./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-jme.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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/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-jme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/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 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:27:37,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:27:37,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:27:38,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:27:38,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:27:38,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:27:38,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:27:38,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:27:38,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:27:38,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:27:38,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:27:38,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:27:38,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:27:38,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:27:38,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:27:38,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:27:38,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:27:38,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:27:38,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:27:38,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:27:38,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:27:38,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:27:38,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:27:38,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:27:38,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:27:38,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:27:38,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:27:38,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:27:38,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:27:38,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:27:38,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:27:38,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:27:38,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:27:38,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:27:38,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:27:38,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:27:38,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:27:38,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:27:38,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:27:38,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:27:38,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:27:38,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:27:38,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:27:38,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:27:38,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:27:38,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:27:38,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:27:38,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:27:38,153 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:27:38,153 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:27:38,153 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:27:38,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:27:38,155 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:27:38,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:27:38,156 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:27:38,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:27:38,156 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:27:38,157 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:27:38,157 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:27:38,157 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:27:38,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:27:38,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:27:38,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:27:38,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:27:38,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:27:38,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:27:38,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:27:38,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:27:38,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:27:38,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:27:38,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:27:38,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:27:38,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:27:38,163 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:27:38,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:27:38,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:27:38,163 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:27:38,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:27:38,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:27:38,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:27:38,164 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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-11-25 23:27:38,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:27:38,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:27:38,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:27:38,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:27:38,594 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:27:38,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-11-25 23:27:41,790 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:27:42,570 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:27:42,571 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-11-25 23:27:42,622 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur/data/4efc48fba/9f546b69935549c3a53deab7e3f0ef8c/FLAGe63e0bb4e [2022-11-25 23:27:42,639 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur/data/4efc48fba/9f546b69935549c3a53deab7e3f0ef8c [2022-11-25 23:27:42,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:27:42,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:27:42,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:27:42,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:27:42,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:27:42,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:27:42" (1/1) ... [2022-11-25 23:27:42,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1fce3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:42, skipping insertion in model container [2022-11-25 23:27:42,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:27:42" (1/1) ... [2022-11-25 23:27:42,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:27:42,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:27:44,093 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:27:44,116 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:27:44,162 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:27:44,234 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:44,358 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:27:44,371 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:27:44,385 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:27:44,399 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 23:27:44,407 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 23:27:44,481 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:27:44,489 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:27:44,504 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:27:44,511 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 23:27:44,631 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:27:44,672 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:27:44,673 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:44,737 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:27:44,738 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:27:44,751 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:27:44,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:44,855 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 23:27:44,861 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-25 23:27:44,868 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 23:27:44,965 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:27:45,075 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:27:45,105 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-11-25 23:27:45,116 WARN L623 FunctionHandler]: Unknown extern function __tasklet_hi_schedule [2022-11-25 23:27:45,208 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:45,218 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:45,292 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,326 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,326 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,327 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,327 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,342 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,343 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,344 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:45,362 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,406 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:45,406 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:45,408 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:45,413 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:45,414 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:45,415 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:45,419 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:45,420 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:45,422 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,422 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:27:45,423 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,424 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:45,442 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:45,444 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:27:45,459 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,460 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:45,477 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:27:45,479 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:45,488 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:45,495 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:27:45,538 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,539 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:45,562 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:45,564 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:45,566 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:45,577 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:27:45,577 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:27:45,696 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,697 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,699 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:45,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:45,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:45,716 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 23:27:45,725 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,733 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,744 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:45,754 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 23:27:45,787 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-25 23:27:45,788 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:45,790 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 23:27:45,796 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 23:27:45,842 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:45,860 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:45,861 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:45,861 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:45,861 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:45,863 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:45,877 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,877 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:45,891 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:45,892 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-11-25 23:27:45,892 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-11-25 23:27:45,892 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-11-25 23:27:45,893 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-11-25 23:27:45,920 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:27:45,928 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 23:27:45,929 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:45,937 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-11-25 23:27:45,946 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:45,969 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,970 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,972 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:45,979 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:46,001 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 23:27:46,003 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 23:27:46,019 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-25 23:27:46,033 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:27:46,035 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:27:46,036 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:27:46,105 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 23:27:46,111 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 23:27:46,113 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 23:27:46,125 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 23:27:46,166 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:27:46,166 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:27:46,167 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:27:46,179 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:46,180 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:46,181 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:46,182 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:46,187 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:46,188 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:46,189 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:46,189 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:46,190 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:46,191 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:46,238 WARN L623 FunctionHandler]: Unknown extern function pci_disable_link_state [2022-11-25 23:27:46,238 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:27:46,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:46,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:46,240 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:46,241 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:27:46,242 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:46,242 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:27:46,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:46,246 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 23:27:46,247 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:27:46,247 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:27:46,248 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:27:46,248 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:46,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:46,257 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 23:27:46,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:46,263 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:46,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:46,265 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:46,268 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:27:46,270 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:27:46,271 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:27:46,278 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:27:46,279 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:27:46,288 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:27:46,297 WARN L623 FunctionHandler]: Unknown extern function pci_pme_active [2022-11-25 23:27:46,307 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:27:46,309 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:46,321 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:27:46,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:46,885 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,886 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,886 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,886 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,887 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,887 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,887 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,887 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,888 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,888 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,888 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,888 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,889 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,889 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,889 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,889 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,890 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,890 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:46,895 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:27:46,899 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:27:46,903 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:27:46,903 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:27:46,914 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:27:46,964 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:27:46,974 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:27:46,989 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:27:46,990 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:27:46,991 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:27:46,992 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:27:46,992 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:27:46,993 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:27:46,993 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:27:46,994 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:27:47,054 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:27:47,055 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:27:47,066 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:27:47,883 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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464820,464833] [2022-11-25 23:27:47,887 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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2022-11-25 23:27:47,888 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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2022-11-25 23:27:47,889 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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2022-11-25 23:27:47,890 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:47,891 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:47,893 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:47,906 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:47,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:27:47,949 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:27:48,051 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:27:48,052 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:27:48,053 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:27:48,055 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,060 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:27:48,065 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:27:48,066 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:27:48,069 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 23:27:48,070 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 23:27:48,075 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:27:48,076 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:27:48,077 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:27:48,078 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 23:27:48,082 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:27:48,085 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:27:48,085 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:48,087 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:27:48,127 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:27:48,128 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:27:48,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,130 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 23:27:48,133 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-25 23:27:48,135 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 23:27:48,138 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:27:48,143 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:27:48,144 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-11-25 23:27:48,145 WARN L623 FunctionHandler]: Unknown extern function __tasklet_hi_schedule [2022-11-25 23:27:48,149 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,151 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,159 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,159 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,160 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,160 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,160 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,162 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,163 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,163 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,166 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,171 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:48,172 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,173 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:48,174 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:48,175 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:48,175 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:48,179 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:48,180 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:27:48,185 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,185 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:27:48,186 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,186 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:48,190 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:48,191 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:27:48,193 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,194 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,197 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:27:48,198 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:48,200 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:48,201 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:27:48,206 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,207 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,216 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,218 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,219 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,221 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:27:48,221 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:27:48,237 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,238 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,239 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:48,240 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,241 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,244 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 23:27:48,245 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,247 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,252 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:48,268 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 23:27:48,273 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-25 23:27:48,276 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,277 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 23:27:48,278 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 23:27:48,282 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:48,286 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:48,287 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:48,287 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:48,287 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:48,288 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:48,291 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,292 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,293 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:48,294 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-11-25 23:27:48,294 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-11-25 23:27:48,294 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-11-25 23:27:48,294 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-11-25 23:27:48,300 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:27:48,301 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 23:27:48,302 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:27:48,304 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-11-25 23:27:48,305 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,310 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,311 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,312 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,314 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,318 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 23:27:48,318 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 23:27:48,322 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-25 23:27:48,324 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:27:48,324 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:27:48,325 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:27:48,335 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 23:27:48,336 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 23:27:48,342 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 23:27:48,345 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 23:27:48,348 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:27:48,349 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:27:48,349 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:27:48,350 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:48,351 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,352 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:48,352 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,353 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:48,354 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,355 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:27:48,356 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:27:48,358 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,358 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:27:48,366 WARN L623 FunctionHandler]: Unknown extern function pci_disable_link_state [2022-11-25 23:27:48,366 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:27:48,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,368 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:27:48,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,371 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:27:48,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,376 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 23:27:48,377 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:27:48,377 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:27:48,378 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:27:48,378 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-11-25 23:27:48,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,382 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 23:27:48,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,383 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:48,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,384 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:27:48,386 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:27:48,386 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:27:48,387 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:27:48,390 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:27:48,390 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:27:48,390 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:27:48,391 WARN L623 FunctionHandler]: Unknown extern function pci_pme_active [2022-11-25 23:27:48,393 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:27:48,393 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:27:48,395 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:27:48,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:27:48,408 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,409 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,409 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,409 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,410 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,410 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,410 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,410 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,411 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,411 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,411 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,412 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,412 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,412 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,413 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,413 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,413 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,413 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,417 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:27:48,422 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:27:48,424 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:27:48,425 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:27:48,434 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:27:48,440 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:27:48,476 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:27:48,533 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:27:48,534 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:27:48,535 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:27:48,535 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:27:48,536 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:27:48,536 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:27:48,536 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:27:48,538 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:27:48,541 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:27:48,541 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:27:48,542 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:27:48,572 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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464820,464833] [2022-11-25 23:27:48,573 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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2022-11-25 23:27:48,573 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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2022-11-25 23:27:48,574 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_bb598c68-d40f-4ed5-a2a5-1c3427487aba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2022-11-25 23:27:48,574 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,579 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,580 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,582 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:27:48,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:27:48,959 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:27:48,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48 WrapperNode [2022-11-25 23:27:48,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:27:48,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:27:48,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:27:48,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:27:48,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,437 INFO L138 Inliner]: procedures = 663, calls = 2959, calls flagged for inlining = 321, calls inlined = 256, statements flattened = 6034 [2022-11-25 23:27:49,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:27:49,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:27:49,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:27:49,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:27:49,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:27:49,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:27:49,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:27:49,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:27:49,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (1/1) ... [2022-11-25 23:27:49,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:27:49,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:27:49,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:27:49,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb598c68-d40f-4ed5-a2a5-1c3427487aba/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:27:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-25 23:27:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-25 23:27:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-25 23:27:49,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-25 23:27:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-25 23:27:49,872 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-25 23:27:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 23:27:49,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 23:27:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-11-25 23:27:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-11-25 23:27:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:27:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:27:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-11-25 23:27:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-11-25 23:27:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-25 23:27:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-25 23:27:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-11-25 23:27:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-11-25 23:27:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 23:27:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 23:27:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:27:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:27:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-11-25 23:27:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-11-25 23:27:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-11-25 23:27:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-11-25 23:27:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:27:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:27:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-25 23:27:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-25 23:27:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 23:27:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 23:27:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 23:27:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 23:27:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 23:27:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 23:27:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-11-25 23:27:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-11-25 23:27:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:27:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:27:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-11-25 23:27:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-11-25 23:27:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-25 23:27:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-25 23:27:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 23:27:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 23:27:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:27:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:27:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 23:27:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 23:27:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 23:27:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 23:27:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-25 23:27:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 23:27:49,880 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 23:27:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:27:49,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:27:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-25 23:27:49,880 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-25 23:27:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:27:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-25 23:27:49,881 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-25 23:27:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-11-25 23:27:49,881 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-11-25 23:27:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-25 23:27:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-25 23:27:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-25 23:27:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:27:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:27:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-11-25 23:27:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-11-25 23:27:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-25 23:27:49,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-25 23:27:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-25 23:27:49,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-25 23:27:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:27:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-11-25 23:27:49,883 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-11-25 23:27:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 23:27:49,884 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 23:27:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:27:49,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:27:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:27:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:27:49,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:27:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-11-25 23:27:49,885 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-11-25 23:27:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:27:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 23:27:49,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 23:27:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2022-11-25 23:27:49,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2022-11-25 23:27:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-11-25 23:27:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-11-25 23:27:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-11-25 23:27:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-11-25 23:27:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:27:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:27:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2022-11-25 23:27:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2022-11-25 23:27:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-25 23:27:49,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-25 23:27:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 23:27:49,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 23:27:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 23:27:49,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 23:27:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-11-25 23:27:49,887 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-11-25 23:27:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-25 23:27:49,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-25 23:27:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 23:27:49,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 23:27:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-11-25 23:27:49,888 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-11-25 23:27:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-11-25 23:27:49,889 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-11-25 23:27:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-11-25 23:27:49,889 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-11-25 23:27:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:27:49,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:27:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:27:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 23:27:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 23:27:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 23:27:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 23:27:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-25 23:27:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-25 23:27:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-25 23:27:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-25 23:27:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-11-25 23:27:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-11-25 23:27:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:27:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:27:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:27:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 23:27:49,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 23:27:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:27:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-25 23:27:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-25 23:27:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:27:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:27:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:27:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:27:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-25 23:27:49,892 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-25 23:27:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 23:27:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 23:27:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-11-25 23:27:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-11-25 23:27:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:27:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:27:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 23:27:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 23:27:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 23:27:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 23:27:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:27:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:27:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-11-25 23:27:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-11-25 23:27:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-25 23:27:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-25 23:27:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:27:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:27:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-25 23:27:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-25 23:27:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-25 23:27:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-25 23:27:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-11-25 23:27:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-11-25 23:27:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-11-25 23:27:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-11-25 23:27:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 23:27:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 23:27:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-11-25 23:27:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-11-25 23:27:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:27:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-11-25 23:27:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-11-25 23:27:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:27:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:27:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:27:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-11-25 23:27:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-11-25 23:27:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-11-25 23:27:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-11-25 23:27:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-11-25 23:27:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-11-25 23:27:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-11-25 23:27:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-11-25 23:27:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-11-25 23:27:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-11-25 23:27:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:27:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:27:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 23:27:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 23:27:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-25 23:27:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-25 23:27:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-11-25 23:27:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-11-25 23:27:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-11-25 23:27:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-11-25 23:27:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-11-25 23:27:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-11-25 23:27:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-11-25 23:27:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-11-25 23:27:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-25 23:27:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-25 23:27:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 23:27:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 23:27:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:27:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:27:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 23:27:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 23:27:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-25 23:27:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-25 23:27:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-25 23:27:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-25 23:27:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-11-25 23:27:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-11-25 23:27:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 23:27:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 23:27:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:27:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-25 23:27:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-25 23:27:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 23:27:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 23:27:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:27:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-11-25 23:27:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-11-25 23:27:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-11-25 23:27:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-11-25 23:27:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-11-25 23:27:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-11-25 23:27:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:27:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-11-25 23:27:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-11-25 23:27:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 23:27:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 23:27:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-25 23:27:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-25 23:27:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 23:27:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 23:27:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:27:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:27:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-11-25 23:27:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-11-25 23:27:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-11-25 23:27:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-11-25 23:27:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-25 23:27:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-25 23:27:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-11-25 23:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-11-25 23:27:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-25 23:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-25 23:27:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-11-25 23:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-11-25 23:27:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2022-11-25 23:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2022-11-25 23:27:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 23:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 23:27:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 23:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 23:27:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-11-25 23:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-11-25 23:27:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2022-11-25 23:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2022-11-25 23:27:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-11-25 23:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-11-25 23:27:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-25 23:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-25 23:27:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-11-25 23:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-11-25 23:27:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:27:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-11-25 23:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-11-25 23:27:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-25 23:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-25 23:27:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-11-25 23:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-11-25 23:27:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:27:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-11-25 23:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-11-25 23:27:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:27:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-11-25 23:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-11-25 23:27:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-11-25 23:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-11-25 23:27:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-11-25 23:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-11-25 23:27:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:27:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-25 23:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-25 23:27:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-11-25 23:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-11-25 23:27:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 23:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 23:27:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-11-25 23:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-11-25 23:27:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-11-25 23:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-11-25 23:27:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 23:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 23:27:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-25 23:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-25 23:27:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-11-25 23:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-11-25 23:27:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-11-25 23:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-11-25 23:27:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:27:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-11-25 23:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-11-25 23:27:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-11-25 23:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-11-25 23:27:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-11-25 23:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-11-25 23:27:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-11-25 23:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-11-25 23:27:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-25 23:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-25 23:27:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 23:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 23:27:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:27:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-11-25 23:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-11-25 23:27:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:27:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-25 23:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-25 23:27:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-25 23:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-25 23:27:51,181 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:27:51,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:27:51,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:28:00,714 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 23:28:00,990 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:28:02,736 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:28:02,736 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 23:28:02,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:28:02 BoogieIcfgContainer [2022-11-25 23:28:02,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:28:02,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:28:02,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:28:02,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:28:02,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:27:42" (1/3) ... [2022-11-25 23:28:02,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215d4af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:28:02, skipping insertion in model container [2022-11-25 23:28:02,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:48" (2/3) ... [2022-11-25 23:28:02,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215d4af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:28:02, skipping insertion in model container [2022-11-25 23:28:02,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:28:02" (3/3) ... [2022-11-25 23:28:02,758 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-11-25 23:28:02,783 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:28:02,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 23:28:02,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:28:02,948 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;@6140722e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:28:02,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 23:28:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 2082 states, 1186 states have (on average 1.302698145025295) internal successors, (1545), 1237 states have internal predecessors, (1545), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) [2022-11-25 23:28:03,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-25 23:28:03,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:03,016 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:28:03,017 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)] === [2022-11-25 23:28:03,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:03,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1062705352, now seen corresponding path program 1 times [2022-11-25 23:28:03,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:03,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746023904] [2022-11-25 23:28:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:03,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-25 23:28:04,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:04,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746023904] [2022-11-25 23:28:04,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746023904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:04,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:04,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:28:04,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564928813] [2022-11-25 23:28:04,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:04,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:28:04,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:04,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:28:04,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:28:04,291 INFO L87 Difference]: Start difference. First operand has 2082 states, 1186 states have (on average 1.302698145025295) internal successors, (1545), 1237 states have internal predecessors, (1545), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 23:28:09,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:28:10,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:10,623 INFO L93 Difference]: Finished difference Result 6060 states and 8952 transitions. [2022-11-25 23:28:10,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:28:10,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 201 [2022-11-25 23:28:10,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:10,684 INFO L225 Difference]: With dead ends: 6060 [2022-11-25 23:28:10,684 INFO L226 Difference]: Without dead ends: 4002 [2022-11-25 23:28:10,706 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 [2022-11-25 23:28:10,710 INFO L413 NwaCegarLoop]: 3249 mSDtfsCounter, 2835 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2835 SdHoareTripleChecker+Valid, 5786 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:10,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2835 Valid, 5786 Invalid, 847 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-25 23:28:10,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4002 states. [2022-11-25 23:28:11,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4002 to 3998. [2022-11-25 23:28:11,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3998 states, 2286 states have (on average 1.2979002624671916) internal successors, (2967), 2381 states have internal predecessors, (2967), 1399 states have call successors, (1399), 311 states have call predecessors, (1399), 310 states have return successors, (1395), 1363 states have call predecessors, (1395), 1395 states have call successors, (1395) [2022-11-25 23:28:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 3998 states and 5761 transitions. [2022-11-25 23:28:11,136 INFO L78 Accepts]: Start accepts. Automaton has 3998 states and 5761 transitions. Word has length 201 [2022-11-25 23:28:11,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:11,141 INFO L495 AbstractCegarLoop]: Abstraction has 3998 states and 5761 transitions. [2022-11-25 23:28:11,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 23:28:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 5761 transitions. [2022-11-25 23:28:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-25 23:28:11,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:11,157 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:28:11,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:28:11,157 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)] === [2022-11-25 23:28:11,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:11,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1896645393, now seen corresponding path program 1 times [2022-11-25 23:28:11,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:11,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807475884] [2022-11-25 23:28:11,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:11,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-25 23:28:11,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:11,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807475884] [2022-11-25 23:28:11,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807475884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:11,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:11,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:28:11,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093238546] [2022-11-25 23:28:11,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:11,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:28:11,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:11,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:28:11,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:28:11,665 INFO L87 Difference]: Start difference. First operand 3998 states and 5761 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 23:28:13,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:28:16,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:16,203 INFO L93 Difference]: Finished difference Result 10936 states and 15695 transitions. [2022-11-25 23:28:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:28:16,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 209 [2022-11-25 23:28:16,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:16,267 INFO L225 Difference]: With dead ends: 10936 [2022-11-25 23:28:16,268 INFO L226 Difference]: Without dead ends: 6975 [2022-11-25 23:28:16,392 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 [2022-11-25 23:28:16,396 INFO L413 NwaCegarLoop]: 3096 mSDtfsCounter, 2164 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 5582 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:16,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 5582 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 23:28:16,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6975 states. [2022-11-25 23:28:16,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6975 to 6941. [2022-11-25 23:28:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6941 states, 3935 states have (on average 1.2884371029224904) internal successors, (5070), 4113 states have internal predecessors, (5070), 2432 states have call successors, (2432), 574 states have call predecessors, (2432), 571 states have return successors, (2430), 2357 states have call predecessors, (2430), 2428 states have call successors, (2430) [2022-11-25 23:28:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6941 states to 6941 states and 9932 transitions. [2022-11-25 23:28:16,850 INFO L78 Accepts]: Start accepts. Automaton has 6941 states and 9932 transitions. Word has length 209 [2022-11-25 23:28:16,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:16,851 INFO L495 AbstractCegarLoop]: Abstraction has 6941 states and 9932 transitions. [2022-11-25 23:28:16,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 23:28:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 6941 states and 9932 transitions. [2022-11-25 23:28:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-25 23:28:16,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:16,857 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:28:16,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:28:16,858 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)] === [2022-11-25 23:28:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:16,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1396977628, now seen corresponding path program 1 times [2022-11-25 23:28:16,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:16,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260331394] [2022-11-25 23:28:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:16,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:17,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-25 23:28:17,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:17,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260331394] [2022-11-25 23:28:17,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260331394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:17,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:17,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:28:17,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992069233] [2022-11-25 23:28:17,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:17,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:28:17,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:17,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:28:17,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:28:17,370 INFO L87 Difference]: Start difference. First operand 6941 states and 9932 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 23:28:22,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:22,298 INFO L93 Difference]: Finished difference Result 20015 states and 28588 transitions. [2022-11-25 23:28:22,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:28:22,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 212 [2022-11-25 23:28:22,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:22,413 INFO L225 Difference]: With dead ends: 20015 [2022-11-25 23:28:22,414 INFO L226 Difference]: Without dead ends: 13111 [2022-11-25 23:28:22,453 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 [2022-11-25 23:28:22,457 INFO L413 NwaCegarLoop]: 3547 mSDtfsCounter, 2682 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2682 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:22,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2682 Valid, 6041 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 23:28:22,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13111 states. [2022-11-25 23:28:23,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13111 to 13073. [2022-11-25 23:28:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13073 states, 7379 states have (on average 1.2730722320097574) internal successors, (9394), 7709 states have internal predecessors, (9394), 4578 states have call successors, (4578), 1118 states have call predecessors, (4578), 1113 states have return successors, (4576), 4443 states have call predecessors, (4576), 4574 states have call successors, (4576) [2022-11-25 23:28:23,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13073 states to 13073 states and 18548 transitions. [2022-11-25 23:28:23,435 INFO L78 Accepts]: Start accepts. Automaton has 13073 states and 18548 transitions. Word has length 212 [2022-11-25 23:28:23,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:23,437 INFO L495 AbstractCegarLoop]: Abstraction has 13073 states and 18548 transitions. [2022-11-25 23:28:23,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 23:28:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 13073 states and 18548 transitions. [2022-11-25 23:28:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-25 23:28:23,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:23,445 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:28:23,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:28:23,446 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)] === [2022-11-25 23:28:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:23,447 INFO L85 PathProgramCache]: Analyzing trace with hash -932789162, now seen corresponding path program 1 times [2022-11-25 23:28:23,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:23,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212561260] [2022-11-25 23:28:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:23,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-25 23:28:23,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:23,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212561260] [2022-11-25 23:28:23,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212561260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:23,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:23,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:28:23,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311768589] [2022-11-25 23:28:23,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:23,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:28:23,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:23,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:28:23,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:28:23,807 INFO L87 Difference]: Start difference. First operand 13073 states and 18548 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 23:28:29,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:29,429 INFO L93 Difference]: Finished difference Result 27277 states and 38575 transitions. [2022-11-25 23:28:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:28:29,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 216 [2022-11-25 23:28:29,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:29,523 INFO L225 Difference]: With dead ends: 27277 [2022-11-25 23:28:29,523 INFO L226 Difference]: Without dead ends: 14241 [2022-11-25 23:28:29,716 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 [2022-11-25 23:28:29,721 INFO L413 NwaCegarLoop]: 3748 mSDtfsCounter, 2495 mSDsluCounter, 2510 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 6258 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:29,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2495 Valid, 6258 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 23:28:29,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14241 states. [2022-11-25 23:28:30,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14241 to 14205. [2022-11-25 23:28:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14205 states, 8005 states have (on average 1.2615865084322297) internal successors, (10099), 8375 states have internal predecessors, (10099), 4923 states have call successors, (4923), 1282 states have call predecessors, (4923), 1274 states have return successors, (4921), 4760 states have call predecessors, (4921), 4919 states have call successors, (4921) [2022-11-25 23:28:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14205 states to 14205 states and 19943 transitions. [2022-11-25 23:28:30,816 INFO L78 Accepts]: Start accepts. Automaton has 14205 states and 19943 transitions. Word has length 216 [2022-11-25 23:28:30,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:30,818 INFO L495 AbstractCegarLoop]: Abstraction has 14205 states and 19943 transitions. [2022-11-25 23:28:30,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 23:28:30,819 INFO L276 IsEmpty]: Start isEmpty. Operand 14205 states and 19943 transitions. [2022-11-25 23:28:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-25 23:28:30,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:30,824 INFO L195 NwaCegarLoop]: trace histogram [20, 18, 18, 18, 18, 18, 18, 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] [2022-11-25 23:28:30,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:28:30,825 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:28:30,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:30,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1884739036, now seen corresponding path program 1 times [2022-11-25 23:28:30,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:30,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242460585] [2022-11-25 23:28:30,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:30,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2022-11-25 23:28:31,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:31,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242460585] [2022-11-25 23:28:31,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242460585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:31,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:31,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:28:31,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849308003] [2022-11-25 23:28:31,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:31,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:28:31,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:31,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:28:31,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:28:31,214 INFO L87 Difference]: Start difference. First operand 14205 states and 19943 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-25 23:28:36,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:36,094 INFO L93 Difference]: Finished difference Result 36813 states and 51817 transitions. [2022-11-25 23:28:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:28:36,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 232 [2022-11-25 23:28:36,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:36,224 INFO L225 Difference]: With dead ends: 36813 [2022-11-25 23:28:36,225 INFO L226 Difference]: Without dead ends: 22645 [2022-11-25 23:28:36,291 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 [2022-11-25 23:28:36,292 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 2811 mSDsluCounter, 2522 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 6033 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:36,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 6033 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-25 23:28:36,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22645 states. [2022-11-25 23:28:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22645 to 22599. [2022-11-25 23:28:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22599 states, 12877 states have (on average 1.2658227848101267) internal successors, (16300), 13483 states have internal predecessors, (16300), 7740 states have call successors, (7740), 1994 states have call predecessors, (7740), 1979 states have return successors, (7740), 7458 states have call predecessors, (7740), 7736 states have call successors, (7740) [2022-11-25 23:28:37,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22599 states to 22599 states and 31780 transitions. [2022-11-25 23:28:37,944 INFO L78 Accepts]: Start accepts. Automaton has 22599 states and 31780 transitions. Word has length 232 [2022-11-25 23:28:37,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:37,945 INFO L495 AbstractCegarLoop]: Abstraction has 22599 states and 31780 transitions. [2022-11-25 23:28:37,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-25 23:28:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 22599 states and 31780 transitions. [2022-11-25 23:28:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-25 23:28:37,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:37,951 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 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, 1, 1] [2022-11-25 23:28:37,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:28:37,951 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)] === [2022-11-25 23:28:37,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:37,952 INFO L85 PathProgramCache]: Analyzing trace with hash 688075688, now seen corresponding path program 1 times [2022-11-25 23:28:37,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:37,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398912235] [2022-11-25 23:28:37,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:37,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-11-25 23:28:38,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:38,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398912235] [2022-11-25 23:28:38,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398912235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:38,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:38,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:28:38,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668801710] [2022-11-25 23:28:38,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:38,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:28:38,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:38,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:28:38,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:28:38,761 INFO L87 Difference]: Start difference. First operand 22599 states and 31780 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 23:28:40,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:28:44,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:44,752 INFO L93 Difference]: Finished difference Result 22605 states and 31785 transitions. [2022-11-25 23:28:44,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:28:44,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 243 [2022-11-25 23:28:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:44,877 INFO L225 Difference]: With dead ends: 22605 [2022-11-25 23:28:44,878 INFO L226 Difference]: Without dead ends: 22603 [2022-11-25 23:28:44,896 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 [2022-11-25 23:28:44,897 INFO L413 NwaCegarLoop]: 2544 mSDtfsCounter, 2888 mSDsluCounter, 5070 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2904 SdHoareTripleChecker+Valid, 7614 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:44,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2904 Valid, 7614 Invalid, 1258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-25 23:28:44,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22603 states. [2022-11-25 23:28:46,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22603 to 22603. [2022-11-25 23:28:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22603 states, 12880 states have (on average 1.2657608695652174) internal successors, (16303), 13486 states have internal predecessors, (16303), 7740 states have call successors, (7740), 1995 states have call predecessors, (7740), 1980 states have return successors, (7740), 7458 states have call predecessors, (7740), 7736 states have call successors, (7740) [2022-11-25 23:28:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22603 states to 22603 states and 31783 transitions. [2022-11-25 23:28:46,775 INFO L78 Accepts]: Start accepts. Automaton has 22603 states and 31783 transitions. Word has length 243 [2022-11-25 23:28:46,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:46,776 INFO L495 AbstractCegarLoop]: Abstraction has 22603 states and 31783 transitions. [2022-11-25 23:28:46,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 23:28:46,777 INFO L276 IsEmpty]: Start isEmpty. Operand 22603 states and 31783 transitions. [2022-11-25 23:28:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-25 23:28:46,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:46,786 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 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] [2022-11-25 23:28:46,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:28:46,788 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)] === [2022-11-25 23:28:46,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:46,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1336221211, now seen corresponding path program 1 times [2022-11-25 23:28:46,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:46,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508163370] [2022-11-25 23:28:46,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:46,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-11-25 23:28:47,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:47,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508163370] [2022-11-25 23:28:47,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508163370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:47,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:47,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:28:47,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322276710] [2022-11-25 23:28:47,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:47,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:28:47,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:47,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:28:47,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:28:47,772 INFO L87 Difference]: Start difference. First operand 22603 states and 31783 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-11-25 23:28:53,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:28:53,341 INFO L93 Difference]: Finished difference Result 22609 states and 31788 transitions. [2022-11-25 23:28:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:28:53,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 248 [2022-11-25 23:28:53,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:28:53,489 INFO L225 Difference]: With dead ends: 22609 [2022-11-25 23:28:53,490 INFO L226 Difference]: Without dead ends: 22607 [2022-11-25 23:28:53,509 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 [2022-11-25 23:28:53,511 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 2883 mSDsluCounter, 5070 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2898 SdHoareTripleChecker+Valid, 7617 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:28:53,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2898 Valid, 7617 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 23:28:53,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22607 states. [2022-11-25 23:28:55,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22607 to 22607. [2022-11-25 23:28:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22607 states, 12883 states have (on average 1.2656989831560972) internal successors, (16306), 13489 states have internal predecessors, (16306), 7740 states have call successors, (7740), 1996 states have call predecessors, (7740), 1981 states have return successors, (7740), 7458 states have call predecessors, (7740), 7736 states have call successors, (7740) [2022-11-25 23:28:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 31786 transitions. [2022-11-25 23:28:55,598 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 31786 transitions. Word has length 248 [2022-11-25 23:28:55,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:28:55,600 INFO L495 AbstractCegarLoop]: Abstraction has 22607 states and 31786 transitions. [2022-11-25 23:28:55,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-11-25 23:28:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 31786 transitions. [2022-11-25 23:28:55,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-25 23:28:55,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:28:55,615 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:28:55,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:28:55,615 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)] === [2022-11-25 23:28:55,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:28:55,616 INFO L85 PathProgramCache]: Analyzing trace with hash -832042225, now seen corresponding path program 1 times [2022-11-25 23:28:55,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:28:55,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092975520] [2022-11-25 23:28:55,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:28:55,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:28:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:28:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2022-11-25 23:28:56,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:56,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092975520] [2022-11-25 23:28:56,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092975520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:28:56,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:28:56,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:28:56,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040082660] [2022-11-25 23:28:56,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:28:56,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:28:56,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:28:56,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:28:56,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:28:56,217 INFO L87 Difference]: Start difference. First operand 22607 states and 31786 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 23:28:59,287 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 [] [2022-11-25 23:29:03,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:03,967 INFO L93 Difference]: Finished difference Result 31038 states and 43378 transitions. [2022-11-25 23:29:03,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:29:03,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 257 [2022-11-25 23:29:03,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:04,151 INFO L225 Difference]: With dead ends: 31038 [2022-11-25 23:29:04,152 INFO L226 Difference]: Without dead ends: 31036 [2022-11-25 23:29:04,174 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 [2022-11-25 23:29:04,175 INFO L413 NwaCegarLoop]: 3163 mSDtfsCounter, 1941 mSDsluCounter, 8796 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 11959 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:04,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 11959 Invalid, 1744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1741 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-25 23:29:04,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31036 states. [2022-11-25 23:29:06,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31036 to 31026. [2022-11-25 23:29:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31026 states, 17599 states have (on average 1.2586510597193021) internal successors, (22151), 18445 states have internal predecessors, (22151), 10611 states have call successors, (10611), 2833 states have call predecessors, (10611), 2813 states have return successors, (10607), 10210 states have call predecessors, (10607), 10603 states have call successors, (10607) [2022-11-25 23:29:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31026 states to 31026 states and 43369 transitions. [2022-11-25 23:29:06,873 INFO L78 Accepts]: Start accepts. Automaton has 31026 states and 43369 transitions. Word has length 257 [2022-11-25 23:29:06,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:06,874 INFO L495 AbstractCegarLoop]: Abstraction has 31026 states and 43369 transitions. [2022-11-25 23:29:06,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 23:29:06,874 INFO L276 IsEmpty]: Start isEmpty. Operand 31026 states and 43369 transitions. [2022-11-25 23:29:06,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-25 23:29:06,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:06,882 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 5, 5, 4, 3, 3, 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] [2022-11-25 23:29:06,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:29:06,883 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)] === [2022-11-25 23:29:06,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:06,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2085145624, now seen corresponding path program 1 times [2022-11-25 23:29:06,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:06,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123654865] [2022-11-25 23:29:06,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:06,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1426 trivial. 0 not checked. [2022-11-25 23:29:07,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:07,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123654865] [2022-11-25 23:29:07,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123654865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:29:07,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:29:07,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:29:07,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225494433] [2022-11-25 23:29:07,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:29:07,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:29:07,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:07,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:29:07,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:29:07,499 INFO L87 Difference]: Start difference. First operand 31026 states and 43369 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 23:29:10,802 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 [] [2022-11-25 23:29:15,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:15,437 INFO L93 Difference]: Finished difference Result 31042 states and 43381 transitions. [2022-11-25 23:29:15,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:29:15,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 261 [2022-11-25 23:29:15,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:15,638 INFO L225 Difference]: With dead ends: 31042 [2022-11-25 23:29:15,638 INFO L226 Difference]: Without dead ends: 31040 [2022-11-25 23:29:15,657 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 [2022-11-25 23:29:15,660 INFO L413 NwaCegarLoop]: 3163 mSDtfsCounter, 1941 mSDsluCounter, 8796 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 11959 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:15,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1954 Valid, 11959 Invalid, 1744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1741 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-25 23:29:15,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31040 states. [2022-11-25 23:29:17,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31040 to 31030. [2022-11-25 23:29:17,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31030 states, 17602 states have (on average 1.2586069764799455) internal successors, (22154), 18448 states have internal predecessors, (22154), 10611 states have call successors, (10611), 2834 states have call predecessors, (10611), 2814 states have return successors, (10607), 10210 states have call predecessors, (10607), 10603 states have call successors, (10607) [2022-11-25 23:29:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31030 states to 31030 states and 43372 transitions. [2022-11-25 23:29:17,906 INFO L78 Accepts]: Start accepts. Automaton has 31030 states and 43372 transitions. Word has length 261 [2022-11-25 23:29:17,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:17,906 INFO L495 AbstractCegarLoop]: Abstraction has 31030 states and 43372 transitions. [2022-11-25 23:29:17,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 23:29:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 31030 states and 43372 transitions. [2022-11-25 23:29:17,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-25 23:29:17,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:17,911 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:17,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:29:17,911 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)] === [2022-11-25 23:29:17,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:17,912 INFO L85 PathProgramCache]: Analyzing trace with hash -218198757, now seen corresponding path program 1 times [2022-11-25 23:29:17,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:17,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256267474] [2022-11-25 23:29:17,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:17,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2022-11-25 23:29:18,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:18,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256267474] [2022-11-25 23:29:18,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256267474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:29:18,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:29:18,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:29:18,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346434351] [2022-11-25 23:29:18,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:29:18,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:29:18,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:18,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:29:18,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:29:18,470 INFO L87 Difference]: Start difference. First operand 31030 states and 43372 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-11-25 23:29:23,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:23,801 INFO L93 Difference]: Finished difference Result 31040 states and 43381 transitions. [2022-11-25 23:29:23,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:29:23,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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 266 [2022-11-25 23:29:23,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:23,953 INFO L225 Difference]: With dead ends: 31040 [2022-11-25 23:29:23,953 INFO L226 Difference]: Without dead ends: 31038 [2022-11-25 23:29:23,974 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 [2022-11-25 23:29:23,975 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 2882 mSDsluCounter, 5070 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2894 SdHoareTripleChecker+Valid, 7617 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:23,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2894 Valid, 7617 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-25 23:29:24,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31038 states. [2022-11-25 23:29:26,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31038 to 31038. [2022-11-25 23:29:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31038 states, 17608 states have (on average 1.2585188550658792) internal successors, (22160), 18454 states have internal predecessors, (22160), 10611 states have call successors, (10611), 2836 states have call predecessors, (10611), 2816 states have return successors, (10607), 10210 states have call predecessors, (10607), 10603 states have call successors, (10607) [2022-11-25 23:29:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31038 states to 31038 states and 43378 transitions. [2022-11-25 23:29:26,497 INFO L78 Accepts]: Start accepts. Automaton has 31038 states and 43378 transitions. Word has length 266 [2022-11-25 23:29:26,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:26,498 INFO L495 AbstractCegarLoop]: Abstraction has 31038 states and 43378 transitions. [2022-11-25 23:29:26,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-11-25 23:29:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 31038 states and 43378 transitions. [2022-11-25 23:29:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-25 23:29:26,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:26,504 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 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] [2022-11-25 23:29:26,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:29:26,505 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-11-25 23:29:26,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:26,506 INFO L85 PathProgramCache]: Analyzing trace with hash -97832847, now seen corresponding path program 1 times [2022-11-25 23:29:26,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:26,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927276757] [2022-11-25 23:29:26,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:26,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1401 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-11-25 23:29:26,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:26,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927276757] [2022-11-25 23:29:26,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927276757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:29:26,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:29:26,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:29:26,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472266110] [2022-11-25 23:29:26,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:29:26,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:29:26,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:26,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:29:26,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:29:26,809 INFO L87 Difference]: Start difference. First operand 31038 states and 43378 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-25 23:29:33,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:33,298 INFO L93 Difference]: Finished difference Result 74942 states and 104830 transitions. [2022-11-25 23:29:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:29:33,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 263 [2022-11-25 23:29:33,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:33,537 INFO L225 Difference]: With dead ends: 74942 [2022-11-25 23:29:33,538 INFO L226 Difference]: Without dead ends: 44055 [2022-11-25 23:29:33,677 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 [2022-11-25 23:29:33,678 INFO L413 NwaCegarLoop]: 3846 mSDtfsCounter, 2490 mSDsluCounter, 2508 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2490 SdHoareTripleChecker+Valid, 6354 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:33,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2490 Valid, 6354 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-25 23:29:33,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44055 states. [2022-11-25 23:29:36,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44055 to 43949. [2022-11-25 23:29:36,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43949 states, 24993 states have (on average 1.2576321369983596) internal successors, (31432), 26205 states have internal predecessors, (31432), 14950 states have call successors, (14950), 4037 states have call predecessors, (14950), 4003 states have return successors, (14948), 14360 states have call predecessors, (14948), 14942 states have call successors, (14948) [2022-11-25 23:29:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43949 states to 43949 states and 61330 transitions. [2022-11-25 23:29:37,115 INFO L78 Accepts]: Start accepts. Automaton has 43949 states and 61330 transitions. Word has length 263 [2022-11-25 23:29:37,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:37,116 INFO L495 AbstractCegarLoop]: Abstraction has 43949 states and 61330 transitions. [2022-11-25 23:29:37,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-25 23:29:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 43949 states and 61330 transitions. [2022-11-25 23:29:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-25 23:29:37,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:37,124 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:37,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:29:37,125 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)] === [2022-11-25 23:29:37,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:37,125 INFO L85 PathProgramCache]: Analyzing trace with hash 780866440, now seen corresponding path program 1 times [2022-11-25 23:29:37,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:37,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276287688] [2022-11-25 23:29:37,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:37,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1454 trivial. 0 not checked. [2022-11-25 23:29:37,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:37,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276287688] [2022-11-25 23:29:37,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276287688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:29:37,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:29:37,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:29:37,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622449681] [2022-11-25 23:29:37,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:29:37,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:29:37,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:37,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:29:37,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:29:37,863 INFO L87 Difference]: Start difference. First operand 43949 states and 61330 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 23:29:41,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:29:44,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:44,915 INFO L93 Difference]: Finished difference Result 43959 states and 61339 transitions. [2022-11-25 23:29:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:29:44,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 271 [2022-11-25 23:29:44,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:45,071 INFO L225 Difference]: With dead ends: 43959 [2022-11-25 23:29:45,071 INFO L226 Difference]: Without dead ends: 43957 [2022-11-25 23:29:45,087 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 [2022-11-25 23:29:45,087 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 2882 mSDsluCounter, 5070 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 7617 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:45,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2893 Valid, 7617 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 23:29:45,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43957 states. [2022-11-25 23:29:47,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43957 to 43957. [2022-11-25 23:29:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43957 states, 24999 states have (on average 1.2575703028121126) internal successors, (31438), 26211 states have internal predecessors, (31438), 14950 states have call successors, (14950), 4039 states have call predecessors, (14950), 4005 states have return successors, (14948), 14360 states have call predecessors, (14948), 14942 states have call successors, (14948) [2022-11-25 23:29:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43957 states to 43957 states and 61336 transitions. [2022-11-25 23:29:47,938 INFO L78 Accepts]: Start accepts. Automaton has 43957 states and 61336 transitions. Word has length 271 [2022-11-25 23:29:47,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:47,938 INFO L495 AbstractCegarLoop]: Abstraction has 43957 states and 61336 transitions. [2022-11-25 23:29:47,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 23:29:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand 43957 states and 61336 transitions. [2022-11-25 23:29:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-25 23:29:47,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:47,943 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:47,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:29:47,944 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)] === [2022-11-25 23:29:47,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:47,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1698505352, now seen corresponding path program 1 times [2022-11-25 23:29:47,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:47,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513382586] [2022-11-25 23:29:47,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:47,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1479 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2022-11-25 23:29:48,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:48,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513382586] [2022-11-25 23:29:48,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513382586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:29:48,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:29:48,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:29:48,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037025162] [2022-11-25 23:29:48,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:29:48,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:29:48,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:48,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:29:48,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:29:48,463 INFO L87 Difference]: Start difference. First operand 43957 states and 61336 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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)