./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- 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 18:19:32,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:19:32,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:19:32,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:19:32,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:19:32,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:19:32,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:19:32,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:19:32,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:19:32,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:19:32,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:19:32,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:19:32,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:19:32,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:19:32,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:19:32,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:19:32,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:19:32,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:19:32,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:19:32,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:19:32,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:19:32,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:19:32,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:19:32,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:19:32,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:19:32,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:19:32,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:19:32,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:19:32,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:19:32,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:19:32,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:19:32,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:19:32,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:19:32,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:19:32,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:19:32,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:19:32,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:19:32,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:19:32,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:19:32,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:19:32,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:19:32,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:19:32,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:19:32,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:19:32,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:19:32,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:19:32,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:19:32,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:19:32,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:19:32,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:19:32,360 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:19:32,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:19:32,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:19:32,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:19:32,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:19:32,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:19:32,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:19:32,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:19:32,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:19:32,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:19:32,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:19:32,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:19:32,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:19:32,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:19:32,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:19:32,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:19:32,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:19:32,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:19:32,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:19:32,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:19:32,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:19:32,366 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:19:32,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:19:32,366 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2022-11-25 18:19:32,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:19:32,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:19:32,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:19:32,756 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:19:32,756 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:19:32,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2022-11-25 18:19:35,817 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:19:36,441 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:19:36,442 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2022-11-25 18:19:36,479 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/data/6f42cbce9/a49b2b15b87045e38f2e81d95057379f/FLAG521862050 [2022-11-25 18:19:36,495 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/data/6f42cbce9/a49b2b15b87045e38f2e81d95057379f [2022-11-25 18:19:36,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:19:36,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:19:36,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:19:36,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:19:36,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:19:36,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f49ae8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36, skipping insertion in model container [2022-11-25 18:19:36,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:19:36,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:19:37,547 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:19:37,704 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:19:37,714 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:19:37,714 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 18:19:37,722 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 18:19:37,746 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:19:37,752 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:19:37,755 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:19:37,779 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 18:19:37,826 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:19:37,835 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:19:37,848 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:19:37,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:37,922 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-25 18:19:37,930 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 18:19:37,967 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 18:19:38,023 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 18:19:38,053 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 18:19:38,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,211 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:19:38,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,215 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 18:19:38,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,221 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 18:19:38,222 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:19:38,223 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:19:38,226 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:19:38,227 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:19:38,228 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 18:19:38,231 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:19:38,232 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:19:38,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,241 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 18:19:38,243 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:19:38,244 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,259 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 18:19:38,260 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:19:38,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,263 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,263 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,264 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,264 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,265 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,265 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,266 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,267 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,268 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,269 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,273 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,284 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:19:38,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,288 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,291 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,293 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,294 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,297 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:19:38,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,300 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,302 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,304 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,307 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:38,308 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,310 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,319 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,321 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 18:19:38,321 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 18:19:38,329 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,332 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 18:19:38,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,345 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:19:38,351 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:19:38,383 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:19:38,383 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 18:19:38,384 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:19:38,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,395 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:19:38,396 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:19:38,397 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:19:38,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,440 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:19:38,441 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:38,442 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-25 18:19:38,443 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,443 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-25 18:19:38,444 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:19:38,445 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,446 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:19:38,447 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 18:19:38,448 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 18:19:38,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,452 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:19:38,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,455 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 18:19:38,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,473 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 18:19:38,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,477 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:19:38,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,480 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,480 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:38,481 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,482 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:19:38,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,483 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:19:38,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,488 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,489 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,494 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,494 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,495 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,495 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,497 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 18:19:38,501 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 18:19:38,504 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,511 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,518 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,519 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,520 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,520 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,521 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,521 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,522 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,523 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,523 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,523 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,524 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:38,525 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,525 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,526 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,526 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,541 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,543 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 18:19:38,547 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 18:19:38,550 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,550 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,550 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,551 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,551 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,552 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,553 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,553 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,553 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:38,554 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,554 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:38,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,580 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 18:19:38,581 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,582 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:38,582 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:38,589 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 18:19:38,589 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 18:19:38,590 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 18:19:38,594 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 18:19:38,595 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 18:19:38,596 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 18:19:38,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:38,883 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 18:19:38,884 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 18:19:38,887 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 18:19:38,888 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 18:19:38,893 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:19:38,901 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:19:38,902 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:19:38,925 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 18:19:38,926 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 18:19:38,937 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:19:38,938 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:19:38,940 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 18:19:38,941 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 18:19:38,942 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:19:38,943 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 18:19:38,943 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:19:38,945 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:19:38,945 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:19:38,946 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:19:38,947 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:19:38,947 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:19:38,947 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:19:38,948 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 18:19:38,951 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 18:19:39,009 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 18:19:39,010 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:19:39,018 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:19:39,529 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_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2022-11-25 18:19:39,534 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_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2022-11-25 18:19:39,535 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_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2022-11-25 18:19:39,536 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_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2022-11-25 18:19:39,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:19:39,620 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:19:39,746 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:19:39,753 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:19:39,754 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:19:39,754 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 18:19:39,755 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 18:19:39,758 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:19:39,759 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:19:39,759 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:19:39,761 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 18:19:39,763 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:19:39,763 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:19:39,764 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:19:39,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,766 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-25 18:19:39,772 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 18:19:39,774 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 18:19:39,776 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 18:19:39,777 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 18:19:39,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,785 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:19:39,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,786 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,788 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 18:19:39,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,792 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 18:19:39,793 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:19:39,793 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:19:39,796 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:19:39,797 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:19:39,797 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 18:19:39,798 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:19:39,798 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:19:39,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,799 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 18:19:39,800 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:19:39,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,803 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 18:19:39,805 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:19:39,806 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,807 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,807 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,807 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,807 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,809 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,809 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,809 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,810 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,811 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,811 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,816 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:19:39,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,816 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,817 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,826 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,827 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,828 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:19:39,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,829 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,829 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,830 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:39,831 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,832 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,834 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,835 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 18:19:39,835 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 18:19:39,838 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,839 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 18:19:39,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,844 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:19:39,845 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:19:39,847 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:19:39,848 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 18:19:39,849 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:19:39,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,854 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,855 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:19:39,862 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:19:39,863 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:19:39,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,866 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:19:39,868 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:39,868 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-25 18:19:39,869 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,869 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-25 18:19:39,869 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:19:39,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,870 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:19:39,871 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 18:19:39,871 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 18:19:39,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,873 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,873 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:19:39,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,875 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 18:19:39,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,878 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 18:19:39,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,882 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:19:39,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,884 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,884 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:39,884 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,885 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:19:39,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,886 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:19:39,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,889 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,890 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,892 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,895 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,895 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,895 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,897 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 18:19:39,904 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 18:19:39,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,909 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,912 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,912 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,913 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,913 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,913 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,913 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,914 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,914 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,914 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,915 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,915 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:39,916 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,916 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,916 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,916 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,928 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,929 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 18:19:39,932 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 18:19:39,935 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,936 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,936 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,936 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,936 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,936 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,937 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,937 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,937 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:39,938 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,938 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:19:39,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,990 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 18:19:39,992 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,992 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:19:39,992 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:19:39,993 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 18:19:39,994 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 18:19:39,994 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 18:19:39,995 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 18:19:39,995 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 18:19:39,996 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 18:19:39,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:39,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:19:40,005 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 18:19:40,006 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 18:19:40,007 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 18:19:40,007 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 18:19:40,009 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:19:40,011 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:19:40,011 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:19:40,019 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 18:19:40,022 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 18:19:40,031 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:19:40,032 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:19:40,039 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 18:19:40,040 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 18:19:40,040 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:19:40,040 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 18:19:40,041 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:19:40,042 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:19:40,042 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:19:40,043 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:19:40,043 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:19:40,043 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:19:40,044 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:19:40,044 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 18:19:40,044 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 18:19:40,049 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 18:19:40,050 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:19:40,050 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:19:40,074 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_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2022-11-25 18:19:40,075 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_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2022-11-25 18:19:40,075 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_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2022-11-25 18:19:40,076 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_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2022-11-25 18:19:40,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:19:40,236 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:19:40,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40 WrapperNode [2022-11-25 18:19:40,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:19:40,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:19:40,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:19:40,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:19:40,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,616 INFO L138 Inliner]: procedures = 422, calls = 1985, calls flagged for inlining = 201, calls inlined = 184, statements flattened = 4985 [2022-11-25 18:19:40,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:19:40,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:19:40,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:19:40,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:19:40,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:19:40,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:19:40,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:19:40,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:19:40,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (1/1) ... [2022-11-25 18:19:40,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:19:40,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:19:40,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:19:40,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fd91f-823d-4386-9ecf-6a3c5c75be13/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:19:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 18:19:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 18:19:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 18:19:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 18:19:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-25 18:19:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-25 18:19:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2022-11-25 18:19:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2022-11-25 18:19:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 18:19:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 18:19:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:19:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:19:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2022-11-25 18:19:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2022-11-25 18:19:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 18:19:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 18:19:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 18:19:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 18:19:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2022-11-25 18:19:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2022-11-25 18:19:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 18:19:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 18:19:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-25 18:19:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-25 18:19:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-25 18:19:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-25 18:19:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-11-25 18:19:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-11-25 18:19:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-25 18:19:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-25 18:19:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 18:19:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 18:19:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2022-11-25 18:19:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2022-11-25 18:19:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-11-25 18:19:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-11-25 18:19:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 18:19:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 18:19:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 18:19:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 18:19:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 18:19:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 18:19:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-25 18:19:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-25 18:19:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 18:19:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 18:19:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 18:19:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 18:19:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-11-25 18:19:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-11-25 18:19:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:19:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2022-11-25 18:19:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2022-11-25 18:19:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 18:19:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 18:19:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 18:19:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 18:19:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 18:19:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-25 18:19:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-25 18:19:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:19:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 18:19:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 18:19:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2022-11-25 18:19:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2022-11-25 18:19:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2022-11-25 18:19:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2022-11-25 18:19:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:19:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2022-11-25 18:19:40,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2022-11-25 18:19:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 18:19:40,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 18:19:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 18:19:40,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 18:19:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 18:19:40,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 18:19:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 18:19:40,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 18:19:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2022-11-25 18:19:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2022-11-25 18:19:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 18:19:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 18:19:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2022-11-25 18:19:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2022-11-25 18:19:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 18:19:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 18:19:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2022-11-25 18:19:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2022-11-25 18:19:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:19:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 18:19:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 18:19:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 18:19:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 18:19:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:19:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-11-25 18:19:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-11-25 18:19:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 18:19:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 18:19:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 18:19:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 18:19:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:19:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-25 18:19:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-25 18:19:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:19:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:19:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-25 18:19:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-25 18:19:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2022-11-25 18:19:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2022-11-25 18:19:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 18:19:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 18:19:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 18:19:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 18:19:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 18:19:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 18:19:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 18:19:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 18:19:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2022-11-25 18:19:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2022-11-25 18:19:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:19:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:19:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:19:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:19:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:19:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:19:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 18:19:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 18:19:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 18:19:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 18:19:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2022-11-25 18:19:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2022-11-25 18:19:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 18:19:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 18:19:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 18:19:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 18:19:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-11-25 18:19:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-11-25 18:19:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 18:19:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 18:19:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-25 18:19:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-25 18:19:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-11-25 18:19:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-11-25 18:19:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 18:19:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 18:19:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:19:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:19:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 18:19:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 18:19:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-25 18:19:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-25 18:19:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:19:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2022-11-25 18:19:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2022-11-25 18:19:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 18:19:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 18:19:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 18:19:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 18:19:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-25 18:19:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-25 18:19:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 18:19:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 18:19:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-11-25 18:19:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-11-25 18:19:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:19:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 18:19:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 18:19:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-11-25 18:19:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-11-25 18:19:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2022-11-25 18:19:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2022-11-25 18:19:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-25 18:19:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-25 18:19:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 18:19:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 18:19:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 18:19:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 18:19:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-25 18:19:40,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-25 18:19:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:19:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 18:19:40,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 18:19:41,799 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:19:41,802 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:19:42,167 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:19:45,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 18:19:45,524 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:19:45,540 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:19:45,540 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:19:45,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:19:45 BoogieIcfgContainer [2022-11-25 18:19:45,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:19:45,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:19:45,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:19:45,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:19:45,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:19:36" (1/3) ... [2022-11-25 18:19:45,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0b9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:19:45, skipping insertion in model container [2022-11-25 18:19:45,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:40" (2/3) ... [2022-11-25 18:19:45,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0b9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:19:45, skipping insertion in model container [2022-11-25 18:19:45,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:19:45" (3/3) ... [2022-11-25 18:19:45,554 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2022-11-25 18:19:45,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:19:45,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 18:19:45,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:19:45,659 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=PETRI_NET, 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;@755749b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:19:45,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 18:19:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 1688 states, 1183 states have (on average 1.300929839391378) internal successors, (1539), 1206 states have internal predecessors, (1539), 420 states have call successors, (420), 83 states have call predecessors, (420), 82 states have return successors, (414), 405 states have call predecessors, (414), 414 states have call successors, (414) [2022-11-25 18:19:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 18:19:45,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:19:45,687 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:45,688 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 18:19:45,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:19:45,693 INFO L85 PathProgramCache]: Analyzing trace with hash 641074903, now seen corresponding path program 1 times [2022-11-25 18:19:45,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:19:45,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512502529] [2022-11-25 18:19:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:45,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:19:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:19:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:19:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:19:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:19:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:19:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:19:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:19:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:19:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:19:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-25 18:19:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 18:19:46,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:19:46,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512502529] [2022-11-25 18:19:46,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512502529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:19:46,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:19:46,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:19:46,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882915749] [2022-11-25 18:19:46,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:19:46,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:19:46,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:19:46,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:19:46,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:19:46,717 INFO L87 Difference]: Start difference. First operand has 1688 states, 1183 states have (on average 1.300929839391378) internal successors, (1539), 1206 states have internal predecessors, (1539), 420 states have call successors, (420), 83 states have call predecessors, (420), 82 states have return successors, (414), 405 states have call predecessors, (414), 414 states have call successors, (414) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 18:19:52,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:19:52,638 INFO L93 Difference]: Finished difference Result 5207 states and 7496 transitions. [2022-11-25 18:19:52,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:19:52,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2022-11-25 18:19:52,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:19:52,681 INFO L225 Difference]: With dead ends: 5207 [2022-11-25 18:19:52,681 INFO L226 Difference]: Without dead ends: 3530 [2022-11-25 18:19:52,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:19:52,698 INFO L413 NwaCegarLoop]: 1927 mSDtfsCounter, 3550 mSDsluCounter, 2291 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 1291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3940 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 3632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1291 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:19:52,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3940 Valid, 4218 Invalid, 3632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1291 Valid, 2341 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 18:19:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3530 states. [2022-11-25 18:19:53,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3530 to 3228. [2022-11-25 18:19:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3228 states, 2278 states have (on average 1.2928007023705004) internal successors, (2945), 2323 states have internal predecessors, (2945), 787 states have call successors, (787), 161 states have call predecessors, (787), 160 states have return successors, (783), 765 states have call predecessors, (783), 783 states have call successors, (783) [2022-11-25 18:19:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3228 states to 3228 states and 4515 transitions. [2022-11-25 18:19:53,057 INFO L78 Accepts]: Start accepts. Automaton has 3228 states and 4515 transitions. Word has length 116 [2022-11-25 18:19:53,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:19:53,058 INFO L495 AbstractCegarLoop]: Abstraction has 3228 states and 4515 transitions. [2022-11-25 18:19:53,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 18:19:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3228 states and 4515 transitions. [2022-11-25 18:19:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-25 18:19:53,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:19:53,071 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:53,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:19:53,072 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 18:19:53,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:19:53,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1618988485, now seen corresponding path program 1 times [2022-11-25 18:19:53,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:19:53,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567179593] [2022-11-25 18:19:53,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:53,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:19:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:19:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:19:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:19:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:19:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:19:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:19:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:19:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:19:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:19:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:19:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:19:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 18:19:53,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:19:53,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567179593] [2022-11-25 18:19:53,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567179593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:19:53,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:19:53,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:19:53,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522174441] [2022-11-25 18:19:53,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:19:53,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:19:53,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:19:53,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:19:53,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:19:53,470 INFO L87 Difference]: Start difference. First operand 3228 states and 4515 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:19:59,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:19:59,081 INFO L93 Difference]: Finished difference Result 10140 states and 14299 transitions. [2022-11-25 18:19:59,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:19:59,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2022-11-25 18:19:59,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:19:59,137 INFO L225 Difference]: With dead ends: 10140 [2022-11-25 18:19:59,137 INFO L226 Difference]: Without dead ends: 6933 [2022-11-25 18:19:59,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:19:59,159 INFO L413 NwaCegarLoop]: 1941 mSDtfsCounter, 3554 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 1344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3936 SdHoareTripleChecker+Valid, 4294 SdHoareTripleChecker+Invalid, 3630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1344 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:19:59,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3936 Valid, 4294 Invalid, 3630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1344 Valid, 2286 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-25 18:19:59,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6933 states. [2022-11-25 18:19:59,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6933 to 6581. [2022-11-25 18:19:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6581 states, 4675 states have (on average 1.2983957219251336) internal successors, (6070), 4781 states have internal predecessors, (6070), 1570 states have call successors, (1570), 320 states have call predecessors, (1570), 333 states have return successors, (1616), 1527 states have call predecessors, (1616), 1566 states have call successors, (1616) [2022-11-25 18:19:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6581 states to 6581 states and 9256 transitions. [2022-11-25 18:19:59,607 INFO L78 Accepts]: Start accepts. Automaton has 6581 states and 9256 transitions. Word has length 122 [2022-11-25 18:19:59,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:19:59,608 INFO L495 AbstractCegarLoop]: Abstraction has 6581 states and 9256 transitions. [2022-11-25 18:19:59,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:19:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 6581 states and 9256 transitions. [2022-11-25 18:19:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-25 18:19:59,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:19:59,618 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:59,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:19:59,619 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 18:19:59,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:19:59,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1844032429, now seen corresponding path program 1 times [2022-11-25 18:19:59,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:19:59,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734006372] [2022-11-25 18:19:59,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:59,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:19:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:19:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:19:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:20:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:20:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:20:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:20:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:20:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:20:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:20:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 18:20:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:20:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:00,116 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 18:20:00,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:00,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734006372] [2022-11-25 18:20:00,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734006372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:00,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:00,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:20:00,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683900380] [2022-11-25 18:20:00,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:00,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:20:00,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:00,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:20:00,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:20:00,124 INFO L87 Difference]: Start difference. First operand 6581 states and 9256 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:20:05,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:05,467 INFO L93 Difference]: Finished difference Result 19421 states and 27354 transitions. [2022-11-25 18:20:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:20:05,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2022-11-25 18:20:05,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:20:05,554 INFO L225 Difference]: With dead ends: 19421 [2022-11-25 18:20:05,555 INFO L226 Difference]: Without dead ends: 12861 [2022-11-25 18:20:05,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:20:05,589 INFO L413 NwaCegarLoop]: 1914 mSDtfsCounter, 3246 mSDsluCounter, 2364 mSDsCounter, 0 mSdLazyCounter, 2295 mSolverCounterSat, 1268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3580 SdHoareTripleChecker+Valid, 4278 SdHoareTripleChecker+Invalid, 3563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1268 IncrementalHoareTripleChecker+Valid, 2295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:20:05,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3580 Valid, 4278 Invalid, 3563 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1268 Valid, 2295 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-25 18:20:05,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12861 states. [2022-11-25 18:20:06,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12861 to 11921. [2022-11-25 18:20:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11921 states, 8459 states have (on average 1.2930606454663671) internal successors, (10938), 8653 states have internal predecessors, (10938), 2832 states have call successors, (2832), 618 states have call predecessors, (2832), 627 states have return successors, (2894), 2737 states have call predecessors, (2894), 2828 states have call successors, (2894) [2022-11-25 18:20:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11921 states to 11921 states and 16664 transitions. [2022-11-25 18:20:06,445 INFO L78 Accepts]: Start accepts. Automaton has 11921 states and 16664 transitions. Word has length 122 [2022-11-25 18:20:06,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:20:06,448 INFO L495 AbstractCegarLoop]: Abstraction has 11921 states and 16664 transitions. [2022-11-25 18:20:06,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:20:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 11921 states and 16664 transitions. [2022-11-25 18:20:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-25 18:20:06,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:20:06,453 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:06,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:20:06,454 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 18:20:06,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:06,455 INFO L85 PathProgramCache]: Analyzing trace with hash 834240199, now seen corresponding path program 1 times [2022-11-25 18:20:06,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:06,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477862259] [2022-11-25 18:20:06,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:06,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:20:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:20:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:20:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:20:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:20:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:20:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:20:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:07,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:20:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:07,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:20:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 18:20:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:07,065 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 18:20:07,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:07,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477862259] [2022-11-25 18:20:07,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477862259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:07,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:07,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:20:07,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452348607] [2022-11-25 18:20:07,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:07,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:20:07,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:07,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:20:07,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:20:07,068 INFO L87 Difference]: Start difference. First operand 11921 states and 16664 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 18:20:12,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:12,011 INFO L93 Difference]: Finished difference Result 24545 states and 34462 transitions. [2022-11-25 18:20:12,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:20:12,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2022-11-25 18:20:12,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:20:12,092 INFO L225 Difference]: With dead ends: 24545 [2022-11-25 18:20:12,093 INFO L226 Difference]: Without dead ends: 12645 [2022-11-25 18:20:12,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:20:12,149 INFO L413 NwaCegarLoop]: 2149 mSDtfsCounter, 2673 mSDsluCounter, 2319 mSDsCounter, 0 mSdLazyCounter, 2304 mSolverCounterSat, 1051 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2983 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 3355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1051 IncrementalHoareTripleChecker+Valid, 2304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:20:12,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2983 Valid, 4468 Invalid, 3355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1051 Valid, 2304 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 18:20:12,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12645 states. [2022-11-25 18:20:12,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12645 to 11341. [2022-11-25 18:20:12,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11341 states, 8157 states have (on average 1.2987617996812553) internal successors, (10594), 8346 states have internal predecessors, (10594), 2558 states have call successors, (2558), 623 states have call predecessors, (2558), 623 states have return successors, (2587), 2454 states have call predecessors, (2587), 2554 states have call successors, (2587) [2022-11-25 18:20:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11341 states to 11341 states and 15739 transitions. [2022-11-25 18:20:12,889 INFO L78 Accepts]: Start accepts. Automaton has 11341 states and 15739 transitions. Word has length 126 [2022-11-25 18:20:12,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:20:12,891 INFO L495 AbstractCegarLoop]: Abstraction has 11341 states and 15739 transitions. [2022-11-25 18:20:12,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 18:20:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 11341 states and 15739 transitions. [2022-11-25 18:20:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-25 18:20:12,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:20:12,894 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:12,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:20:12,895 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 18:20:12,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:12,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1099071133, now seen corresponding path program 1 times [2022-11-25 18:20:12,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:12,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744750704] [2022-11-25 18:20:12,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:12,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:20:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:20:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:20:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:20:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:20:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:20:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:20:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:20:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:20:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 18:20:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 18:20:13,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:13,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744750704] [2022-11-25 18:20:13,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744750704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:13,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:13,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:20:13,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503248374] [2022-11-25 18:20:13,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:13,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:20:13,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:13,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:20:13,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:20:13,273 INFO L87 Difference]: Start difference. First operand 11341 states and 15739 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 18:20:18,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:18,664 INFO L93 Difference]: Finished difference Result 31636 states and 44225 transitions. [2022-11-25 18:20:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:20:18,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2022-11-25 18:20:18,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:20:18,774 INFO L225 Difference]: With dead ends: 31636 [2022-11-25 18:20:18,775 INFO L226 Difference]: Without dead ends: 20316 [2022-11-25 18:20:18,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:20:18,821 INFO L413 NwaCegarLoop]: 1920 mSDtfsCounter, 3395 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 2314 mSolverCounterSat, 1316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3759 SdHoareTripleChecker+Valid, 4253 SdHoareTripleChecker+Invalid, 3630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1316 IncrementalHoareTripleChecker+Valid, 2314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:20:18,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3759 Valid, 4253 Invalid, 3630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1316 Valid, 2314 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 18:20:18,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20316 states. [2022-11-25 18:20:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20316 to 18373. [2022-11-25 18:20:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18373 states, 13156 states have (on average 1.2972788081483733) internal successors, (17067), 13455 states have internal predecessors, (17067), 4190 states have call successors, (4190), 1031 states have call predecessors, (4190), 1024 states have return successors, (4233), 4002 states have call predecessors, (4233), 4186 states have call successors, (4233) [2022-11-25 18:20:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18373 states to 18373 states and 25490 transitions. [2022-11-25 18:20:20,010 INFO L78 Accepts]: Start accepts. Automaton has 18373 states and 25490 transitions. Word has length 128 [2022-11-25 18:20:20,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:20:20,010 INFO L495 AbstractCegarLoop]: Abstraction has 18373 states and 25490 transitions. [2022-11-25 18:20:20,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 18:20:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 18373 states and 25490 transitions. [2022-11-25 18:20:20,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-25 18:20:20,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:20:20,013 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 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] [2022-11-25 18:20:20,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:20:20,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:20:20,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:20,015 INFO L85 PathProgramCache]: Analyzing trace with hash 174592090, now seen corresponding path program 1 times [2022-11-25 18:20:20,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:20,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149878804] [2022-11-25 18:20:20,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:20,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:20:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:20:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:20:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:20:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:20:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:20:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:20:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:20:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:20:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:20:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 18:20:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 18:20:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:20:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-11-25 18:20:20,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:20,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149878804] [2022-11-25 18:20:20,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149878804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:20,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:20,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:20:20,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145238706] [2022-11-25 18:20:20,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:20,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:20:20,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:20,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:20:20,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:20:20,379 INFO L87 Difference]: Start difference. First operand 18373 states and 25490 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 18:20:26,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:26,734 INFO L93 Difference]: Finished difference Result 57173 states and 79933 transitions. [2022-11-25 18:20:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:20:26,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2022-11-25 18:20:26,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:20:26,917 INFO L225 Difference]: With dead ends: 57173 [2022-11-25 18:20:26,918 INFO L226 Difference]: Without dead ends: 38821 [2022-11-25 18:20:26,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:20:26,988 INFO L413 NwaCegarLoop]: 2181 mSDtfsCounter, 3528 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3927 SdHoareTripleChecker+Valid, 4712 SdHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:20:26,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3927 Valid, 4712 Invalid, 3687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1274 Valid, 2413 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 18:20:27,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38821 states. [2022-11-25 18:20:29,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38821 to 35009. [2022-11-25 18:20:29,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35009 states, 25036 states have (on average 1.2975714970442562) internal successors, (32486), 25640 states have internal predecessors, (32486), 8009 states have call successors, (8009), 1974 states have call predecessors, (8009), 1961 states have return successors, (8099), 7618 states have call predecessors, (8099), 8005 states have call successors, (8099) [2022-11-25 18:20:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35009 states to 35009 states and 48594 transitions. [2022-11-25 18:20:29,208 INFO L78 Accepts]: Start accepts. Automaton has 35009 states and 48594 transitions. Word has length 145 [2022-11-25 18:20:29,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:20:29,209 INFO L495 AbstractCegarLoop]: Abstraction has 35009 states and 48594 transitions. [2022-11-25 18:20:29,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 18:20:29,209 INFO L276 IsEmpty]: Start isEmpty. Operand 35009 states and 48594 transitions. [2022-11-25 18:20:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 18:20:29,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:20:29,213 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 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] [2022-11-25 18:20:29,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:20:29,214 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 18:20:29,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:29,214 INFO L85 PathProgramCache]: Analyzing trace with hash -778760303, now seen corresponding path program 1 times [2022-11-25 18:20:29,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:29,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350456302] [2022-11-25 18:20:29,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:29,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:20:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:20:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:20:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:20:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:20:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:20:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:20:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:20:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:20:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:20:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:20:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:20:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 18:20:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:20:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:20:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:20:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-25 18:20:29,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:29,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350456302] [2022-11-25 18:20:29,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350456302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:29,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:29,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:20:29,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828334145] [2022-11-25 18:20:29,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:29,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:20:29,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:29,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:20:29,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:20:29,628 INFO L87 Difference]: Start difference. First operand 35009 states and 48594 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 18:20:37,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:37,826 INFO L93 Difference]: Finished difference Result 112381 states and 159162 transitions. [2022-11-25 18:20:37,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:20:37,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 183 [2022-11-25 18:20:37,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:20:38,412 INFO L225 Difference]: With dead ends: 112381 [2022-11-25 18:20:38,412 INFO L226 Difference]: Without dead ends: 77449 [2022-11-25 18:20:38,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:20:38,653 INFO L413 NwaCegarLoop]: 2877 mSDtfsCounter, 3083 mSDsluCounter, 2795 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 1156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 5672 SdHoareTripleChecker+Invalid, 3880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1156 IncrementalHoareTripleChecker+Valid, 2724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:20:38,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3483 Valid, 5672 Invalid, 3880 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1156 Valid, 2724 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-25 18:20:38,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77449 states. [2022-11-25 18:20:42,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77449 to 69915. [2022-11-25 18:20:42,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69915 states, 49998 states have (on average 1.2856914276571063) internal successors, (64282), 51204 states have internal predecessors, (64282), 15993 states have call successors, (15993), 3946 states have call predecessors, (15993), 3921 states have return successors, (16811), 15212 states have call predecessors, (16811), 15989 states have call successors, (16811) [2022-11-25 18:20:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69915 states to 69915 states and 97086 transitions. [2022-11-25 18:20:43,260 INFO L78 Accepts]: Start accepts. Automaton has 69915 states and 97086 transitions. Word has length 183 [2022-11-25 18:20:43,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:20:43,260 INFO L495 AbstractCegarLoop]: Abstraction has 69915 states and 97086 transitions. [2022-11-25 18:20:43,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 18:20:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 69915 states and 97086 transitions. [2022-11-25 18:20:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 18:20:43,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:20:43,265 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 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] [2022-11-25 18:20:43,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:20:43,265 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 18:20:43,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:43,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1129697487, now seen corresponding path program 1 times [2022-11-25 18:20:43,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:43,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969107240] [2022-11-25 18:20:43,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:43,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:20:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:20:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:20:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:20:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:20:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:20:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:20:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:20:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:20:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:20:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:20:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:20:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 18:20:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:20:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:20:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:20:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-25 18:20:43,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:43,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969107240] [2022-11-25 18:20:43,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969107240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:43,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:43,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:20:43,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90088736] [2022-11-25 18:20:43,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:43,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:20:43,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:43,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:20:43,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:20:43,879 INFO L87 Difference]: Start difference. First operand 69915 states and 97086 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 18:20:48,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:48,657 INFO L93 Difference]: Finished difference Result 108601 states and 150687 transitions. [2022-11-25 18:20:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:20:48,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 183 [2022-11-25 18:20:48,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:20:48,906 INFO L225 Difference]: With dead ends: 108601 [2022-11-25 18:20:48,906 INFO L226 Difference]: Without dead ends: 38763 [2022-11-25 18:20:49,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:20:49,153 INFO L413 NwaCegarLoop]: 1661 mSDtfsCounter, 2682 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 993 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 2511 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:20:49,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2905 Valid, 2511 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [993 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 18:20:49,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38763 states. [2022-11-25 18:20:51,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38763 to 35009. [2022-11-25 18:20:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35009 states, 25036 states have (on average 1.2719284230707781) internal successors, (31844), 25640 states have internal predecessors, (31844), 8009 states have call successors, (8009), 1974 states have call predecessors, (8009), 1961 states have return successors, (8099), 7618 states have call predecessors, (8099), 8005 states have call successors, (8099) [2022-11-25 18:20:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35009 states to 35009 states and 47952 transitions. [2022-11-25 18:20:51,280 INFO L78 Accepts]: Start accepts. Automaton has 35009 states and 47952 transitions. Word has length 183 [2022-11-25 18:20:51,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:20:51,280 INFO L495 AbstractCegarLoop]: Abstraction has 35009 states and 47952 transitions. [2022-11-25 18:20:51,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 18:20:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 35009 states and 47952 transitions. [2022-11-25 18:20:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 18:20:51,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:20:51,284 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 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] [2022-11-25 18:20:51,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:20:51,284 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 18:20:51,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:51,285 INFO L85 PathProgramCache]: Analyzing trace with hash 637071313, now seen corresponding path program 1 times [2022-11-25 18:20:51,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:51,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822987978] [2022-11-25 18:20:51,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:51,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:20:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:20:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:20:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:20:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:20:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:20:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:20:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:20:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:20:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:20:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:20:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:20:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 18:20:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:20:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:20:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:20:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-25 18:20:51,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:51,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822987978] [2022-11-25 18:20:51,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822987978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:51,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:51,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:20:51,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292469150] [2022-11-25 18:20:51,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:51,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:20:51,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:51,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:20:51,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:20:51,609 INFO L87 Difference]: Start difference. First operand 35009 states and 47952 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 18:20:59,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:59,902 INFO L93 Difference]: Finished difference Result 109943 states and 151657 transitions. [2022-11-25 18:20:59,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:20:59,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 183 [2022-11-25 18:20:59,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:21:00,310 INFO L225 Difference]: With dead ends: 109943 [2022-11-25 18:21:00,310 INFO L226 Difference]: Without dead ends: 75011 [2022-11-25 18:21:00,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:21:00,430 INFO L413 NwaCegarLoop]: 2275 mSDtfsCounter, 3304 mSDsluCounter, 2587 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 1174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3688 SdHoareTripleChecker+Valid, 4862 SdHoareTripleChecker+Invalid, 3610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1174 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:21:00,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3688 Valid, 4862 Invalid, 3610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1174 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 18:21:00,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75011 states. [2022-11-25 18:21:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75011 to 67499. [2022-11-25 18:21:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67499 states, 48270 states have (on average 1.2680339755541745) internal successors, (61208), 49332 states have internal predecessors, (61208), 15417 states have call successors, (15417), 3818 states have call predecessors, (15417), 3809 states have return successors, (15601), 14796 states have call predecessors, (15601), 15413 states have call successors, (15601) [2022-11-25 18:21:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67499 states to 67499 states and 92226 transitions. [2022-11-25 18:21:04,204 INFO L78 Accepts]: Start accepts. Automaton has 67499 states and 92226 transitions. Word has length 183 [2022-11-25 18:21:04,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:21:04,205 INFO L495 AbstractCegarLoop]: Abstraction has 67499 states and 92226 transitions. [2022-11-25 18:21:04,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 18:21:04,205 INFO L276 IsEmpty]: Start isEmpty. Operand 67499 states and 92226 transitions. [2022-11-25 18:21:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 18:21:04,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:21:04,210 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 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] [2022-11-25 18:21:04,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:21:04,210 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 18:21:04,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:21:04,211 INFO L85 PathProgramCache]: Analyzing trace with hash 777619923, now seen corresponding path program 1 times [2022-11-25 18:21:04,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:21:04,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247150181] [2022-11-25 18:21:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:21:04,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:21:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:21:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:21:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:21:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:21:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:21:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:21:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:21:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:21:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:21:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:21:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:21:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:21:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:21:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:21:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:21:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:21:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 18:21:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:21:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:21:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:21:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 18:21:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:21:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:05,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:21:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:21:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:21:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-11-25 18:21:05,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:21:05,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247150181] [2022-11-25 18:21:05,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247150181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:21:05,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:21:05,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:21:05,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060747081] [2022-11-25 18:21:05,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:21:05,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:21:05,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:21:05,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:21:05,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:21:05,072 INFO L87 Difference]: Start difference. First operand 67499 states and 92226 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:21:12,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:21:12,780 INFO L93 Difference]: Finished difference Result 75013 states and 103639 transitions. [2022-11-25 18:21:12,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:21:12,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 183 [2022-11-25 18:21:12,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:21:13,085 INFO L225 Difference]: With dead ends: 75013 [2022-11-25 18:21:13,085 INFO L226 Difference]: Without dead ends: 75011 [2022-11-25 18:21:13,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:21:13,114 INFO L413 NwaCegarLoop]: 1667 mSDtfsCounter, 2667 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 2769 mSolverCounterSat, 994 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2882 SdHoareTripleChecker+Valid, 5429 SdHoareTripleChecker+Invalid, 3763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 994 IncrementalHoareTripleChecker+Valid, 2769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:21:13,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2882 Valid, 5429 Invalid, 3763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [994 Valid, 2769 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-25 18:21:13,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75011 states.