:40:41,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:40:44,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:44,373 INFO L93 Difference]: Finished difference Result 7737 states and 10814 transitions. [2022-12-14 12:40:44,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:44,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 203 [2022-12-14 12:40:44,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:44,389 INFO L225 Difference]: With dead ends: 7737 [2022-12-14 12:40:44,389 INFO L226 Difference]: Without dead ends: 7735 [2022-12-14 12:40:44,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:40:44,391 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:44,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1966 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 12:40:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7735 states. [2022-12-14 12:40:44,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7735 to 7735. [2022-12-14 12:40:44,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7735 states, 4468 states have (on average 1.2558191584601612) internal successors, (5611), 4617 states have internal predecessors, (5611), 2594 states have call successors, (2594), 679 states have call predecessors, (2594), 670 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-12-14 12:40:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 10812 transitions. [2022-12-14 12:40:44,735 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 10812 transitions. Word has length 203 [2022-12-14 12:40:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:44,736 INFO L495 AbstractCegarLoop]: Abstraction has 7735 states and 10812 transitions. [2022-12-14 12:40:44,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 12:40:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 10812 transitions. [2022-12-14 12:40:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-14 12:40:44,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:44,738 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 8, 7, 7, 4, 4, 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] [2022-12-14 12:40:44,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 12:40:44,738 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-12-14 12:40:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:44,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1256707601, now seen corresponding path program 1 times [2022-12-14 12:40:44,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:44,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115986674] [2022-12-14 12:40:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-12-14 12:40:45,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:45,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115986674] [2022-12-14 12:40:45,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115986674] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:45,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:45,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:45,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926086101] [2022-12-14 12:40:45,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:45,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:45,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:45,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:45,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:45,010 INFO L87 Difference]: Start difference. First operand 7735 states and 10812 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 12:40:47,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:40:51,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,753 INFO L93 Difference]: Finished difference Result 8726 states and 11990 transitions. [2022-12-14 12:40:51,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:51,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 208 [2022-12-14 12:40:51,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,772 INFO L225 Difference]: With dead ends: 8726 [2022-12-14 12:40:51,772 INFO L226 Difference]: Without dead ends: 8724 [2022-12-14 12:40:51,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:40:51,775 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 1724 mSDsluCounter, 4373 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 6335 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 12:40:51,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8724 states. [2022-12-14 12:40:52,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8724 to 8724. [2022-12-14 12:40:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8724 states, 5016 states have (on average 1.2509968102073366) internal successors, (6275), 5177 states have internal predecessors, (6275), 2850 states have call successors, (2850), 864 states have call predecessors, (2850), 855 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-12-14 12:40:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8724 states to 8724 states and 11988 transitions. [2022-12-14 12:40:52,189 INFO L78 Accepts]: Start accepts. Automaton has 8724 states and 11988 transitions. Word has length 208 [2022-12-14 12:40:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:52,190 INFO L495 AbstractCegarLoop]: Abstraction has 8724 states and 11988 transitions. [2022-12-14 12:40:52,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 12:40:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 8724 states and 11988 transitions. [2022-12-14 12:40:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-14 12:40:52,192 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:52,192 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 9, 8, 8, 4, 4, 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, 1, 1] [2022-12-14 12:40:52,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 12:40:52,192 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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)] === [2022-12-14 12:40:52,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:52,193 INFO L85 PathProgramCache]: Analyzing trace with hash 399370472, now seen corresponding path program 1 times [2022-12-14 12:40:52,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:52,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462956701] [2022-12-14 12:40:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:52,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-12-14 12:40:52,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:52,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462956701] [2022-12-14 12:40:52,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462956701] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:52,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:52,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:52,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554417228] [2022-12-14 12:40:52,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:52,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:52,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:52,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:52,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:52,517 INFO L87 Difference]: Start difference. First operand 8724 states and 11988 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 12:40:56,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:40:58,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:58,344 INFO L93 Difference]: Finished difference Result 8730 states and 11993 transitions. [2022-12-14 12:40:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:40:58,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 213 [2022-12-14 12:40:58,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:58,361 INFO L225 Difference]: With dead ends: 8730 [2022-12-14 12:40:58,361 INFO L226 Difference]: Without dead ends: 8728 [2022-12-14 12:40:58,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:40:58,364 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:58,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 12:40:58,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8728 states. [2022-12-14 12:40:58,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8728 to 8728. [2022-12-14 12:40:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8728 states, 5019 states have (on average 1.2508467822275353) internal successors, (6278), 5180 states have internal predecessors, (6278), 2850 states have call successors, (2850), 865 states have call predecessors, (2850), 856 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-12-14 12:40:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 11991 transitions. [2022-12-14 12:40:58,791 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 11991 transitions. Word has length 213 [2022-12-14 12:40:58,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:58,792 INFO L495 AbstractCegarLoop]: Abstraction has 8728 states and 11991 transitions. [2022-12-14 12:40:58,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 12:40:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 11991 transitions. [2022-12-14 12:40:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-12-14 12:40:58,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:58,794 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 10, 9, 9, 4, 4, 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, 1, 1, 1] [2022-12-14 12:40:58,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 12:40:58,794 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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)] === [2022-12-14 12:40:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:58,795 INFO L85 PathProgramCache]: Analyzing trace with hash -863128940, now seen corresponding path program 1 times [2022-12-14 12:40:58,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:58,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155802786] [2022-12-14 12:40:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:58,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:59,060 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2022-12-14 12:40:59,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:59,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155802786] [2022-12-14 12:40:59,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155802786] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:59,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:59,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:40:59,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181891917] [2022-12-14 12:40:59,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:59,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:40:59,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:59,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:40:59,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:59,062 INFO L87 Difference]: Start difference. First operand 8728 states and 11991 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 12:41:03,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:41:03,679 INFO L93 Difference]: Finished difference Result 8734 states and 11996 transitions. [2022-12-14 12:41:03,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:41:03,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 219 [2022-12-14 12:41:03,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:41:03,697 INFO L225 Difference]: With dead ends: 8734 [2022-12-14 12:41:03,697 INFO L226 Difference]: Without dead ends: 8732 [2022-12-14 12:41:03,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:41:03,699 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:41:03,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 12:41:03,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8732 states. [2022-12-14 12:41:04,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8732 to 8732. [2022-12-14 12:41:04,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8732 states, 5022 states have (on average 1.2506969334926323) internal successors, (6281), 5183 states have internal predecessors, (6281), 2850 states have call successors, (2850), 866 states have call predecessors, (2850), 857 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-12-14 12:41:04,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 11994 transitions. [2022-12-14 12:41:04,150 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 11994 transitions. Word has length 219 [2022-12-14 12:41:04,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:41:04,150 INFO L495 AbstractCegarLoop]: Abstraction has 8732 states and 11994 transitions. [2022-12-14 12:41:04,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 12:41:04,150 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 11994 transitions. [2022-12-14 12:41:04,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-12-14 12:41:04,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:41:04,153 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 11, 10, 10, 4, 4, 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, 1, 1, 1, 1, 1] [2022-12-14 12:41:04,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 12:41:04,153 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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)] === [2022-12-14 12:41:04,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:41:04,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1906888989, now seen corresponding path program 1 times [2022-12-14 12:41:04,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:41:04,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207672651] [2022-12-14 12:41:04,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:41:04,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:41:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2022-12-14 12:41:04,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:41:04,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207672651] [2022-12-14 12:41:04,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207672651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:41:04,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:41:04,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:41:04,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434721604] [2022-12-14 12:41:04,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:41:04,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:41:04,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:41:04,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:41:04,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:41:04,402 INFO L87 Difference]: Start difference. First operand 8732 states and 11994 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 12:41:07,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:41:10,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:41:10,542 INFO L93 Difference]: Finished difference Result 8738 states and 11999 transitions. [2022-12-14 12:41:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:41:10,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 224 [2022-12-14 12:41:10,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:41:10,559 INFO L225 Difference]: With dead ends: 8738 [2022-12-14 12:41:10,560 INFO L226 Difference]: Without dead ends: 8736 [2022-12-14 12:41:10,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:41:10,562 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:41:10,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 12:41:10,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8736 states. [2022-12-14 12:41:11,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8736 to 8736. [2022-12-14 12:41:11,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8736 states, 5025 states have (on average 1.250547263681592) internal successors, (6284), 5186 states have internal predecessors, (6284), 2850 states have call successors, (2850), 867 states have call predecessors, (2850), 858 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-12-14 12:41:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8736 states to 8736 states and 11997 transitions. [2022-12-14 12:41:11,041 INFO L78 Accepts]: Start accepts. Automaton has 8736 states and 11997 transitions. Word has length 224 [2022-12-14 12:41:11,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:41:11,042 INFO L495 AbstractCegarLoop]: Abstraction has 8736 states and 11997 transitions. [2022-12-14 12:41:11,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 12:41:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 8736 states and 11997 transitions. [2022-12-14 12:41:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-12-14 12:41:11,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:41:11,044 INFO L195 NwaCegarLoop]: trace histogram [14, 12, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:41:11,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 12:41:11,044 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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)] === [2022-12-14 12:41:11,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:41:11,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1576590412, now seen corresponding path program 1 times [2022-12-14 12:41:11,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:41:11,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121395438] [2022-12-14 12:41:11,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:41:11,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:41:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2022-12-14 12:41:11,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:41:11,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121395438] [2022-12-14 12:41:11,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121395438] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:41:11,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:41:11,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:41:11,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060668708] [2022-12-14 12:41:11,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:41:11,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:41:11,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:41:11,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:41:11,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:41:11,310 INFO L87 Difference]: Start difference. First operand 8736 states and 11997 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 12:41:15,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:41:17,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:41:17,034 INFO L93 Difference]: Finished difference Result 8742 states and 12002 transitions. [2022-12-14 12:41:17,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:41:17,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 229 [2022-12-14 12:41:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:41:17,060 INFO L225 Difference]: With dead ends: 8742 [2022-12-14 12:41:17,060 INFO L226 Difference]: Without dead ends: 8738 [2022-12-14 12:41:17,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:41:17,064 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:41:17,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 12:41:17,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8738 states. [2022-12-14 12:41:17,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8738 to 8738. [2022-12-14 12:41:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8738 states, 5027 states have (on average 1.2502486572508453) internal successors, (6285), 5187 states have internal predecessors, (6285), 2850 states have call successors, (2850), 868 states have call predecessors, (2850), 858 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-12-14 12:41:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8738 states to 8738 states and 11998 transitions. [2022-12-14 12:41:17,592 INFO L78 Accepts]: Start accepts. Automaton has 8738 states and 11998 transitions. Word has length 229 [2022-12-14 12:41:17,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:41:17,593 INFO L495 AbstractCegarLoop]: Abstraction has 8738 states and 11998 transitions. [2022-12-14 12:41:17,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 12:41:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 8738 states and 11998 transitions. [2022-12-14 12:41:17,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-12-14 12:41:17,595 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:41:17,595 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:41:17,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 12:41:17,596 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-12-14 12:41:17,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:41:17,596 INFO L85 PathProgramCache]: Analyzing trace with hash -108438292, now seen corresponding path program 1 times [2022-12-14 12:41:17,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:41:17,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458888534] [2022-12-14 12:41:17,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:41:17,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:41:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2022-12-14 12:41:17,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:41:17,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458888534] [2022-12-14 12:41:17,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458888534] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:41:17,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:41:17,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:41:17,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437766555] [2022-12-14 12:41:17,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:41:17,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:41:17,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:41:17,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:41:17,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:41:17,788 INFO L87 Difference]: Start difference. First operand 8738 states and 11998 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 12:41:21,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:41:21,936 INFO L93 Difference]: Finished difference Result 17398 states and 23915 transitions. [2022-12-14 12:41:21,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:41:21,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2022-12-14 12:41:21,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:41:21,957 INFO L225 Difference]: With dead ends: 17398 [2022-12-14 12:41:21,957 INFO L226 Difference]: Without dead ends: 8810 [2022-12-14 12:41:21,972 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 [2022-12-14 12:41:21,973 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 12 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:41:21,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3496 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 12:41:21,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8810 states. [2022-12-14 12:41:22,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8810 to 8746. [2022-12-14 12:41:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8746 states, 5035 states have (on average 1.2498510427010923) internal successors, (6293), 5195 states have internal predecessors, (6293), 2850 states have call successors, (2850), 868 states have call predecessors, (2850), 858 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-12-14 12:41:22,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8746 states to 8746 states and 12006 transitions. [2022-12-14 12:41:22,523 INFO L78 Accepts]: Start accepts. Automaton has 8746 states and 12006 transitions. Word has length 224 [2022-12-14 12:41:22,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:41:22,523 INFO L495 AbstractCegarLoop]: Abstraction has 8746 states and 12006 transitions. [2022-12-14 12:41:22,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 12:41:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 8746 states and 12006 transitions. [2022-12-14 12:41:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-12-14 12:41:22,526 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:41:22,526 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 12, 12, 11, 11, 11, 11, 11, 11, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:41:22,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 12:41:22,526 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-12-14 12:41:22,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:41:22,526 INFO L85 PathProgramCache]: Analyzing trace with hash 69562664, now seen corresponding path program 1 times [2022-12-14 12:41:22,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:41:22,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52345486] [2022-12-14 12:41:22,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:41:22,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:41:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2022-12-14 12:41:22,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:41:22,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52345486] [2022-12-14 12:41:22,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52345486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:41:22,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:41:22,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:41:22,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163558795] [2022-12-14 12:41:22,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:41:22,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:41:22,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:41:22,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:41:22,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:41:22,771 INFO L87 Difference]: Start difference. First operand 8746 states and 12006 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 12:41:26,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:41:27,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:41:27,948 INFO L93 Difference]: Finished difference Result 8746 states and 12006 transitions. [2022-12-14 12:41:27,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:41:27,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 233 [2022-12-14 12:41:27,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:41:27,966 INFO L225 Difference]: With dead ends: 8746 [2022-12-14 12:41:27,966 INFO L226 Difference]: Without dead ends: 8594 [2022-12-14 12:41:27,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:41:27,968 INFO L413 NwaCegarLoop]: 1752 mSDtfsCounter, 1956 mSDsluCounter, 3487 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 5239 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:41:27,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 5239 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 12:41:27,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8594 states. [2022-12-14 12:41:28,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8594 to 8594. [2022-12-14 12:41:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8594 states, 4972 states have (on average 1.247385358004827) internal successors, (6202), 5104 states have internal predecessors, (6202), 2782 states have call successors, (2782), 842 states have call predecessors, (2782), 838 states have return successors, (2799), 2751 states have call predecessors, (2799), 2782 states have call successors, (2799) [2022-12-14 12:41:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8594 states to 8594 states and 11783 transitions. [2022-12-14 12:41:28,513 INFO L78 Accepts]: Start accepts. Automaton has 8594 states and 11783 transitions. Word has length 233 [2022-12-14 12:41:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:41:28,513 INFO L495 AbstractCegarLoop]: Abstraction has 8594 states and 11783 transitions. [2022-12-14 12:41:28,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 12:41:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 8594 states and 11783 transitions. [2022-12-14 12:41:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-12-14 12:41:28,516 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:41:28,516 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:41:28,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 12:41:28,516 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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)] === [2022-12-14 12:41:28,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:41:28,516 INFO L85 PathProgramCache]: Analyzing trace with hash -785510078, now seen corresponding path program 1 times [2022-12-14 12:41:28,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:41:28,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173603744] [2022-12-14 12:41:28,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:41:28,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:41:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2022-12-14 12:41:28,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:41:28,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173603744] [2022-12-14 12:41:28,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173603744] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:41:28,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503363681] [2022-12-14 12:41:28,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:41:28,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:41:28,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:41:28,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:41:28,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:41:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:29,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 3818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:41:29,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:41:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2022-12-14 12:41:29,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:41:29,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503363681] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:41:29,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:41:29,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 12:41:29,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597960893] [2022-12-14 12:41:29,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:41:29,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:41:29,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:41:29,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:41:29,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:41:29,489 INFO L87 Difference]: Start difference. First operand 8594 states and 11783 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-14 12:41:34,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:41:34,696 INFO L93 Difference]: Finished difference Result 19881 states and 27241 transitions. [2022-12-14 12:41:34,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:41:34,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 227 [2022-12-14 12:41:34,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:41:34,722 INFO L225 Difference]: With dead ends: 19881 [2022-12-14 12:41:34,723 INFO L226 Difference]: Without dead ends: 11437 [2022-12-14 12:41:34,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:41:34,738 INFO L413 NwaCegarLoop]: 2572 mSDtfsCounter, 1192 mSDsluCounter, 1662 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 4234 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:41:34,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 4234 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 12:41:34,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11437 states. [2022-12-14 12:41:35,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11437 to 11429. [2022-12-14 12:41:35,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11429 states, 6625 states have (on average 1.248301886792453) internal successors, (8270), 6801 states have internal predecessors, (8270), 3659 states have call successors, (3659), 1147 states have call predecessors, (3659), 1143 states have return successors, (3676), 3622 states have call predecessors, (3676), 3659 states have call successors, (3676) [2022-12-14 12:41:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11429 states to 11429 states and 15605 transitions. [2022-12-14 12:41:35,456 INFO L78 Accepts]: Start accepts. Automaton has 11429 states and 15605 transitions. Word has length 227 [2022-12-14 12:41:35,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:41:35,456 INFO L495 AbstractCegarLoop]: Abstraction has 11429 states and 15605 transitions. [2022-12-14 12:41:35,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-14 12:41:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 11429 states and 15605 transitions. [2022-12-14 12:41:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-12-14 12:41:35,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:41:35,459 INFO L195 NwaCegarLoop]: trace histogram [18, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:41:35,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:41:35,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:41:35,662 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-12-14 12:41:35,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:41:35,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1240099359, now seen corresponding path program 1 times [2022-12-14 12:41:35,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:41:35,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887123776] [2022-12-14 12:41:35,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:41:35,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:41:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2022-12-14 12:41:35,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:41:35,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887123776] [2022-12-14 12:41:35,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887123776] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:41:35,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597627529] [2022-12-14 12:41:35,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:41:35,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:41:35,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:41:35,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:41:35,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66661553-43ab-4b69-9755-40e6bab1b8e4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:41:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:41:36,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 4028 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:41:36,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:41:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 237 proven. 1 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-12-14 12:41:36,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:41:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2022-12-14 12:41:36,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597627529] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:41:36,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1656554936] [2022-12-14 12:41:36,769 INFO L159 IcfgInterpreter]: Started Sifa with 140 locations of interest [2022-12-14 12:41:36,769 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:41:36,772 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:41:36,776 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:41:36,776 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:41:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:43,561 INFO L217 Elim1Store]: Index analysis took 149 ms [2022-12-14 12:41:43,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 95 select indices, 95 select index equivalence classes, 4560 disjoint index pairs (out of 4465 index pairs), introduced 95 new quantified variables, introduced 0 case distinctions, treesize of input 2743 treesize of output 2449 [2022-12-14 12:41:47,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:47,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:47,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 12:41:47,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-12-14 12:41:47,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 12:41:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:47,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:47,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:41:47,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2022-12-14 12:41:48,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 12:46:23,582 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 361 for LOIs [2022-12-14 12:46:27,228 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 2145 for LOIs [2022-12-14 12:46:30,417 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 1950 for LOIs [2022-12-14 12:46:33,139 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:47:25,075 WARN L233 SmtUtils]: Spent 51.51s on a formula simplification that was a NOOP. DAG size: 3205 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:48:29,936 WARN L233 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 2145 DAG size of output: 1957 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:49:33,921 WARN L233 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 2153 DAG size of output: 1966 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:50:01,612 WARN L233 SmtUtils]: Spent 20.93s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:50:21,917 WARN L233 SmtUtils]: Spent 19.50s on a formula simplification that was a NOOP. DAG size: 1946 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:50:42,350 WARN L233 SmtUtils]: Spent 19.36s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:51:01,911 WARN L233 SmtUtils]: Spent 18.63s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:51:21,839 WARN L233 SmtUtils]: Spent 18.98s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:51:40,399 WARN L233 SmtUtils]: Spent 17.57s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:51:58,469 WARN L233 SmtUtils]: Spent 17.07s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:52:17,750 WARN L233 SmtUtils]: Spent 18.22s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:52:39,361 WARN L233 SmtUtils]: Spent 20.46s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:52:58,159 WARN L233 SmtUtils]: Spent 17.62s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:53:17,978 WARN L233 SmtUtils]: Spent 18.56s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)