./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-ethernet-sis-sis900.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:02:06,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:02:06,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:02:06,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:02:06,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:02:06,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:02:06,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:02:06,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:02:06,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:02:06,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:02:06,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:02:06,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:02:06,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:02:06,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:02:06,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:02:06,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:02:06,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:02:06,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:02:06,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:02:06,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:02:06,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:02:06,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:02:06,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:02:06,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:02:06,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:02:06,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:02:06,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:02:06,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:02:06,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:02:06,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:02:06,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:02:06,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:02:06,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:02:06,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:02:06,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:02:06,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:02:06,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:02:06,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:02:06,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:02:06,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:02:06,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:02:06,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 01:02:07,028 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:02:07,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:02:07,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:02:07,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:02:07,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:02:07,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:02:07,030 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:02:07,030 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:02:07,030 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:02:07,031 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:02:07,032 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:02:07,032 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:02:07,032 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:02:07,032 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:02:07,032 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:02:07,033 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:02:07,033 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:02:07,033 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:02:07,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:02:07,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:02:07,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:02:07,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:02:07,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:02:07,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:02:07,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:02:07,035 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:02:07,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:02:07,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:02:07,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:02:07,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:02:07,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:02:07,036 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:02:07,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:02:07,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:02:07,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:02:07,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:02:07,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:02:07,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:02:07,037 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_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b [2022-11-26 01:02:07,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:02:07,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:02:07,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:02:07,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:02:07,383 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:02:07,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2022-11-26 01:02:10,388 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:02:11,090 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:02:11,091 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2022-11-26 01:02:11,152 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/data/8f462464b/8cc953cbf3b740b38b67654d27719be0/FLAGffcdf4f53 [2022-11-26 01:02:11,170 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/data/8f462464b/8cc953cbf3b740b38b67654d27719be0 [2022-11-26 01:02:11,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:02:11,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:02:11,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:11,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:02:11,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:02:11,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:11" (1/1) ... [2022-11-26 01:02:11,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142ae899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:11, skipping insertion in model container [2022-11-26 01:02:11,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:11" (1/1) ... [2022-11-26 01:02:11,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:02:11,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:02:12,249 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 01:02:12,265 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 01:02:12,281 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 01:02:12,297 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 01:02:12,312 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 01:02:12,451 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:12,515 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:02:12,521 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:02:12,523 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 01:02:12,531 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 01:02:12,537 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 01:02:12,562 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 01:02:12,569 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:12,575 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 01:02:12,599 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 01:02:12,639 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 01:02:12,640 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 01:02:12,650 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:12,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:12,686 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 01:02:12,751 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-26 01:02:12,756 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-26 01:02:12,761 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-26 01:02:12,767 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-26 01:02:12,830 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 01:02:12,847 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 01:02:12,912 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 01:02:13,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,029 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-11-26 01:02:13,030 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-11-26 01:02:13,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,033 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-11-26 01:02:13,038 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,039 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,039 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,040 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,040 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,041 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:13,042 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,047 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,048 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,049 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:13,050 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,057 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 01:02:13,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,059 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 01:02:13,060 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 01:02:13,062 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 01:02:13,063 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:02:13,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,070 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,070 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,071 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-11-26 01:02:13,072 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-11-26 01:02:13,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,073 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,075 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 01:02:13,075 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 01:02:13,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,080 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:02:13,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,088 WARN L623 FunctionHandler]: Unknown extern function yield [2022-11-26 01:02:13,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,091 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 01:02:13,091 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:13,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,102 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,103 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,103 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,104 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,104 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,105 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,105 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,105 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,106 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,106 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,107 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,107 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,107 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,108 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,108 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,109 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,110 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,110 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,115 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,116 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,116 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,121 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,121 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,121 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,122 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,124 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,124 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,125 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,125 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,126 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,126 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,126 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,127 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,128 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,128 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,130 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:13,131 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,131 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:13,131 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,132 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,133 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,133 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,133 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,134 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,134 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,135 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:13,135 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,135 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:13,136 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,136 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,138 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 01:02:13,139 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 01:02:13,140 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,141 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,141 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,141 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,142 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 01:02:13,142 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 01:02:13,143 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,144 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,145 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,145 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,146 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,147 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,149 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,150 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,155 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:13,156 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,156 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,167 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:13,168 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 01:02:13,168 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:13,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,170 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 01:02:13,175 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,176 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,177 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,179 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,180 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,182 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,183 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,187 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:13,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,199 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,201 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,202 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,227 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,228 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,230 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:13,231 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,232 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,233 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,235 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,237 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,240 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,242 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,246 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:13,246 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 01:02:13,247 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 01:02:13,247 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 01:02:13,265 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,266 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,287 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,287 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,287 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,288 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,289 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:13,290 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:13,311 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:13,312 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:13,312 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:13,326 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-26 01:02:13,344 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-26 01:02:13,367 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-26 01:02:13,387 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-26 01:02:13,393 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,395 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,400 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,426 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:13,428 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:13,429 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:13,430 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 01:02:13,430 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-26 01:02:13,445 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,445 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,446 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,446 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,446 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,447 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,447 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,447 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,449 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,449 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,450 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,450 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,453 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,454 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,455 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,455 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,461 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:02:13,462 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 01:02:13,462 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 01:02:13,467 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 01:02:13,467 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,468 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,468 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 01:02:13,469 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 01:02:13,473 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 01:02:13,474 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 01:02:13,474 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 01:02:13,474 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,475 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:13,475 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,476 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:13,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:13,747 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,747 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,749 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,749 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,749 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,749 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,750 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:13,752 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 01:02:13,753 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 01:02:13,754 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 01:02:13,757 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 01:02:13,760 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 01:02:13,761 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 01:02:13,769 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 01:02:13,771 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 01:02:13,778 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 01:02:13,778 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 01:02:13,780 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 01:02:13,781 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 01:02:13,781 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 01:02:13,791 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 01:02:13,792 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 01:02:13,792 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 01:02:13,793 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 01:02:13,794 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 01:02:13,794 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 01:02:13,794 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 01:02:13,795 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 01:02:13,844 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 01:02:13,847 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 01:02:13,857 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 01:02:14,347 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_ebad3f9e-516a-48f8-9956-1cc4354e926c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2022-11-26 01:02:14,354 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_ebad3f9e-516a-48f8-9956-1cc4354e926c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2022-11-26 01:02:14,354 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_ebad3f9e-516a-48f8-9956-1cc4354e926c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2022-11-26 01:02:14,355 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_ebad3f9e-516a-48f8-9956-1cc4354e926c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2022-11-26 01:02:14,362 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,363 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,373 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,391 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,391 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:02:14,422 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:02:14,580 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 01:02:14,580 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 01:02:14,581 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 01:02:14,581 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 01:02:14,581 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 01:02:14,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,589 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:02:14,590 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:02:14,591 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 01:02:14,592 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 01:02:14,593 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 01:02:14,596 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 01:02:14,597 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:14,597 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 01:02:14,598 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 01:02:14,600 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 01:02:14,600 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 01:02:14,601 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:14,602 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,604 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 01:02:14,604 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-26 01:02:14,607 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-26 01:02:14,610 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-26 01:02:14,612 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-26 01:02:14,615 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 01:02:14,616 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 01:02:14,618 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 01:02:14,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,623 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-11-26 01:02:14,624 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-11-26 01:02:14,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,626 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-11-26 01:02:14,627 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,627 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,627 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,627 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,628 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,628 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 01:02:14,629 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,629 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,630 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,631 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:02:14,631 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,632 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 01:02:14,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,633 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 01:02:14,639 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 01:02:14,641 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 01:02:14,642 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:02:14,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,646 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,646 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,647 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-11-26 01:02:14,647 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-11-26 01:02:14,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,648 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,652 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 01:02:14,653 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 01:02:14,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,656 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:02:14,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,660 WARN L623 FunctionHandler]: Unknown extern function yield [2022-11-26 01:02:14,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,662 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 01:02:14,662 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:14,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,674 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,674 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,674 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,675 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,682 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,682 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,683 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,683 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,683 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,684 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,684 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,692 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,693 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,693 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,693 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,694 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,694 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,694 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,695 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,695 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,695 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,696 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,696 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,696 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,697 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,698 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,698 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,698 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,699 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,699 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,699 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,700 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,700 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,700 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,701 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,702 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:14,702 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,703 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:14,703 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,703 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,704 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,704 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,704 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,705 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,705 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,705 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:14,705 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,706 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-26 01:02:14,706 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,706 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,710 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 01:02:14,710 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 01:02:14,713 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,714 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,714 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,714 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,714 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 01:02:14,715 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 01:02:14,716 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,716 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,716 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,717 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,717 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,718 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,723 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,723 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,727 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:14,727 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,728 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,735 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:02:14,736 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 01:02:14,736 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:14,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,737 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 01:02:14,738 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,738 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,739 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,739 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,740 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,741 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,741 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,742 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:14,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,747 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,748 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,748 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,748 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,751 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,751 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,753 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:14,753 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,754 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,754 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,762 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,762 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,766 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,774 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:14,775 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 01:02:14,775 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 01:02:14,775 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 01:02:14,779 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,779 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,784 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,784 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,784 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,784 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,785 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:14,786 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 01:02:14,787 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:14,789 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:14,789 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:02:14,791 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-26 01:02:14,791 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-26 01:02:14,792 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-26 01:02:14,792 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-26 01:02:14,793 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,795 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,796 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,800 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:14,801 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:14,801 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 01:02:14,802 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 01:02:14,802 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-26 01:02:14,808 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,808 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,809 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,809 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,810 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,810 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,810 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,810 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,811 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,811 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,812 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,813 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,813 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,813 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,813 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,814 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,814 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,815 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,816 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:02:14,816 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 01:02:14,817 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 01:02:14,818 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 01:02:14,818 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,818 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,818 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 01:02:14,819 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 01:02:14,820 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 01:02:14,820 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 01:02:14,820 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 01:02:14,821 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,821 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 01:02:14,821 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,821 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 01:02:14,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:02:14,869 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,870 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,870 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,870 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,870 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,871 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,871 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,871 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,871 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,871 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,872 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,873 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 01:02:14,874 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 01:02:14,874 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 01:02:14,877 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 01:02:14,879 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 01:02:14,880 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 01:02:14,886 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 01:02:14,888 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 01:02:14,895 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 01:02:14,896 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 01:02:14,900 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 01:02:14,900 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 01:02:14,901 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 01:02:14,901 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 01:02:14,902 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 01:02:14,902 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 01:02:14,903 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 01:02:14,903 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 01:02:14,903 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 01:02:14,904 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 01:02:14,904 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 01:02:14,907 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 01:02:14,907 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 01:02:14,908 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 01:02:14,928 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_ebad3f9e-516a-48f8-9956-1cc4354e926c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2022-11-26 01:02:14,929 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_ebad3f9e-516a-48f8-9956-1cc4354e926c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2022-11-26 01:02:14,929 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_ebad3f9e-516a-48f8-9956-1cc4354e926c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2022-11-26 01:02:14,929 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_ebad3f9e-516a-48f8-9956-1cc4354e926c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2022-11-26 01:02:14,930 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,933 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,934 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,937 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,937 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 01:02:14,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:02:15,168 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:02:15,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15 WrapperNode [2022-11-26 01:02:15,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:15,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:02:15,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:02:15,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:02:15,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,523 INFO L138 Inliner]: procedures = 454, calls = 1956, calls flagged for inlining = 238, calls inlined = 222, statements flattened = 5208 [2022-11-26 01:02:15,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:02:15,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:02:15,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:02:15,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:02:15,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,845 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:02:15,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:02:15,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:02:15,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:02:15,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (1/1) ... [2022-11-26 01:02:15,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:02:15,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:15,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:02:15,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:02:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2022-11-26 01:02:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2022-11-26 01:02:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-26 01:02:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-26 01:02:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-26 01:02:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-26 01:02:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 01:02:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 01:02:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-26 01:02:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-26 01:02:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 01:02:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 01:02:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 01:02:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 01:02:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 01:02:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 01:02:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-26 01:02:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-26 01:02:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 01:02:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 01:02:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-26 01:02:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-26 01:02:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2022-11-26 01:02:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2022-11-26 01:02:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-26 01:02:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-26 01:02:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2022-11-26 01:02:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2022-11-26 01:02:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2022-11-26 01:02:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2022-11-26 01:02:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-26 01:02:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-26 01:02:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-26 01:02:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-26 01:02:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2022-11-26 01:02:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2022-11-26 01:02:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-26 01:02:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-26 01:02:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 01:02:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 01:02:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 01:02:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 01:02:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-26 01:02:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-26 01:02:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-26 01:02:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-26 01:02:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 01:02:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 01:02:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2022-11-26 01:02:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2022-11-26 01:02:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2022-11-26 01:02:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2022-11-26 01:02:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2022-11-26 01:02:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2022-11-26 01:02:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-26 01:02:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-26 01:02:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:02:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2022-11-26 01:02:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2022-11-26 01:02:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2022-11-26 01:02:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2022-11-26 01:02:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 01:02:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 01:02:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sis900_private [2022-11-26 01:02:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sis900_private [2022-11-26 01:02:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 01:02:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 01:02:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 01:02:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 01:02:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2022-11-26 01:02:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2022-11-26 01:02:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:02:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-26 01:02:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-26 01:02:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sis900_private [2022-11-26 01:02:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sis900_private [2022-11-26 01:02:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 01:02:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 01:02:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 01:02:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 01:02:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 01:02:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 01:02:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 01:02:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 01:02:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-26 01:02:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-26 01:02:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2022-11-26 01:02:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2022-11-26 01:02:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2022-11-26 01:02:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2022-11-26 01:02:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 01:02:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 01:02:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:02:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 01:02:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 01:02:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 01:02:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 01:02:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:02:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 01:02:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 01:02:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:02:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-26 01:02:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-26 01:02:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_open [2022-11-26 01:02:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_open [2022-11-26 01:02:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 01:02:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 01:02:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_nway_reset [2022-11-26 01:02:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_nway_reset [2022-11-26 01:02:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-26 01:02:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-26 01:02:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 01:02:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 01:02:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 01:02:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 01:02:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-26 01:02:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-26 01:02:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:02:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:02:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_close [2022-11-26 01:02:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_close [2022-11-26 01:02:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 01:02:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 01:02:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 01:02:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 01:02:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-26 01:02:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-26 01:02:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 01:02:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 01:02:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2022-11-26 01:02:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2022-11-26 01:02:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-26 01:02:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-26 01:02:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 01:02:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 01:02:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-26 01:02:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-26 01:02:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-26 01:02:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-26 01:02:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-11-26 01:02:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-11-26 01:02:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-26 01:02:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-26 01:02:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:02:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-26 01:02:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-26 01:02:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2022-11-26 01:02:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2022-11-26 01:02:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:02:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-26 01:02:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-26 01:02:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2022-11-26 01:02:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2022-11-26 01:02:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 01:02:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-26 01:02:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-26 01:02:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 01:02:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 01:02:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 01:02:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 01:02:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2022-11-26 01:02:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2022-11-26 01:02:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-26 01:02:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-26 01:02:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-26 01:02:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-26 01:02:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2022-11-26 01:02:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2022-11-26 01:02:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-26 01:02:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-26 01:02:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 01:02:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 01:02:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-26 01:02:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-26 01:02:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 01:02:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 01:02:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 01:02:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 01:02:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2022-11-26 01:02:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2022-11-26 01:02:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:02:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 01:02:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 01:02:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-26 01:02:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-26 01:02:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2022-11-26 01:02:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2022-11-26 01:02:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2022-11-26 01:02:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2022-11-26 01:02:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 01:02:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 01:02:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-26 01:02:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-26 01:02:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-26 01:02:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-26 01:02:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:02:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 01:02:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 01:02:16,915 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:02:16,922 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:02:17,394 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 01:02:20,806 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 01:02:20,926 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:02:22,609 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:02:22,609 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 01:02:22,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:22 BoogieIcfgContainer [2022-11-26 01:02:22,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:02:22,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:02:22,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:02:22,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:02:22,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:02:11" (1/3) ... [2022-11-26 01:02:22,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131c37bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:02:22, skipping insertion in model container [2022-11-26 01:02:22,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:15" (2/3) ... [2022-11-26 01:02:22,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131c37bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:02:22, skipping insertion in model container [2022-11-26 01:02:22,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:22" (3/3) ... [2022-11-26 01:02:22,628 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2022-11-26 01:02:22,649 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:02:22,649 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-26 01:02:22,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:02:22,764 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;@5b249588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:02:22,765 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-26 01:02:22,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 1444 states, 823 states have (on average 1.2940461725394896) internal successors, (1065), 850 states have internal predecessors, (1065), 526 states have call successors, (526), 93 states have call predecessors, (526), 92 states have return successors, (520), 512 states have call predecessors, (520), 520 states have call successors, (520) [2022-11-26 01:02:22,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-26 01:02:22,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:22,812 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] [2022-11-26 01:02:22,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:02:22,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:22,820 INFO L85 PathProgramCache]: Analyzing trace with hash -477873918, now seen corresponding path program 1 times [2022-11-26 01:02:22,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:22,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329858828] [2022-11-26 01:02:22,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:22,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-26 01:02:23,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:23,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329858828] [2022-11-26 01:02:23,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329858828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:23,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:23,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:23,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001779974] [2022-11-26 01:02:23,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:23,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:23,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:23,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:23,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:23,630 INFO L87 Difference]: Start difference. First operand has 1444 states, 823 states have (on average 1.2940461725394896) internal successors, (1065), 850 states have internal predecessors, (1065), 526 states have call successors, (526), 93 states have call predecessors, (526), 92 states have return successors, (520), 512 states have call predecessors, (520), 520 states have call successors, (520) 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) [2022-11-26 01:02:27,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:29,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:29,782 INFO L93 Difference]: Finished difference Result 4019 states and 5936 transitions. [2022-11-26 01:02:29,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:29,785 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 [2022-11-26 01:02:29,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:29,821 INFO L225 Difference]: With dead ends: 4019 [2022-11-26 01:02:29,821 INFO L226 Difference]: Without dead ends: 2588 [2022-11-26 01:02:29,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:29,835 INFO L413 NwaCegarLoop]: 2224 mSDtfsCounter, 1686 mSDsluCounter, 1782 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1686 SdHoareTripleChecker+Valid, 4006 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:29,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1686 Valid, 4006 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 591 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-26 01:02:29,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2022-11-26 01:02:30,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2584. [2022-11-26 01:02:30,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2584 states, 1484 states have (on average 1.284366576819407) internal successors, (1906), 1531 states have internal predecessors, (1906), 922 states have call successors, (922), 176 states have call predecessors, (922), 175 states have return successors, (918), 904 states have call predecessors, (918), 918 states have call successors, (918) [2022-11-26 01:02:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 3746 transitions. [2022-11-26 01:02:30,127 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 3746 transitions. Word has length 131 [2022-11-26 01:02:30,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:30,128 INFO L495 AbstractCegarLoop]: Abstraction has 2584 states and 3746 transitions. [2022-11-26 01:02:30,128 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) [2022-11-26 01:02:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3746 transitions. [2022-11-26 01:02:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-26 01:02:30,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:30,144 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] [2022-11-26 01:02:30,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:02:30,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:02:30,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:30,145 INFO L85 PathProgramCache]: Analyzing trace with hash -521482299, now seen corresponding path program 1 times [2022-11-26 01:02:30,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:30,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220407192] [2022-11-26 01:02:30,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:30,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-26 01:02:30,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:30,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220407192] [2022-11-26 01:02:30,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220407192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:30,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:30,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:30,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403686038] [2022-11-26 01:02:30,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:30,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:30,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:30,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:30,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:30,552 INFO L87 Difference]: Start difference. First operand 2584 states and 3746 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 01:02:36,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:36,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:36,780 INFO L93 Difference]: Finished difference Result 7612 states and 11040 transitions. [2022-11-26 01:02:36,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:36,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 135 [2022-11-26 01:02:36,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:36,821 INFO L225 Difference]: With dead ends: 7612 [2022-11-26 01:02:36,822 INFO L226 Difference]: Without dead ends: 5051 [2022-11-26 01:02:36,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:36,839 INFO L413 NwaCegarLoop]: 2310 mSDtfsCounter, 2028 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 4056 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:36,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 4056 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 575 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-26 01:02:36,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5051 states. [2022-11-26 01:02:37,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5051 to 5022. [2022-11-26 01:02:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5022 states, 2893 states have (on average 1.2858624265468372) internal successors, (3720), 2989 states have internal predecessors, (3720), 1782 states have call successors, (1782), 349 states have call predecessors, (1782), 344 states have return successors, (1783), 1737 states have call predecessors, (1783), 1778 states have call successors, (1783) [2022-11-26 01:02:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5022 states to 5022 states and 7285 transitions. [2022-11-26 01:02:37,261 INFO L78 Accepts]: Start accepts. Automaton has 5022 states and 7285 transitions. Word has length 135 [2022-11-26 01:02:37,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:37,262 INFO L495 AbstractCegarLoop]: Abstraction has 5022 states and 7285 transitions. [2022-11-26 01:02:37,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 01:02:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 5022 states and 7285 transitions. [2022-11-26 01:02:37,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-26 01:02:37,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:37,267 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, 1, 1] [2022-11-26 01:02:37,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:02:37,267 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:02:37,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1347912575, now seen corresponding path program 1 times [2022-11-26 01:02:37,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:37,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376479255] [2022-11-26 01:02:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:37,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-26 01:02:37,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:37,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376479255] [2022-11-26 01:02:37,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376479255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:37,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:37,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:37,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708113390] [2022-11-26 01:02:37,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:37,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:37,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:37,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:37,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:37,518 INFO L87 Difference]: Start difference. First operand 5022 states and 7285 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 01:02:39,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:42,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:43,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:45,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:45,560 INFO L93 Difference]: Finished difference Result 11614 states and 16742 transitions. [2022-11-26 01:02:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:45,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2022-11-26 01:02:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:45,611 INFO L225 Difference]: With dead ends: 11614 [2022-11-26 01:02:45,612 INFO L226 Difference]: Without dead ends: 6615 [2022-11-26 01:02:45,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:45,642 INFO L413 NwaCegarLoop]: 2169 mSDtfsCounter, 1442 mSDsluCounter, 1743 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1442 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:45,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1442 Valid, 3912 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 608 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-11-26 01:02:45,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6615 states. [2022-11-26 01:02:46,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6615 to 6589. [2022-11-26 01:02:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6589 states, 3737 states have (on average 1.2627776291142627) internal successors, (4719), 3869 states have internal predecessors, (4719), 2357 states have call successors, (2357), 500 states have call predecessors, (2357), 492 states have return successors, (2361), 2295 states have call predecessors, (2361), 2353 states have call successors, (2361) [2022-11-26 01:02:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6589 states to 6589 states and 9437 transitions. [2022-11-26 01:02:46,141 INFO L78 Accepts]: Start accepts. Automaton has 6589 states and 9437 transitions. Word has length 137 [2022-11-26 01:02:46,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:46,142 INFO L495 AbstractCegarLoop]: Abstraction has 6589 states and 9437 transitions. [2022-11-26 01:02:46,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 01:02:46,143 INFO L276 IsEmpty]: Start isEmpty. Operand 6589 states and 9437 transitions. [2022-11-26 01:02:46,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-26 01:02:46,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:46,147 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] [2022-11-26 01:02:46,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 01:02:46,147 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:02:46,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:46,148 INFO L85 PathProgramCache]: Analyzing trace with hash -702942079, now seen corresponding path program 1 times [2022-11-26 01:02:46,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:46,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807521108] [2022-11-26 01:02:46,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:46,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:46,843 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-11-26 01:02:46,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:46,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807521108] [2022-11-26 01:02:46,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807521108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:46,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:46,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:02:46,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272059833] [2022-11-26 01:02:46,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:46,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:02:46,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:46,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:02:46,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:02:46,846 INFO L87 Difference]: Start difference. First operand 6589 states and 9437 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 01:02:50,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:55,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:02,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:02,168 INFO L93 Difference]: Finished difference Result 16667 states and 23816 transitions. [2022-11-26 01:03:02,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:03:02,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 144 [2022-11-26 01:03:02,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:02,245 INFO L225 Difference]: With dead ends: 16667 [2022-11-26 01:03:02,246 INFO L226 Difference]: Without dead ends: 10101 [2022-11-26 01:03:02,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:03:02,282 INFO L413 NwaCegarLoop]: 3021 mSDtfsCounter, 5375 mSDsluCounter, 2788 mSDsCounter, 0 mSdLazyCounter, 2713 mSolverCounterSat, 2116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5477 SdHoareTripleChecker+Valid, 5809 SdHoareTripleChecker+Invalid, 4829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2116 IncrementalHoareTripleChecker+Valid, 2713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:02,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5477 Valid, 5809 Invalid, 4829 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2116 Valid, 2713 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-11-26 01:03:02,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10101 states. [2022-11-26 01:03:03,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10101 to 10031. [2022-11-26 01:03:03,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10031 states, 5802 states have (on average 1.2692175112030335) internal successors, (7364), 5990 states have internal predecessors, (7364), 3439 states have call successors, (3439), 806 states have call predecessors, (3439), 787 states have return successors, (3441), 3337 states have call predecessors, (3441), 3435 states have call successors, (3441) [2022-11-26 01:03:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 14244 transitions. [2022-11-26 01:03:03,163 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 14244 transitions. Word has length 144 [2022-11-26 01:03:03,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:03,165 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 14244 transitions. [2022-11-26 01:03:03,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 01:03:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 14244 transitions. [2022-11-26 01:03:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-26 01:03:03,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:03,171 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 4, 4, 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] [2022-11-26 01:03:03,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 01:03:03,172 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)] === [2022-11-26 01:03:03,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:03,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1622265951, now seen corresponding path program 1 times [2022-11-26 01:03:03,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:03,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235910365] [2022-11-26 01:03:03,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:03,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-11-26 01:03:03,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:03,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235910365] [2022-11-26 01:03:03,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235910365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:03,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:03,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:03,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940020098] [2022-11-26 01:03:03,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:03,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:03,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:03,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:03,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:03,721 INFO L87 Difference]: Start difference. First operand 10031 states and 14244 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, (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) [2022-11-26 01:03:10,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:12,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:13,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:13,290 INFO L93 Difference]: Finished difference Result 13915 states and 19648 transitions. [2022-11-26 01:03:13,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:03:13,291 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, (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 [2022-11-26 01:03:13,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:13,371 INFO L225 Difference]: With dead ends: 13915 [2022-11-26 01:03:13,371 INFO L226 Difference]: Without dead ends: 13913 [2022-11-26 01:03:13,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:03:13,382 INFO L413 NwaCegarLoop]: 2165 mSDtfsCounter, 1433 mSDsluCounter, 6083 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 8248 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:13,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 8248 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1162 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-26 01:03:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13913 states. [2022-11-26 01:03:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13913 to 13907. [2022-11-26 01:03:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13907 states, 7993 states have (on average 1.260477918178406) internal successors, (10075), 8257 states have internal predecessors, (10075), 4784 states have call successors, (4784), 1155 states have call predecessors, (4784), 1127 states have return successors, (4784), 4640 states have call predecessors, (4784), 4776 states have call successors, (4784) [2022-11-26 01:03:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13907 states to 13907 states and 19643 transitions. [2022-11-26 01:03:14,423 INFO L78 Accepts]: Start accepts. Automaton has 13907 states and 19643 transitions. Word has length 173 [2022-11-26 01:03:14,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:14,424 INFO L495 AbstractCegarLoop]: Abstraction has 13907 states and 19643 transitions. [2022-11-26 01:03:14,424 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, (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) [2022-11-26 01:03:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 13907 states and 19643 transitions. [2022-11-26 01:03:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-26 01:03:14,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:14,429 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 5, 5, 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] [2022-11-26 01:03:14,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 01:03:14,429 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)] === [2022-11-26 01:03:14,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:14,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2027154306, now seen corresponding path program 1 times [2022-11-26 01:03:14,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:14,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420731584] [2022-11-26 01:03:14,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:14,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2022-11-26 01:03:15,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420731584] [2022-11-26 01:03:15,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420731584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:15,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:15,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:15,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796638724] [2022-11-26 01:03:15,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:15,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:15,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:15,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:15,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:15,089 INFO L87 Difference]: Start difference. First operand 13907 states and 19643 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:03:17,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:19,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:22,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:24,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:24,468 INFO L93 Difference]: Finished difference Result 13917 states and 19652 transitions. [2022-11-26 01:03:24,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:03:24,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 182 [2022-11-26 01:03:24,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:24,555 INFO L225 Difference]: With dead ends: 13917 [2022-11-26 01:03:24,556 INFO L226 Difference]: Without dead ends: 13915 [2022-11-26 01:03:24,565 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 [2022-11-26 01:03:24,566 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 2028 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2038 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:24,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2038 Valid, 5375 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 879 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-26 01:03:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13915 states. [2022-11-26 01:03:25,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13915 to 13915. [2022-11-26 01:03:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13915 states, 7999 states have (on average 1.2602825353169147) internal successors, (10081), 8263 states have internal predecessors, (10081), 4784 states have call successors, (4784), 1157 states have call predecessors, (4784), 1129 states have return successors, (4784), 4640 states have call predecessors, (4784), 4776 states have call successors, (4784) [2022-11-26 01:03:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13915 states to 13915 states and 19649 transitions. [2022-11-26 01:03:25,695 INFO L78 Accepts]: Start accepts. Automaton has 13915 states and 19649 transitions. Word has length 182 [2022-11-26 01:03:25,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:25,696 INFO L495 AbstractCegarLoop]: Abstraction has 13915 states and 19649 transitions. [2022-11-26 01:03:25,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:03:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 13915 states and 19649 transitions. [2022-11-26 01:03:25,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-26 01:03:25,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:25,701 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 5, 5, 3, 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] [2022-11-26 01:03:25,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 01:03:25,701 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:03:25,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:25,702 INFO L85 PathProgramCache]: Analyzing trace with hash -482968918, now seen corresponding path program 1 times [2022-11-26 01:03:25,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:25,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554461897] [2022-11-26 01:03:25,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:25,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-26 01:03:26,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:26,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554461897] [2022-11-26 01:03:26,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554461897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:26,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:26,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:26,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388725036] [2022-11-26 01:03:26,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:26,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:26,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:26,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:26,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:26,184 INFO L87 Difference]: Start difference. First operand 13915 states and 19649 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:03:28,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:33,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:36,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:36,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:36,915 INFO L93 Difference]: Finished difference Result 13927 states and 19657 transitions. [2022-11-26 01:03:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:03:36,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 187 [2022-11-26 01:03:36,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:36,993 INFO L225 Difference]: With dead ends: 13927 [2022-11-26 01:03:36,994 INFO L226 Difference]: Without dead ends: 13925 [2022-11-26 01:03:37,005 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 [2022-11-26 01:03:37,006 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 1427 mSDsluCounter, 6083 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 8251 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:37,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 8251 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1162 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-11-26 01:03:37,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13925 states. [2022-11-26 01:03:37,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13925 to 13919. [2022-11-26 01:03:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13919 states, 8002 states have (on average 1.2601849537615597) internal successors, (10084), 8266 states have internal predecessors, (10084), 4784 states have call successors, (4784), 1158 states have call predecessors, (4784), 1130 states have return successors, (4784), 4640 states have call predecessors, (4784), 4776 states have call successors, (4784) [2022-11-26 01:03:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13919 states to 13919 states and 19652 transitions. [2022-11-26 01:03:38,073 INFO L78 Accepts]: Start accepts. Automaton has 13919 states and 19652 transitions. Word has length 187 [2022-11-26 01:03:38,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:38,074 INFO L495 AbstractCegarLoop]: Abstraction has 13919 states and 19652 transitions. [2022-11-26 01:03:38,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:03:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 13919 states and 19652 transitions. [2022-11-26 01:03:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-26 01:03:38,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:38,079 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 4, 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] [2022-11-26 01:03:38,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 01:03:38,079 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)] === [2022-11-26 01:03:38,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash 109263271, now seen corresponding path program 1 times [2022-11-26 01:03:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:38,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283352840] [2022-11-26 01:03:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:38,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-26 01:03:38,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:38,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283352840] [2022-11-26 01:03:38,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283352840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:38,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:38,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:38,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026737667] [2022-11-26 01:03:38,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:38,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:38,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:38,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:38,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:38,670 INFO L87 Difference]: Start difference. First operand 13919 states and 19652 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) [2022-11-26 01:03:41,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:42,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:44,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:47,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:49,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:49,756 INFO L93 Difference]: Finished difference Result 13931 states and 19660 transitions. [2022-11-26 01:03:49,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:03:49,756 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 [2022-11-26 01:03:49,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:49,833 INFO L225 Difference]: With dead ends: 13931 [2022-11-26 01:03:49,833 INFO L226 Difference]: Without dead ends: 13929 [2022-11-26 01:03:49,847 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 [2022-11-26 01:03:49,848 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 1428 mSDsluCounter, 6083 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 8251 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:49,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 8251 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1162 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-11-26 01:03:49,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13929 states. [2022-11-26 01:03:50,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13929 to 13923. [2022-11-26 01:03:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13923 states, 8005 states have (on average 1.2600874453466584) internal successors, (10087), 8269 states have internal predecessors, (10087), 4784 states have call successors, (4784), 1159 states have call predecessors, (4784), 1131 states have return successors, (4784), 4640 states have call predecessors, (4784), 4776 states have call successors, (4784) [2022-11-26 01:03:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13923 states to 13923 states and 19655 transitions. [2022-11-26 01:03:50,958 INFO L78 Accepts]: Start accepts. Automaton has 13923 states and 19655 transitions. Word has length 188 [2022-11-26 01:03:50,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:50,959 INFO L495 AbstractCegarLoop]: Abstraction has 13923 states and 19655 transitions. [2022-11-26 01:03:50,959 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) [2022-11-26 01:03:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 13923 states and 19655 transitions. [2022-11-26 01:03:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-26 01:03:50,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:50,966 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 5, 5, 5, 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] [2022-11-26 01:03:50,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 01:03:50,967 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)] === [2022-11-26 01:03:50,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:50,967 INFO L85 PathProgramCache]: Analyzing trace with hash -164061462, now seen corresponding path program 1 times [2022-11-26 01:03:50,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:50,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987830212] [2022-11-26 01:03:50,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:50,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2022-11-26 01:03:51,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:51,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987830212] [2022-11-26 01:03:51,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987830212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:51,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:51,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:03:51,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445576698] [2022-11-26 01:03:51,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:51,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:51,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:51,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:51,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:51,495 INFO L87 Difference]: Start difference. First operand 13923 states and 19655 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 01:03:54,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:55,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:03:58,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:00,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:00,874 INFO L93 Difference]: Finished difference Result 13935 states and 19663 transitions. [2022-11-26 01:04:00,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:04:00,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 197 [2022-11-26 01:04:00,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:00,940 INFO L225 Difference]: With dead ends: 13935 [2022-11-26 01:04:00,941 INFO L226 Difference]: Without dead ends: 13933 [2022-11-26 01:04:00,953 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 [2022-11-26 01:04:00,954 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 1427 mSDsluCounter, 6083 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 8251 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:00,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 8251 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1162 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-26 01:04:00,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13933 states. [2022-11-26 01:04:01,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13933 to 13927. [2022-11-26 01:04:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13927 states, 8008 states have (on average 1.25999000999001) internal successors, (10090), 8272 states have internal predecessors, (10090), 4784 states have call successors, (4784), 1160 states have call predecessors, (4784), 1132 states have return successors, (4784), 4640 states have call predecessors, (4784), 4776 states have call successors, (4784) [2022-11-26 01:04:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13927 states to 13927 states and 19658 transitions. [2022-11-26 01:04:02,022 INFO L78 Accepts]: Start accepts. Automaton has 13927 states and 19658 transitions. Word has length 197 [2022-11-26 01:04:02,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:02,024 INFO L495 AbstractCegarLoop]: Abstraction has 13927 states and 19658 transitions. [2022-11-26 01:04:02,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 01:04:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 13927 states and 19658 transitions. [2022-11-26 01:04:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-26 01:04:02,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:02,029 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 6, 5, 5, 4, 4, 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] [2022-11-26 01:04:02,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 01:04:02,030 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)] === [2022-11-26 01:04:02,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:02,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1584225703, now seen corresponding path program 1 times [2022-11-26 01:04:02,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:02,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967614434] [2022-11-26 01:04:02,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:02,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2022-11-26 01:04:02,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:02,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967614434] [2022-11-26 01:04:02,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967614434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:02,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:02,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:04:02,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800349727] [2022-11-26 01:04:02,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:02,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:04:02,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:02,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:04:02,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:02,571 INFO L87 Difference]: Start difference. First operand 13927 states and 19658 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 01:04:05,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:06,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:10,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:11,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:11,394 INFO L93 Difference]: Finished difference Result 13937 states and 19667 transitions. [2022-11-26 01:04:11,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:04:11,402 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 198 [2022-11-26 01:04:11,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:11,464 INFO L225 Difference]: With dead ends: 13937 [2022-11-26 01:04:11,464 INFO L226 Difference]: Without dead ends: 13935 [2022-11-26 01:04:11,473 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 [2022-11-26 01:04:11,474 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 2029 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:11,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 5375 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-26 01:04:11,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13935 states. [2022-11-26 01:04:12,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13935 to 13935. [2022-11-26 01:04:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13935 states, 8014 states have (on average 1.2597953581232844) internal successors, (10096), 8278 states have internal predecessors, (10096), 4784 states have call successors, (4784), 1162 states have call predecessors, (4784), 1134 states have return successors, (4784), 4640 states have call predecessors, (4784), 4776 states have call successors, (4784) [2022-11-26 01:04:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13935 states to 13935 states and 19664 transitions. [2022-11-26 01:04:12,314 INFO L78 Accepts]: Start accepts. Automaton has 13935 states and 19664 transitions. Word has length 198 [2022-11-26 01:04:12,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:12,315 INFO L495 AbstractCegarLoop]: Abstraction has 13935 states and 19664 transitions. [2022-11-26 01:04:12,315 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 01:04:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 13935 states and 19664 transitions. [2022-11-26 01:04:12,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-26 01:04:12,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:12,321 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 7, 6, 6, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:04:12,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 01:04:12,322 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)] === [2022-11-26 01:04:12,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:12,322 INFO L85 PathProgramCache]: Analyzing trace with hash 863773482, now seen corresponding path program 1 times [2022-11-26 01:04:12,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:12,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352344199] [2022-11-26 01:04:12,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:12,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-26 01:04:12,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:12,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352344199] [2022-11-26 01:04:12,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352344199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:12,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:12,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:04:12,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139642901] [2022-11-26 01:04:12,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:12,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:04:12,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:12,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:04:12,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:12,806 INFO L87 Difference]: Start difference. First operand 13935 states and 19664 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:04:15,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:17,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:21,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:23,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:23,458 INFO L93 Difference]: Finished difference Result 21564 states and 30485 transitions. [2022-11-26 01:04:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:04:23,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 207 [2022-11-26 01:04:23,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:23,532 INFO L225 Difference]: With dead ends: 21564 [2022-11-26 01:04:23,532 INFO L226 Difference]: Without dead ends: 21562 [2022-11-26 01:04:23,541 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 [2022-11-26 01:04:23,542 INFO L413 NwaCegarLoop]: 2338 mSDtfsCounter, 1524 mSDsluCounter, 6401 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 8739 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:23,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 8739 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1367 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2022-11-26 01:04:23,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21562 states. [2022-11-26 01:04:24,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21562 to 21548. [2022-11-26 01:04:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21548 states, 12375 states have (on average 1.262949494949495) internal successors, (15629), 12803 states have internal predecessors, (15629), 7418 states have call successors, (7418), 1841 states have call predecessors, (7418), 1752 states have return successors, (7423), 7110 states have call predecessors, (7423), 7406 states have call successors, (7423) [2022-11-26 01:04:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21548 states to 21548 states and 30470 transitions. [2022-11-26 01:04:24,736 INFO L78 Accepts]: Start accepts. Automaton has 21548 states and 30470 transitions. Word has length 207 [2022-11-26 01:04:24,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:24,737 INFO L495 AbstractCegarLoop]: Abstraction has 21548 states and 30470 transitions. [2022-11-26 01:04:24,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:04:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 21548 states and 30470 transitions. [2022-11-26 01:04:24,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-26 01:04:24,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:24,744 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 8, 7, 7, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:04:24,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 01:04:24,745 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)] === [2022-11-26 01:04:24,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:24,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1926377022, now seen corresponding path program 1 times [2022-11-26 01:04:24,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:24,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082113644] [2022-11-26 01:04:24,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:24,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-11-26 01:04:25,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:25,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082113644] [2022-11-26 01:04:25,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082113644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:25,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:25,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:04:25,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115029096] [2022-11-26 01:04:25,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:25,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:04:25,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:25,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:04:25,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:25,156 INFO L87 Difference]: Start difference. First operand 21548 states and 30470 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:04:28,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:32,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:34,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:35,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:35,587 INFO L93 Difference]: Finished difference Result 21562 states and 30483 transitions. [2022-11-26 01:04:35,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:04:35,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 212 [2022-11-26 01:04:35,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:35,684 INFO L225 Difference]: With dead ends: 21562 [2022-11-26 01:04:35,685 INFO L226 Difference]: Without dead ends: 21560 [2022-11-26 01:04:35,698 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 [2022-11-26 01:04:35,699 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 2028 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:35,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 5375 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 878 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-11-26 01:04:35,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21560 states. [2022-11-26 01:04:36,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21560 to 21560. [2022-11-26 01:04:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21560 states, 12384 states have (on average 1.2627583979328165) internal successors, (15638), 12812 states have internal predecessors, (15638), 7418 states have call successors, (7418), 1844 states have call predecessors, (7418), 1755 states have return successors, (7423), 7110 states have call predecessors, (7423), 7406 states have call successors, (7423) [2022-11-26 01:04:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21560 states to 21560 states and 30479 transitions. [2022-11-26 01:04:37,036 INFO L78 Accepts]: Start accepts. Automaton has 21560 states and 30479 transitions. Word has length 212 [2022-11-26 01:04:37,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:37,037 INFO L495 AbstractCegarLoop]: Abstraction has 21560 states and 30479 transitions. [2022-11-26 01:04:37,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:04:37,037 INFO L276 IsEmpty]: Start isEmpty. Operand 21560 states and 30479 transitions. [2022-11-26 01:04:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-26 01:04:37,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:37,044 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 9, 8, 8, 5, 5, 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] [2022-11-26 01:04:37,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 01:04:37,044 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)] === [2022-11-26 01:04:37,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:37,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1296030963, now seen corresponding path program 1 times [2022-11-26 01:04:37,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:37,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851368529] [2022-11-26 01:04:37,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:37,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2022-11-26 01:04:37,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:37,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851368529] [2022-11-26 01:04:37,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851368529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:37,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:37,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:04:37,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405670811] [2022-11-26 01:04:37,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:37,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:04:37,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:37,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:04:37,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:37,611 INFO L87 Difference]: Start difference. First operand 21560 states and 30479 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:04:39,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:41,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:42,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:46,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:48,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:49,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:49,956 INFO L93 Difference]: Finished difference Result 21574 states and 30492 transitions. [2022-11-26 01:04:49,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:04:49,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 216 [2022-11-26 01:04:49,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:50,028 INFO L225 Difference]: With dead ends: 21574 [2022-11-26 01:04:50,028 INFO L226 Difference]: Without dead ends: 21572 [2022-11-26 01:04:50,036 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 [2022-11-26 01:04:50,037 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 2028 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:50,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 5375 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 879 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-11-26 01:04:50,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21572 states. [2022-11-26 01:04:51,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21572 to 21572. [2022-11-26 01:04:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21572 states, 12393 states have (on average 1.2625675784717179) internal successors, (15647), 12821 states have internal predecessors, (15647), 7418 states have call successors, (7418), 1847 states have call predecessors, (7418), 1758 states have return successors, (7423), 7110 states have call predecessors, (7423), 7406 states have call successors, (7423) [2022-11-26 01:04:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21572 states to 21572 states and 30488 transitions. [2022-11-26 01:04:51,548 INFO L78 Accepts]: Start accepts. Automaton has 21572 states and 30488 transitions. Word has length 216 [2022-11-26 01:04:51,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:51,548 INFO L495 AbstractCegarLoop]: Abstraction has 21572 states and 30488 transitions. [2022-11-26 01:04:51,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:04:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 21572 states and 30488 transitions. [2022-11-26 01:04:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-26 01:04:51,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:51,556 INFO L195 NwaCegarLoop]: trace histogram [17, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 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] [2022-11-26 01:04:51,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 01:04:51,556 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:04:51,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:51,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1637244844, now seen corresponding path program 1 times [2022-11-26 01:04:51,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:51,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962081122] [2022-11-26 01:04:51,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:51,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2022-11-26 01:04:51,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:51,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962081122] [2022-11-26 01:04:51,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962081122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:51,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:51,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:04:51,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840617448] [2022-11-26 01:04:51,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:51,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:04:51,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:51,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:04:51,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:04:51,812 INFO L87 Difference]: Start difference. First operand 21572 states and 30488 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-26 01:04:54,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:00,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:00,355 INFO L93 Difference]: Finished difference Result 48007 states and 67891 transitions. [2022-11-26 01:05:00,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:05:00,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 214 [2022-11-26 01:05:00,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:00,459 INFO L225 Difference]: With dead ends: 48007 [2022-11-26 01:05:00,459 INFO L226 Difference]: Without dead ends: 26755 [2022-11-26 01:05:00,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:05:00,565 INFO L413 NwaCegarLoop]: 2708 mSDtfsCounter, 1142 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:00,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 4468 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-26 01:05:00,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26755 states. [2022-11-26 01:05:02,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26755 to 26606. [2022-11-26 01:05:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26606 states, 15366 states have (on average 1.262787973447872) internal successors, (19404), 15888 states have internal predecessors, (19404), 9062 states have call successors, (9062), 2286 states have call predecessors, (9062), 2175 states have return successors, (9067), 8676 states have call predecessors, (9067), 9050 states have call successors, (9067) [2022-11-26 01:05:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26606 states to 26606 states and 37533 transitions. [2022-11-26 01:05:02,399 INFO L78 Accepts]: Start accepts. Automaton has 26606 states and 37533 transitions. Word has length 214 [2022-11-26 01:05:02,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:02,400 INFO L495 AbstractCegarLoop]: Abstraction has 26606 states and 37533 transitions. [2022-11-26 01:05:02,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-26 01:05:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 26606 states and 37533 transitions. [2022-11-26 01:05:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-26 01:05:02,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:02,404 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 10, 9, 9, 4, 4, 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] [2022-11-26 01:05:02,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 01:05:02,405 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)] === [2022-11-26 01:05:02,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:02,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1298380199, now seen corresponding path program 1 times [2022-11-26 01:05:02,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:02,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374607971] [2022-11-26 01:05:02,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2022-11-26 01:05:02,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:02,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374607971] [2022-11-26 01:05:02,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374607971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:02,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:02,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:05:02,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599921381] [2022-11-26 01:05:02,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:02,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:05:02,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:02,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:05:02,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:05:02,831 INFO L87 Difference]: Start difference. First operand 26606 states and 37533 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, (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) [2022-11-26 01:05:06,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:08,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:11,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:12,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:12,813 INFO L93 Difference]: Finished difference Result 26618 states and 37541 transitions. [2022-11-26 01:05:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:05:12,814 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, (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 218 [2022-11-26 01:05:12,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:12,939 INFO L225 Difference]: With dead ends: 26618 [2022-11-26 01:05:12,939 INFO L226 Difference]: Without dead ends: 26616 [2022-11-26 01:05:12,953 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 [2022-11-26 01:05:12,954 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 1428 mSDsluCounter, 6083 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 8251 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:12,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 8251 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1162 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-26 01:05:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26616 states. [2022-11-26 01:05:14,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26616 to 26610. [2022-11-26 01:05:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26610 states, 15369 states have (on average 1.2627366777278939) internal successors, (19407), 15891 states have internal predecessors, (19407), 9062 states have call successors, (9062), 2287 states have call predecessors, (9062), 2176 states have return successors, (9067), 8676 states have call predecessors, (9067), 9050 states have call successors, (9067) [2022-11-26 01:05:14,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26610 states to 26610 states and 37536 transitions. [2022-11-26 01:05:14,728 INFO L78 Accepts]: Start accepts. Automaton has 26610 states and 37536 transitions. Word has length 218 [2022-11-26 01:05:14,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:14,728 INFO L495 AbstractCegarLoop]: Abstraction has 26610 states and 37536 transitions. [2022-11-26 01:05:14,728 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, (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) [2022-11-26 01:05:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 26610 states and 37536 transitions. [2022-11-26 01:05:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-26 01:05:14,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:14,731 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 11, 10, 10, 4, 4, 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] [2022-11-26 01:05:14,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 01:05:14,731 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)] === [2022-11-26 01:05:14,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:14,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1786439969, now seen corresponding path program 1 times [2022-11-26 01:05:14,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:14,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760204407] [2022-11-26 01:05:14,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:14,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2022-11-26 01:05:15,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:15,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760204407] [2022-11-26 01:05:15,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760204407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:15,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:15,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:05:15,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980273548] [2022-11-26 01:05:15,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:15,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:05:15,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:15,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:05:15,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:05:15,144 INFO L87 Difference]: Start difference. First operand 26610 states and 37536 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, (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) [2022-11-26 01:05:18,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:23,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:25,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:25,537 INFO L93 Difference]: Finished difference Result 26624 states and 37549 transitions. [2022-11-26 01:05:25,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:05:25,538 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, (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 223 [2022-11-26 01:05:25,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:25,719 INFO L225 Difference]: With dead ends: 26624 [2022-11-26 01:05:25,719 INFO L226 Difference]: Without dead ends: 26620 [2022-11-26 01:05:25,728 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 [2022-11-26 01:05:25,728 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 2029 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:25,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 5375 Invalid, 881 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 879 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-11-26 01:05:25,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26620 states. [2022-11-26 01:05:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26620 to 26620. [2022-11-26 01:05:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26620 states, 15377 states have (on average 1.2625349548026272) internal successors, (19414), 15898 states have internal predecessors, (19414), 9062 states have call successors, (9062), 2290 states have call predecessors, (9062), 2178 states have return successors, (9067), 8676 states have call predecessors, (9067), 9050 states have call successors, (9067) [2022-11-26 01:05:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26620 states to 26620 states and 37543 transitions. [2022-11-26 01:05:27,924 INFO L78 Accepts]: Start accepts. Automaton has 26620 states and 37543 transitions. Word has length 223 [2022-11-26 01:05:27,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:27,924 INFO L495 AbstractCegarLoop]: Abstraction has 26620 states and 37543 transitions. [2022-11-26 01:05:27,925 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, (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) [2022-11-26 01:05:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 26620 states and 37543 transitions. [2022-11-26 01:05:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-11-26 01:05:27,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:27,929 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 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] [2022-11-26 01:05:27,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 01:05:27,930 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:05:27,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:27,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1317733355, now seen corresponding path program 1 times [2022-11-26 01:05:27,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:27,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213264664] [2022-11-26 01:05:27,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:27,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2022-11-26 01:05:28,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:28,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213264664] [2022-11-26 01:05:28,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213264664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:28,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:28,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:05:28,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677357504] [2022-11-26 01:05:28,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:28,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:05:28,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:28,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:05:28,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:05:28,330 INFO L87 Difference]: Start difference. First operand 26620 states and 37543 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:05:34,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:36,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:38,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:38,057 INFO L93 Difference]: Finished difference Result 26626 states and 37546 transitions. [2022-11-26 01:05:38,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:05:38,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 231 [2022-11-26 01:05:38,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:38,268 INFO L225 Difference]: With dead ends: 26626 [2022-11-26 01:05:38,268 INFO L226 Difference]: Without dead ends: 26503 [2022-11-26 01:05:38,277 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 [2022-11-26 01:05:38,278 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 1423 mSDsluCounter, 6085 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 8253 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:38,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1423 Valid, 8253 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1158 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-26 01:05:38,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26503 states. [2022-11-26 01:05:39,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26503 to 26499. [2022-11-26 01:05:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26499 states, 15332 states have (on average 1.261740151317506) internal successors, (19345), 15830 states have internal predecessors, (19345), 8999 states have call successors, (8999), 2269 states have call predecessors, (8999), 2165 states have return successors, (9008), 8644 states have call predecessors, (9008), 8991 states have call successors, (9008) [2022-11-26 01:05:40,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26499 states to 26499 states and 37352 transitions. [2022-11-26 01:05:40,118 INFO L78 Accepts]: Start accepts. Automaton has 26499 states and 37352 transitions. Word has length 231 [2022-11-26 01:05:40,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:40,118 INFO L495 AbstractCegarLoop]: Abstraction has 26499 states and 37352 transitions. [2022-11-26 01:05:40,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-26 01:05:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 26499 states and 37352 transitions. [2022-11-26 01:05:40,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-11-26 01:05:40,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:40,126 INFO L195 NwaCegarLoop]: trace histogram [19, 11, 11, 11, 11, 11, 11, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 01:05:40,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 01:05:40,127 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:05:40,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:40,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1990009144, now seen corresponding path program 1 times [2022-11-26 01:05:40,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:40,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754956941] [2022-11-26 01:05:40,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:40,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-11-26 01:05:41,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:41,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754956941] [2022-11-26 01:05:41,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754956941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:41,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:41,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:05:41,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920931810] [2022-11-26 01:05:41,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:41,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:05:41,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:41,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:05:41,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:05:41,313 INFO L87 Difference]: Start difference. First operand 26499 states and 37352 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 01:05:43,646 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 [] [2022-11-26 01:05:49,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:52,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:52,173 INFO L93 Difference]: Finished difference Result 26516 states and 37367 transitions. [2022-11-26 01:05:52,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:05:52,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 276 [2022-11-26 01:05:52,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:52,268 INFO L225 Difference]: With dead ends: 26516 [2022-11-26 01:05:52,268 INFO L226 Difference]: Without dead ends: 26514 [2022-11-26 01:05:52,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:05:52,281 INFO L413 NwaCegarLoop]: 2364 mSDtfsCounter, 1491 mSDsluCounter, 6470 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 8834 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:52,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 8834 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1362 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-26 01:05:52,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26514 states. [2022-11-26 01:05:54,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26514 to 26499. [2022-11-26 01:05:54,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26499 states, 15332 states have (on average 1.2605661361857552) internal successors, (19327), 15830 states have internal predecessors, (19327), 8999 states have call successors, (8999), 2269 states have call predecessors, (8999), 2165 states have return successors, (9008), 8644 states have call predecessors, (9008), 8991 states have call successors, (9008) [2022-11-26 01:05:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26499 states to 26499 states and 37334 transitions. [2022-11-26 01:05:54,467 INFO L78 Accepts]: Start accepts. Automaton has 26499 states and 37334 transitions. Word has length 276 [2022-11-26 01:05:54,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:54,468 INFO L495 AbstractCegarLoop]: Abstraction has 26499 states and 37334 transitions. [2022-11-26 01:05:54,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 01:05:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 26499 states and 37334 transitions. [2022-11-26 01:05:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-26 01:05:54,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:54,478 INFO L195 NwaCegarLoop]: trace histogram [19, 11, 11, 11, 11, 11, 11, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:54,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 01:05:54,478 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:05:54,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:54,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1642619998, now seen corresponding path program 1 times [2022-11-26 01:05:54,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:54,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813118582] [2022-11-26 01:05:54,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:54,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2022-11-26 01:05:55,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:55,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813118582] [2022-11-26 01:05:55,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813118582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:55,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:55,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:05:55,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274032972] [2022-11-26 01:05:55,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:55,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:05:55,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:55,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:05:55,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:05:55,024 INFO L87 Difference]: Start difference. First operand 26499 states and 37334 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-26 01:05:58,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:02,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:03,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:05,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:08,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:08,061 INFO L93 Difference]: Finished difference Result 29467 states and 41121 transitions. [2022-11-26 01:06:08,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:06:08,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 297 [2022-11-26 01:06:08,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:08,167 INFO L225 Difference]: With dead ends: 29467 [2022-11-26 01:06:08,167 INFO L226 Difference]: Without dead ends: 29465 [2022-11-26 01:06:08,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:06:08,182 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 291 mSDsluCounter, 5472 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 7341 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:08,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 7341 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1179 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2022-11-26 01:06:08,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29465 states. [2022-11-26 01:06:09,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29465 to 29447. [2022-11-26 01:06:09,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29447 states, 17094 states have (on average 1.259213759213759) internal successors, (21525), 17668 states have internal predecessors, (21525), 9775 states have call successors, (9775), 2697 states have call predecessors, (9775), 2575 states have return successors, (9784), 9384 states have call predecessors, (9784), 9767 states have call successors, (9784) [2022-11-26 01:06:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29447 states to 29447 states and 41084 transitions. [2022-11-26 01:06:10,061 INFO L78 Accepts]: Start accepts. Automaton has 29447 states and 41084 transitions. Word has length 297 [2022-11-26 01:06:10,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:10,062 INFO L495 AbstractCegarLoop]: Abstraction has 29447 states and 41084 transitions. [2022-11-26 01:06:10,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-26 01:06:10,062 INFO L276 IsEmpty]: Start isEmpty. Operand 29447 states and 41084 transitions. [2022-11-26 01:06:10,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-26 01:06:10,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:10,077 INFO L195 NwaCegarLoop]: trace histogram [19, 11, 11, 11, 11, 11, 11, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:10,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 01:06:10,078 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:06:10,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1998510956, now seen corresponding path program 1 times [2022-11-26 01:06:10,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:10,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455498056] [2022-11-26 01:06:10,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:10,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2022-11-26 01:06:11,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:11,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455498056] [2022-11-26 01:06:11,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455498056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:11,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:11,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:06:11,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129018128] [2022-11-26 01:06:11,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:11,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:06:11,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:11,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:06:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:06:11,088 INFO L87 Difference]: Start difference. First operand 29447 states and 41084 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-26 01:06:14,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:15,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:17,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:21,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:23,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:25,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:25,312 INFO L93 Difference]: Finished difference Result 29849 states and 41402 transitions. [2022-11-26 01:06:25,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:06:25,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 336 [2022-11-26 01:06:25,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:25,467 INFO L225 Difference]: With dead ends: 29849 [2022-11-26 01:06:25,467 INFO L226 Difference]: Without dead ends: 29847 [2022-11-26 01:06:25,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:06:25,489 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 281 mSDsluCounter, 5294 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 7135 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:25,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 7135 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1161 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2022-11-26 01:06:25,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29847 states. [2022-11-26 01:06:27,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29847 to 29847. [2022-11-26 01:06:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29847 states, 17305 states have (on average 1.2553597226235191) internal successors, (21724), 17878 states have internal predecessors, (21724), 9825 states have call successors, (9825), 2837 states have call predecessors, (9825), 2715 states have return successors, (9834), 9434 states have call predecessors, (9834), 9817 states have call successors, (9834) [2022-11-26 01:06:27,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29847 states to 29847 states and 41383 transitions. [2022-11-26 01:06:27,392 INFO L78 Accepts]: Start accepts. Automaton has 29847 states and 41383 transitions. Word has length 336 [2022-11-26 01:06:27,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:27,393 INFO L495 AbstractCegarLoop]: Abstraction has 29847 states and 41383 transitions. [2022-11-26 01:06:27,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-26 01:06:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29847 states and 41383 transitions. [2022-11-26 01:06:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-11-26 01:06:27,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:27,421 INFO L195 NwaCegarLoop]: trace histogram [24, 14, 14, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:27,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 01:06:27,422 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:06:27,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:27,422 INFO L85 PathProgramCache]: Analyzing trace with hash 572679987, now seen corresponding path program 1 times [2022-11-26 01:06:27,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:27,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824665164] [2022-11-26 01:06:27,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:27,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1434 trivial. 0 not checked. [2022-11-26 01:06:28,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:28,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824665164] [2022-11-26 01:06:28,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824665164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:28,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:28,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:06:28,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637801512] [2022-11-26 01:06:28,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:28,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:06:28,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:28,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:06:28,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:06:28,007 INFO L87 Difference]: Start difference. First operand 29847 states and 41383 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-26 01:06:31,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:33,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:36,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:36,545 INFO L93 Difference]: Finished difference Result 61394 states and 86867 transitions. [2022-11-26 01:06:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:06:36,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 432 [2022-11-26 01:06:36,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:36,686 INFO L225 Difference]: With dead ends: 61394 [2022-11-26 01:06:36,686 INFO L226 Difference]: Without dead ends: 37427 [2022-11-26 01:06:36,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:06:36,761 INFO L413 NwaCegarLoop]: 2481 mSDtfsCounter, 445 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 4460 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:36,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 4460 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 698 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-26 01:06:36,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37427 states. [2022-11-26 01:06:39,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37427 to 29849. [2022-11-26 01:06:39,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29849 states, 17307 states have (on average 1.2553302132085284) internal successors, (21726), 17880 states have internal predecessors, (21726), 9825 states have call successors, (9825), 2837 states have call predecessors, (9825), 2715 states have return successors, (9834), 9434 states have call predecessors, (9834), 9817 states have call successors, (9834) [2022-11-26 01:06:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29849 states to 29849 states and 41385 transitions. [2022-11-26 01:06:39,154 INFO L78 Accepts]: Start accepts. Automaton has 29849 states and 41385 transitions. Word has length 432 [2022-11-26 01:06:39,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:39,155 INFO L495 AbstractCegarLoop]: Abstraction has 29849 states and 41385 transitions. [2022-11-26 01:06:39,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-26 01:06:39,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29849 states and 41385 transitions. [2022-11-26 01:06:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-11-26 01:06:39,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:39,172 INFO L195 NwaCegarLoop]: trace histogram [25, 15, 15, 15, 15, 15, 15, 14, 14, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:39,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 01:06:39,172 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:06:39,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:39,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1702995906, now seen corresponding path program 1 times [2022-11-26 01:06:39,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:39,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856850986] [2022-11-26 01:06:39,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:39,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2022-11-26 01:06:39,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:39,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856850986] [2022-11-26 01:06:39,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856850986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:39,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:39,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:06:39,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059757048] [2022-11-26 01:06:39,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:39,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:06:39,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:39,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:06:39,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:06:39,633 INFO L87 Difference]: Start difference. First operand 29849 states and 41385 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-26 01:06:42,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:43,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:46,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:49,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:49,672 INFO L93 Difference]: Finished difference Result 61384 states and 86847 transitions. [2022-11-26 01:06:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:06:49,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 438 [2022-11-26 01:06:49,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:49,862 INFO L225 Difference]: With dead ends: 61384 [2022-11-26 01:06:49,862 INFO L226 Difference]: Without dead ends: 37415 [2022-11-26 01:06:50,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:06:50,088 INFO L413 NwaCegarLoop]: 2317 mSDtfsCounter, 445 mSDsluCounter, 1902 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 4219 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:50,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 4219 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 657 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-26 01:06:50,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37415 states. [2022-11-26 01:06:52,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37415 to 29851. [2022-11-26 01:06:52,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29851 states, 17309 states have (on average 1.2553007106129759) internal successors, (21728), 17882 states have internal predecessors, (21728), 9825 states have call successors, (9825), 2837 states have call predecessors, (9825), 2715 states have return successors, (9834), 9434 states have call predecessors, (9834), 9817 states have call successors, (9834) [2022-11-26 01:06:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29851 states to 29851 states and 41387 transitions. [2022-11-26 01:06:52,659 INFO L78 Accepts]: Start accepts. Automaton has 29851 states and 41387 transitions. Word has length 438 [2022-11-26 01:06:52,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:52,660 INFO L495 AbstractCegarLoop]: Abstraction has 29851 states and 41387 transitions. [2022-11-26 01:06:52,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-26 01:06:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 29851 states and 41387 transitions. [2022-11-26 01:06:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-11-26 01:06:52,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:52,686 INFO L195 NwaCegarLoop]: trace histogram [24, 14, 14, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:52,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 01:06:52,687 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:06:52,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:52,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1416117210, now seen corresponding path program 1 times [2022-11-26 01:06:52,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:52,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543685695] [2022-11-26 01:06:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:53,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1436 trivial. 0 not checked. [2022-11-26 01:06:53,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:53,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543685695] [2022-11-26 01:06:53,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543685695] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:06:53,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133339519] [2022-11-26 01:06:53,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:53,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:53,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:53,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:06:53,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:06:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:54,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 4063 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:06:54,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:06:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2022-11-26 01:06:55,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:06:55,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133339519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:55,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:06:55,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-26 01:06:55,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763498311] [2022-11-26 01:06:55,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:55,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:06:55,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:55,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:06:55,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:06:55,032 INFO L87 Difference]: Start difference. First operand 29851 states and 41387 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-26 01:06:57,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:04,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:04,950 INFO L93 Difference]: Finished difference Result 61432 states and 86921 transitions. [2022-11-26 01:07:04,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:07:04,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 438 [2022-11-26 01:07:04,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:05,151 INFO L225 Difference]: With dead ends: 61432 [2022-11-26 01:07:05,151 INFO L226 Difference]: Without dead ends: 37461 [2022-11-26 01:07:05,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:05,233 INFO L413 NwaCegarLoop]: 2498 mSDtfsCounter, 452 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 4479 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:05,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 4479 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 701 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-26 01:07:05,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37461 states. [2022-11-26 01:07:08,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37461 to 29853. [2022-11-26 01:07:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29853 states, 17311 states have (on average 1.2552712148344982) internal successors, (21730), 17884 states have internal predecessors, (21730), 9825 states have call successors, (9825), 2837 states have call predecessors, (9825), 2715 states have return successors, (9834), 9434 states have call predecessors, (9834), 9817 states have call successors, (9834) [2022-11-26 01:07:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29853 states to 29853 states and 41389 transitions. [2022-11-26 01:07:08,442 INFO L78 Accepts]: Start accepts. Automaton has 29853 states and 41389 transitions. Word has length 438 [2022-11-26 01:07:08,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:08,443 INFO L495 AbstractCegarLoop]: Abstraction has 29853 states and 41389 transitions. [2022-11-26 01:07:08,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-26 01:07:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29853 states and 41389 transitions. [2022-11-26 01:07:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-11-26 01:07:08,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:08,461 INFO L195 NwaCegarLoop]: trace histogram [24, 14, 14, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:08,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:07:08,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-26 01:07:08,663 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 01:07:08,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:08,664 INFO L85 PathProgramCache]: Analyzing trace with hash -427864087, now seen corresponding path program 1 times [2022-11-26 01:07:08,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:08,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546420118] [2022-11-26 01:07:08,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:08,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1454 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2022-11-26 01:07:09,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:09,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546420118] [2022-11-26 01:07:09,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546420118] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:07:09,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403239140] [2022-11-26 01:07:09,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:09,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:09,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:09,228 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:07:09,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebad3f9e-516a-48f8-9956-1cc4354e926c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:07:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:10,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 4075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:07:10,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:07:11,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1454 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2022-11-26 01:07:11,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:07:11,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403239140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:11,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:07:11,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-26 01:07:11,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074498089] [2022-11-26 01:07:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:11,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:07:11,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:11,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:07:11,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:11,008 INFO L87 Difference]: Start difference. First operand 29853 states and 41389 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-26 01:07:13,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:14,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:17,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:19,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []